Mercurial > hg > nginx
annotate src/http/modules/ngx_http_mp4_module.c @ 4849:026ff0eb3062 stable-1.2
Merge of r4779, r4840, r4843, r4844: win32 changes.
*) Fixed build with Visual Studio 2005 Express.
It is available via winetricks which makes it still usable, and has
an old crtdefs.h which uses _CRT_SECURE_NO_DEPRECATE instead of
_CRT_SECURE_NO_WARNINGS to suppress warnings.
Reported by HAYASHI Kentaro,
http://mailman.nginx.org/pipermail/nginx-devel/2012-August/002542.html
*) Configure: provide inflate() when building zlib on win32.
*) Helper target "win32" to run configure for win32 builds.
*) Updated zlib used for win32 builds.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 24 Sep 2012 18:37:14 +0000 |
parents | 1c7616100797 |
children | 2bdb94e65a4c |
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) |
4085 | 160 #define ngx_mp4_atom_next(mp4, n) mp4->buffer_pos += n; mp4->offset += n |
161 | |
162 | |
163 #define ngx_mp4_set_atom_name(p, n1, n2, n3, n4) \ | |
164 ((u_char *) (p))[4] = n1; \ | |
165 ((u_char *) (p))[5] = n2; \ | |
166 ((u_char *) (p))[6] = n3; \ | |
167 ((u_char *) (p))[7] = n4 | |
168 | |
169 #define ngx_mp4_get_32value(p) \ | |
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170 ( ((uint32_t) ((u_char *) (p))[0] << 24) \ |
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171 + ( ((u_char *) (p))[1] << 16) \ |
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172 + ( ((u_char *) (p))[2] << 8) \ |
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173 + ( ((u_char *) (p))[3]) ) |
4085 | 174 |
175 #define ngx_mp4_set_32value(p, n) \ | |
176 ((u_char *) (p))[0] = (u_char) ((n) >> 24); \ | |
177 ((u_char *) (p))[1] = (u_char) ((n) >> 16); \ | |
178 ((u_char *) (p))[2] = (u_char) ((n) >> 8); \ | |
179 ((u_char *) (p))[3] = (u_char) (n) | |
180 | |
181 #define ngx_mp4_get_64value(p) \ | |
182 ( ((uint64_t) ((u_char *) (p))[0] << 56) \ | |
183 + ((uint64_t) ((u_char *) (p))[1] << 48) \ | |
184 + ((uint64_t) ((u_char *) (p))[2] << 40) \ | |
185 + ((uint64_t) ((u_char *) (p))[3] << 32) \ | |
186 + ((uint64_t) ((u_char *) (p))[4] << 24) \ | |
187 + ( ((u_char *) (p))[5] << 16) \ | |
188 + ( ((u_char *) (p))[6] << 8) \ | |
189 + ( ((u_char *) (p))[7]) ) | |
190 | |
191 #define ngx_mp4_set_64value(p, n) \ | |
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192 ((u_char *) (p))[0] = (u_char) ((uint64_t) (n) >> 56); \ |
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193 ((u_char *) (p))[1] = (u_char) ((uint64_t) (n) >> 48); \ |
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194 ((u_char *) (p))[2] = (u_char) ((uint64_t) (n) >> 40); \ |
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195 ((u_char *) (p))[3] = (u_char) ((uint64_t) (n) >> 32); \ |
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196 ((u_char *) (p))[4] = (u_char) ( (n) >> 24); \ |
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197 ((u_char *) (p))[5] = (u_char) ( (n) >> 16); \ |
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198 ((u_char *) (p))[6] = (u_char) ( (n) >> 8); \ |
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199 ((u_char *) (p))[7] = (u_char) (n) |
4085 | 200 |
201 #define ngx_mp4_last_trak(mp4) \ | |
202 &((ngx_http_mp4_trak_t *) mp4->trak.elts)[mp4->trak.nelts - 1] | |
203 | |
204 | |
205 static ngx_int_t ngx_http_mp4_process(ngx_http_mp4_file_t *mp4); | |
206 static ngx_int_t ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
207 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size); | |
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208 static ngx_int_t ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size); |
4085 | 209 static ngx_int_t ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, |
210 uint64_t atom_data_size); | |
211 static ngx_int_t ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, | |
212 uint64_t atom_data_size); | |
213 static ngx_int_t ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, | |
214 uint64_t atom_data_size); | |
215 static size_t ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, | |
216 off_t start_offset); | |
217 static ngx_int_t ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, | |
218 uint64_t atom_data_size); | |
219 static ngx_int_t ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, | |
220 uint64_t atom_data_size); | |
221 static void ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
222 ngx_http_mp4_trak_t *trak); | |
223 static ngx_int_t ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, | |
224 uint64_t atom_data_size); | |
225 static ngx_int_t ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, | |
226 uint64_t atom_data_size); | |
227 static ngx_int_t ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, | |
228 uint64_t atom_data_size); | |
229 static void ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
230 ngx_http_mp4_trak_t *trak); | |
231 static ngx_int_t ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, | |
232 uint64_t atom_data_size); | |
233 static ngx_int_t ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, | |
234 uint64_t atom_data_size); | |
235 static ngx_int_t ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, | |
236 uint64_t atom_data_size); | |
237 static void ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
238 ngx_http_mp4_trak_t *trak); | |
239 static ngx_int_t ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, | |
240 uint64_t atom_data_size); | |
241 static ngx_int_t ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, | |
242 uint64_t atom_data_size); | |
243 static ngx_int_t ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, | |
244 uint64_t atom_data_size); | |
245 static ngx_int_t ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, | |
246 uint64_t atom_data_size); | |
247 static void ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
248 ngx_http_mp4_trak_t *trak); | |
249 static ngx_int_t ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, | |
250 uint64_t atom_data_size); | |
251 static ngx_int_t ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, | |
252 uint64_t atom_data_size); | |
253 static ngx_int_t ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
254 ngx_http_mp4_trak_t *trak); | |
255 static ngx_int_t ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, | |
256 uint64_t atom_data_size); | |
257 static ngx_int_t ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
258 ngx_http_mp4_trak_t *trak); | |
259 static ngx_int_t ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, | |
260 uint64_t atom_data_size); | |
261 static void ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
262 ngx_http_mp4_trak_t *trak); | |
263 static ngx_int_t ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, | |
264 uint64_t atom_data_size); | |
265 static ngx_int_t ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
266 ngx_http_mp4_trak_t *trak); | |
267 static ngx_int_t ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, | |
268 uint64_t atom_data_size); | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
269 static ngx_int_t ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
4085 | 270 ngx_http_mp4_trak_t *trak); |
271 static ngx_int_t ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, | |
272 uint64_t atom_data_size); | |
273 static ngx_int_t ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
274 ngx_http_mp4_trak_t *trak); | |
275 static void ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
276 ngx_http_mp4_trak_t *trak, int32_t adjustment); | |
4112 | 277 static ngx_int_t ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, |
278 uint64_t atom_data_size); | |
279 static ngx_int_t ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
280 ngx_http_mp4_trak_t *trak); | |
281 static void ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
282 ngx_http_mp4_trak_t *trak, off_t adjustment); | |
4085 | 283 static char *ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
284 static void *ngx_http_mp4_create_conf(ngx_conf_t *cf); | |
285 static char *ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child); | |
286 | |
287 static ngx_command_t ngx_http_mp4_commands[] = { | |
288 | |
289 { ngx_string("mp4"), | |
290 NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, | |
291 ngx_http_mp4, | |
292 0, | |
293 0, | |
294 NULL }, | |
295 | |
296 { ngx_string("mp4_buffer_size"), | |
297 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
298 ngx_conf_set_size_slot, | |
299 NGX_HTTP_LOC_CONF_OFFSET, | |
300 offsetof(ngx_http_mp4_conf_t, buffer_size), | |
301 NULL }, | |
302 | |
4089
e27670e1ab70
mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
Igor Sysoev <igor@sysoev.ru>
parents:
4088
diff
changeset
|
303 { ngx_string("mp4_max_buffer_size"), |
4085 | 304 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
305 ngx_conf_set_size_slot, | |
306 NGX_HTTP_LOC_CONF_OFFSET, | |
4089
e27670e1ab70
mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
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parents:
4088
diff
changeset
|
307 offsetof(ngx_http_mp4_conf_t, max_buffer_size), |
4085 | 308 NULL }, |
309 | |
310 ngx_null_command | |
311 }; | |
312 | |
313 | |
314 static ngx_http_module_t ngx_http_mp4_module_ctx = { | |
315 NULL, /* preconfiguration */ | |
316 NULL, /* postconfiguration */ | |
317 | |
318 NULL, /* create main configuration */ | |
319 NULL, /* init main configuration */ | |
320 | |
321 NULL, /* create server configuration */ | |
322 NULL, /* merge server configuration */ | |
323 | |
324 ngx_http_mp4_create_conf, /* create location configuration */ | |
325 ngx_http_mp4_merge_conf /* merge location configuration */ | |
326 }; | |
327 | |
328 | |
329 ngx_module_t ngx_http_mp4_module = { | |
330 NGX_MODULE_V1, | |
331 &ngx_http_mp4_module_ctx, /* module context */ | |
332 ngx_http_mp4_commands, /* module directives */ | |
333 NGX_HTTP_MODULE, /* module type */ | |
334 NULL, /* init master */ | |
335 NULL, /* init module */ | |
336 NULL, /* init process */ | |
337 NULL, /* init thread */ | |
338 NULL, /* exit thread */ | |
339 NULL, /* exit process */ | |
340 NULL, /* exit master */ | |
341 NGX_MODULE_V1_PADDING | |
342 }; | |
343 | |
344 | |
345 static ngx_http_mp4_atom_handler_t ngx_http_mp4_atoms[] = { | |
346 { "ftyp", ngx_http_mp4_read_ftyp_atom }, | |
347 { "moov", ngx_http_mp4_read_moov_atom }, | |
348 { "mdat", ngx_http_mp4_read_mdat_atom }, | |
349 { NULL, NULL } | |
350 }; | |
351 | |
352 static ngx_http_mp4_atom_handler_t ngx_http_mp4_moov_atoms[] = { | |
353 { "mvhd", ngx_http_mp4_read_mvhd_atom }, | |
354 { "trak", ngx_http_mp4_read_trak_atom }, | |
355 { "cmov", ngx_http_mp4_read_cmov_atom }, | |
356 { NULL, NULL } | |
357 }; | |
358 | |
359 static ngx_http_mp4_atom_handler_t ngx_http_mp4_trak_atoms[] = { | |
360 { "tkhd", ngx_http_mp4_read_tkhd_atom }, | |
361 { "mdia", ngx_http_mp4_read_mdia_atom }, | |
362 { NULL, NULL } | |
363 }; | |
364 | |
365 static ngx_http_mp4_atom_handler_t ngx_http_mp4_mdia_atoms[] = { | |
366 { "mdhd", ngx_http_mp4_read_mdhd_atom }, | |
367 { "hdlr", ngx_http_mp4_read_hdlr_atom }, | |
368 { "minf", ngx_http_mp4_read_minf_atom }, | |
369 { NULL, NULL } | |
370 }; | |
371 | |
372 static ngx_http_mp4_atom_handler_t ngx_http_mp4_minf_atoms[] = { | |
373 { "vmhd", ngx_http_mp4_read_vmhd_atom }, | |
374 { "smhd", ngx_http_mp4_read_smhd_atom }, | |
375 { "dinf", ngx_http_mp4_read_dinf_atom }, | |
376 { "stbl", ngx_http_mp4_read_stbl_atom }, | |
377 { NULL, NULL } | |
378 }; | |
379 | |
380 static ngx_http_mp4_atom_handler_t ngx_http_mp4_stbl_atoms[] = { | |
381 { "stsd", ngx_http_mp4_read_stsd_atom }, | |
382 { "stts", ngx_http_mp4_read_stts_atom }, | |
383 { "stss", ngx_http_mp4_read_stss_atom }, | |
384 { "ctts", ngx_http_mp4_read_ctts_atom }, | |
385 { "stsc", ngx_http_mp4_read_stsc_atom }, | |
386 { "stsz", ngx_http_mp4_read_stsz_atom }, | |
387 { "stco", ngx_http_mp4_read_stco_atom }, | |
4112 | 388 { "co64", ngx_http_mp4_read_co64_atom }, |
4085 | 389 { NULL, NULL } |
390 }; | |
391 | |
392 | |
393 static ngx_int_t | |
394 ngx_http_mp4_handler(ngx_http_request_t *r) | |
395 { | |
396 u_char *last; | |
397 size_t root; | |
398 ngx_int_t rc, start; | |
399 ngx_uint_t level; | |
400 ngx_str_t path, value; | |
401 ngx_log_t *log; | |
402 ngx_buf_t *b; | |
403 ngx_chain_t out; | |
404 ngx_http_mp4_file_t *mp4; | |
405 ngx_open_file_info_t of; | |
406 ngx_http_core_loc_conf_t *clcf; | |
407 | |
408 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { | |
409 return NGX_HTTP_NOT_ALLOWED; | |
410 } | |
411 | |
412 if (r->uri.data[r->uri.len - 1] == '/') { | |
413 return NGX_DECLINED; | |
414 } | |
415 | |
416 rc = ngx_http_discard_request_body(r); | |
417 | |
418 if (rc != NGX_OK) { | |
419 return rc; | |
420 } | |
421 | |
422 last = ngx_http_map_uri_to_path(r, &path, &root, 0); | |
423 if (last == NULL) { | |
424 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
425 } | |
426 | |
427 log = r->connection->log; | |
428 | |
429 path.len = last - path.data; | |
430 | |
431 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, | |
432 "http mp4 filename: \"%V\"", &path); | |
433 | |
434 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
435 | |
436 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); | |
437 | |
438 of.read_ahead = clcf->read_ahead; | |
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
|
439 of.directio = NGX_MAX_OFF_T_VALUE; |
4085 | 440 of.valid = clcf->open_file_cache_valid; |
441 of.min_uses = clcf->open_file_cache_min_uses; | |
442 of.errors = clcf->open_file_cache_errors; | |
443 of.events = clcf->open_file_cache_events; | |
4494
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
444 |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
445 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
446 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
4478
diff
changeset
|
447 } |
4085 | 448 |
449 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) | |
450 != NGX_OK) | |
451 { | |
452 switch (of.err) { | |
453 | |
454 case 0: | |
455 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
456 | |
457 case NGX_ENOENT: | |
458 case NGX_ENOTDIR: | |
459 case NGX_ENAMETOOLONG: | |
460 | |
461 level = NGX_LOG_ERR; | |
462 rc = NGX_HTTP_NOT_FOUND; | |
463 break; | |
464 | |
465 case NGX_EACCES: | |
4478
08713bac87fc
Support for disable_symlinks in various modules.
Andrey Belov <defan@nginx.com>
parents:
4412
diff
changeset
|
466 #if (NGX_HAVE_OPENAT) |
08713bac87fc
Support for disable_symlinks in various modules.
Andrey Belov <defan@nginx.com>
parents:
4412
diff
changeset
|
467 case NGX_EMLINK: |
08713bac87fc
Support for disable_symlinks in various modules.
Andrey Belov <defan@nginx.com>
parents:
4412
diff
changeset
|
468 case NGX_ELOOP: |
08713bac87fc
Support for disable_symlinks in various modules.
Andrey Belov <defan@nginx.com>
parents:
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diff
changeset
|
469 #endif |
4085 | 470 |
471 level = NGX_LOG_ERR; | |
472 rc = NGX_HTTP_FORBIDDEN; | |
473 break; | |
474 | |
475 default: | |
476 | |
477 level = NGX_LOG_CRIT; | |
478 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
479 break; | |
480 } | |
481 | |
482 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { | |
483 ngx_log_error(level, log, of.err, | |
484 "%s \"%s\" failed", of.failed, path.data); | |
485 } | |
486 | |
487 return rc; | |
488 } | |
489 | |
490 if (!of.is_file) { | |
491 | |
492 if (ngx_close_file(of.fd) == NGX_FILE_ERROR) { | |
493 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
494 ngx_close_file_n " \"%s\" failed", path.data); | |
495 } | |
496 | |
497 return NGX_DECLINED; | |
498 } | |
499 | |
500 r->root_tested = !r->error_page; | |
501 r->allow_ranges = 1; | |
502 | |
503 start = -1; | |
504 r->headers_out.content_length_n = of.size; | |
505 mp4 = NULL; | |
506 b = NULL; | |
507 | |
508 if (r->args.len) { | |
509 | |
510 if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) { | |
511 | |
4156
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
Igor Sysoev <igor@sysoev.ru>
parents:
4155
diff
changeset
|
512 /* |
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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parents:
4155
diff
changeset
|
513 * A Flash player may send start value with a lot of digits |
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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parents:
4155
diff
changeset
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514 * after dot so strtod() is used instead of atofp(). NaNs and |
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
515 * infinities become negative numbers after (int) conversion. |
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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parents:
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diff
changeset
|
516 */ |
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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parents:
4155
diff
changeset
|
517 |
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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parents:
4155
diff
changeset
|
518 ngx_set_errno(0); |
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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parents:
4155
diff
changeset
|
519 start = (int) (strtod((char *) value.data, NULL) * 1000); |
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
Igor Sysoev <igor@sysoev.ru>
parents:
4155
diff
changeset
|
520 |
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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parents:
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diff
changeset
|
521 if (ngx_errno == 0 && start >= 0) { |
4085 | 522 r->allow_ranges = 0; |
523 | |
524 mp4 = ngx_pcalloc(r->pool, sizeof(ngx_http_mp4_file_t)); | |
525 if (mp4 == NULL) { | |
526 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
527 } | |
528 | |
529 mp4->file.fd = of.fd; | |
530 mp4->file.name = path; | |
531 mp4->file.log = r->connection->log;; | |
532 mp4->end = of.size; | |
533 mp4->start = (ngx_uint_t) start; | |
534 mp4->request = r; | |
535 | |
536 switch (ngx_http_mp4_process(mp4)) { | |
537 | |
538 case NGX_DECLINED: | |
539 if (mp4->buffer) { | |
540 ngx_pfree(r->pool, mp4->buffer); | |
541 } | |
542 | |
543 ngx_pfree(r->pool, mp4); | |
544 mp4 = NULL; | |
545 | |
546 break; | |
547 | |
548 case NGX_OK: | |
549 r->headers_out.content_length_n = mp4->content_length; | |
550 break; | |
551 | |
552 default: /* NGX_ERROR */ | |
553 if (mp4->buffer) { | |
554 ngx_pfree(r->pool, mp4->buffer); | |
555 } | |
556 | |
557 ngx_pfree(r->pool, mp4); | |
558 | |
559 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
560 } | |
561 } | |
562 } | |
563 } | |
564 | |
565 log->action = "sending mp4 to client"; | |
566 | |
567 if (clcf->directio <= of.size) { | |
568 | |
569 /* | |
570 * DIRECTIO is set on transfer only | |
571 * to allow kernel to cache "moov" atom | |
572 */ | |
573 | |
574 if (ngx_directio_on(of.fd) == NGX_FILE_ERROR) { | |
575 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
576 ngx_directio_on_n " \"%s\" failed", path.data); | |
577 } | |
578 | |
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
|
579 of.is_directio = 1; |
3aa3b7bb9f0d
Bugfix of r4086: directio was always enabled if mp4 file was sent as is.
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parents:
4085
diff
changeset
|
580 |
4085 | 581 if (mp4) { |
582 mp4->file.directio = 1; | |
583 } | |
584 } | |
585 | |
586 r->headers_out.status = NGX_HTTP_OK; | |
587 r->headers_out.last_modified_time = of.mtime; | |
588 | |
589 if (ngx_http_set_content_type(r) != NGX_OK) { | |
590 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
591 } | |
592 | |
593 if (mp4 == NULL) { | |
594 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); | |
595 if (b == NULL) { | |
596 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
597 } | |
598 | |
599 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); | |
600 if (b->file == NULL) { | |
601 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
602 } | |
603 } | |
604 | |
605 rc = ngx_http_send_header(r); | |
606 | |
607 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
608 return rc; | |
609 } | |
610 | |
611 if (mp4) { | |
612 return ngx_http_output_filter(r, mp4->out); | |
613 } | |
614 | |
615 b->file_pos = 0; | |
616 b->file_last = of.size; | |
617 | |
618 b->in_file = b->file_last ? 1 : 0; | |
4659
f12d474f0d5e
Merge of r4612: proper subrequest handling in various modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4585
diff
changeset
|
619 b->last_buf = (r == r->main) ? 1 : 0; |
4085 | 620 b->last_in_chain = 1; |
621 | |
622 b->file->fd = of.fd; | |
623 b->file->name = path; | |
624 b->file->log = log; | |
625 b->file->directio = of.is_directio; | |
626 | |
627 out.buf = b; | |
628 out.next = NULL; | |
629 | |
630 return ngx_http_output_filter(r, &out); | |
631 } | |
632 | |
633 | |
634 static ngx_int_t | |
635 ngx_http_mp4_process(ngx_http_mp4_file_t *mp4) | |
636 { | |
637 off_t start_offset, adjustment; | |
638 ngx_int_t rc; | |
639 ngx_uint_t i, j; | |
640 ngx_chain_t **prev; | |
641 ngx_http_mp4_trak_t *trak; | |
642 ngx_http_mp4_conf_t *conf; | |
643 | |
644 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
645 "mp4 start:%ui", mp4->start); | |
646 | |
647 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
648 | |
649 mp4->buffer_size = conf->buffer_size; | |
650 | |
651 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_atoms, mp4->end); | |
652 if (rc != NGX_OK) { | |
653 return rc; | |
654 } | |
655 | |
656 if (mp4->trak.nelts == 0) { | |
657 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
658 "no mp4 trak atoms were found in \"%s\"", | |
659 mp4->file.name.data); | |
660 return NGX_ERROR; | |
661 } | |
662 | |
663 if (mp4->mdat_atom.buf == NULL) { | |
664 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
665 "no mp4 mdat atom was found in \"%s\"", | |
666 mp4->file.name.data); | |
667 return NGX_ERROR; | |
668 } | |
669 | |
670 prev = &mp4->out; | |
671 | |
672 if (mp4->ftyp_atom.buf) { | |
673 *prev = &mp4->ftyp_atom; | |
674 prev = &mp4->ftyp_atom.next; | |
675 } | |
676 | |
677 *prev = &mp4->moov_atom; | |
678 prev = &mp4->moov_atom.next; | |
679 | |
680 if (mp4->mvhd_atom.buf) { | |
681 mp4->moov_size += mp4->mvhd_atom_buf.last - mp4->mvhd_atom_buf.pos; | |
682 *prev = &mp4->mvhd_atom; | |
683 prev = &mp4->mvhd_atom.next; | |
684 } | |
685 | |
686 start_offset = mp4->end; | |
687 trak = mp4->trak.elts; | |
688 | |
689 for (i = 0; i < mp4->trak.nelts; i++) { | |
690 | |
691 if (ngx_http_mp4_update_stts_atom(mp4, &trak[i]) != NGX_OK) { | |
692 return NGX_ERROR; | |
693 } | |
694 | |
695 if (ngx_http_mp4_update_stss_atom(mp4, &trak[i]) != NGX_OK) { | |
696 return NGX_ERROR; | |
697 } | |
698 | |
699 ngx_http_mp4_update_ctts_atom(mp4, &trak[i]); | |
700 | |
701 if (ngx_http_mp4_update_stsc_atom(mp4, &trak[i]) != NGX_OK) { | |
702 return NGX_ERROR; | |
703 } | |
704 | |
4585
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705 if (ngx_http_mp4_update_stsz_atom(mp4, &trak[i]) != NGX_OK) { |
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706 return NGX_ERROR; |
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707 } |
4085 | 708 |
4112 | 709 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
710 if (ngx_http_mp4_update_co64_atom(mp4, &trak[i]) != NGX_OK) { | |
711 return NGX_ERROR; | |
712 } | |
713 | |
714 } else { | |
715 if (ngx_http_mp4_update_stco_atom(mp4, &trak[i]) != NGX_OK) { | |
716 return NGX_ERROR; | |
717 } | |
4085 | 718 } |
719 | |
720 ngx_http_mp4_update_stbl_atom(mp4, &trak[i]); | |
721 ngx_http_mp4_update_minf_atom(mp4, &trak[i]); | |
722 trak[i].size += trak[i].mdhd_size; | |
723 trak[i].size += trak[i].hdlr_size; | |
724 ngx_http_mp4_update_mdia_atom(mp4, &trak[i]); | |
725 trak[i].size += trak[i].tkhd_size; | |
726 ngx_http_mp4_update_trak_atom(mp4, &trak[i]); | |
727 | |
728 mp4->moov_size += trak[i].size; | |
729 | |
730 if (start_offset > trak[i].start_offset) { | |
731 start_offset = trak[i].start_offset; | |
732 } | |
733 | |
734 *prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM]; | |
735 prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM].next; | |
736 | |
737 for (j = 0; j < NGX_HTTP_MP4_LAST_ATOM + 1; j++) { | |
738 if (trak[i].out[j].buf) { | |
739 *prev = &trak[i].out[j]; | |
740 prev = &trak[i].out[j].next; | |
741 } | |
742 } | |
743 } | |
744 | |
745 mp4->moov_size += 8; | |
746 | |
747 ngx_mp4_set_32value(mp4->moov_atom_header, mp4->moov_size); | |
748 ngx_mp4_set_atom_name(mp4->moov_atom_header, 'm', 'o', 'o', 'v'); | |
749 mp4->content_length += mp4->moov_size; | |
750 | |
751 *prev = &mp4->mdat_atom; | |
752 | |
753 adjustment = mp4->ftyp_size + mp4->moov_size | |
754 + ngx_http_mp4_update_mdat_atom(mp4, start_offset) | |
755 - start_offset; | |
756 | |
4088
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diff
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757 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4579 | 758 "mp4 adjustment:%O", adjustment); |
4085 | 759 |
760 for (i = 0; i < mp4->trak.nelts; i++) { | |
4112 | 761 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
762 ngx_http_mp4_adjust_co64_atom(mp4, &trak[i], adjustment); | |
763 } else { | |
764 ngx_http_mp4_adjust_stco_atom(mp4, &trak[i], (int32_t) adjustment); | |
765 } | |
4085 | 766 } |
767 | |
768 return NGX_OK; | |
769 } | |
770 | |
771 | |
772 typedef struct { | |
773 u_char size[4]; | |
774 u_char name[4]; | |
775 } ngx_mp4_atom_header_t; | |
776 | |
777 typedef struct { | |
778 u_char size[4]; | |
779 u_char name[4]; | |
780 u_char size64[8]; | |
781 } ngx_mp4_atom_header64_t; | |
782 | |
783 | |
784 static ngx_int_t | |
785 ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
786 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size) | |
787 { | |
788 off_t end; | |
789 size_t atom_header_size; | |
790 u_char *atom_header, *atom_name; | |
791 uint64_t atom_size; | |
792 ngx_int_t rc; | |
793 ngx_uint_t n; | |
794 | |
795 end = mp4->offset + atom_data_size; | |
796 | |
797 while (mp4->offset < end) { | |
798 | |
4585
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799 if (ngx_http_mp4_read(mp4, sizeof(uint32_t)) != NGX_OK) { |
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800 return NGX_ERROR; |
4085 | 801 } |
802 | |
803 atom_header = mp4->buffer_pos; | |
804 atom_size = ngx_mp4_get_32value(atom_header); | |
805 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
806 | |
807 if (atom_size == 0) { | |
808 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
809 "mp4 atom end"); | |
810 return NGX_OK; | |
811 } | |
812 | |
813 if (atom_size < sizeof(ngx_mp4_atom_header_t)) { | |
814 | |
815 if (atom_size == 1) { | |
816 | |
4585
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817 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header64_t)) |
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818 != NGX_OK) |
4085 | 819 { |
4585
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820 return NGX_ERROR; |
4085 | 821 } |
822 | |
823 /* 64-bit atom size */ | |
4585
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824 atom_header = mp4->buffer_pos; |
4085 | 825 atom_size = ngx_mp4_get_64value(atom_header + 8); |
826 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
827 | |
828 } else { | |
829 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
830 "\"%s\" mp4 atom is too small:%uL", | |
831 mp4->file.name.data, atom_size); | |
832 return NGX_ERROR; | |
833 } | |
834 } | |
835 | |
4585
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836 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header_t)) != NGX_OK) { |
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837 return NGX_ERROR; |
4085 | 838 } |
839 | |
4585
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840 atom_header = mp4->buffer_pos; |
4085 | 841 atom_name = atom_header + sizeof(uint32_t); |
842 | |
4088
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diff
changeset
|
843 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 844 "mp4 atom: %*s @%O:%uL", |
845 4, atom_name, mp4->offset, atom_size); | |
846 | |
4585
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847 if (atom_size > (uint64_t) (NGX_MAX_OFF_T_VALUE - mp4->offset) |
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848 || mp4->offset + (off_t) atom_size > end) |
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849 { |
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850 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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851 "\"%s\" mp4 atom too large:%uL", |
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852 mp4->file.name.data, atom_size); |
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853 return NGX_ERROR; |
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854 } |
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855 |
4085 | 856 for (n = 0; atom[n].name; n++) { |
857 | |
858 if (ngx_strncmp(atom_name, atom[n].name, 4) == 0) { | |
859 | |
860 ngx_mp4_atom_next(mp4, atom_header_size); | |
861 | |
862 rc = atom[n].handler(mp4, atom_size - atom_header_size); | |
863 if (rc != NGX_OK) { | |
864 return rc; | |
865 } | |
866 | |
867 goto next; | |
868 } | |
869 } | |
870 | |
871 ngx_mp4_atom_next(mp4, atom_size); | |
872 | |
873 next: | |
874 continue; | |
875 } | |
876 | |
877 return NGX_OK; | |
878 } | |
879 | |
880 | |
881 static ngx_int_t | |
4585
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882 ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size) |
4085 | 883 { |
4585
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884 ssize_t n; |
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885 |
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886 if (mp4->buffer_pos + size <= mp4->buffer_end) { |
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887 return NGX_OK; |
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888 } |
4085 | 889 |
890 if (mp4->offset + (off_t) mp4->buffer_size > mp4->end) { | |
891 mp4->buffer_size = (size_t) (mp4->end - mp4->offset); | |
892 } | |
893 | |
4585
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894 if (mp4->buffer_size < size) { |
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895 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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896 "\"%s\" mp4 file truncated", mp4->file.name.data); |
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897 return NGX_ERROR; |
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898 } |
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899 |
4085 | 900 if (mp4->buffer == NULL) { |
901 mp4->buffer = ngx_palloc(mp4->request->pool, mp4->buffer_size); | |
902 if (mp4->buffer == NULL) { | |
903 return NGX_ERROR; | |
904 } | |
905 | |
906 mp4->buffer_start = mp4->buffer; | |
907 } | |
908 | |
909 n = ngx_read_file(&mp4->file, mp4->buffer_start, mp4->buffer_size, | |
910 mp4->offset); | |
911 | |
912 if (n == NGX_ERROR) { | |
913 return NGX_ERROR; | |
914 } | |
915 | |
4585
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916 if ((size_t) n != mp4->buffer_size) { |
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917 ngx_log_error(NGX_LOG_CRIT, mp4->file.log, 0, |
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918 ngx_read_file_n " read only %z of %z from \"%s\"", |
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919 n, mp4->buffer_size, mp4->file.name.data); |
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920 return NGX_ERROR; |
4085 | 921 } |
922 | |
923 mp4->buffer_pos = mp4->buffer_start; | |
4585
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924 mp4->buffer_end = mp4->buffer_start + mp4->buffer_size; |
4085 | 925 |
926 return NGX_OK; | |
927 } | |
928 | |
929 | |
930 static ngx_int_t | |
931 ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
932 { | |
933 u_char *ftyp_atom; | |
934 size_t atom_size; | |
935 ngx_buf_t *atom; | |
936 | |
937 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ftyp atom"); | |
938 | |
4585
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939 if (atom_data_size > 1024 |
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940 || ngx_mp4_atom_data(mp4) + atom_data_size > mp4->buffer_end) |
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941 { |
4085 | 942 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
943 "\"%s\" mp4 ftyp atom is too large:%uL", | |
944 mp4->file.name.data, atom_data_size); | |
945 return NGX_ERROR; | |
946 } | |
947 | |
948 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
949 | |
950 ftyp_atom = ngx_palloc(mp4->request->pool, atom_size); | |
951 if (ftyp_atom == NULL) { | |
952 return NGX_ERROR; | |
953 } | |
954 | |
955 ngx_mp4_set_32value(ftyp_atom, atom_size); | |
956 ngx_mp4_set_atom_name(ftyp_atom, 'f', 't', 'y', 'p'); | |
957 | |
958 /* | |
959 * only moov atom content is guaranteed to be in mp4->buffer | |
960 * during sending response, so ftyp atom content should be copied | |
961 */ | |
962 ngx_memcpy(ftyp_atom + sizeof(ngx_mp4_atom_header_t), | |
963 ngx_mp4_atom_data(mp4), (size_t) atom_data_size); | |
964 | |
965 atom = &mp4->ftyp_atom_buf; | |
966 atom->temporary = 1; | |
967 atom->pos = ftyp_atom; | |
968 atom->last = ftyp_atom + atom_size; | |
969 | |
970 mp4->ftyp_atom.buf = atom; | |
971 mp4->ftyp_size = atom_size; | |
972 mp4->content_length = atom_size; | |
973 | |
974 ngx_mp4_atom_next(mp4, atom_data_size); | |
975 | |
976 return NGX_OK; | |
977 } | |
978 | |
979 | |
980 /* | |
981 * Small excess buffer to process atoms after moov atom, mp4->buffer_start | |
982 * will be set to this buffer part after moov atom processing. | |
983 */ | |
984 #define NGX_HTTP_MP4_MOOV_BUFFER_EXCESS (4 * 1024) | |
985 | |
986 static ngx_int_t | |
987 ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
988 { | |
989 ngx_int_t rc; | |
990 ngx_uint_t no_mdat; | |
991 ngx_buf_t *atom; | |
992 ngx_http_mp4_conf_t *conf; | |
993 | |
994 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom"); | |
995 | |
996 no_mdat = (mp4->mdat_atom.buf == NULL); | |
997 | |
998 if (no_mdat && mp4->start == 0) { | |
999 /* | |
1000 * send original file if moov atom resides before | |
1001 * mdat atom and client requests integral file | |
1002 */ | |
1003 return NGX_DECLINED; | |
1004 } | |
1005 | |
1006 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
1007 | |
1008 if (atom_data_size > mp4->buffer_size) { | |
1009 | |
4089
e27670e1ab70
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4088
diff
changeset
|
1010 if (atom_data_size > conf->max_buffer_size) { |
4085 | 1011 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
1012 "\"%s\" mp4 moov atom is too large:%uL, " | |
4089
e27670e1ab70
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parents:
4088
diff
changeset
|
1013 "you may want to increase mp4_max_buffer_size", |
4085 | 1014 mp4->file.name.data, atom_data_size); |
1015 return NGX_ERROR; | |
1016 } | |
1017 | |
1018 ngx_pfree(mp4->request->pool, mp4->buffer); | |
1019 mp4->buffer = NULL; | |
1020 mp4->buffer_pos = NULL; | |
1021 mp4->buffer_end = NULL; | |
1022 | |
1023 mp4->buffer_size = (size_t) atom_data_size | |
1024 + NGX_HTTP_MP4_MOOV_BUFFER_EXCESS * no_mdat; | |
1025 } | |
1026 | |
4727
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|
1027 if (ngx_http_mp4_read(mp4, (size_t) atom_data_size) != NGX_OK) { |
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|
1028 return NGX_ERROR; |
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1029 } |
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|
1030 |
4085 | 1031 mp4->trak.elts = &mp4->traks; |
1032 mp4->trak.size = sizeof(ngx_http_mp4_trak_t); | |
1033 mp4->trak.nalloc = 2; | |
1034 mp4->trak.pool = mp4->request->pool; | |
1035 | |
1036 atom = &mp4->moov_atom_buf; | |
1037 atom->temporary = 1; | |
1038 atom->pos = mp4->moov_atom_header; | |
1039 atom->last = mp4->moov_atom_header + 8; | |
1040 | |
1041 mp4->moov_atom.buf = &mp4->moov_atom_buf; | |
1042 | |
1043 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_moov_atoms, atom_data_size); | |
1044 | |
1045 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom done"); | |
1046 | |
1047 if (no_mdat) { | |
1048 mp4->buffer_start = mp4->buffer_pos; | |
1049 mp4->buffer_size = NGX_HTTP_MP4_MOOV_BUFFER_EXCESS; | |
1050 | |
4727
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diff
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|
1051 if (mp4->buffer_start + mp4->buffer_size > mp4->buffer_end) { |
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diff
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|
1052 mp4->buffer = NULL; |
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diff
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|
1053 mp4->buffer_pos = NULL; |
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diff
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|
1054 mp4->buffer_end = NULL; |
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diff
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|
1055 } |
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|
1056 |
4085 | 1057 } else { |
1058 /* skip atoms after moov atom */ | |
1059 mp4->offset = mp4->end; | |
1060 } | |
1061 | |
1062 return rc; | |
1063 } | |
1064 | |
1065 | |
1066 static ngx_int_t | |
1067 ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1068 { | |
1069 ngx_buf_t *data; | |
1070 | |
1071 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdat atom"); | |
1072 | |
1073 data = &mp4->mdat_data_buf; | |
1074 data->file = &mp4->file; | |
1075 data->in_file = 1; | |
1076 data->last_buf = 1; | |
1077 data->last_in_chain = 1; | |
1078 data->file_last = mp4->offset + atom_data_size; | |
1079 | |
1080 mp4->mdat_atom.buf = &mp4->mdat_atom_buf; | |
1081 mp4->mdat_atom.next = &mp4->mdat_data; | |
1082 mp4->mdat_data.buf = data; | |
1083 | |
1084 if (mp4->trak.nelts) { | |
1085 /* skip atoms after mdat atom */ | |
1086 mp4->offset = mp4->end; | |
1087 | |
1088 } else { | |
1089 ngx_mp4_atom_next(mp4, atom_data_size); | |
1090 } | |
1091 | |
1092 return NGX_OK; | |
1093 } | |
1094 | |
1095 | |
1096 static size_t | |
1097 ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, off_t start_offset) | |
1098 { | |
1099 off_t atom_data_size; | |
1100 u_char *atom_header; | |
1101 uint32_t atom_header_size; | |
1102 uint64_t atom_size; | |
1103 ngx_buf_t *atom; | |
1104 | |
1105 atom_data_size = mp4->mdat_data.buf->file_last - start_offset; | |
1106 mp4->mdat_data.buf->file_pos = start_offset; | |
1107 | |
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4087
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|
1108 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 1109 "mdat new offset @%O:%O", start_offset, atom_data_size); |
1110 | |
1111 atom_header = mp4->mdat_atom_header; | |
1112 | |
4155
d9636bf3f159
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4112
diff
changeset
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1113 if ((uint64_t) atom_data_size > 0xffffffff) { |
4085 | 1114 atom_size = 1; |
1115 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
1116 ngx_mp4_set_64value(atom_header + sizeof(ngx_mp4_atom_header_t), | |
1117 sizeof(ngx_mp4_atom_header64_t) + atom_data_size); | |
1118 } else { | |
1119 atom_size = sizeof(ngx_mp4_atom_header_t) + atom_data_size; | |
1120 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
1121 } | |
1122 | |
4282
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diff
changeset
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1123 mp4->content_length += atom_header_size + atom_data_size; |
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1124 |
4085 | 1125 ngx_mp4_set_32value(atom_header, atom_size); |
1126 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'a', 't'); | |
1127 | |
1128 atom = &mp4->mdat_atom_buf; | |
1129 atom->temporary = 1; | |
1130 atom->pos = atom_header; | |
1131 atom->last = atom_header + atom_header_size; | |
1132 | |
1133 return atom_header_size; | |
1134 } | |
1135 | |
1136 | |
1137 typedef struct { | |
1138 u_char size[4]; | |
1139 u_char name[4]; | |
1140 u_char version[1]; | |
1141 u_char flags[3]; | |
1142 u_char creation_time[4]; | |
1143 u_char modification_time[4]; | |
1144 u_char timescale[4]; | |
1145 u_char duration[4]; | |
1146 u_char rate[4]; | |
1147 u_char volume[2]; | |
1148 u_char reserved[10]; | |
1149 u_char matrix[36]; | |
1150 u_char preview_time[4]; | |
1151 u_char preview_duration[4]; | |
1152 u_char poster_time[4]; | |
1153 u_char selection_time[4]; | |
1154 u_char selection_duration[4]; | |
1155 u_char current_time[4]; | |
1156 u_char next_track_id[4]; | |
1157 } ngx_mp4_mvhd_atom_t; | |
1158 | |
1159 typedef struct { | |
1160 u_char size[4]; | |
1161 u_char name[4]; | |
1162 u_char version[1]; | |
1163 u_char flags[3]; | |
1164 u_char creation_time[8]; | |
1165 u_char modification_time[8]; | |
1166 u_char timescale[4]; | |
1167 u_char duration[8]; | |
1168 u_char rate[4]; | |
1169 u_char volume[2]; | |
1170 u_char reserved[10]; | |
1171 u_char matrix[36]; | |
1172 u_char preview_time[4]; | |
1173 u_char preview_duration[4]; | |
1174 u_char poster_time[4]; | |
1175 u_char selection_time[4]; | |
1176 u_char selection_duration[4]; | |
1177 u_char current_time[4]; | |
1178 u_char next_track_id[4]; | |
1179 } ngx_mp4_mvhd64_atom_t; | |
1180 | |
1181 | |
1182 static ngx_int_t | |
1183 ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1184 { | |
1185 u_char *atom_header; | |
1186 size_t atom_size; | |
1187 uint32_t timescale; | |
1188 uint64_t duration; | |
1189 ngx_buf_t *atom; | |
1190 ngx_mp4_mvhd_atom_t *mvhd_atom; | |
1191 ngx_mp4_mvhd64_atom_t *mvhd64_atom; | |
1192 | |
1193 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mvhd atom"); | |
1194 | |
1195 atom_header = ngx_mp4_atom_header(mp4); | |
1196 mvhd_atom = (ngx_mp4_mvhd_atom_t *) atom_header; | |
1197 mvhd64_atom = (ngx_mp4_mvhd64_atom_t *) atom_header; | |
1198 ngx_mp4_set_atom_name(atom_header, 'm', 'v', 'h', 'd'); | |
1199 | |
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1200 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd_atom_t) > atom_data_size) { |
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1201 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1202 "\"%s\" mp4 mvhd atom too small", mp4->file.name.data); |
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1203 return NGX_ERROR; |
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1204 } |
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1205 |
4085 | 1206 if (mvhd_atom->version[0] == 0) { |
1207 /* version 0: 32-bit duration */ | |
1208 timescale = ngx_mp4_get_32value(mvhd_atom->timescale); | |
1209 duration = ngx_mp4_get_32value(mvhd_atom->duration); | |
1210 | |
1211 } else { | |
1212 /* version 1: 64-bit duration */ | |
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1213 |
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1214 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd64_atom_t) > atom_data_size) { |
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1215 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1216 "\"%s\" mp4 mvhd atom too small", |
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1217 mp4->file.name.data); |
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1218 return NGX_ERROR; |
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1219 } |
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1220 |
4085 | 1221 timescale = ngx_mp4_get_32value(mvhd64_atom->timescale); |
1222 duration = ngx_mp4_get_64value(mvhd64_atom->duration); | |
1223 } | |
1224 | |
1225 mp4->timescale = timescale; | |
1226 | |
1227 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1228 "mvhd timescale:%uD, duration:%uL, time:%.3fs", | |
1229 timescale, duration, (double) duration / timescale); | |
1230 | |
1231 duration -= (uint64_t) mp4->start * timescale / 1000; | |
1232 | |
1233 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1234 "mvhd new duration:%uL, time:%.3fs", | |
1235 duration, (double) duration / timescale); | |
1236 | |
1237 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1238 ngx_mp4_set_32value(mvhd_atom->size, atom_size); | |
1239 | |
1240 if (mvhd_atom->version[0] == 0) { | |
1241 ngx_mp4_set_32value(mvhd_atom->duration, duration); | |
1242 | |
1243 } else { | |
1244 ngx_mp4_set_64value(mvhd64_atom->duration, duration); | |
1245 } | |
1246 | |
1247 atom = &mp4->mvhd_atom_buf; | |
1248 atom->temporary = 1; | |
1249 atom->pos = atom_header; | |
1250 atom->last = atom_header + atom_size; | |
1251 | |
1252 mp4->mvhd_atom.buf = atom; | |
1253 | |
1254 ngx_mp4_atom_next(mp4, atom_data_size); | |
1255 | |
1256 return NGX_OK; | |
1257 } | |
1258 | |
1259 | |
1260 static ngx_int_t | |
1261 ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1262 { | |
4099
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1263 u_char *atom_header, *atom_end; |
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1264 off_t atom_file_end; |
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1265 ngx_int_t rc; |
4085 | 1266 ngx_buf_t *atom; |
1267 ngx_http_mp4_trak_t *trak; | |
1268 | |
1269 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 trak atom"); | |
1270 | |
1271 trak = ngx_array_push(&mp4->trak); | |
1272 if (trak == NULL) { | |
1273 return NGX_ERROR; | |
1274 } | |
1275 | |
1276 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); | |
1277 | |
1278 atom_header = ngx_mp4_atom_header(mp4); | |
1279 ngx_mp4_set_atom_name(atom_header, 't', 'r', 'a', 'k'); | |
1280 | |
1281 atom = &trak->trak_atom_buf; | |
1282 atom->temporary = 1; | |
1283 atom->pos = atom_header; | |
1284 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1285 | |
1286 trak->out[NGX_HTTP_MP4_TRAK_ATOM].buf = atom; | |
1287 | |
4099
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parents:
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1288 atom_end = mp4->buffer_pos + atom_data_size; |
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1289 atom_file_end = mp4->offset + atom_data_size; |
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1290 |
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1291 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_trak_atoms, atom_data_size); |
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1292 |
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1293 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1294 "mp4 trak atom: %i", rc); |
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1295 |
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1296 if (rc == NGX_DECLINED) { |
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1297 /* skip this trak */ |
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1298 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); |
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1299 mp4->trak.nelts--; |
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1300 mp4->buffer_pos = atom_end; |
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1301 mp4->offset = atom_file_end; |
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1302 return NGX_OK; |
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1303 } |
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1304 |
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1305 return rc; |
4085 | 1306 } |
1307 | |
1308 | |
1309 static void | |
1310 ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
1311 ngx_http_mp4_trak_t *trak) | |
1312 { | |
1313 ngx_buf_t *atom; | |
1314 | |
1315 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1316 atom = &trak->trak_atom_buf; | |
1317 ngx_mp4_set_32value(atom->pos, trak->size); | |
1318 } | |
1319 | |
1320 | |
1321 static ngx_int_t | |
1322 ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1323 { | |
1324 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
1325 "\"%s\" mp4 compressed moov atom (cmov) is not supported", | |
1326 mp4->file.name.data); | |
1327 | |
1328 return NGX_ERROR; | |
1329 } | |
1330 | |
1331 | |
1332 typedef struct { | |
1333 u_char size[4]; | |
1334 u_char name[4]; | |
1335 u_char version[1]; | |
1336 u_char flags[3]; | |
1337 u_char creation_time[4]; | |
1338 u_char modification_time[4]; | |
1339 u_char track_id[4]; | |
1340 u_char reserved1[4]; | |
1341 u_char duration[4]; | |
1342 u_char reserved2[8]; | |
1343 u_char layer[2]; | |
1344 u_char group[2]; | |
1345 u_char volume[2]; | |
1346 u_char reverved3[2]; | |
1347 u_char matrix[36]; | |
1348 u_char width[4]; | |
1349 u_char heigth[4]; | |
1350 } ngx_mp4_tkhd_atom_t; | |
1351 | |
1352 typedef struct { | |
1353 u_char size[4]; | |
1354 u_char name[4]; | |
1355 u_char version[1]; | |
1356 u_char flags[3]; | |
1357 u_char creation_time[8]; | |
1358 u_char modification_time[8]; | |
1359 u_char track_id[4]; | |
1360 u_char reserved1[4]; | |
1361 u_char duration[8]; | |
1362 u_char reserved2[8]; | |
1363 u_char layer[2]; | |
1364 u_char group[2]; | |
1365 u_char volume[2]; | |
1366 u_char reverved3[2]; | |
1367 u_char matrix[36]; | |
1368 u_char width[4]; | |
1369 u_char heigth[4]; | |
1370 } ngx_mp4_tkhd64_atom_t; | |
1371 | |
1372 | |
1373 static ngx_int_t | |
1374 ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1375 { | |
1376 u_char *atom_header; | |
1377 size_t atom_size; | |
1378 uint64_t duration; | |
1379 ngx_buf_t *atom; | |
1380 ngx_http_mp4_trak_t *trak; | |
1381 ngx_mp4_tkhd_atom_t *tkhd_atom; | |
1382 ngx_mp4_tkhd64_atom_t *tkhd64_atom; | |
1383 | |
1384 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 tkhd atom"); | |
1385 | |
1386 atom_header = ngx_mp4_atom_header(mp4); | |
1387 tkhd_atom = (ngx_mp4_tkhd_atom_t *) atom_header; | |
1388 tkhd64_atom = (ngx_mp4_tkhd64_atom_t *) atom_header; | |
1389 ngx_mp4_set_atom_name(tkhd_atom, 't', 'k', 'h', 'd'); | |
1390 | |
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1391 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd_atom_t) > atom_data_size) { |
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1392 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1393 "\"%s\" mp4 tkhd atom too small", mp4->file.name.data); |
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1394 return NGX_ERROR; |
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1395 } |
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1396 |
4085 | 1397 if (tkhd_atom->version[0] == 0) { |
1398 /* version 0: 32-bit duration */ | |
1399 duration = ngx_mp4_get_32value(tkhd_atom->duration); | |
1400 | |
1401 } else { | |
1402 /* version 1: 64-bit duration */ | |
4585
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1403 |
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1404 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd64_atom_t) > atom_data_size) { |
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1405 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1406 "\"%s\" mp4 tkhd atom too small", |
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1407 mp4->file.name.data); |
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1408 return NGX_ERROR; |
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1409 } |
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1410 |
4085 | 1411 duration = ngx_mp4_get_64value(tkhd64_atom->duration); |
1412 } | |
1413 | |
1414 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1415 "tkhd duration:%uL, time:%.3fs", | |
1416 duration, (double) duration / mp4->timescale); | |
1417 | |
1418 duration -= (uint64_t) mp4->start * mp4->timescale / 1000; | |
1419 | |
1420 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1421 "tkhd new duration:%uL, time:%.3fs", | |
1422 duration, (double) duration / mp4->timescale); | |
1423 | |
1424 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1425 | |
1426 trak = ngx_mp4_last_trak(mp4); | |
1427 trak->tkhd_size = atom_size; | |
1428 | |
1429 ngx_mp4_set_32value(tkhd_atom->size, atom_size); | |
1430 | |
1431 if (tkhd_atom->version[0] == 0) { | |
1432 ngx_mp4_set_32value(tkhd_atom->duration, duration); | |
1433 | |
1434 } else { | |
1435 ngx_mp4_set_64value(tkhd64_atom->duration, duration); | |
1436 } | |
1437 | |
1438 atom = &trak->tkhd_atom_buf; | |
1439 atom->temporary = 1; | |
1440 atom->pos = atom_header; | |
1441 atom->last = atom_header + atom_size; | |
1442 | |
1443 trak->out[NGX_HTTP_MP4_TKHD_ATOM].buf = atom; | |
1444 | |
1445 ngx_mp4_atom_next(mp4, atom_data_size); | |
1446 | |
1447 return NGX_OK; | |
1448 } | |
1449 | |
1450 | |
1451 static ngx_int_t | |
1452 ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1453 { | |
1454 u_char *atom_header; | |
1455 ngx_buf_t *atom; | |
1456 ngx_http_mp4_trak_t *trak; | |
1457 | |
1458 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process mdia atom"); | |
1459 | |
1460 atom_header = ngx_mp4_atom_header(mp4); | |
1461 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'i', 'a'); | |
1462 | |
1463 trak = ngx_mp4_last_trak(mp4); | |
1464 | |
1465 atom = &trak->mdia_atom_buf; | |
1466 atom->temporary = 1; | |
1467 atom->pos = atom_header; | |
1468 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1469 | |
1470 trak->out[NGX_HTTP_MP4_MDIA_ATOM].buf = atom; | |
1471 | |
1472 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_mdia_atoms, atom_data_size); | |
1473 } | |
1474 | |
1475 | |
1476 static void | |
1477 ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
1478 ngx_http_mp4_trak_t *trak) | |
1479 { | |
1480 ngx_buf_t *atom; | |
1481 | |
1482 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1483 atom = &trak->mdia_atom_buf; | |
1484 ngx_mp4_set_32value(atom->pos, trak->size); | |
1485 } | |
1486 | |
1487 | |
1488 typedef struct { | |
1489 u_char size[4]; | |
1490 u_char name[4]; | |
1491 u_char version[1]; | |
1492 u_char flags[3]; | |
1493 u_char creation_time[4]; | |
1494 u_char modification_time[4]; | |
1495 u_char timescale[4]; | |
1496 u_char duration[4]; | |
1497 u_char language[2]; | |
1498 u_char quality[2]; | |
1499 } ngx_mp4_mdhd_atom_t; | |
1500 | |
1501 typedef struct { | |
1502 u_char size[4]; | |
1503 u_char name[4]; | |
1504 u_char version[1]; | |
1505 u_char flags[3]; | |
1506 u_char creation_time[8]; | |
1507 u_char modification_time[8]; | |
1508 u_char timescale[4]; | |
1509 u_char duration[8]; | |
1510 u_char language[2]; | |
1511 u_char quality[2]; | |
1512 } ngx_mp4_mdhd64_atom_t; | |
1513 | |
1514 | |
1515 static ngx_int_t | |
1516 ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1517 { | |
1518 u_char *atom_header; | |
1519 size_t atom_size; | |
1520 uint32_t timescale; | |
1521 uint64_t duration; | |
1522 ngx_buf_t *atom; | |
1523 ngx_http_mp4_trak_t *trak; | |
1524 ngx_mp4_mdhd_atom_t *mdhd_atom; | |
1525 ngx_mp4_mdhd64_atom_t *mdhd64_atom; | |
1526 | |
1527 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdhd atom"); | |
1528 | |
1529 atom_header = ngx_mp4_atom_header(mp4); | |
1530 mdhd_atom = (ngx_mp4_mdhd_atom_t *) atom_header; | |
1531 mdhd64_atom = (ngx_mp4_mdhd64_atom_t *) atom_header; | |
1532 ngx_mp4_set_atom_name(mdhd_atom, 'm', 'd', 'h', 'd'); | |
1533 | |
4585
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1534 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd_atom_t) > atom_data_size) { |
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1535 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1536 "\"%s\" mp4 mdhd atom too small", mp4->file.name.data); |
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1537 return NGX_ERROR; |
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1538 } |
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1539 |
4085 | 1540 if (mdhd_atom->version[0] == 0) { |
1541 /* version 0: everything is 32-bit */ | |
1542 timescale = ngx_mp4_get_32value(mdhd_atom->timescale); | |
1543 duration = ngx_mp4_get_32value(mdhd_atom->duration); | |
1544 | |
1545 } else { | |
1546 /* version 1: 64-bit duration and 32-bit timescale */ | |
4585
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1547 |
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1548 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd64_atom_t) > atom_data_size) { |
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1549 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1550 "\"%s\" mp4 mdhd atom too small", |
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1551 mp4->file.name.data); |
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1552 return NGX_ERROR; |
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1553 } |
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1554 |
4085 | 1555 timescale = ngx_mp4_get_32value(mdhd64_atom->timescale); |
1556 duration = ngx_mp4_get_64value(mdhd64_atom->duration); | |
1557 } | |
1558 | |
1559 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1560 "mdhd timescale:%uD, duration:%uL, time:%.3fs", | |
1561 timescale, duration, (double) duration / timescale); | |
1562 | |
1563 duration -= (uint64_t) mp4->start * timescale / 1000; | |
1564 | |
1565 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1566 "mdhd new duration:%uL, time:%.3fs", | |
1567 duration, (double) duration / timescale); | |
1568 | |
1569 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1570 | |
1571 trak = ngx_mp4_last_trak(mp4); | |
1572 trak->mdhd_size = atom_size; | |
1573 trak->timescale = timescale; | |
1574 | |
1575 ngx_mp4_set_32value(mdhd_atom->size, atom_size); | |
1576 | |
1577 if (mdhd_atom->version[0] == 0) { | |
1578 ngx_mp4_set_32value(mdhd_atom->duration, duration); | |
1579 | |
1580 } else { | |
1581 ngx_mp4_set_64value(mdhd64_atom->duration, duration); | |
1582 } | |
1583 | |
1584 atom = &trak->mdhd_atom_buf; | |
1585 atom->temporary = 1; | |
1586 atom->pos = atom_header; | |
1587 atom->last = atom_header + atom_size; | |
1588 | |
1589 trak->out[NGX_HTTP_MP4_MDHD_ATOM].buf = atom; | |
1590 | |
1591 ngx_mp4_atom_next(mp4, atom_data_size); | |
1592 | |
1593 return NGX_OK; | |
1594 } | |
1595 | |
1596 | |
1597 static ngx_int_t | |
1598 ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1599 { | |
1600 u_char *atom_header; | |
1601 size_t atom_size; | |
1602 ngx_buf_t *atom; | |
1603 ngx_http_mp4_trak_t *trak; | |
1604 | |
1605 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 hdlr atom"); | |
1606 | |
1607 atom_header = ngx_mp4_atom_header(mp4); | |
1608 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1609 ngx_mp4_set_32value(atom_header, atom_size); | |
1610 ngx_mp4_set_atom_name(atom_header, 'h', 'd', 'l', 'r'); | |
1611 | |
1612 trak = ngx_mp4_last_trak(mp4); | |
1613 | |
1614 atom = &trak->hdlr_atom_buf; | |
1615 atom->temporary = 1; | |
1616 atom->pos = atom_header; | |
1617 atom->last = atom_header + atom_size; | |
1618 | |
1619 trak->hdlr_size = atom_size; | |
1620 trak->out[NGX_HTTP_MP4_HDLR_ATOM].buf = atom; | |
1621 | |
1622 ngx_mp4_atom_next(mp4, atom_data_size); | |
1623 | |
1624 return NGX_OK; | |
1625 } | |
1626 | |
1627 | |
1628 static ngx_int_t | |
1629 ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1630 { | |
1631 u_char *atom_header; | |
1632 ngx_buf_t *atom; | |
1633 ngx_http_mp4_trak_t *trak; | |
1634 | |
1635 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process minf atom"); | |
1636 | |
1637 atom_header = ngx_mp4_atom_header(mp4); | |
1638 ngx_mp4_set_atom_name(atom_header, 'm', 'i', 'n', 'f'); | |
1639 | |
1640 trak = ngx_mp4_last_trak(mp4); | |
1641 | |
1642 atom = &trak->minf_atom_buf; | |
1643 atom->temporary = 1; | |
1644 atom->pos = atom_header; | |
1645 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1646 | |
1647 trak->out[NGX_HTTP_MP4_MINF_ATOM].buf = atom; | |
1648 | |
1649 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_minf_atoms, atom_data_size); | |
1650 } | |
1651 | |
1652 | |
1653 static void | |
1654 ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
1655 ngx_http_mp4_trak_t *trak) | |
1656 { | |
1657 ngx_buf_t *atom; | |
1658 | |
1659 trak->size += sizeof(ngx_mp4_atom_header_t) | |
1660 + trak->vmhd_size | |
1661 + trak->smhd_size | |
1662 + trak->dinf_size; | |
1663 atom = &trak->minf_atom_buf; | |
1664 ngx_mp4_set_32value(atom->pos, trak->size); | |
1665 } | |
1666 | |
1667 | |
1668 static ngx_int_t | |
1669 ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1670 { | |
1671 u_char *atom_header; | |
1672 size_t atom_size; | |
1673 ngx_buf_t *atom; | |
1674 ngx_http_mp4_trak_t *trak; | |
1675 | |
1676 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 vmhd atom"); | |
1677 | |
1678 atom_header = ngx_mp4_atom_header(mp4); | |
1679 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1680 ngx_mp4_set_32value(atom_header, atom_size); | |
1681 ngx_mp4_set_atom_name(atom_header, 'v', 'm', 'h', 'd'); | |
1682 | |
1683 trak = ngx_mp4_last_trak(mp4); | |
1684 | |
1685 atom = &trak->vmhd_atom_buf; | |
1686 atom->temporary = 1; | |
1687 atom->pos = atom_header; | |
1688 atom->last = atom_header + atom_size; | |
1689 | |
1690 trak->vmhd_size += atom_size; | |
1691 trak->out[NGX_HTTP_MP4_VMHD_ATOM].buf = atom; | |
1692 | |
1693 ngx_mp4_atom_next(mp4, atom_data_size); | |
1694 | |
1695 return NGX_OK; | |
1696 } | |
1697 | |
1698 | |
1699 static ngx_int_t | |
1700 ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1701 { | |
1702 u_char *atom_header; | |
1703 size_t atom_size; | |
1704 ngx_buf_t *atom; | |
1705 ngx_http_mp4_trak_t *trak; | |
1706 | |
1707 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 smhd atom"); | |
1708 | |
1709 atom_header = ngx_mp4_atom_header(mp4); | |
1710 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1711 ngx_mp4_set_32value(atom_header, atom_size); | |
1712 ngx_mp4_set_atom_name(atom_header, 's', 'm', 'h', 'd'); | |
1713 | |
1714 trak = ngx_mp4_last_trak(mp4); | |
1715 | |
1716 atom = &trak->smhd_atom_buf; | |
1717 atom->temporary = 1; | |
1718 atom->pos = atom_header; | |
1719 atom->last = atom_header + atom_size; | |
1720 | |
1721 trak->vmhd_size += atom_size; | |
1722 trak->out[NGX_HTTP_MP4_SMHD_ATOM].buf = atom; | |
1723 | |
1724 ngx_mp4_atom_next(mp4, atom_data_size); | |
1725 | |
1726 return NGX_OK; | |
1727 } | |
1728 | |
1729 | |
1730 static ngx_int_t | |
1731 ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1732 { | |
1733 u_char *atom_header; | |
1734 size_t atom_size; | |
1735 ngx_buf_t *atom; | |
1736 ngx_http_mp4_trak_t *trak; | |
1737 | |
1738 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 dinf atom"); | |
1739 | |
1740 atom_header = ngx_mp4_atom_header(mp4); | |
1741 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1742 ngx_mp4_set_32value(atom_header, atom_size); | |
1743 ngx_mp4_set_atom_name(atom_header, 'd', 'i', 'n', 'f'); | |
1744 | |
1745 trak = ngx_mp4_last_trak(mp4); | |
1746 | |
1747 atom = &trak->dinf_atom_buf; | |
1748 atom->temporary = 1; | |
1749 atom->pos = atom_header; | |
1750 atom->last = atom_header + atom_size; | |
1751 | |
1752 trak->dinf_size += atom_size; | |
1753 trak->out[NGX_HTTP_MP4_DINF_ATOM].buf = atom; | |
1754 | |
1755 ngx_mp4_atom_next(mp4, atom_data_size); | |
1756 | |
1757 return NGX_OK; | |
1758 } | |
1759 | |
1760 | |
1761 static ngx_int_t | |
1762 ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1763 { | |
1764 u_char *atom_header; | |
1765 ngx_buf_t *atom; | |
1766 ngx_http_mp4_trak_t *trak; | |
1767 | |
1768 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process stbl atom"); | |
1769 | |
1770 atom_header = ngx_mp4_atom_header(mp4); | |
1771 ngx_mp4_set_atom_name(atom_header, 's', 't', 'b', 'l'); | |
1772 | |
1773 trak = ngx_mp4_last_trak(mp4); | |
1774 | |
1775 atom = &trak->stbl_atom_buf; | |
1776 atom->temporary = 1; | |
1777 atom->pos = atom_header; | |
1778 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1779 | |
1780 trak->out[NGX_HTTP_MP4_STBL_ATOM].buf = atom; | |
1781 | |
1782 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_stbl_atoms, atom_data_size); | |
1783 } | |
1784 | |
1785 | |
1786 static void | |
1787 ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
1788 ngx_http_mp4_trak_t *trak) | |
1789 { | |
1790 ngx_buf_t *atom; | |
1791 | |
1792 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1793 atom = &trak->stbl_atom_buf; | |
1794 ngx_mp4_set_32value(atom->pos, trak->size); | |
1795 } | |
1796 | |
1797 | |
1798 typedef struct { | |
1799 u_char size[4]; | |
1800 u_char name[4]; | |
1801 u_char version[1]; | |
1802 u_char flags[3]; | |
1803 u_char entries[4]; | |
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1804 |
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1805 u_char media_size[4]; |
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1806 u_char media_name[4]; |
4085 | 1807 } ngx_mp4_stsd_atom_t; |
1808 | |
1809 | |
1810 static ngx_int_t | |
1811 ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1812 { | |
1813 u_char *atom_header, *atom_table; | |
1814 size_t atom_size; | |
1815 ngx_buf_t *atom; | |
1816 ngx_mp4_stsd_atom_t *stsd_atom; | |
1817 ngx_http_mp4_trak_t *trak; | |
1818 | |
1819 /* sample description atom */ | |
1820 | |
1821 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsd atom"); | |
1822 | |
1823 atom_header = ngx_mp4_atom_header(mp4); | |
1824 stsd_atom = (ngx_mp4_stsd_atom_t *) atom_header; | |
1825 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1826 atom_table = atom_header + atom_size; | |
1827 ngx_mp4_set_32value(stsd_atom->size, atom_size); | |
1828 ngx_mp4_set_atom_name(stsd_atom, 's', 't', 's', 'd'); | |
1829 | |
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1830 if (ngx_mp4_atom_data_size(ngx_mp4_stsd_atom_t) > atom_data_size) { |
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1831 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1832 "\"%s\" mp4 stsd atom too small", mp4->file.name.data); |
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1833 return NGX_ERROR; |
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1834 } |
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1835 |
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1836 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1837 "stsd entries:%uD, media:%*s", |
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1838 ngx_mp4_get_32value(stsd_atom->entries), |
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1839 4, stsd_atom->media_name); |
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1840 |
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1841 /* supported media format: "avc1" (H.264) and "mp4a" (MPEG-4/AAC) */ |
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1842 |
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1843 if (ngx_strncmp(stsd_atom->media_name, "avc1", 4) != 0 |
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1844 && ngx_strncmp(stsd_atom->media_name, "mp4a", 4) != 0) |
4085 | 1845 { |
4099
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1846 return NGX_DECLINED; |
4085 | 1847 } |
1848 | |
1849 trak = ngx_mp4_last_trak(mp4); | |
1850 | |
1851 atom = &trak->stsd_atom_buf; | |
1852 atom->temporary = 1; | |
1853 atom->pos = atom_header; | |
1854 atom->last = atom_table; | |
1855 | |
1856 trak->out[NGX_HTTP_MP4_STSD_ATOM].buf = atom; | |
1857 trak->size += atom_size; | |
1858 | |
1859 ngx_mp4_atom_next(mp4, atom_data_size); | |
1860 | |
1861 return NGX_OK; | |
1862 } | |
1863 | |
1864 | |
1865 typedef struct { | |
1866 u_char size[4]; | |
1867 u_char name[4]; | |
1868 u_char version[1]; | |
1869 u_char flags[3]; | |
1870 u_char entries[4]; | |
1871 } ngx_mp4_stts_atom_t; | |
1872 | |
1873 typedef struct { | |
1874 u_char count[4]; | |
1875 u_char duration[4]; | |
1876 } ngx_mp4_stts_entry_t; | |
1877 | |
1878 | |
1879 static ngx_int_t | |
1880 ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1881 { | |
1882 u_char *atom_header, *atom_table, *atom_end; | |
1883 uint32_t entries; | |
1884 ngx_buf_t *atom, *data; | |
1885 ngx_mp4_stts_atom_t *stts_atom; | |
1886 ngx_http_mp4_trak_t *trak; | |
1887 | |
1888 /* time-to-sample atom */ | |
1889 | |
1890 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stts atom"); | |
1891 | |
1892 atom_header = ngx_mp4_atom_header(mp4); | |
1893 stts_atom = (ngx_mp4_stts_atom_t *) atom_header; | |
1894 ngx_mp4_set_atom_name(stts_atom, 's', 't', 't', 's'); | |
1895 | |
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1896 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) > atom_data_size) { |
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1897 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1898 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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1899 return NGX_ERROR; |
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1900 } |
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1901 |
4085 | 1902 entries = ngx_mp4_get_32value(stts_atom->entries); |
1903 | |
1904 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 1905 "mp4 time-to-sample entries:%uD", entries); |
4085 | 1906 |
4585
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1907 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) |
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1908 + entries * sizeof(ngx_mp4_stts_entry_t) > atom_data_size) |
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1909 { |
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1910 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1911 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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1912 return NGX_ERROR; |
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1913 } |
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1914 |
4085 | 1915 atom_table = atom_header + sizeof(ngx_mp4_stts_atom_t); |
1916 atom_end = atom_table + entries * sizeof(ngx_mp4_stts_entry_t); | |
1917 | |
1918 trak = ngx_mp4_last_trak(mp4); | |
1919 trak->time_to_sample_entries = entries; | |
1920 | |
1921 atom = &trak->stts_atom_buf; | |
1922 atom->temporary = 1; | |
1923 atom->pos = atom_header; | |
1924 atom->last = atom_table; | |
1925 | |
1926 data = &trak->stts_data_buf; | |
1927 data->temporary = 1; | |
1928 data->pos = atom_table; | |
1929 data->last = atom_end; | |
1930 | |
1931 trak->out[NGX_HTTP_MP4_STTS_ATOM].buf = atom; | |
1932 trak->out[NGX_HTTP_MP4_STTS_DATA].buf = data; | |
1933 | |
1934 ngx_mp4_atom_next(mp4, atom_data_size); | |
1935 | |
1936 return NGX_OK; | |
1937 } | |
1938 | |
1939 | |
1940 static ngx_int_t | |
1941 ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
1942 ngx_http_mp4_trak_t *trak) | |
1943 { | |
1944 size_t atom_size; | |
1945 uint32_t entries, count, duration; | |
1946 uint64_t start_time; | |
1947 ngx_buf_t *atom, *data; | |
1948 ngx_uint_t start_sample; | |
1949 ngx_mp4_stts_atom_t *stts_atom; | |
1950 ngx_mp4_stts_entry_t *entry, *end; | |
1951 | |
1952 /* | |
1953 * mdia.minf.stbl.stts updating requires trak->timescale | |
1954 * from mdia.mdhd atom which may reside after mdia.minf | |
1955 */ | |
1956 | |
1957 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1958 "mp4 stts atom update"); | |
1959 | |
1960 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; | |
1961 | |
1962 if (data == NULL) { | |
1963 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
1964 "no mp4 stts atoms were found in \"%s\"", | |
1965 mp4->file.name.data); | |
1966 return NGX_ERROR; | |
1967 } | |
1968 | |
1969 entries = trak->time_to_sample_entries; | |
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1970 start_time = (uint64_t) mp4->start * trak->timescale / 1000; |
4085 | 1971 |
1972 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 1973 "time-to-sample start_time:%uL", start_time); |
4085 | 1974 |
1975 start_sample = 0; | |
1976 entry = (ngx_mp4_stts_entry_t *) data->pos; | |
1977 end = (ngx_mp4_stts_entry_t *) data->last; | |
1978 | |
1979 while (entry < end) { | |
1980 count = ngx_mp4_get_32value(entry->count); | |
1981 duration = ngx_mp4_get_32value(entry->duration); | |
1982 | |
1983 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1984 "count:%uD, duration:%uD", count, duration); | |
1985 | |
4306 | 1986 if (start_time < (uint64_t) count * duration) { |
4085 | 1987 start_sample += (ngx_uint_t) (start_time / duration); |
4578 | 1988 count -= (uint32_t) (start_time / duration); |
4085 | 1989 ngx_mp4_set_32value(entry->count, count); |
1990 goto found; | |
1991 } | |
1992 | |
1993 start_sample += count; | |
1994 start_time -= count * duration; | |
1995 entries--; | |
1996 entry++; | |
1997 } | |
1998 | |
1999 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
4094 | 2000 "start time is out mp4 stts samples in \"%s\"", |
4085 | 2001 mp4->file.name.data); |
2002 | |
2003 return NGX_ERROR; | |
2004 | |
2005 found: | |
2006 | |
2007 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2008 "start_sample:%ui, new count:%uD", start_sample, count); | |
2009 | |
2010 trak->start_sample = start_sample; | |
2011 | |
2012 data->pos = (u_char *) entry; | |
2013 atom_size = sizeof(ngx_mp4_stts_atom_t) + (data->last - data->pos); | |
2014 trak->size += atom_size; | |
2015 | |
2016 atom = trak->out[NGX_HTTP_MP4_STTS_ATOM].buf; | |
2017 stts_atom = (ngx_mp4_stts_atom_t *) atom->pos; | |
2018 ngx_mp4_set_32value(stts_atom->size, atom_size); | |
2019 ngx_mp4_set_32value(stts_atom->entries, entries); | |
2020 | |
2021 return NGX_OK; | |
2022 } | |
2023 | |
2024 | |
2025 typedef struct { | |
2026 u_char size[4]; | |
2027 u_char name[4]; | |
2028 u_char version[1]; | |
2029 u_char flags[3]; | |
2030 u_char entries[4]; | |
2031 } ngx_http_mp4_stss_atom_t; | |
2032 | |
2033 | |
2034 static ngx_int_t | |
2035 ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2036 { | |
2037 u_char *atom_header, *atom_table, *atom_end; | |
2038 uint32_t entries; | |
2039 ngx_buf_t *atom, *data; | |
2040 ngx_http_mp4_trak_t *trak; | |
2041 ngx_http_mp4_stss_atom_t *stss_atom; | |
2042 | |
2043 /* sync samples atom */ | |
2044 | |
2045 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stss atom"); | |
2046 | |
2047 atom_header = ngx_mp4_atom_header(mp4); | |
2048 stss_atom = (ngx_http_mp4_stss_atom_t *) atom_header; | |
2049 ngx_mp4_set_atom_name(stss_atom, 's', 't', 's', 's'); | |
2050 | |
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2051 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) > atom_data_size) { |
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2052 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2053 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
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2054 return NGX_ERROR; |
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2055 } |
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2056 |
4085 | 2057 entries = ngx_mp4_get_32value(stss_atom->entries); |
2058 | |
2059 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2060 "sync sample entries:%uD", entries); |
4085 | 2061 |
2062 trak = ngx_mp4_last_trak(mp4); | |
2063 trak->sync_samples_entries = entries; | |
2064 | |
2065 atom_table = atom_header + sizeof(ngx_http_mp4_stss_atom_t); | |
2066 | |
2067 atom = &trak->stss_atom_buf; | |
2068 atom->temporary = 1; | |
2069 atom->pos = atom_header; | |
2070 atom->last = atom_table; | |
2071 | |
4585
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2072 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) |
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2073 + entries * sizeof(uint32_t) > atom_data_size) |
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2074 { |
4085 | 2075 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
4585
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2076 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
4085 | 2077 return NGX_ERROR; |
2078 } | |
2079 | |
4585
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2080 atom_end = atom_table + entries * sizeof(uint32_t); |
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2081 |
4085 | 2082 data = &trak->stss_data_buf; |
2083 data->temporary = 1; | |
2084 data->pos = atom_table; | |
2085 data->last = atom_end; | |
2086 | |
2087 trak->out[NGX_HTTP_MP4_STSS_ATOM].buf = atom; | |
2088 trak->out[NGX_HTTP_MP4_STSS_DATA].buf = data; | |
2089 | |
2090 ngx_mp4_atom_next(mp4, atom_data_size); | |
2091 | |
2092 return NGX_OK; | |
2093 } | |
2094 | |
2095 | |
2096 static ngx_int_t | |
2097 ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
2098 ngx_http_mp4_trak_t *trak) | |
2099 { | |
2100 size_t atom_size; | |
2101 uint32_t entries, sample, start_sample, *entry, *end; | |
2102 ngx_buf_t *atom, *data; | |
2103 ngx_http_mp4_stss_atom_t *stss_atom; | |
2104 | |
2105 /* | |
2106 * mdia.minf.stbl.stss updating requires trak->start_sample | |
2107 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2108 * atom which may reside after mdia.minf | |
2109 */ | |
2110 | |
2111 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2112 "mp4 stss atom update"); | |
2113 | |
2114 data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; | |
2115 | |
2116 if (data == NULL) { | |
2117 return NGX_OK; | |
2118 } | |
2119 | |
2120 /* sync samples starts from 1 */ | |
2121 start_sample = trak->start_sample + 1; | |
2122 entries = trak->sync_samples_entries; | |
2123 | |
2124 entry = (uint32_t *) data->pos; | |
2125 end = (uint32_t *) data->last; | |
2126 | |
2127 while (entry < end) { | |
2128 sample = ngx_mp4_get_32value(entry); | |
2129 | |
2130 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2131 "start:%uD, sync:%uD", start_sample, sample); | |
2132 | |
2133 if (sample >= start_sample) { | |
2134 goto found; | |
2135 } | |
2136 | |
2137 entries--; | |
2138 entry++; | |
2139 } | |
2140 | |
2141 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2142 "start sample is out of mp4 stss atom in \"%s\"", | |
2143 mp4->file.name.data); | |
2144 | |
2145 return NGX_ERROR; | |
2146 | |
2147 found: | |
2148 | |
2149 data->pos = (u_char *) entry; | |
2150 | |
2151 start_sample = trak->start_sample; | |
2152 | |
2153 while (entry < end) { | |
2154 sample = ngx_mp4_get_32value(entry); | |
2155 sample -= start_sample; | |
2156 ngx_mp4_set_32value(entry, sample); | |
2157 entry++; | |
2158 } | |
2159 | |
2160 atom_size = sizeof(ngx_http_mp4_stss_atom_t) + (data->last - data->pos); | |
2161 trak->size += atom_size; | |
2162 | |
2163 atom = trak->out[NGX_HTTP_MP4_STSS_ATOM].buf; | |
2164 stss_atom = (ngx_http_mp4_stss_atom_t *) atom->pos; | |
2165 | |
2166 ngx_mp4_set_32value(stss_atom->size, atom_size); | |
2167 ngx_mp4_set_32value(stss_atom->entries, entries); | |
2168 | |
2169 return NGX_OK; | |
2170 } | |
2171 | |
2172 | |
2173 typedef struct { | |
2174 u_char size[4]; | |
2175 u_char name[4]; | |
2176 u_char version[1]; | |
2177 u_char flags[3]; | |
2178 u_char entries[4]; | |
2179 } ngx_mp4_ctts_atom_t; | |
2180 | |
2181 typedef struct { | |
2182 u_char count[4]; | |
2183 u_char offset[4]; | |
2184 } ngx_mp4_ctts_entry_t; | |
2185 | |
2186 | |
2187 static ngx_int_t | |
2188 ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2189 { | |
2190 u_char *atom_header, *atom_table, *atom_end; | |
2191 uint32_t entries; | |
2192 ngx_buf_t *atom, *data; | |
2193 ngx_mp4_ctts_atom_t *ctts_atom; | |
2194 ngx_http_mp4_trak_t *trak; | |
2195 | |
2196 /* composition offsets atom */ | |
2197 | |
2198 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ctts atom"); | |
2199 | |
2200 atom_header = ngx_mp4_atom_header(mp4); | |
2201 ctts_atom = (ngx_mp4_ctts_atom_t *) atom_header; | |
2202 ngx_mp4_set_atom_name(ctts_atom, 'c', 't', 't', 's'); | |
2203 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2204 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2205 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2206 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2207 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2208 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2209 |
4085 | 2210 entries = ngx_mp4_get_32value(ctts_atom->entries); |
2211 | |
2212 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2213 "composition offset entries:%uD", entries); |
4085 | 2214 |
2215 trak = ngx_mp4_last_trak(mp4); | |
2216 trak->composition_offset_entries = entries; | |
2217 | |
2218 atom_table = atom_header + sizeof(ngx_mp4_ctts_atom_t); | |
2219 | |
2220 atom = &trak->ctts_atom_buf; | |
2221 atom->temporary = 1; | |
2222 atom->pos = atom_header; | |
2223 atom->last = atom_table; | |
2224 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2225 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2226 + entries * sizeof(ngx_mp4_ctts_entry_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2227 { |
4085 | 2228 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
|
2229 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
4085 | 2230 return NGX_ERROR; |
2231 } | |
2232 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2233 atom_end = atom_table + entries * sizeof(ngx_mp4_ctts_entry_t); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2234 |
4085 | 2235 data = &trak->ctts_data_buf; |
2236 data->temporary = 1; | |
2237 data->pos = atom_table; | |
2238 data->last = atom_end; | |
2239 | |
2240 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = atom; | |
2241 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = data; | |
2242 | |
2243 ngx_mp4_atom_next(mp4, atom_data_size); | |
2244 | |
2245 return NGX_OK; | |
2246 } | |
2247 | |
2248 | |
2249 static void | |
2250 ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
2251 ngx_http_mp4_trak_t *trak) | |
2252 { | |
2253 size_t atom_size; | |
2254 uint32_t entries, count, start_sample; | |
2255 ngx_buf_t *atom, *data; | |
2256 ngx_mp4_ctts_atom_t *ctts_atom; | |
2257 ngx_mp4_ctts_entry_t *entry, *end; | |
2258 | |
2259 /* | |
2260 * mdia.minf.stbl.ctts updating requires trak->start_sample | |
2261 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2262 * atom which may reside after mdia.minf | |
2263 */ | |
2264 | |
2265 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2266 "mp4 ctts atom update"); | |
2267 | |
2268 data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf; | |
2269 | |
2270 if (data == NULL) { | |
2271 return; | |
2272 } | |
2273 | |
2274 /* sync samples starts from 1 */ | |
2275 start_sample = trak->start_sample + 1; | |
2276 entries = trak->composition_offset_entries; | |
2277 entry = (ngx_mp4_ctts_entry_t *) data->pos; | |
2278 end = (ngx_mp4_ctts_entry_t *) data->last; | |
2279 | |
2280 while (entry < end) { | |
2281 count = ngx_mp4_get_32value(entry->count); | |
2282 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
2283 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 2284 "start:%uD, count:%uD, offset:%uD", |
2285 start_sample, count, ngx_mp4_get_32value(entry->offset)); | |
2286 | |
2287 if (start_sample <= count) { | |
2288 count -= (start_sample - 1); | |
2289 ngx_mp4_set_32value(entry->count, count); | |
2290 goto found; | |
2291 } | |
2292 | |
2293 start_sample -= count; | |
2294 entries--; | |
2295 entry++; | |
2296 } | |
2297 | |
2298 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = NULL; | |
2299 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = NULL; | |
2300 | |
2301 return; | |
2302 | |
2303 found: | |
2304 | |
2305 data->pos = (u_char *) entry; | |
2306 atom_size = sizeof(ngx_mp4_ctts_atom_t) + (data->last - data->pos); | |
2307 trak->size += atom_size; | |
2308 | |
2309 atom = trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf; | |
2310 ctts_atom = (ngx_mp4_ctts_atom_t *) atom->pos; | |
2311 | |
2312 ngx_mp4_set_32value(ctts_atom->size, atom_size); | |
2313 ngx_mp4_set_32value(ctts_atom->entries, entries); | |
2314 | |
2315 return; | |
2316 } | |
2317 | |
2318 | |
2319 typedef struct { | |
2320 u_char size[4]; | |
2321 u_char name[4]; | |
2322 u_char version[1]; | |
2323 u_char flags[3]; | |
2324 u_char entries[4]; | |
2325 } ngx_mp4_stsc_atom_t; | |
2326 | |
2327 | |
2328 static ngx_int_t | |
2329 ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2330 { | |
2331 u_char *atom_header, *atom_table, *atom_end; | |
2332 uint32_t entries; | |
2333 ngx_buf_t *atom, *data; | |
2334 ngx_mp4_stsc_atom_t *stsc_atom; | |
2335 ngx_http_mp4_trak_t *trak; | |
2336 | |
2337 /* sample-to-chunk atom */ | |
2338 | |
2339 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsc atom"); | |
2340 | |
2341 atom_header = ngx_mp4_atom_header(mp4); | |
2342 stsc_atom = (ngx_mp4_stsc_atom_t *) atom_header; | |
2343 ngx_mp4_set_atom_name(stsc_atom, 's', 't', 's', 'c'); | |
2344 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2345 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
|
2346 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2347 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2348 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2349 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2350 |
4085 | 2351 entries = ngx_mp4_get_32value(stsc_atom->entries); |
2352 | |
2353 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2354 "sample-to-chunk entries:%uD", entries); |
4085 | 2355 |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2356 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
|
2357 + entries * sizeof(ngx_mp4_stsc_entry_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2358 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2359 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2360 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2361 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2362 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2363 |
4085 | 2364 atom_table = atom_header + sizeof(ngx_mp4_stsc_atom_t); |
2365 atom_end = atom_table + entries * sizeof(ngx_mp4_stsc_entry_t); | |
2366 | |
2367 trak = ngx_mp4_last_trak(mp4); | |
2368 trak->sample_to_chunk_entries = entries; | |
2369 | |
2370 atom = &trak->stsc_atom_buf; | |
2371 atom->temporary = 1; | |
2372 atom->pos = atom_header; | |
2373 atom->last = atom_table; | |
2374 | |
2375 data = &trak->stsc_data_buf; | |
2376 data->temporary = 1; | |
2377 data->pos = atom_table; | |
2378 data->last = atom_end; | |
2379 | |
2380 trak->out[NGX_HTTP_MP4_STSC_ATOM].buf = atom; | |
2381 trak->out[NGX_HTTP_MP4_STSC_DATA].buf = data; | |
2382 | |
2383 ngx_mp4_atom_next(mp4, atom_data_size); | |
2384 | |
2385 return NGX_OK; | |
2386 } | |
2387 | |
2388 | |
2389 static ngx_int_t | |
2390 ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
2391 ngx_http_mp4_trak_t *trak) | |
2392 { | |
2393 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
|
2394 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
|
2395 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
|
2396 ngx_buf_t *atom, *data, *buf; |
4085 | 2397 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
|
2398 ngx_mp4_stsc_entry_t *entry, *first, *end; |
4085 | 2399 |
2400 /* | |
2401 * mdia.minf.stbl.stsc updating requires trak->start_sample | |
2402 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2403 * atom which may reside after mdia.minf | |
2404 */ | |
2405 | |
2406 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2407 "mp4 stsc atom update"); | |
2408 | |
2409 data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf; | |
2410 | |
2411 if (data == NULL) { | |
2412 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2413 "no mp4 stsc atoms were found in \"%s\"", | |
2414 mp4->file.name.data); | |
2415 return NGX_ERROR; | |
2416 } | |
2417 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2418 if (trak->sample_to_chunk_entries == 0) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2419 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2420 "zero number of entries in stsc atom in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2421 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2422 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2423 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2424 |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2425 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
|
2426 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
|
2427 |
4085 | 2428 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
2429 end = (ngx_mp4_stsc_entry_t *) data->last; | |
2430 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2431 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
|
2432 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
|
2433 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
|
2434 entry++; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2435 |
4085 | 2436 while (entry < end) { |
2437 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2438 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
|
2439 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2440 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
|
2441 "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
|
2442 "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
|
2443 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
|
2444 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2445 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
|
2446 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2447 if (start_sample <= n) { |
4085 | 2448 goto found; |
2449 } | |
2450 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2451 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
|
2452 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2453 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
|
2454 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
|
2455 id = ngx_mp4_get_32value(entry->id); |
4085 | 2456 entries--; |
2457 entry++; | |
2458 } | |
2459 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2460 next_chunk = trak->chunks; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2461 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2462 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
|
2463 "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
|
2464 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
|
2465 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2466 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
|
2467 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2468 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
|
2469 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
|
2470 "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
|
2471 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
|
2472 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
|
2473 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2474 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2475 found: |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2476 |
4085 | 2477 entries++; |
2478 entry--; | |
2479 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2480 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
|
2481 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
|
2482 "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
|
2483 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
|
2484 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
|
2485 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2486 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2487 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
|
2488 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2489 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
|
2490 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
|
2491 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2492 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
|
2493 "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
|
2494 trak->start_chunk, trak->chunk_samples); |
4085 | 2495 |
2496 data->pos = (u_char *) entry; | |
2497 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
|
2498 |
4382
b4d54fa76853
Fixed mp4 if first entry in stsc was skipped (ticket #72).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4306
diff
changeset
|
2499 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
|
2500 |
4727
1c7616100797
Merge of r4688, r4689, r4706:
Maxim Dounin <mdounin@mdounin.ru>
parents:
4659
diff
changeset
|
2501 if (trak->chunk_samples && next_chunk - trak->start_chunk == 2) { |
1c7616100797
Merge of r4688, r4689, r4706:
Maxim Dounin <mdounin@mdounin.ru>
parents:
4659
diff
changeset
|
2502 |
1c7616100797
Merge of r4688, r4689, r4706:
Maxim Dounin <mdounin@mdounin.ru>
parents:
4659
diff
changeset
|
2503 /* last chunk in the entry */ |
1c7616100797
Merge of r4688, r4689, r4706:
Maxim Dounin <mdounin@mdounin.ru>
parents:
4659
diff
changeset
|
2504 |
1c7616100797
Merge of r4688, r4689, r4706:
Maxim Dounin <mdounin@mdounin.ru>
parents:
4659
diff
changeset
|
2505 ngx_mp4_set_32value(entry->samples, samples - trak->chunk_samples); |
1c7616100797
Merge of r4688, r4689, r4706:
Maxim Dounin <mdounin@mdounin.ru>
parents:
4659
diff
changeset
|
2506 |
1c7616100797
Merge of r4688, r4689, r4706:
Maxim Dounin <mdounin@mdounin.ru>
parents:
4659
diff
changeset
|
2507 } 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
|
2508 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2509 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
|
2510 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
|
2511 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
|
2512 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
|
2513 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2514 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
|
2515 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
|
2516 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
|
2517 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
|
2518 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2519 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
|
2520 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2521 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
|
2522 |
4727
1c7616100797
Merge of r4688, r4689, r4706:
Maxim Dounin <mdounin@mdounin.ru>
parents:
4659
diff
changeset
|
2523 entries++; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2524 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
|
2525 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2526 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2527 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
|
2528 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
|
2529 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
|
2530 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
|
2531 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2532 |
4085 | 2533 trak->size += atom_size; |
2534 | |
2535 atom = trak->out[NGX_HTTP_MP4_STSC_ATOM].buf; | |
2536 stsc_atom = (ngx_mp4_stsc_atom_t *) atom->pos; | |
2537 | |
2538 ngx_mp4_set_32value(stsc_atom->size, atom_size); | |
2539 ngx_mp4_set_32value(stsc_atom->entries, entries); | |
2540 | |
2541 return NGX_OK; | |
2542 } | |
2543 | |
2544 | |
2545 typedef struct { | |
2546 u_char size[4]; | |
2547 u_char name[4]; | |
2548 u_char version[1]; | |
2549 u_char flags[3]; | |
2550 u_char uniform_size[4]; | |
2551 u_char entries[4]; | |
2552 } ngx_mp4_stsz_atom_t; | |
2553 | |
2554 | |
2555 static ngx_int_t | |
2556 ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2557 { | |
2558 u_char *atom_header, *atom_table, *atom_end; | |
2559 size_t atom_size; | |
2560 uint32_t entries, size; | |
2561 ngx_buf_t *atom, *data; | |
2562 ngx_mp4_stsz_atom_t *stsz_atom; | |
2563 ngx_http_mp4_trak_t *trak; | |
2564 | |
2565 /* sample sizes atom */ | |
2566 | |
2567 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsz atom"); | |
2568 | |
2569 atom_header = ngx_mp4_atom_header(mp4); | |
2570 stsz_atom = (ngx_mp4_stsz_atom_t *) atom_header; | |
2571 ngx_mp4_set_atom_name(stsz_atom, 's', 't', 's', 'z'); | |
2572 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2573 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
|
2574 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2575 "\"%s\" mp4 stsz atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2576 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2577 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2578 |
4085 | 2579 size = ngx_mp4_get_32value(stsz_atom->uniform_size); |
2580 entries = ngx_mp4_get_32value(stsz_atom->entries); | |
2581 | |
2582 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2583 "sample uniform size:%uD, entries:%uD", size, entries); | |
2584 | |
2585 trak = ngx_mp4_last_trak(mp4); | |
2586 trak->sample_sizes_entries = entries; | |
2587 | |
2588 atom_table = atom_header + sizeof(ngx_mp4_stsz_atom_t); | |
2589 | |
2590 atom = &trak->stsz_atom_buf; | |
2591 atom->temporary = 1; | |
2592 atom->pos = atom_header; | |
2593 atom->last = atom_table; | |
2594 | |
2595 trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf = atom; | |
2596 | |
2597 if (size == 0) { | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2598 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
|
2599 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2600 { |
4085 | 2601 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
|
2602 "\"%s\" mp4 stsz atom too small", |
4085 | 2603 mp4->file.name.data); |
2604 return NGX_ERROR; | |
2605 } | |
2606 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2607 atom_end = atom_table + entries * sizeof(uint32_t); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2608 |
4085 | 2609 data = &trak->stsz_data_buf; |
2610 data->temporary = 1; | |
2611 data->pos = atom_table; | |
2612 data->last = atom_end; | |
2613 | |
2614 trak->out[NGX_HTTP_MP4_STSZ_DATA].buf = data; | |
2615 | |
2616 } else { | |
2617 /* 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
|
2618 /* TODO : chunk samples */ |
4085 | 2619 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; |
2620 ngx_mp4_set_32value(atom_header, atom_size); | |
2621 trak->size += atom_size; | |
2622 } | |
2623 | |
2624 ngx_mp4_atom_next(mp4, atom_data_size); | |
2625 | |
2626 return NGX_OK; | |
2627 } | |
2628 | |
2629 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2630 static ngx_int_t |
4085 | 2631 ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
2632 ngx_http_mp4_trak_t *trak) | |
2633 { | |
2634 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
|
2635 uint32_t *pos, *end; |
4085 | 2636 ngx_buf_t *atom, *data; |
2637 ngx_mp4_stsz_atom_t *stsz_atom; | |
2638 | |
2639 /* | |
2640 * mdia.minf.stbl.stsz updating requires trak->start_sample | |
2641 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2642 * atom which may reside after mdia.minf | |
2643 */ | |
2644 | |
2645 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2646 "mp4 stsz atom update"); | |
2647 | |
2648 data = trak->out[NGX_HTTP_MP4_STSZ_DATA].buf; | |
2649 | |
2650 if (data) { | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2651 if (trak->start_sample > trak->sample_sizes_entries) { |
3f874d645f45
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4579
diff
changeset
|
2652 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
2653 "start time is out mp4 stsz samples in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
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|
2654 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
2655 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
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|
2656 } |
3f874d645f45
Mp4: sanity checks cleanup.
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|
2657 |
4085 | 2658 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
|
2659 end = (uint32_t *) data->pos; |
a3e07fab98a3
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Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2660 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2661 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
|
2662 trak->chunk_samples_size += ngx_mp4_get_32value(pos); |
a3e07fab98a3
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Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2663 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
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|
2664 |
a3e07fab98a3
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parents:
4096
diff
changeset
|
2665 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4112 | 2666 "chunk samples sizes:%uL", trak->chunk_samples_size); |
4098
a3e07fab98a3
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4096
diff
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|
2667 |
4085 | 2668 atom_size = sizeof(ngx_mp4_stsz_atom_t) + (data->last - data->pos); |
2669 trak->size += atom_size; | |
2670 | |
2671 atom = trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf; | |
2672 stsz_atom = (ngx_mp4_stsz_atom_t *) atom->pos; | |
2673 | |
2674 ngx_mp4_set_32value(stsz_atom->size, atom_size); | |
2675 ngx_mp4_set_32value(stsz_atom->entries, | |
2676 trak->sample_sizes_entries - trak->start_sample); | |
2677 } | |
4585
3f874d645f45
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|
2678 |
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|
2679 return NGX_OK; |
4085 | 2680 } |
2681 | |
2682 | |
2683 typedef struct { | |
2684 u_char size[4]; | |
2685 u_char name[4]; | |
2686 u_char version[1]; | |
2687 u_char flags[3]; | |
2688 u_char entries[4]; | |
2689 } ngx_mp4_stco_atom_t; | |
2690 | |
2691 | |
2692 static ngx_int_t | |
2693 ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2694 { | |
2695 u_char *atom_header, *atom_table, *atom_end; | |
2696 uint32_t entries; | |
2697 ngx_buf_t *atom, *data; | |
2698 ngx_mp4_stco_atom_t *stco_atom; | |
2699 ngx_http_mp4_trak_t *trak; | |
2700 | |
2701 /* chunk offsets atom */ | |
2702 | |
2703 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stco atom"); | |
2704 | |
2705 atom_header = ngx_mp4_atom_header(mp4); | |
2706 stco_atom = (ngx_mp4_stco_atom_t *) atom_header; | |
2707 ngx_mp4_set_atom_name(stco_atom, 's', 't', 'c', 'o'); | |
2708 | |
4585
3f874d645f45
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diff
changeset
|
2709 if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) > atom_data_size) { |
3f874d645f45
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parents:
4579
diff
changeset
|
2710 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
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|
2711 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
2712 return NGX_ERROR; |
3f874d645f45
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
2713 } |
3f874d645f45
Mp4: sanity checks cleanup.
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diff
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|
2714 |
4085 | 2715 entries = ngx_mp4_get_32value(stco_atom->entries); |
2716 | |
2717 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
2718 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2719 if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2720 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2721 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2722 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2723 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2724 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2725 } |
3f874d645f45
Mp4: sanity checks cleanup.
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|
2726 |
4085 | 2727 atom_table = atom_header + sizeof(ngx_mp4_stco_atom_t); |
2728 atom_end = atom_table + entries * sizeof(uint32_t); | |
2729 | |
2730 trak = ngx_mp4_last_trak(mp4); | |
2731 trak->chunks = entries; | |
2732 | |
4107 | 2733 atom = &trak->stco_atom_buf; |
4085 | 2734 atom->temporary = 1; |
2735 atom->pos = atom_header; | |
2736 atom->last = atom_table; | |
2737 | |
4107 | 2738 data = &trak->stco_data_buf; |
4085 | 2739 data->temporary = 1; |
2740 data->pos = atom_table; | |
2741 data->last = atom_end; | |
2742 | |
2743 trak->out[NGX_HTTP_MP4_STCO_ATOM].buf = atom; | |
2744 trak->out[NGX_HTTP_MP4_STCO_DATA].buf = data; | |
2745 | |
2746 ngx_mp4_atom_next(mp4, atom_data_size); | |
2747 | |
2748 return NGX_OK; | |
2749 } | |
2750 | |
2751 | |
2752 static ngx_int_t | |
2753 ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
2754 ngx_http_mp4_trak_t *trak) | |
2755 { | |
2756 size_t atom_size; | |
2757 ngx_buf_t *atom, *data; | |
2758 ngx_mp4_stco_atom_t *stco_atom; | |
2759 | |
2760 /* | |
2761 * mdia.minf.stbl.stco updating requires trak->start_chunk | |
2762 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
2763 * atom which may reside after mdia.minf | |
2764 */ | |
2765 | |
2766 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2767 "mp4 stco atom update"); | |
2768 | |
2769 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
2770 | |
2771 if (data == NULL) { | |
2772 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2773 "no mp4 stco atoms were found in \"%s\"", | |
2774 mp4->file.name.data); | |
2775 return NGX_ERROR; | |
2776 } | |
2777 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2778 if (trak->start_chunk > trak->chunks) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2779 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2780 "start time is out mp4 stco chunks in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2781 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
2782 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2783 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2784 |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2785 data->pos += trak->start_chunk * sizeof(uint32_t); |
4085 | 2786 atom_size = sizeof(ngx_mp4_stco_atom_t) + (data->last - data->pos); |
2787 trak->size += atom_size; | |
2788 | |
2789 trak->start_offset = ngx_mp4_get_32value(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
|
2790 trak->start_offset += trak->chunk_samples_size; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2791 ngx_mp4_set_32value(data->pos, trak->start_offset); |
4085 | 2792 |
2793 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2794 "start chunk offset:%uD", trak->start_offset); | |
2795 | |
2796 atom = trak->out[NGX_HTTP_MP4_STCO_ATOM].buf; | |
2797 stco_atom = (ngx_mp4_stco_atom_t *) atom->pos; | |
2798 | |
2799 ngx_mp4_set_32value(stco_atom->size, 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
|
2800 ngx_mp4_set_32value(stco_atom->entries, trak->chunks - trak->start_chunk); |
4085 | 2801 |
2802 return NGX_OK; | |
2803 } | |
2804 | |
2805 | |
2806 static void | |
2807 ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
2808 ngx_http_mp4_trak_t *trak, int32_t adjustment) | |
2809 { | |
2810 uint32_t offset, *entry, *end; | |
2811 ngx_buf_t *data; | |
2812 | |
2813 /* | |
2814 * moov.trak.mdia.minf.stbl.stco adjustment requires | |
2815 * minimal start offset of all traks and new moov atom size | |
2816 */ | |
2817 | |
2818 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2819 "mp4 stco atom adjustment"); | |
2820 | |
2821 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
2822 entry = (uint32_t *) data->pos; | |
2823 end = (uint32_t *) data->last; | |
2824 | |
2825 while (entry < end) { | |
2826 offset = ngx_mp4_get_32value(entry); | |
2827 offset += adjustment; | |
2828 ngx_mp4_set_32value(entry, offset); | |
2829 entry++; | |
2830 } | |
2831 } | |
2832 | |
2833 | |
4112 | 2834 typedef struct { |
2835 u_char size[4]; | |
2836 u_char name[4]; | |
2837 u_char version[1]; | |
2838 u_char flags[3]; | |
2839 u_char entries[4]; | |
2840 } ngx_mp4_co64_atom_t; | |
2841 | |
2842 | |
2843 static ngx_int_t | |
2844 ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2845 { | |
2846 u_char *atom_header, *atom_table, *atom_end; | |
2847 uint32_t entries; | |
2848 ngx_buf_t *atom, *data; | |
2849 ngx_mp4_co64_atom_t *co64_atom; | |
2850 ngx_http_mp4_trak_t *trak; | |
2851 | |
2852 /* chunk offsets atom */ | |
2853 | |
2854 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 co64 atom"); | |
2855 | |
2856 atom_header = ngx_mp4_atom_header(mp4); | |
2857 co64_atom = (ngx_mp4_co64_atom_t *) atom_header; | |
2858 ngx_mp4_set_atom_name(co64_atom, 'c', 'o', '6', '4'); | |
2859 | |
4585
3f874d645f45
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4579
diff
changeset
|
2860 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
2861 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
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4579
diff
changeset
|
2862 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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4579
diff
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|
2863 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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4579
diff
changeset
|
2864 } |
3f874d645f45
Mp4: sanity checks cleanup.
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4579
diff
changeset
|
2865 |
4112 | 2866 entries = ngx_mp4_get_32value(co64_atom->entries); |
2867 | |
2868 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
2869 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
2870 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) |
3f874d645f45
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|
2871 + entries * sizeof(uint64_t) > atom_data_size) |
3f874d645f45
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4579
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|
2872 { |
3f874d645f45
Mp4: sanity checks cleanup.
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changeset
|
2873 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
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4579
diff
changeset
|
2874 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
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4579
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|
2875 return NGX_ERROR; |
3f874d645f45
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|
2876 } |
3f874d645f45
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|
2877 |
4112 | 2878 atom_table = atom_header + sizeof(ngx_mp4_co64_atom_t); |
2879 atom_end = atom_table + entries * sizeof(uint64_t); | |
2880 | |
2881 trak = ngx_mp4_last_trak(mp4); | |
2882 trak->chunks = entries; | |
2883 | |
2884 atom = &trak->co64_atom_buf; | |
2885 atom->temporary = 1; | |
2886 atom->pos = atom_header; | |
2887 atom->last = atom_table; | |
2888 | |
2889 data = &trak->co64_data_buf; | |
2890 data->temporary = 1; | |
2891 data->pos = atom_table; | |
2892 data->last = atom_end; | |
2893 | |
2894 trak->out[NGX_HTTP_MP4_CO64_ATOM].buf = atom; | |
2895 trak->out[NGX_HTTP_MP4_CO64_DATA].buf = data; | |
2896 | |
2897 ngx_mp4_atom_next(mp4, atom_data_size); | |
2898 | |
2899 return NGX_OK; | |
2900 } | |
2901 | |
2902 | |
2903 static ngx_int_t | |
2904 ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
2905 ngx_http_mp4_trak_t *trak) | |
2906 { | |
2907 size_t atom_size; | |
2908 ngx_buf_t *atom, *data; | |
2909 ngx_mp4_co64_atom_t *co64_atom; | |
2910 | |
2911 /* | |
2912 * mdia.minf.stbl.co64 updating requires trak->start_chunk | |
2913 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
2914 * atom which may reside after mdia.minf | |
2915 */ | |
2916 | |
2917 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2918 "mp4 co64 atom update"); | |
2919 | |
2920 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
2921 | |
2922 if (data == NULL) { | |
2923 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2924 "no mp4 co64 atoms were found in \"%s\"", | |
2925 mp4->file.name.data); | |
2926 return NGX_ERROR; | |
2927 } | |
2928 | |
4585
3f874d645f45
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4579
diff
changeset
|
2929 if (trak->start_chunk > trak->chunks) { |
3f874d645f45
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4579
diff
changeset
|
2930 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
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4579
diff
changeset
|
2931 "start time is out mp4 co64 chunks in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
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changeset
|
2932 mp4->file.name.data); |
3f874d645f45
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diff
changeset
|
2933 return NGX_ERROR; |
3f874d645f45
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4579
diff
changeset
|
2934 } |
3f874d645f45
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|
2935 |
4112 | 2936 data->pos += trak->start_chunk * sizeof(uint64_t); |
2937 atom_size = sizeof(ngx_mp4_co64_atom_t) + (data->last - data->pos); | |
2938 trak->size += atom_size; | |
2939 | |
2940 trak->start_offset = ngx_mp4_get_64value(data->pos); | |
2941 trak->start_offset += trak->chunk_samples_size; | |
2942 ngx_mp4_set_64value(data->pos, trak->start_offset); | |
2943 | |
2944 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2945 "start chunk offset:%uL", trak->start_offset); | |
2946 | |
2947 atom = trak->out[NGX_HTTP_MP4_CO64_ATOM].buf; | |
2948 co64_atom = (ngx_mp4_co64_atom_t *) atom->pos; | |
2949 | |
2950 ngx_mp4_set_32value(co64_atom->size, atom_size); | |
2951 ngx_mp4_set_32value(co64_atom->entries, trak->chunks - trak->start_chunk); | |
2952 | |
2953 return NGX_OK; | |
2954 } | |
2955 | |
2956 | |
2957 static void | |
2958 ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
2959 ngx_http_mp4_trak_t *trak, off_t adjustment) | |
2960 { | |
2961 uint64_t offset, *entry, *end; | |
2962 ngx_buf_t *data; | |
2963 | |
2964 /* | |
2965 * moov.trak.mdia.minf.stbl.co64 adjustment requires | |
2966 * minimal start offset of all traks and new moov atom size | |
2967 */ | |
2968 | |
2969 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2970 "mp4 co64 atom adjustment"); | |
2971 | |
2972 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
2973 entry = (uint64_t *) data->pos; | |
2974 end = (uint64_t *) data->last; | |
2975 | |
2976 while (entry < end) { | |
2977 offset = ngx_mp4_get_64value(entry); | |
2978 offset += adjustment; | |
2979 ngx_mp4_set_64value(entry, offset); | |
2980 entry++; | |
2981 } | |
2982 } | |
2983 | |
2984 | |
4085 | 2985 static char * |
2986 ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
2987 { | |
2988 ngx_http_core_loc_conf_t *clcf; | |
2989 | |
2990 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
2991 clcf->handler = ngx_http_mp4_handler; | |
2992 | |
2993 return NGX_CONF_OK; | |
2994 } | |
2995 | |
2996 | |
2997 static void * | |
2998 ngx_http_mp4_create_conf(ngx_conf_t *cf) | |
2999 { | |
3000 ngx_http_mp4_conf_t *conf; | |
3001 | |
3002 conf = ngx_palloc(cf->pool, sizeof(ngx_http_mp4_conf_t)); | |
3003 if (conf == NULL) { | |
3004 return NULL; | |
3005 } | |
3006 | |
3007 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
|
3008 conf->max_buffer_size = NGX_CONF_UNSET_SIZE; |
4085 | 3009 |
3010 return conf; | |
3011 } | |
3012 | |
3013 | |
3014 static char * | |
3015 ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
3016 { | |
3017 ngx_http_mp4_conf_t *prev = parent; | |
3018 ngx_http_mp4_conf_t *conf = child; | |
3019 | |
3020 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
|
3021 ngx_conf_merge_size_value(conf->max_buffer_size, prev->max_buffer_size, |
4085 | 3022 10 * 1024 * 1024); |
3023 | |
3024 return NGX_CONF_OK; | |
3025 } |