Mercurial > hg > nginx
annotate src/http/modules/ngx_http_mp4_module.c @ 6782:b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
This allows to correctly parse "start" and "end" arguments without
null-termination (ticket #475), and also fixes rounding errors observed
with strtod() when using i387 instructions.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Thu, 27 Oct 2016 17:57:16 +0300 |
parents | 6136a51f9c21 |
children | 2b2239a1e0d4 |
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 mp4->buffer_pos += (size_t) n; \ |
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173 mp4->offset += n |
4085 | 174 |
175 | |
176 #define ngx_mp4_set_atom_name(p, n1, n2, n3, n4) \ | |
177 ((u_char *) (p))[4] = n1; \ | |
178 ((u_char *) (p))[5] = n2; \ | |
179 ((u_char *) (p))[6] = n3; \ | |
180 ((u_char *) (p))[7] = n4 | |
181 | |
182 #define ngx_mp4_get_32value(p) \ | |
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183 ( ((uint32_t) ((u_char *) (p))[0] << 24) \ |
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184 + ( ((u_char *) (p))[1] << 16) \ |
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185 + ( ((u_char *) (p))[2] << 8) \ |
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186 + ( ((u_char *) (p))[3]) ) |
4085 | 187 |
188 #define ngx_mp4_set_32value(p, n) \ | |
189 ((u_char *) (p))[0] = (u_char) ((n) >> 24); \ | |
190 ((u_char *) (p))[1] = (u_char) ((n) >> 16); \ | |
191 ((u_char *) (p))[2] = (u_char) ((n) >> 8); \ | |
192 ((u_char *) (p))[3] = (u_char) (n) | |
193 | |
194 #define ngx_mp4_get_64value(p) \ | |
195 ( ((uint64_t) ((u_char *) (p))[0] << 56) \ | |
196 + ((uint64_t) ((u_char *) (p))[1] << 48) \ | |
197 + ((uint64_t) ((u_char *) (p))[2] << 40) \ | |
198 + ((uint64_t) ((u_char *) (p))[3] << 32) \ | |
199 + ((uint64_t) ((u_char *) (p))[4] << 24) \ | |
200 + ( ((u_char *) (p))[5] << 16) \ | |
201 + ( ((u_char *) (p))[6] << 8) \ | |
202 + ( ((u_char *) (p))[7]) ) | |
203 | |
204 #define ngx_mp4_set_64value(p, n) \ | |
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205 ((u_char *) (p))[0] = (u_char) ((uint64_t) (n) >> 56); \ |
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206 ((u_char *) (p))[1] = (u_char) ((uint64_t) (n) >> 48); \ |
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207 ((u_char *) (p))[2] = (u_char) ((uint64_t) (n) >> 40); \ |
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208 ((u_char *) (p))[3] = (u_char) ((uint64_t) (n) >> 32); \ |
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209 ((u_char *) (p))[4] = (u_char) ( (n) >> 24); \ |
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210 ((u_char *) (p))[5] = (u_char) ( (n) >> 16); \ |
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211 ((u_char *) (p))[6] = (u_char) ( (n) >> 8); \ |
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212 ((u_char *) (p))[7] = (u_char) (n) |
4085 | 213 |
214 #define ngx_mp4_last_trak(mp4) \ | |
215 &((ngx_http_mp4_trak_t *) mp4->trak.elts)[mp4->trak.nelts - 1] | |
216 | |
217 | |
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218 static ngx_int_t ngx_http_mp4_handler(ngx_http_request_t *r); |
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219 static ngx_int_t ngx_http_mp4_atofp(u_char *line, size_t n, size_t point); |
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220 |
4085 | 221 static ngx_int_t ngx_http_mp4_process(ngx_http_mp4_file_t *mp4); |
222 static ngx_int_t ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
223 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size); | |
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224 static ngx_int_t ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size); |
4085 | 225 static ngx_int_t ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, |
226 uint64_t atom_data_size); | |
227 static ngx_int_t ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, | |
228 uint64_t atom_data_size); | |
229 static ngx_int_t ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, | |
230 uint64_t atom_data_size); | |
231 static size_t ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, | |
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232 off_t start_offset, off_t end_offset); |
4085 | 233 static ngx_int_t ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, |
234 uint64_t atom_data_size); | |
235 static ngx_int_t ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, | |
236 uint64_t atom_data_size); | |
237 static void ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
238 ngx_http_mp4_trak_t *trak); | |
239 static ngx_int_t ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, | |
240 uint64_t atom_data_size); | |
241 static ngx_int_t ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, | |
242 uint64_t atom_data_size); | |
243 static ngx_int_t ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, | |
244 uint64_t atom_data_size); | |
245 static void ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
246 ngx_http_mp4_trak_t *trak); | |
247 static ngx_int_t ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, | |
248 uint64_t atom_data_size); | |
249 static ngx_int_t ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, | |
250 uint64_t atom_data_size); | |
251 static ngx_int_t ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, | |
252 uint64_t atom_data_size); | |
253 static void ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
254 ngx_http_mp4_trak_t *trak); | |
255 static ngx_int_t ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, | |
256 uint64_t atom_data_size); | |
257 static ngx_int_t ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, | |
258 uint64_t atom_data_size); | |
259 static ngx_int_t ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, | |
260 uint64_t atom_data_size); | |
261 static ngx_int_t ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, | |
262 uint64_t atom_data_size); | |
263 static void ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
264 ngx_http_mp4_trak_t *trak); | |
265 static ngx_int_t ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, | |
266 uint64_t atom_data_size); | |
267 static ngx_int_t ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, | |
268 uint64_t atom_data_size); | |
269 static ngx_int_t ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
270 ngx_http_mp4_trak_t *trak); | |
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271 static ngx_int_t ngx_http_mp4_crop_stts_data(ngx_http_mp4_file_t *mp4, |
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272 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
4085 | 273 static ngx_int_t ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, |
274 uint64_t atom_data_size); | |
275 static ngx_int_t ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
276 ngx_http_mp4_trak_t *trak); | |
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277 static void ngx_http_mp4_crop_stss_data(ngx_http_mp4_file_t *mp4, |
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278 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
4085 | 279 static ngx_int_t ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, |
280 uint64_t atom_data_size); | |
281 static void ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
282 ngx_http_mp4_trak_t *trak); | |
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283 static void ngx_http_mp4_crop_ctts_data(ngx_http_mp4_file_t *mp4, |
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284 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
4085 | 285 static ngx_int_t ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, |
286 uint64_t atom_data_size); | |
287 static ngx_int_t ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
288 ngx_http_mp4_trak_t *trak); | |
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289 static ngx_int_t ngx_http_mp4_crop_stsc_data(ngx_http_mp4_file_t *mp4, |
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290 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
4085 | 291 static ngx_int_t ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, |
292 uint64_t atom_data_size); | |
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293 static ngx_int_t ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
4085 | 294 ngx_http_mp4_trak_t *trak); |
295 static ngx_int_t ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, | |
296 uint64_t atom_data_size); | |
297 static ngx_int_t ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
298 ngx_http_mp4_trak_t *trak); | |
299 static void ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
300 ngx_http_mp4_trak_t *trak, int32_t adjustment); | |
4112 | 301 static ngx_int_t ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, |
302 uint64_t atom_data_size); | |
303 static ngx_int_t ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
304 ngx_http_mp4_trak_t *trak); | |
305 static void ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
306 ngx_http_mp4_trak_t *trak, off_t adjustment); | |
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307 |
4085 | 308 static char *ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
309 static void *ngx_http_mp4_create_conf(ngx_conf_t *cf); | |
310 static char *ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child); | |
311 | |
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312 |
4085 | 313 static ngx_command_t ngx_http_mp4_commands[] = { |
314 | |
315 { ngx_string("mp4"), | |
316 NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, | |
317 ngx_http_mp4, | |
318 0, | |
319 0, | |
320 NULL }, | |
321 | |
322 { ngx_string("mp4_buffer_size"), | |
323 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
324 ngx_conf_set_size_slot, | |
325 NGX_HTTP_LOC_CONF_OFFSET, | |
326 offsetof(ngx_http_mp4_conf_t, buffer_size), | |
327 NULL }, | |
328 | |
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329 { ngx_string("mp4_max_buffer_size"), |
4085 | 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, | |
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333 offsetof(ngx_http_mp4_conf_t, max_buffer_size), |
4085 | 334 NULL }, |
335 | |
336 ngx_null_command | |
337 }; | |
338 | |
339 | |
340 static ngx_http_module_t ngx_http_mp4_module_ctx = { | |
341 NULL, /* preconfiguration */ | |
342 NULL, /* postconfiguration */ | |
343 | |
344 NULL, /* create main configuration */ | |
345 NULL, /* init main configuration */ | |
346 | |
347 NULL, /* create server configuration */ | |
348 NULL, /* merge server configuration */ | |
349 | |
350 ngx_http_mp4_create_conf, /* create location configuration */ | |
351 ngx_http_mp4_merge_conf /* merge location configuration */ | |
352 }; | |
353 | |
354 | |
355 ngx_module_t ngx_http_mp4_module = { | |
356 NGX_MODULE_V1, | |
357 &ngx_http_mp4_module_ctx, /* module context */ | |
358 ngx_http_mp4_commands, /* module directives */ | |
359 NGX_HTTP_MODULE, /* module type */ | |
360 NULL, /* init master */ | |
361 NULL, /* init module */ | |
362 NULL, /* init process */ | |
363 NULL, /* init thread */ | |
364 NULL, /* exit thread */ | |
365 NULL, /* exit process */ | |
366 NULL, /* exit master */ | |
367 NGX_MODULE_V1_PADDING | |
368 }; | |
369 | |
370 | |
371 static ngx_http_mp4_atom_handler_t ngx_http_mp4_atoms[] = { | |
372 { "ftyp", ngx_http_mp4_read_ftyp_atom }, | |
373 { "moov", ngx_http_mp4_read_moov_atom }, | |
374 { "mdat", ngx_http_mp4_read_mdat_atom }, | |
375 { NULL, NULL } | |
376 }; | |
377 | |
378 static ngx_http_mp4_atom_handler_t ngx_http_mp4_moov_atoms[] = { | |
379 { "mvhd", ngx_http_mp4_read_mvhd_atom }, | |
380 { "trak", ngx_http_mp4_read_trak_atom }, | |
381 { "cmov", ngx_http_mp4_read_cmov_atom }, | |
382 { NULL, NULL } | |
383 }; | |
384 | |
385 static ngx_http_mp4_atom_handler_t ngx_http_mp4_trak_atoms[] = { | |
386 { "tkhd", ngx_http_mp4_read_tkhd_atom }, | |
387 { "mdia", ngx_http_mp4_read_mdia_atom }, | |
388 { NULL, NULL } | |
389 }; | |
390 | |
391 static ngx_http_mp4_atom_handler_t ngx_http_mp4_mdia_atoms[] = { | |
392 { "mdhd", ngx_http_mp4_read_mdhd_atom }, | |
393 { "hdlr", ngx_http_mp4_read_hdlr_atom }, | |
394 { "minf", ngx_http_mp4_read_minf_atom }, | |
395 { NULL, NULL } | |
396 }; | |
397 | |
398 static ngx_http_mp4_atom_handler_t ngx_http_mp4_minf_atoms[] = { | |
399 { "vmhd", ngx_http_mp4_read_vmhd_atom }, | |
400 { "smhd", ngx_http_mp4_read_smhd_atom }, | |
401 { "dinf", ngx_http_mp4_read_dinf_atom }, | |
402 { "stbl", ngx_http_mp4_read_stbl_atom }, | |
403 { NULL, NULL } | |
404 }; | |
405 | |
406 static ngx_http_mp4_atom_handler_t ngx_http_mp4_stbl_atoms[] = { | |
407 { "stsd", ngx_http_mp4_read_stsd_atom }, | |
408 { "stts", ngx_http_mp4_read_stts_atom }, | |
409 { "stss", ngx_http_mp4_read_stss_atom }, | |
410 { "ctts", ngx_http_mp4_read_ctts_atom }, | |
411 { "stsc", ngx_http_mp4_read_stsc_atom }, | |
412 { "stsz", ngx_http_mp4_read_stsz_atom }, | |
413 { "stco", ngx_http_mp4_read_stco_atom }, | |
4112 | 414 { "co64", ngx_http_mp4_read_co64_atom }, |
4085 | 415 { NULL, NULL } |
416 }; | |
417 | |
418 | |
419 static ngx_int_t | |
420 ngx_http_mp4_handler(ngx_http_request_t *r) | |
421 { | |
422 u_char *last; | |
423 size_t root; | |
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424 ngx_int_t rc, start, end; |
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425 ngx_uint_t level, length; |
4085 | 426 ngx_str_t path, value; |
427 ngx_log_t *log; | |
428 ngx_buf_t *b; | |
429 ngx_chain_t out; | |
430 ngx_http_mp4_file_t *mp4; | |
431 ngx_open_file_info_t of; | |
432 ngx_http_core_loc_conf_t *clcf; | |
433 | |
434 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { | |
435 return NGX_HTTP_NOT_ALLOWED; | |
436 } | |
437 | |
438 if (r->uri.data[r->uri.len - 1] == '/') { | |
439 return NGX_DECLINED; | |
440 } | |
441 | |
442 rc = ngx_http_discard_request_body(r); | |
443 | |
444 if (rc != NGX_OK) { | |
445 return rc; | |
446 } | |
447 | |
448 last = ngx_http_map_uri_to_path(r, &path, &root, 0); | |
449 if (last == NULL) { | |
450 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
451 } | |
452 | |
453 log = r->connection->log; | |
454 | |
455 path.len = last - path.data; | |
456 | |
457 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, | |
458 "http mp4 filename: \"%V\"", &path); | |
459 | |
460 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
461 | |
462 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); | |
463 | |
464 of.read_ahead = clcf->read_ahead; | |
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465 of.directio = NGX_MAX_OFF_T_VALUE; |
4085 | 466 of.valid = clcf->open_file_cache_valid; |
467 of.min_uses = clcf->open_file_cache_min_uses; | |
468 of.errors = clcf->open_file_cache_errors; | |
469 of.events = clcf->open_file_cache_events; | |
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470 |
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471 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { |
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472 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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473 } |
4085 | 474 |
475 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) | |
476 != NGX_OK) | |
477 { | |
478 switch (of.err) { | |
479 | |
480 case 0: | |
481 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
482 | |
483 case NGX_ENOENT: | |
484 case NGX_ENOTDIR: | |
485 case NGX_ENAMETOOLONG: | |
486 | |
487 level = NGX_LOG_ERR; | |
488 rc = NGX_HTTP_NOT_FOUND; | |
489 break; | |
490 | |
491 case NGX_EACCES: | |
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492 #if (NGX_HAVE_OPENAT) |
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493 case NGX_EMLINK: |
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494 case NGX_ELOOP: |
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495 #endif |
4085 | 496 |
497 level = NGX_LOG_ERR; | |
498 rc = NGX_HTTP_FORBIDDEN; | |
499 break; | |
500 | |
501 default: | |
502 | |
503 level = NGX_LOG_CRIT; | |
504 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
505 break; | |
506 } | |
507 | |
508 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { | |
509 ngx_log_error(level, log, of.err, | |
510 "%s \"%s\" failed", of.failed, path.data); | |
511 } | |
512 | |
513 return rc; | |
514 } | |
515 | |
516 if (!of.is_file) { | |
517 | |
518 if (ngx_close_file(of.fd) == NGX_FILE_ERROR) { | |
519 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
520 ngx_close_file_n " \"%s\" failed", path.data); | |
521 } | |
522 | |
523 return NGX_DECLINED; | |
524 } | |
525 | |
526 r->root_tested = !r->error_page; | |
527 r->allow_ranges = 1; | |
528 | |
529 start = -1; | |
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530 length = 0; |
4085 | 531 r->headers_out.content_length_n = of.size; |
532 mp4 = NULL; | |
533 b = NULL; | |
534 | |
535 if (r->args.len) { | |
536 | |
537 if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) { | |
538 | |
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539 /* |
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540 * A Flash player may send start value with a lot of digits |
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541 * after dot so a custom function is used instead of ngx_atofp(). |
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542 */ |
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543 |
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544 start = ngx_http_mp4_atofp(value.data, value.len, 3); |
4085 | 545 } |
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546 |
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547 if (ngx_http_arg(r, (u_char *) "end", 3, &value) == NGX_OK) { |
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548 |
6782
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
549 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
|
550 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
551 if (end > 0) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
552 if (start < 0) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
553 start = 0; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
554 } |
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 if (end > start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
557 length = end - start; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
558 } |
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 } |
4085 | 561 } |
562 | |
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
563 if (start >= 0) { |
5621
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5620
diff
changeset
|
564 r->single_range = 1; |
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
565 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
566 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
|
567 if (mp4 == NULL) { |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
568 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
569 } |
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 mp4->file.fd = of.fd; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
572 mp4->file.name = path; |
5496
9d056f10fb99
Style: removed surplus semicolons.
Valentin Bartenev <vbart@nginx.com>
parents:
5359
diff
changeset
|
573 mp4->file.log = r->connection->log; |
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
574 mp4->end = of.size; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
575 mp4->start = (ngx_uint_t) start; |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
576 mp4->length = length; |
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
577 mp4->request = r; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
578 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
579 switch (ngx_http_mp4_process(mp4)) { |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
580 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
581 case NGX_DECLINED: |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
582 if (mp4->buffer) { |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
583 ngx_pfree(r->pool, mp4->buffer); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
584 } |
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 ngx_pfree(r->pool, mp4); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
587 mp4 = NULL; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
588 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
589 break; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
590 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
591 case NGX_OK: |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
592 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
|
593 break; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
594 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
595 default: /* NGX_ERROR */ |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
596 if (mp4->buffer) { |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
597 ngx_pfree(r->pool, mp4->buffer); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
598 } |
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 ngx_pfree(r->pool, mp4); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
601 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
602 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
603 } |
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 |
4085 | 606 log->action = "sending mp4 to client"; |
607 | |
608 if (clcf->directio <= of.size) { | |
609 | |
610 /* | |
611 * DIRECTIO is set on transfer only | |
612 * to allow kernel to cache "moov" atom | |
613 */ | |
614 | |
615 if (ngx_directio_on(of.fd) == NGX_FILE_ERROR) { | |
616 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
617 ngx_directio_on_n " \"%s\" failed", path.data); | |
618 } | |
619 | |
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
|
620 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
|
621 |
4085 | 622 if (mp4) { |
623 mp4->file.directio = 1; | |
624 } | |
625 } | |
626 | |
627 r->headers_out.status = NGX_HTTP_OK; | |
628 r->headers_out.last_modified_time = of.mtime; | |
629 | |
4748
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
630 if (ngx_http_set_etag(r) != NGX_OK) { |
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
631 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
632 } |
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
633 |
4085 | 634 if (ngx_http_set_content_type(r) != NGX_OK) { |
635 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
636 } | |
637 | |
638 if (mp4 == NULL) { | |
639 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); | |
640 if (b == NULL) { | |
641 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
642 } | |
643 | |
644 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); | |
645 if (b->file == NULL) { | |
646 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
647 } | |
648 } | |
649 | |
650 rc = ngx_http_send_header(r); | |
651 | |
652 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
653 return rc; | |
654 } | |
655 | |
656 if (mp4) { | |
657 return ngx_http_output_filter(r, mp4->out); | |
658 } | |
659 | |
660 b->file_pos = 0; | |
661 b->file_last = of.size; | |
662 | |
663 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
|
664 b->last_buf = (r == r->main) ? 1 : 0; |
4085 | 665 b->last_in_chain = 1; |
666 | |
667 b->file->fd = of.fd; | |
668 b->file->name = path; | |
669 b->file->log = log; | |
670 b->file->directio = of.is_directio; | |
671 | |
672 out.buf = b; | |
673 out.next = NULL; | |
674 | |
675 return ngx_http_output_filter(r, &out); | |
676 } | |
677 | |
678 | |
679 static ngx_int_t | |
6782
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
680 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
|
681 { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
682 ngx_int_t value, cutoff, cutlim; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
683 ngx_uint_t dot; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
684 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
685 /* 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
|
686 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
687 if (n == 0) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
688 return NGX_ERROR; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
689 } |
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 cutoff = NGX_MAX_INT_T_VALUE / 10; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
692 cutlim = NGX_MAX_INT_T_VALUE % 10; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
693 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
694 dot = 0; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
695 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
696 for (value = 0; n--; line++) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
697 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
698 if (*line == '.') { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
699 if (dot) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
700 return NGX_ERROR; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
701 } |
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 dot = 1; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
704 continue; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
705 } |
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 if (*line < '0' || *line > '9') { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
708 return NGX_ERROR; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
709 } |
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 if (point == 0) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
712 continue; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
713 } |
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 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
|
716 return NGX_ERROR; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
717 } |
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 value = value * 10 + (*line - '0'); |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
720 point -= dot; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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721 } |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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|
722 |
b123eae3fd4e
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diff
changeset
|
723 while (point--) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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diff
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|
724 if (value > cutoff) { |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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|
725 return NGX_ERROR; |
b123eae3fd4e
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|
726 } |
b123eae3fd4e
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parents:
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diff
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|
727 |
b123eae3fd4e
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|
728 value = value * 10; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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changeset
|
729 } |
b123eae3fd4e
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|
730 |
b123eae3fd4e
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|
731 return value; |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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|
732 } |
b123eae3fd4e
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|
733 |
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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changeset
|
734 |
b123eae3fd4e
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735 static ngx_int_t |
4085 | 736 ngx_http_mp4_process(ngx_http_mp4_file_t *mp4) |
737 { | |
5620
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diff
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|
738 off_t start_offset, end_offset, adjustment; |
4085 | 739 ngx_int_t rc; |
740 ngx_uint_t i, j; | |
741 ngx_chain_t **prev; | |
742 ngx_http_mp4_trak_t *trak; | |
743 ngx_http_mp4_conf_t *conf; | |
744 | |
5620
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|
745 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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|
746 "mp4 start:%ui, length:%ui", mp4->start, mp4->length); |
4085 | 747 |
748 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
749 | |
750 mp4->buffer_size = conf->buffer_size; | |
751 | |
752 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_atoms, mp4->end); | |
753 if (rc != NGX_OK) { | |
754 return rc; | |
755 } | |
756 | |
757 if (mp4->trak.nelts == 0) { | |
758 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
759 "no mp4 trak atoms were found in \"%s\"", | |
760 mp4->file.name.data); | |
761 return NGX_ERROR; | |
762 } | |
763 | |
764 if (mp4->mdat_atom.buf == NULL) { | |
765 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
766 "no mp4 mdat atom was found in \"%s\"", | |
767 mp4->file.name.data); | |
768 return NGX_ERROR; | |
769 } | |
770 | |
771 prev = &mp4->out; | |
772 | |
773 if (mp4->ftyp_atom.buf) { | |
774 *prev = &mp4->ftyp_atom; | |
775 prev = &mp4->ftyp_atom.next; | |
776 } | |
777 | |
778 *prev = &mp4->moov_atom; | |
779 prev = &mp4->moov_atom.next; | |
780 | |
781 if (mp4->mvhd_atom.buf) { | |
782 mp4->moov_size += mp4->mvhd_atom_buf.last - mp4->mvhd_atom_buf.pos; | |
783 *prev = &mp4->mvhd_atom; | |
784 prev = &mp4->mvhd_atom.next; | |
785 } | |
786 | |
787 start_offset = mp4->end; | |
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|
788 end_offset = 0; |
4085 | 789 trak = mp4->trak.elts; |
790 | |
791 for (i = 0; i < mp4->trak.nelts; i++) { | |
792 | |
793 if (ngx_http_mp4_update_stts_atom(mp4, &trak[i]) != NGX_OK) { | |
794 return NGX_ERROR; | |
795 } | |
796 | |
797 if (ngx_http_mp4_update_stss_atom(mp4, &trak[i]) != NGX_OK) { | |
798 return NGX_ERROR; | |
799 } | |
800 | |
801 ngx_http_mp4_update_ctts_atom(mp4, &trak[i]); | |
802 | |
803 if (ngx_http_mp4_update_stsc_atom(mp4, &trak[i]) != NGX_OK) { | |
804 return NGX_ERROR; | |
805 } | |
806 | |
4585
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|
807 if (ngx_http_mp4_update_stsz_atom(mp4, &trak[i]) != NGX_OK) { |
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808 return NGX_ERROR; |
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|
809 } |
4085 | 810 |
4112 | 811 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
812 if (ngx_http_mp4_update_co64_atom(mp4, &trak[i]) != NGX_OK) { | |
813 return NGX_ERROR; | |
814 } | |
815 | |
816 } else { | |
817 if (ngx_http_mp4_update_stco_atom(mp4, &trak[i]) != NGX_OK) { | |
818 return NGX_ERROR; | |
819 } | |
4085 | 820 } |
821 | |
822 ngx_http_mp4_update_stbl_atom(mp4, &trak[i]); | |
823 ngx_http_mp4_update_minf_atom(mp4, &trak[i]); | |
824 trak[i].size += trak[i].mdhd_size; | |
825 trak[i].size += trak[i].hdlr_size; | |
826 ngx_http_mp4_update_mdia_atom(mp4, &trak[i]); | |
827 trak[i].size += trak[i].tkhd_size; | |
828 ngx_http_mp4_update_trak_atom(mp4, &trak[i]); | |
829 | |
830 mp4->moov_size += trak[i].size; | |
831 | |
832 if (start_offset > trak[i].start_offset) { | |
833 start_offset = trak[i].start_offset; | |
834 } | |
835 | |
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diff
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836 if (end_offset < trak[i].end_offset) { |
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|
837 end_offset = trak[i].end_offset; |
0a567878254b
Mp4: added "end" argument support.
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|
838 } |
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|
839 |
4085 | 840 *prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM]; |
841 prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM].next; | |
842 | |
843 for (j = 0; j < NGX_HTTP_MP4_LAST_ATOM + 1; j++) { | |
844 if (trak[i].out[j].buf) { | |
845 *prev = &trak[i].out[j]; | |
846 prev = &trak[i].out[j].next; | |
847 } | |
848 } | |
849 } | |
850 | |
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Mp4: added "end" argument support.
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|
851 if (end_offset < start_offset) { |
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Mp4: added "end" argument support.
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diff
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|
852 end_offset = start_offset; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
853 } |
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|
854 |
4085 | 855 mp4->moov_size += 8; |
856 | |
857 ngx_mp4_set_32value(mp4->moov_atom_header, mp4->moov_size); | |
858 ngx_mp4_set_atom_name(mp4->moov_atom_header, 'm', 'o', 'o', 'v'); | |
859 mp4->content_length += mp4->moov_size; | |
860 | |
861 *prev = &mp4->mdat_atom; | |
862 | |
5097
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
863 if (start_offset > mp4->mdat_data.buf->file_last) { |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
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parents:
4820
diff
changeset
|
864 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
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parents:
4820
diff
changeset
|
865 "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:
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diff
changeset
|
866 mp4->file.name.data); |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
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parents:
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diff
changeset
|
867 return NGX_ERROR; |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
868 } |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
869 |
4085 | 870 adjustment = mp4->ftyp_size + mp4->moov_size |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
871 + ngx_http_mp4_update_mdat_atom(mp4, start_offset, end_offset) |
4085 | 872 - start_offset; |
873 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
874 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4579 | 875 "mp4 adjustment:%O", adjustment); |
4085 | 876 |
877 for (i = 0; i < mp4->trak.nelts; i++) { | |
4112 | 878 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
879 ngx_http_mp4_adjust_co64_atom(mp4, &trak[i], adjustment); | |
880 } else { | |
881 ngx_http_mp4_adjust_stco_atom(mp4, &trak[i], (int32_t) adjustment); | |
882 } | |
4085 | 883 } |
884 | |
885 return NGX_OK; | |
886 } | |
887 | |
888 | |
889 typedef struct { | |
890 u_char size[4]; | |
891 u_char name[4]; | |
892 } ngx_mp4_atom_header_t; | |
893 | |
894 typedef struct { | |
895 u_char size[4]; | |
896 u_char name[4]; | |
897 u_char size64[8]; | |
898 } ngx_mp4_atom_header64_t; | |
899 | |
900 | |
901 static ngx_int_t | |
902 ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
903 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size) | |
904 { | |
905 off_t end; | |
906 size_t atom_header_size; | |
907 u_char *atom_header, *atom_name; | |
908 uint64_t atom_size; | |
909 ngx_int_t rc; | |
910 ngx_uint_t n; | |
911 | |
912 end = mp4->offset + atom_data_size; | |
913 | |
914 while (mp4->offset < end) { | |
915 | |
4585
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4579
diff
changeset
|
916 if (ngx_http_mp4_read(mp4, sizeof(uint32_t)) != NGX_OK) { |
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Mp4: sanity checks cleanup.
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diff
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|
917 return NGX_ERROR; |
4085 | 918 } |
919 | |
920 atom_header = mp4->buffer_pos; | |
921 atom_size = ngx_mp4_get_32value(atom_header); | |
922 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
923 | |
924 if (atom_size == 0) { | |
925 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
926 "mp4 atom end"); | |
927 return NGX_OK; | |
928 } | |
929 | |
930 if (atom_size < sizeof(ngx_mp4_atom_header_t)) { | |
931 | |
932 if (atom_size == 1) { | |
933 | |
4585
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diff
changeset
|
934 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header64_t)) |
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diff
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|
935 != NGX_OK) |
4085 | 936 { |
4585
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Mp4: sanity checks cleanup.
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diff
changeset
|
937 return NGX_ERROR; |
4085 | 938 } |
939 | |
940 /* 64-bit atom size */ | |
4585
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Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
941 atom_header = mp4->buffer_pos; |
4085 | 942 atom_size = ngx_mp4_get_64value(atom_header + 8); |
943 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
944 | |
945 } else { | |
946 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
947 "\"%s\" mp4 atom is too small:%uL", | |
948 mp4->file.name.data, atom_size); | |
949 return NGX_ERROR; | |
950 } | |
951 } | |
952 | |
4585
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Mp4: sanity checks cleanup.
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changeset
|
953 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header_t)) != NGX_OK) { |
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Mp4: sanity checks cleanup.
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diff
changeset
|
954 return NGX_ERROR; |
4085 | 955 } |
956 | |
4585
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Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
957 atom_header = mp4->buffer_pos; |
4085 | 958 atom_name = atom_header + sizeof(uint32_t); |
959 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
960 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 961 "mp4 atom: %*s @%O:%uL", |
6478
3ef7bb882ad4
Fixed logging with variable field width.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6474
diff
changeset
|
962 (size_t) 4, atom_name, mp4->offset, atom_size); |
4085 | 963 |
4585
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Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
964 if (atom_size > (uint64_t) (NGX_MAX_OFF_T_VALUE - mp4->offset) |
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Mp4: sanity checks cleanup.
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diff
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|
965 || mp4->offset + (off_t) atom_size > end) |
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Mp4: sanity checks cleanup.
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4579
diff
changeset
|
966 { |
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Mp4: sanity checks cleanup.
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diff
changeset
|
967 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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Mp4: sanity checks cleanup.
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diff
changeset
|
968 "\"%s\" mp4 atom too large:%uL", |
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Mp4: sanity checks cleanup.
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diff
changeset
|
969 mp4->file.name.data, atom_size); |
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|
970 return NGX_ERROR; |
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|
971 } |
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|
972 |
4085 | 973 for (n = 0; atom[n].name; n++) { |
974 | |
975 if (ngx_strncmp(atom_name, atom[n].name, 4) == 0) { | |
976 | |
977 ngx_mp4_atom_next(mp4, atom_header_size); | |
978 | |
979 rc = atom[n].handler(mp4, atom_size - atom_header_size); | |
980 if (rc != NGX_OK) { | |
981 return rc; | |
982 } | |
983 | |
984 goto next; | |
985 } | |
986 } | |
987 | |
988 ngx_mp4_atom_next(mp4, atom_size); | |
989 | |
990 next: | |
991 continue; | |
992 } | |
993 | |
994 return NGX_OK; | |
995 } | |
996 | |
997 | |
998 static ngx_int_t | |
4585
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changeset
|
999 ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size) |
4085 | 1000 { |
4585
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diff
changeset
|
1001 ssize_t n; |
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changeset
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1002 |
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1003 if (mp4->buffer_pos + size <= mp4->buffer_end) { |
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1004 return NGX_OK; |
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|
1005 } |
4085 | 1006 |
1007 if (mp4->offset + (off_t) mp4->buffer_size > mp4->end) { | |
1008 mp4->buffer_size = (size_t) (mp4->end - mp4->offset); | |
1009 } | |
1010 | |
4585
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Mp4: sanity checks cleanup.
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diff
changeset
|
1011 if (mp4->buffer_size < size) { |
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1012 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1013 "\"%s\" mp4 file truncated", mp4->file.name.data); |
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1014 return NGX_ERROR; |
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1015 } |
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1016 |
4085 | 1017 if (mp4->buffer == NULL) { |
1018 mp4->buffer = ngx_palloc(mp4->request->pool, mp4->buffer_size); | |
1019 if (mp4->buffer == NULL) { | |
1020 return NGX_ERROR; | |
1021 } | |
1022 | |
1023 mp4->buffer_start = mp4->buffer; | |
1024 } | |
1025 | |
1026 n = ngx_read_file(&mp4->file, mp4->buffer_start, mp4->buffer_size, | |
1027 mp4->offset); | |
1028 | |
1029 if (n == NGX_ERROR) { | |
1030 return NGX_ERROR; | |
1031 } | |
1032 | |
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1033 if ((size_t) n != mp4->buffer_size) { |
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1034 ngx_log_error(NGX_LOG_CRIT, mp4->file.log, 0, |
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1035 ngx_read_file_n " read only %z of %z from \"%s\"", |
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1036 n, mp4->buffer_size, mp4->file.name.data); |
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1037 return NGX_ERROR; |
4085 | 1038 } |
1039 | |
1040 mp4->buffer_pos = mp4->buffer_start; | |
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1041 mp4->buffer_end = mp4->buffer_start + mp4->buffer_size; |
4085 | 1042 |
1043 return NGX_OK; | |
1044 } | |
1045 | |
1046 | |
1047 static ngx_int_t | |
1048 ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1049 { | |
1050 u_char *ftyp_atom; | |
1051 size_t atom_size; | |
1052 ngx_buf_t *atom; | |
1053 | |
1054 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ftyp atom"); | |
1055 | |
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1056 if (atom_data_size > 1024 |
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1057 || ngx_mp4_atom_data(mp4) + (size_t) atom_data_size > mp4->buffer_end) |
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1058 { |
4085 | 1059 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
1060 "\"%s\" mp4 ftyp atom is too large:%uL", | |
1061 mp4->file.name.data, atom_data_size); | |
1062 return NGX_ERROR; | |
1063 } | |
1064 | |
1065 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1066 | |
1067 ftyp_atom = ngx_palloc(mp4->request->pool, atom_size); | |
1068 if (ftyp_atom == NULL) { | |
1069 return NGX_ERROR; | |
1070 } | |
1071 | |
1072 ngx_mp4_set_32value(ftyp_atom, atom_size); | |
1073 ngx_mp4_set_atom_name(ftyp_atom, 'f', 't', 'y', 'p'); | |
1074 | |
1075 /* | |
1076 * only moov atom content is guaranteed to be in mp4->buffer | |
1077 * during sending response, so ftyp atom content should be copied | |
1078 */ | |
1079 ngx_memcpy(ftyp_atom + sizeof(ngx_mp4_atom_header_t), | |
1080 ngx_mp4_atom_data(mp4), (size_t) atom_data_size); | |
1081 | |
1082 atom = &mp4->ftyp_atom_buf; | |
1083 atom->temporary = 1; | |
1084 atom->pos = ftyp_atom; | |
1085 atom->last = ftyp_atom + atom_size; | |
1086 | |
1087 mp4->ftyp_atom.buf = atom; | |
1088 mp4->ftyp_size = atom_size; | |
1089 mp4->content_length = atom_size; | |
1090 | |
1091 ngx_mp4_atom_next(mp4, atom_data_size); | |
1092 | |
1093 return NGX_OK; | |
1094 } | |
1095 | |
1096 | |
1097 /* | |
1098 * Small excess buffer to process atoms after moov atom, mp4->buffer_start | |
1099 * will be set to this buffer part after moov atom processing. | |
1100 */ | |
1101 #define NGX_HTTP_MP4_MOOV_BUFFER_EXCESS (4 * 1024) | |
1102 | |
1103 static ngx_int_t | |
1104 ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1105 { | |
1106 ngx_int_t rc; | |
1107 ngx_uint_t no_mdat; | |
1108 ngx_buf_t *atom; | |
1109 ngx_http_mp4_conf_t *conf; | |
1110 | |
1111 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom"); | |
1112 | |
1113 no_mdat = (mp4->mdat_atom.buf == NULL); | |
1114 | |
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1115 if (no_mdat && mp4->start == 0 && mp4->length == 0) { |
4085 | 1116 /* |
1117 * send original file if moov atom resides before | |
1118 * mdat atom and client requests integral file | |
1119 */ | |
1120 return NGX_DECLINED; | |
1121 } | |
1122 | |
1123 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
1124 | |
1125 if (atom_data_size > mp4->buffer_size) { | |
1126 | |
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1127 if (atom_data_size > conf->max_buffer_size) { |
4085 | 1128 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
1129 "\"%s\" mp4 moov atom is too large:%uL, " | |
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1130 "you may want to increase mp4_max_buffer_size", |
4085 | 1131 mp4->file.name.data, atom_data_size); |
1132 return NGX_ERROR; | |
1133 } | |
1134 | |
1135 ngx_pfree(mp4->request->pool, mp4->buffer); | |
1136 mp4->buffer = NULL; | |
1137 mp4->buffer_pos = NULL; | |
1138 mp4->buffer_end = NULL; | |
1139 | |
1140 mp4->buffer_size = (size_t) atom_data_size | |
1141 + NGX_HTTP_MP4_MOOV_BUFFER_EXCESS * no_mdat; | |
1142 } | |
1143 | |
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1144 if (ngx_http_mp4_read(mp4, (size_t) atom_data_size) != NGX_OK) { |
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1145 return NGX_ERROR; |
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1146 } |
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1147 |
4085 | 1148 mp4->trak.elts = &mp4->traks; |
1149 mp4->trak.size = sizeof(ngx_http_mp4_trak_t); | |
1150 mp4->trak.nalloc = 2; | |
1151 mp4->trak.pool = mp4->request->pool; | |
1152 | |
1153 atom = &mp4->moov_atom_buf; | |
1154 atom->temporary = 1; | |
1155 atom->pos = mp4->moov_atom_header; | |
1156 atom->last = mp4->moov_atom_header + 8; | |
1157 | |
1158 mp4->moov_atom.buf = &mp4->moov_atom_buf; | |
1159 | |
1160 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_moov_atoms, atom_data_size); | |
1161 | |
1162 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom done"); | |
1163 | |
1164 if (no_mdat) { | |
1165 mp4->buffer_start = mp4->buffer_pos; | |
1166 mp4->buffer_size = NGX_HTTP_MP4_MOOV_BUFFER_EXCESS; | |
1167 | |
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1168 if (mp4->buffer_start + mp4->buffer_size > mp4->buffer_end) { |
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1169 mp4->buffer = NULL; |
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1170 mp4->buffer_pos = NULL; |
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1171 mp4->buffer_end = NULL; |
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1172 } |
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1173 |
4085 | 1174 } else { |
1175 /* skip atoms after moov atom */ | |
1176 mp4->offset = mp4->end; | |
1177 } | |
1178 | |
1179 return rc; | |
1180 } | |
1181 | |
1182 | |
1183 static ngx_int_t | |
1184 ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1185 { | |
1186 ngx_buf_t *data; | |
1187 | |
1188 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdat atom"); | |
1189 | |
1190 data = &mp4->mdat_data_buf; | |
1191 data->file = &mp4->file; | |
1192 data->in_file = 1; | |
6722
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1193 data->last_buf = (mp4->request == mp4->request->main) ? 1 : 0; |
4085 | 1194 data->last_in_chain = 1; |
1195 data->file_last = mp4->offset + atom_data_size; | |
1196 | |
1197 mp4->mdat_atom.buf = &mp4->mdat_atom_buf; | |
1198 mp4->mdat_atom.next = &mp4->mdat_data; | |
1199 mp4->mdat_data.buf = data; | |
1200 | |
1201 if (mp4->trak.nelts) { | |
1202 /* skip atoms after mdat atom */ | |
1203 mp4->offset = mp4->end; | |
1204 | |
1205 } else { | |
1206 ngx_mp4_atom_next(mp4, atom_data_size); | |
1207 } | |
1208 | |
1209 return NGX_OK; | |
1210 } | |
1211 | |
1212 | |
1213 static size_t | |
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1214 ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, off_t start_offset, |
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1215 off_t end_offset) |
4085 | 1216 { |
1217 off_t atom_data_size; | |
1218 u_char *atom_header; | |
1219 uint32_t atom_header_size; | |
1220 uint64_t atom_size; | |
1221 ngx_buf_t *atom; | |
1222 | |
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1223 atom_data_size = end_offset - start_offset; |
4085 | 1224 mp4->mdat_data.buf->file_pos = start_offset; |
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1225 mp4->mdat_data.buf->file_last = end_offset; |
4085 | 1226 |
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1227 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 1228 "mdat new offset @%O:%O", start_offset, atom_data_size); |
1229 | |
1230 atom_header = mp4->mdat_atom_header; | |
1231 | |
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1232 if ((uint64_t) atom_data_size > (uint64_t) 0xffffffff) { |
4085 | 1233 atom_size = 1; |
1234 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
1235 ngx_mp4_set_64value(atom_header + sizeof(ngx_mp4_atom_header_t), | |
1236 sizeof(ngx_mp4_atom_header64_t) + atom_data_size); | |
1237 } else { | |
1238 atom_size = sizeof(ngx_mp4_atom_header_t) + atom_data_size; | |
1239 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
1240 } | |
1241 | |
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1242 mp4->content_length += atom_header_size + atom_data_size; |
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1243 |
4085 | 1244 ngx_mp4_set_32value(atom_header, atom_size); |
1245 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'a', 't'); | |
1246 | |
1247 atom = &mp4->mdat_atom_buf; | |
1248 atom->temporary = 1; | |
1249 atom->pos = atom_header; | |
1250 atom->last = atom_header + atom_header_size; | |
1251 | |
1252 return atom_header_size; | |
1253 } | |
1254 | |
1255 | |
1256 typedef struct { | |
1257 u_char size[4]; | |
1258 u_char name[4]; | |
1259 u_char version[1]; | |
1260 u_char flags[3]; | |
1261 u_char creation_time[4]; | |
1262 u_char modification_time[4]; | |
1263 u_char timescale[4]; | |
1264 u_char duration[4]; | |
1265 u_char rate[4]; | |
1266 u_char volume[2]; | |
1267 u_char reserved[10]; | |
1268 u_char matrix[36]; | |
1269 u_char preview_time[4]; | |
1270 u_char preview_duration[4]; | |
1271 u_char poster_time[4]; | |
1272 u_char selection_time[4]; | |
1273 u_char selection_duration[4]; | |
1274 u_char current_time[4]; | |
1275 u_char next_track_id[4]; | |
1276 } ngx_mp4_mvhd_atom_t; | |
1277 | |
1278 typedef struct { | |
1279 u_char size[4]; | |
1280 u_char name[4]; | |
1281 u_char version[1]; | |
1282 u_char flags[3]; | |
1283 u_char creation_time[8]; | |
1284 u_char modification_time[8]; | |
1285 u_char timescale[4]; | |
1286 u_char duration[8]; | |
1287 u_char rate[4]; | |
1288 u_char volume[2]; | |
1289 u_char reserved[10]; | |
1290 u_char matrix[36]; | |
1291 u_char preview_time[4]; | |
1292 u_char preview_duration[4]; | |
1293 u_char poster_time[4]; | |
1294 u_char selection_time[4]; | |
1295 u_char selection_duration[4]; | |
1296 u_char current_time[4]; | |
1297 u_char next_track_id[4]; | |
1298 } ngx_mp4_mvhd64_atom_t; | |
1299 | |
1300 | |
1301 static ngx_int_t | |
1302 ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1303 { | |
1304 u_char *atom_header; | |
1305 size_t atom_size; | |
1306 uint32_t timescale; | |
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1307 uint64_t duration, start_time, length_time; |
4085 | 1308 ngx_buf_t *atom; |
1309 ngx_mp4_mvhd_atom_t *mvhd_atom; | |
1310 ngx_mp4_mvhd64_atom_t *mvhd64_atom; | |
1311 | |
1312 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mvhd atom"); | |
1313 | |
1314 atom_header = ngx_mp4_atom_header(mp4); | |
1315 mvhd_atom = (ngx_mp4_mvhd_atom_t *) atom_header; | |
1316 mvhd64_atom = (ngx_mp4_mvhd64_atom_t *) atom_header; | |
1317 ngx_mp4_set_atom_name(atom_header, 'm', 'v', 'h', 'd'); | |
1318 | |
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1319 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd_atom_t) > atom_data_size) { |
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1320 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1321 "\"%s\" mp4 mvhd atom too small", mp4->file.name.data); |
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1322 return NGX_ERROR; |
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1323 } |
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1324 |
4085 | 1325 if (mvhd_atom->version[0] == 0) { |
1326 /* version 0: 32-bit duration */ | |
1327 timescale = ngx_mp4_get_32value(mvhd_atom->timescale); | |
1328 duration = ngx_mp4_get_32value(mvhd_atom->duration); | |
1329 | |
1330 } else { | |
1331 /* version 1: 64-bit duration */ | |
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1332 |
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1333 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd64_atom_t) > atom_data_size) { |
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1334 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1335 "\"%s\" mp4 mvhd atom too small", |
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1336 mp4->file.name.data); |
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1337 return NGX_ERROR; |
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1338 } |
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1339 |
4085 | 1340 timescale = ngx_mp4_get_32value(mvhd64_atom->timescale); |
1341 duration = ngx_mp4_get_64value(mvhd64_atom->duration); | |
1342 } | |
1343 | |
1344 mp4->timescale = timescale; | |
1345 | |
1346 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1347 "mvhd timescale:%uD, duration:%uL, time:%.3fs", | |
1348 timescale, duration, (double) duration / timescale); | |
1349 | |
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1350 start_time = (uint64_t) mp4->start * timescale / 1000; |
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1351 |
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1352 if (duration < start_time) { |
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1353 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1354 "\"%s\" mp4 start time exceeds file duration", |
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1355 mp4->file.name.data); |
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1356 return NGX_ERROR; |
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1357 } |
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1358 |
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1359 duration -= start_time; |
4085 | 1360 |
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1361 if (mp4->length) { |
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1362 length_time = (uint64_t) mp4->length * timescale / 1000; |
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1363 |
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1364 if (duration > length_time) { |
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1365 duration = length_time; |
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1366 } |
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1367 } |
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1368 |
4085 | 1369 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
1370 "mvhd new duration:%uL, time:%.3fs", | |
1371 duration, (double) duration / timescale); | |
1372 | |
1373 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1374 ngx_mp4_set_32value(mvhd_atom->size, atom_size); | |
1375 | |
1376 if (mvhd_atom->version[0] == 0) { | |
1377 ngx_mp4_set_32value(mvhd_atom->duration, duration); | |
1378 | |
1379 } else { | |
1380 ngx_mp4_set_64value(mvhd64_atom->duration, duration); | |
1381 } | |
1382 | |
1383 atom = &mp4->mvhd_atom_buf; | |
1384 atom->temporary = 1; | |
1385 atom->pos = atom_header; | |
1386 atom->last = atom_header + atom_size; | |
1387 | |
1388 mp4->mvhd_atom.buf = atom; | |
1389 | |
1390 ngx_mp4_atom_next(mp4, atom_data_size); | |
1391 | |
1392 return NGX_OK; | |
1393 } | |
1394 | |
1395 | |
1396 static ngx_int_t | |
1397 ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1398 { | |
4099
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1399 u_char *atom_header, *atom_end; |
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1400 off_t atom_file_end; |
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1401 ngx_int_t rc; |
4085 | 1402 ngx_buf_t *atom; |
1403 ngx_http_mp4_trak_t *trak; | |
1404 | |
1405 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 trak atom"); | |
1406 | |
1407 trak = ngx_array_push(&mp4->trak); | |
1408 if (trak == NULL) { | |
1409 return NGX_ERROR; | |
1410 } | |
1411 | |
1412 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); | |
1413 | |
1414 atom_header = ngx_mp4_atom_header(mp4); | |
1415 ngx_mp4_set_atom_name(atom_header, 't', 'r', 'a', 'k'); | |
1416 | |
1417 atom = &trak->trak_atom_buf; | |
1418 atom->temporary = 1; | |
1419 atom->pos = atom_header; | |
1420 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1421 | |
1422 trak->out[NGX_HTTP_MP4_TRAK_ATOM].buf = atom; | |
1423 | |
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1424 atom_end = mp4->buffer_pos + (size_t) atom_data_size; |
4099
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1425 atom_file_end = mp4->offset + atom_data_size; |
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1426 |
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1427 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_trak_atoms, atom_data_size); |
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1428 |
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1429 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1430 "mp4 trak atom: %i", rc); |
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1431 |
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1432 if (rc == NGX_DECLINED) { |
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1433 /* skip this trak */ |
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1434 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); |
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1435 mp4->trak.nelts--; |
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1436 mp4->buffer_pos = atom_end; |
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1437 mp4->offset = atom_file_end; |
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1438 return NGX_OK; |
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1439 } |
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1440 |
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1441 return rc; |
4085 | 1442 } |
1443 | |
1444 | |
1445 static void | |
1446 ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
1447 ngx_http_mp4_trak_t *trak) | |
1448 { | |
1449 ngx_buf_t *atom; | |
1450 | |
1451 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1452 atom = &trak->trak_atom_buf; | |
1453 ngx_mp4_set_32value(atom->pos, trak->size); | |
1454 } | |
1455 | |
1456 | |
1457 static ngx_int_t | |
1458 ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1459 { | |
1460 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
1461 "\"%s\" mp4 compressed moov atom (cmov) is not supported", | |
1462 mp4->file.name.data); | |
1463 | |
1464 return NGX_ERROR; | |
1465 } | |
1466 | |
1467 | |
1468 typedef struct { | |
1469 u_char size[4]; | |
1470 u_char name[4]; | |
1471 u_char version[1]; | |
1472 u_char flags[3]; | |
1473 u_char creation_time[4]; | |
1474 u_char modification_time[4]; | |
1475 u_char track_id[4]; | |
1476 u_char reserved1[4]; | |
1477 u_char duration[4]; | |
1478 u_char reserved2[8]; | |
1479 u_char layer[2]; | |
1480 u_char group[2]; | |
1481 u_char volume[2]; | |
6504 | 1482 u_char reserved3[2]; |
4085 | 1483 u_char matrix[36]; |
1484 u_char width[4]; | |
6504 | 1485 u_char height[4]; |
4085 | 1486 } ngx_mp4_tkhd_atom_t; |
1487 | |
1488 typedef struct { | |
1489 u_char size[4]; | |
1490 u_char name[4]; | |
1491 u_char version[1]; | |
1492 u_char flags[3]; | |
1493 u_char creation_time[8]; | |
1494 u_char modification_time[8]; | |
1495 u_char track_id[4]; | |
1496 u_char reserved1[4]; | |
1497 u_char duration[8]; | |
1498 u_char reserved2[8]; | |
1499 u_char layer[2]; | |
1500 u_char group[2]; | |
1501 u_char volume[2]; | |
6504 | 1502 u_char reserved3[2]; |
4085 | 1503 u_char matrix[36]; |
1504 u_char width[4]; | |
6504 | 1505 u_char height[4]; |
4085 | 1506 } ngx_mp4_tkhd64_atom_t; |
1507 | |
1508 | |
1509 static ngx_int_t | |
1510 ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1511 { | |
1512 u_char *atom_header; | |
1513 size_t atom_size; | |
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diff
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1514 uint64_t duration, start_time, length_time; |
4085 | 1515 ngx_buf_t *atom; |
1516 ngx_http_mp4_trak_t *trak; | |
1517 ngx_mp4_tkhd_atom_t *tkhd_atom; | |
1518 ngx_mp4_tkhd64_atom_t *tkhd64_atom; | |
1519 | |
1520 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 tkhd atom"); | |
1521 | |
1522 atom_header = ngx_mp4_atom_header(mp4); | |
1523 tkhd_atom = (ngx_mp4_tkhd_atom_t *) atom_header; | |
1524 tkhd64_atom = (ngx_mp4_tkhd64_atom_t *) atom_header; | |
1525 ngx_mp4_set_atom_name(tkhd_atom, 't', 'k', 'h', 'd'); | |
1526 | |
4585
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|
1527 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd_atom_t) > atom_data_size) { |
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|
1528 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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|
1529 "\"%s\" mp4 tkhd atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
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|
1530 return NGX_ERROR; |
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Mp4: sanity checks cleanup.
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|
1531 } |
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|
1532 |
4085 | 1533 if (tkhd_atom->version[0] == 0) { |
1534 /* version 0: 32-bit duration */ | |
1535 duration = ngx_mp4_get_32value(tkhd_atom->duration); | |
1536 | |
1537 } else { | |
1538 /* version 1: 64-bit duration */ | |
4585
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diff
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1539 |
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1540 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd64_atom_t) > atom_data_size) { |
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|
1541 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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|
1542 "\"%s\" mp4 tkhd atom too small", |
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Mp4: sanity checks cleanup.
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|
1543 mp4->file.name.data); |
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Mp4: sanity checks cleanup.
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|
1544 return NGX_ERROR; |
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|
1545 } |
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|
1546 |
4085 | 1547 duration = ngx_mp4_get_64value(tkhd64_atom->duration); |
1548 } | |
1549 | |
1550 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1551 "tkhd duration:%uL, time:%.3fs", | |
1552 duration, (double) duration / mp4->timescale); | |
1553 | |
5543
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5542
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|
1554 start_time = (uint64_t) mp4->start * mp4->timescale / 1000; |
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
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|
1555 |
5629
c7bbc5fcf27c
Mp4: fixed seeking to a track end.
Roman Arutyunyan <arut@nginx.com>
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5622
diff
changeset
|
1556 if (duration <= start_time) { |
5543
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
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|
1557 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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|
1558 "tkhd duration is less than start time"); |
5730c0193842
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|
1559 return NGX_DECLINED; |
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
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|
1560 } |
5730c0193842
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|
1561 |
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|
1562 duration -= start_time; |
4085 | 1563 |
5620
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|
1564 if (mp4->length) { |
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|
1565 length_time = (uint64_t) mp4->length * mp4->timescale / 1000; |
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1566 |
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1567 if (duration > length_time) { |
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|
1568 duration = length_time; |
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1569 } |
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1570 } |
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|
1571 |
4085 | 1572 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
1573 "tkhd new duration:%uL, time:%.3fs", | |
1574 duration, (double) duration / mp4->timescale); | |
1575 | |
1576 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1577 | |
1578 trak = ngx_mp4_last_trak(mp4); | |
1579 trak->tkhd_size = atom_size; | |
1580 | |
1581 ngx_mp4_set_32value(tkhd_atom->size, atom_size); | |
1582 | |
1583 if (tkhd_atom->version[0] == 0) { | |
1584 ngx_mp4_set_32value(tkhd_atom->duration, duration); | |
1585 | |
1586 } else { | |
1587 ngx_mp4_set_64value(tkhd64_atom->duration, duration); | |
1588 } | |
1589 | |
1590 atom = &trak->tkhd_atom_buf; | |
1591 atom->temporary = 1; | |
1592 atom->pos = atom_header; | |
1593 atom->last = atom_header + atom_size; | |
1594 | |
1595 trak->out[NGX_HTTP_MP4_TKHD_ATOM].buf = atom; | |
1596 | |
1597 ngx_mp4_atom_next(mp4, atom_data_size); | |
1598 | |
1599 return NGX_OK; | |
1600 } | |
1601 | |
1602 | |
1603 static ngx_int_t | |
1604 ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1605 { | |
1606 u_char *atom_header; | |
1607 ngx_buf_t *atom; | |
1608 ngx_http_mp4_trak_t *trak; | |
1609 | |
1610 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process mdia atom"); | |
1611 | |
1612 atom_header = ngx_mp4_atom_header(mp4); | |
1613 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'i', 'a'); | |
1614 | |
1615 trak = ngx_mp4_last_trak(mp4); | |
1616 | |
1617 atom = &trak->mdia_atom_buf; | |
1618 atom->temporary = 1; | |
1619 atom->pos = atom_header; | |
1620 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1621 | |
1622 trak->out[NGX_HTTP_MP4_MDIA_ATOM].buf = atom; | |
1623 | |
1624 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_mdia_atoms, atom_data_size); | |
1625 } | |
1626 | |
1627 | |
1628 static void | |
1629 ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
1630 ngx_http_mp4_trak_t *trak) | |
1631 { | |
1632 ngx_buf_t *atom; | |
1633 | |
1634 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1635 atom = &trak->mdia_atom_buf; | |
1636 ngx_mp4_set_32value(atom->pos, trak->size); | |
1637 } | |
1638 | |
1639 | |
1640 typedef struct { | |
1641 u_char size[4]; | |
1642 u_char name[4]; | |
1643 u_char version[1]; | |
1644 u_char flags[3]; | |
1645 u_char creation_time[4]; | |
1646 u_char modification_time[4]; | |
1647 u_char timescale[4]; | |
1648 u_char duration[4]; | |
1649 u_char language[2]; | |
1650 u_char quality[2]; | |
1651 } ngx_mp4_mdhd_atom_t; | |
1652 | |
1653 typedef struct { | |
1654 u_char size[4]; | |
1655 u_char name[4]; | |
1656 u_char version[1]; | |
1657 u_char flags[3]; | |
1658 u_char creation_time[8]; | |
1659 u_char modification_time[8]; | |
1660 u_char timescale[4]; | |
1661 u_char duration[8]; | |
1662 u_char language[2]; | |
1663 u_char quality[2]; | |
1664 } ngx_mp4_mdhd64_atom_t; | |
1665 | |
1666 | |
1667 static ngx_int_t | |
1668 ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1669 { | |
1670 u_char *atom_header; | |
1671 size_t atom_size; | |
1672 uint32_t timescale; | |
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1673 uint64_t duration, start_time, length_time; |
4085 | 1674 ngx_buf_t *atom; |
1675 ngx_http_mp4_trak_t *trak; | |
1676 ngx_mp4_mdhd_atom_t *mdhd_atom; | |
1677 ngx_mp4_mdhd64_atom_t *mdhd64_atom; | |
1678 | |
1679 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdhd atom"); | |
1680 | |
1681 atom_header = ngx_mp4_atom_header(mp4); | |
1682 mdhd_atom = (ngx_mp4_mdhd_atom_t *) atom_header; | |
1683 mdhd64_atom = (ngx_mp4_mdhd64_atom_t *) atom_header; | |
1684 ngx_mp4_set_atom_name(mdhd_atom, 'm', 'd', 'h', 'd'); | |
1685 | |
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1686 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd_atom_t) > atom_data_size) { |
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1687 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1688 "\"%s\" mp4 mdhd atom too small", mp4->file.name.data); |
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1689 return NGX_ERROR; |
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1690 } |
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1691 |
4085 | 1692 if (mdhd_atom->version[0] == 0) { |
1693 /* version 0: everything is 32-bit */ | |
1694 timescale = ngx_mp4_get_32value(mdhd_atom->timescale); | |
1695 duration = ngx_mp4_get_32value(mdhd_atom->duration); | |
1696 | |
1697 } else { | |
1698 /* version 1: 64-bit duration and 32-bit timescale */ | |
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1699 |
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1700 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd64_atom_t) > atom_data_size) { |
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1701 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1702 "\"%s\" mp4 mdhd atom too small", |
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1703 mp4->file.name.data); |
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1704 return NGX_ERROR; |
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1705 } |
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1706 |
4085 | 1707 timescale = ngx_mp4_get_32value(mdhd64_atom->timescale); |
1708 duration = ngx_mp4_get_64value(mdhd64_atom->duration); | |
1709 } | |
1710 | |
1711 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1712 "mdhd timescale:%uD, duration:%uL, time:%.3fs", | |
1713 timescale, duration, (double) duration / timescale); | |
1714 | |
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1715 start_time = (uint64_t) mp4->start * timescale / 1000; |
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1716 |
5629
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1717 if (duration <= start_time) { |
5543
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1718 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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|
1719 "mdhd duration is less than start time"); |
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|
1720 return NGX_DECLINED; |
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|
1721 } |
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1722 |
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1723 duration -= start_time; |
4085 | 1724 |
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1725 if (mp4->length) { |
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1726 length_time = (uint64_t) mp4->length * timescale / 1000; |
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1727 |
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1728 if (duration > length_time) { |
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1729 duration = length_time; |
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1730 } |
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|
1731 } |
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1732 |
4085 | 1733 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
1734 "mdhd new duration:%uL, time:%.3fs", | |
1735 duration, (double) duration / timescale); | |
1736 | |
1737 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1738 | |
1739 trak = ngx_mp4_last_trak(mp4); | |
1740 trak->mdhd_size = atom_size; | |
1741 trak->timescale = timescale; | |
1742 | |
1743 ngx_mp4_set_32value(mdhd_atom->size, atom_size); | |
1744 | |
1745 if (mdhd_atom->version[0] == 0) { | |
1746 ngx_mp4_set_32value(mdhd_atom->duration, duration); | |
1747 | |
1748 } else { | |
1749 ngx_mp4_set_64value(mdhd64_atom->duration, duration); | |
1750 } | |
1751 | |
1752 atom = &trak->mdhd_atom_buf; | |
1753 atom->temporary = 1; | |
1754 atom->pos = atom_header; | |
1755 atom->last = atom_header + atom_size; | |
1756 | |
1757 trak->out[NGX_HTTP_MP4_MDHD_ATOM].buf = atom; | |
1758 | |
1759 ngx_mp4_atom_next(mp4, atom_data_size); | |
1760 | |
1761 return NGX_OK; | |
1762 } | |
1763 | |
1764 | |
1765 static ngx_int_t | |
1766 ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1767 { | |
1768 u_char *atom_header; | |
1769 size_t atom_size; | |
1770 ngx_buf_t *atom; | |
1771 ngx_http_mp4_trak_t *trak; | |
1772 | |
1773 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 hdlr atom"); | |
1774 | |
1775 atom_header = ngx_mp4_atom_header(mp4); | |
1776 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1777 ngx_mp4_set_32value(atom_header, atom_size); | |
1778 ngx_mp4_set_atom_name(atom_header, 'h', 'd', 'l', 'r'); | |
1779 | |
1780 trak = ngx_mp4_last_trak(mp4); | |
1781 | |
1782 atom = &trak->hdlr_atom_buf; | |
1783 atom->temporary = 1; | |
1784 atom->pos = atom_header; | |
1785 atom->last = atom_header + atom_size; | |
1786 | |
1787 trak->hdlr_size = atom_size; | |
1788 trak->out[NGX_HTTP_MP4_HDLR_ATOM].buf = atom; | |
1789 | |
1790 ngx_mp4_atom_next(mp4, atom_data_size); | |
1791 | |
1792 return NGX_OK; | |
1793 } | |
1794 | |
1795 | |
1796 static ngx_int_t | |
1797 ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1798 { | |
1799 u_char *atom_header; | |
1800 ngx_buf_t *atom; | |
1801 ngx_http_mp4_trak_t *trak; | |
1802 | |
1803 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process minf atom"); | |
1804 | |
1805 atom_header = ngx_mp4_atom_header(mp4); | |
1806 ngx_mp4_set_atom_name(atom_header, 'm', 'i', 'n', 'f'); | |
1807 | |
1808 trak = ngx_mp4_last_trak(mp4); | |
1809 | |
1810 atom = &trak->minf_atom_buf; | |
1811 atom->temporary = 1; | |
1812 atom->pos = atom_header; | |
1813 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1814 | |
1815 trak->out[NGX_HTTP_MP4_MINF_ATOM].buf = atom; | |
1816 | |
1817 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_minf_atoms, atom_data_size); | |
1818 } | |
1819 | |
1820 | |
1821 static void | |
1822 ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
1823 ngx_http_mp4_trak_t *trak) | |
1824 { | |
1825 ngx_buf_t *atom; | |
1826 | |
1827 trak->size += sizeof(ngx_mp4_atom_header_t) | |
1828 + trak->vmhd_size | |
1829 + trak->smhd_size | |
1830 + trak->dinf_size; | |
1831 atom = &trak->minf_atom_buf; | |
1832 ngx_mp4_set_32value(atom->pos, trak->size); | |
1833 } | |
1834 | |
1835 | |
1836 static ngx_int_t | |
1837 ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1838 { | |
1839 u_char *atom_header; | |
1840 size_t atom_size; | |
1841 ngx_buf_t *atom; | |
1842 ngx_http_mp4_trak_t *trak; | |
1843 | |
1844 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 vmhd atom"); | |
1845 | |
1846 atom_header = ngx_mp4_atom_header(mp4); | |
1847 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1848 ngx_mp4_set_32value(atom_header, atom_size); | |
1849 ngx_mp4_set_atom_name(atom_header, 'v', 'm', 'h', 'd'); | |
1850 | |
1851 trak = ngx_mp4_last_trak(mp4); | |
1852 | |
1853 atom = &trak->vmhd_atom_buf; | |
1854 atom->temporary = 1; | |
1855 atom->pos = atom_header; | |
1856 atom->last = atom_header + atom_size; | |
1857 | |
1858 trak->vmhd_size += atom_size; | |
1859 trak->out[NGX_HTTP_MP4_VMHD_ATOM].buf = atom; | |
1860 | |
1861 ngx_mp4_atom_next(mp4, atom_data_size); | |
1862 | |
1863 return NGX_OK; | |
1864 } | |
1865 | |
1866 | |
1867 static ngx_int_t | |
1868 ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1869 { | |
1870 u_char *atom_header; | |
1871 size_t atom_size; | |
1872 ngx_buf_t *atom; | |
1873 ngx_http_mp4_trak_t *trak; | |
1874 | |
1875 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 smhd atom"); | |
1876 | |
1877 atom_header = ngx_mp4_atom_header(mp4); | |
1878 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1879 ngx_mp4_set_32value(atom_header, atom_size); | |
1880 ngx_mp4_set_atom_name(atom_header, 's', 'm', 'h', 'd'); | |
1881 | |
1882 trak = ngx_mp4_last_trak(mp4); | |
1883 | |
1884 atom = &trak->smhd_atom_buf; | |
1885 atom->temporary = 1; | |
1886 atom->pos = atom_header; | |
1887 atom->last = atom_header + atom_size; | |
1888 | |
5807
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diff
changeset
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1889 trak->smhd_size += atom_size; |
4085 | 1890 trak->out[NGX_HTTP_MP4_SMHD_ATOM].buf = atom; |
1891 | |
1892 ngx_mp4_atom_next(mp4, atom_data_size); | |
1893 | |
1894 return NGX_OK; | |
1895 } | |
1896 | |
1897 | |
1898 static ngx_int_t | |
1899 ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1900 { | |
1901 u_char *atom_header; | |
1902 size_t atom_size; | |
1903 ngx_buf_t *atom; | |
1904 ngx_http_mp4_trak_t *trak; | |
1905 | |
1906 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 dinf atom"); | |
1907 | |
1908 atom_header = ngx_mp4_atom_header(mp4); | |
1909 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1910 ngx_mp4_set_32value(atom_header, atom_size); | |
1911 ngx_mp4_set_atom_name(atom_header, 'd', 'i', 'n', 'f'); | |
1912 | |
1913 trak = ngx_mp4_last_trak(mp4); | |
1914 | |
1915 atom = &trak->dinf_atom_buf; | |
1916 atom->temporary = 1; | |
1917 atom->pos = atom_header; | |
1918 atom->last = atom_header + atom_size; | |
1919 | |
1920 trak->dinf_size += atom_size; | |
1921 trak->out[NGX_HTTP_MP4_DINF_ATOM].buf = atom; | |
1922 | |
1923 ngx_mp4_atom_next(mp4, atom_data_size); | |
1924 | |
1925 return NGX_OK; | |
1926 } | |
1927 | |
1928 | |
1929 static ngx_int_t | |
1930 ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1931 { | |
1932 u_char *atom_header; | |
1933 ngx_buf_t *atom; | |
1934 ngx_http_mp4_trak_t *trak; | |
1935 | |
1936 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process stbl atom"); | |
1937 | |
1938 atom_header = ngx_mp4_atom_header(mp4); | |
1939 ngx_mp4_set_atom_name(atom_header, 's', 't', 'b', 'l'); | |
1940 | |
1941 trak = ngx_mp4_last_trak(mp4); | |
1942 | |
1943 atom = &trak->stbl_atom_buf; | |
1944 atom->temporary = 1; | |
1945 atom->pos = atom_header; | |
1946 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1947 | |
1948 trak->out[NGX_HTTP_MP4_STBL_ATOM].buf = atom; | |
1949 | |
1950 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_stbl_atoms, atom_data_size); | |
1951 } | |
1952 | |
1953 | |
1954 static void | |
1955 ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
1956 ngx_http_mp4_trak_t *trak) | |
1957 { | |
1958 ngx_buf_t *atom; | |
1959 | |
1960 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1961 atom = &trak->stbl_atom_buf; | |
1962 ngx_mp4_set_32value(atom->pos, trak->size); | |
1963 } | |
1964 | |
1965 | |
1966 typedef struct { | |
1967 u_char size[4]; | |
1968 u_char name[4]; | |
1969 u_char version[1]; | |
1970 u_char flags[3]; | |
1971 u_char entries[4]; | |
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1972 |
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|
1973 u_char media_size[4]; |
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|
1974 u_char media_name[4]; |
4085 | 1975 } ngx_mp4_stsd_atom_t; |
1976 | |
1977 | |
1978 static ngx_int_t | |
1979 ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1980 { | |
1981 u_char *atom_header, *atom_table; | |
1982 size_t atom_size; | |
1983 ngx_buf_t *atom; | |
1984 ngx_mp4_stsd_atom_t *stsd_atom; | |
1985 ngx_http_mp4_trak_t *trak; | |
1986 | |
1987 /* sample description atom */ | |
1988 | |
1989 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsd atom"); | |
1990 | |
1991 atom_header = ngx_mp4_atom_header(mp4); | |
1992 stsd_atom = (ngx_mp4_stsd_atom_t *) atom_header; | |
1993 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1994 atom_table = atom_header + atom_size; | |
1995 ngx_mp4_set_32value(stsd_atom->size, atom_size); | |
1996 ngx_mp4_set_atom_name(stsd_atom, 's', 't', 's', 'd'); | |
1997 | |
4585
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1998 if (ngx_mp4_atom_data_size(ngx_mp4_stsd_atom_t) > atom_data_size) { |
4099
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1999 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2000 "\"%s\" mp4 stsd atom too small", mp4->file.name.data); |
4099
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2001 return NGX_ERROR; |
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|
2002 } |
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|
2003 |
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2004 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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2005 "stsd entries:%uD, media:%*s", |
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2006 ngx_mp4_get_32value(stsd_atom->entries), |
6478
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Fixed logging with variable field width.
Sergey Kandaurov <pluknet@nginx.com>
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6474
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|
2007 (size_t) 4, stsd_atom->media_name); |
4099
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2008 |
4085 | 2009 trak = ngx_mp4_last_trak(mp4); |
2010 | |
2011 atom = &trak->stsd_atom_buf; | |
2012 atom->temporary = 1; | |
2013 atom->pos = atom_header; | |
2014 atom->last = atom_table; | |
2015 | |
2016 trak->out[NGX_HTTP_MP4_STSD_ATOM].buf = atom; | |
2017 trak->size += atom_size; | |
2018 | |
2019 ngx_mp4_atom_next(mp4, atom_data_size); | |
2020 | |
2021 return NGX_OK; | |
2022 } | |
2023 | |
2024 | |
2025 typedef struct { | |
2026 u_char size[4]; | |
2027 u_char name[4]; | |
2028 u_char version[1]; | |
2029 u_char flags[3]; | |
2030 u_char entries[4]; | |
2031 } ngx_mp4_stts_atom_t; | |
2032 | |
2033 typedef struct { | |
2034 u_char count[4]; | |
2035 u_char duration[4]; | |
2036 } ngx_mp4_stts_entry_t; | |
2037 | |
2038 | |
2039 static ngx_int_t | |
2040 ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2041 { | |
2042 u_char *atom_header, *atom_table, *atom_end; | |
2043 uint32_t entries; | |
2044 ngx_buf_t *atom, *data; | |
2045 ngx_mp4_stts_atom_t *stts_atom; | |
2046 ngx_http_mp4_trak_t *trak; | |
2047 | |
2048 /* time-to-sample atom */ | |
2049 | |
2050 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stts atom"); | |
2051 | |
2052 atom_header = ngx_mp4_atom_header(mp4); | |
2053 stts_atom = (ngx_mp4_stts_atom_t *) atom_header; | |
2054 ngx_mp4_set_atom_name(stts_atom, 's', 't', 't', 's'); | |
2055 | |
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2056 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) > atom_data_size) { |
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2057 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2058 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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2059 return NGX_ERROR; |
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|
2060 } |
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2061 |
4085 | 2062 entries = ngx_mp4_get_32value(stts_atom->entries); |
2063 | |
2064 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2065 "mp4 time-to-sample entries:%uD", entries); |
4085 | 2066 |
4585
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2067 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) |
3f874d645f45
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|
2068 + entries * sizeof(ngx_mp4_stts_entry_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
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4579
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2069 { |
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Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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|
2070 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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Mp4: sanity checks cleanup.
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4579
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|
2071 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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2072 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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|
2073 } |
3f874d645f45
Mp4: sanity checks cleanup.
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|
2074 |
4085 | 2075 atom_table = atom_header + sizeof(ngx_mp4_stts_atom_t); |
2076 atom_end = atom_table + entries * sizeof(ngx_mp4_stts_entry_t); | |
2077 | |
2078 trak = ngx_mp4_last_trak(mp4); | |
2079 trak->time_to_sample_entries = entries; | |
2080 | |
2081 atom = &trak->stts_atom_buf; | |
2082 atom->temporary = 1; | |
2083 atom->pos = atom_header; | |
2084 atom->last = atom_table; | |
2085 | |
2086 data = &trak->stts_data_buf; | |
2087 data->temporary = 1; | |
2088 data->pos = atom_table; | |
2089 data->last = atom_end; | |
2090 | |
2091 trak->out[NGX_HTTP_MP4_STTS_ATOM].buf = atom; | |
2092 trak->out[NGX_HTTP_MP4_STTS_DATA].buf = data; | |
2093 | |
2094 ngx_mp4_atom_next(mp4, atom_data_size); | |
2095 | |
2096 return NGX_OK; | |
2097 } | |
2098 | |
2099 | |
2100 static ngx_int_t | |
2101 ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
2102 ngx_http_mp4_trak_t *trak) | |
2103 { | |
5619
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Mp4: moved atom cropping code out of update functions.
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|
2104 size_t atom_size; |
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2105 ngx_buf_t *atom, *data; |
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Mp4: moved atom cropping code out of update functions.
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|
2106 ngx_mp4_stts_atom_t *stts_atom; |
4085 | 2107 |
2108 /* | |
2109 * mdia.minf.stbl.stts updating requires trak->timescale | |
2110 * from mdia.mdhd atom which may reside after mdia.minf | |
2111 */ | |
2112 | |
2113 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2114 "mp4 stts atom update"); | |
2115 | |
2116 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; | |
2117 | |
2118 if (data == NULL) { | |
2119 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2120 "no mp4 stts atoms were found in \"%s\"", | |
2121 mp4->file.name.data); | |
2122 return NGX_ERROR; | |
2123 } | |
2124 | |
5620
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5619
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2125 if (ngx_http_mp4_crop_stts_data(mp4, trak, 1) != NGX_OK) { |
0a567878254b
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5619
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|
2126 return NGX_ERROR; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
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|
2127 } |
0a567878254b
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5619
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|
2128 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
2129 if (ngx_http_mp4_crop_stts_data(mp4, trak, 0) != NGX_OK) { |
5619
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|
2130 return NGX_ERROR; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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|
2131 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
2132 |
5630
02584b335727
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5629
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|
2133 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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|
2134 "time-to-sample entries:%uD", trak->time_to_sample_entries); |
02584b335727
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5629
diff
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|
2135 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2136 atom_size = sizeof(ngx_mp4_stts_atom_t) + (data->last - data->pos); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2137 trak->size += atom_size; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
2138 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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|
2139 atom = trak->out[NGX_HTTP_MP4_STTS_ATOM].buf; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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parents:
5578
diff
changeset
|
2140 stts_atom = (ngx_mp4_stts_atom_t *) atom->pos; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
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|
2141 ngx_mp4_set_32value(stts_atom->size, atom_size); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2142 ngx_mp4_set_32value(stts_atom->entries, trak->time_to_sample_entries); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
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|
2143 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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changeset
|
2144 return NGX_OK; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
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|
2145 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
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|
2146 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2147 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2148 static ngx_int_t |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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5578
diff
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|
2149 ngx_http_mp4_crop_stts_data(ngx_http_mp4_file_t *mp4, |
5620
0a567878254b
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5619
diff
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|
2150 ngx_http_mp4_trak_t *trak, ngx_uint_t start) |
5619
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Mp4: moved atom cropping code out of update functions.
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|
2151 { |
5620
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diff
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|
2152 uint32_t count, duration, rest; |
5619
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|
2153 uint64_t start_time; |
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|
2154 ngx_buf_t *data; |
5620
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|
2155 ngx_uint_t start_sample, entries, start_sec; |
5619
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|
2156 ngx_mp4_stts_entry_t *entry, *end; |
517b5b599e3f
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|
2157 |
5620
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|
2158 if (start) { |
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2159 start_sec = mp4->start; |
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2160 |
5630
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diff
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|
2161 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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diff
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|
2162 "mp4 stts crop start_time:%ui", start_sec); |
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2163 |
5620
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|
2164 } else if (mp4->length) { |
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|
2165 start_sec = mp4->length; |
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|
2166 |
5630
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|
2167 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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|
2168 "mp4 stts crop end_time:%ui", start_sec); |
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|
2169 |
5620
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|
2170 } else { |
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|
2171 return NGX_OK; |
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5619
diff
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|
2172 } |
0a567878254b
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|
2173 |
5619
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|
2174 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; |
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|
2175 |
5620
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changeset
|
2176 start_time = (uint64_t) start_sec * trak->timescale / 1000; |
4085 | 2177 |
5619
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|
2178 entries = trak->time_to_sample_entries; |
4085 | 2179 start_sample = 0; |
2180 entry = (ngx_mp4_stts_entry_t *) data->pos; | |
2181 end = (ngx_mp4_stts_entry_t *) data->last; | |
2182 | |
2183 while (entry < end) { | |
2184 count = ngx_mp4_get_32value(entry->count); | |
2185 duration = ngx_mp4_get_32value(entry->duration); | |
2186 | |
5630
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|
2187 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
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2188 "time:%uL, count:%uD, duration:%uD", |
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2189 start_time, count, duration); |
4085 | 2190 |
4306 | 2191 if (start_time < (uint64_t) count * duration) { |
4085 | 2192 start_sample += (ngx_uint_t) (start_time / duration); |
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2193 rest = (uint32_t) (start_time / duration); |
4085 | 2194 goto found; |
2195 } | |
2196 | |
2197 start_sample += count; | |
2198 start_time -= count * duration; | |
2199 entries--; | |
2200 entry++; | |
2201 } | |
2202 | |
5638
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2203 if (start) { |
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2204 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2205 "start time is out mp4 stts samples in \"%s\"", |
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2206 mp4->file.name.data); |
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2207 |
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2208 return NGX_ERROR; |
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2209 |
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2210 } else { |
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2211 trak->end_sample = trak->start_sample + start_sample; |
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2212 |
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2213 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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2214 "end_sample:%ui", trak->end_sample); |
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2215 |
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2216 return NGX_OK; |
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2217 } |
4085 | 2218 |
2219 found: | |
2220 | |
5620
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2221 if (start) { |
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2222 ngx_mp4_set_32value(entry->count, count - rest); |
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2223 data->pos = (u_char *) entry; |
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2224 trak->time_to_sample_entries = entries; |
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2225 trak->start_sample = start_sample; |
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2226 |
5630
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2227 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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2228 "start_sample:%ui, new count:%uD", |
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2229 trak->start_sample, count - rest); |
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2230 |
5620
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2231 } else { |
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2232 ngx_mp4_set_32value(entry->count, rest); |
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2233 data->last = (u_char *) (entry + 1); |
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2234 trak->time_to_sample_entries -= entries - 1; |
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2235 trak->end_sample = trak->start_sample + start_sample; |
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2236 |
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2237 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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2238 "end_sample:%ui, new count:%uD", |
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2239 trak->end_sample, rest); |
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2240 } |
4085 | 2241 |
2242 return NGX_OK; | |
2243 } | |
2244 | |
2245 | |
2246 typedef struct { | |
2247 u_char size[4]; | |
2248 u_char name[4]; | |
2249 u_char version[1]; | |
2250 u_char flags[3]; | |
2251 u_char entries[4]; | |
2252 } ngx_http_mp4_stss_atom_t; | |
2253 | |
2254 | |
2255 static ngx_int_t | |
2256 ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2257 { | |
2258 u_char *atom_header, *atom_table, *atom_end; | |
2259 uint32_t entries; | |
2260 ngx_buf_t *atom, *data; | |
2261 ngx_http_mp4_trak_t *trak; | |
2262 ngx_http_mp4_stss_atom_t *stss_atom; | |
2263 | |
2264 /* sync samples atom */ | |
2265 | |
2266 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stss atom"); | |
2267 | |
2268 atom_header = ngx_mp4_atom_header(mp4); | |
2269 stss_atom = (ngx_http_mp4_stss_atom_t *) atom_header; | |
2270 ngx_mp4_set_atom_name(stss_atom, 's', 't', 's', 's'); | |
2271 | |
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2272 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) > atom_data_size) { |
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2273 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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|
2274 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
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|
2275 return NGX_ERROR; |
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2276 } |
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2277 |
4085 | 2278 entries = ngx_mp4_get_32value(stss_atom->entries); |
2279 | |
2280 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2281 "sync sample entries:%uD", entries); |
4085 | 2282 |
2283 trak = ngx_mp4_last_trak(mp4); | |
2284 trak->sync_samples_entries = entries; | |
2285 | |
2286 atom_table = atom_header + sizeof(ngx_http_mp4_stss_atom_t); | |
2287 | |
2288 atom = &trak->stss_atom_buf; | |
2289 atom->temporary = 1; | |
2290 atom->pos = atom_header; | |
2291 atom->last = atom_table; | |
2292 | |
4585
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2293 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) |
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2294 + entries * sizeof(uint32_t) > atom_data_size) |
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2295 { |
4085 | 2296 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
4585
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|
2297 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
4085 | 2298 return NGX_ERROR; |
2299 } | |
2300 | |
4585
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2301 atom_end = atom_table + entries * sizeof(uint32_t); |
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2302 |
4085 | 2303 data = &trak->stss_data_buf; |
2304 data->temporary = 1; | |
2305 data->pos = atom_table; | |
2306 data->last = atom_end; | |
2307 | |
2308 trak->out[NGX_HTTP_MP4_STSS_ATOM].buf = atom; | |
2309 trak->out[NGX_HTTP_MP4_STSS_DATA].buf = data; | |
2310 | |
2311 ngx_mp4_atom_next(mp4, atom_data_size); | |
2312 | |
2313 return NGX_OK; | |
2314 } | |
2315 | |
2316 | |
2317 static ngx_int_t | |
2318 ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
2319 ngx_http_mp4_trak_t *trak) | |
2320 { | |
2321 size_t atom_size; | |
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2322 uint32_t sample, start_sample, *entry, *end; |
4085 | 2323 ngx_buf_t *atom, *data; |
2324 ngx_http_mp4_stss_atom_t *stss_atom; | |
2325 | |
2326 /* | |
2327 * mdia.minf.stbl.stss updating requires trak->start_sample | |
2328 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2329 * atom which may reside after mdia.minf | |
2330 */ | |
2331 | |
2332 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2333 "mp4 stss atom update"); | |
2334 | |
2335 data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; | |
2336 | |
2337 if (data == NULL) { | |
2338 return NGX_OK; | |
2339 } | |
2340 | |
5620
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2341 ngx_http_mp4_crop_stss_data(mp4, trak, 1); |
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2342 ngx_http_mp4_crop_stss_data(mp4, trak, 0); |
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2343 |
5630
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2344 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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2345 "sync sample entries:%uD", trak->sync_samples_entries); |
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2346 |
5622
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2347 if (trak->sync_samples_entries) { |
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2348 entry = (uint32_t *) data->pos; |
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2349 end = (uint32_t *) data->last; |
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2350 |
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2351 start_sample = trak->start_sample; |
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2352 |
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2353 while (entry < end) { |
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2354 sample = ngx_mp4_get_32value(entry); |
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2355 sample -= start_sample; |
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2356 ngx_mp4_set_32value(entry, sample); |
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2357 entry++; |
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2358 } |
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2359 |
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2360 } else { |
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2361 trak->out[NGX_HTTP_MP4_STSS_DATA].buf = NULL; |
5619
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2362 } |
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2363 |
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2364 atom_size = sizeof(ngx_http_mp4_stss_atom_t) + (data->last - data->pos); |
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2365 trak->size += atom_size; |
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2366 |
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2367 atom = trak->out[NGX_HTTP_MP4_STSS_ATOM].buf; |
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2368 stss_atom = (ngx_http_mp4_stss_atom_t *) atom->pos; |
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2369 |
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2370 ngx_mp4_set_32value(stss_atom->size, atom_size); |
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2371 ngx_mp4_set_32value(stss_atom->entries, trak->sync_samples_entries); |
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2372 |
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2373 return NGX_OK; |
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2374 } |
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2375 |
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2376 |
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2377 static void |
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|
2378 ngx_http_mp4_crop_stss_data(ngx_http_mp4_file_t *mp4, |
5620
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diff
changeset
|
2379 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
|
2380 { |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
2381 uint32_t sample, start_sample, *entry, *end; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
2382 ngx_buf_t *data; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
2383 ngx_uint_t entries; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2384 |
5620
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Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2385 /* sync samples starts from 1 */ |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2386 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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5619
diff
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|
2387 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
2388 start_sample = trak->start_sample + 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2389 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2390 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:
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diff
changeset
|
2391 "mp4 stss crop start_sample:%uD", start_sample); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2392 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
2393 } else if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
2394 start_sample = trak->end_sample + 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2395 |
5630
02584b335727
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Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2396 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
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5629
diff
changeset
|
2397 "mp4 stss crop end_sample:%uD", start_sample); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2398 |
5620
0a567878254b
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Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2399 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2400 return; |
0a567878254b
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Roman Arutyunyan <arut@nginx.com>
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5619
diff
changeset
|
2401 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2402 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2403 data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2404 |
4085 | 2405 entries = trak->sync_samples_entries; |
2406 entry = (uint32_t *) data->pos; | |
2407 end = (uint32_t *) data->last; | |
2408 | |
2409 while (entry < end) { | |
2410 sample = ngx_mp4_get_32value(entry); | |
2411 | |
5630
02584b335727
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
2412 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
02584b335727
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diff
changeset
|
2413 "sync:%uD", sample); |
4085 | 2414 |
2415 if (sample >= start_sample) { | |
2416 goto found; | |
2417 } | |
2418 | |
2419 entries--; | |
2420 entry++; | |
2421 } | |
2422 | |
5542
847c308917af
Mp4: fix seeks after the last key frame.
Roman Arutyunyan <arut@nginx.com>
parents:
5496
diff
changeset
|
2423 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
5630
02584b335727
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Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2424 "sample is out of mp4 stss atom"); |
4085 | 2425 |
2426 found: | |
2427 | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2428 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
2429 data->pos = (u_char *) entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2430 trak->sync_samples_entries = entries; |
0a567878254b
Mp4: added "end" argument support.
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diff
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|
2431 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2432 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2433 data->last = (u_char *) entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
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|
2434 trak->sync_samples_entries -= entries; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
2435 } |
4085 | 2436 } |
2437 | |
2438 | |
2439 typedef struct { | |
2440 u_char size[4]; | |
2441 u_char name[4]; | |
2442 u_char version[1]; | |
2443 u_char flags[3]; | |
2444 u_char entries[4]; | |
2445 } ngx_mp4_ctts_atom_t; | |
2446 | |
2447 typedef struct { | |
2448 u_char count[4]; | |
2449 u_char offset[4]; | |
2450 } ngx_mp4_ctts_entry_t; | |
2451 | |
2452 | |
2453 static ngx_int_t | |
2454 ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2455 { | |
2456 u_char *atom_header, *atom_table, *atom_end; | |
2457 uint32_t entries; | |
2458 ngx_buf_t *atom, *data; | |
2459 ngx_mp4_ctts_atom_t *ctts_atom; | |
2460 ngx_http_mp4_trak_t *trak; | |
2461 | |
2462 /* composition offsets atom */ | |
2463 | |
2464 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ctts atom"); | |
2465 | |
2466 atom_header = ngx_mp4_atom_header(mp4); | |
2467 ctts_atom = (ngx_mp4_ctts_atom_t *) atom_header; | |
2468 ngx_mp4_set_atom_name(ctts_atom, 'c', 't', 't', 's'); | |
2469 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2470 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
2471 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
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diff
changeset
|
2472 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2473 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2474 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2475 |
4085 | 2476 entries = ngx_mp4_get_32value(ctts_atom->entries); |
2477 | |
2478 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2479 "composition offset entries:%uD", entries); |
4085 | 2480 |
2481 trak = ngx_mp4_last_trak(mp4); | |
2482 trak->composition_offset_entries = entries; | |
2483 | |
2484 atom_table = atom_header + sizeof(ngx_mp4_ctts_atom_t); | |
2485 | |
2486 atom = &trak->ctts_atom_buf; | |
2487 atom->temporary = 1; | |
2488 atom->pos = atom_header; | |
2489 atom->last = atom_table; | |
2490 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2491 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
|
2492 + entries * sizeof(ngx_mp4_ctts_entry_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2493 { |
4085 | 2494 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
|
2495 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
4085 | 2496 return NGX_ERROR; |
2497 } | |
2498 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2499 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
|
2500 |
4085 | 2501 data = &trak->ctts_data_buf; |
2502 data->temporary = 1; | |
2503 data->pos = atom_table; | |
2504 data->last = atom_end; | |
2505 | |
2506 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = atom; | |
2507 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = data; | |
2508 | |
2509 ngx_mp4_atom_next(mp4, atom_data_size); | |
2510 | |
2511 return NGX_OK; | |
2512 } | |
2513 | |
2514 | |
2515 static void | |
2516 ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
2517 ngx_http_mp4_trak_t *trak) | |
2518 { | |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2519 size_t atom_size; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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5578
diff
changeset
|
2520 ngx_buf_t *atom, *data; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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5578
diff
changeset
|
2521 ngx_mp4_ctts_atom_t *ctts_atom; |
4085 | 2522 |
2523 /* | |
2524 * mdia.minf.stbl.ctts updating requires trak->start_sample | |
2525 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2526 * atom which may reside after mdia.minf | |
2527 */ | |
2528 | |
2529 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2530 "mp4 ctts atom update"); | |
2531 | |
2532 data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf; | |
2533 | |
2534 if (data == NULL) { | |
2535 return; | |
2536 } | |
2537 | |
5620
0a567878254b
Mp4: added "end" argument support.
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parents:
5619
diff
changeset
|
2538 ngx_http_mp4_crop_ctts_data(mp4, trak, 1); |
0a567878254b
Mp4: added "end" argument support.
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5619
diff
changeset
|
2539 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
|
2540 |
5630
02584b335727
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Roman Arutyunyan <arut@nginx.com>
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5629
diff
changeset
|
2541 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
|
2542 "composition offset entries:%uD", |
02584b335727
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5629
diff
changeset
|
2543 trak->composition_offset_entries); |
02584b335727
Mp4: improved logging after adding "end" support.
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5629
diff
changeset
|
2544 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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5578
diff
changeset
|
2545 if (trak->composition_offset_entries == 0) { |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2546 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = NULL; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
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|
2547 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = NULL; |
517b5b599e3f
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diff
changeset
|
2548 return; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2549 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2550 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2551 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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diff
changeset
|
2552 trak->size += atom_size; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2553 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2554 atom = trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf; |
517b5b599e3f
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diff
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|
2555 ctts_atom = (ngx_mp4_ctts_atom_t *) atom->pos; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2556 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2557 ngx_mp4_set_32value(ctts_atom->size, atom_size); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
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|
2558 ngx_mp4_set_32value(ctts_atom->entries, trak->composition_offset_entries); |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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|
2559 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2560 return; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2561 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2562 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2563 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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5578
diff
changeset
|
2564 static void |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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5578
diff
changeset
|
2565 ngx_http_mp4_crop_ctts_data(ngx_http_mp4_file_t *mp4, |
5620
0a567878254b
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5619
diff
changeset
|
2566 ngx_http_mp4_trak_t *trak, ngx_uint_t start) |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2567 { |
5620
0a567878254b
Mp4: added "end" argument support.
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5619
diff
changeset
|
2568 uint32_t count, start_sample, rest; |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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parents:
5578
diff
changeset
|
2569 ngx_buf_t *data; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2570 ngx_uint_t entries; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2571 ngx_mp4_ctts_entry_t *entry, *end; |
517b5b599e3f
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diff
changeset
|
2572 |
5620
0a567878254b
Mp4: added "end" argument support.
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5619
diff
changeset
|
2573 /* sync samples starts from 1 */ |
0a567878254b
Mp4: added "end" argument support.
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5619
diff
changeset
|
2574 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2575 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2576 start_sample = trak->start_sample + 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2577 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2578 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
|
2579 "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
|
2580 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2581 } else if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2582 start_sample = trak->end_sample - trak->start_sample + 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2583 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2584 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
|
2585 "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
|
2586 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2587 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2588 return; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2589 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2590 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2591 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
|
2592 |
4085 | 2593 entries = trak->composition_offset_entries; |
2594 entry = (ngx_mp4_ctts_entry_t *) data->pos; | |
2595 end = (ngx_mp4_ctts_entry_t *) data->last; | |
2596 | |
2597 while (entry < end) { | |
2598 count = ngx_mp4_get_32value(entry->count); | |
2599 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
2600 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
|
2601 "sample:%uD, count:%uD, offset:%uD", |
4085 | 2602 start_sample, count, ngx_mp4_get_32value(entry->offset)); |
2603 | |
6474 | 2604 if (start_sample <= count) { |
2605 rest = start_sample - 1; | |
2606 goto found; | |
2607 } | |
2608 | |
2609 start_sample -= count; | |
2610 entries--; | |
2611 entry++; | |
4085 | 2612 } |
2613 | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2614 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2615 data->pos = (u_char *) end; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2616 trak->composition_offset_entries = 0; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2617 } |
4085 | 2618 |
2619 return; | |
2620 | |
2621 found: | |
2622 | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2623 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2624 ngx_mp4_set_32value(entry->count, count - rest); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2625 data->pos = (u_char *) entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2626 trak->composition_offset_entries = entries; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2627 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2628 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2629 ngx_mp4_set_32value(entry->count, rest); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2630 data->last = (u_char *) (entry + 1); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2631 trak->composition_offset_entries -= entries - 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2632 } |
4085 | 2633 } |
2634 | |
2635 | |
2636 typedef struct { | |
2637 u_char size[4]; | |
2638 u_char name[4]; | |
2639 u_char version[1]; | |
2640 u_char flags[3]; | |
2641 u_char entries[4]; | |
2642 } ngx_mp4_stsc_atom_t; | |
2643 | |
2644 | |
2645 static ngx_int_t | |
2646 ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2647 { | |
2648 u_char *atom_header, *atom_table, *atom_end; | |
2649 uint32_t entries; | |
2650 ngx_buf_t *atom, *data; | |
2651 ngx_mp4_stsc_atom_t *stsc_atom; | |
2652 ngx_http_mp4_trak_t *trak; | |
2653 | |
2654 /* sample-to-chunk atom */ | |
2655 | |
2656 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsc atom"); | |
2657 | |
2658 atom_header = ngx_mp4_atom_header(mp4); | |
2659 stsc_atom = (ngx_mp4_stsc_atom_t *) atom_header; | |
2660 ngx_mp4_set_atom_name(stsc_atom, 's', 't', 's', 'c'); | |
2661 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2662 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
|
2663 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2664 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2665 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2666 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2667 |
4085 | 2668 entries = ngx_mp4_get_32value(stsc_atom->entries); |
2669 | |
2670 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2671 "sample-to-chunk entries:%uD", entries); |
4085 | 2672 |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2673 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
|
2674 + entries * sizeof(ngx_mp4_stsc_entry_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2675 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2676 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2677 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2678 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2679 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2680 |
4085 | 2681 atom_table = atom_header + sizeof(ngx_mp4_stsc_atom_t); |
2682 atom_end = atom_table + entries * sizeof(ngx_mp4_stsc_entry_t); | |
2683 | |
2684 trak = ngx_mp4_last_trak(mp4); | |
2685 trak->sample_to_chunk_entries = entries; | |
2686 | |
2687 atom = &trak->stsc_atom_buf; | |
2688 atom->temporary = 1; | |
2689 atom->pos = atom_header; | |
2690 atom->last = atom_table; | |
2691 | |
2692 data = &trak->stsc_data_buf; | |
2693 data->temporary = 1; | |
2694 data->pos = atom_table; | |
2695 data->last = atom_end; | |
2696 | |
2697 trak->out[NGX_HTTP_MP4_STSC_ATOM].buf = atom; | |
2698 trak->out[NGX_HTTP_MP4_STSC_DATA].buf = data; | |
2699 | |
2700 ngx_mp4_atom_next(mp4, atom_data_size); | |
2701 | |
2702 return NGX_OK; | |
2703 } | |
2704 | |
2705 | |
2706 static ngx_int_t | |
2707 ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
2708 ngx_http_mp4_trak_t *trak) | |
2709 { | |
2710 size_t atom_size; | |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2711 uint32_t chunk; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2712 ngx_buf_t *atom, *data; |
4085 | 2713 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
|
2714 ngx_mp4_stsc_entry_t *entry, *end; |
4085 | 2715 |
2716 /* | |
2717 * mdia.minf.stbl.stsc updating requires trak->start_sample | |
2718 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2719 * atom which may reside after mdia.minf | |
2720 */ | |
2721 | |
2722 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2723 "mp4 stsc atom update"); | |
2724 | |
2725 data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf; | |
2726 | |
2727 if (data == NULL) { | |
2728 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2729 "no mp4 stsc atoms were found in \"%s\"", | |
2730 mp4->file.name.data); | |
2731 return NGX_ERROR; | |
2732 } | |
2733 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2734 if (trak->sample_to_chunk_entries == 0) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2735 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2736 "zero number of entries in stsc atom in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2737 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2738 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2739 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2740 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2741 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
|
2742 return NGX_ERROR; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2743 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2744 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2745 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
|
2746 return NGX_ERROR; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2747 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2748 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2749 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
|
2750 "sample-to-chunk entries:%uD", |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2751 trak->sample_to_chunk_entries); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2752 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2753 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
|
2754 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
|
2755 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2756 while (entry < end) { |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2757 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
|
2758 chunk -= trak->start_chunk; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2759 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
|
2760 entry++; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2761 } |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2762 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2763 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
|
2764 + 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
|
2765 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2766 trak->size += atom_size; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2767 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2768 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
|
2769 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
|
2770 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2771 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
|
2772 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
|
2773 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2774 return NGX_OK; |
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 |
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 static ngx_int_t |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2779 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
|
2780 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
|
2781 { |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2782 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
|
2783 prev_samples; |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2784 ngx_buf_t *data, *buf; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2785 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
|
2786 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
|
2787 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2788 entries = trak->sample_to_chunk_entries - 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2789 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2790 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2791 start_sample = (uint32_t) trak->start_sample; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2792 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2793 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
|
2794 "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
|
2795 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2796 } else if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2797 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
|
2798 samples = 0; |
5620
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 data = trak->out[NGX_HTTP_MP4_STSC_START].buf; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2801 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2802 if (data) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2803 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2804 samples = ngx_mp4_get_32value(entry->samples); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2805 entries--; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2806 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2807 if (samples > start_sample) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2808 samples = start_sample; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2809 ngx_mp4_set_32value(entry->samples, samples); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2810 } |
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 start_sample -= samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2813 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2814 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2815 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
|
2816 "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
|
2817 start_sample, samples); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2818 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2819 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2820 return NGX_OK; |
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 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2823 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
|
2824 |
4085 | 2825 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
2826 end = (ngx_mp4_stsc_entry_t *) data->last; | |
2827 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2828 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
|
2829 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
|
2830 id = ngx_mp4_get_32value(entry->id); |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2831 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
|
2832 entry++; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2833 |
4085 | 2834 while (entry < end) { |
2835 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2836 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
|
2837 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2838 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
|
2839 "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
|
2840 "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
|
2841 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
|
2842 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2843 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
|
2844 |
5578
e280ece17020
Mp4: remove useless leading stsc entry in result mp4.
Roman Arutyunyan <arut@nginx.com>
parents:
5544
diff
changeset
|
2845 if (start_sample < n) { |
4085 | 2846 goto found; |
2847 } | |
2848 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2849 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
|
2850 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2851 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
|
2852 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
|
2853 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
|
2854 id = ngx_mp4_get_32value(entry->id); |
4085 | 2855 entries--; |
2856 entry++; | |
2857 } | |
2858 | |
5544
2f586f1684fa
Mp4: fix seeks to standalone last chunk.
Roman Arutyunyan <arut@nginx.com>
parents:
5543
diff
changeset
|
2859 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
|
2860 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2861 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
|
2862 "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
|
2863 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
|
2864 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2865 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
|
2866 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2867 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
|
2868 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
|
2869 "%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
|
2870 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
|
2871 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
|
2872 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2873 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2874 found: |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2875 |
4085 | 2876 entries++; |
2877 entry--; | |
2878 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2879 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
|
2880 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
|
2881 "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
|
2882 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
|
2883 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
|
2884 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2885 |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2886 target_chunk = chunk - 1; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2887 target_chunk += start_sample / samples; |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2888 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
|
2889 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2890 if (start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2891 data->pos = (u_char *) entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2892 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2893 trak->sample_to_chunk_entries = entries; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2894 trak->start_chunk = target_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2895 trak->start_chunk_samples = chunk_samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2896 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2897 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
|
2898 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2899 samples -= chunk_samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2900 |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2901 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
|
2902 "start_chunk:%ui, start_chunk_samples:%ui", |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2903 trak->start_chunk, trak->start_chunk_samples); |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2904 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2905 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2906 if (start_sample) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2907 data->last = (u_char *) (entry + 1); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2908 trak->sample_to_chunk_entries -= entries - 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2909 trak->end_chunk_samples = samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2910 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2911 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2912 data->last = (u_char *) entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2913 trak->sample_to_chunk_entries -= entries; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2914 trak->end_chunk_samples = prev_samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2915 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2916 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2917 if (chunk_samples) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2918 trak->end_chunk = target_chunk + 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2919 trak->end_chunk_samples = chunk_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 trak->end_chunk = target_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2923 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2924 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2925 samples = chunk_samples; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2926 next_chunk = chunk + 1; |
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2927 |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2928 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
|
2929 "end_chunk:%ui, end_chunk_samples:%ui", |
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2930 trak->end_chunk, trak->end_chunk_samples); |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2931 } |
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2932 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2933 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
|
2934 |
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2935 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
|
2936 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2937 } else if (chunk_samples && start) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2938 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2939 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
|
2940 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
|
2941 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
|
2942 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
|
2943 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2944 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
|
2945 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
|
2946 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
|
2947 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
|
2948 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2949 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
|
2950 |
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(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
|
2952 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2953 trak->sample_to_chunk_entries++; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2954 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2955 } else if (chunk_samples) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2956 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2957 first = &trak->stsc_end_chunk_entry; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2958 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
|
2959 ngx_mp4_set_32value(first->samples, samples); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2960 ngx_mp4_set_32value(first->id, id); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2961 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2962 buf = &trak->stsc_end_chunk_buf; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2963 buf->temporary = 1; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2964 buf->pos = (u_char *) first; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2965 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
|
2966 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2967 trak->out[NGX_HTTP_MP4_STSC_END].buf = buf; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2968 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2969 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
|
2970 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2971 |
4085 | 2972 return NGX_OK; |
2973 } | |
2974 | |
2975 | |
2976 typedef struct { | |
2977 u_char size[4]; | |
2978 u_char name[4]; | |
2979 u_char version[1]; | |
2980 u_char flags[3]; | |
2981 u_char uniform_size[4]; | |
2982 u_char entries[4]; | |
2983 } ngx_mp4_stsz_atom_t; | |
2984 | |
2985 | |
2986 static ngx_int_t | |
2987 ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2988 { | |
2989 u_char *atom_header, *atom_table, *atom_end; | |
2990 size_t atom_size; | |
2991 uint32_t entries, size; | |
2992 ngx_buf_t *atom, *data; | |
2993 ngx_mp4_stsz_atom_t *stsz_atom; | |
2994 ngx_http_mp4_trak_t *trak; | |
2995 | |
2996 /* sample sizes atom */ | |
2997 | |
2998 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsz atom"); | |
2999 | |
3000 atom_header = ngx_mp4_atom_header(mp4); | |
3001 stsz_atom = (ngx_mp4_stsz_atom_t *) atom_header; | |
3002 ngx_mp4_set_atom_name(stsz_atom, 's', 't', 's', 'z'); | |
3003 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3004 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
|
3005 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3006 "\"%s\" mp4 stsz atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3007 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3008 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3009 |
4085 | 3010 size = ngx_mp4_get_32value(stsz_atom->uniform_size); |
3011 entries = ngx_mp4_get_32value(stsz_atom->entries); | |
3012 | |
3013 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3014 "sample uniform size:%uD, entries:%uD", size, entries); | |
3015 | |
3016 trak = ngx_mp4_last_trak(mp4); | |
3017 trak->sample_sizes_entries = entries; | |
3018 | |
3019 atom_table = atom_header + sizeof(ngx_mp4_stsz_atom_t); | |
3020 | |
3021 atom = &trak->stsz_atom_buf; | |
3022 atom->temporary = 1; | |
3023 atom->pos = atom_header; | |
3024 atom->last = atom_table; | |
3025 | |
3026 trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf = atom; | |
3027 | |
3028 if (size == 0) { | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3029 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
|
3030 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3031 { |
4085 | 3032 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
|
3033 "\"%s\" mp4 stsz atom too small", |
4085 | 3034 mp4->file.name.data); |
3035 return NGX_ERROR; | |
3036 } | |
3037 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3038 atom_end = atom_table + entries * sizeof(uint32_t); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3039 |
4085 | 3040 data = &trak->stsz_data_buf; |
3041 data->temporary = 1; | |
3042 data->pos = atom_table; | |
3043 data->last = atom_end; | |
3044 | |
3045 trak->out[NGX_HTTP_MP4_STSZ_DATA].buf = data; | |
3046 | |
3047 } else { | |
3048 /* 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
|
3049 /* TODO : chunk samples */ |
4085 | 3050 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; |
3051 ngx_mp4_set_32value(atom_header, atom_size); | |
3052 trak->size += atom_size; | |
3053 } | |
3054 | |
3055 ngx_mp4_atom_next(mp4, atom_data_size); | |
3056 | |
3057 return NGX_OK; | |
3058 } | |
3059 | |
3060 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3061 static ngx_int_t |
4085 | 3062 ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
3063 ngx_http_mp4_trak_t *trak) | |
3064 { | |
3065 size_t atom_size; | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3066 uint32_t *pos, *end, entries; |
4085 | 3067 ngx_buf_t *atom, *data; |
3068 ngx_mp4_stsz_atom_t *stsz_atom; | |
3069 | |
3070 /* | |
3071 * mdia.minf.stbl.stsz updating requires trak->start_sample | |
3072 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
3073 * atom which may reside after mdia.minf | |
3074 */ | |
3075 | |
3076 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3077 "mp4 stsz atom update"); | |
3078 | |
3079 data = trak->out[NGX_HTTP_MP4_STSZ_DATA].buf; | |
3080 | |
3081 if (data) { | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3082 entries = trak->sample_sizes_entries; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3083 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3084 if (trak->start_sample > entries) { |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3085 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3086 "start time is out mp4 stsz samples in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3087 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3088 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3089 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3090 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3091 entries -= trak->start_sample; |
4085 | 3092 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
|
3093 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
|
3094 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3095 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
|
3096 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
|
3097 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3098 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3099 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
|
3100 "chunk samples sizes:%uL", |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3101 trak->start_chunk_samples_size); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3102 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3103 if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3104 if (trak->end_sample - trak->start_sample > entries) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3105 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
|
3106 "end time is out mp4 stsz samples in \"%s\"", |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3107 mp4->file.name.data); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3108 return NGX_ERROR; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3109 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3110 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3111 entries = trak->end_sample - trak->start_sample; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3112 data->last = data->pos + entries * sizeof(uint32_t); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3113 end = (uint32_t *) data->last; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3114 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3115 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
|
3116 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
|
3117 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3118 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3119 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
|
3120 "mp4 stsz end_chunk_samples_size:%uL", |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3121 trak->end_chunk_samples_size); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3122 } |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3123 |
4085 | 3124 atom_size = sizeof(ngx_mp4_stsz_atom_t) + (data->last - data->pos); |
3125 trak->size += atom_size; | |
3126 | |
3127 atom = trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf; | |
3128 stsz_atom = (ngx_mp4_stsz_atom_t *) atom->pos; | |
3129 | |
3130 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
|
3131 ngx_mp4_set_32value(stsz_atom->entries, entries); |
4085 | 3132 } |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3133 |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3134 return NGX_OK; |
4085 | 3135 } |
3136 | |
3137 | |
3138 typedef struct { | |
3139 u_char size[4]; | |
3140 u_char name[4]; | |
3141 u_char version[1]; | |
3142 u_char flags[3]; | |
3143 u_char entries[4]; | |
3144 } ngx_mp4_stco_atom_t; | |
3145 | |
3146 | |
3147 static ngx_int_t | |
3148 ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
3149 { | |
3150 u_char *atom_header, *atom_table, *atom_end; | |
3151 uint32_t entries; | |
3152 ngx_buf_t *atom, *data; | |
3153 ngx_mp4_stco_atom_t *stco_atom; | |
3154 ngx_http_mp4_trak_t *trak; | |
3155 | |
3156 /* chunk offsets atom */ | |
3157 | |
3158 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stco atom"); | |
3159 | |
3160 atom_header = ngx_mp4_atom_header(mp4); | |
3161 stco_atom = (ngx_mp4_stco_atom_t *) atom_header; | |
3162 ngx_mp4_set_atom_name(stco_atom, 's', 't', 'c', 'o'); | |
3163 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3164 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
|
3165 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3166 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3167 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3168 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3169 |
4085 | 3170 entries = ngx_mp4_get_32value(stco_atom->entries); |
3171 | |
3172 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
3173 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3174 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
|
3175 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3176 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3177 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3178 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3179 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3180 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3181 |
4085 | 3182 atom_table = atom_header + sizeof(ngx_mp4_stco_atom_t); |
3183 atom_end = atom_table + entries * sizeof(uint32_t); | |
3184 | |
3185 trak = ngx_mp4_last_trak(mp4); | |
3186 trak->chunks = entries; | |
3187 | |
4107 | 3188 atom = &trak->stco_atom_buf; |
4085 | 3189 atom->temporary = 1; |
3190 atom->pos = atom_header; | |
3191 atom->last = atom_table; | |
3192 | |
4107 | 3193 data = &trak->stco_data_buf; |
4085 | 3194 data->temporary = 1; |
3195 data->pos = atom_table; | |
3196 data->last = atom_end; | |
3197 | |
3198 trak->out[NGX_HTTP_MP4_STCO_ATOM].buf = atom; | |
3199 trak->out[NGX_HTTP_MP4_STCO_DATA].buf = data; | |
3200 | |
3201 ngx_mp4_atom_next(mp4, atom_data_size); | |
3202 | |
3203 return NGX_OK; | |
3204 } | |
3205 | |
3206 | |
3207 static ngx_int_t | |
3208 ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
3209 ngx_http_mp4_trak_t *trak) | |
3210 { | |
3211 size_t atom_size; | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3212 uint32_t entries; |
4085 | 3213 ngx_buf_t *atom, *data; |
3214 ngx_mp4_stco_atom_t *stco_atom; | |
3215 | |
3216 /* | |
3217 * mdia.minf.stbl.stco updating requires trak->start_chunk | |
3218 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
3219 * atom which may reside after mdia.minf | |
3220 */ | |
3221 | |
3222 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3223 "mp4 stco atom update"); | |
3224 | |
3225 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
3226 | |
3227 if (data == NULL) { | |
3228 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
3229 "no mp4 stco atoms were found in \"%s\"", | |
3230 mp4->file.name.data); | |
3231 return NGX_ERROR; | |
3232 } | |
3233 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3234 if (trak->start_chunk > trak->chunks) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3235 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3236 "start time is out mp4 stco chunks in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3237 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3238 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3239 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3240 |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3241 data->pos += trak->start_chunk * sizeof(uint32_t); |
4085 | 3242 |
3243 trak->start_offset = ngx_mp4_get_32value(data->pos); | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3244 trak->start_offset += trak->start_chunk_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
|
3245 ngx_mp4_set_32value(data->pos, trak->start_offset); |
4085 | 3246 |
3247 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
|
3248 "start chunk offset:%O", trak->start_offset); |
4085 | 3249 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3250 if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3251 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3252 if (trak->end_chunk > trak->chunks) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3253 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
|
3254 "end time is out mp4 stco chunks in \"%s\"", |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3255 mp4->file.name.data); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3256 return NGX_ERROR; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3257 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3258 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3259 entries = trak->end_chunk - trak->start_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3260 data->last = data->pos + entries * sizeof(uint32_t); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3261 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3262 if (entries) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3263 trak->end_offset = |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3264 ngx_mp4_get_32value(data->last - sizeof(uint32_t)); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3265 trak->end_offset += trak->end_chunk_samples_size; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3266 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3267 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
|
3268 "end chunk offset:%O", trak->end_offset); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3269 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3270 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3271 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3272 entries = trak->chunks - trak->start_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3273 trak->end_offset = mp4->mdat_data.buf->file_last; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3274 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3275 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3276 if (entries == 0) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3277 trak->start_offset = mp4->end; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3278 trak->end_offset = 0; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3279 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3280 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3281 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
|
3282 trak->size += atom_size; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3283 |
4085 | 3284 atom = trak->out[NGX_HTTP_MP4_STCO_ATOM].buf; |
3285 stco_atom = (ngx_mp4_stco_atom_t *) atom->pos; | |
3286 | |
3287 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
|
3288 ngx_mp4_set_32value(stco_atom->entries, entries); |
4085 | 3289 |
3290 return NGX_OK; | |
3291 } | |
3292 | |
3293 | |
3294 static void | |
3295 ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
3296 ngx_http_mp4_trak_t *trak, int32_t adjustment) | |
3297 { | |
3298 uint32_t offset, *entry, *end; | |
3299 ngx_buf_t *data; | |
3300 | |
3301 /* | |
3302 * moov.trak.mdia.minf.stbl.stco adjustment requires | |
3303 * minimal start offset of all traks and new moov atom size | |
3304 */ | |
3305 | |
3306 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3307 "mp4 stco atom adjustment"); | |
3308 | |
3309 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
3310 entry = (uint32_t *) data->pos; | |
3311 end = (uint32_t *) data->last; | |
3312 | |
3313 while (entry < end) { | |
3314 offset = ngx_mp4_get_32value(entry); | |
3315 offset += adjustment; | |
3316 ngx_mp4_set_32value(entry, offset); | |
3317 entry++; | |
3318 } | |
3319 } | |
3320 | |
3321 | |
4112 | 3322 typedef struct { |
3323 u_char size[4]; | |
3324 u_char name[4]; | |
3325 u_char version[1]; | |
3326 u_char flags[3]; | |
3327 u_char entries[4]; | |
3328 } ngx_mp4_co64_atom_t; | |
3329 | |
3330 | |
3331 static ngx_int_t | |
3332 ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
3333 { | |
3334 u_char *atom_header, *atom_table, *atom_end; | |
3335 uint32_t entries; | |
3336 ngx_buf_t *atom, *data; | |
3337 ngx_mp4_co64_atom_t *co64_atom; | |
3338 ngx_http_mp4_trak_t *trak; | |
3339 | |
3340 /* chunk offsets atom */ | |
3341 | |
3342 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 co64 atom"); | |
3343 | |
3344 atom_header = ngx_mp4_atom_header(mp4); | |
3345 co64_atom = (ngx_mp4_co64_atom_t *) atom_header; | |
3346 ngx_mp4_set_atom_name(co64_atom, 'c', 'o', '6', '4'); | |
3347 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3348 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
|
3349 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3350 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3351 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3352 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3353 |
4112 | 3354 entries = ngx_mp4_get_32value(co64_atom->entries); |
3355 | |
3356 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
3357 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3358 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
|
3359 + entries * sizeof(uint64_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3360 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3361 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3362 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3363 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3364 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3365 |
4112 | 3366 atom_table = atom_header + sizeof(ngx_mp4_co64_atom_t); |
3367 atom_end = atom_table + entries * sizeof(uint64_t); | |
3368 | |
3369 trak = ngx_mp4_last_trak(mp4); | |
3370 trak->chunks = entries; | |
3371 | |
3372 atom = &trak->co64_atom_buf; | |
3373 atom->temporary = 1; | |
3374 atom->pos = atom_header; | |
3375 atom->last = atom_table; | |
3376 | |
3377 data = &trak->co64_data_buf; | |
3378 data->temporary = 1; | |
3379 data->pos = atom_table; | |
3380 data->last = atom_end; | |
3381 | |
3382 trak->out[NGX_HTTP_MP4_CO64_ATOM].buf = atom; | |
3383 trak->out[NGX_HTTP_MP4_CO64_DATA].buf = data; | |
3384 | |
3385 ngx_mp4_atom_next(mp4, atom_data_size); | |
3386 | |
3387 return NGX_OK; | |
3388 } | |
3389 | |
3390 | |
3391 static ngx_int_t | |
3392 ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
3393 ngx_http_mp4_trak_t *trak) | |
3394 { | |
3395 size_t atom_size; | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3396 uint64_t entries; |
4112 | 3397 ngx_buf_t *atom, *data; |
3398 ngx_mp4_co64_atom_t *co64_atom; | |
3399 | |
3400 /* | |
3401 * mdia.minf.stbl.co64 updating requires trak->start_chunk | |
3402 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
3403 * atom which may reside after mdia.minf | |
3404 */ | |
3405 | |
3406 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3407 "mp4 co64 atom update"); | |
3408 | |
3409 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
3410 | |
3411 if (data == NULL) { | |
3412 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
3413 "no mp4 co64 atoms were found in \"%s\"", | |
3414 mp4->file.name.data); | |
3415 return NGX_ERROR; | |
3416 } | |
3417 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3418 if (trak->start_chunk > trak->chunks) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3419 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3420 "start time is out mp4 co64 chunks in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3421 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3422 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3423 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3424 |
4112 | 3425 data->pos += trak->start_chunk * sizeof(uint64_t); |
3426 | |
3427 trak->start_offset = ngx_mp4_get_64value(data->pos); | |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3428 trak->start_offset += trak->start_chunk_samples_size; |
4112 | 3429 ngx_mp4_set_64value(data->pos, trak->start_offset); |
3430 | |
3431 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
|
3432 "start chunk offset:%O", trak->start_offset); |
4112 | 3433 |
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3434 if (mp4->length) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3435 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3436 if (trak->end_chunk > trak->chunks) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3437 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
|
3438 "end time is out mp4 co64 chunks in \"%s\"", |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3439 mp4->file.name.data); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3440 return NGX_ERROR; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3441 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3442 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3443 entries = trak->end_chunk - trak->start_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3444 data->last = data->pos + entries * sizeof(uint64_t); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3445 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3446 if (entries) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3447 trak->end_offset = |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3448 ngx_mp4_get_64value(data->last - sizeof(uint64_t)); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3449 trak->end_offset += trak->end_chunk_samples_size; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3450 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3451 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
|
3452 "end chunk offset:%O", trak->end_offset); |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3453 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3454 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3455 } else { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3456 entries = trak->chunks - trak->start_chunk; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3457 trak->end_offset = mp4->mdat_data.buf->file_last; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3458 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3459 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3460 if (entries == 0) { |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3461 trak->start_offset = mp4->end; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3462 trak->end_offset = 0; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3463 } |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3464 |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3465 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
|
3466 trak->size += atom_size; |
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3467 |
4112 | 3468 atom = trak->out[NGX_HTTP_MP4_CO64_ATOM].buf; |
3469 co64_atom = (ngx_mp4_co64_atom_t *) atom->pos; | |
3470 | |
3471 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
|
3472 ngx_mp4_set_32value(co64_atom->entries, entries); |
4112 | 3473 |
3474 return NGX_OK; | |
3475 } | |
3476 | |
3477 | |
3478 static void | |
3479 ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
3480 ngx_http_mp4_trak_t *trak, off_t adjustment) | |
3481 { | |
3482 uint64_t offset, *entry, *end; | |
3483 ngx_buf_t *data; | |
3484 | |
3485 /* | |
3486 * moov.trak.mdia.minf.stbl.co64 adjustment requires | |
3487 * minimal start offset of all traks and new moov atom size | |
3488 */ | |
3489 | |
3490 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3491 "mp4 co64 atom adjustment"); | |
3492 | |
3493 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
3494 entry = (uint64_t *) data->pos; | |
3495 end = (uint64_t *) data->last; | |
3496 | |
3497 while (entry < end) { | |
3498 offset = ngx_mp4_get_64value(entry); | |
3499 offset += adjustment; | |
3500 ngx_mp4_set_64value(entry, offset); | |
3501 entry++; | |
3502 } | |
3503 } | |
3504 | |
3505 | |
4085 | 3506 static char * |
3507 ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
3508 { | |
3509 ngx_http_core_loc_conf_t *clcf; | |
3510 | |
3511 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
3512 clcf->handler = ngx_http_mp4_handler; | |
3513 | |
3514 return NGX_CONF_OK; | |
3515 } | |
3516 | |
3517 | |
3518 static void * | |
3519 ngx_http_mp4_create_conf(ngx_conf_t *cf) | |
3520 { | |
3521 ngx_http_mp4_conf_t *conf; | |
3522 | |
3523 conf = ngx_palloc(cf->pool, sizeof(ngx_http_mp4_conf_t)); | |
3524 if (conf == NULL) { | |
3525 return NULL; | |
3526 } | |
3527 | |
3528 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
|
3529 conf->max_buffer_size = NGX_CONF_UNSET_SIZE; |
4085 | 3530 |
3531 return conf; | |
3532 } | |
3533 | |
3534 | |
3535 static char * | |
3536 ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
3537 { | |
3538 ngx_http_mp4_conf_t *prev = parent; | |
3539 ngx_http_mp4_conf_t *conf = child; | |
3540 | |
3541 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
|
3542 ngx_conf_merge_size_value(conf->max_buffer_size, prev->max_buffer_size, |
4085 | 3543 10 * 1024 * 1024); |
3544 | |
3545 return NGX_CONF_OK; | |
3546 } |