Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_mp4_module.c @ 8539:913ff20e4c62 quic
Core: fixed errno clobbering in ngx_sendmsg().
This was broken by 2dfd313f22f2.
author | Vladimir Homutov <vl@nginx.com> |
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date | Tue, 20 Jul 2021 12:04:58 +0300 |
parents | 7a55311b0dc3 |
children | 24f7904dbfa0 |
rev | line source |
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4085 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
4085 | 5 */ |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 | |
11 | |
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12 #define NGX_HTTP_MP4_TRAK_ATOM 0 |
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13 #define NGX_HTTP_MP4_TKHD_ATOM 1 |
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14 #define NGX_HTTP_MP4_MDIA_ATOM 2 |
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15 #define NGX_HTTP_MP4_MDHD_ATOM 3 |
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16 #define NGX_HTTP_MP4_HDLR_ATOM 4 |
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17 #define NGX_HTTP_MP4_MINF_ATOM 5 |
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18 #define NGX_HTTP_MP4_VMHD_ATOM 6 |
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19 #define NGX_HTTP_MP4_SMHD_ATOM 7 |
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20 #define NGX_HTTP_MP4_DINF_ATOM 8 |
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21 #define NGX_HTTP_MP4_STBL_ATOM 9 |
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22 #define NGX_HTTP_MP4_STSD_ATOM 10 |
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23 #define NGX_HTTP_MP4_STTS_ATOM 11 |
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24 #define NGX_HTTP_MP4_STTS_DATA 12 |
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25 #define NGX_HTTP_MP4_STSS_ATOM 13 |
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26 #define NGX_HTTP_MP4_STSS_DATA 14 |
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27 #define NGX_HTTP_MP4_CTTS_ATOM 15 |
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28 #define NGX_HTTP_MP4_CTTS_DATA 16 |
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29 #define NGX_HTTP_MP4_STSC_ATOM 17 |
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30 #define NGX_HTTP_MP4_STSC_START 18 |
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31 #define NGX_HTTP_MP4_STSC_DATA 19 |
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32 #define NGX_HTTP_MP4_STSC_END 20 |
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33 #define NGX_HTTP_MP4_STSZ_ATOM 21 |
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34 #define NGX_HTTP_MP4_STSZ_DATA 22 |
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35 #define NGX_HTTP_MP4_STCO_ATOM 23 |
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36 #define NGX_HTTP_MP4_STCO_DATA 24 |
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37 #define NGX_HTTP_MP4_CO64_ATOM 25 |
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38 #define NGX_HTTP_MP4_CO64_DATA 26 |
4112 | 39 |
40 #define NGX_HTTP_MP4_LAST_ATOM NGX_HTTP_MP4_CO64_DATA | |
4085 | 41 |
42 | |
43 typedef struct { | |
44 size_t buffer_size; | |
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45 size_t max_buffer_size; |
4085 | 46 } ngx_http_mp4_conf_t; |
47 | |
48 | |
49 typedef struct { | |
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50 u_char chunk[4]; |
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51 u_char samples[4]; |
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52 u_char id[4]; |
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53 } ngx_mp4_stsc_entry_t; |
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54 |
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55 |
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56 typedef struct { |
4085 | 57 uint32_t timescale; |
58 uint32_t time_to_sample_entries; | |
59 uint32_t sample_to_chunk_entries; | |
60 uint32_t sync_samples_entries; | |
61 uint32_t composition_offset_entries; | |
62 uint32_t sample_sizes_entries; | |
63 uint32_t chunks; | |
64 | |
65 ngx_uint_t start_sample; | |
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66 ngx_uint_t end_sample; |
4085 | 67 ngx_uint_t start_chunk; |
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68 ngx_uint_t end_chunk; |
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69 ngx_uint_t start_chunk_samples; |
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70 ngx_uint_t end_chunk_samples; |
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71 uint64_t start_chunk_samples_size; |
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72 uint64_t end_chunk_samples_size; |
4085 | 73 off_t start_offset; |
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74 off_t end_offset; |
4085 | 75 |
76 size_t tkhd_size; | |
77 size_t mdhd_size; | |
78 size_t hdlr_size; | |
79 size_t vmhd_size; | |
80 size_t smhd_size; | |
81 size_t dinf_size; | |
82 size_t size; | |
83 | |
84 ngx_chain_t out[NGX_HTTP_MP4_LAST_ATOM + 1]; | |
85 | |
86 ngx_buf_t trak_atom_buf; | |
87 ngx_buf_t tkhd_atom_buf; | |
88 ngx_buf_t mdia_atom_buf; | |
89 ngx_buf_t mdhd_atom_buf; | |
90 ngx_buf_t hdlr_atom_buf; | |
91 ngx_buf_t minf_atom_buf; | |
92 ngx_buf_t vmhd_atom_buf; | |
93 ngx_buf_t smhd_atom_buf; | |
94 ngx_buf_t dinf_atom_buf; | |
95 ngx_buf_t stbl_atom_buf; | |
96 ngx_buf_t stsd_atom_buf; | |
97 ngx_buf_t stts_atom_buf; | |
98 ngx_buf_t stts_data_buf; | |
99 ngx_buf_t stss_atom_buf; | |
100 ngx_buf_t stss_data_buf; | |
101 ngx_buf_t ctts_atom_buf; | |
102 ngx_buf_t ctts_data_buf; | |
103 ngx_buf_t stsc_atom_buf; | |
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104 ngx_buf_t stsc_start_chunk_buf; |
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105 ngx_buf_t stsc_end_chunk_buf; |
4085 | 106 ngx_buf_t stsc_data_buf; |
107 ngx_buf_t stsz_atom_buf; | |
108 ngx_buf_t stsz_data_buf; | |
4107 | 109 ngx_buf_t stco_atom_buf; |
110 ngx_buf_t stco_data_buf; | |
4112 | 111 ngx_buf_t co64_atom_buf; |
112 ngx_buf_t co64_data_buf; | |
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113 |
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114 ngx_mp4_stsc_entry_t stsc_start_chunk_entry; |
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115 ngx_mp4_stsc_entry_t stsc_end_chunk_entry; |
4085 | 116 } ngx_http_mp4_trak_t; |
117 | |
118 | |
119 typedef struct { | |
120 ngx_file_t file; | |
121 | |
122 u_char *buffer; | |
123 u_char *buffer_start; | |
124 u_char *buffer_pos; | |
125 u_char *buffer_end; | |
126 size_t buffer_size; | |
127 | |
128 off_t offset; | |
129 off_t end; | |
130 off_t content_length; | |
131 ngx_uint_t start; | |
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132 ngx_uint_t length; |
4085 | 133 uint32_t timescale; |
134 ngx_http_request_t *request; | |
135 ngx_array_t trak; | |
136 ngx_http_mp4_trak_t traks[2]; | |
137 | |
138 size_t ftyp_size; | |
139 size_t moov_size; | |
140 | |
141 ngx_chain_t *out; | |
142 ngx_chain_t ftyp_atom; | |
143 ngx_chain_t moov_atom; | |
144 ngx_chain_t mvhd_atom; | |
145 ngx_chain_t mdat_atom; | |
146 ngx_chain_t mdat_data; | |
147 | |
148 ngx_buf_t ftyp_atom_buf; | |
149 ngx_buf_t moov_atom_buf; | |
150 ngx_buf_t mvhd_atom_buf; | |
151 ngx_buf_t mdat_atom_buf; | |
152 ngx_buf_t mdat_data_buf; | |
153 | |
154 u_char moov_atom_header[8]; | |
155 u_char mdat_atom_header[16]; | |
156 } ngx_http_mp4_file_t; | |
157 | |
158 | |
159 typedef struct { | |
160 char *name; | |
161 ngx_int_t (*handler)(ngx_http_mp4_file_t *mp4, | |
162 uint64_t atom_data_size); | |
163 } ngx_http_mp4_atom_handler_t; | |
164 | |
165 | |
166 #define ngx_mp4_atom_header(mp4) (mp4->buffer_pos - 8) | |
167 #define ngx_mp4_atom_data(mp4) mp4->buffer_pos | |
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168 #define ngx_mp4_atom_data_size(t) (uint64_t) (sizeof(t) - 8) |
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169 |
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170 |
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171 #define ngx_mp4_atom_next(mp4, n) \ |
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172 \ |
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173 if (n > (size_t) (mp4->buffer_end - mp4->buffer_pos)) { \ |
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174 mp4->buffer_pos = mp4->buffer_end; \ |
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175 \ |
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176 } else { \ |
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177 mp4->buffer_pos += (size_t) n; \ |
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178 } \ |
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179 \ |
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180 mp4->offset += n |
4085 | 181 |
182 | |
183 #define ngx_mp4_set_atom_name(p, n1, n2, n3, n4) \ | |
184 ((u_char *) (p))[4] = n1; \ | |
185 ((u_char *) (p))[5] = n2; \ | |
186 ((u_char *) (p))[6] = n3; \ | |
187 ((u_char *) (p))[7] = n4 | |
188 | |
189 #define ngx_mp4_get_32value(p) \ | |
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190 ( ((uint32_t) ((u_char *) (p))[0] << 24) \ |
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191 + ( ((u_char *) (p))[1] << 16) \ |
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192 + ( ((u_char *) (p))[2] << 8) \ |
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193 + ( ((u_char *) (p))[3]) ) |
4085 | 194 |
195 #define ngx_mp4_set_32value(p, n) \ | |
196 ((u_char *) (p))[0] = (u_char) ((n) >> 24); \ | |
197 ((u_char *) (p))[1] = (u_char) ((n) >> 16); \ | |
198 ((u_char *) (p))[2] = (u_char) ((n) >> 8); \ | |
199 ((u_char *) (p))[3] = (u_char) (n) | |
200 | |
201 #define ngx_mp4_get_64value(p) \ | |
202 ( ((uint64_t) ((u_char *) (p))[0] << 56) \ | |
203 + ((uint64_t) ((u_char *) (p))[1] << 48) \ | |
204 + ((uint64_t) ((u_char *) (p))[2] << 40) \ | |
205 + ((uint64_t) ((u_char *) (p))[3] << 32) \ | |
206 + ((uint64_t) ((u_char *) (p))[4] << 24) \ | |
207 + ( ((u_char *) (p))[5] << 16) \ | |
208 + ( ((u_char *) (p))[6] << 8) \ | |
209 + ( ((u_char *) (p))[7]) ) | |
210 | |
211 #define ngx_mp4_set_64value(p, n) \ | |
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212 ((u_char *) (p))[0] = (u_char) ((uint64_t) (n) >> 56); \ |
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213 ((u_char *) (p))[1] = (u_char) ((uint64_t) (n) >> 48); \ |
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214 ((u_char *) (p))[2] = (u_char) ((uint64_t) (n) >> 40); \ |
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215 ((u_char *) (p))[3] = (u_char) ((uint64_t) (n) >> 32); \ |
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216 ((u_char *) (p))[4] = (u_char) ( (n) >> 24); \ |
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217 ((u_char *) (p))[5] = (u_char) ( (n) >> 16); \ |
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218 ((u_char *) (p))[6] = (u_char) ( (n) >> 8); \ |
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219 ((u_char *) (p))[7] = (u_char) (n) |
4085 | 220 |
221 #define ngx_mp4_last_trak(mp4) \ | |
222 &((ngx_http_mp4_trak_t *) mp4->trak.elts)[mp4->trak.nelts - 1] | |
223 | |
224 | |
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225 static ngx_int_t ngx_http_mp4_handler(ngx_http_request_t *r); |
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226 static ngx_int_t ngx_http_mp4_atofp(u_char *line, size_t n, size_t point); |
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227 |
4085 | 228 static ngx_int_t ngx_http_mp4_process(ngx_http_mp4_file_t *mp4); |
229 static ngx_int_t ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
230 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size); | |
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231 static ngx_int_t ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size); |
4085 | 232 static ngx_int_t ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, |
233 uint64_t atom_data_size); | |
234 static ngx_int_t ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, | |
235 uint64_t atom_data_size); | |
236 static ngx_int_t ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, | |
237 uint64_t atom_data_size); | |
238 static size_t ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, | |
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239 off_t start_offset, off_t end_offset); |
4085 | 240 static ngx_int_t ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, |
241 uint64_t atom_data_size); | |
242 static ngx_int_t ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, | |
243 uint64_t atom_data_size); | |
244 static void ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
245 ngx_http_mp4_trak_t *trak); | |
246 static ngx_int_t ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, | |
247 uint64_t atom_data_size); | |
248 static ngx_int_t ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, | |
249 uint64_t atom_data_size); | |
250 static ngx_int_t ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, | |
251 uint64_t atom_data_size); | |
252 static void ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
253 ngx_http_mp4_trak_t *trak); | |
254 static ngx_int_t ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, | |
255 uint64_t atom_data_size); | |
256 static ngx_int_t ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, | |
257 uint64_t atom_data_size); | |
258 static ngx_int_t ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, | |
259 uint64_t atom_data_size); | |
260 static void ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
261 ngx_http_mp4_trak_t *trak); | |
262 static ngx_int_t ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, | |
263 uint64_t atom_data_size); | |
264 static ngx_int_t ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, | |
265 uint64_t atom_data_size); | |
266 static ngx_int_t ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, | |
267 uint64_t atom_data_size); | |
268 static ngx_int_t ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, | |
269 uint64_t atom_data_size); | |
270 static void ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
271 ngx_http_mp4_trak_t *trak); | |
272 static ngx_int_t ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, | |
273 uint64_t atom_data_size); | |
274 static ngx_int_t ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, | |
275 uint64_t atom_data_size); | |
276 static ngx_int_t ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
277 ngx_http_mp4_trak_t *trak); | |
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278 static ngx_int_t ngx_http_mp4_crop_stts_data(ngx_http_mp4_file_t *mp4, |
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279 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
4085 | 280 static ngx_int_t ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, |
281 uint64_t atom_data_size); | |
282 static ngx_int_t ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
283 ngx_http_mp4_trak_t *trak); | |
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284 static void ngx_http_mp4_crop_stss_data(ngx_http_mp4_file_t *mp4, |
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285 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
4085 | 286 static ngx_int_t ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, |
287 uint64_t atom_data_size); | |
288 static void ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
289 ngx_http_mp4_trak_t *trak); | |
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290 static void ngx_http_mp4_crop_ctts_data(ngx_http_mp4_file_t *mp4, |
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291 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
4085 | 292 static ngx_int_t ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, |
293 uint64_t atom_data_size); | |
294 static ngx_int_t ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
295 ngx_http_mp4_trak_t *trak); | |
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296 static ngx_int_t ngx_http_mp4_crop_stsc_data(ngx_http_mp4_file_t *mp4, |
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297 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
4085 | 298 static ngx_int_t ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, |
299 uint64_t atom_data_size); | |
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300 static ngx_int_t ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
4085 | 301 ngx_http_mp4_trak_t *trak); |
302 static ngx_int_t ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, | |
303 uint64_t atom_data_size); | |
304 static ngx_int_t ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
305 ngx_http_mp4_trak_t *trak); | |
306 static void ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
307 ngx_http_mp4_trak_t *trak, int32_t adjustment); | |
4112 | 308 static ngx_int_t ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, |
309 uint64_t atom_data_size); | |
310 static ngx_int_t ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
311 ngx_http_mp4_trak_t *trak); | |
312 static void ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
313 ngx_http_mp4_trak_t *trak, off_t adjustment); | |
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314 |
4085 | 315 static char *ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
316 static void *ngx_http_mp4_create_conf(ngx_conf_t *cf); | |
317 static char *ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child); | |
318 | |
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319 |
4085 | 320 static ngx_command_t ngx_http_mp4_commands[] = { |
321 | |
322 { ngx_string("mp4"), | |
323 NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, | |
324 ngx_http_mp4, | |
325 0, | |
326 0, | |
327 NULL }, | |
328 | |
329 { ngx_string("mp4_buffer_size"), | |
330 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
331 ngx_conf_set_size_slot, | |
332 NGX_HTTP_LOC_CONF_OFFSET, | |
333 offsetof(ngx_http_mp4_conf_t, buffer_size), | |
334 NULL }, | |
335 | |
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336 { ngx_string("mp4_max_buffer_size"), |
4085 | 337 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
338 ngx_conf_set_size_slot, | |
339 NGX_HTTP_LOC_CONF_OFFSET, | |
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340 offsetof(ngx_http_mp4_conf_t, max_buffer_size), |
4085 | 341 NULL }, |
342 | |
343 ngx_null_command | |
344 }; | |
345 | |
346 | |
347 static ngx_http_module_t ngx_http_mp4_module_ctx = { | |
348 NULL, /* preconfiguration */ | |
349 NULL, /* postconfiguration */ | |
350 | |
351 NULL, /* create main configuration */ | |
352 NULL, /* init main configuration */ | |
353 | |
354 NULL, /* create server configuration */ | |
355 NULL, /* merge server configuration */ | |
356 | |
357 ngx_http_mp4_create_conf, /* create location configuration */ | |
358 ngx_http_mp4_merge_conf /* merge location configuration */ | |
359 }; | |
360 | |
361 | |
362 ngx_module_t ngx_http_mp4_module = { | |
363 NGX_MODULE_V1, | |
364 &ngx_http_mp4_module_ctx, /* module context */ | |
365 ngx_http_mp4_commands, /* module directives */ | |
366 NGX_HTTP_MODULE, /* module type */ | |
367 NULL, /* init master */ | |
368 NULL, /* init module */ | |
369 NULL, /* init process */ | |
370 NULL, /* init thread */ | |
371 NULL, /* exit thread */ | |
372 NULL, /* exit process */ | |
373 NULL, /* exit master */ | |
374 NGX_MODULE_V1_PADDING | |
375 }; | |
376 | |
377 | |
378 static ngx_http_mp4_atom_handler_t ngx_http_mp4_atoms[] = { | |
379 { "ftyp", ngx_http_mp4_read_ftyp_atom }, | |
380 { "moov", ngx_http_mp4_read_moov_atom }, | |
381 { "mdat", ngx_http_mp4_read_mdat_atom }, | |
382 { NULL, NULL } | |
383 }; | |
384 | |
385 static ngx_http_mp4_atom_handler_t ngx_http_mp4_moov_atoms[] = { | |
386 { "mvhd", ngx_http_mp4_read_mvhd_atom }, | |
387 { "trak", ngx_http_mp4_read_trak_atom }, | |
388 { "cmov", ngx_http_mp4_read_cmov_atom }, | |
389 { NULL, NULL } | |
390 }; | |
391 | |
392 static ngx_http_mp4_atom_handler_t ngx_http_mp4_trak_atoms[] = { | |
393 { "tkhd", ngx_http_mp4_read_tkhd_atom }, | |
394 { "mdia", ngx_http_mp4_read_mdia_atom }, | |
395 { NULL, NULL } | |
396 }; | |
397 | |
398 static ngx_http_mp4_atom_handler_t ngx_http_mp4_mdia_atoms[] = { | |
399 { "mdhd", ngx_http_mp4_read_mdhd_atom }, | |
400 { "hdlr", ngx_http_mp4_read_hdlr_atom }, | |
401 { "minf", ngx_http_mp4_read_minf_atom }, | |
402 { NULL, NULL } | |
403 }; | |
404 | |
405 static ngx_http_mp4_atom_handler_t ngx_http_mp4_minf_atoms[] = { | |
406 { "vmhd", ngx_http_mp4_read_vmhd_atom }, | |
407 { "smhd", ngx_http_mp4_read_smhd_atom }, | |
408 { "dinf", ngx_http_mp4_read_dinf_atom }, | |
409 { "stbl", ngx_http_mp4_read_stbl_atom }, | |
410 { NULL, NULL } | |
411 }; | |
412 | |
413 static ngx_http_mp4_atom_handler_t ngx_http_mp4_stbl_atoms[] = { | |
414 { "stsd", ngx_http_mp4_read_stsd_atom }, | |
415 { "stts", ngx_http_mp4_read_stts_atom }, | |
416 { "stss", ngx_http_mp4_read_stss_atom }, | |
417 { "ctts", ngx_http_mp4_read_ctts_atom }, | |
418 { "stsc", ngx_http_mp4_read_stsc_atom }, | |
419 { "stsz", ngx_http_mp4_read_stsz_atom }, | |
420 { "stco", ngx_http_mp4_read_stco_atom }, | |
4112 | 421 { "co64", ngx_http_mp4_read_co64_atom }, |
4085 | 422 { NULL, NULL } |
423 }; | |
424 | |
425 | |
426 static ngx_int_t | |
427 ngx_http_mp4_handler(ngx_http_request_t *r) | |
428 { | |
429 u_char *last; | |
430 size_t root; | |
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431 ngx_int_t rc, start, end; |
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432 ngx_uint_t level, length; |
4085 | 433 ngx_str_t path, value; |
434 ngx_log_t *log; | |
435 ngx_buf_t *b; | |
436 ngx_chain_t out; | |
437 ngx_http_mp4_file_t *mp4; | |
438 ngx_open_file_info_t of; | |
439 ngx_http_core_loc_conf_t *clcf; | |
440 | |
441 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { | |
442 return NGX_HTTP_NOT_ALLOWED; | |
443 } | |
444 | |
445 if (r->uri.data[r->uri.len - 1] == '/') { | |
446 return NGX_DECLINED; | |
447 } | |
448 | |
449 rc = ngx_http_discard_request_body(r); | |
450 | |
451 if (rc != NGX_OK) { | |
452 return rc; | |
453 } | |
454 | |
455 last = ngx_http_map_uri_to_path(r, &path, &root, 0); | |
456 if (last == NULL) { | |
457 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
458 } | |
459 | |
460 log = r->connection->log; | |
461 | |
462 path.len = last - path.data; | |
463 | |
464 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, | |
465 "http mp4 filename: \"%V\"", &path); | |
466 | |
467 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
468 | |
469 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); | |
470 | |
471 of.read_ahead = clcf->read_ahead; | |
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472 of.directio = NGX_MAX_OFF_T_VALUE; |
4085 | 473 of.valid = clcf->open_file_cache_valid; |
474 of.min_uses = clcf->open_file_cache_min_uses; | |
475 of.errors = clcf->open_file_cache_errors; | |
476 of.events = clcf->open_file_cache_events; | |
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478 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { |
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479 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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480 } |
4085 | 481 |
482 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) | |
483 != NGX_OK) | |
484 { | |
485 switch (of.err) { | |
486 | |
487 case 0: | |
488 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
489 | |
490 case NGX_ENOENT: | |
491 case NGX_ENOTDIR: | |
492 case NGX_ENAMETOOLONG: | |
493 | |
494 level = NGX_LOG_ERR; | |
495 rc = NGX_HTTP_NOT_FOUND; | |
496 break; | |
497 | |
498 case NGX_EACCES: | |
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499 #if (NGX_HAVE_OPENAT) |
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500 case NGX_EMLINK: |
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501 case NGX_ELOOP: |
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502 #endif |
4085 | 503 |
504 level = NGX_LOG_ERR; | |
505 rc = NGX_HTTP_FORBIDDEN; | |
506 break; | |
507 | |
508 default: | |
509 | |
510 level = NGX_LOG_CRIT; | |
511 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
512 break; | |
513 } | |
514 | |
515 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { | |
516 ngx_log_error(level, log, of.err, | |
517 "%s \"%s\" failed", of.failed, path.data); | |
518 } | |
519 | |
520 return rc; | |
521 } | |
522 | |
523 if (!of.is_file) { | |
524 return NGX_DECLINED; | |
525 } | |
526 | |
527 r->root_tested = !r->error_page; | |
528 r->allow_ranges = 1; | |
529 | |
530 start = -1; | |
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531 length = 0; |
4085 | 532 r->headers_out.content_length_n = of.size; |
533 mp4 = NULL; | |
534 b = NULL; | |
535 | |
536 if (r->args.len) { | |
537 | |
538 if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) { | |
539 | |
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540 /* |
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541 * A Flash player may send start value with a lot of digits |
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542 * after dot so a custom function is used instead of ngx_atofp(). |
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543 */ |
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|
544 |
6782
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
545 start = ngx_http_mp4_atofp(value.data, value.len, 3); |
4085 | 546 } |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
547 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
548 if (ngx_http_arg(r, (u_char *) "end", 3, &value) == NGX_OK) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
549 |
6782
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
550 end = ngx_http_mp4_atofp(value.data, value.len, 3); |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
551 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
552 if (end > 0) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
553 if (start < 0) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
554 start = 0; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
555 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
556 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
557 if (end > start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
558 length = end - start; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
559 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
560 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
561 } |
4085 | 562 } |
563 | |
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
564 if (start >= 0) { |
5621
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5620
diff
changeset
|
565 r->single_range = 1; |
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
566 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
567 mp4 = ngx_pcalloc(r->pool, sizeof(ngx_http_mp4_file_t)); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
568 if (mp4 == NULL) { |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
569 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
570 } |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
571 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
572 mp4->file.fd = of.fd; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
573 mp4->file.name = path; |
5496
9d056f10fb99
Style: removed surplus semicolons.
Valentin Bartenev <vbart@nginx.com>
parents:
5359
diff
changeset
|
574 mp4->file.log = r->connection->log; |
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
575 mp4->end = of.size; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
576 mp4->start = (ngx_uint_t) start; |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
577 mp4->length = length; |
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
578 mp4->request = r; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
579 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
580 switch (ngx_http_mp4_process(mp4)) { |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
581 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
582 case NGX_DECLINED: |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
583 if (mp4->buffer) { |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
584 ngx_pfree(r->pool, mp4->buffer); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
585 } |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
586 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
587 ngx_pfree(r->pool, mp4); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
588 mp4 = NULL; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
589 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
590 break; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
591 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
592 case NGX_OK: |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
593 r->headers_out.content_length_n = mp4->content_length; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
594 break; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
595 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
596 default: /* NGX_ERROR */ |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
597 if (mp4->buffer) { |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
598 ngx_pfree(r->pool, mp4->buffer); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
599 } |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
600 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
601 ngx_pfree(r->pool, mp4); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
602 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
603 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
604 } |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
605 } |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
606 |
4085 | 607 log->action = "sending mp4 to client"; |
608 | |
609 if (clcf->directio <= of.size) { | |
610 | |
611 /* | |
612 * DIRECTIO is set on transfer only | |
613 * to allow kernel to cache "moov" atom | |
614 */ | |
615 | |
616 if (ngx_directio_on(of.fd) == NGX_FILE_ERROR) { | |
617 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
618 ngx_directio_on_n " \"%s\" failed", path.data); | |
619 } | |
620 | |
4087
3aa3b7bb9f0d
Bugfix of r4086: directio was always enabled if mp4 file was sent as is.
Igor Sysoev <igor@sysoev.ru>
parents:
4085
diff
changeset
|
621 of.is_directio = 1; |
3aa3b7bb9f0d
Bugfix of r4086: directio was always enabled if mp4 file was sent as is.
Igor Sysoev <igor@sysoev.ru>
parents:
4085
diff
changeset
|
622 |
4085 | 623 if (mp4) { |
624 mp4->file.directio = 1; | |
625 } | |
626 } | |
627 | |
628 r->headers_out.status = NGX_HTTP_OK; | |
629 r->headers_out.last_modified_time = of.mtime; | |
630 | |
4748
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
631 if (ngx_http_set_etag(r) != NGX_OK) { |
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
632 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
633 } |
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
634 |
4085 | 635 if (ngx_http_set_content_type(r) != NGX_OK) { |
636 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
637 } | |
638 | |
639 if (mp4 == NULL) { | |
6973
99934aade555
Use ngx_calloc_buf() where appropriate.
Ruslan Ermilov <ru@nginx.com>
parents:
6818
diff
changeset
|
640 b = ngx_calloc_buf(r->pool); |
4085 | 641 if (b == NULL) { |
642 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
643 } | |
644 | |
645 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); | |
646 if (b->file == NULL) { | |
647 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
648 } | |
649 } | |
650 | |
651 rc = ngx_http_send_header(r); | |
652 | |
653 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
654 return rc; | |
655 } | |
656 | |
657 if (mp4) { | |
658 return ngx_http_output_filter(r, mp4->out); | |
659 } | |
660 | |
661 b->file_pos = 0; | |
662 b->file_last = of.size; | |
663 | |
664 b->in_file = b->file_last ? 1 : 0; | |
4611
2b6cb7528409
Allows particular modules to handle subrequests properly.
Andrey Belov <defan@nginx.com>
parents:
4585
diff
changeset
|
665 b->last_buf = (r == r->main) ? 1 : 0; |
4085 | 666 b->last_in_chain = 1; |
667 | |
668 b->file->fd = of.fd; | |
669 b->file->name = path; | |
670 b->file->log = log; | |
671 b->file->directio = of.is_directio; | |
672 | |
673 out.buf = b; | |
674 out.next = NULL; | |
675 | |
676 return ngx_http_output_filter(r, &out); | |
677 } | |
678 | |
679 | |
680 static ngx_int_t | |
6782
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
681 ngx_http_mp4_atofp(u_char *line, size_t n, size_t point) |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
682 { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
683 ngx_int_t value, cutoff, cutlim; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
684 ngx_uint_t dot; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
685 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
686 /* same as ngx_atofp(), but allows additional digits */ |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
687 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
688 if (n == 0) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
689 return NGX_ERROR; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
690 } |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
691 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
692 cutoff = NGX_MAX_INT_T_VALUE / 10; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
693 cutlim = NGX_MAX_INT_T_VALUE % 10; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
694 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
695 dot = 0; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
696 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
697 for (value = 0; n--; line++) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
698 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
699 if (*line == '.') { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
700 if (dot) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
701 return NGX_ERROR; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
702 } |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
703 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
704 dot = 1; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
705 continue; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
706 } |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
707 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
708 if (*line < '0' || *line > '9') { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
709 return NGX_ERROR; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
710 } |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
711 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
712 if (point == 0) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
713 continue; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
714 } |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
715 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
716 if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
717 return NGX_ERROR; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
718 } |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
719 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
720 value = value * 10 + (*line - '0'); |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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parents:
6722
diff
changeset
|
721 point -= dot; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
722 } |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
723 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
724 while (point--) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
725 if (value > cutoff) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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parents:
6722
diff
changeset
|
726 return NGX_ERROR; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
727 } |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
728 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
729 value = value * 10; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
730 } |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
731 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
732 return value; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
733 } |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
734 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
735 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
736 static ngx_int_t |
4085 | 737 ngx_http_mp4_process(ngx_http_mp4_file_t *mp4) |
738 { | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
739 off_t start_offset, end_offset, adjustment; |
4085 | 740 ngx_int_t rc; |
741 ngx_uint_t i, j; | |
742 ngx_chain_t **prev; | |
743 ngx_http_mp4_trak_t *trak; | |
744 ngx_http_mp4_conf_t *conf; | |
745 | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
746 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
747 "mp4 start:%ui, length:%ui", mp4->start, mp4->length); |
4085 | 748 |
749 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
750 | |
751 mp4->buffer_size = conf->buffer_size; | |
752 | |
753 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_atoms, mp4->end); | |
754 if (rc != NGX_OK) { | |
755 return rc; | |
756 } | |
757 | |
758 if (mp4->trak.nelts == 0) { | |
759 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
760 "no mp4 trak atoms were found in \"%s\"", | |
761 mp4->file.name.data); | |
762 return NGX_ERROR; | |
763 } | |
764 | |
765 if (mp4->mdat_atom.buf == NULL) { | |
766 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
767 "no mp4 mdat atom was found in \"%s\"", | |
768 mp4->file.name.data); | |
769 return NGX_ERROR; | |
770 } | |
771 | |
772 prev = &mp4->out; | |
773 | |
774 if (mp4->ftyp_atom.buf) { | |
775 *prev = &mp4->ftyp_atom; | |
776 prev = &mp4->ftyp_atom.next; | |
777 } | |
778 | |
779 *prev = &mp4->moov_atom; | |
780 prev = &mp4->moov_atom.next; | |
781 | |
782 if (mp4->mvhd_atom.buf) { | |
783 mp4->moov_size += mp4->mvhd_atom_buf.last - mp4->mvhd_atom_buf.pos; | |
784 *prev = &mp4->mvhd_atom; | |
785 prev = &mp4->mvhd_atom.next; | |
786 } | |
787 | |
788 start_offset = mp4->end; | |
5620
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Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
789 end_offset = 0; |
4085 | 790 trak = mp4->trak.elts; |
791 | |
792 for (i = 0; i < mp4->trak.nelts; i++) { | |
793 | |
794 if (ngx_http_mp4_update_stts_atom(mp4, &trak[i]) != NGX_OK) { | |
795 return NGX_ERROR; | |
796 } | |
797 | |
798 if (ngx_http_mp4_update_stss_atom(mp4, &trak[i]) != NGX_OK) { | |
799 return NGX_ERROR; | |
800 } | |
801 | |
802 ngx_http_mp4_update_ctts_atom(mp4, &trak[i]); | |
803 | |
804 if (ngx_http_mp4_update_stsc_atom(mp4, &trak[i]) != NGX_OK) { | |
805 return NGX_ERROR; | |
806 } | |
807 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
808 if (ngx_http_mp4_update_stsz_atom(mp4, &trak[i]) != NGX_OK) { |
3f874d645f45
Mp4: sanity checks cleanup.
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|
809 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
810 } |
4085 | 811 |
4112 | 812 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
813 if (ngx_http_mp4_update_co64_atom(mp4, &trak[i]) != NGX_OK) { | |
814 return NGX_ERROR; | |
815 } | |
816 | |
817 } else { | |
818 if (ngx_http_mp4_update_stco_atom(mp4, &trak[i]) != NGX_OK) { | |
819 return NGX_ERROR; | |
820 } | |
4085 | 821 } |
822 | |
823 ngx_http_mp4_update_stbl_atom(mp4, &trak[i]); | |
824 ngx_http_mp4_update_minf_atom(mp4, &trak[i]); | |
825 trak[i].size += trak[i].mdhd_size; | |
826 trak[i].size += trak[i].hdlr_size; | |
827 ngx_http_mp4_update_mdia_atom(mp4, &trak[i]); | |
828 trak[i].size += trak[i].tkhd_size; | |
829 ngx_http_mp4_update_trak_atom(mp4, &trak[i]); | |
830 | |
831 mp4->moov_size += trak[i].size; | |
832 | |
833 if (start_offset > trak[i].start_offset) { | |
834 start_offset = trak[i].start_offset; | |
835 } | |
836 | |
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Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
837 if (end_offset < trak[i].end_offset) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
838 end_offset = trak[i].end_offset; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
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|
839 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
840 |
4085 | 841 *prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM]; |
842 prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM].next; | |
843 | |
844 for (j = 0; j < NGX_HTTP_MP4_LAST_ATOM + 1; j++) { | |
845 if (trak[i].out[j].buf) { | |
846 *prev = &trak[i].out[j]; | |
847 prev = &trak[i].out[j].next; | |
848 } | |
849 } | |
850 } | |
851 | |
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0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
852 if (end_offset < start_offset) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
853 end_offset = start_offset; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
854 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
855 |
4085 | 856 mp4->moov_size += 8; |
857 | |
858 ngx_mp4_set_32value(mp4->moov_atom_header, mp4->moov_size); | |
859 ngx_mp4_set_atom_name(mp4->moov_atom_header, 'm', 'o', 'o', 'v'); | |
860 mp4->content_length += mp4->moov_size; | |
861 | |
862 *prev = &mp4->mdat_atom; | |
863 | |
5097
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
864 if (start_offset > mp4->mdat_data.buf->file_last) { |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
865 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
866 "start time is out mp4 mdat atom in \"%s\"", |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
867 mp4->file.name.data); |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
868 return NGX_ERROR; |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
869 } |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
870 |
4085 | 871 adjustment = mp4->ftyp_size + mp4->moov_size |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
872 + ngx_http_mp4_update_mdat_atom(mp4, start_offset, end_offset) |
4085 | 873 - start_offset; |
874 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
875 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4579 | 876 "mp4 adjustment:%O", adjustment); |
4085 | 877 |
878 for (i = 0; i < mp4->trak.nelts; i++) { | |
4112 | 879 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
880 ngx_http_mp4_adjust_co64_atom(mp4, &trak[i], adjustment); | |
881 } else { | |
882 ngx_http_mp4_adjust_stco_atom(mp4, &trak[i], (int32_t) adjustment); | |
883 } | |
4085 | 884 } |
885 | |
886 return NGX_OK; | |
887 } | |
888 | |
889 | |
890 typedef struct { | |
891 u_char size[4]; | |
892 u_char name[4]; | |
893 } ngx_mp4_atom_header_t; | |
894 | |
895 typedef struct { | |
896 u_char size[4]; | |
897 u_char name[4]; | |
898 u_char size64[8]; | |
899 } ngx_mp4_atom_header64_t; | |
900 | |
901 | |
902 static ngx_int_t | |
903 ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
904 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size) | |
905 { | |
906 off_t end; | |
907 size_t atom_header_size; | |
908 u_char *atom_header, *atom_name; | |
909 uint64_t atom_size; | |
910 ngx_int_t rc; | |
911 ngx_uint_t n; | |
912 | |
913 end = mp4->offset + atom_data_size; | |
914 | |
915 while (mp4->offset < end) { | |
916 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
917 if (ngx_http_mp4_read(mp4, sizeof(uint32_t)) != NGX_OK) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
918 return NGX_ERROR; |
4085 | 919 } |
920 | |
921 atom_header = mp4->buffer_pos; | |
922 atom_size = ngx_mp4_get_32value(atom_header); | |
923 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
924 | |
925 if (atom_size == 0) { | |
926 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
927 "mp4 atom end"); | |
928 return NGX_OK; | |
929 } | |
930 | |
931 if (atom_size < sizeof(ngx_mp4_atom_header_t)) { | |
932 | |
933 if (atom_size == 1) { | |
934 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
935 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header64_t)) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
936 != NGX_OK) |
4085 | 937 { |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
938 return NGX_ERROR; |
4085 | 939 } |
940 | |
941 /* 64-bit atom size */ | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
942 atom_header = mp4->buffer_pos; |
4085 | 943 atom_size = ngx_mp4_get_64value(atom_header + 8); |
944 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
945 | |
7376
e5069816039b
Mp4: fixed reading 64-bit atoms.
Roman Arutyunyan <arut@nginx.com>
parents:
6973
diff
changeset
|
946 if (atom_size < sizeof(ngx_mp4_atom_header64_t)) { |
e5069816039b
Mp4: fixed reading 64-bit atoms.
Roman Arutyunyan <arut@nginx.com>
parents:
6973
diff
changeset
|
947 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
e5069816039b
Mp4: fixed reading 64-bit atoms.
Roman Arutyunyan <arut@nginx.com>
parents:
6973
diff
changeset
|
948 "\"%s\" mp4 atom is too small:%uL", |
e5069816039b
Mp4: fixed reading 64-bit atoms.
Roman Arutyunyan <arut@nginx.com>
parents:
6973
diff
changeset
|
949 mp4->file.name.data, atom_size); |
e5069816039b
Mp4: fixed reading 64-bit atoms.
Roman Arutyunyan <arut@nginx.com>
parents:
6973
diff
changeset
|
950 return NGX_ERROR; |
e5069816039b
Mp4: fixed reading 64-bit atoms.
Roman Arutyunyan <arut@nginx.com>
parents:
6973
diff
changeset
|
951 } |
e5069816039b
Mp4: fixed reading 64-bit atoms.
Roman Arutyunyan <arut@nginx.com>
parents:
6973
diff
changeset
|
952 |
4085 | 953 } else { |
954 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
955 "\"%s\" mp4 atom is too small:%uL", | |
956 mp4->file.name.data, atom_size); | |
957 return NGX_ERROR; | |
958 } | |
959 } | |
960 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
961 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header_t)) != NGX_OK) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
962 return NGX_ERROR; |
4085 | 963 } |
964 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
965 atom_header = mp4->buffer_pos; |
4085 | 966 atom_name = atom_header + sizeof(uint32_t); |
967 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
968 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 969 "mp4 atom: %*s @%O:%uL", |
6478
3ef7bb882ad4
Fixed logging with variable field width.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6474
diff
changeset
|
970 (size_t) 4, atom_name, mp4->offset, atom_size); |
4085 | 971 |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
972 if (atom_size > (uint64_t) (NGX_MAX_OFF_T_VALUE - mp4->offset) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
973 || mp4->offset + (off_t) atom_size > end) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
974 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
975 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
976 "\"%s\" mp4 atom too large:%uL", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
977 mp4->file.name.data, atom_size); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
978 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
979 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
980 |
4085 | 981 for (n = 0; atom[n].name; n++) { |
982 | |
983 if (ngx_strncmp(atom_name, atom[n].name, 4) == 0) { | |
984 | |
985 ngx_mp4_atom_next(mp4, atom_header_size); | |
986 | |
987 rc = atom[n].handler(mp4, atom_size - atom_header_size); | |
988 if (rc != NGX_OK) { | |
989 return rc; | |
990 } | |
991 | |
992 goto next; | |
993 } | |
994 } | |
995 | |
996 ngx_mp4_atom_next(mp4, atom_size); | |
997 | |
998 next: | |
999 continue; | |
1000 } | |
1001 | |
1002 return NGX_OK; | |
1003 } | |
1004 | |
1005 | |
1006 static ngx_int_t | |
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1007 ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size) |
4085 | 1008 { |
4585
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1009 ssize_t n; |
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1010 |
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1011 if (mp4->buffer_pos + size <= mp4->buffer_end) { |
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1012 return NGX_OK; |
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1013 } |
4085 | 1014 |
1015 if (mp4->offset + (off_t) mp4->buffer_size > mp4->end) { | |
1016 mp4->buffer_size = (size_t) (mp4->end - mp4->offset); | |
1017 } | |
1018 | |
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1019 if (mp4->buffer_size < size) { |
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1020 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1021 "\"%s\" mp4 file truncated", mp4->file.name.data); |
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1022 return NGX_ERROR; |
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1023 } |
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1024 |
4085 | 1025 if (mp4->buffer == NULL) { |
1026 mp4->buffer = ngx_palloc(mp4->request->pool, mp4->buffer_size); | |
1027 if (mp4->buffer == NULL) { | |
1028 return NGX_ERROR; | |
1029 } | |
1030 | |
1031 mp4->buffer_start = mp4->buffer; | |
1032 } | |
1033 | |
1034 n = ngx_read_file(&mp4->file, mp4->buffer_start, mp4->buffer_size, | |
1035 mp4->offset); | |
1036 | |
1037 if (n == NGX_ERROR) { | |
1038 return NGX_ERROR; | |
1039 } | |
1040 | |
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1041 if ((size_t) n != mp4->buffer_size) { |
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1042 ngx_log_error(NGX_LOG_CRIT, mp4->file.log, 0, |
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1043 ngx_read_file_n " read only %z of %z from \"%s\"", |
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1044 n, mp4->buffer_size, mp4->file.name.data); |
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1045 return NGX_ERROR; |
4085 | 1046 } |
1047 | |
1048 mp4->buffer_pos = mp4->buffer_start; | |
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1049 mp4->buffer_end = mp4->buffer_start + mp4->buffer_size; |
4085 | 1050 |
1051 return NGX_OK; | |
1052 } | |
1053 | |
1054 | |
1055 static ngx_int_t | |
1056 ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1057 { | |
1058 u_char *ftyp_atom; | |
1059 size_t atom_size; | |
1060 ngx_buf_t *atom; | |
1061 | |
1062 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ftyp atom"); | |
1063 | |
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1064 if (atom_data_size > 1024 |
5359
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1065 || ngx_mp4_atom_data(mp4) + (size_t) atom_data_size > mp4->buffer_end) |
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1066 { |
4085 | 1067 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
1068 "\"%s\" mp4 ftyp atom is too large:%uL", | |
1069 mp4->file.name.data, atom_data_size); | |
1070 return NGX_ERROR; | |
1071 } | |
1072 | |
1073 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1074 | |
1075 ftyp_atom = ngx_palloc(mp4->request->pool, atom_size); | |
1076 if (ftyp_atom == NULL) { | |
1077 return NGX_ERROR; | |
1078 } | |
1079 | |
1080 ngx_mp4_set_32value(ftyp_atom, atom_size); | |
1081 ngx_mp4_set_atom_name(ftyp_atom, 'f', 't', 'y', 'p'); | |
1082 | |
1083 /* | |
1084 * only moov atom content is guaranteed to be in mp4->buffer | |
1085 * during sending response, so ftyp atom content should be copied | |
1086 */ | |
1087 ngx_memcpy(ftyp_atom + sizeof(ngx_mp4_atom_header_t), | |
1088 ngx_mp4_atom_data(mp4), (size_t) atom_data_size); | |
1089 | |
1090 atom = &mp4->ftyp_atom_buf; | |
1091 atom->temporary = 1; | |
1092 atom->pos = ftyp_atom; | |
1093 atom->last = ftyp_atom + atom_size; | |
1094 | |
1095 mp4->ftyp_atom.buf = atom; | |
1096 mp4->ftyp_size = atom_size; | |
1097 mp4->content_length = atom_size; | |
1098 | |
1099 ngx_mp4_atom_next(mp4, atom_data_size); | |
1100 | |
1101 return NGX_OK; | |
1102 } | |
1103 | |
1104 | |
1105 /* | |
1106 * Small excess buffer to process atoms after moov atom, mp4->buffer_start | |
1107 * will be set to this buffer part after moov atom processing. | |
1108 */ | |
1109 #define NGX_HTTP_MP4_MOOV_BUFFER_EXCESS (4 * 1024) | |
1110 | |
1111 static ngx_int_t | |
1112 ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1113 { | |
1114 ngx_int_t rc; | |
1115 ngx_uint_t no_mdat; | |
1116 ngx_buf_t *atom; | |
1117 ngx_http_mp4_conf_t *conf; | |
1118 | |
1119 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom"); | |
1120 | |
1121 no_mdat = (mp4->mdat_atom.buf == NULL); | |
1122 | |
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1123 if (no_mdat && mp4->start == 0 && mp4->length == 0) { |
4085 | 1124 /* |
1125 * send original file if moov atom resides before | |
1126 * mdat atom and client requests integral file | |
1127 */ | |
1128 return NGX_DECLINED; | |
1129 } | |
1130 | |
1131 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
1132 | |
1133 if (atom_data_size > mp4->buffer_size) { | |
1134 | |
4089
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diff
changeset
|
1135 if (atom_data_size > conf->max_buffer_size) { |
4085 | 1136 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
1137 "\"%s\" mp4 moov atom is too large:%uL, " | |
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diff
changeset
|
1138 "you may want to increase mp4_max_buffer_size", |
4085 | 1139 mp4->file.name.data, atom_data_size); |
1140 return NGX_ERROR; | |
1141 } | |
1142 | |
1143 ngx_pfree(mp4->request->pool, mp4->buffer); | |
1144 mp4->buffer = NULL; | |
1145 mp4->buffer_pos = NULL; | |
1146 mp4->buffer_end = NULL; | |
1147 | |
1148 mp4->buffer_size = (size_t) atom_data_size | |
1149 + NGX_HTTP_MP4_MOOV_BUFFER_EXCESS * no_mdat; | |
1150 } | |
1151 | |
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9a43b145a8ba
Mp4: fixed build on win32 after r4689.
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|
1152 if (ngx_http_mp4_read(mp4, (size_t) atom_data_size) != NGX_OK) { |
4688
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1153 return NGX_ERROR; |
5fedb27c3e36
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|
1154 } |
5fedb27c3e36
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|
1155 |
4085 | 1156 mp4->trak.elts = &mp4->traks; |
1157 mp4->trak.size = sizeof(ngx_http_mp4_trak_t); | |
1158 mp4->trak.nalloc = 2; | |
1159 mp4->trak.pool = mp4->request->pool; | |
1160 | |
1161 atom = &mp4->moov_atom_buf; | |
1162 atom->temporary = 1; | |
1163 atom->pos = mp4->moov_atom_header; | |
1164 atom->last = mp4->moov_atom_header + 8; | |
1165 | |
1166 mp4->moov_atom.buf = &mp4->moov_atom_buf; | |
1167 | |
1168 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_moov_atoms, atom_data_size); | |
1169 | |
1170 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom done"); | |
1171 | |
1172 if (no_mdat) { | |
1173 mp4->buffer_start = mp4->buffer_pos; | |
1174 mp4->buffer_size = NGX_HTTP_MP4_MOOV_BUFFER_EXCESS; | |
1175 | |
4688
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|
1176 if (mp4->buffer_start + mp4->buffer_size > mp4->buffer_end) { |
5fedb27c3e36
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|
1177 mp4->buffer = NULL; |
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|
1178 mp4->buffer_pos = NULL; |
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|
1179 mp4->buffer_end = NULL; |
5fedb27c3e36
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|
1180 } |
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|
1181 |
4085 | 1182 } else { |
1183 /* skip atoms after moov atom */ | |
1184 mp4->offset = mp4->end; | |
1185 } | |
1186 | |
1187 return rc; | |
1188 } | |
1189 | |
1190 | |
1191 static ngx_int_t | |
1192 ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1193 { | |
1194 ngx_buf_t *data; | |
1195 | |
1196 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdat atom"); | |
1197 | |
1198 data = &mp4->mdat_data_buf; | |
1199 data->file = &mp4->file; | |
1200 data->in_file = 1; | |
6722
6136a51f9c21
Do not set last_buf flag in subrequests.
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parents:
6504
diff
changeset
|
1201 data->last_buf = (mp4->request == mp4->request->main) ? 1 : 0; |
4085 | 1202 data->last_in_chain = 1; |
1203 data->file_last = mp4->offset + atom_data_size; | |
1204 | |
1205 mp4->mdat_atom.buf = &mp4->mdat_atom_buf; | |
1206 mp4->mdat_atom.next = &mp4->mdat_data; | |
1207 mp4->mdat_data.buf = data; | |
1208 | |
1209 if (mp4->trak.nelts) { | |
1210 /* skip atoms after mdat atom */ | |
1211 mp4->offset = mp4->end; | |
1212 | |
1213 } else { | |
1214 ngx_mp4_atom_next(mp4, atom_data_size); | |
1215 } | |
1216 | |
1217 return NGX_OK; | |
1218 } | |
1219 | |
1220 | |
1221 static size_t | |
5620
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diff
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|
1222 ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, off_t start_offset, |
0a567878254b
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|
1223 off_t end_offset) |
4085 | 1224 { |
1225 off_t atom_data_size; | |
1226 u_char *atom_header; | |
1227 uint32_t atom_header_size; | |
1228 uint64_t atom_size; | |
1229 ngx_buf_t *atom; | |
1230 | |
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|
1231 atom_data_size = end_offset - start_offset; |
4085 | 1232 mp4->mdat_data.buf->file_pos = start_offset; |
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1233 mp4->mdat_data.buf->file_last = end_offset; |
4085 | 1234 |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
1235 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 1236 "mdat new offset @%O:%O", start_offset, atom_data_size); |
1237 | |
1238 atom_header = mp4->mdat_atom_header; | |
1239 | |
6818
2b2239a1e0d4
Mp4: fixed setting wrong mdat atom size in very rare cases.
hucongcong <hucong.c@foxmail.com>
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6782
diff
changeset
|
1240 if ((uint64_t) atom_data_size |
2b2239a1e0d4
Mp4: fixed setting wrong mdat atom size in very rare cases.
hucongcong <hucong.c@foxmail.com>
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6782
diff
changeset
|
1241 > (uint64_t) 0xffffffff - sizeof(ngx_mp4_atom_header_t)) |
2b2239a1e0d4
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diff
changeset
|
1242 { |
4085 | 1243 atom_size = 1; |
1244 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
1245 ngx_mp4_set_64value(atom_header + sizeof(ngx_mp4_atom_header_t), | |
1246 sizeof(ngx_mp4_atom_header64_t) + atom_data_size); | |
1247 } else { | |
1248 atom_size = sizeof(ngx_mp4_atom_header_t) + atom_data_size; | |
1249 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
1250 } | |
1251 | |
4282
71cdac0b9ea6
Fix of "Content-Length" header of MP4 response if start argument was used.
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4189
diff
changeset
|
1252 mp4->content_length += atom_header_size + atom_data_size; |
71cdac0b9ea6
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changeset
|
1253 |
4085 | 1254 ngx_mp4_set_32value(atom_header, atom_size); |
1255 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'a', 't'); | |
1256 | |
1257 atom = &mp4->mdat_atom_buf; | |
1258 atom->temporary = 1; | |
1259 atom->pos = atom_header; | |
1260 atom->last = atom_header + atom_header_size; | |
1261 | |
1262 return atom_header_size; | |
1263 } | |
1264 | |
1265 | |
1266 typedef struct { | |
1267 u_char size[4]; | |
1268 u_char name[4]; | |
1269 u_char version[1]; | |
1270 u_char flags[3]; | |
1271 u_char creation_time[4]; | |
1272 u_char modification_time[4]; | |
1273 u_char timescale[4]; | |
1274 u_char duration[4]; | |
1275 u_char rate[4]; | |
1276 u_char volume[2]; | |
1277 u_char reserved[10]; | |
1278 u_char matrix[36]; | |
1279 u_char preview_time[4]; | |
1280 u_char preview_duration[4]; | |
1281 u_char poster_time[4]; | |
1282 u_char selection_time[4]; | |
1283 u_char selection_duration[4]; | |
1284 u_char current_time[4]; | |
1285 u_char next_track_id[4]; | |
1286 } ngx_mp4_mvhd_atom_t; | |
1287 | |
1288 typedef struct { | |
1289 u_char size[4]; | |
1290 u_char name[4]; | |
1291 u_char version[1]; | |
1292 u_char flags[3]; | |
1293 u_char creation_time[8]; | |
1294 u_char modification_time[8]; | |
1295 u_char timescale[4]; | |
1296 u_char duration[8]; | |
1297 u_char rate[4]; | |
1298 u_char volume[2]; | |
1299 u_char reserved[10]; | |
1300 u_char matrix[36]; | |
1301 u_char preview_time[4]; | |
1302 u_char preview_duration[4]; | |
1303 u_char poster_time[4]; | |
1304 u_char selection_time[4]; | |
1305 u_char selection_duration[4]; | |
1306 u_char current_time[4]; | |
1307 u_char next_track_id[4]; | |
1308 } ngx_mp4_mvhd64_atom_t; | |
1309 | |
1310 | |
1311 static ngx_int_t | |
1312 ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1313 { | |
1314 u_char *atom_header; | |
1315 size_t atom_size; | |
1316 uint32_t timescale; | |
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|
1317 uint64_t duration, start_time, length_time; |
4085 | 1318 ngx_buf_t *atom; |
1319 ngx_mp4_mvhd_atom_t *mvhd_atom; | |
1320 ngx_mp4_mvhd64_atom_t *mvhd64_atom; | |
1321 | |
1322 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mvhd atom"); | |
1323 | |
1324 atom_header = ngx_mp4_atom_header(mp4); | |
1325 mvhd_atom = (ngx_mp4_mvhd_atom_t *) atom_header; | |
1326 mvhd64_atom = (ngx_mp4_mvhd64_atom_t *) atom_header; | |
1327 ngx_mp4_set_atom_name(atom_header, 'm', 'v', 'h', 'd'); | |
1328 | |
4585
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Mp4: sanity checks cleanup.
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4579
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changeset
|
1329 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd_atom_t) > atom_data_size) { |
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Mp4: sanity checks cleanup.
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diff
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|
1330 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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diff
changeset
|
1331 "\"%s\" mp4 mvhd atom too small", mp4->file.name.data); |
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Mp4: sanity checks cleanup.
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diff
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|
1332 return NGX_ERROR; |
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Mp4: sanity checks cleanup.
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|
1333 } |
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|
1334 |
4085 | 1335 if (mvhd_atom->version[0] == 0) { |
1336 /* version 0: 32-bit duration */ | |
1337 timescale = ngx_mp4_get_32value(mvhd_atom->timescale); | |
1338 duration = ngx_mp4_get_32value(mvhd_atom->duration); | |
1339 | |
1340 } else { | |
1341 /* version 1: 64-bit duration */ | |
4585
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Mp4: sanity checks cleanup.
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|
1342 |
3f874d645f45
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|
1343 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd64_atom_t) > atom_data_size) { |
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diff
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|
1344 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
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diff
changeset
|
1345 "\"%s\" mp4 mvhd atom too small", |
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Mp4: sanity checks cleanup.
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diff
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|
1346 mp4->file.name.data); |
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diff
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|
1347 return NGX_ERROR; |
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|
1348 } |
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|
1349 |
4085 | 1350 timescale = ngx_mp4_get_32value(mvhd64_atom->timescale); |
1351 duration = ngx_mp4_get_64value(mvhd64_atom->duration); | |
1352 } | |
1353 | |
1354 mp4->timescale = timescale; | |
1355 | |
1356 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1357 "mvhd timescale:%uD, duration:%uL, time:%.3fs", | |
1358 timescale, duration, (double) duration / timescale); | |
1359 | |
5543
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Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
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|
1360 start_time = (uint64_t) mp4->start * timescale / 1000; |
5730c0193842
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|
1361 |
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|
1362 if (duration < start_time) { |
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diff
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|
1363 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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Mp4: skip tracks shorter than seek position (ticket #414).
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changeset
|
1364 "\"%s\" mp4 start time exceeds file duration", |
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
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|
1365 mp4->file.name.data); |
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5542
diff
changeset
|
1366 return NGX_ERROR; |
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Mp4: skip tracks shorter than seek position (ticket #414).
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|
1367 } |
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diff
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|
1368 |
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Roman Arutyunyan <arut@nginx.com>
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changeset
|
1369 duration -= start_time; |
4085 | 1370 |
5620
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Mp4: added "end" argument support.
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1371 if (mp4->length) { |
0a567878254b
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diff
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|
1372 length_time = (uint64_t) mp4->length * timescale / 1000; |
0a567878254b
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Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
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|
1373 |
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parents:
5619
diff
changeset
|
1374 if (duration > length_time) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
1375 duration = length_time; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
1376 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
1377 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
1378 |
4085 | 1379 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
1380 "mvhd new duration:%uL, time:%.3fs", | |
1381 duration, (double) duration / timescale); | |
1382 | |
1383 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1384 ngx_mp4_set_32value(mvhd_atom->size, atom_size); | |
1385 | |
1386 if (mvhd_atom->version[0] == 0) { | |
1387 ngx_mp4_set_32value(mvhd_atom->duration, duration); | |
1388 | |
1389 } else { | |
1390 ngx_mp4_set_64value(mvhd64_atom->duration, duration); | |
1391 } | |
1392 | |
1393 atom = &mp4->mvhd_atom_buf; | |
1394 atom->temporary = 1; | |
1395 atom->pos = atom_header; | |
1396 atom->last = atom_header + atom_size; | |
1397 | |
1398 mp4->mvhd_atom.buf = atom; | |
1399 | |
1400 ngx_mp4_atom_next(mp4, atom_data_size); | |
1401 | |
1402 return NGX_OK; | |
1403 } | |
1404 | |
1405 | |
1406 static ngx_int_t | |
1407 ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1408 { | |
4099
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Skipping traks with unsupported media formats.
Igor Sysoev <igor@sysoev.ru>
parents:
4098
diff
changeset
|
1409 u_char *atom_header, *atom_end; |
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Skipping traks with unsupported media formats.
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diff
changeset
|
1410 off_t atom_file_end; |
9ee6944590c0
Skipping traks with unsupported media formats.
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parents:
4098
diff
changeset
|
1411 ngx_int_t rc; |
4085 | 1412 ngx_buf_t *atom; |
1413 ngx_http_mp4_trak_t *trak; | |
1414 | |
1415 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 trak atom"); | |
1416 | |
1417 trak = ngx_array_push(&mp4->trak); | |
1418 if (trak == NULL) { | |
1419 return NGX_ERROR; | |
1420 } | |
1421 | |
1422 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); | |
1423 | |
1424 atom_header = ngx_mp4_atom_header(mp4); | |
1425 ngx_mp4_set_atom_name(atom_header, 't', 'r', 'a', 'k'); | |
1426 | |
1427 atom = &trak->trak_atom_buf; | |
1428 atom->temporary = 1; | |
1429 atom->pos = atom_header; | |
1430 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1431 | |
1432 trak->out[NGX_HTTP_MP4_TRAK_ATOM].buf = atom; | |
1433 | |
5359
2fda9065d0f4
Win32: Borland C compatibility fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
1434 atom_end = mp4->buffer_pos + (size_t) atom_data_size; |
4099
9ee6944590c0
Skipping traks with unsupported media formats.
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parents:
4098
diff
changeset
|
1435 atom_file_end = mp4->offset + atom_data_size; |
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Skipping traks with unsupported media formats.
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diff
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|
1436 |
9ee6944590c0
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|
1437 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_trak_atoms, atom_data_size); |
9ee6944590c0
Skipping traks with unsupported media formats.
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|
1438 |
9ee6944590c0
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diff
changeset
|
1439 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
9ee6944590c0
Skipping traks with unsupported media formats.
Igor Sysoev <igor@sysoev.ru>
parents:
4098
diff
changeset
|
1440 "mp4 trak atom: %i", rc); |
9ee6944590c0
Skipping traks with unsupported media formats.
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diff
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|
1441 |
9ee6944590c0
Skipping traks with unsupported media formats.
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changeset
|
1442 if (rc == NGX_DECLINED) { |
9ee6944590c0
Skipping traks with unsupported media formats.
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parents:
4098
diff
changeset
|
1443 /* skip this trak */ |
9ee6944590c0
Skipping traks with unsupported media formats.
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diff
changeset
|
1444 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); |
9ee6944590c0
Skipping traks with unsupported media formats.
Igor Sysoev <igor@sysoev.ru>
parents:
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|
1445 mp4->trak.nelts--; |
9ee6944590c0
Skipping traks with unsupported media formats.
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4098
diff
changeset
|
1446 mp4->buffer_pos = atom_end; |
9ee6944590c0
Skipping traks with unsupported media formats.
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parents:
4098
diff
changeset
|
1447 mp4->offset = atom_file_end; |
9ee6944590c0
Skipping traks with unsupported media formats.
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parents:
4098
diff
changeset
|
1448 return NGX_OK; |
9ee6944590c0
Skipping traks with unsupported media formats.
Igor Sysoev <igor@sysoev.ru>
parents:
4098
diff
changeset
|
1449 } |
9ee6944590c0
Skipping traks with unsupported media formats.
Igor Sysoev <igor@sysoev.ru>
parents:
4098
diff
changeset
|
1450 |
9ee6944590c0
Skipping traks with unsupported media formats.
Igor Sysoev <igor@sysoev.ru>
parents:
4098
diff
changeset
|
1451 return rc; |
4085 | 1452 } |
1453 | |
1454 | |
1455 static void | |
1456 ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
1457 ngx_http_mp4_trak_t *trak) | |
1458 { | |
1459 ngx_buf_t *atom; | |
1460 | |
1461 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1462 atom = &trak->trak_atom_buf; | |
1463 ngx_mp4_set_32value(atom->pos, trak->size); | |
1464 } | |
1465 | |
1466 | |
1467 static ngx_int_t | |
1468 ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1469 { | |
1470 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
1471 "\"%s\" mp4 compressed moov atom (cmov) is not supported", | |
1472 mp4->file.name.data); | |
1473 | |
1474 return NGX_ERROR; | |
1475 } | |
1476 | |
1477 | |
1478 typedef struct { | |
1479 u_char size[4]; | |
1480 u_char name[4]; | |
1481 u_char version[1]; | |
1482 u_char flags[3]; | |
1483 u_char creation_time[4]; | |
1484 u_char modification_time[4]; | |
1485 u_char track_id[4]; | |
1486 u_char reserved1[4]; | |
1487 u_char duration[4]; | |
1488 u_char reserved2[8]; | |
1489 u_char layer[2]; | |
1490 u_char group[2]; | |
1491 u_char volume[2]; | |
6504 | 1492 u_char reserved3[2]; |
4085 | 1493 u_char matrix[36]; |
1494 u_char width[4]; | |
6504 | 1495 u_char height[4]; |
4085 | 1496 } ngx_mp4_tkhd_atom_t; |
1497 | |
1498 typedef struct { | |
1499 u_char size[4]; | |
1500 u_char name[4]; | |
1501 u_char version[1]; | |
1502 u_char flags[3]; | |
1503 u_char creation_time[8]; | |
1504 u_char modification_time[8]; | |
1505 u_char track_id[4]; | |
1506 u_char reserved1[4]; | |
1507 u_char duration[8]; | |
1508 u_char reserved2[8]; | |
1509 u_char layer[2]; | |
1510 u_char group[2]; | |
1511 u_char volume[2]; | |
6504 | 1512 u_char reserved3[2]; |
4085 | 1513 u_char matrix[36]; |
1514 u_char width[4]; | |
6504 | 1515 u_char height[4]; |
4085 | 1516 } ngx_mp4_tkhd64_atom_t; |
1517 | |
1518 | |
1519 static ngx_int_t | |
1520 ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1521 { | |
1522 u_char *atom_header; | |
1523 size_t atom_size; | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
1524 uint64_t duration, start_time, length_time; |
4085 | 1525 ngx_buf_t *atom; |
1526 ngx_http_mp4_trak_t *trak; | |
1527 ngx_mp4_tkhd_atom_t *tkhd_atom; | |
1528 ngx_mp4_tkhd64_atom_t *tkhd64_atom; | |
1529 | |
1530 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 tkhd atom"); | |
1531 | |
1532 atom_header = ngx_mp4_atom_header(mp4); | |
1533 tkhd_atom = (ngx_mp4_tkhd_atom_t *) atom_header; | |
1534 tkhd64_atom = (ngx_mp4_tkhd64_atom_t *) atom_header; | |
1535 ngx_mp4_set_atom_name(tkhd_atom, 't', 'k', 'h', 'd'); | |
1536 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1537 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1538 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1539 "\"%s\" mp4 tkhd atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1540 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
1541 } |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1542 |
4085 | 1543 if (tkhd_atom->version[0] == 0) { |
1544 /* version 0: 32-bit duration */ | |
1545 duration = ngx_mp4_get_32value(tkhd_atom->duration); | |
1546 | |
1547 } else { | |
1548 /* version 1: 64-bit duration */ | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1549 |
3f874d645f45
Mp4: sanity checks cleanup.
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diff
changeset
|
1550 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd64_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1551 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1552 "\"%s\" mp4 tkhd atom too small", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
1553 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1554 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1555 } |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1556 |
4085 | 1557 duration = ngx_mp4_get_64value(tkhd64_atom->duration); |
1558 } | |
1559 | |
1560 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1561 "tkhd duration:%uL, time:%.3fs", | |
1562 duration, (double) duration / mp4->timescale); | |
1563 | |
5543
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1564 start_time = (uint64_t) mp4->start * mp4->timescale / 1000; |
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1565 |
5629
c7bbc5fcf27c
Mp4: fixed seeking to a track end.
Roman Arutyunyan <arut@nginx.com>
parents:
5622
diff
changeset
|
1566 if (duration <= start_time) { |
5543
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1567 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1568 "tkhd duration is less than start time"); |
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1569 return NGX_DECLINED; |
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1570 } |
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1571 |
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1572 duration -= start_time; |
4085 | 1573 |
5620
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1574 if (mp4->length) { |
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1575 length_time = (uint64_t) mp4->length * mp4->timescale / 1000; |
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1576 |
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1577 if (duration > length_time) { |
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1578 duration = length_time; |
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1579 } |
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1580 } |
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1581 |
4085 | 1582 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
1583 "tkhd new duration:%uL, time:%.3fs", | |
1584 duration, (double) duration / mp4->timescale); | |
1585 | |
1586 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1587 | |
1588 trak = ngx_mp4_last_trak(mp4); | |
1589 trak->tkhd_size = atom_size; | |
1590 | |
1591 ngx_mp4_set_32value(tkhd_atom->size, atom_size); | |
1592 | |
1593 if (tkhd_atom->version[0] == 0) { | |
1594 ngx_mp4_set_32value(tkhd_atom->duration, duration); | |
1595 | |
1596 } else { | |
1597 ngx_mp4_set_64value(tkhd64_atom->duration, duration); | |
1598 } | |
1599 | |
1600 atom = &trak->tkhd_atom_buf; | |
1601 atom->temporary = 1; | |
1602 atom->pos = atom_header; | |
1603 atom->last = atom_header + atom_size; | |
1604 | |
1605 trak->out[NGX_HTTP_MP4_TKHD_ATOM].buf = atom; | |
1606 | |
1607 ngx_mp4_atom_next(mp4, atom_data_size); | |
1608 | |
1609 return NGX_OK; | |
1610 } | |
1611 | |
1612 | |
1613 static ngx_int_t | |
1614 ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1615 { | |
1616 u_char *atom_header; | |
1617 ngx_buf_t *atom; | |
1618 ngx_http_mp4_trak_t *trak; | |
1619 | |
1620 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process mdia atom"); | |
1621 | |
1622 atom_header = ngx_mp4_atom_header(mp4); | |
1623 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'i', 'a'); | |
1624 | |
1625 trak = ngx_mp4_last_trak(mp4); | |
1626 | |
1627 atom = &trak->mdia_atom_buf; | |
1628 atom->temporary = 1; | |
1629 atom->pos = atom_header; | |
1630 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1631 | |
1632 trak->out[NGX_HTTP_MP4_MDIA_ATOM].buf = atom; | |
1633 | |
1634 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_mdia_atoms, atom_data_size); | |
1635 } | |
1636 | |
1637 | |
1638 static void | |
1639 ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
1640 ngx_http_mp4_trak_t *trak) | |
1641 { | |
1642 ngx_buf_t *atom; | |
1643 | |
1644 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1645 atom = &trak->mdia_atom_buf; | |
1646 ngx_mp4_set_32value(atom->pos, trak->size); | |
1647 } | |
1648 | |
1649 | |
1650 typedef struct { | |
1651 u_char size[4]; | |
1652 u_char name[4]; | |
1653 u_char version[1]; | |
1654 u_char flags[3]; | |
1655 u_char creation_time[4]; | |
1656 u_char modification_time[4]; | |
1657 u_char timescale[4]; | |
1658 u_char duration[4]; | |
1659 u_char language[2]; | |
1660 u_char quality[2]; | |
1661 } ngx_mp4_mdhd_atom_t; | |
1662 | |
1663 typedef struct { | |
1664 u_char size[4]; | |
1665 u_char name[4]; | |
1666 u_char version[1]; | |
1667 u_char flags[3]; | |
1668 u_char creation_time[8]; | |
1669 u_char modification_time[8]; | |
1670 u_char timescale[4]; | |
1671 u_char duration[8]; | |
1672 u_char language[2]; | |
1673 u_char quality[2]; | |
1674 } ngx_mp4_mdhd64_atom_t; | |
1675 | |
1676 | |
1677 static ngx_int_t | |
1678 ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1679 { | |
1680 u_char *atom_header; | |
1681 size_t atom_size; | |
1682 uint32_t timescale; | |
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1683 uint64_t duration, start_time, length_time; |
4085 | 1684 ngx_buf_t *atom; |
1685 ngx_http_mp4_trak_t *trak; | |
1686 ngx_mp4_mdhd_atom_t *mdhd_atom; | |
1687 ngx_mp4_mdhd64_atom_t *mdhd64_atom; | |
1688 | |
1689 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdhd atom"); | |
1690 | |
1691 atom_header = ngx_mp4_atom_header(mp4); | |
1692 mdhd_atom = (ngx_mp4_mdhd_atom_t *) atom_header; | |
1693 mdhd64_atom = (ngx_mp4_mdhd64_atom_t *) atom_header; | |
1694 ngx_mp4_set_atom_name(mdhd_atom, 'm', 'd', 'h', 'd'); | |
1695 | |
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1696 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd_atom_t) > atom_data_size) { |
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1697 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1698 "\"%s\" mp4 mdhd atom too small", mp4->file.name.data); |
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1699 return NGX_ERROR; |
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1700 } |
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1701 |
4085 | 1702 if (mdhd_atom->version[0] == 0) { |
1703 /* version 0: everything is 32-bit */ | |
1704 timescale = ngx_mp4_get_32value(mdhd_atom->timescale); | |
1705 duration = ngx_mp4_get_32value(mdhd_atom->duration); | |
1706 | |
1707 } else { | |
1708 /* version 1: 64-bit duration and 32-bit timescale */ | |
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1709 |
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1710 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd64_atom_t) > atom_data_size) { |
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1711 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1712 "\"%s\" mp4 mdhd atom too small", |
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1713 mp4->file.name.data); |
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1714 return NGX_ERROR; |
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1715 } |
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1716 |
4085 | 1717 timescale = ngx_mp4_get_32value(mdhd64_atom->timescale); |
1718 duration = ngx_mp4_get_64value(mdhd64_atom->duration); | |
1719 } | |
1720 | |
1721 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1722 "mdhd timescale:%uD, duration:%uL, time:%.3fs", | |
1723 timescale, duration, (double) duration / timescale); | |
1724 | |
5543
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5542
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1725 start_time = (uint64_t) mp4->start * timescale / 1000; |
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1726 |
5629
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1727 if (duration <= start_time) { |
5543
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1728 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1729 "mdhd duration is less than start time"); |
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1730 return NGX_DECLINED; |
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1731 } |
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1732 |
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1733 duration -= start_time; |
4085 | 1734 |
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1735 if (mp4->length) { |
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1736 length_time = (uint64_t) mp4->length * timescale / 1000; |
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1737 |
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1738 if (duration > length_time) { |
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1739 duration = length_time; |
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1740 } |
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1741 } |
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1742 |
4085 | 1743 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
1744 "mdhd new duration:%uL, time:%.3fs", | |
1745 duration, (double) duration / timescale); | |
1746 | |
1747 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1748 | |
1749 trak = ngx_mp4_last_trak(mp4); | |
1750 trak->mdhd_size = atom_size; | |
1751 trak->timescale = timescale; | |
1752 | |
1753 ngx_mp4_set_32value(mdhd_atom->size, atom_size); | |
1754 | |
1755 if (mdhd_atom->version[0] == 0) { | |
1756 ngx_mp4_set_32value(mdhd_atom->duration, duration); | |
1757 | |
1758 } else { | |
1759 ngx_mp4_set_64value(mdhd64_atom->duration, duration); | |
1760 } | |
1761 | |
1762 atom = &trak->mdhd_atom_buf; | |
1763 atom->temporary = 1; | |
1764 atom->pos = atom_header; | |
1765 atom->last = atom_header + atom_size; | |
1766 | |
1767 trak->out[NGX_HTTP_MP4_MDHD_ATOM].buf = atom; | |
1768 | |
1769 ngx_mp4_atom_next(mp4, atom_data_size); | |
1770 | |
1771 return NGX_OK; | |
1772 } | |
1773 | |
1774 | |
1775 static ngx_int_t | |
1776 ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1777 { | |
1778 u_char *atom_header; | |
1779 size_t atom_size; | |
1780 ngx_buf_t *atom; | |
1781 ngx_http_mp4_trak_t *trak; | |
1782 | |
1783 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 hdlr atom"); | |
1784 | |
1785 atom_header = ngx_mp4_atom_header(mp4); | |
1786 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1787 ngx_mp4_set_32value(atom_header, atom_size); | |
1788 ngx_mp4_set_atom_name(atom_header, 'h', 'd', 'l', 'r'); | |
1789 | |
1790 trak = ngx_mp4_last_trak(mp4); | |
1791 | |
1792 atom = &trak->hdlr_atom_buf; | |
1793 atom->temporary = 1; | |
1794 atom->pos = atom_header; | |
1795 atom->last = atom_header + atom_size; | |
1796 | |
1797 trak->hdlr_size = atom_size; | |
1798 trak->out[NGX_HTTP_MP4_HDLR_ATOM].buf = atom; | |
1799 | |
1800 ngx_mp4_atom_next(mp4, atom_data_size); | |
1801 | |
1802 return NGX_OK; | |
1803 } | |
1804 | |
1805 | |
1806 static ngx_int_t | |
1807 ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1808 { | |
1809 u_char *atom_header; | |
1810 ngx_buf_t *atom; | |
1811 ngx_http_mp4_trak_t *trak; | |
1812 | |
1813 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process minf atom"); | |
1814 | |
1815 atom_header = ngx_mp4_atom_header(mp4); | |
1816 ngx_mp4_set_atom_name(atom_header, 'm', 'i', 'n', 'f'); | |
1817 | |
1818 trak = ngx_mp4_last_trak(mp4); | |
1819 | |
1820 atom = &trak->minf_atom_buf; | |
1821 atom->temporary = 1; | |
1822 atom->pos = atom_header; | |
1823 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1824 | |
1825 trak->out[NGX_HTTP_MP4_MINF_ATOM].buf = atom; | |
1826 | |
1827 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_minf_atoms, atom_data_size); | |
1828 } | |
1829 | |
1830 | |
1831 static void | |
1832 ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
1833 ngx_http_mp4_trak_t *trak) | |
1834 { | |
1835 ngx_buf_t *atom; | |
1836 | |
1837 trak->size += sizeof(ngx_mp4_atom_header_t) | |
1838 + trak->vmhd_size | |
1839 + trak->smhd_size | |
1840 + trak->dinf_size; | |
1841 atom = &trak->minf_atom_buf; | |
1842 ngx_mp4_set_32value(atom->pos, trak->size); | |
1843 } | |
1844 | |
1845 | |
1846 static ngx_int_t | |
1847 ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1848 { | |
1849 u_char *atom_header; | |
1850 size_t atom_size; | |
1851 ngx_buf_t *atom; | |
1852 ngx_http_mp4_trak_t *trak; | |
1853 | |
1854 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 vmhd atom"); | |
1855 | |
1856 atom_header = ngx_mp4_atom_header(mp4); | |
1857 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1858 ngx_mp4_set_32value(atom_header, atom_size); | |
1859 ngx_mp4_set_atom_name(atom_header, 'v', 'm', 'h', 'd'); | |
1860 | |
1861 trak = ngx_mp4_last_trak(mp4); | |
1862 | |
1863 atom = &trak->vmhd_atom_buf; | |
1864 atom->temporary = 1; | |
1865 atom->pos = atom_header; | |
1866 atom->last = atom_header + atom_size; | |
1867 | |
1868 trak->vmhd_size += atom_size; | |
1869 trak->out[NGX_HTTP_MP4_VMHD_ATOM].buf = atom; | |
1870 | |
1871 ngx_mp4_atom_next(mp4, atom_data_size); | |
1872 | |
1873 return NGX_OK; | |
1874 } | |
1875 | |
1876 | |
1877 static ngx_int_t | |
1878 ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1879 { | |
1880 u_char *atom_header; | |
1881 size_t atom_size; | |
1882 ngx_buf_t *atom; | |
1883 ngx_http_mp4_trak_t *trak; | |
1884 | |
1885 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 smhd atom"); | |
1886 | |
1887 atom_header = ngx_mp4_atom_header(mp4); | |
1888 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1889 ngx_mp4_set_32value(atom_header, atom_size); | |
1890 ngx_mp4_set_atom_name(atom_header, 's', 'm', 'h', 'd'); | |
1891 | |
1892 trak = ngx_mp4_last_trak(mp4); | |
1893 | |
1894 atom = &trak->smhd_atom_buf; | |
1895 atom->temporary = 1; | |
1896 atom->pos = atom_header; | |
1897 atom->last = atom_header + atom_size; | |
1898 | |
5807
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1899 trak->smhd_size += atom_size; |
4085 | 1900 trak->out[NGX_HTTP_MP4_SMHD_ATOM].buf = atom; |
1901 | |
1902 ngx_mp4_atom_next(mp4, atom_data_size); | |
1903 | |
1904 return NGX_OK; | |
1905 } | |
1906 | |
1907 | |
1908 static ngx_int_t | |
1909 ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1910 { | |
1911 u_char *atom_header; | |
1912 size_t atom_size; | |
1913 ngx_buf_t *atom; | |
1914 ngx_http_mp4_trak_t *trak; | |
1915 | |
1916 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 dinf atom"); | |
1917 | |
1918 atom_header = ngx_mp4_atom_header(mp4); | |
1919 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1920 ngx_mp4_set_32value(atom_header, atom_size); | |
1921 ngx_mp4_set_atom_name(atom_header, 'd', 'i', 'n', 'f'); | |
1922 | |
1923 trak = ngx_mp4_last_trak(mp4); | |
1924 | |
1925 atom = &trak->dinf_atom_buf; | |
1926 atom->temporary = 1; | |
1927 atom->pos = atom_header; | |
1928 atom->last = atom_header + atom_size; | |
1929 | |
1930 trak->dinf_size += atom_size; | |
1931 trak->out[NGX_HTTP_MP4_DINF_ATOM].buf = atom; | |
1932 | |
1933 ngx_mp4_atom_next(mp4, atom_data_size); | |
1934 | |
1935 return NGX_OK; | |
1936 } | |
1937 | |
1938 | |
1939 static ngx_int_t | |
1940 ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1941 { | |
1942 u_char *atom_header; | |
1943 ngx_buf_t *atom; | |
1944 ngx_http_mp4_trak_t *trak; | |
1945 | |
1946 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process stbl atom"); | |
1947 | |
1948 atom_header = ngx_mp4_atom_header(mp4); | |
1949 ngx_mp4_set_atom_name(atom_header, 's', 't', 'b', 'l'); | |
1950 | |
1951 trak = ngx_mp4_last_trak(mp4); | |
1952 | |
1953 atom = &trak->stbl_atom_buf; | |
1954 atom->temporary = 1; | |
1955 atom->pos = atom_header; | |
1956 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1957 | |
1958 trak->out[NGX_HTTP_MP4_STBL_ATOM].buf = atom; | |
1959 | |
1960 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_stbl_atoms, atom_data_size); | |
1961 } | |
1962 | |
1963 | |
1964 static void | |
1965 ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
1966 ngx_http_mp4_trak_t *trak) | |
1967 { | |
1968 ngx_buf_t *atom; | |
1969 | |
1970 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1971 atom = &trak->stbl_atom_buf; | |
1972 ngx_mp4_set_32value(atom->pos, trak->size); | |
1973 } | |
1974 | |
1975 | |
1976 typedef struct { | |
1977 u_char size[4]; | |
1978 u_char name[4]; | |
1979 u_char version[1]; | |
1980 u_char flags[3]; | |
1981 u_char entries[4]; | |
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1982 |
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1983 u_char media_size[4]; |
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1984 u_char media_name[4]; |
4085 | 1985 } ngx_mp4_stsd_atom_t; |
1986 | |
1987 | |
1988 static ngx_int_t | |
1989 ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1990 { | |
1991 u_char *atom_header, *atom_table; | |
1992 size_t atom_size; | |
1993 ngx_buf_t *atom; | |
1994 ngx_mp4_stsd_atom_t *stsd_atom; | |
1995 ngx_http_mp4_trak_t *trak; | |
1996 | |
1997 /* sample description atom */ | |
1998 | |
1999 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsd atom"); | |
2000 | |
2001 atom_header = ngx_mp4_atom_header(mp4); | |
2002 stsd_atom = (ngx_mp4_stsd_atom_t *) atom_header; | |
2003 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
2004 atom_table = atom_header + atom_size; | |
2005 ngx_mp4_set_32value(stsd_atom->size, atom_size); | |
2006 ngx_mp4_set_atom_name(stsd_atom, 's', 't', 's', 'd'); | |
2007 | |
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2008 if (ngx_mp4_atom_data_size(ngx_mp4_stsd_atom_t) > atom_data_size) { |
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2009 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2010 "\"%s\" mp4 stsd atom too small", mp4->file.name.data); |
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2011 return NGX_ERROR; |
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2012 } |
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2013 |
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2014 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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2015 "stsd entries:%uD, media:%*s", |
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2016 ngx_mp4_get_32value(stsd_atom->entries), |
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2017 (size_t) 4, stsd_atom->media_name); |
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2018 |
4085 | 2019 trak = ngx_mp4_last_trak(mp4); |
2020 | |
2021 atom = &trak->stsd_atom_buf; | |
2022 atom->temporary = 1; | |
2023 atom->pos = atom_header; | |
2024 atom->last = atom_table; | |
2025 | |
2026 trak->out[NGX_HTTP_MP4_STSD_ATOM].buf = atom; | |
2027 trak->size += atom_size; | |
2028 | |
2029 ngx_mp4_atom_next(mp4, atom_data_size); | |
2030 | |
2031 return NGX_OK; | |
2032 } | |
2033 | |
2034 | |
2035 typedef struct { | |
2036 u_char size[4]; | |
2037 u_char name[4]; | |
2038 u_char version[1]; | |
2039 u_char flags[3]; | |
2040 u_char entries[4]; | |
2041 } ngx_mp4_stts_atom_t; | |
2042 | |
2043 typedef struct { | |
2044 u_char count[4]; | |
2045 u_char duration[4]; | |
2046 } ngx_mp4_stts_entry_t; | |
2047 | |
2048 | |
2049 static ngx_int_t | |
2050 ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2051 { | |
2052 u_char *atom_header, *atom_table, *atom_end; | |
2053 uint32_t entries; | |
2054 ngx_buf_t *atom, *data; | |
2055 ngx_mp4_stts_atom_t *stts_atom; | |
2056 ngx_http_mp4_trak_t *trak; | |
2057 | |
2058 /* time-to-sample atom */ | |
2059 | |
2060 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stts atom"); | |
2061 | |
2062 atom_header = ngx_mp4_atom_header(mp4); | |
2063 stts_atom = (ngx_mp4_stts_atom_t *) atom_header; | |
2064 ngx_mp4_set_atom_name(stts_atom, 's', 't', 't', 's'); | |
2065 | |
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2066 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) > atom_data_size) { |
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2067 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2068 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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2069 return NGX_ERROR; |
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2070 } |
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2071 |
4085 | 2072 entries = ngx_mp4_get_32value(stts_atom->entries); |
2073 | |
2074 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2075 "mp4 time-to-sample entries:%uD", entries); |
4085 | 2076 |
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2077 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) |
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2078 + entries * sizeof(ngx_mp4_stts_entry_t) > atom_data_size) |
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2079 { |
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2080 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2081 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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2082 return NGX_ERROR; |
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2083 } |
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2084 |
4085 | 2085 atom_table = atom_header + sizeof(ngx_mp4_stts_atom_t); |
2086 atom_end = atom_table + entries * sizeof(ngx_mp4_stts_entry_t); | |
2087 | |
2088 trak = ngx_mp4_last_trak(mp4); | |
2089 trak->time_to_sample_entries = entries; | |
2090 | |
2091 atom = &trak->stts_atom_buf; | |
2092 atom->temporary = 1; | |
2093 atom->pos = atom_header; | |
2094 atom->last = atom_table; | |
2095 | |
2096 data = &trak->stts_data_buf; | |
2097 data->temporary = 1; | |
2098 data->pos = atom_table; | |
2099 data->last = atom_end; | |
2100 | |
2101 trak->out[NGX_HTTP_MP4_STTS_ATOM].buf = atom; | |
2102 trak->out[NGX_HTTP_MP4_STTS_DATA].buf = data; | |
2103 | |
2104 ngx_mp4_atom_next(mp4, atom_data_size); | |
2105 | |
2106 return NGX_OK; | |
2107 } | |
2108 | |
2109 | |
2110 static ngx_int_t | |
2111 ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
2112 ngx_http_mp4_trak_t *trak) | |
2113 { | |
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2114 size_t atom_size; |
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2115 ngx_buf_t *atom, *data; |
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2116 ngx_mp4_stts_atom_t *stts_atom; |
4085 | 2117 |
2118 /* | |
2119 * mdia.minf.stbl.stts updating requires trak->timescale | |
2120 * from mdia.mdhd atom which may reside after mdia.minf | |
2121 */ | |
2122 | |
2123 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2124 "mp4 stts atom update"); | |
2125 | |
2126 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; | |
2127 | |
2128 if (data == NULL) { | |
2129 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2130 "no mp4 stts atoms were found in \"%s\"", | |
2131 mp4->file.name.data); | |
2132 return NGX_ERROR; | |
2133 } | |
2134 | |
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2135 if (ngx_http_mp4_crop_stts_data(mp4, trak, 1) != NGX_OK) { |
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2136 return NGX_ERROR; |
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|
2137 } |
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|
2138 |
0a567878254b
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diff
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|
2139 if (ngx_http_mp4_crop_stts_data(mp4, trak, 0) != NGX_OK) { |
5619
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2140 return NGX_ERROR; |
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|
2141 } |
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|
2142 |
5630
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|
2143 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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2144 "time-to-sample entries:%uD", trak->time_to_sample_entries); |
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|
2145 |
5619
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|
2146 atom_size = sizeof(ngx_mp4_stts_atom_t) + (data->last - data->pos); |
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|
2147 trak->size += atom_size; |
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2148 |
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2149 atom = trak->out[NGX_HTTP_MP4_STTS_ATOM].buf; |
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2150 stts_atom = (ngx_mp4_stts_atom_t *) atom->pos; |
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2151 ngx_mp4_set_32value(stts_atom->size, atom_size); |
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2152 ngx_mp4_set_32value(stts_atom->entries, trak->time_to_sample_entries); |
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2153 |
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2154 return NGX_OK; |
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2155 } |
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2156 |
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2157 |
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2158 static ngx_int_t |
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2159 ngx_http_mp4_crop_stts_data(ngx_http_mp4_file_t *mp4, |
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2160 ngx_http_mp4_trak_t *trak, ngx_uint_t start) |
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2161 { |
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2162 uint32_t count, duration, rest; |
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2163 uint64_t start_time; |
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2164 ngx_buf_t *data; |
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2165 ngx_uint_t start_sample, entries, start_sec; |
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2166 ngx_mp4_stts_entry_t *entry, *end; |
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2167 |
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2168 if (start) { |
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2169 start_sec = mp4->start; |
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2170 |
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2171 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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2172 "mp4 stts crop start_time:%ui", start_sec); |
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2173 |
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2174 } else if (mp4->length) { |
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2175 start_sec = mp4->length; |
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2176 |
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|
2177 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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|
2178 "mp4 stts crop end_time:%ui", start_sec); |
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Mp4: improved logging after adding "end" support.
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|
2179 |
5620
0a567878254b
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|
2180 } else { |
0a567878254b
Mp4: added "end" argument support.
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diff
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|
2181 return NGX_OK; |
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|
2182 } |
0a567878254b
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|
2183 |
5619
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diff
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|
2184 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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|
2185 |
5620
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diff
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|
2186 start_time = (uint64_t) start_sec * trak->timescale / 1000; |
4085 | 2187 |
5619
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|
2188 entries = trak->time_to_sample_entries; |
4085 | 2189 start_sample = 0; |
2190 entry = (ngx_mp4_stts_entry_t *) data->pos; | |
2191 end = (ngx_mp4_stts_entry_t *) data->last; | |
2192 | |
2193 while (entry < end) { | |
2194 count = ngx_mp4_get_32value(entry->count); | |
2195 duration = ngx_mp4_get_32value(entry->duration); | |
2196 | |
5630
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|
2197 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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|
2198 "time:%uL, count:%uD, duration:%uD", |
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|
2199 start_time, count, duration); |
4085 | 2200 |
4306 | 2201 if (start_time < (uint64_t) count * duration) { |
4085 | 2202 start_sample += (ngx_uint_t) (start_time / duration); |
5620
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|
2203 rest = (uint32_t) (start_time / duration); |
4085 | 2204 goto found; |
2205 } | |
2206 | |
2207 start_sample += count; | |
2208 start_time -= count * duration; | |
2209 entries--; | |
2210 entry++; | |
2211 } | |
2212 | |
5638
0c0dd1aacdf5
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|
2213 if (start) { |
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|
2214 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
0c0dd1aacdf5
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|
2215 "start time is out mp4 stts samples in \"%s\"", |
0c0dd1aacdf5
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diff
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|
2216 mp4->file.name.data); |
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|
2217 |
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|
2218 return NGX_ERROR; |
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|
2219 |
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|
2220 } else { |
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|
2221 trak->end_sample = trak->start_sample + start_sample; |
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|
2222 |
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2223 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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|
2224 "end_sample:%ui", trak->end_sample); |
0c0dd1aacdf5
Mp4: allow end values bigger than track duration.
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|
2225 |
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|
2226 return NGX_OK; |
0c0dd1aacdf5
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|
2227 } |
4085 | 2228 |
2229 found: | |
2230 | |
5620
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Mp4: added "end" argument support.
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|
2231 if (start) { |
0a567878254b
Mp4: added "end" argument support.
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|
2232 ngx_mp4_set_32value(entry->count, count - rest); |
0a567878254b
Mp4: added "end" argument support.
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|
2233 data->pos = (u_char *) entry; |
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diff
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|
2234 trak->time_to_sample_entries = entries; |
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|
2235 trak->start_sample = start_sample; |
0a567878254b
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|
2236 |
5630
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|
2237 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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|
2238 "start_sample:%ui, new count:%uD", |
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|
2239 trak->start_sample, count - rest); |
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|
2240 |
5620
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|
2241 } else { |
0a567878254b
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|
2242 ngx_mp4_set_32value(entry->count, rest); |
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|
2243 data->last = (u_char *) (entry + 1); |
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2244 trak->time_to_sample_entries -= entries - 1; |
0a567878254b
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|
2245 trak->end_sample = trak->start_sample + start_sample; |
5630
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|
2246 |
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|
2247 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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|
2248 "end_sample:%ui, new count:%uD", |
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|
2249 trak->end_sample, rest); |
5620
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diff
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|
2250 } |
4085 | 2251 |
2252 return NGX_OK; | |
2253 } | |
2254 | |
2255 | |
2256 typedef struct { | |
2257 u_char size[4]; | |
2258 u_char name[4]; | |
2259 u_char version[1]; | |
2260 u_char flags[3]; | |
2261 u_char entries[4]; | |
2262 } ngx_http_mp4_stss_atom_t; | |
2263 | |
2264 | |
2265 static ngx_int_t | |
2266 ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2267 { | |
2268 u_char *atom_header, *atom_table, *atom_end; | |
2269 uint32_t entries; | |
2270 ngx_buf_t *atom, *data; | |
2271 ngx_http_mp4_trak_t *trak; | |
2272 ngx_http_mp4_stss_atom_t *stss_atom; | |
2273 | |
2274 /* sync samples atom */ | |
2275 | |
2276 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stss atom"); | |
2277 | |
2278 atom_header = ngx_mp4_atom_header(mp4); | |
2279 stss_atom = (ngx_http_mp4_stss_atom_t *) atom_header; | |
2280 ngx_mp4_set_atom_name(stss_atom, 's', 't', 's', 's'); | |
2281 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
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4579
diff
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|
2282 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) > atom_data_size) { |
3f874d645f45
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|
2283 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
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4579
diff
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|
2284 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
3f874d645f45
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diff
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|
2285 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
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4579
diff
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|
2286 } |
3f874d645f45
Mp4: sanity checks cleanup.
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4579
diff
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|
2287 |
4085 | 2288 entries = ngx_mp4_get_32value(stss_atom->entries); |
2289 | |
2290 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2291 "sync sample entries:%uD", entries); |
4085 | 2292 |
2293 trak = ngx_mp4_last_trak(mp4); | |
2294 trak->sync_samples_entries = entries; | |
2295 | |
2296 atom_table = atom_header + sizeof(ngx_http_mp4_stss_atom_t); | |
2297 | |
2298 atom = &trak->stss_atom_buf; | |
2299 atom->temporary = 1; | |
2300 atom->pos = atom_header; | |
2301 atom->last = atom_table; | |
2302 | |
4585
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diff
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|
2303 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) |
3f874d645f45
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|
2304 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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4579
diff
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|
2305 { |
4085 | 2306 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
4585
3f874d645f45
Mp4: sanity checks cleanup.
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4579
diff
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|
2307 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
4085 | 2308 return NGX_ERROR; |
2309 } | |
2310 | |
4585
3f874d645f45
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|
2311 atom_end = atom_table + entries * sizeof(uint32_t); |
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4579
diff
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|
2312 |
4085 | 2313 data = &trak->stss_data_buf; |
2314 data->temporary = 1; | |
2315 data->pos = atom_table; | |
2316 data->last = atom_end; | |
2317 | |
2318 trak->out[NGX_HTTP_MP4_STSS_ATOM].buf = atom; | |
2319 trak->out[NGX_HTTP_MP4_STSS_DATA].buf = data; | |
2320 | |
2321 ngx_mp4_atom_next(mp4, atom_data_size); | |
2322 | |
2323 return NGX_OK; | |
2324 } | |
2325 | |
2326 | |
2327 static ngx_int_t | |
2328 ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
2329 ngx_http_mp4_trak_t *trak) | |
2330 { | |
2331 size_t atom_size; | |
5619
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diff
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|
2332 uint32_t sample, start_sample, *entry, *end; |
4085 | 2333 ngx_buf_t *atom, *data; |
2334 ngx_http_mp4_stss_atom_t *stss_atom; | |
2335 | |
2336 /* | |
2337 * mdia.minf.stbl.stss updating requires trak->start_sample | |
2338 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2339 * atom which may reside after mdia.minf | |
2340 */ | |
2341 | |
2342 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2343 "mp4 stss atom update"); | |
2344 | |
2345 data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; | |
2346 | |
2347 if (data == NULL) { | |
2348 return NGX_OK; | |
2349 } | |
2350 | |
5620
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|
2351 ngx_http_mp4_crop_stss_data(mp4, trak, 1); |
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|
2352 ngx_http_mp4_crop_stss_data(mp4, trak, 0); |
5619
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2353 |
5630
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|
2354 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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|
2355 "sync sample entries:%uD", trak->sync_samples_entries); |
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|
2356 |
5622
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diff
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|
2357 if (trak->sync_samples_entries) { |
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|
2358 entry = (uint32_t *) data->pos; |
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|
2359 end = (uint32_t *) data->last; |
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|
2360 |
a23c35496c2f
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|
2361 start_sample = trak->start_sample; |
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|
2362 |
a23c35496c2f
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|
2363 while (entry < end) { |
a23c35496c2f
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|
2364 sample = ngx_mp4_get_32value(entry); |
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|
2365 sample -= start_sample; |
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|
2366 ngx_mp4_set_32value(entry, sample); |
a23c35496c2f
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|
2367 entry++; |
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|
2368 } |
a23c35496c2f
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|
2369 |
a23c35496c2f
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|
2370 } else { |
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|
2371 trak->out[NGX_HTTP_MP4_STSS_DATA].buf = NULL; |
5619
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|
2372 } |
517b5b599e3f
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|
2373 |
517b5b599e3f
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|
2374 atom_size = sizeof(ngx_http_mp4_stss_atom_t) + (data->last - data->pos); |
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|
2375 trak->size += atom_size; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2376 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2377 atom = trak->out[NGX_HTTP_MP4_STSS_ATOM].buf; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2378 stss_atom = (ngx_http_mp4_stss_atom_t *) atom->pos; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2379 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2380 ngx_mp4_set_32value(stss_atom->size, atom_size); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2381 ngx_mp4_set_32value(stss_atom->entries, trak->sync_samples_entries); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2382 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2383 return NGX_OK; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2384 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2385 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2386 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2387 static void |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2388 ngx_http_mp4_crop_stss_data(ngx_http_mp4_file_t *mp4, |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2389 ngx_http_mp4_trak_t *trak, ngx_uint_t start) |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2390 { |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2391 uint32_t sample, start_sample, *entry, *end; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2392 ngx_buf_t *data; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
2393 ngx_uint_t entries; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2394 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2395 /* sync samples starts from 1 */ |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2396 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2397 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2398 start_sample = trak->start_sample + 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2399 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2400 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2401 "mp4 stss crop start_sample:%uD", start_sample); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2402 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2403 } else if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2404 start_sample = trak->end_sample + 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2405 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2406 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2407 "mp4 stss crop end_sample:%uD", start_sample); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2408 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2409 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2410 return; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2411 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2412 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2413 data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2414 |
4085 | 2415 entries = trak->sync_samples_entries; |
2416 entry = (uint32_t *) data->pos; | |
2417 end = (uint32_t *) data->last; | |
2418 | |
2419 while (entry < end) { | |
2420 sample = ngx_mp4_get_32value(entry); | |
2421 | |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2422 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2423 "sync:%uD", sample); |
4085 | 2424 |
2425 if (sample >= start_sample) { | |
2426 goto found; | |
2427 } | |
2428 | |
2429 entries--; | |
2430 entry++; | |
2431 } | |
2432 | |
5542
847c308917af
Mp4: fix seeks after the last key frame.
Roman Arutyunyan <arut@nginx.com>
parents:
5496
diff
changeset
|
2433 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2434 "sample is out of mp4 stss atom"); |
4085 | 2435 |
2436 found: | |
2437 | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2438 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2439 data->pos = (u_char *) entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2440 trak->sync_samples_entries = entries; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2441 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2442 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2443 data->last = (u_char *) entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2444 trak->sync_samples_entries -= entries; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2445 } |
4085 | 2446 } |
2447 | |
2448 | |
2449 typedef struct { | |
2450 u_char size[4]; | |
2451 u_char name[4]; | |
2452 u_char version[1]; | |
2453 u_char flags[3]; | |
2454 u_char entries[4]; | |
2455 } ngx_mp4_ctts_atom_t; | |
2456 | |
2457 typedef struct { | |
2458 u_char count[4]; | |
2459 u_char offset[4]; | |
2460 } ngx_mp4_ctts_entry_t; | |
2461 | |
2462 | |
2463 static ngx_int_t | |
2464 ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2465 { | |
2466 u_char *atom_header, *atom_table, *atom_end; | |
2467 uint32_t entries; | |
2468 ngx_buf_t *atom, *data; | |
2469 ngx_mp4_ctts_atom_t *ctts_atom; | |
2470 ngx_http_mp4_trak_t *trak; | |
2471 | |
2472 /* composition offsets atom */ | |
2473 | |
2474 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ctts atom"); | |
2475 | |
2476 atom_header = ngx_mp4_atom_header(mp4); | |
2477 ctts_atom = (ngx_mp4_ctts_atom_t *) atom_header; | |
2478 ngx_mp4_set_atom_name(ctts_atom, 'c', 't', 't', 's'); | |
2479 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2480 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2481 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2482 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2483 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2484 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2485 |
4085 | 2486 entries = ngx_mp4_get_32value(ctts_atom->entries); |
2487 | |
2488 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2489 "composition offset entries:%uD", entries); |
4085 | 2490 |
2491 trak = ngx_mp4_last_trak(mp4); | |
2492 trak->composition_offset_entries = entries; | |
2493 | |
2494 atom_table = atom_header + sizeof(ngx_mp4_ctts_atom_t); | |
2495 | |
2496 atom = &trak->ctts_atom_buf; | |
2497 atom->temporary = 1; | |
2498 atom->pos = atom_header; | |
2499 atom->last = atom_table; | |
2500 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2501 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2502 + entries * sizeof(ngx_mp4_ctts_entry_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2503 { |
4085 | 2504 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2505 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
4085 | 2506 return NGX_ERROR; |
2507 } | |
2508 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2509 atom_end = atom_table + entries * sizeof(ngx_mp4_ctts_entry_t); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2510 |
4085 | 2511 data = &trak->ctts_data_buf; |
2512 data->temporary = 1; | |
2513 data->pos = atom_table; | |
2514 data->last = atom_end; | |
2515 | |
2516 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = atom; | |
2517 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = data; | |
2518 | |
2519 ngx_mp4_atom_next(mp4, atom_data_size); | |
2520 | |
2521 return NGX_OK; | |
2522 } | |
2523 | |
2524 | |
2525 static void | |
2526 ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
2527 ngx_http_mp4_trak_t *trak) | |
2528 { | |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2529 size_t atom_size; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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parents:
5578
diff
changeset
|
2530 ngx_buf_t *atom, *data; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2531 ngx_mp4_ctts_atom_t *ctts_atom; |
4085 | 2532 |
2533 /* | |
2534 * mdia.minf.stbl.ctts updating requires trak->start_sample | |
2535 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2536 * atom which may reside after mdia.minf | |
2537 */ | |
2538 | |
2539 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2540 "mp4 ctts atom update"); | |
2541 | |
2542 data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf; | |
2543 | |
2544 if (data == NULL) { | |
2545 return; | |
2546 } | |
2547 | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2548 ngx_http_mp4_crop_ctts_data(mp4, trak, 1); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2549 ngx_http_mp4_crop_ctts_data(mp4, trak, 0); |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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5578
diff
changeset
|
2550 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2551 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
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parents:
5629
diff
changeset
|
2552 "composition offset entries:%uD", |
02584b335727
Mp4: improved logging after adding "end" support.
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5629
diff
changeset
|
2553 trak->composition_offset_entries); |
02584b335727
Mp4: improved logging after adding "end" support.
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parents:
5629
diff
changeset
|
2554 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2555 if (trak->composition_offset_entries == 0) { |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2556 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = NULL; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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5578
diff
changeset
|
2557 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = NULL; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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5578
diff
changeset
|
2558 return; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2559 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2560 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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5578
diff
changeset
|
2561 atom_size = sizeof(ngx_mp4_ctts_atom_t) + (data->last - data->pos); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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5578
diff
changeset
|
2562 trak->size += atom_size; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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parents:
5578
diff
changeset
|
2563 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2564 atom = trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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5578
diff
changeset
|
2565 ctts_atom = (ngx_mp4_ctts_atom_t *) atom->pos; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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5578
diff
changeset
|
2566 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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5578
diff
changeset
|
2567 ngx_mp4_set_32value(ctts_atom->size, atom_size); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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5578
diff
changeset
|
2568 ngx_mp4_set_32value(ctts_atom->entries, trak->composition_offset_entries); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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5578
diff
changeset
|
2569 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2570 return; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2571 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2572 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2573 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2574 static void |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2575 ngx_http_mp4_crop_ctts_data(ngx_http_mp4_file_t *mp4, |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2576 ngx_http_mp4_trak_t *trak, ngx_uint_t start) |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2577 { |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2578 uint32_t count, start_sample, rest; |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2579 ngx_buf_t *data; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2580 ngx_uint_t entries; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2581 ngx_mp4_ctts_entry_t *entry, *end; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2582 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2583 /* sync samples starts from 1 */ |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2584 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2585 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2586 start_sample = trak->start_sample + 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2587 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2588 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2589 "mp4 ctts crop start_sample:%uD", start_sample); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2590 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2591 } else if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2592 start_sample = trak->end_sample - trak->start_sample + 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2593 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2594 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2595 "mp4 ctts crop end_sample:%uD", start_sample); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2596 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2597 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2598 return; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2599 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2600 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2601 data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2602 |
4085 | 2603 entries = trak->composition_offset_entries; |
2604 entry = (ngx_mp4_ctts_entry_t *) data->pos; | |
2605 end = (ngx_mp4_ctts_entry_t *) data->last; | |
2606 | |
2607 while (entry < end) { | |
2608 count = ngx_mp4_get_32value(entry->count); | |
2609 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
2610 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2611 "sample:%uD, count:%uD, offset:%uD", |
4085 | 2612 start_sample, count, ngx_mp4_get_32value(entry->offset)); |
2613 | |
6474 | 2614 if (start_sample <= count) { |
2615 rest = start_sample - 1; | |
2616 goto found; | |
2617 } | |
2618 | |
2619 start_sample -= count; | |
2620 entries--; | |
2621 entry++; | |
4085 | 2622 } |
2623 | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2624 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2625 data->pos = (u_char *) end; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2626 trak->composition_offset_entries = 0; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2627 } |
4085 | 2628 |
2629 return; | |
2630 | |
2631 found: | |
2632 | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2633 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2634 ngx_mp4_set_32value(entry->count, count - rest); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2635 data->pos = (u_char *) entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2636 trak->composition_offset_entries = entries; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2637 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2638 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2639 ngx_mp4_set_32value(entry->count, rest); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2640 data->last = (u_char *) (entry + 1); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2641 trak->composition_offset_entries -= entries - 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2642 } |
4085 | 2643 } |
2644 | |
2645 | |
2646 typedef struct { | |
2647 u_char size[4]; | |
2648 u_char name[4]; | |
2649 u_char version[1]; | |
2650 u_char flags[3]; | |
2651 u_char entries[4]; | |
2652 } ngx_mp4_stsc_atom_t; | |
2653 | |
2654 | |
2655 static ngx_int_t | |
2656 ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2657 { | |
2658 u_char *atom_header, *atom_table, *atom_end; | |
2659 uint32_t entries; | |
2660 ngx_buf_t *atom, *data; | |
2661 ngx_mp4_stsc_atom_t *stsc_atom; | |
2662 ngx_http_mp4_trak_t *trak; | |
2663 | |
2664 /* sample-to-chunk atom */ | |
2665 | |
2666 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsc atom"); | |
2667 | |
2668 atom_header = ngx_mp4_atom_header(mp4); | |
2669 stsc_atom = (ngx_mp4_stsc_atom_t *) atom_header; | |
2670 ngx_mp4_set_atom_name(stsc_atom, 's', 't', 's', 'c'); | |
2671 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2672 if (ngx_mp4_atom_data_size(ngx_mp4_stsc_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2673 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2674 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2675 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2676 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2677 |
4085 | 2678 entries = ngx_mp4_get_32value(stsc_atom->entries); |
2679 | |
2680 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2681 "sample-to-chunk entries:%uD", entries); |
4085 | 2682 |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2683 if (ngx_mp4_atom_data_size(ngx_mp4_stsc_atom_t) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2684 + entries * sizeof(ngx_mp4_stsc_entry_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2685 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2686 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2687 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2688 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2689 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2690 |
4085 | 2691 atom_table = atom_header + sizeof(ngx_mp4_stsc_atom_t); |
2692 atom_end = atom_table + entries * sizeof(ngx_mp4_stsc_entry_t); | |
2693 | |
2694 trak = ngx_mp4_last_trak(mp4); | |
2695 trak->sample_to_chunk_entries = entries; | |
2696 | |
2697 atom = &trak->stsc_atom_buf; | |
2698 atom->temporary = 1; | |
2699 atom->pos = atom_header; | |
2700 atom->last = atom_table; | |
2701 | |
2702 data = &trak->stsc_data_buf; | |
2703 data->temporary = 1; | |
2704 data->pos = atom_table; | |
2705 data->last = atom_end; | |
2706 | |
2707 trak->out[NGX_HTTP_MP4_STSC_ATOM].buf = atom; | |
2708 trak->out[NGX_HTTP_MP4_STSC_DATA].buf = data; | |
2709 | |
2710 ngx_mp4_atom_next(mp4, atom_data_size); | |
2711 | |
2712 return NGX_OK; | |
2713 } | |
2714 | |
2715 | |
2716 static ngx_int_t | |
2717 ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
2718 ngx_http_mp4_trak_t *trak) | |
2719 { | |
2720 size_t atom_size; | |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2721 uint32_t chunk; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2722 ngx_buf_t *atom, *data; |
4085 | 2723 ngx_mp4_stsc_atom_t *stsc_atom; |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2724 ngx_mp4_stsc_entry_t *entry, *end; |
4085 | 2725 |
2726 /* | |
2727 * mdia.minf.stbl.stsc updating requires trak->start_sample | |
2728 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2729 * atom which may reside after mdia.minf | |
2730 */ | |
2731 | |
2732 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2733 "mp4 stsc atom update"); | |
2734 | |
2735 data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf; | |
2736 | |
2737 if (data == NULL) { | |
2738 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2739 "no mp4 stsc atoms were found in \"%s\"", | |
2740 mp4->file.name.data); | |
2741 return NGX_ERROR; | |
2742 } | |
2743 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2744 if (trak->sample_to_chunk_entries == 0) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2745 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2746 "zero number of entries in stsc atom in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2747 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2748 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2749 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2750 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2751 if (ngx_http_mp4_crop_stsc_data(mp4, trak, 1) != NGX_OK) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2752 return NGX_ERROR; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2753 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2754 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2755 if (ngx_http_mp4_crop_stsc_data(mp4, trak, 0) != NGX_OK) { |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2756 return NGX_ERROR; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2757 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2758 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2759 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2760 "sample-to-chunk entries:%uD", |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2761 trak->sample_to_chunk_entries); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2762 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2763 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2764 end = (ngx_mp4_stsc_entry_t *) data->last; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2765 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2766 while (entry < end) { |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2767 chunk = ngx_mp4_get_32value(entry->chunk); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2768 chunk -= trak->start_chunk; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2769 ngx_mp4_set_32value(entry->chunk, chunk); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2770 entry++; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2771 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2772 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2773 atom_size = sizeof(ngx_mp4_stsc_atom_t) |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2774 + trak->sample_to_chunk_entries * sizeof(ngx_mp4_stsc_entry_t); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2775 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2776 trak->size += atom_size; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2777 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2778 atom = trak->out[NGX_HTTP_MP4_STSC_ATOM].buf; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2779 stsc_atom = (ngx_mp4_stsc_atom_t *) atom->pos; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2780 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2781 ngx_mp4_set_32value(stsc_atom->size, atom_size); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2782 ngx_mp4_set_32value(stsc_atom->entries, trak->sample_to_chunk_entries); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2783 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2784 return NGX_OK; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2785 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2786 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2787 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2788 static ngx_int_t |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2789 ngx_http_mp4_crop_stsc_data(ngx_http_mp4_file_t *mp4, |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2790 ngx_http_mp4_trak_t *trak, ngx_uint_t start) |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2791 { |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2792 uint32_t start_sample, chunk, samples, id, next_chunk, n, |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2793 prev_samples; |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2794 ngx_buf_t *data, *buf; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2795 ngx_uint_t entries, target_chunk, chunk_samples; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2796 ngx_mp4_stsc_entry_t *entry, *end, *first; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2797 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2798 entries = trak->sample_to_chunk_entries - 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2799 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2800 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2801 start_sample = (uint32_t) trak->start_sample; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2802 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2803 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2804 "mp4 stsc crop start_sample:%uD", start_sample); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2805 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2806 } else if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2807 start_sample = (uint32_t) (trak->end_sample - trak->start_sample); |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2808 samples = 0; |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2809 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2810 data = trak->out[NGX_HTTP_MP4_STSC_START].buf; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2811 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2812 if (data) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2813 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2814 samples = ngx_mp4_get_32value(entry->samples); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2815 entries--; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2816 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2817 if (samples > start_sample) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2818 samples = start_sample; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2819 ngx_mp4_set_32value(entry->samples, samples); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2820 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2821 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2822 start_sample -= samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2823 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2824 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2825 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2826 "mp4 stsc crop end_sample:%uD, ext_samples:%uD", |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2827 start_sample, samples); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2828 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2829 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2830 return NGX_OK; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2831 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2832 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2833 data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2834 |
4085 | 2835 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
2836 end = (ngx_mp4_stsc_entry_t *) data->last; | |
2837 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2838 chunk = ngx_mp4_get_32value(entry->chunk); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2839 samples = ngx_mp4_get_32value(entry->samples); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2840 id = ngx_mp4_get_32value(entry->id); |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2841 prev_samples = 0; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2842 entry++; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2843 |
4085 | 2844 while (entry < end) { |
2845 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2846 next_chunk = ngx_mp4_get_32value(entry->chunk); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2847 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2848 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2849 "sample:%uD, chunk:%uD, chunks:%uD, " |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2850 "samples:%uD, id:%uD", |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2851 start_sample, chunk, next_chunk - chunk, samples, id); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2852 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2853 n = (next_chunk - chunk) * samples; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2854 |
5578
e280ece17020
Mp4: remove useless leading stsc entry in result mp4.
Roman Arutyunyan <arut@nginx.com>
parents:
5544
diff
changeset
|
2855 if (start_sample < n) { |
4085 | 2856 goto found; |
2857 } | |
2858 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2859 start_sample -= n; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2860 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2861 prev_samples = samples; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2862 chunk = next_chunk; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2863 samples = ngx_mp4_get_32value(entry->samples); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2864 id = ngx_mp4_get_32value(entry->id); |
4085 | 2865 entries--; |
2866 entry++; | |
2867 } | |
2868 | |
5544
2f586f1684fa
Mp4: fix seeks to standalone last chunk.
Roman Arutyunyan <arut@nginx.com>
parents:
5543
diff
changeset
|
2869 next_chunk = trak->chunks + 1; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2870 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2871 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2872 "sample:%uD, chunk:%uD, chunks:%uD, samples:%uD", |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2873 start_sample, chunk, next_chunk - chunk, samples); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2874 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2875 n = (next_chunk - chunk) * samples; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2876 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2877 if (start_sample > n) { |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2878 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2879 "%s time is out mp4 stsc chunks in \"%s\"", |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2880 start ? "start" : "end", mp4->file.name.data); |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2881 return NGX_ERROR; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2882 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2883 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2884 found: |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2885 |
4085 | 2886 entries++; |
2887 entry--; | |
2888 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2889 if (samples == 0) { |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2890 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2891 "zero number of samples in \"%s\"", |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2892 mp4->file.name.data); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2893 return NGX_ERROR; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2894 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2895 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2896 target_chunk = chunk - 1; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2897 target_chunk += start_sample / samples; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2898 chunk_samples = start_sample % samples; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2899 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2900 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2901 data->pos = (u_char *) entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2902 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2903 trak->sample_to_chunk_entries = entries; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2904 trak->start_chunk = target_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2905 trak->start_chunk_samples = chunk_samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2906 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2907 ngx_mp4_set_32value(entry->chunk, trak->start_chunk + 1); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2908 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2909 samples -= chunk_samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2910 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2911 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2912 "start_chunk:%ui, start_chunk_samples:%ui", |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2913 trak->start_chunk, trak->start_chunk_samples); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2914 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2915 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2916 if (start_sample) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2917 data->last = (u_char *) (entry + 1); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2918 trak->sample_to_chunk_entries -= entries - 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2919 trak->end_chunk_samples = samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2920 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2921 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2922 data->last = (u_char *) entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2923 trak->sample_to_chunk_entries -= entries; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2924 trak->end_chunk_samples = prev_samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2925 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2926 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2927 if (chunk_samples) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2928 trak->end_chunk = target_chunk + 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2929 trak->end_chunk_samples = chunk_samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2930 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2931 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2932 trak->end_chunk = target_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2933 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2934 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2935 samples = chunk_samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2936 next_chunk = chunk + 1; |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2937 |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2938 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2939 "end_chunk:%ui, end_chunk_samples:%ui", |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2940 trak->end_chunk, trak->end_chunk_samples); |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2941 } |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2942 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2943 if (chunk_samples && next_chunk - target_chunk == 2) { |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2944 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2945 ngx_mp4_set_32value(entry->samples, samples); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2946 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2947 } else if (chunk_samples && start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2948 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2949 first = &trak->stsc_start_chunk_entry; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2950 ngx_mp4_set_32value(first->chunk, 1); |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2951 ngx_mp4_set_32value(first->samples, samples); |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2952 ngx_mp4_set_32value(first->id, id); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2953 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2954 buf = &trak->stsc_start_chunk_buf; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2955 buf->temporary = 1; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2956 buf->pos = (u_char *) first; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2957 buf->last = (u_char *) first + sizeof(ngx_mp4_stsc_entry_t); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2958 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2959 trak->out[NGX_HTTP_MP4_STSC_START].buf = buf; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2960 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2961 ngx_mp4_set_32value(entry->chunk, trak->start_chunk + 2); |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2962 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2963 trak->sample_to_chunk_entries++; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2964 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2965 } else if (chunk_samples) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2966 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2967 first = &trak->stsc_end_chunk_entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2968 ngx_mp4_set_32value(first->chunk, trak->end_chunk - trak->start_chunk); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2969 ngx_mp4_set_32value(first->samples, samples); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2970 ngx_mp4_set_32value(first->id, id); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2971 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2972 buf = &trak->stsc_end_chunk_buf; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2973 buf->temporary = 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2974 buf->pos = (u_char *) first; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2975 buf->last = (u_char *) first + sizeof(ngx_mp4_stsc_entry_t); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2976 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2977 trak->out[NGX_HTTP_MP4_STSC_END].buf = buf; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2978 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2979 trak->sample_to_chunk_entries++; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2980 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2981 |
4085 | 2982 return NGX_OK; |
2983 } | |
2984 | |
2985 | |
2986 typedef struct { | |
2987 u_char size[4]; | |
2988 u_char name[4]; | |
2989 u_char version[1]; | |
2990 u_char flags[3]; | |
2991 u_char uniform_size[4]; | |
2992 u_char entries[4]; | |
2993 } ngx_mp4_stsz_atom_t; | |
2994 | |
2995 | |
2996 static ngx_int_t | |
2997 ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2998 { | |
2999 u_char *atom_header, *atom_table, *atom_end; | |
3000 size_t atom_size; | |
3001 uint32_t entries, size; | |
3002 ngx_buf_t *atom, *data; | |
3003 ngx_mp4_stsz_atom_t *stsz_atom; | |
3004 ngx_http_mp4_trak_t *trak; | |
3005 | |
3006 /* sample sizes atom */ | |
3007 | |
3008 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsz atom"); | |
3009 | |
3010 atom_header = ngx_mp4_atom_header(mp4); | |
3011 stsz_atom = (ngx_mp4_stsz_atom_t *) atom_header; | |
3012 ngx_mp4_set_atom_name(stsz_atom, 's', 't', 's', 'z'); | |
3013 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3014 if (ngx_mp4_atom_data_size(ngx_mp4_stsz_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3015 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3016 "\"%s\" mp4 stsz atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3017 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3018 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3019 |
4085 | 3020 size = ngx_mp4_get_32value(stsz_atom->uniform_size); |
3021 entries = ngx_mp4_get_32value(stsz_atom->entries); | |
3022 | |
3023 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3024 "sample uniform size:%uD, entries:%uD", size, entries); | |
3025 | |
3026 trak = ngx_mp4_last_trak(mp4); | |
3027 trak->sample_sizes_entries = entries; | |
3028 | |
3029 atom_table = atom_header + sizeof(ngx_mp4_stsz_atom_t); | |
3030 | |
3031 atom = &trak->stsz_atom_buf; | |
3032 atom->temporary = 1; | |
3033 atom->pos = atom_header; | |
3034 atom->last = atom_table; | |
3035 | |
3036 trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf = atom; | |
3037 | |
3038 if (size == 0) { | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3039 if (ngx_mp4_atom_data_size(ngx_mp4_stsz_atom_t) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3040 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3041 { |
4085 | 3042 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3043 "\"%s\" mp4 stsz atom too small", |
4085 | 3044 mp4->file.name.data); |
3045 return NGX_ERROR; | |
3046 } | |
3047 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3048 atom_end = atom_table + entries * sizeof(uint32_t); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3049 |
4085 | 3050 data = &trak->stsz_data_buf; |
3051 data->temporary = 1; | |
3052 data->pos = atom_table; | |
3053 data->last = atom_end; | |
3054 | |
3055 trak->out[NGX_HTTP_MP4_STSZ_DATA].buf = data; | |
3056 | |
3057 } else { | |
3058 /* if size != 0 then all samples are the same size */ | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3059 /* TODO : chunk samples */ |
4085 | 3060 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; |
3061 ngx_mp4_set_32value(atom_header, atom_size); | |
3062 trak->size += atom_size; | |
3063 } | |
3064 | |
3065 ngx_mp4_atom_next(mp4, atom_data_size); | |
3066 | |
3067 return NGX_OK; | |
3068 } | |
3069 | |
3070 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3071 static ngx_int_t |
4085 | 3072 ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
3073 ngx_http_mp4_trak_t *trak) | |
3074 { | |
3075 size_t atom_size; | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3076 uint32_t *pos, *end, entries; |
4085 | 3077 ngx_buf_t *atom, *data; |
3078 ngx_mp4_stsz_atom_t *stsz_atom; | |
3079 | |
3080 /* | |
3081 * mdia.minf.stbl.stsz updating requires trak->start_sample | |
3082 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
3083 * atom which may reside after mdia.minf | |
3084 */ | |
3085 | |
3086 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3087 "mp4 stsz atom update"); | |
3088 | |
3089 data = trak->out[NGX_HTTP_MP4_STSZ_DATA].buf; | |
3090 | |
3091 if (data) { | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3092 entries = trak->sample_sizes_entries; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3093 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3094 if (trak->start_sample > entries) { |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3095 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3096 "start time is out mp4 stsz samples in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3097 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3098 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3099 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3100 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3101 entries -= trak->start_sample; |
4085 | 3102 data->pos += trak->start_sample * sizeof(uint32_t); |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3103 end = (uint32_t *) data->pos; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3104 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3105 for (pos = end - trak->start_chunk_samples; pos < end; pos++) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3106 trak->start_chunk_samples_size += ngx_mp4_get_32value(pos); |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3107 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3108 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3109 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3110 "chunk samples sizes:%uL", |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3111 trak->start_chunk_samples_size); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3112 |
7629
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3113 if (trak->start_chunk_samples_size > (uint64_t) mp4->end) { |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3114 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3115 "too large mp4 start samples size in \"%s\"", |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3116 mp4->file.name.data); |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3117 return NGX_ERROR; |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3118 } |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3119 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3120 if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3121 if (trak->end_sample - trak->start_sample > entries) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3122 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3123 "end time is out mp4 stsz samples in \"%s\"", |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3124 mp4->file.name.data); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3125 return NGX_ERROR; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3126 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3127 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3128 entries = trak->end_sample - trak->start_sample; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3129 data->last = data->pos + entries * sizeof(uint32_t); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3130 end = (uint32_t *) data->last; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3131 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3132 for (pos = end - trak->end_chunk_samples; pos < end; pos++) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3133 trak->end_chunk_samples_size += ngx_mp4_get_32value(pos); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3134 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3135 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3136 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3137 "mp4 stsz end_chunk_samples_size:%uL", |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3138 trak->end_chunk_samples_size); |
7629
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3139 |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3140 if (trak->end_chunk_samples_size > (uint64_t) mp4->end) { |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3141 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3142 "too large mp4 end samples size in \"%s\"", |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3143 mp4->file.name.data); |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3144 return NGX_ERROR; |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3145 } |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3146 } |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3147 |
4085 | 3148 atom_size = sizeof(ngx_mp4_stsz_atom_t) + (data->last - data->pos); |
3149 trak->size += atom_size; | |
3150 | |
3151 atom = trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf; | |
3152 stsz_atom = (ngx_mp4_stsz_atom_t *) atom->pos; | |
3153 | |
3154 ngx_mp4_set_32value(stsz_atom->size, atom_size); | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3155 ngx_mp4_set_32value(stsz_atom->entries, entries); |
4085 | 3156 } |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3157 |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3158 return NGX_OK; |
4085 | 3159 } |
3160 | |
3161 | |
3162 typedef struct { | |
3163 u_char size[4]; | |
3164 u_char name[4]; | |
3165 u_char version[1]; | |
3166 u_char flags[3]; | |
3167 u_char entries[4]; | |
3168 } ngx_mp4_stco_atom_t; | |
3169 | |
3170 | |
3171 static ngx_int_t | |
3172 ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
3173 { | |
3174 u_char *atom_header, *atom_table, *atom_end; | |
3175 uint32_t entries; | |
3176 ngx_buf_t *atom, *data; | |
3177 ngx_mp4_stco_atom_t *stco_atom; | |
3178 ngx_http_mp4_trak_t *trak; | |
3179 | |
3180 /* chunk offsets atom */ | |
3181 | |
3182 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stco atom"); | |
3183 | |
3184 atom_header = ngx_mp4_atom_header(mp4); | |
3185 stco_atom = (ngx_mp4_stco_atom_t *) atom_header; | |
3186 ngx_mp4_set_atom_name(stco_atom, 's', 't', 'c', 'o'); | |
3187 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3188 if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3189 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3190 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3191 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3192 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3193 |
4085 | 3194 entries = ngx_mp4_get_32value(stco_atom->entries); |
3195 | |
3196 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
3197 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3198 if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3199 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3200 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3201 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3202 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3203 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3204 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3205 |
4085 | 3206 atom_table = atom_header + sizeof(ngx_mp4_stco_atom_t); |
3207 atom_end = atom_table + entries * sizeof(uint32_t); | |
3208 | |
3209 trak = ngx_mp4_last_trak(mp4); | |
3210 trak->chunks = entries; | |
3211 | |
4107 | 3212 atom = &trak->stco_atom_buf; |
4085 | 3213 atom->temporary = 1; |
3214 atom->pos = atom_header; | |
3215 atom->last = atom_table; | |
3216 | |
4107 | 3217 data = &trak->stco_data_buf; |
4085 | 3218 data->temporary = 1; |
3219 data->pos = atom_table; | |
3220 data->last = atom_end; | |
3221 | |
3222 trak->out[NGX_HTTP_MP4_STCO_ATOM].buf = atom; | |
3223 trak->out[NGX_HTTP_MP4_STCO_DATA].buf = data; | |
3224 | |
3225 ngx_mp4_atom_next(mp4, atom_data_size); | |
3226 | |
3227 return NGX_OK; | |
3228 } | |
3229 | |
3230 | |
3231 static ngx_int_t | |
3232 ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
3233 ngx_http_mp4_trak_t *trak) | |
3234 { | |
3235 size_t atom_size; | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3236 uint32_t entries; |
7629
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3237 uint64_t chunk_offset, samples_size; |
4085 | 3238 ngx_buf_t *atom, *data; |
3239 ngx_mp4_stco_atom_t *stco_atom; | |
3240 | |
3241 /* | |
3242 * mdia.minf.stbl.stco updating requires trak->start_chunk | |
3243 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
3244 * atom which may reside after mdia.minf | |
3245 */ | |
3246 | |
3247 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3248 "mp4 stco atom update"); | |
3249 | |
3250 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
3251 | |
3252 if (data == NULL) { | |
3253 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
3254 "no mp4 stco atoms were found in \"%s\"", | |
3255 mp4->file.name.data); | |
3256 return NGX_ERROR; | |
3257 } | |
3258 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3259 if (trak->start_chunk > trak->chunks) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3260 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3261 "start time is out mp4 stco chunks in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3262 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3263 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3264 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3265 |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3266 data->pos += trak->start_chunk * sizeof(uint32_t); |
4085 | 3267 |
7629
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3268 chunk_offset = ngx_mp4_get_32value(data->pos); |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3269 samples_size = trak->start_chunk_samples_size; |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3270 |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3271 if (chunk_offset > (uint64_t) mp4->end - samples_size |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3272 || chunk_offset + samples_size > NGX_MAX_UINT32_VALUE) |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3273 { |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3274 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3275 "too large chunk offset in \"%s\"", |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3276 mp4->file.name.data); |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3277 return NGX_ERROR; |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3278 } |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3279 |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3280 trak->start_offset = chunk_offset + samples_size; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3281 ngx_mp4_set_32value(data->pos, trak->start_offset); |
4085 | 3282 |
3283 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
3284 "start chunk offset:%O", trak->start_offset); |
4085 | 3285 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3286 if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3287 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3288 if (trak->end_chunk > trak->chunks) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3289 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3290 "end time is out mp4 stco chunks in \"%s\"", |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3291 mp4->file.name.data); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3292 return NGX_ERROR; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3293 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3294 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3295 entries = trak->end_chunk - trak->start_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3296 data->last = data->pos + entries * sizeof(uint32_t); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3297 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3298 if (entries) { |
7629
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3299 chunk_offset = ngx_mp4_get_32value(data->last - sizeof(uint32_t)); |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3300 samples_size = trak->end_chunk_samples_size; |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3301 |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3302 if (chunk_offset > (uint64_t) mp4->end - samples_size |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3303 || chunk_offset + samples_size > NGX_MAX_UINT32_VALUE) |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3304 { |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3305 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3306 "too large chunk offset in \"%s\"", |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3307 mp4->file.name.data); |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3308 return NGX_ERROR; |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3309 } |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3310 |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3311 trak->end_offset = chunk_offset + samples_size; |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3312 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3313 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3314 "end chunk offset:%O", trak->end_offset); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3315 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3316 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3317 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3318 entries = trak->chunks - trak->start_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3319 trak->end_offset = mp4->mdat_data.buf->file_last; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3320 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3321 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3322 if (entries == 0) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3323 trak->start_offset = mp4->end; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3324 trak->end_offset = 0; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3325 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3326 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3327 atom_size = sizeof(ngx_mp4_stco_atom_t) + (data->last - data->pos); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3328 trak->size += atom_size; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3329 |
4085 | 3330 atom = trak->out[NGX_HTTP_MP4_STCO_ATOM].buf; |
3331 stco_atom = (ngx_mp4_stco_atom_t *) atom->pos; | |
3332 | |
3333 ngx_mp4_set_32value(stco_atom->size, atom_size); | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3334 ngx_mp4_set_32value(stco_atom->entries, entries); |
4085 | 3335 |
3336 return NGX_OK; | |
3337 } | |
3338 | |
3339 | |
3340 static void | |
3341 ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
3342 ngx_http_mp4_trak_t *trak, int32_t adjustment) | |
3343 { | |
3344 uint32_t offset, *entry, *end; | |
3345 ngx_buf_t *data; | |
3346 | |
3347 /* | |
3348 * moov.trak.mdia.minf.stbl.stco adjustment requires | |
3349 * minimal start offset of all traks and new moov atom size | |
3350 */ | |
3351 | |
3352 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3353 "mp4 stco atom adjustment"); | |
3354 | |
3355 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
3356 entry = (uint32_t *) data->pos; | |
3357 end = (uint32_t *) data->last; | |
3358 | |
3359 while (entry < end) { | |
3360 offset = ngx_mp4_get_32value(entry); | |
3361 offset += adjustment; | |
3362 ngx_mp4_set_32value(entry, offset); | |
3363 entry++; | |
3364 } | |
3365 } | |
3366 | |
3367 | |
4112 | 3368 typedef struct { |
3369 u_char size[4]; | |
3370 u_char name[4]; | |
3371 u_char version[1]; | |
3372 u_char flags[3]; | |
3373 u_char entries[4]; | |
3374 } ngx_mp4_co64_atom_t; | |
3375 | |
3376 | |
3377 static ngx_int_t | |
3378 ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
3379 { | |
3380 u_char *atom_header, *atom_table, *atom_end; | |
3381 uint32_t entries; | |
3382 ngx_buf_t *atom, *data; | |
3383 ngx_mp4_co64_atom_t *co64_atom; | |
3384 ngx_http_mp4_trak_t *trak; | |
3385 | |
3386 /* chunk offsets atom */ | |
3387 | |
3388 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 co64 atom"); | |
3389 | |
3390 atom_header = ngx_mp4_atom_header(mp4); | |
3391 co64_atom = (ngx_mp4_co64_atom_t *) atom_header; | |
3392 ngx_mp4_set_atom_name(co64_atom, 'c', 'o', '6', '4'); | |
3393 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3394 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3395 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3396 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3397 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3398 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3399 |
4112 | 3400 entries = ngx_mp4_get_32value(co64_atom->entries); |
3401 | |
3402 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
3403 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3404 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3405 + entries * sizeof(uint64_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3406 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3407 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3408 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3409 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3410 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3411 |
4112 | 3412 atom_table = atom_header + sizeof(ngx_mp4_co64_atom_t); |
3413 atom_end = atom_table + entries * sizeof(uint64_t); | |
3414 | |
3415 trak = ngx_mp4_last_trak(mp4); | |
3416 trak->chunks = entries; | |
3417 | |
3418 atom = &trak->co64_atom_buf; | |
3419 atom->temporary = 1; | |
3420 atom->pos = atom_header; | |
3421 atom->last = atom_table; | |
3422 | |
3423 data = &trak->co64_data_buf; | |
3424 data->temporary = 1; | |
3425 data->pos = atom_table; | |
3426 data->last = atom_end; | |
3427 | |
3428 trak->out[NGX_HTTP_MP4_CO64_ATOM].buf = atom; | |
3429 trak->out[NGX_HTTP_MP4_CO64_DATA].buf = data; | |
3430 | |
3431 ngx_mp4_atom_next(mp4, atom_data_size); | |
3432 | |
3433 return NGX_OK; | |
3434 } | |
3435 | |
3436 | |
3437 static ngx_int_t | |
3438 ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
3439 ngx_http_mp4_trak_t *trak) | |
3440 { | |
3441 size_t atom_size; | |
7629
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3442 uint64_t entries, chunk_offset, samples_size; |
4112 | 3443 ngx_buf_t *atom, *data; |
3444 ngx_mp4_co64_atom_t *co64_atom; | |
3445 | |
3446 /* | |
3447 * mdia.minf.stbl.co64 updating requires trak->start_chunk | |
3448 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
3449 * atom which may reside after mdia.minf | |
3450 */ | |
3451 | |
3452 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3453 "mp4 co64 atom update"); | |
3454 | |
3455 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
3456 | |
3457 if (data == NULL) { | |
3458 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
3459 "no mp4 co64 atoms were found in \"%s\"", | |
3460 mp4->file.name.data); | |
3461 return NGX_ERROR; | |
3462 } | |
3463 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3464 if (trak->start_chunk > trak->chunks) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3465 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3466 "start time is out mp4 co64 chunks in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3467 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3468 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3469 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3470 |
4112 | 3471 data->pos += trak->start_chunk * sizeof(uint64_t); |
3472 | |
7629
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3473 chunk_offset = ngx_mp4_get_64value(data->pos); |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3474 samples_size = trak->start_chunk_samples_size; |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3475 |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3476 if (chunk_offset > (uint64_t) mp4->end - samples_size) { |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3477 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3478 "too large chunk offset in \"%s\"", |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3479 mp4->file.name.data); |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3480 return NGX_ERROR; |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3481 } |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3482 |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3483 trak->start_offset = chunk_offset + samples_size; |
4112 | 3484 ngx_mp4_set_64value(data->pos, trak->start_offset); |
3485 | |
3486 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
3487 "start chunk offset:%O", trak->start_offset); |
4112 | 3488 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3489 if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3490 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3491 if (trak->end_chunk > trak->chunks) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3492 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3493 "end time is out mp4 co64 chunks in \"%s\"", |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3494 mp4->file.name.data); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3495 return NGX_ERROR; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3496 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3497 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3498 entries = trak->end_chunk - trak->start_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3499 data->last = data->pos + entries * sizeof(uint64_t); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3500 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3501 if (entries) { |
7629
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3502 chunk_offset = ngx_mp4_get_64value(data->last - sizeof(uint64_t)); |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3503 samples_size = trak->end_chunk_samples_size; |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3504 |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3505 if (chunk_offset > (uint64_t) mp4->end - samples_size) { |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3506 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3507 "too large chunk offset in \"%s\"", |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3508 mp4->file.name.data); |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3509 return NGX_ERROR; |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3510 } |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3511 |
f47f7d3d1bfa
Mp4: fixed possible chunk offset overflow.
Roman Arutyunyan <arut@nginx.com>
parents:
7400
diff
changeset
|
3512 trak->end_offset = chunk_offset + samples_size; |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3513 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3514 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3515 "end chunk offset:%O", trak->end_offset); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3516 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3517 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3518 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3519 entries = trak->chunks - trak->start_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3520 trak->end_offset = mp4->mdat_data.buf->file_last; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3521 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3522 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3523 if (entries == 0) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3524 trak->start_offset = mp4->end; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3525 trak->end_offset = 0; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3526 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3527 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3528 atom_size = sizeof(ngx_mp4_co64_atom_t) + (data->last - data->pos); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3529 trak->size += atom_size; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3530 |
4112 | 3531 atom = trak->out[NGX_HTTP_MP4_CO64_ATOM].buf; |
3532 co64_atom = (ngx_mp4_co64_atom_t *) atom->pos; | |
3533 | |
3534 ngx_mp4_set_32value(co64_atom->size, atom_size); | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3535 ngx_mp4_set_32value(co64_atom->entries, entries); |
4112 | 3536 |
3537 return NGX_OK; | |
3538 } | |
3539 | |
3540 | |
3541 static void | |
3542 ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
3543 ngx_http_mp4_trak_t *trak, off_t adjustment) | |
3544 { | |
3545 uint64_t offset, *entry, *end; | |
3546 ngx_buf_t *data; | |
3547 | |
3548 /* | |
3549 * moov.trak.mdia.minf.stbl.co64 adjustment requires | |
3550 * minimal start offset of all traks and new moov atom size | |
3551 */ | |
3552 | |
3553 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3554 "mp4 co64 atom adjustment"); | |
3555 | |
3556 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
3557 entry = (uint64_t *) data->pos; | |
3558 end = (uint64_t *) data->last; | |
3559 | |
3560 while (entry < end) { | |
3561 offset = ngx_mp4_get_64value(entry); | |
3562 offset += adjustment; | |
3563 ngx_mp4_set_64value(entry, offset); | |
3564 entry++; | |
3565 } | |
3566 } | |
3567 | |
3568 | |
4085 | 3569 static char * |
3570 ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
3571 { | |
3572 ngx_http_core_loc_conf_t *clcf; | |
3573 | |
3574 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
3575 clcf->handler = ngx_http_mp4_handler; | |
3576 | |
3577 return NGX_CONF_OK; | |
3578 } | |
3579 | |
3580 | |
3581 static void * | |
3582 ngx_http_mp4_create_conf(ngx_conf_t *cf) | |
3583 { | |
3584 ngx_http_mp4_conf_t *conf; | |
3585 | |
3586 conf = ngx_palloc(cf->pool, sizeof(ngx_http_mp4_conf_t)); | |
3587 if (conf == NULL) { | |
3588 return NULL; | |
3589 } | |
3590 | |
3591 conf->buffer_size = NGX_CONF_UNSET_SIZE; | |
4089
e27670e1ab70
mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
Igor Sysoev <igor@sysoev.ru>
parents:
4088
diff
changeset
|
3592 conf->max_buffer_size = NGX_CONF_UNSET_SIZE; |
4085 | 3593 |
3594 return conf; | |
3595 } | |
3596 | |
3597 | |
3598 static char * | |
3599 ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
3600 { | |
3601 ngx_http_mp4_conf_t *prev = parent; | |
3602 ngx_http_mp4_conf_t *conf = child; | |
3603 | |
3604 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, 512 * 1024); | |
4089
e27670e1ab70
mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
Igor Sysoev <igor@sysoev.ru>
parents:
4088
diff
changeset
|
3605 ngx_conf_merge_size_value(conf->max_buffer_size, prev->max_buffer_size, |
4085 | 3606 10 * 1024 * 1024); |
3607 | |
3608 return NGX_CONF_OK; | |
3609 } |