Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_mp4_module.c @ 5587:ceecde39853f
Gzip static: fixed NGX_CONF_FLAG misuse.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Mon, 03 Mar 2014 17:17:25 +0400 |
parents | e280ece17020 |
children | 517b5b599e3f |
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_CHUNK 18 |
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31 #define NGX_HTTP_MP4_STSC_DATA 19 |
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32 #define NGX_HTTP_MP4_STSZ_ATOM 20 |
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33 #define NGX_HTTP_MP4_STSZ_DATA 21 |
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34 #define NGX_HTTP_MP4_STCO_ATOM 22 |
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35 #define NGX_HTTP_MP4_STCO_DATA 23 |
4112 | 36 #define NGX_HTTP_MP4_CO64_ATOM 24 |
37 #define NGX_HTTP_MP4_CO64_DATA 25 | |
38 | |
39 #define NGX_HTTP_MP4_LAST_ATOM NGX_HTTP_MP4_CO64_DATA | |
4085 | 40 |
41 | |
42 typedef struct { | |
43 size_t buffer_size; | |
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44 size_t max_buffer_size; |
4085 | 45 } ngx_http_mp4_conf_t; |
46 | |
47 | |
48 typedef struct { | |
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49 u_char chunk[4]; |
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50 u_char samples[4]; |
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51 u_char id[4]; |
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52 } ngx_mp4_stsc_entry_t; |
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53 |
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54 |
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55 typedef struct { |
4085 | 56 uint32_t timescale; |
57 uint32_t time_to_sample_entries; | |
58 uint32_t sample_to_chunk_entries; | |
59 uint32_t sync_samples_entries; | |
60 uint32_t composition_offset_entries; | |
61 uint32_t sample_sizes_entries; | |
62 uint32_t chunks; | |
63 | |
64 ngx_uint_t start_sample; | |
65 ngx_uint_t start_chunk; | |
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66 ngx_uint_t chunk_samples; |
4112 | 67 uint64_t chunk_samples_size; |
4085 | 68 off_t start_offset; |
69 | |
70 size_t tkhd_size; | |
71 size_t mdhd_size; | |
72 size_t hdlr_size; | |
73 size_t vmhd_size; | |
74 size_t smhd_size; | |
75 size_t dinf_size; | |
76 size_t size; | |
77 | |
78 ngx_chain_t out[NGX_HTTP_MP4_LAST_ATOM + 1]; | |
79 | |
80 ngx_buf_t trak_atom_buf; | |
81 ngx_buf_t tkhd_atom_buf; | |
82 ngx_buf_t mdia_atom_buf; | |
83 ngx_buf_t mdhd_atom_buf; | |
84 ngx_buf_t hdlr_atom_buf; | |
85 ngx_buf_t minf_atom_buf; | |
86 ngx_buf_t vmhd_atom_buf; | |
87 ngx_buf_t smhd_atom_buf; | |
88 ngx_buf_t dinf_atom_buf; | |
89 ngx_buf_t stbl_atom_buf; | |
90 ngx_buf_t stsd_atom_buf; | |
91 ngx_buf_t stts_atom_buf; | |
92 ngx_buf_t stts_data_buf; | |
93 ngx_buf_t stss_atom_buf; | |
94 ngx_buf_t stss_data_buf; | |
95 ngx_buf_t ctts_atom_buf; | |
96 ngx_buf_t ctts_data_buf; | |
97 ngx_buf_t stsc_atom_buf; | |
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98 ngx_buf_t stsc_chunk_buf; |
4085 | 99 ngx_buf_t stsc_data_buf; |
100 ngx_buf_t stsz_atom_buf; | |
101 ngx_buf_t stsz_data_buf; | |
4107 | 102 ngx_buf_t stco_atom_buf; |
103 ngx_buf_t stco_data_buf; | |
4112 | 104 ngx_buf_t co64_atom_buf; |
105 ngx_buf_t co64_data_buf; | |
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106 |
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107 ngx_mp4_stsc_entry_t stsc_chunk_entry; |
4085 | 108 } ngx_http_mp4_trak_t; |
109 | |
110 | |
111 typedef struct { | |
112 ngx_file_t file; | |
113 | |
114 u_char *buffer; | |
115 u_char *buffer_start; | |
116 u_char *buffer_pos; | |
117 u_char *buffer_end; | |
118 size_t buffer_size; | |
119 | |
120 off_t offset; | |
121 off_t end; | |
122 off_t content_length; | |
123 ngx_uint_t start; | |
124 uint32_t timescale; | |
125 ngx_http_request_t *request; | |
126 ngx_array_t trak; | |
127 ngx_http_mp4_trak_t traks[2]; | |
128 | |
129 size_t ftyp_size; | |
130 size_t moov_size; | |
131 | |
132 ngx_chain_t *out; | |
133 ngx_chain_t ftyp_atom; | |
134 ngx_chain_t moov_atom; | |
135 ngx_chain_t mvhd_atom; | |
136 ngx_chain_t mdat_atom; | |
137 ngx_chain_t mdat_data; | |
138 | |
139 ngx_buf_t ftyp_atom_buf; | |
140 ngx_buf_t moov_atom_buf; | |
141 ngx_buf_t mvhd_atom_buf; | |
142 ngx_buf_t mdat_atom_buf; | |
143 ngx_buf_t mdat_data_buf; | |
144 | |
145 u_char moov_atom_header[8]; | |
146 u_char mdat_atom_header[16]; | |
147 } ngx_http_mp4_file_t; | |
148 | |
149 | |
150 typedef struct { | |
151 char *name; | |
152 ngx_int_t (*handler)(ngx_http_mp4_file_t *mp4, | |
153 uint64_t atom_data_size); | |
154 } ngx_http_mp4_atom_handler_t; | |
155 | |
156 | |
157 #define ngx_mp4_atom_header(mp4) (mp4->buffer_pos - 8) | |
158 #define ngx_mp4_atom_data(mp4) mp4->buffer_pos | |
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159 #define ngx_mp4_atom_data_size(t) (uint64_t) (sizeof(t) - 8) |
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160 |
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161 |
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162 #define ngx_mp4_atom_next(mp4, n) \ |
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163 mp4->buffer_pos += (size_t) n; \ |
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164 mp4->offset += n |
4085 | 165 |
166 | |
167 #define ngx_mp4_set_atom_name(p, n1, n2, n3, n4) \ | |
168 ((u_char *) (p))[4] = n1; \ | |
169 ((u_char *) (p))[5] = n2; \ | |
170 ((u_char *) (p))[6] = n3; \ | |
171 ((u_char *) (p))[7] = n4 | |
172 | |
173 #define ngx_mp4_get_32value(p) \ | |
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174 ( ((uint32_t) ((u_char *) (p))[0] << 24) \ |
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175 + ( ((u_char *) (p))[1] << 16) \ |
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176 + ( ((u_char *) (p))[2] << 8) \ |
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177 + ( ((u_char *) (p))[3]) ) |
4085 | 178 |
179 #define ngx_mp4_set_32value(p, n) \ | |
180 ((u_char *) (p))[0] = (u_char) ((n) >> 24); \ | |
181 ((u_char *) (p))[1] = (u_char) ((n) >> 16); \ | |
182 ((u_char *) (p))[2] = (u_char) ((n) >> 8); \ | |
183 ((u_char *) (p))[3] = (u_char) (n) | |
184 | |
185 #define ngx_mp4_get_64value(p) \ | |
186 ( ((uint64_t) ((u_char *) (p))[0] << 56) \ | |
187 + ((uint64_t) ((u_char *) (p))[1] << 48) \ | |
188 + ((uint64_t) ((u_char *) (p))[2] << 40) \ | |
189 + ((uint64_t) ((u_char *) (p))[3] << 32) \ | |
190 + ((uint64_t) ((u_char *) (p))[4] << 24) \ | |
191 + ( ((u_char *) (p))[5] << 16) \ | |
192 + ( ((u_char *) (p))[6] << 8) \ | |
193 + ( ((u_char *) (p))[7]) ) | |
194 | |
195 #define ngx_mp4_set_64value(p, n) \ | |
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196 ((u_char *) (p))[0] = (u_char) ((uint64_t) (n) >> 56); \ |
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197 ((u_char *) (p))[1] = (u_char) ((uint64_t) (n) >> 48); \ |
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198 ((u_char *) (p))[2] = (u_char) ((uint64_t) (n) >> 40); \ |
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199 ((u_char *) (p))[3] = (u_char) ((uint64_t) (n) >> 32); \ |
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200 ((u_char *) (p))[4] = (u_char) ( (n) >> 24); \ |
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201 ((u_char *) (p))[5] = (u_char) ( (n) >> 16); \ |
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202 ((u_char *) (p))[6] = (u_char) ( (n) >> 8); \ |
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203 ((u_char *) (p))[7] = (u_char) (n) |
4085 | 204 |
205 #define ngx_mp4_last_trak(mp4) \ | |
206 &((ngx_http_mp4_trak_t *) mp4->trak.elts)[mp4->trak.nelts - 1] | |
207 | |
208 | |
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209 static ngx_int_t ngx_http_mp4_handler(ngx_http_request_t *r); |
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210 |
4085 | 211 static ngx_int_t ngx_http_mp4_process(ngx_http_mp4_file_t *mp4); |
212 static ngx_int_t ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
213 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size); | |
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214 static ngx_int_t ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size); |
4085 | 215 static ngx_int_t ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, |
216 uint64_t atom_data_size); | |
217 static ngx_int_t ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, | |
218 uint64_t atom_data_size); | |
219 static ngx_int_t ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, | |
220 uint64_t atom_data_size); | |
221 static size_t ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, | |
222 off_t start_offset); | |
223 static ngx_int_t ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, | |
224 uint64_t atom_data_size); | |
225 static ngx_int_t ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, | |
226 uint64_t atom_data_size); | |
227 static void ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
228 ngx_http_mp4_trak_t *trak); | |
229 static ngx_int_t ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, | |
230 uint64_t atom_data_size); | |
231 static ngx_int_t ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, | |
232 uint64_t atom_data_size); | |
233 static ngx_int_t ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, | |
234 uint64_t atom_data_size); | |
235 static void ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
236 ngx_http_mp4_trak_t *trak); | |
237 static ngx_int_t ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, | |
238 uint64_t atom_data_size); | |
239 static ngx_int_t ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, | |
240 uint64_t atom_data_size); | |
241 static ngx_int_t ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, | |
242 uint64_t atom_data_size); | |
243 static void ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
244 ngx_http_mp4_trak_t *trak); | |
245 static ngx_int_t ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, | |
246 uint64_t atom_data_size); | |
247 static ngx_int_t ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, | |
248 uint64_t atom_data_size); | |
249 static ngx_int_t ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, | |
250 uint64_t atom_data_size); | |
251 static ngx_int_t ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, | |
252 uint64_t atom_data_size); | |
253 static void ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
254 ngx_http_mp4_trak_t *trak); | |
255 static ngx_int_t ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, | |
256 uint64_t atom_data_size); | |
257 static ngx_int_t ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, | |
258 uint64_t atom_data_size); | |
259 static ngx_int_t ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
260 ngx_http_mp4_trak_t *trak); | |
261 static ngx_int_t ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, | |
262 uint64_t atom_data_size); | |
263 static ngx_int_t ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
264 ngx_http_mp4_trak_t *trak); | |
265 static ngx_int_t ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, | |
266 uint64_t atom_data_size); | |
267 static void ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
268 ngx_http_mp4_trak_t *trak); | |
269 static ngx_int_t ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, | |
270 uint64_t atom_data_size); | |
271 static ngx_int_t ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
272 ngx_http_mp4_trak_t *trak); | |
273 static ngx_int_t ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, | |
274 uint64_t atom_data_size); | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
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diff
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|
275 static ngx_int_t ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
4085 | 276 ngx_http_mp4_trak_t *trak); |
277 static ngx_int_t ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, | |
278 uint64_t atom_data_size); | |
279 static ngx_int_t ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
280 ngx_http_mp4_trak_t *trak); | |
281 static void ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
282 ngx_http_mp4_trak_t *trak, int32_t adjustment); | |
4112 | 283 static ngx_int_t ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, |
284 uint64_t atom_data_size); | |
285 static ngx_int_t ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
286 ngx_http_mp4_trak_t *trak); | |
287 static void ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
288 ngx_http_mp4_trak_t *trak, off_t adjustment); | |
5202
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|
289 |
4085 | 290 static char *ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
291 static void *ngx_http_mp4_create_conf(ngx_conf_t *cf); | |
292 static char *ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child); | |
293 | |
5202
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294 |
4085 | 295 static ngx_command_t ngx_http_mp4_commands[] = { |
296 | |
297 { ngx_string("mp4"), | |
298 NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, | |
299 ngx_http_mp4, | |
300 0, | |
301 0, | |
302 NULL }, | |
303 | |
304 { ngx_string("mp4_buffer_size"), | |
305 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
306 ngx_conf_set_size_slot, | |
307 NGX_HTTP_LOC_CONF_OFFSET, | |
308 offsetof(ngx_http_mp4_conf_t, buffer_size), | |
309 NULL }, | |
310 | |
4089
e27670e1ab70
mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
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4088
diff
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|
311 { ngx_string("mp4_max_buffer_size"), |
4085 | 312 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
313 ngx_conf_set_size_slot, | |
314 NGX_HTTP_LOC_CONF_OFFSET, | |
4089
e27670e1ab70
mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
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|
315 offsetof(ngx_http_mp4_conf_t, max_buffer_size), |
4085 | 316 NULL }, |
317 | |
318 ngx_null_command | |
319 }; | |
320 | |
321 | |
322 static ngx_http_module_t ngx_http_mp4_module_ctx = { | |
323 NULL, /* preconfiguration */ | |
324 NULL, /* postconfiguration */ | |
325 | |
326 NULL, /* create main configuration */ | |
327 NULL, /* init main configuration */ | |
328 | |
329 NULL, /* create server configuration */ | |
330 NULL, /* merge server configuration */ | |
331 | |
332 ngx_http_mp4_create_conf, /* create location configuration */ | |
333 ngx_http_mp4_merge_conf /* merge location configuration */ | |
334 }; | |
335 | |
336 | |
337 ngx_module_t ngx_http_mp4_module = { | |
338 NGX_MODULE_V1, | |
339 &ngx_http_mp4_module_ctx, /* module context */ | |
340 ngx_http_mp4_commands, /* module directives */ | |
341 NGX_HTTP_MODULE, /* module type */ | |
342 NULL, /* init master */ | |
343 NULL, /* init module */ | |
344 NULL, /* init process */ | |
345 NULL, /* init thread */ | |
346 NULL, /* exit thread */ | |
347 NULL, /* exit process */ | |
348 NULL, /* exit master */ | |
349 NGX_MODULE_V1_PADDING | |
350 }; | |
351 | |
352 | |
353 static ngx_http_mp4_atom_handler_t ngx_http_mp4_atoms[] = { | |
354 { "ftyp", ngx_http_mp4_read_ftyp_atom }, | |
355 { "moov", ngx_http_mp4_read_moov_atom }, | |
356 { "mdat", ngx_http_mp4_read_mdat_atom }, | |
357 { NULL, NULL } | |
358 }; | |
359 | |
360 static ngx_http_mp4_atom_handler_t ngx_http_mp4_moov_atoms[] = { | |
361 { "mvhd", ngx_http_mp4_read_mvhd_atom }, | |
362 { "trak", ngx_http_mp4_read_trak_atom }, | |
363 { "cmov", ngx_http_mp4_read_cmov_atom }, | |
364 { NULL, NULL } | |
365 }; | |
366 | |
367 static ngx_http_mp4_atom_handler_t ngx_http_mp4_trak_atoms[] = { | |
368 { "tkhd", ngx_http_mp4_read_tkhd_atom }, | |
369 { "mdia", ngx_http_mp4_read_mdia_atom }, | |
370 { NULL, NULL } | |
371 }; | |
372 | |
373 static ngx_http_mp4_atom_handler_t ngx_http_mp4_mdia_atoms[] = { | |
374 { "mdhd", ngx_http_mp4_read_mdhd_atom }, | |
375 { "hdlr", ngx_http_mp4_read_hdlr_atom }, | |
376 { "minf", ngx_http_mp4_read_minf_atom }, | |
377 { NULL, NULL } | |
378 }; | |
379 | |
380 static ngx_http_mp4_atom_handler_t ngx_http_mp4_minf_atoms[] = { | |
381 { "vmhd", ngx_http_mp4_read_vmhd_atom }, | |
382 { "smhd", ngx_http_mp4_read_smhd_atom }, | |
383 { "dinf", ngx_http_mp4_read_dinf_atom }, | |
384 { "stbl", ngx_http_mp4_read_stbl_atom }, | |
385 { NULL, NULL } | |
386 }; | |
387 | |
388 static ngx_http_mp4_atom_handler_t ngx_http_mp4_stbl_atoms[] = { | |
389 { "stsd", ngx_http_mp4_read_stsd_atom }, | |
390 { "stts", ngx_http_mp4_read_stts_atom }, | |
391 { "stss", ngx_http_mp4_read_stss_atom }, | |
392 { "ctts", ngx_http_mp4_read_ctts_atom }, | |
393 { "stsc", ngx_http_mp4_read_stsc_atom }, | |
394 { "stsz", ngx_http_mp4_read_stsz_atom }, | |
395 { "stco", ngx_http_mp4_read_stco_atom }, | |
4112 | 396 { "co64", ngx_http_mp4_read_co64_atom }, |
4085 | 397 { NULL, NULL } |
398 }; | |
399 | |
400 | |
401 static ngx_int_t | |
402 ngx_http_mp4_handler(ngx_http_request_t *r) | |
403 { | |
404 u_char *last; | |
405 size_t root; | |
406 ngx_int_t rc, start; | |
407 ngx_uint_t level; | |
408 ngx_str_t path, value; | |
409 ngx_log_t *log; | |
410 ngx_buf_t *b; | |
411 ngx_chain_t out; | |
412 ngx_http_mp4_file_t *mp4; | |
413 ngx_open_file_info_t of; | |
414 ngx_http_core_loc_conf_t *clcf; | |
415 | |
416 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { | |
417 return NGX_HTTP_NOT_ALLOWED; | |
418 } | |
419 | |
420 if (r->uri.data[r->uri.len - 1] == '/') { | |
421 return NGX_DECLINED; | |
422 } | |
423 | |
424 rc = ngx_http_discard_request_body(r); | |
425 | |
426 if (rc != NGX_OK) { | |
427 return rc; | |
428 } | |
429 | |
430 last = ngx_http_map_uri_to_path(r, &path, &root, 0); | |
431 if (last == NULL) { | |
432 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
433 } | |
434 | |
435 log = r->connection->log; | |
436 | |
437 path.len = last - path.data; | |
438 | |
439 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, | |
440 "http mp4 filename: \"%V\"", &path); | |
441 | |
442 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
443 | |
444 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); | |
445 | |
446 of.read_ahead = clcf->read_ahead; | |
4087
3aa3b7bb9f0d
Bugfix of r4086: directio was always enabled if mp4 file was sent as is.
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diff
changeset
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447 of.directio = NGX_MAX_OFF_T_VALUE; |
4085 | 448 of.valid = clcf->open_file_cache_valid; |
449 of.min_uses = clcf->open_file_cache_min_uses; | |
450 of.errors = clcf->open_file_cache_errors; | |
451 of.events = clcf->open_file_cache_events; | |
4494
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
452 |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
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453 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { |
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454 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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Disable symlinks: initialization of the "disable_symlinks" field in
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changeset
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455 } |
4085 | 456 |
457 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) | |
458 != NGX_OK) | |
459 { | |
460 switch (of.err) { | |
461 | |
462 case 0: | |
463 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
464 | |
465 case NGX_ENOENT: | |
466 case NGX_ENOTDIR: | |
467 case NGX_ENAMETOOLONG: | |
468 | |
469 level = NGX_LOG_ERR; | |
470 rc = NGX_HTTP_NOT_FOUND; | |
471 break; | |
472 | |
473 case NGX_EACCES: | |
4478
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Support for disable_symlinks in various modules.
Andrey Belov <defan@nginx.com>
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474 #if (NGX_HAVE_OPENAT) |
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475 case NGX_EMLINK: |
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476 case NGX_ELOOP: |
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477 #endif |
4085 | 478 |
479 level = NGX_LOG_ERR; | |
480 rc = NGX_HTTP_FORBIDDEN; | |
481 break; | |
482 | |
483 default: | |
484 | |
485 level = NGX_LOG_CRIT; | |
486 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
487 break; | |
488 } | |
489 | |
490 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { | |
491 ngx_log_error(level, log, of.err, | |
492 "%s \"%s\" failed", of.failed, path.data); | |
493 } | |
494 | |
495 return rc; | |
496 } | |
497 | |
498 if (!of.is_file) { | |
499 | |
500 if (ngx_close_file(of.fd) == NGX_FILE_ERROR) { | |
501 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
502 ngx_close_file_n " \"%s\" failed", path.data); | |
503 } | |
504 | |
505 return NGX_DECLINED; | |
506 } | |
507 | |
508 r->root_tested = !r->error_page; | |
509 r->allow_ranges = 1; | |
510 | |
511 start = -1; | |
512 r->headers_out.content_length_n = of.size; | |
513 mp4 = NULL; | |
514 b = NULL; | |
515 | |
516 if (r->args.len) { | |
517 | |
518 if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) { | |
519 | |
4156
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520 /* |
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521 * A Flash player may send start value with a lot of digits |
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522 * after dot so strtod() is used instead of atofp(). NaNs and |
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523 * infinities become negative numbers after (int) conversion. |
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524 */ |
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Using strtod() instead of atofp() to support a lot of digits after dot in
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525 |
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Using strtod() instead of atofp() to support a lot of digits after dot in
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526 ngx_set_errno(0); |
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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527 start = (int) (strtod((char *) value.data, NULL) * 1000); |
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Using strtod() instead of atofp() to support a lot of digits after dot in
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528 |
5202
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Mp4: indentation and style, no functional changes.
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529 if (ngx_errno != 0) { |
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Mp4: indentation and style, no functional changes.
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530 start = -1; |
4085 | 531 } |
532 } | |
533 } | |
534 | |
5202
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535 if (start >= 0) { |
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536 r->allow_ranges = 0; |
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537 |
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538 mp4 = ngx_pcalloc(r->pool, sizeof(ngx_http_mp4_file_t)); |
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539 if (mp4 == NULL) { |
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540 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
322434f13bd8
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541 } |
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542 |
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543 mp4->file.fd = of.fd; |
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Mp4: indentation and style, no functional changes.
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544 mp4->file.name = path; |
5496
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Style: removed surplus semicolons.
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545 mp4->file.log = r->connection->log; |
5202
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546 mp4->end = of.size; |
322434f13bd8
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547 mp4->start = (ngx_uint_t) start; |
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548 mp4->request = r; |
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Mp4: indentation and style, no functional changes.
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549 |
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|
550 switch (ngx_http_mp4_process(mp4)) { |
322434f13bd8
Mp4: indentation and style, no functional changes.
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|
551 |
322434f13bd8
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552 case NGX_DECLINED: |
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553 if (mp4->buffer) { |
322434f13bd8
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554 ngx_pfree(r->pool, mp4->buffer); |
322434f13bd8
Mp4: indentation and style, no functional changes.
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555 } |
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Mp4: indentation and style, no functional changes.
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|
556 |
322434f13bd8
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|
557 ngx_pfree(r->pool, mp4); |
322434f13bd8
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558 mp4 = NULL; |
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Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
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559 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
560 break; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
561 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
562 case NGX_OK: |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
563 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
|
564 break; |
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 default: /* NGX_ERROR */ |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
567 if (mp4->buffer) { |
322434f13bd8
Mp4: indentation and style, no functional changes.
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parents:
5097
diff
changeset
|
568 ngx_pfree(r->pool, mp4->buffer); |
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.
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parents:
5097
diff
changeset
|
571 ngx_pfree(r->pool, mp4); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
572 |
322434f13bd8
Mp4: indentation and style, no functional changes.
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parents:
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diff
changeset
|
573 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
322434f13bd8
Mp4: indentation and style, no functional changes.
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parents:
5097
diff
changeset
|
574 } |
322434f13bd8
Mp4: indentation and style, no functional changes.
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parents:
5097
diff
changeset
|
575 } |
322434f13bd8
Mp4: indentation and style, no functional changes.
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|
576 |
4085 | 577 log->action = "sending mp4 to client"; |
578 | |
579 if (clcf->directio <= of.size) { | |
580 | |
581 /* | |
582 * DIRECTIO is set on transfer only | |
583 * to allow kernel to cache "moov" atom | |
584 */ | |
585 | |
586 if (ngx_directio_on(of.fd) == NGX_FILE_ERROR) { | |
587 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
588 ngx_directio_on_n " \"%s\" failed", path.data); | |
589 } | |
590 | |
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
|
591 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
|
592 |
4085 | 593 if (mp4) { |
594 mp4->file.directio = 1; | |
595 } | |
596 } | |
597 | |
598 r->headers_out.status = NGX_HTTP_OK; | |
599 r->headers_out.last_modified_time = of.mtime; | |
600 | |
4748
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
601 if (ngx_http_set_etag(r) != NGX_OK) { |
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
602 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
603 } |
192f54280a7a
Entity tags: set for static respones.
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parents:
4705
diff
changeset
|
604 |
4085 | 605 if (ngx_http_set_content_type(r) != NGX_OK) { |
606 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
607 } | |
608 | |
609 if (mp4 == NULL) { | |
610 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); | |
611 if (b == NULL) { | |
612 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
613 } | |
614 | |
615 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); | |
616 if (b->file == NULL) { | |
617 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
618 } | |
619 } | |
620 | |
621 rc = ngx_http_send_header(r); | |
622 | |
623 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
624 return rc; | |
625 } | |
626 | |
627 if (mp4) { | |
628 return ngx_http_output_filter(r, mp4->out); | |
629 } | |
630 | |
631 b->file_pos = 0; | |
632 b->file_last = of.size; | |
633 | |
634 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
|
635 b->last_buf = (r == r->main) ? 1 : 0; |
4085 | 636 b->last_in_chain = 1; |
637 | |
638 b->file->fd = of.fd; | |
639 b->file->name = path; | |
640 b->file->log = log; | |
641 b->file->directio = of.is_directio; | |
642 | |
643 out.buf = b; | |
644 out.next = NULL; | |
645 | |
646 return ngx_http_output_filter(r, &out); | |
647 } | |
648 | |
649 | |
650 static ngx_int_t | |
651 ngx_http_mp4_process(ngx_http_mp4_file_t *mp4) | |
652 { | |
653 off_t start_offset, adjustment; | |
654 ngx_int_t rc; | |
655 ngx_uint_t i, j; | |
656 ngx_chain_t **prev; | |
657 ngx_http_mp4_trak_t *trak; | |
658 ngx_http_mp4_conf_t *conf; | |
659 | |
660 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
661 "mp4 start:%ui", mp4->start); | |
662 | |
663 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
664 | |
665 mp4->buffer_size = conf->buffer_size; | |
666 | |
667 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_atoms, mp4->end); | |
668 if (rc != NGX_OK) { | |
669 return rc; | |
670 } | |
671 | |
672 if (mp4->trak.nelts == 0) { | |
673 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
674 "no mp4 trak atoms were found in \"%s\"", | |
675 mp4->file.name.data); | |
676 return NGX_ERROR; | |
677 } | |
678 | |
679 if (mp4->mdat_atom.buf == NULL) { | |
680 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
681 "no mp4 mdat atom was found in \"%s\"", | |
682 mp4->file.name.data); | |
683 return NGX_ERROR; | |
684 } | |
685 | |
686 prev = &mp4->out; | |
687 | |
688 if (mp4->ftyp_atom.buf) { | |
689 *prev = &mp4->ftyp_atom; | |
690 prev = &mp4->ftyp_atom.next; | |
691 } | |
692 | |
693 *prev = &mp4->moov_atom; | |
694 prev = &mp4->moov_atom.next; | |
695 | |
696 if (mp4->mvhd_atom.buf) { | |
697 mp4->moov_size += mp4->mvhd_atom_buf.last - mp4->mvhd_atom_buf.pos; | |
698 *prev = &mp4->mvhd_atom; | |
699 prev = &mp4->mvhd_atom.next; | |
700 } | |
701 | |
702 start_offset = mp4->end; | |
703 trak = mp4->trak.elts; | |
704 | |
705 for (i = 0; i < mp4->trak.nelts; i++) { | |
706 | |
707 if (ngx_http_mp4_update_stts_atom(mp4, &trak[i]) != NGX_OK) { | |
708 return NGX_ERROR; | |
709 } | |
710 | |
711 if (ngx_http_mp4_update_stss_atom(mp4, &trak[i]) != NGX_OK) { | |
712 return NGX_ERROR; | |
713 } | |
714 | |
715 ngx_http_mp4_update_ctts_atom(mp4, &trak[i]); | |
716 | |
717 if (ngx_http_mp4_update_stsc_atom(mp4, &trak[i]) != NGX_OK) { | |
718 return NGX_ERROR; | |
719 } | |
720 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
721 if (ngx_http_mp4_update_stsz_atom(mp4, &trak[i]) != NGX_OK) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
722 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
723 } |
4085 | 724 |
4112 | 725 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
726 if (ngx_http_mp4_update_co64_atom(mp4, &trak[i]) != NGX_OK) { | |
727 return NGX_ERROR; | |
728 } | |
729 | |
730 } else { | |
731 if (ngx_http_mp4_update_stco_atom(mp4, &trak[i]) != NGX_OK) { | |
732 return NGX_ERROR; | |
733 } | |
4085 | 734 } |
735 | |
736 ngx_http_mp4_update_stbl_atom(mp4, &trak[i]); | |
737 ngx_http_mp4_update_minf_atom(mp4, &trak[i]); | |
738 trak[i].size += trak[i].mdhd_size; | |
739 trak[i].size += trak[i].hdlr_size; | |
740 ngx_http_mp4_update_mdia_atom(mp4, &trak[i]); | |
741 trak[i].size += trak[i].tkhd_size; | |
742 ngx_http_mp4_update_trak_atom(mp4, &trak[i]); | |
743 | |
744 mp4->moov_size += trak[i].size; | |
745 | |
746 if (start_offset > trak[i].start_offset) { | |
747 start_offset = trak[i].start_offset; | |
748 } | |
749 | |
750 *prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM]; | |
751 prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM].next; | |
752 | |
753 for (j = 0; j < NGX_HTTP_MP4_LAST_ATOM + 1; j++) { | |
754 if (trak[i].out[j].buf) { | |
755 *prev = &trak[i].out[j]; | |
756 prev = &trak[i].out[j].next; | |
757 } | |
758 } | |
759 } | |
760 | |
761 mp4->moov_size += 8; | |
762 | |
763 ngx_mp4_set_32value(mp4->moov_atom_header, mp4->moov_size); | |
764 ngx_mp4_set_atom_name(mp4->moov_atom_header, 'm', 'o', 'o', 'v'); | |
765 mp4->content_length += mp4->moov_size; | |
766 | |
767 *prev = &mp4->mdat_atom; | |
768 | |
5097
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
769 if (start_offset > mp4->mdat_data.buf->file_last) { |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
770 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
771 "start time is out mp4 mdat atom in \"%s\"", |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
772 mp4->file.name.data); |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
773 return NGX_ERROR; |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
774 } |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
775 |
4085 | 776 adjustment = mp4->ftyp_size + mp4->moov_size |
777 + ngx_http_mp4_update_mdat_atom(mp4, start_offset) | |
778 - start_offset; | |
779 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
780 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4579 | 781 "mp4 adjustment:%O", adjustment); |
4085 | 782 |
783 for (i = 0; i < mp4->trak.nelts; i++) { | |
4112 | 784 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
785 ngx_http_mp4_adjust_co64_atom(mp4, &trak[i], adjustment); | |
786 } else { | |
787 ngx_http_mp4_adjust_stco_atom(mp4, &trak[i], (int32_t) adjustment); | |
788 } | |
4085 | 789 } |
790 | |
791 return NGX_OK; | |
792 } | |
793 | |
794 | |
795 typedef struct { | |
796 u_char size[4]; | |
797 u_char name[4]; | |
798 } ngx_mp4_atom_header_t; | |
799 | |
800 typedef struct { | |
801 u_char size[4]; | |
802 u_char name[4]; | |
803 u_char size64[8]; | |
804 } ngx_mp4_atom_header64_t; | |
805 | |
806 | |
807 static ngx_int_t | |
808 ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
809 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size) | |
810 { | |
811 off_t end; | |
812 size_t atom_header_size; | |
813 u_char *atom_header, *atom_name; | |
814 uint64_t atom_size; | |
815 ngx_int_t rc; | |
816 ngx_uint_t n; | |
817 | |
818 end = mp4->offset + atom_data_size; | |
819 | |
820 while (mp4->offset < end) { | |
821 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
822 if (ngx_http_mp4_read(mp4, sizeof(uint32_t)) != NGX_OK) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
823 return NGX_ERROR; |
4085 | 824 } |
825 | |
826 atom_header = mp4->buffer_pos; | |
827 atom_size = ngx_mp4_get_32value(atom_header); | |
828 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
829 | |
830 if (atom_size == 0) { | |
831 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
832 "mp4 atom end"); | |
833 return NGX_OK; | |
834 } | |
835 | |
836 if (atom_size < sizeof(ngx_mp4_atom_header_t)) { | |
837 | |
838 if (atom_size == 1) { | |
839 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
840 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header64_t)) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
841 != NGX_OK) |
4085 | 842 { |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
843 return NGX_ERROR; |
4085 | 844 } |
845 | |
846 /* 64-bit atom size */ | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
847 atom_header = mp4->buffer_pos; |
4085 | 848 atom_size = ngx_mp4_get_64value(atom_header + 8); |
849 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
850 | |
851 } else { | |
852 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
853 "\"%s\" mp4 atom is too small:%uL", | |
854 mp4->file.name.data, atom_size); | |
855 return NGX_ERROR; | |
856 } | |
857 } | |
858 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
859 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header_t)) != NGX_OK) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
860 return NGX_ERROR; |
4085 | 861 } |
862 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
863 atom_header = mp4->buffer_pos; |
4085 | 864 atom_name = atom_header + sizeof(uint32_t); |
865 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
866 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 867 "mp4 atom: %*s @%O:%uL", |
868 4, atom_name, mp4->offset, atom_size); | |
869 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
870 if (atom_size > (uint64_t) (NGX_MAX_OFF_T_VALUE - mp4->offset) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
871 || mp4->offset + (off_t) atom_size > end) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
872 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
873 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
874 "\"%s\" mp4 atom too large:%uL", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
875 mp4->file.name.data, atom_size); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
876 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
877 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
878 |
4085 | 879 for (n = 0; atom[n].name; n++) { |
880 | |
881 if (ngx_strncmp(atom_name, atom[n].name, 4) == 0) { | |
882 | |
883 ngx_mp4_atom_next(mp4, atom_header_size); | |
884 | |
885 rc = atom[n].handler(mp4, atom_size - atom_header_size); | |
886 if (rc != NGX_OK) { | |
887 return rc; | |
888 } | |
889 | |
890 goto next; | |
891 } | |
892 } | |
893 | |
894 ngx_mp4_atom_next(mp4, atom_size); | |
895 | |
896 next: | |
897 continue; | |
898 } | |
899 | |
900 return NGX_OK; | |
901 } | |
902 | |
903 | |
904 static ngx_int_t | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
905 ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size) |
4085 | 906 { |
4585
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Mp4: sanity checks cleanup.
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907 ssize_t n; |
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908 |
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909 if (mp4->buffer_pos + size <= mp4->buffer_end) { |
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910 return NGX_OK; |
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911 } |
4085 | 912 |
913 if (mp4->offset + (off_t) mp4->buffer_size > mp4->end) { | |
914 mp4->buffer_size = (size_t) (mp4->end - mp4->offset); | |
915 } | |
916 | |
4585
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917 if (mp4->buffer_size < size) { |
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918 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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919 "\"%s\" mp4 file truncated", mp4->file.name.data); |
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920 return NGX_ERROR; |
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921 } |
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922 |
4085 | 923 if (mp4->buffer == NULL) { |
924 mp4->buffer = ngx_palloc(mp4->request->pool, mp4->buffer_size); | |
925 if (mp4->buffer == NULL) { | |
926 return NGX_ERROR; | |
927 } | |
928 | |
929 mp4->buffer_start = mp4->buffer; | |
930 } | |
931 | |
932 n = ngx_read_file(&mp4->file, mp4->buffer_start, mp4->buffer_size, | |
933 mp4->offset); | |
934 | |
935 if (n == NGX_ERROR) { | |
936 return NGX_ERROR; | |
937 } | |
938 | |
4585
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939 if ((size_t) n != mp4->buffer_size) { |
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940 ngx_log_error(NGX_LOG_CRIT, mp4->file.log, 0, |
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941 ngx_read_file_n " read only %z of %z from \"%s\"", |
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942 n, mp4->buffer_size, mp4->file.name.data); |
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943 return NGX_ERROR; |
4085 | 944 } |
945 | |
946 mp4->buffer_pos = mp4->buffer_start; | |
4585
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947 mp4->buffer_end = mp4->buffer_start + mp4->buffer_size; |
4085 | 948 |
949 return NGX_OK; | |
950 } | |
951 | |
952 | |
953 static ngx_int_t | |
954 ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
955 { | |
956 u_char *ftyp_atom; | |
957 size_t atom_size; | |
958 ngx_buf_t *atom; | |
959 | |
960 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ftyp atom"); | |
961 | |
4585
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962 if (atom_data_size > 1024 |
5359
2fda9065d0f4
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963 || ngx_mp4_atom_data(mp4) + (size_t) atom_data_size > mp4->buffer_end) |
4585
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964 { |
4085 | 965 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
966 "\"%s\" mp4 ftyp atom is too large:%uL", | |
967 mp4->file.name.data, atom_data_size); | |
968 return NGX_ERROR; | |
969 } | |
970 | |
971 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
972 | |
973 ftyp_atom = ngx_palloc(mp4->request->pool, atom_size); | |
974 if (ftyp_atom == NULL) { | |
975 return NGX_ERROR; | |
976 } | |
977 | |
978 ngx_mp4_set_32value(ftyp_atom, atom_size); | |
979 ngx_mp4_set_atom_name(ftyp_atom, 'f', 't', 'y', 'p'); | |
980 | |
981 /* | |
982 * only moov atom content is guaranteed to be in mp4->buffer | |
983 * during sending response, so ftyp atom content should be copied | |
984 */ | |
985 ngx_memcpy(ftyp_atom + sizeof(ngx_mp4_atom_header_t), | |
986 ngx_mp4_atom_data(mp4), (size_t) atom_data_size); | |
987 | |
988 atom = &mp4->ftyp_atom_buf; | |
989 atom->temporary = 1; | |
990 atom->pos = ftyp_atom; | |
991 atom->last = ftyp_atom + atom_size; | |
992 | |
993 mp4->ftyp_atom.buf = atom; | |
994 mp4->ftyp_size = atom_size; | |
995 mp4->content_length = atom_size; | |
996 | |
997 ngx_mp4_atom_next(mp4, atom_data_size); | |
998 | |
999 return NGX_OK; | |
1000 } | |
1001 | |
1002 | |
1003 /* | |
1004 * Small excess buffer to process atoms after moov atom, mp4->buffer_start | |
1005 * will be set to this buffer part after moov atom processing. | |
1006 */ | |
1007 #define NGX_HTTP_MP4_MOOV_BUFFER_EXCESS (4 * 1024) | |
1008 | |
1009 static ngx_int_t | |
1010 ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1011 { | |
1012 ngx_int_t rc; | |
1013 ngx_uint_t no_mdat; | |
1014 ngx_buf_t *atom; | |
1015 ngx_http_mp4_conf_t *conf; | |
1016 | |
1017 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom"); | |
1018 | |
1019 no_mdat = (mp4->mdat_atom.buf == NULL); | |
1020 | |
1021 if (no_mdat && mp4->start == 0) { | |
1022 /* | |
1023 * send original file if moov atom resides before | |
1024 * mdat atom and client requests integral file | |
1025 */ | |
1026 return NGX_DECLINED; | |
1027 } | |
1028 | |
1029 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
1030 | |
1031 if (atom_data_size > mp4->buffer_size) { | |
1032 | |
4089
e27670e1ab70
mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
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changeset
|
1033 if (atom_data_size > conf->max_buffer_size) { |
4085 | 1034 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
1035 "\"%s\" mp4 moov atom is too large:%uL, " | |
4089
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changeset
|
1036 "you may want to increase mp4_max_buffer_size", |
4085 | 1037 mp4->file.name.data, atom_data_size); |
1038 return NGX_ERROR; | |
1039 } | |
1040 | |
1041 ngx_pfree(mp4->request->pool, mp4->buffer); | |
1042 mp4->buffer = NULL; | |
1043 mp4->buffer_pos = NULL; | |
1044 mp4->buffer_end = NULL; | |
1045 | |
1046 mp4->buffer_size = (size_t) atom_data_size | |
1047 + NGX_HTTP_MP4_MOOV_BUFFER_EXCESS * no_mdat; | |
1048 } | |
1049 | |
4705
9a43b145a8ba
Mp4: fixed build on win32 after r4689.
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1050 if (ngx_http_mp4_read(mp4, (size_t) atom_data_size) != NGX_OK) { |
4688
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Mp4: fixed streaming if moov atom is at buffer edge.
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1051 return NGX_ERROR; |
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Mp4: fixed streaming if moov atom is at buffer edge.
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1052 } |
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1053 |
4085 | 1054 mp4->trak.elts = &mp4->traks; |
1055 mp4->trak.size = sizeof(ngx_http_mp4_trak_t); | |
1056 mp4->trak.nalloc = 2; | |
1057 mp4->trak.pool = mp4->request->pool; | |
1058 | |
1059 atom = &mp4->moov_atom_buf; | |
1060 atom->temporary = 1; | |
1061 atom->pos = mp4->moov_atom_header; | |
1062 atom->last = mp4->moov_atom_header + 8; | |
1063 | |
1064 mp4->moov_atom.buf = &mp4->moov_atom_buf; | |
1065 | |
1066 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_moov_atoms, atom_data_size); | |
1067 | |
1068 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom done"); | |
1069 | |
1070 if (no_mdat) { | |
1071 mp4->buffer_start = mp4->buffer_pos; | |
1072 mp4->buffer_size = NGX_HTTP_MP4_MOOV_BUFFER_EXCESS; | |
1073 | |
4688
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1074 if (mp4->buffer_start + mp4->buffer_size > mp4->buffer_end) { |
5fedb27c3e36
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1075 mp4->buffer = NULL; |
5fedb27c3e36
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parents:
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|
1076 mp4->buffer_pos = NULL; |
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
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1077 mp4->buffer_end = NULL; |
5fedb27c3e36
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parents:
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1078 } |
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1079 |
4085 | 1080 } else { |
1081 /* skip atoms after moov atom */ | |
1082 mp4->offset = mp4->end; | |
1083 } | |
1084 | |
1085 return rc; | |
1086 } | |
1087 | |
1088 | |
1089 static ngx_int_t | |
1090 ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1091 { | |
1092 ngx_buf_t *data; | |
1093 | |
1094 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdat atom"); | |
1095 | |
1096 data = &mp4->mdat_data_buf; | |
1097 data->file = &mp4->file; | |
1098 data->in_file = 1; | |
1099 data->last_buf = 1; | |
1100 data->last_in_chain = 1; | |
1101 data->file_last = mp4->offset + atom_data_size; | |
1102 | |
1103 mp4->mdat_atom.buf = &mp4->mdat_atom_buf; | |
1104 mp4->mdat_atom.next = &mp4->mdat_data; | |
1105 mp4->mdat_data.buf = data; | |
1106 | |
1107 if (mp4->trak.nelts) { | |
1108 /* skip atoms after mdat atom */ | |
1109 mp4->offset = mp4->end; | |
1110 | |
1111 } else { | |
1112 ngx_mp4_atom_next(mp4, atom_data_size); | |
1113 } | |
1114 | |
1115 return NGX_OK; | |
1116 } | |
1117 | |
1118 | |
1119 static size_t | |
1120 ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, off_t start_offset) | |
1121 { | |
1122 off_t atom_data_size; | |
1123 u_char *atom_header; | |
1124 uint32_t atom_header_size; | |
1125 uint64_t atom_size; | |
1126 ngx_buf_t *atom; | |
1127 | |
1128 atom_data_size = mp4->mdat_data.buf->file_last - start_offset; | |
1129 mp4->mdat_data.buf->file_pos = start_offset; | |
1130 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
1131 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 1132 "mdat new offset @%O:%O", start_offset, atom_data_size); |
1133 | |
1134 atom_header = mp4->mdat_atom_header; | |
1135 | |
5358
670ceaba03d8
Win32: Open Watcom C compatibility fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5202
diff
changeset
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1136 if ((uint64_t) atom_data_size > (uint64_t) 0xffffffff) { |
4085 | 1137 atom_size = 1; |
1138 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
1139 ngx_mp4_set_64value(atom_header + sizeof(ngx_mp4_atom_header_t), | |
1140 sizeof(ngx_mp4_atom_header64_t) + atom_data_size); | |
1141 } else { | |
1142 atom_size = sizeof(ngx_mp4_atom_header_t) + atom_data_size; | |
1143 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
1144 } | |
1145 | |
4282
71cdac0b9ea6
Fix of "Content-Length" header of MP4 response if start argument was used.
Igor Sysoev <igor@sysoev.ru>
parents:
4189
diff
changeset
|
1146 mp4->content_length += atom_header_size + atom_data_size; |
71cdac0b9ea6
Fix of "Content-Length" header of MP4 response if start argument was used.
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parents:
4189
diff
changeset
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1147 |
4085 | 1148 ngx_mp4_set_32value(atom_header, atom_size); |
1149 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'a', 't'); | |
1150 | |
1151 atom = &mp4->mdat_atom_buf; | |
1152 atom->temporary = 1; | |
1153 atom->pos = atom_header; | |
1154 atom->last = atom_header + atom_header_size; | |
1155 | |
1156 return atom_header_size; | |
1157 } | |
1158 | |
1159 | |
1160 typedef struct { | |
1161 u_char size[4]; | |
1162 u_char name[4]; | |
1163 u_char version[1]; | |
1164 u_char flags[3]; | |
1165 u_char creation_time[4]; | |
1166 u_char modification_time[4]; | |
1167 u_char timescale[4]; | |
1168 u_char duration[4]; | |
1169 u_char rate[4]; | |
1170 u_char volume[2]; | |
1171 u_char reserved[10]; | |
1172 u_char matrix[36]; | |
1173 u_char preview_time[4]; | |
1174 u_char preview_duration[4]; | |
1175 u_char poster_time[4]; | |
1176 u_char selection_time[4]; | |
1177 u_char selection_duration[4]; | |
1178 u_char current_time[4]; | |
1179 u_char next_track_id[4]; | |
1180 } ngx_mp4_mvhd_atom_t; | |
1181 | |
1182 typedef struct { | |
1183 u_char size[4]; | |
1184 u_char name[4]; | |
1185 u_char version[1]; | |
1186 u_char flags[3]; | |
1187 u_char creation_time[8]; | |
1188 u_char modification_time[8]; | |
1189 u_char timescale[4]; | |
1190 u_char duration[8]; | |
1191 u_char rate[4]; | |
1192 u_char volume[2]; | |
1193 u_char reserved[10]; | |
1194 u_char matrix[36]; | |
1195 u_char preview_time[4]; | |
1196 u_char preview_duration[4]; | |
1197 u_char poster_time[4]; | |
1198 u_char selection_time[4]; | |
1199 u_char selection_duration[4]; | |
1200 u_char current_time[4]; | |
1201 u_char next_track_id[4]; | |
1202 } ngx_mp4_mvhd64_atom_t; | |
1203 | |
1204 | |
1205 static ngx_int_t | |
1206 ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1207 { | |
1208 u_char *atom_header; | |
1209 size_t atom_size; | |
1210 uint32_t timescale; | |
5543
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1211 uint64_t duration, start_time; |
4085 | 1212 ngx_buf_t *atom; |
1213 ngx_mp4_mvhd_atom_t *mvhd_atom; | |
1214 ngx_mp4_mvhd64_atom_t *mvhd64_atom; | |
1215 | |
1216 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mvhd atom"); | |
1217 | |
1218 atom_header = ngx_mp4_atom_header(mp4); | |
1219 mvhd_atom = (ngx_mp4_mvhd_atom_t *) atom_header; | |
1220 mvhd64_atom = (ngx_mp4_mvhd64_atom_t *) atom_header; | |
1221 ngx_mp4_set_atom_name(atom_header, 'm', 'v', 'h', 'd'); | |
1222 | |
4585
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parents:
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changeset
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1223 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd_atom_t) > atom_data_size) { |
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1224 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1225 "\"%s\" mp4 mvhd atom too small", mp4->file.name.data); |
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1226 return NGX_ERROR; |
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1227 } |
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1228 |
4085 | 1229 if (mvhd_atom->version[0] == 0) { |
1230 /* version 0: 32-bit duration */ | |
1231 timescale = ngx_mp4_get_32value(mvhd_atom->timescale); | |
1232 duration = ngx_mp4_get_32value(mvhd_atom->duration); | |
1233 | |
1234 } else { | |
1235 /* version 1: 64-bit duration */ | |
4585
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parents:
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1236 |
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1237 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd64_atom_t) > atom_data_size) { |
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1238 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1239 "\"%s\" mp4 mvhd atom too small", |
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Mp4: sanity checks cleanup.
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1240 mp4->file.name.data); |
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1241 return NGX_ERROR; |
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1242 } |
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1243 |
4085 | 1244 timescale = ngx_mp4_get_32value(mvhd64_atom->timescale); |
1245 duration = ngx_mp4_get_64value(mvhd64_atom->duration); | |
1246 } | |
1247 | |
1248 mp4->timescale = timescale; | |
1249 | |
1250 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1251 "mvhd timescale:%uD, duration:%uL, time:%.3fs", | |
1252 timescale, duration, (double) duration / timescale); | |
1253 | |
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1254 start_time = (uint64_t) mp4->start * timescale / 1000; |
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1255 |
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1256 if (duration < start_time) { |
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1257 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1258 "\"%s\" mp4 start time exceeds file duration", |
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1259 mp4->file.name.data); |
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1260 return NGX_ERROR; |
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1261 } |
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1262 |
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1263 duration -= start_time; |
4085 | 1264 |
1265 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1266 "mvhd new duration:%uL, time:%.3fs", | |
1267 duration, (double) duration / timescale); | |
1268 | |
1269 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1270 ngx_mp4_set_32value(mvhd_atom->size, atom_size); | |
1271 | |
1272 if (mvhd_atom->version[0] == 0) { | |
1273 ngx_mp4_set_32value(mvhd_atom->duration, duration); | |
1274 | |
1275 } else { | |
1276 ngx_mp4_set_64value(mvhd64_atom->duration, duration); | |
1277 } | |
1278 | |
1279 atom = &mp4->mvhd_atom_buf; | |
1280 atom->temporary = 1; | |
1281 atom->pos = atom_header; | |
1282 atom->last = atom_header + atom_size; | |
1283 | |
1284 mp4->mvhd_atom.buf = atom; | |
1285 | |
1286 ngx_mp4_atom_next(mp4, atom_data_size); | |
1287 | |
1288 return NGX_OK; | |
1289 } | |
1290 | |
1291 | |
1292 static ngx_int_t | |
1293 ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1294 { | |
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1295 u_char *atom_header, *atom_end; |
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1296 off_t atom_file_end; |
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1297 ngx_int_t rc; |
4085 | 1298 ngx_buf_t *atom; |
1299 ngx_http_mp4_trak_t *trak; | |
1300 | |
1301 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 trak atom"); | |
1302 | |
1303 trak = ngx_array_push(&mp4->trak); | |
1304 if (trak == NULL) { | |
1305 return NGX_ERROR; | |
1306 } | |
1307 | |
1308 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); | |
1309 | |
1310 atom_header = ngx_mp4_atom_header(mp4); | |
1311 ngx_mp4_set_atom_name(atom_header, 't', 'r', 'a', 'k'); | |
1312 | |
1313 atom = &trak->trak_atom_buf; | |
1314 atom->temporary = 1; | |
1315 atom->pos = atom_header; | |
1316 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1317 | |
1318 trak->out[NGX_HTTP_MP4_TRAK_ATOM].buf = atom; | |
1319 | |
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1320 atom_end = mp4->buffer_pos + (size_t) atom_data_size; |
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1321 atom_file_end = mp4->offset + atom_data_size; |
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1322 |
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1323 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_trak_atoms, atom_data_size); |
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1324 |
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1325 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1326 "mp4 trak atom: %i", rc); |
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1327 |
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1328 if (rc == NGX_DECLINED) { |
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1329 /* skip this trak */ |
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1330 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); |
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1331 mp4->trak.nelts--; |
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1332 mp4->buffer_pos = atom_end; |
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1333 mp4->offset = atom_file_end; |
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1334 return NGX_OK; |
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1335 } |
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1336 |
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1337 return rc; |
4085 | 1338 } |
1339 | |
1340 | |
1341 static void | |
1342 ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
1343 ngx_http_mp4_trak_t *trak) | |
1344 { | |
1345 ngx_buf_t *atom; | |
1346 | |
1347 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1348 atom = &trak->trak_atom_buf; | |
1349 ngx_mp4_set_32value(atom->pos, trak->size); | |
1350 } | |
1351 | |
1352 | |
1353 static ngx_int_t | |
1354 ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1355 { | |
1356 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
1357 "\"%s\" mp4 compressed moov atom (cmov) is not supported", | |
1358 mp4->file.name.data); | |
1359 | |
1360 return NGX_ERROR; | |
1361 } | |
1362 | |
1363 | |
1364 typedef struct { | |
1365 u_char size[4]; | |
1366 u_char name[4]; | |
1367 u_char version[1]; | |
1368 u_char flags[3]; | |
1369 u_char creation_time[4]; | |
1370 u_char modification_time[4]; | |
1371 u_char track_id[4]; | |
1372 u_char reserved1[4]; | |
1373 u_char duration[4]; | |
1374 u_char reserved2[8]; | |
1375 u_char layer[2]; | |
1376 u_char group[2]; | |
1377 u_char volume[2]; | |
1378 u_char reverved3[2]; | |
1379 u_char matrix[36]; | |
1380 u_char width[4]; | |
1381 u_char heigth[4]; | |
1382 } ngx_mp4_tkhd_atom_t; | |
1383 | |
1384 typedef struct { | |
1385 u_char size[4]; | |
1386 u_char name[4]; | |
1387 u_char version[1]; | |
1388 u_char flags[3]; | |
1389 u_char creation_time[8]; | |
1390 u_char modification_time[8]; | |
1391 u_char track_id[4]; | |
1392 u_char reserved1[4]; | |
1393 u_char duration[8]; | |
1394 u_char reserved2[8]; | |
1395 u_char layer[2]; | |
1396 u_char group[2]; | |
1397 u_char volume[2]; | |
1398 u_char reverved3[2]; | |
1399 u_char matrix[36]; | |
1400 u_char width[4]; | |
1401 u_char heigth[4]; | |
1402 } ngx_mp4_tkhd64_atom_t; | |
1403 | |
1404 | |
1405 static ngx_int_t | |
1406 ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1407 { | |
1408 u_char *atom_header; | |
1409 size_t atom_size; | |
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1410 uint64_t duration, start_time; |
4085 | 1411 ngx_buf_t *atom; |
1412 ngx_http_mp4_trak_t *trak; | |
1413 ngx_mp4_tkhd_atom_t *tkhd_atom; | |
1414 ngx_mp4_tkhd64_atom_t *tkhd64_atom; | |
1415 | |
1416 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 tkhd atom"); | |
1417 | |
1418 atom_header = ngx_mp4_atom_header(mp4); | |
1419 tkhd_atom = (ngx_mp4_tkhd_atom_t *) atom_header; | |
1420 tkhd64_atom = (ngx_mp4_tkhd64_atom_t *) atom_header; | |
1421 ngx_mp4_set_atom_name(tkhd_atom, 't', 'k', 'h', 'd'); | |
1422 | |
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1423 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd_atom_t) > atom_data_size) { |
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1424 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1425 "\"%s\" mp4 tkhd atom too small", mp4->file.name.data); |
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1426 return NGX_ERROR; |
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1427 } |
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1428 |
4085 | 1429 if (tkhd_atom->version[0] == 0) { |
1430 /* version 0: 32-bit duration */ | |
1431 duration = ngx_mp4_get_32value(tkhd_atom->duration); | |
1432 | |
1433 } else { | |
1434 /* version 1: 64-bit duration */ | |
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1435 |
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1436 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd64_atom_t) > atom_data_size) { |
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1437 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1438 "\"%s\" mp4 tkhd atom too small", |
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1439 mp4->file.name.data); |
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1440 return NGX_ERROR; |
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1441 } |
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1442 |
4085 | 1443 duration = ngx_mp4_get_64value(tkhd64_atom->duration); |
1444 } | |
1445 | |
1446 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1447 "tkhd duration:%uL, time:%.3fs", | |
1448 duration, (double) duration / mp4->timescale); | |
1449 | |
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1450 start_time = (uint64_t) mp4->start * mp4->timescale / 1000; |
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1451 |
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1452 if (duration < start_time) { |
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1453 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1454 "tkhd duration is less than start time"); |
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1455 return NGX_DECLINED; |
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1456 } |
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1457 |
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1458 duration -= start_time; |
4085 | 1459 |
1460 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1461 "tkhd new duration:%uL, time:%.3fs", | |
1462 duration, (double) duration / mp4->timescale); | |
1463 | |
1464 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1465 | |
1466 trak = ngx_mp4_last_trak(mp4); | |
1467 trak->tkhd_size = atom_size; | |
1468 | |
1469 ngx_mp4_set_32value(tkhd_atom->size, atom_size); | |
1470 | |
1471 if (tkhd_atom->version[0] == 0) { | |
1472 ngx_mp4_set_32value(tkhd_atom->duration, duration); | |
1473 | |
1474 } else { | |
1475 ngx_mp4_set_64value(tkhd64_atom->duration, duration); | |
1476 } | |
1477 | |
1478 atom = &trak->tkhd_atom_buf; | |
1479 atom->temporary = 1; | |
1480 atom->pos = atom_header; | |
1481 atom->last = atom_header + atom_size; | |
1482 | |
1483 trak->out[NGX_HTTP_MP4_TKHD_ATOM].buf = atom; | |
1484 | |
1485 ngx_mp4_atom_next(mp4, atom_data_size); | |
1486 | |
1487 return NGX_OK; | |
1488 } | |
1489 | |
1490 | |
1491 static ngx_int_t | |
1492 ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1493 { | |
1494 u_char *atom_header; | |
1495 ngx_buf_t *atom; | |
1496 ngx_http_mp4_trak_t *trak; | |
1497 | |
1498 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process mdia atom"); | |
1499 | |
1500 atom_header = ngx_mp4_atom_header(mp4); | |
1501 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'i', 'a'); | |
1502 | |
1503 trak = ngx_mp4_last_trak(mp4); | |
1504 | |
1505 atom = &trak->mdia_atom_buf; | |
1506 atom->temporary = 1; | |
1507 atom->pos = atom_header; | |
1508 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1509 | |
1510 trak->out[NGX_HTTP_MP4_MDIA_ATOM].buf = atom; | |
1511 | |
1512 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_mdia_atoms, atom_data_size); | |
1513 } | |
1514 | |
1515 | |
1516 static void | |
1517 ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
1518 ngx_http_mp4_trak_t *trak) | |
1519 { | |
1520 ngx_buf_t *atom; | |
1521 | |
1522 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1523 atom = &trak->mdia_atom_buf; | |
1524 ngx_mp4_set_32value(atom->pos, trak->size); | |
1525 } | |
1526 | |
1527 | |
1528 typedef struct { | |
1529 u_char size[4]; | |
1530 u_char name[4]; | |
1531 u_char version[1]; | |
1532 u_char flags[3]; | |
1533 u_char creation_time[4]; | |
1534 u_char modification_time[4]; | |
1535 u_char timescale[4]; | |
1536 u_char duration[4]; | |
1537 u_char language[2]; | |
1538 u_char quality[2]; | |
1539 } ngx_mp4_mdhd_atom_t; | |
1540 | |
1541 typedef struct { | |
1542 u_char size[4]; | |
1543 u_char name[4]; | |
1544 u_char version[1]; | |
1545 u_char flags[3]; | |
1546 u_char creation_time[8]; | |
1547 u_char modification_time[8]; | |
1548 u_char timescale[4]; | |
1549 u_char duration[8]; | |
1550 u_char language[2]; | |
1551 u_char quality[2]; | |
1552 } ngx_mp4_mdhd64_atom_t; | |
1553 | |
1554 | |
1555 static ngx_int_t | |
1556 ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1557 { | |
1558 u_char *atom_header; | |
1559 size_t atom_size; | |
1560 uint32_t timescale; | |
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1561 uint64_t duration, start_time; |
4085 | 1562 ngx_buf_t *atom; |
1563 ngx_http_mp4_trak_t *trak; | |
1564 ngx_mp4_mdhd_atom_t *mdhd_atom; | |
1565 ngx_mp4_mdhd64_atom_t *mdhd64_atom; | |
1566 | |
1567 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdhd atom"); | |
1568 | |
1569 atom_header = ngx_mp4_atom_header(mp4); | |
1570 mdhd_atom = (ngx_mp4_mdhd_atom_t *) atom_header; | |
1571 mdhd64_atom = (ngx_mp4_mdhd64_atom_t *) atom_header; | |
1572 ngx_mp4_set_atom_name(mdhd_atom, 'm', 'd', 'h', 'd'); | |
1573 | |
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1574 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd_atom_t) > atom_data_size) { |
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1575 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1576 "\"%s\" mp4 mdhd atom too small", mp4->file.name.data); |
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1577 return NGX_ERROR; |
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1578 } |
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1579 |
4085 | 1580 if (mdhd_atom->version[0] == 0) { |
1581 /* version 0: everything is 32-bit */ | |
1582 timescale = ngx_mp4_get_32value(mdhd_atom->timescale); | |
1583 duration = ngx_mp4_get_32value(mdhd_atom->duration); | |
1584 | |
1585 } else { | |
1586 /* version 1: 64-bit duration and 32-bit timescale */ | |
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1587 |
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1588 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd64_atom_t) > atom_data_size) { |
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1589 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1590 "\"%s\" mp4 mdhd atom too small", |
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1591 mp4->file.name.data); |
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1592 return NGX_ERROR; |
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1593 } |
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1594 |
4085 | 1595 timescale = ngx_mp4_get_32value(mdhd64_atom->timescale); |
1596 duration = ngx_mp4_get_64value(mdhd64_atom->duration); | |
1597 } | |
1598 | |
1599 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1600 "mdhd timescale:%uD, duration:%uL, time:%.3fs", | |
1601 timescale, duration, (double) duration / timescale); | |
1602 | |
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1603 start_time = (uint64_t) mp4->start * timescale / 1000; |
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1604 |
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1605 if (duration < start_time) { |
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1606 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1607 "mdhd duration is less than start time"); |
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1608 return NGX_DECLINED; |
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1609 } |
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1610 |
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1611 duration -= start_time; |
4085 | 1612 |
1613 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1614 "mdhd new duration:%uL, time:%.3fs", | |
1615 duration, (double) duration / timescale); | |
1616 | |
1617 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1618 | |
1619 trak = ngx_mp4_last_trak(mp4); | |
1620 trak->mdhd_size = atom_size; | |
1621 trak->timescale = timescale; | |
1622 | |
1623 ngx_mp4_set_32value(mdhd_atom->size, atom_size); | |
1624 | |
1625 if (mdhd_atom->version[0] == 0) { | |
1626 ngx_mp4_set_32value(mdhd_atom->duration, duration); | |
1627 | |
1628 } else { | |
1629 ngx_mp4_set_64value(mdhd64_atom->duration, duration); | |
1630 } | |
1631 | |
1632 atom = &trak->mdhd_atom_buf; | |
1633 atom->temporary = 1; | |
1634 atom->pos = atom_header; | |
1635 atom->last = atom_header + atom_size; | |
1636 | |
1637 trak->out[NGX_HTTP_MP4_MDHD_ATOM].buf = atom; | |
1638 | |
1639 ngx_mp4_atom_next(mp4, atom_data_size); | |
1640 | |
1641 return NGX_OK; | |
1642 } | |
1643 | |
1644 | |
1645 static ngx_int_t | |
1646 ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1647 { | |
1648 u_char *atom_header; | |
1649 size_t atom_size; | |
1650 ngx_buf_t *atom; | |
1651 ngx_http_mp4_trak_t *trak; | |
1652 | |
1653 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 hdlr atom"); | |
1654 | |
1655 atom_header = ngx_mp4_atom_header(mp4); | |
1656 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1657 ngx_mp4_set_32value(atom_header, atom_size); | |
1658 ngx_mp4_set_atom_name(atom_header, 'h', 'd', 'l', 'r'); | |
1659 | |
1660 trak = ngx_mp4_last_trak(mp4); | |
1661 | |
1662 atom = &trak->hdlr_atom_buf; | |
1663 atom->temporary = 1; | |
1664 atom->pos = atom_header; | |
1665 atom->last = atom_header + atom_size; | |
1666 | |
1667 trak->hdlr_size = atom_size; | |
1668 trak->out[NGX_HTTP_MP4_HDLR_ATOM].buf = atom; | |
1669 | |
1670 ngx_mp4_atom_next(mp4, atom_data_size); | |
1671 | |
1672 return NGX_OK; | |
1673 } | |
1674 | |
1675 | |
1676 static ngx_int_t | |
1677 ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1678 { | |
1679 u_char *atom_header; | |
1680 ngx_buf_t *atom; | |
1681 ngx_http_mp4_trak_t *trak; | |
1682 | |
1683 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process minf atom"); | |
1684 | |
1685 atom_header = ngx_mp4_atom_header(mp4); | |
1686 ngx_mp4_set_atom_name(atom_header, 'm', 'i', 'n', 'f'); | |
1687 | |
1688 trak = ngx_mp4_last_trak(mp4); | |
1689 | |
1690 atom = &trak->minf_atom_buf; | |
1691 atom->temporary = 1; | |
1692 atom->pos = atom_header; | |
1693 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1694 | |
1695 trak->out[NGX_HTTP_MP4_MINF_ATOM].buf = atom; | |
1696 | |
1697 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_minf_atoms, atom_data_size); | |
1698 } | |
1699 | |
1700 | |
1701 static void | |
1702 ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
1703 ngx_http_mp4_trak_t *trak) | |
1704 { | |
1705 ngx_buf_t *atom; | |
1706 | |
1707 trak->size += sizeof(ngx_mp4_atom_header_t) | |
1708 + trak->vmhd_size | |
1709 + trak->smhd_size | |
1710 + trak->dinf_size; | |
1711 atom = &trak->minf_atom_buf; | |
1712 ngx_mp4_set_32value(atom->pos, trak->size); | |
1713 } | |
1714 | |
1715 | |
1716 static ngx_int_t | |
1717 ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1718 { | |
1719 u_char *atom_header; | |
1720 size_t atom_size; | |
1721 ngx_buf_t *atom; | |
1722 ngx_http_mp4_trak_t *trak; | |
1723 | |
1724 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 vmhd atom"); | |
1725 | |
1726 atom_header = ngx_mp4_atom_header(mp4); | |
1727 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1728 ngx_mp4_set_32value(atom_header, atom_size); | |
1729 ngx_mp4_set_atom_name(atom_header, 'v', 'm', 'h', 'd'); | |
1730 | |
1731 trak = ngx_mp4_last_trak(mp4); | |
1732 | |
1733 atom = &trak->vmhd_atom_buf; | |
1734 atom->temporary = 1; | |
1735 atom->pos = atom_header; | |
1736 atom->last = atom_header + atom_size; | |
1737 | |
1738 trak->vmhd_size += atom_size; | |
1739 trak->out[NGX_HTTP_MP4_VMHD_ATOM].buf = atom; | |
1740 | |
1741 ngx_mp4_atom_next(mp4, atom_data_size); | |
1742 | |
1743 return NGX_OK; | |
1744 } | |
1745 | |
1746 | |
1747 static ngx_int_t | |
1748 ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1749 { | |
1750 u_char *atom_header; | |
1751 size_t atom_size; | |
1752 ngx_buf_t *atom; | |
1753 ngx_http_mp4_trak_t *trak; | |
1754 | |
1755 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 smhd atom"); | |
1756 | |
1757 atom_header = ngx_mp4_atom_header(mp4); | |
1758 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1759 ngx_mp4_set_32value(atom_header, atom_size); | |
1760 ngx_mp4_set_atom_name(atom_header, 's', 'm', 'h', 'd'); | |
1761 | |
1762 trak = ngx_mp4_last_trak(mp4); | |
1763 | |
1764 atom = &trak->smhd_atom_buf; | |
1765 atom->temporary = 1; | |
1766 atom->pos = atom_header; | |
1767 atom->last = atom_header + atom_size; | |
1768 | |
1769 trak->vmhd_size += atom_size; | |
1770 trak->out[NGX_HTTP_MP4_SMHD_ATOM].buf = atom; | |
1771 | |
1772 ngx_mp4_atom_next(mp4, atom_data_size); | |
1773 | |
1774 return NGX_OK; | |
1775 } | |
1776 | |
1777 | |
1778 static ngx_int_t | |
1779 ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1780 { | |
1781 u_char *atom_header; | |
1782 size_t atom_size; | |
1783 ngx_buf_t *atom; | |
1784 ngx_http_mp4_trak_t *trak; | |
1785 | |
1786 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 dinf atom"); | |
1787 | |
1788 atom_header = ngx_mp4_atom_header(mp4); | |
1789 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1790 ngx_mp4_set_32value(atom_header, atom_size); | |
1791 ngx_mp4_set_atom_name(atom_header, 'd', 'i', 'n', 'f'); | |
1792 | |
1793 trak = ngx_mp4_last_trak(mp4); | |
1794 | |
1795 atom = &trak->dinf_atom_buf; | |
1796 atom->temporary = 1; | |
1797 atom->pos = atom_header; | |
1798 atom->last = atom_header + atom_size; | |
1799 | |
1800 trak->dinf_size += atom_size; | |
1801 trak->out[NGX_HTTP_MP4_DINF_ATOM].buf = atom; | |
1802 | |
1803 ngx_mp4_atom_next(mp4, atom_data_size); | |
1804 | |
1805 return NGX_OK; | |
1806 } | |
1807 | |
1808 | |
1809 static ngx_int_t | |
1810 ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1811 { | |
1812 u_char *atom_header; | |
1813 ngx_buf_t *atom; | |
1814 ngx_http_mp4_trak_t *trak; | |
1815 | |
1816 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process stbl atom"); | |
1817 | |
1818 atom_header = ngx_mp4_atom_header(mp4); | |
1819 ngx_mp4_set_atom_name(atom_header, 's', 't', 'b', 'l'); | |
1820 | |
1821 trak = ngx_mp4_last_trak(mp4); | |
1822 | |
1823 atom = &trak->stbl_atom_buf; | |
1824 atom->temporary = 1; | |
1825 atom->pos = atom_header; | |
1826 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1827 | |
1828 trak->out[NGX_HTTP_MP4_STBL_ATOM].buf = atom; | |
1829 | |
1830 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_stbl_atoms, atom_data_size); | |
1831 } | |
1832 | |
1833 | |
1834 static void | |
1835 ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
1836 ngx_http_mp4_trak_t *trak) | |
1837 { | |
1838 ngx_buf_t *atom; | |
1839 | |
1840 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1841 atom = &trak->stbl_atom_buf; | |
1842 ngx_mp4_set_32value(atom->pos, trak->size); | |
1843 } | |
1844 | |
1845 | |
1846 typedef struct { | |
1847 u_char size[4]; | |
1848 u_char name[4]; | |
1849 u_char version[1]; | |
1850 u_char flags[3]; | |
1851 u_char entries[4]; | |
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1852 |
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1853 u_char media_size[4]; |
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1854 u_char media_name[4]; |
4085 | 1855 } ngx_mp4_stsd_atom_t; |
1856 | |
1857 | |
1858 static ngx_int_t | |
1859 ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1860 { | |
1861 u_char *atom_header, *atom_table; | |
1862 size_t atom_size; | |
1863 ngx_buf_t *atom; | |
1864 ngx_mp4_stsd_atom_t *stsd_atom; | |
1865 ngx_http_mp4_trak_t *trak; | |
1866 | |
1867 /* sample description atom */ | |
1868 | |
1869 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsd atom"); | |
1870 | |
1871 atom_header = ngx_mp4_atom_header(mp4); | |
1872 stsd_atom = (ngx_mp4_stsd_atom_t *) atom_header; | |
1873 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1874 atom_table = atom_header + atom_size; | |
1875 ngx_mp4_set_32value(stsd_atom->size, atom_size); | |
1876 ngx_mp4_set_atom_name(stsd_atom, 's', 't', 's', 'd'); | |
1877 | |
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1878 if (ngx_mp4_atom_data_size(ngx_mp4_stsd_atom_t) > atom_data_size) { |
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1879 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1880 "\"%s\" mp4 stsd atom too small", mp4->file.name.data); |
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1881 return NGX_ERROR; |
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1882 } |
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1883 |
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1884 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1885 "stsd entries:%uD, media:%*s", |
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1886 ngx_mp4_get_32value(stsd_atom->entries), |
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1887 4, stsd_atom->media_name); |
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1888 |
4085 | 1889 trak = ngx_mp4_last_trak(mp4); |
1890 | |
1891 atom = &trak->stsd_atom_buf; | |
1892 atom->temporary = 1; | |
1893 atom->pos = atom_header; | |
1894 atom->last = atom_table; | |
1895 | |
1896 trak->out[NGX_HTTP_MP4_STSD_ATOM].buf = atom; | |
1897 trak->size += atom_size; | |
1898 | |
1899 ngx_mp4_atom_next(mp4, atom_data_size); | |
1900 | |
1901 return NGX_OK; | |
1902 } | |
1903 | |
1904 | |
1905 typedef struct { | |
1906 u_char size[4]; | |
1907 u_char name[4]; | |
1908 u_char version[1]; | |
1909 u_char flags[3]; | |
1910 u_char entries[4]; | |
1911 } ngx_mp4_stts_atom_t; | |
1912 | |
1913 typedef struct { | |
1914 u_char count[4]; | |
1915 u_char duration[4]; | |
1916 } ngx_mp4_stts_entry_t; | |
1917 | |
1918 | |
1919 static ngx_int_t | |
1920 ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1921 { | |
1922 u_char *atom_header, *atom_table, *atom_end; | |
1923 uint32_t entries; | |
1924 ngx_buf_t *atom, *data; | |
1925 ngx_mp4_stts_atom_t *stts_atom; | |
1926 ngx_http_mp4_trak_t *trak; | |
1927 | |
1928 /* time-to-sample atom */ | |
1929 | |
1930 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stts atom"); | |
1931 | |
1932 atom_header = ngx_mp4_atom_header(mp4); | |
1933 stts_atom = (ngx_mp4_stts_atom_t *) atom_header; | |
1934 ngx_mp4_set_atom_name(stts_atom, 's', 't', 't', 's'); | |
1935 | |
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1936 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) > atom_data_size) { |
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1937 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1938 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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1939 return NGX_ERROR; |
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1940 } |
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1941 |
4085 | 1942 entries = ngx_mp4_get_32value(stts_atom->entries); |
1943 | |
1944 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 1945 "mp4 time-to-sample entries:%uD", entries); |
4085 | 1946 |
4585
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1947 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) |
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1948 + entries * sizeof(ngx_mp4_stts_entry_t) > atom_data_size) |
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1949 { |
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1950 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1951 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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1952 return NGX_ERROR; |
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1953 } |
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1954 |
4085 | 1955 atom_table = atom_header + sizeof(ngx_mp4_stts_atom_t); |
1956 atom_end = atom_table + entries * sizeof(ngx_mp4_stts_entry_t); | |
1957 | |
1958 trak = ngx_mp4_last_trak(mp4); | |
1959 trak->time_to_sample_entries = entries; | |
1960 | |
1961 atom = &trak->stts_atom_buf; | |
1962 atom->temporary = 1; | |
1963 atom->pos = atom_header; | |
1964 atom->last = atom_table; | |
1965 | |
1966 data = &trak->stts_data_buf; | |
1967 data->temporary = 1; | |
1968 data->pos = atom_table; | |
1969 data->last = atom_end; | |
1970 | |
1971 trak->out[NGX_HTTP_MP4_STTS_ATOM].buf = atom; | |
1972 trak->out[NGX_HTTP_MP4_STTS_DATA].buf = data; | |
1973 | |
1974 ngx_mp4_atom_next(mp4, atom_data_size); | |
1975 | |
1976 return NGX_OK; | |
1977 } | |
1978 | |
1979 | |
1980 static ngx_int_t | |
1981 ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
1982 ngx_http_mp4_trak_t *trak) | |
1983 { | |
1984 size_t atom_size; | |
1985 uint32_t entries, count, duration; | |
1986 uint64_t start_time; | |
1987 ngx_buf_t *atom, *data; | |
1988 ngx_uint_t start_sample; | |
1989 ngx_mp4_stts_atom_t *stts_atom; | |
1990 ngx_mp4_stts_entry_t *entry, *end; | |
1991 | |
1992 /* | |
1993 * mdia.minf.stbl.stts updating requires trak->timescale | |
1994 * from mdia.mdhd atom which may reside after mdia.minf | |
1995 */ | |
1996 | |
1997 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1998 "mp4 stts atom update"); | |
1999 | |
2000 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; | |
2001 | |
2002 if (data == NULL) { | |
2003 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2004 "no mp4 stts atoms were found in \"%s\"", | |
2005 mp4->file.name.data); | |
2006 return NGX_ERROR; | |
2007 } | |
2008 | |
2009 entries = trak->time_to_sample_entries; | |
4189
a12c558503f0
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Igor Sysoev <igor@sysoev.ru>
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4156
diff
changeset
|
2010 start_time = (uint64_t) mp4->start * trak->timescale / 1000; |
4085 | 2011 |
2012 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2013 "time-to-sample start_time:%uL", start_time); |
4085 | 2014 |
2015 start_sample = 0; | |
2016 entry = (ngx_mp4_stts_entry_t *) data->pos; | |
2017 end = (ngx_mp4_stts_entry_t *) data->last; | |
2018 | |
2019 while (entry < end) { | |
2020 count = ngx_mp4_get_32value(entry->count); | |
2021 duration = ngx_mp4_get_32value(entry->duration); | |
2022 | |
2023 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2024 "count:%uD, duration:%uD", count, duration); | |
2025 | |
4306 | 2026 if (start_time < (uint64_t) count * duration) { |
4085 | 2027 start_sample += (ngx_uint_t) (start_time / duration); |
4578 | 2028 count -= (uint32_t) (start_time / duration); |
4085 | 2029 ngx_mp4_set_32value(entry->count, count); |
2030 goto found; | |
2031 } | |
2032 | |
2033 start_sample += count; | |
2034 start_time -= count * duration; | |
2035 entries--; | |
2036 entry++; | |
2037 } | |
2038 | |
2039 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
4094 | 2040 "start time is out mp4 stts samples in \"%s\"", |
4085 | 2041 mp4->file.name.data); |
2042 | |
2043 return NGX_ERROR; | |
2044 | |
2045 found: | |
2046 | |
2047 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2048 "start_sample:%ui, new count:%uD", start_sample, count); | |
2049 | |
2050 trak->start_sample = start_sample; | |
2051 | |
2052 data->pos = (u_char *) entry; | |
2053 atom_size = sizeof(ngx_mp4_stts_atom_t) + (data->last - data->pos); | |
2054 trak->size += atom_size; | |
2055 | |
2056 atom = trak->out[NGX_HTTP_MP4_STTS_ATOM].buf; | |
2057 stts_atom = (ngx_mp4_stts_atom_t *) atom->pos; | |
2058 ngx_mp4_set_32value(stts_atom->size, atom_size); | |
2059 ngx_mp4_set_32value(stts_atom->entries, entries); | |
2060 | |
2061 return NGX_OK; | |
2062 } | |
2063 | |
2064 | |
2065 typedef struct { | |
2066 u_char size[4]; | |
2067 u_char name[4]; | |
2068 u_char version[1]; | |
2069 u_char flags[3]; | |
2070 u_char entries[4]; | |
2071 } ngx_http_mp4_stss_atom_t; | |
2072 | |
2073 | |
2074 static ngx_int_t | |
2075 ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2076 { | |
2077 u_char *atom_header, *atom_table, *atom_end; | |
2078 uint32_t entries; | |
2079 ngx_buf_t *atom, *data; | |
2080 ngx_http_mp4_trak_t *trak; | |
2081 ngx_http_mp4_stss_atom_t *stss_atom; | |
2082 | |
2083 /* sync samples atom */ | |
2084 | |
2085 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stss atom"); | |
2086 | |
2087 atom_header = ngx_mp4_atom_header(mp4); | |
2088 stss_atom = (ngx_http_mp4_stss_atom_t *) atom_header; | |
2089 ngx_mp4_set_atom_name(stss_atom, 's', 't', 's', 's'); | |
2090 | |
4585
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|
2091 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) > atom_data_size) { |
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|
2092 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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parents:
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|
2093 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
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diff
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|
2094 return NGX_ERROR; |
3f874d645f45
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parents:
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diff
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|
2095 } |
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|
2096 |
4085 | 2097 entries = ngx_mp4_get_32value(stss_atom->entries); |
2098 | |
2099 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2100 "sync sample entries:%uD", entries); |
4085 | 2101 |
2102 trak = ngx_mp4_last_trak(mp4); | |
2103 trak->sync_samples_entries = entries; | |
2104 | |
2105 atom_table = atom_header + sizeof(ngx_http_mp4_stss_atom_t); | |
2106 | |
2107 atom = &trak->stss_atom_buf; | |
2108 atom->temporary = 1; | |
2109 atom->pos = atom_header; | |
2110 atom->last = atom_table; | |
2111 | |
4585
3f874d645f45
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parents:
4579
diff
changeset
|
2112 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) |
3f874d645f45
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parents:
4579
diff
changeset
|
2113 + entries * sizeof(uint32_t) > atom_data_size) |
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parents:
4579
diff
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|
2114 { |
4085 | 2115 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
4585
3f874d645f45
Mp4: sanity checks cleanup.
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diff
changeset
|
2116 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
4085 | 2117 return NGX_ERROR; |
2118 } | |
2119 | |
4585
3f874d645f45
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4579
diff
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|
2120 atom_end = atom_table + entries * sizeof(uint32_t); |
3f874d645f45
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|
2121 |
4085 | 2122 data = &trak->stss_data_buf; |
2123 data->temporary = 1; | |
2124 data->pos = atom_table; | |
2125 data->last = atom_end; | |
2126 | |
2127 trak->out[NGX_HTTP_MP4_STSS_ATOM].buf = atom; | |
2128 trak->out[NGX_HTTP_MP4_STSS_DATA].buf = data; | |
2129 | |
2130 ngx_mp4_atom_next(mp4, atom_data_size); | |
2131 | |
2132 return NGX_OK; | |
2133 } | |
2134 | |
2135 | |
2136 static ngx_int_t | |
2137 ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
2138 ngx_http_mp4_trak_t *trak) | |
2139 { | |
2140 size_t atom_size; | |
2141 uint32_t entries, sample, start_sample, *entry, *end; | |
2142 ngx_buf_t *atom, *data; | |
2143 ngx_http_mp4_stss_atom_t *stss_atom; | |
2144 | |
2145 /* | |
2146 * mdia.minf.stbl.stss updating requires trak->start_sample | |
2147 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2148 * atom which may reside after mdia.minf | |
2149 */ | |
2150 | |
2151 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2152 "mp4 stss atom update"); | |
2153 | |
2154 data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; | |
2155 | |
2156 if (data == NULL) { | |
2157 return NGX_OK; | |
2158 } | |
2159 | |
2160 /* sync samples starts from 1 */ | |
2161 start_sample = trak->start_sample + 1; | |
2162 entries = trak->sync_samples_entries; | |
2163 | |
2164 entry = (uint32_t *) data->pos; | |
2165 end = (uint32_t *) data->last; | |
2166 | |
2167 while (entry < end) { | |
2168 sample = ngx_mp4_get_32value(entry); | |
2169 | |
2170 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2171 "start:%uD, sync:%uD", start_sample, sample); | |
2172 | |
2173 if (sample >= start_sample) { | |
2174 goto found; | |
2175 } | |
2176 | |
2177 entries--; | |
2178 entry++; | |
2179 } | |
2180 | |
5542
847c308917af
Mp4: fix seeks after the last key frame.
Roman Arutyunyan <arut@nginx.com>
parents:
5496
diff
changeset
|
2181 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
847c308917af
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parents:
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diff
changeset
|
2182 "start sample is out of mp4 stss atom"); |
4085 | 2183 |
2184 found: | |
2185 | |
2186 data->pos = (u_char *) entry; | |
2187 | |
2188 start_sample = trak->start_sample; | |
2189 | |
2190 while (entry < end) { | |
2191 sample = ngx_mp4_get_32value(entry); | |
2192 sample -= start_sample; | |
2193 ngx_mp4_set_32value(entry, sample); | |
2194 entry++; | |
2195 } | |
2196 | |
2197 atom_size = sizeof(ngx_http_mp4_stss_atom_t) + (data->last - data->pos); | |
2198 trak->size += atom_size; | |
2199 | |
2200 atom = trak->out[NGX_HTTP_MP4_STSS_ATOM].buf; | |
2201 stss_atom = (ngx_http_mp4_stss_atom_t *) atom->pos; | |
2202 | |
2203 ngx_mp4_set_32value(stss_atom->size, atom_size); | |
2204 ngx_mp4_set_32value(stss_atom->entries, entries); | |
2205 | |
2206 return NGX_OK; | |
2207 } | |
2208 | |
2209 | |
2210 typedef struct { | |
2211 u_char size[4]; | |
2212 u_char name[4]; | |
2213 u_char version[1]; | |
2214 u_char flags[3]; | |
2215 u_char entries[4]; | |
2216 } ngx_mp4_ctts_atom_t; | |
2217 | |
2218 typedef struct { | |
2219 u_char count[4]; | |
2220 u_char offset[4]; | |
2221 } ngx_mp4_ctts_entry_t; | |
2222 | |
2223 | |
2224 static ngx_int_t | |
2225 ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2226 { | |
2227 u_char *atom_header, *atom_table, *atom_end; | |
2228 uint32_t entries; | |
2229 ngx_buf_t *atom, *data; | |
2230 ngx_mp4_ctts_atom_t *ctts_atom; | |
2231 ngx_http_mp4_trak_t *trak; | |
2232 | |
2233 /* composition offsets atom */ | |
2234 | |
2235 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ctts atom"); | |
2236 | |
2237 atom_header = ngx_mp4_atom_header(mp4); | |
2238 ctts_atom = (ngx_mp4_ctts_atom_t *) atom_header; | |
2239 ngx_mp4_set_atom_name(ctts_atom, 'c', 't', 't', 's'); | |
2240 | |
4585
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|
2241 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) > atom_data_size) { |
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|
2242 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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changeset
|
2243 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
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|
2244 return NGX_ERROR; |
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|
2245 } |
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|
2246 |
4085 | 2247 entries = ngx_mp4_get_32value(ctts_atom->entries); |
2248 | |
2249 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2250 "composition offset entries:%uD", entries); |
4085 | 2251 |
2252 trak = ngx_mp4_last_trak(mp4); | |
2253 trak->composition_offset_entries = entries; | |
2254 | |
2255 atom_table = atom_header + sizeof(ngx_mp4_ctts_atom_t); | |
2256 | |
2257 atom = &trak->ctts_atom_buf; | |
2258 atom->temporary = 1; | |
2259 atom->pos = atom_header; | |
2260 atom->last = atom_table; | |
2261 | |
4585
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4579
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|
2262 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) |
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|
2263 + entries * sizeof(ngx_mp4_ctts_entry_t) > atom_data_size) |
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4579
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changeset
|
2264 { |
4085 | 2265 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
4585
3f874d645f45
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4579
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changeset
|
2266 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
4085 | 2267 return NGX_ERROR; |
2268 } | |
2269 | |
4585
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4579
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changeset
|
2270 atom_end = atom_table + entries * sizeof(ngx_mp4_ctts_entry_t); |
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|
2271 |
4085 | 2272 data = &trak->ctts_data_buf; |
2273 data->temporary = 1; | |
2274 data->pos = atom_table; | |
2275 data->last = atom_end; | |
2276 | |
2277 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = atom; | |
2278 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = data; | |
2279 | |
2280 ngx_mp4_atom_next(mp4, atom_data_size); | |
2281 | |
2282 return NGX_OK; | |
2283 } | |
2284 | |
2285 | |
2286 static void | |
2287 ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
2288 ngx_http_mp4_trak_t *trak) | |
2289 { | |
2290 size_t atom_size; | |
2291 uint32_t entries, count, start_sample; | |
2292 ngx_buf_t *atom, *data; | |
2293 ngx_mp4_ctts_atom_t *ctts_atom; | |
2294 ngx_mp4_ctts_entry_t *entry, *end; | |
2295 | |
2296 /* | |
2297 * mdia.minf.stbl.ctts updating requires trak->start_sample | |
2298 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2299 * atom which may reside after mdia.minf | |
2300 */ | |
2301 | |
2302 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2303 "mp4 ctts atom update"); | |
2304 | |
2305 data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf; | |
2306 | |
2307 if (data == NULL) { | |
2308 return; | |
2309 } | |
2310 | |
2311 /* sync samples starts from 1 */ | |
2312 start_sample = trak->start_sample + 1; | |
2313 entries = trak->composition_offset_entries; | |
2314 entry = (ngx_mp4_ctts_entry_t *) data->pos; | |
2315 end = (ngx_mp4_ctts_entry_t *) data->last; | |
2316 | |
2317 while (entry < end) { | |
2318 count = ngx_mp4_get_32value(entry->count); | |
2319 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
2320 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 2321 "start:%uD, count:%uD, offset:%uD", |
2322 start_sample, count, ngx_mp4_get_32value(entry->offset)); | |
2323 | |
2324 if (start_sample <= count) { | |
2325 count -= (start_sample - 1); | |
2326 ngx_mp4_set_32value(entry->count, count); | |
2327 goto found; | |
2328 } | |
2329 | |
2330 start_sample -= count; | |
2331 entries--; | |
2332 entry++; | |
2333 } | |
2334 | |
2335 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = NULL; | |
2336 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = NULL; | |
2337 | |
2338 return; | |
2339 | |
2340 found: | |
2341 | |
2342 data->pos = (u_char *) entry; | |
2343 atom_size = sizeof(ngx_mp4_ctts_atom_t) + (data->last - data->pos); | |
2344 trak->size += atom_size; | |
2345 | |
2346 atom = trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf; | |
2347 ctts_atom = (ngx_mp4_ctts_atom_t *) atom->pos; | |
2348 | |
2349 ngx_mp4_set_32value(ctts_atom->size, atom_size); | |
2350 ngx_mp4_set_32value(ctts_atom->entries, entries); | |
2351 | |
2352 return; | |
2353 } | |
2354 | |
2355 | |
2356 typedef struct { | |
2357 u_char size[4]; | |
2358 u_char name[4]; | |
2359 u_char version[1]; | |
2360 u_char flags[3]; | |
2361 u_char entries[4]; | |
2362 } ngx_mp4_stsc_atom_t; | |
2363 | |
2364 | |
2365 static ngx_int_t | |
2366 ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2367 { | |
2368 u_char *atom_header, *atom_table, *atom_end; | |
2369 uint32_t entries; | |
2370 ngx_buf_t *atom, *data; | |
2371 ngx_mp4_stsc_atom_t *stsc_atom; | |
2372 ngx_http_mp4_trak_t *trak; | |
2373 | |
2374 /* sample-to-chunk atom */ | |
2375 | |
2376 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsc atom"); | |
2377 | |
2378 atom_header = ngx_mp4_atom_header(mp4); | |
2379 stsc_atom = (ngx_mp4_stsc_atom_t *) atom_header; | |
2380 ngx_mp4_set_atom_name(stsc_atom, 's', 't', 's', 'c'); | |
2381 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2382 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
|
2383 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2384 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2385 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2386 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2387 |
4085 | 2388 entries = ngx_mp4_get_32value(stsc_atom->entries); |
2389 | |
2390 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2391 "sample-to-chunk entries:%uD", entries); |
4085 | 2392 |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2393 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
|
2394 + entries * sizeof(ngx_mp4_stsc_entry_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2395 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2396 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2397 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2398 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2399 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2400 |
4085 | 2401 atom_table = atom_header + sizeof(ngx_mp4_stsc_atom_t); |
2402 atom_end = atom_table + entries * sizeof(ngx_mp4_stsc_entry_t); | |
2403 | |
2404 trak = ngx_mp4_last_trak(mp4); | |
2405 trak->sample_to_chunk_entries = entries; | |
2406 | |
2407 atom = &trak->stsc_atom_buf; | |
2408 atom->temporary = 1; | |
2409 atom->pos = atom_header; | |
2410 atom->last = atom_table; | |
2411 | |
2412 data = &trak->stsc_data_buf; | |
2413 data->temporary = 1; | |
2414 data->pos = atom_table; | |
2415 data->last = atom_end; | |
2416 | |
2417 trak->out[NGX_HTTP_MP4_STSC_ATOM].buf = atom; | |
2418 trak->out[NGX_HTTP_MP4_STSC_DATA].buf = data; | |
2419 | |
2420 ngx_mp4_atom_next(mp4, atom_data_size); | |
2421 | |
2422 return NGX_OK; | |
2423 } | |
2424 | |
2425 | |
2426 static ngx_int_t | |
2427 ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
2428 ngx_http_mp4_trak_t *trak) | |
2429 { | |
2430 size_t atom_size; | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2431 uint32_t start_sample, entries, 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
|
2432 next_chunk, n; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2433 ngx_buf_t *atom, *data, *buf; |
4085 | 2434 ngx_mp4_stsc_atom_t *stsc_atom; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2435 ngx_mp4_stsc_entry_t *entry, *first, *end; |
4085 | 2436 |
2437 /* | |
2438 * mdia.minf.stbl.stsc updating requires trak->start_sample | |
2439 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2440 * atom which may reside after mdia.minf | |
2441 */ | |
2442 | |
2443 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2444 "mp4 stsc atom update"); | |
2445 | |
2446 data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf; | |
2447 | |
2448 if (data == NULL) { | |
2449 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2450 "no mp4 stsc atoms were found in \"%s\"", | |
2451 mp4->file.name.data); | |
2452 return NGX_ERROR; | |
2453 } | |
2454 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2455 if (trak->sample_to_chunk_entries == 0) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2456 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2457 "zero number of entries in stsc atom in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2458 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2459 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2460 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2461 |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2462 start_sample = (uint32_t) trak->start_sample; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2463 entries = trak->sample_to_chunk_entries - 1; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2464 |
4085 | 2465 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
2466 end = (ngx_mp4_stsc_entry_t *) data->last; | |
2467 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2468 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
|
2469 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
|
2470 id = ngx_mp4_get_32value(entry->id); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2471 entry++; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2472 |
4085 | 2473 while (entry < end) { |
2474 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2475 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
|
2476 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2477 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, 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
|
2478 "start_sample:%uD, chunk:%uD, chunks:%uD, " |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2479 "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
|
2480 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
|
2481 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2482 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
|
2483 |
5578
e280ece17020
Mp4: remove useless leading stsc entry in result mp4.
Roman Arutyunyan <arut@nginx.com>
parents:
5544
diff
changeset
|
2484 if (start_sample < n) { |
4085 | 2485 goto found; |
2486 } | |
2487 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2488 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
|
2489 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2490 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
|
2491 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
|
2492 id = ngx_mp4_get_32value(entry->id); |
4085 | 2493 entries--; |
2494 entry++; | |
2495 } | |
2496 | |
5544
2f586f1684fa
Mp4: fix seeks to standalone last chunk.
Roman Arutyunyan <arut@nginx.com>
parents:
5543
diff
changeset
|
2497 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
|
2498 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2499 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, 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
|
2500 "start_sample:%uD, chunk:%uD, chunks:%uD, samples:%uD", |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2501 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
|
2502 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2503 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
|
2504 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2505 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
|
2506 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
|
2507 "start time is out mp4 stsc chunks in \"%s\"", |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2508 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
|
2509 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
|
2510 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2511 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2512 found: |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2513 |
4085 | 2514 entries++; |
2515 entry--; | |
2516 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2517 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
|
2518 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
|
2519 "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
|
2520 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
|
2521 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
|
2522 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2523 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2524 trak->start_chunk = chunk - 1; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2525 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2526 trak->start_chunk += start_sample / samples; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2527 trak->chunk_samples = start_sample % samples; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2528 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2529 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, 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
|
2530 "start chunk:%ui, samples:%uD", |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2531 trak->start_chunk, trak->chunk_samples); |
4085 | 2532 |
2533 data->pos = (u_char *) entry; | |
2534 atom_size = sizeof(ngx_mp4_stsc_atom_t) + (data->last - data->pos); | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2535 |
4382
b4d54fa76853
Fixed mp4 if first entry in stsc was skipped (ticket #72).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4306
diff
changeset
|
2536 ngx_mp4_set_32value(entry->chunk, 1); |
b4d54fa76853
Fixed mp4 if first entry in stsc was skipped (ticket #72).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4306
diff
changeset
|
2537 |
4687
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2538 if (trak->chunk_samples && next_chunk - trak->start_chunk == 2) { |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2539 |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2540 /* last chunk in the entry */ |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2541 |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2542 ngx_mp4_set_32value(entry->samples, samples - trak->chunk_samples); |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2543 |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2544 } else if (trak->chunk_samples) { |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2545 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2546 first = &trak->stsc_chunk_entry; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2547 ngx_mp4_set_32value(first->chunk, 1); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2548 ngx_mp4_set_32value(first->samples, samples - trak->chunk_samples); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2549 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
|
2550 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2551 buf = &trak->stsc_chunk_buf; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2552 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
|
2553 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
|
2554 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
|
2555 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2556 trak->out[NGX_HTTP_MP4_STSC_CHUNK].buf = buf; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2557 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2558 ngx_mp4_set_32value(entry->chunk, 2); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2559 |
4687
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2560 entries++; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2561 atom_size += 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
|
2562 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2563 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2564 while (++entry < end) { |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2565 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
|
2566 chunk -= trak->start_chunk; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2567 ngx_mp4_set_32value(entry->chunk, chunk); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2568 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2569 |
4085 | 2570 trak->size += atom_size; |
2571 | |
2572 atom = trak->out[NGX_HTTP_MP4_STSC_ATOM].buf; | |
2573 stsc_atom = (ngx_mp4_stsc_atom_t *) atom->pos; | |
2574 | |
2575 ngx_mp4_set_32value(stsc_atom->size, atom_size); | |
2576 ngx_mp4_set_32value(stsc_atom->entries, entries); | |
2577 | |
2578 return NGX_OK; | |
2579 } | |
2580 | |
2581 | |
2582 typedef struct { | |
2583 u_char size[4]; | |
2584 u_char name[4]; | |
2585 u_char version[1]; | |
2586 u_char flags[3]; | |
2587 u_char uniform_size[4]; | |
2588 u_char entries[4]; | |
2589 } ngx_mp4_stsz_atom_t; | |
2590 | |
2591 | |
2592 static ngx_int_t | |
2593 ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2594 { | |
2595 u_char *atom_header, *atom_table, *atom_end; | |
2596 size_t atom_size; | |
2597 uint32_t entries, size; | |
2598 ngx_buf_t *atom, *data; | |
2599 ngx_mp4_stsz_atom_t *stsz_atom; | |
2600 ngx_http_mp4_trak_t *trak; | |
2601 | |
2602 /* sample sizes atom */ | |
2603 | |
2604 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsz atom"); | |
2605 | |
2606 atom_header = ngx_mp4_atom_header(mp4); | |
2607 stsz_atom = (ngx_mp4_stsz_atom_t *) atom_header; | |
2608 ngx_mp4_set_atom_name(stsz_atom, 's', 't', 's', 'z'); | |
2609 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2610 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
|
2611 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2612 "\"%s\" mp4 stsz atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2613 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2614 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2615 |
4085 | 2616 size = ngx_mp4_get_32value(stsz_atom->uniform_size); |
2617 entries = ngx_mp4_get_32value(stsz_atom->entries); | |
2618 | |
2619 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2620 "sample uniform size:%uD, entries:%uD", size, entries); | |
2621 | |
2622 trak = ngx_mp4_last_trak(mp4); | |
2623 trak->sample_sizes_entries = entries; | |
2624 | |
2625 atom_table = atom_header + sizeof(ngx_mp4_stsz_atom_t); | |
2626 | |
2627 atom = &trak->stsz_atom_buf; | |
2628 atom->temporary = 1; | |
2629 atom->pos = atom_header; | |
2630 atom->last = atom_table; | |
2631 | |
2632 trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf = atom; | |
2633 | |
2634 if (size == 0) { | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2635 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
|
2636 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2637 { |
4085 | 2638 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
|
2639 "\"%s\" mp4 stsz atom too small", |
4085 | 2640 mp4->file.name.data); |
2641 return NGX_ERROR; | |
2642 } | |
2643 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2644 atom_end = atom_table + entries * sizeof(uint32_t); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2645 |
4085 | 2646 data = &trak->stsz_data_buf; |
2647 data->temporary = 1; | |
2648 data->pos = atom_table; | |
2649 data->last = atom_end; | |
2650 | |
2651 trak->out[NGX_HTTP_MP4_STSZ_DATA].buf = data; | |
2652 | |
2653 } else { | |
2654 /* 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
|
2655 /* TODO : chunk samples */ |
4085 | 2656 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; |
2657 ngx_mp4_set_32value(atom_header, atom_size); | |
2658 trak->size += atom_size; | |
2659 } | |
2660 | |
2661 ngx_mp4_atom_next(mp4, atom_data_size); | |
2662 | |
2663 return NGX_OK; | |
2664 } | |
2665 | |
2666 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2667 static ngx_int_t |
4085 | 2668 ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
2669 ngx_http_mp4_trak_t *trak) | |
2670 { | |
2671 size_t atom_size; | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2672 uint32_t *pos, *end; |
4085 | 2673 ngx_buf_t *atom, *data; |
2674 ngx_mp4_stsz_atom_t *stsz_atom; | |
2675 | |
2676 /* | |
2677 * mdia.minf.stbl.stsz updating requires trak->start_sample | |
2678 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2679 * atom which may reside after mdia.minf | |
2680 */ | |
2681 | |
2682 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2683 "mp4 stsz atom update"); | |
2684 | |
2685 data = trak->out[NGX_HTTP_MP4_STSZ_DATA].buf; | |
2686 | |
2687 if (data) { | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2688 if (trak->start_sample > trak->sample_sizes_entries) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2689 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2690 "start time is out mp4 stsz samples in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2691 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2692 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
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|
2693 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2694 |
4085 | 2695 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
|
2696 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
|
2697 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2698 for (pos = end - trak->chunk_samples; pos < end; pos++) { |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2699 trak->chunk_samples_size += ngx_mp4_get_32value(pos); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2700 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2701 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2702 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4112 | 2703 "chunk samples sizes:%uL", trak->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
|
2704 |
4085 | 2705 atom_size = sizeof(ngx_mp4_stsz_atom_t) + (data->last - data->pos); |
2706 trak->size += atom_size; | |
2707 | |
2708 atom = trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf; | |
2709 stsz_atom = (ngx_mp4_stsz_atom_t *) atom->pos; | |
2710 | |
2711 ngx_mp4_set_32value(stsz_atom->size, atom_size); | |
2712 ngx_mp4_set_32value(stsz_atom->entries, | |
2713 trak->sample_sizes_entries - trak->start_sample); | |
2714 } | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
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4579
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|
2715 |
3f874d645f45
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changeset
|
2716 return NGX_OK; |
4085 | 2717 } |
2718 | |
2719 | |
2720 typedef struct { | |
2721 u_char size[4]; | |
2722 u_char name[4]; | |
2723 u_char version[1]; | |
2724 u_char flags[3]; | |
2725 u_char entries[4]; | |
2726 } ngx_mp4_stco_atom_t; | |
2727 | |
2728 | |
2729 static ngx_int_t | |
2730 ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2731 { | |
2732 u_char *atom_header, *atom_table, *atom_end; | |
2733 uint32_t entries; | |
2734 ngx_buf_t *atom, *data; | |
2735 ngx_mp4_stco_atom_t *stco_atom; | |
2736 ngx_http_mp4_trak_t *trak; | |
2737 | |
2738 /* chunk offsets atom */ | |
2739 | |
2740 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stco atom"); | |
2741 | |
2742 atom_header = ngx_mp4_atom_header(mp4); | |
2743 stco_atom = (ngx_mp4_stco_atom_t *) atom_header; | |
2744 ngx_mp4_set_atom_name(stco_atom, 's', 't', 'c', 'o'); | |
2745 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
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4579
diff
changeset
|
2746 if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
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4579
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changeset
|
2747 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
2748 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2749 return NGX_ERROR; |
3f874d645f45
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Maxim Dounin <mdounin@mdounin.ru>
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4579
diff
changeset
|
2750 } |
3f874d645f45
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diff
changeset
|
2751 |
4085 | 2752 entries = ngx_mp4_get_32value(stco_atom->entries); |
2753 | |
2754 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
2755 | |
4585
3f874d645f45
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parents:
4579
diff
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|
2756 if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
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|
2757 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
2758 { |
3f874d645f45
Mp4: sanity checks cleanup.
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4579
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|
2759 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
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parents:
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diff
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|
2760 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
3f874d645f45
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parents:
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diff
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|
2761 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
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|
2762 } |
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|
2763 |
4085 | 2764 atom_table = atom_header + sizeof(ngx_mp4_stco_atom_t); |
2765 atom_end = atom_table + entries * sizeof(uint32_t); | |
2766 | |
2767 trak = ngx_mp4_last_trak(mp4); | |
2768 trak->chunks = entries; | |
2769 | |
4107 | 2770 atom = &trak->stco_atom_buf; |
4085 | 2771 atom->temporary = 1; |
2772 atom->pos = atom_header; | |
2773 atom->last = atom_table; | |
2774 | |
4107 | 2775 data = &trak->stco_data_buf; |
4085 | 2776 data->temporary = 1; |
2777 data->pos = atom_table; | |
2778 data->last = atom_end; | |
2779 | |
2780 trak->out[NGX_HTTP_MP4_STCO_ATOM].buf = atom; | |
2781 trak->out[NGX_HTTP_MP4_STCO_DATA].buf = data; | |
2782 | |
2783 ngx_mp4_atom_next(mp4, atom_data_size); | |
2784 | |
2785 return NGX_OK; | |
2786 } | |
2787 | |
2788 | |
2789 static ngx_int_t | |
2790 ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
2791 ngx_http_mp4_trak_t *trak) | |
2792 { | |
2793 size_t atom_size; | |
2794 ngx_buf_t *atom, *data; | |
2795 ngx_mp4_stco_atom_t *stco_atom; | |
2796 | |
2797 /* | |
2798 * mdia.minf.stbl.stco updating requires trak->start_chunk | |
2799 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
2800 * atom which may reside after mdia.minf | |
2801 */ | |
2802 | |
2803 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2804 "mp4 stco atom update"); | |
2805 | |
2806 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
2807 | |
2808 if (data == NULL) { | |
2809 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2810 "no mp4 stco atoms were found in \"%s\"", | |
2811 mp4->file.name.data); | |
2812 return NGX_ERROR; | |
2813 } | |
2814 | |
4585
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|
2815 if (trak->start_chunk > trak->chunks) { |
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|
2816 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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|
2817 "start time is out mp4 stco chunks in \"%s\"", |
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|
2818 mp4->file.name.data); |
3f874d645f45
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|
2819 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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|
2820 } |
3f874d645f45
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|
2821 |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2822 data->pos += trak->start_chunk * sizeof(uint32_t); |
4085 | 2823 atom_size = sizeof(ngx_mp4_stco_atom_t) + (data->last - data->pos); |
2824 trak->size += atom_size; | |
2825 | |
2826 trak->start_offset = ngx_mp4_get_32value(data->pos); | |
4098
a3e07fab98a3
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Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2827 trak->start_offset += trak->chunk_samples_size; |
a3e07fab98a3
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Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2828 ngx_mp4_set_32value(data->pos, trak->start_offset); |
4085 | 2829 |
2830 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2831 "start chunk offset:%uD", trak->start_offset); | |
2832 | |
2833 atom = trak->out[NGX_HTTP_MP4_STCO_ATOM].buf; | |
2834 stco_atom = (ngx_mp4_stco_atom_t *) atom->pos; | |
2835 | |
2836 ngx_mp4_set_32value(stco_atom->size, atom_size); | |
4098
a3e07fab98a3
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Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2837 ngx_mp4_set_32value(stco_atom->entries, trak->chunks - trak->start_chunk); |
4085 | 2838 |
2839 return NGX_OK; | |
2840 } | |
2841 | |
2842 | |
2843 static void | |
2844 ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
2845 ngx_http_mp4_trak_t *trak, int32_t adjustment) | |
2846 { | |
2847 uint32_t offset, *entry, *end; | |
2848 ngx_buf_t *data; | |
2849 | |
2850 /* | |
2851 * moov.trak.mdia.minf.stbl.stco adjustment requires | |
2852 * minimal start offset of all traks and new moov atom size | |
2853 */ | |
2854 | |
2855 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2856 "mp4 stco atom adjustment"); | |
2857 | |
2858 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
2859 entry = (uint32_t *) data->pos; | |
2860 end = (uint32_t *) data->last; | |
2861 | |
2862 while (entry < end) { | |
2863 offset = ngx_mp4_get_32value(entry); | |
2864 offset += adjustment; | |
2865 ngx_mp4_set_32value(entry, offset); | |
2866 entry++; | |
2867 } | |
2868 } | |
2869 | |
2870 | |
4112 | 2871 typedef struct { |
2872 u_char size[4]; | |
2873 u_char name[4]; | |
2874 u_char version[1]; | |
2875 u_char flags[3]; | |
2876 u_char entries[4]; | |
2877 } ngx_mp4_co64_atom_t; | |
2878 | |
2879 | |
2880 static ngx_int_t | |
2881 ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2882 { | |
2883 u_char *atom_header, *atom_table, *atom_end; | |
2884 uint32_t entries; | |
2885 ngx_buf_t *atom, *data; | |
2886 ngx_mp4_co64_atom_t *co64_atom; | |
2887 ngx_http_mp4_trak_t *trak; | |
2888 | |
2889 /* chunk offsets atom */ | |
2890 | |
2891 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 co64 atom"); | |
2892 | |
2893 atom_header = ngx_mp4_atom_header(mp4); | |
2894 co64_atom = (ngx_mp4_co64_atom_t *) atom_header; | |
2895 ngx_mp4_set_atom_name(co64_atom, 'c', 'o', '6', '4'); | |
2896 | |
4585
3f874d645f45
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|
2897 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) > atom_data_size) { |
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|
2898 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
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parents:
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|
2899 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
3f874d645f45
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diff
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|
2900 return NGX_ERROR; |
3f874d645f45
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|
2901 } |
3f874d645f45
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diff
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|
2902 |
4112 | 2903 entries = ngx_mp4_get_32value(co64_atom->entries); |
2904 | |
2905 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
2906 | |
4585
3f874d645f45
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parents:
4579
diff
changeset
|
2907 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) |
3f874d645f45
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parents:
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diff
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|
2908 + entries * sizeof(uint64_t) > atom_data_size) |
3f874d645f45
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4579
diff
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|
2909 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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|
2910 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
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|
2911 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
3f874d645f45
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Maxim Dounin <mdounin@mdounin.ru>
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4579
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|
2912 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
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|
2913 } |
3f874d645f45
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|
2914 |
4112 | 2915 atom_table = atom_header + sizeof(ngx_mp4_co64_atom_t); |
2916 atom_end = atom_table + entries * sizeof(uint64_t); | |
2917 | |
2918 trak = ngx_mp4_last_trak(mp4); | |
2919 trak->chunks = entries; | |
2920 | |
2921 atom = &trak->co64_atom_buf; | |
2922 atom->temporary = 1; | |
2923 atom->pos = atom_header; | |
2924 atom->last = atom_table; | |
2925 | |
2926 data = &trak->co64_data_buf; | |
2927 data->temporary = 1; | |
2928 data->pos = atom_table; | |
2929 data->last = atom_end; | |
2930 | |
2931 trak->out[NGX_HTTP_MP4_CO64_ATOM].buf = atom; | |
2932 trak->out[NGX_HTTP_MP4_CO64_DATA].buf = data; | |
2933 | |
2934 ngx_mp4_atom_next(mp4, atom_data_size); | |
2935 | |
2936 return NGX_OK; | |
2937 } | |
2938 | |
2939 | |
2940 static ngx_int_t | |
2941 ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
2942 ngx_http_mp4_trak_t *trak) | |
2943 { | |
2944 size_t atom_size; | |
2945 ngx_buf_t *atom, *data; | |
2946 ngx_mp4_co64_atom_t *co64_atom; | |
2947 | |
2948 /* | |
2949 * mdia.minf.stbl.co64 updating requires trak->start_chunk | |
2950 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
2951 * atom which may reside after mdia.minf | |
2952 */ | |
2953 | |
2954 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2955 "mp4 co64 atom update"); | |
2956 | |
2957 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
2958 | |
2959 if (data == NULL) { | |
2960 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2961 "no mp4 co64 atoms were found in \"%s\"", | |
2962 mp4->file.name.data); | |
2963 return NGX_ERROR; | |
2964 } | |
2965 | |
4585
3f874d645f45
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Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2966 if (trak->start_chunk > trak->chunks) { |
3f874d645f45
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parents:
4579
diff
changeset
|
2967 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2968 "start time is out mp4 co64 chunks in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2969 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2970 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2971 } |
3f874d645f45
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4579
diff
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|
2972 |
4112 | 2973 data->pos += trak->start_chunk * sizeof(uint64_t); |
2974 atom_size = sizeof(ngx_mp4_co64_atom_t) + (data->last - data->pos); | |
2975 trak->size += atom_size; | |
2976 | |
2977 trak->start_offset = ngx_mp4_get_64value(data->pos); | |
2978 trak->start_offset += trak->chunk_samples_size; | |
2979 ngx_mp4_set_64value(data->pos, trak->start_offset); | |
2980 | |
2981 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2982 "start chunk offset:%uL", trak->start_offset); | |
2983 | |
2984 atom = trak->out[NGX_HTTP_MP4_CO64_ATOM].buf; | |
2985 co64_atom = (ngx_mp4_co64_atom_t *) atom->pos; | |
2986 | |
2987 ngx_mp4_set_32value(co64_atom->size, atom_size); | |
2988 ngx_mp4_set_32value(co64_atom->entries, trak->chunks - trak->start_chunk); | |
2989 | |
2990 return NGX_OK; | |
2991 } | |
2992 | |
2993 | |
2994 static void | |
2995 ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
2996 ngx_http_mp4_trak_t *trak, off_t adjustment) | |
2997 { | |
2998 uint64_t offset, *entry, *end; | |
2999 ngx_buf_t *data; | |
3000 | |
3001 /* | |
3002 * moov.trak.mdia.minf.stbl.co64 adjustment requires | |
3003 * minimal start offset of all traks and new moov atom size | |
3004 */ | |
3005 | |
3006 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
3007 "mp4 co64 atom adjustment"); | |
3008 | |
3009 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
3010 entry = (uint64_t *) data->pos; | |
3011 end = (uint64_t *) data->last; | |
3012 | |
3013 while (entry < end) { | |
3014 offset = ngx_mp4_get_64value(entry); | |
3015 offset += adjustment; | |
3016 ngx_mp4_set_64value(entry, offset); | |
3017 entry++; | |
3018 } | |
3019 } | |
3020 | |
3021 | |
4085 | 3022 static char * |
3023 ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
3024 { | |
3025 ngx_http_core_loc_conf_t *clcf; | |
3026 | |
3027 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
3028 clcf->handler = ngx_http_mp4_handler; | |
3029 | |
3030 return NGX_CONF_OK; | |
3031 } | |
3032 | |
3033 | |
3034 static void * | |
3035 ngx_http_mp4_create_conf(ngx_conf_t *cf) | |
3036 { | |
3037 ngx_http_mp4_conf_t *conf; | |
3038 | |
3039 conf = ngx_palloc(cf->pool, sizeof(ngx_http_mp4_conf_t)); | |
3040 if (conf == NULL) { | |
3041 return NULL; | |
3042 } | |
3043 | |
3044 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
|
3045 conf->max_buffer_size = NGX_CONF_UNSET_SIZE; |
4085 | 3046 |
3047 return conf; | |
3048 } | |
3049 | |
3050 | |
3051 static char * | |
3052 ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
3053 { | |
3054 ngx_http_mp4_conf_t *prev = parent; | |
3055 ngx_http_mp4_conf_t *conf = child; | |
3056 | |
3057 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
|
3058 ngx_conf_merge_size_value(conf->max_buffer_size, prev->max_buffer_size, |
4085 | 3059 10 * 1024 * 1024); |
3060 | |
3061 return NGX_CONF_OK; | |
3062 } |