Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_mp4_module.c @ 5464:30e806b8636a
Fixed handling of UNIX-domain sockets.
When evaluating $local_port, $server_port, and $server_addr,
UNIX-domain sockets were mistakenly interpreted as IPv4 sockets.
author | Ruslan Ermilov <ru@nginx.com> |
---|---|
date | Mon, 09 Dec 2013 10:16:44 +0400 |
parents | 2fda9065d0f4 |
children | 9d056f10fb99 |
rev | line source |
---|---|
4085 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
4085 | 5 */ |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 | |
11 | |
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12 #define NGX_HTTP_MP4_TRAK_ATOM 0 |
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13 #define NGX_HTTP_MP4_TKHD_ATOM 1 |
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14 #define NGX_HTTP_MP4_MDIA_ATOM 2 |
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15 #define NGX_HTTP_MP4_MDHD_ATOM 3 |
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16 #define NGX_HTTP_MP4_HDLR_ATOM 4 |
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17 #define NGX_HTTP_MP4_MINF_ATOM 5 |
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18 #define NGX_HTTP_MP4_VMHD_ATOM 6 |
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19 #define NGX_HTTP_MP4_SMHD_ATOM 7 |
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20 #define NGX_HTTP_MP4_DINF_ATOM 8 |
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21 #define NGX_HTTP_MP4_STBL_ATOM 9 |
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22 #define NGX_HTTP_MP4_STSD_ATOM 10 |
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23 #define NGX_HTTP_MP4_STTS_ATOM 11 |
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24 #define NGX_HTTP_MP4_STTS_DATA 12 |
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25 #define NGX_HTTP_MP4_STSS_ATOM 13 |
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26 #define NGX_HTTP_MP4_STSS_DATA 14 |
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27 #define NGX_HTTP_MP4_CTTS_ATOM 15 |
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28 #define NGX_HTTP_MP4_CTTS_DATA 16 |
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29 #define NGX_HTTP_MP4_STSC_ATOM 17 |
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30 #define NGX_HTTP_MP4_STSC_CHUNK 18 |
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31 #define NGX_HTTP_MP4_STSC_DATA 19 |
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32 #define NGX_HTTP_MP4_STSZ_ATOM 20 |
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33 #define NGX_HTTP_MP4_STSZ_DATA 21 |
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34 #define NGX_HTTP_MP4_STCO_ATOM 22 |
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35 #define NGX_HTTP_MP4_STCO_DATA 23 |
4112 | 36 #define NGX_HTTP_MP4_CO64_ATOM 24 |
37 #define NGX_HTTP_MP4_CO64_DATA 25 | |
38 | |
39 #define NGX_HTTP_MP4_LAST_ATOM NGX_HTTP_MP4_CO64_DATA | |
4085 | 40 |
41 | |
42 typedef struct { | |
43 size_t buffer_size; | |
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44 size_t max_buffer_size; |
4085 | 45 } ngx_http_mp4_conf_t; |
46 | |
47 | |
48 typedef struct { | |
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49 u_char chunk[4]; |
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50 u_char samples[4]; |
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51 u_char id[4]; |
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52 } ngx_mp4_stsc_entry_t; |
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53 |
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54 |
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55 typedef struct { |
4085 | 56 uint32_t timescale; |
57 uint32_t time_to_sample_entries; | |
58 uint32_t sample_to_chunk_entries; | |
59 uint32_t sync_samples_entries; | |
60 uint32_t composition_offset_entries; | |
61 uint32_t sample_sizes_entries; | |
62 uint32_t chunks; | |
63 | |
64 ngx_uint_t start_sample; | |
65 ngx_uint_t start_chunk; | |
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66 ngx_uint_t chunk_samples; |
4112 | 67 uint64_t chunk_samples_size; |
4085 | 68 off_t start_offset; |
69 | |
70 size_t tkhd_size; | |
71 size_t mdhd_size; | |
72 size_t hdlr_size; | |
73 size_t vmhd_size; | |
74 size_t smhd_size; | |
75 size_t dinf_size; | |
76 size_t size; | |
77 | |
78 ngx_chain_t out[NGX_HTTP_MP4_LAST_ATOM + 1]; | |
79 | |
80 ngx_buf_t trak_atom_buf; | |
81 ngx_buf_t tkhd_atom_buf; | |
82 ngx_buf_t mdia_atom_buf; | |
83 ngx_buf_t mdhd_atom_buf; | |
84 ngx_buf_t hdlr_atom_buf; | |
85 ngx_buf_t minf_atom_buf; | |
86 ngx_buf_t vmhd_atom_buf; | |
87 ngx_buf_t smhd_atom_buf; | |
88 ngx_buf_t dinf_atom_buf; | |
89 ngx_buf_t stbl_atom_buf; | |
90 ngx_buf_t stsd_atom_buf; | |
91 ngx_buf_t stts_atom_buf; | |
92 ngx_buf_t stts_data_buf; | |
93 ngx_buf_t stss_atom_buf; | |
94 ngx_buf_t stss_data_buf; | |
95 ngx_buf_t ctts_atom_buf; | |
96 ngx_buf_t ctts_data_buf; | |
97 ngx_buf_t stsc_atom_buf; | |
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98 ngx_buf_t stsc_chunk_buf; |
4085 | 99 ngx_buf_t stsc_data_buf; |
100 ngx_buf_t stsz_atom_buf; | |
101 ngx_buf_t stsz_data_buf; | |
4107 | 102 ngx_buf_t stco_atom_buf; |
103 ngx_buf_t stco_data_buf; | |
4112 | 104 ngx_buf_t co64_atom_buf; |
105 ngx_buf_t co64_data_buf; | |
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106 |
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107 ngx_mp4_stsc_entry_t stsc_chunk_entry; |
4085 | 108 } ngx_http_mp4_trak_t; |
109 | |
110 | |
111 typedef struct { | |
112 ngx_file_t file; | |
113 | |
114 u_char *buffer; | |
115 u_char *buffer_start; | |
116 u_char *buffer_pos; | |
117 u_char *buffer_end; | |
118 size_t buffer_size; | |
119 | |
120 off_t offset; | |
121 off_t end; | |
122 off_t content_length; | |
123 ngx_uint_t start; | |
124 uint32_t timescale; | |
125 ngx_http_request_t *request; | |
126 ngx_array_t trak; | |
127 ngx_http_mp4_trak_t traks[2]; | |
128 | |
129 size_t ftyp_size; | |
130 size_t moov_size; | |
131 | |
132 ngx_chain_t *out; | |
133 ngx_chain_t ftyp_atom; | |
134 ngx_chain_t moov_atom; | |
135 ngx_chain_t mvhd_atom; | |
136 ngx_chain_t mdat_atom; | |
137 ngx_chain_t mdat_data; | |
138 | |
139 ngx_buf_t ftyp_atom_buf; | |
140 ngx_buf_t moov_atom_buf; | |
141 ngx_buf_t mvhd_atom_buf; | |
142 ngx_buf_t mdat_atom_buf; | |
143 ngx_buf_t mdat_data_buf; | |
144 | |
145 u_char moov_atom_header[8]; | |
146 u_char mdat_atom_header[16]; | |
147 } ngx_http_mp4_file_t; | |
148 | |
149 | |
150 typedef struct { | |
151 char *name; | |
152 ngx_int_t (*handler)(ngx_http_mp4_file_t *mp4, | |
153 uint64_t atom_data_size); | |
154 } ngx_http_mp4_atom_handler_t; | |
155 | |
156 | |
157 #define ngx_mp4_atom_header(mp4) (mp4->buffer_pos - 8) | |
158 #define ngx_mp4_atom_data(mp4) mp4->buffer_pos | |
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159 #define ngx_mp4_atom_data_size(t) (uint64_t) (sizeof(t) - 8) |
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160 |
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161 |
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162 #define ngx_mp4_atom_next(mp4, n) \ |
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163 mp4->buffer_pos += (size_t) n; \ |
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164 mp4->offset += n |
4085 | 165 |
166 | |
167 #define ngx_mp4_set_atom_name(p, n1, n2, n3, n4) \ | |
168 ((u_char *) (p))[4] = n1; \ | |
169 ((u_char *) (p))[5] = n2; \ | |
170 ((u_char *) (p))[6] = n3; \ | |
171 ((u_char *) (p))[7] = n4 | |
172 | |
173 #define ngx_mp4_get_32value(p) \ | |
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174 ( ((uint32_t) ((u_char *) (p))[0] << 24) \ |
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175 + ( ((u_char *) (p))[1] << 16) \ |
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176 + ( ((u_char *) (p))[2] << 8) \ |
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177 + ( ((u_char *) (p))[3]) ) |
4085 | 178 |
179 #define ngx_mp4_set_32value(p, n) \ | |
180 ((u_char *) (p))[0] = (u_char) ((n) >> 24); \ | |
181 ((u_char *) (p))[1] = (u_char) ((n) >> 16); \ | |
182 ((u_char *) (p))[2] = (u_char) ((n) >> 8); \ | |
183 ((u_char *) (p))[3] = (u_char) (n) | |
184 | |
185 #define ngx_mp4_get_64value(p) \ | |
186 ( ((uint64_t) ((u_char *) (p))[0] << 56) \ | |
187 + ((uint64_t) ((u_char *) (p))[1] << 48) \ | |
188 + ((uint64_t) ((u_char *) (p))[2] << 40) \ | |
189 + ((uint64_t) ((u_char *) (p))[3] << 32) \ | |
190 + ((uint64_t) ((u_char *) (p))[4] << 24) \ | |
191 + ( ((u_char *) (p))[5] << 16) \ | |
192 + ( ((u_char *) (p))[6] << 8) \ | |
193 + ( ((u_char *) (p))[7]) ) | |
194 | |
195 #define ngx_mp4_set_64value(p, n) \ | |
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196 ((u_char *) (p))[0] = (u_char) ((uint64_t) (n) >> 56); \ |
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197 ((u_char *) (p))[1] = (u_char) ((uint64_t) (n) >> 48); \ |
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198 ((u_char *) (p))[2] = (u_char) ((uint64_t) (n) >> 40); \ |
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199 ((u_char *) (p))[3] = (u_char) ((uint64_t) (n) >> 32); \ |
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200 ((u_char *) (p))[4] = (u_char) ( (n) >> 24); \ |
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201 ((u_char *) (p))[5] = (u_char) ( (n) >> 16); \ |
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202 ((u_char *) (p))[6] = (u_char) ( (n) >> 8); \ |
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203 ((u_char *) (p))[7] = (u_char) (n) |
4085 | 204 |
205 #define ngx_mp4_last_trak(mp4) \ | |
206 &((ngx_http_mp4_trak_t *) mp4->trak.elts)[mp4->trak.nelts - 1] | |
207 | |
208 | |
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209 static ngx_int_t ngx_http_mp4_handler(ngx_http_request_t *r); |
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210 |
4085 | 211 static ngx_int_t ngx_http_mp4_process(ngx_http_mp4_file_t *mp4); |
212 static ngx_int_t ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
213 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size); | |
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214 static ngx_int_t ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size); |
4085 | 215 static ngx_int_t ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, |
216 uint64_t atom_data_size); | |
217 static ngx_int_t ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, | |
218 uint64_t atom_data_size); | |
219 static ngx_int_t ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, | |
220 uint64_t atom_data_size); | |
221 static size_t ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, | |
222 off_t start_offset); | |
223 static ngx_int_t ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, | |
224 uint64_t atom_data_size); | |
225 static ngx_int_t ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, | |
226 uint64_t atom_data_size); | |
227 static void ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
228 ngx_http_mp4_trak_t *trak); | |
229 static ngx_int_t ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, | |
230 uint64_t atom_data_size); | |
231 static ngx_int_t ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, | |
232 uint64_t atom_data_size); | |
233 static ngx_int_t ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, | |
234 uint64_t atom_data_size); | |
235 static void ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
236 ngx_http_mp4_trak_t *trak); | |
237 static ngx_int_t ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, | |
238 uint64_t atom_data_size); | |
239 static ngx_int_t ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, | |
240 uint64_t atom_data_size); | |
241 static ngx_int_t ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, | |
242 uint64_t atom_data_size); | |
243 static void ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
244 ngx_http_mp4_trak_t *trak); | |
245 static ngx_int_t ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, | |
246 uint64_t atom_data_size); | |
247 static ngx_int_t ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, | |
248 uint64_t atom_data_size); | |
249 static ngx_int_t ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, | |
250 uint64_t atom_data_size); | |
251 static ngx_int_t ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, | |
252 uint64_t atom_data_size); | |
253 static void ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
254 ngx_http_mp4_trak_t *trak); | |
255 static ngx_int_t ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, | |
256 uint64_t atom_data_size); | |
257 static ngx_int_t ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, | |
258 uint64_t atom_data_size); | |
259 static ngx_int_t ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
260 ngx_http_mp4_trak_t *trak); | |
261 static ngx_int_t ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, | |
262 uint64_t atom_data_size); | |
263 static ngx_int_t ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
264 ngx_http_mp4_trak_t *trak); | |
265 static ngx_int_t ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, | |
266 uint64_t atom_data_size); | |
267 static void ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
268 ngx_http_mp4_trak_t *trak); | |
269 static ngx_int_t ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, | |
270 uint64_t atom_data_size); | |
271 static ngx_int_t ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
272 ngx_http_mp4_trak_t *trak); | |
273 static ngx_int_t ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, | |
274 uint64_t atom_data_size); | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
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diff
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|
275 static ngx_int_t ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
4085 | 276 ngx_http_mp4_trak_t *trak); |
277 static ngx_int_t ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, | |
278 uint64_t atom_data_size); | |
279 static ngx_int_t ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
280 ngx_http_mp4_trak_t *trak); | |
281 static void ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
282 ngx_http_mp4_trak_t *trak, int32_t adjustment); | |
4112 | 283 static ngx_int_t ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, |
284 uint64_t atom_data_size); | |
285 static ngx_int_t ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
286 ngx_http_mp4_trak_t *trak); | |
287 static void ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
288 ngx_http_mp4_trak_t *trak, off_t adjustment); | |
5202
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289 |
4085 | 290 static char *ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
291 static void *ngx_http_mp4_create_conf(ngx_conf_t *cf); | |
292 static char *ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child); | |
293 | |
5202
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294 |
4085 | 295 static ngx_command_t ngx_http_mp4_commands[] = { |
296 | |
297 { ngx_string("mp4"), | |
298 NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, | |
299 ngx_http_mp4, | |
300 0, | |
301 0, | |
302 NULL }, | |
303 | |
304 { ngx_string("mp4_buffer_size"), | |
305 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
306 ngx_conf_set_size_slot, | |
307 NGX_HTTP_LOC_CONF_OFFSET, | |
308 offsetof(ngx_http_mp4_conf_t, buffer_size), | |
309 NULL }, | |
310 | |
4089
e27670e1ab70
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4088
diff
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|
311 { ngx_string("mp4_max_buffer_size"), |
4085 | 312 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
313 ngx_conf_set_size_slot, | |
314 NGX_HTTP_LOC_CONF_OFFSET, | |
4089
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mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
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|
315 offsetof(ngx_http_mp4_conf_t, max_buffer_size), |
4085 | 316 NULL }, |
317 | |
318 ngx_null_command | |
319 }; | |
320 | |
321 | |
322 static ngx_http_module_t ngx_http_mp4_module_ctx = { | |
323 NULL, /* preconfiguration */ | |
324 NULL, /* postconfiguration */ | |
325 | |
326 NULL, /* create main configuration */ | |
327 NULL, /* init main configuration */ | |
328 | |
329 NULL, /* create server configuration */ | |
330 NULL, /* merge server configuration */ | |
331 | |
332 ngx_http_mp4_create_conf, /* create location configuration */ | |
333 ngx_http_mp4_merge_conf /* merge location configuration */ | |
334 }; | |
335 | |
336 | |
337 ngx_module_t ngx_http_mp4_module = { | |
338 NGX_MODULE_V1, | |
339 &ngx_http_mp4_module_ctx, /* module context */ | |
340 ngx_http_mp4_commands, /* module directives */ | |
341 NGX_HTTP_MODULE, /* module type */ | |
342 NULL, /* init master */ | |
343 NULL, /* init module */ | |
344 NULL, /* init process */ | |
345 NULL, /* init thread */ | |
346 NULL, /* exit thread */ | |
347 NULL, /* exit process */ | |
348 NULL, /* exit master */ | |
349 NGX_MODULE_V1_PADDING | |
350 }; | |
351 | |
352 | |
353 static ngx_http_mp4_atom_handler_t ngx_http_mp4_atoms[] = { | |
354 { "ftyp", ngx_http_mp4_read_ftyp_atom }, | |
355 { "moov", ngx_http_mp4_read_moov_atom }, | |
356 { "mdat", ngx_http_mp4_read_mdat_atom }, | |
357 { NULL, NULL } | |
358 }; | |
359 | |
360 static ngx_http_mp4_atom_handler_t ngx_http_mp4_moov_atoms[] = { | |
361 { "mvhd", ngx_http_mp4_read_mvhd_atom }, | |
362 { "trak", ngx_http_mp4_read_trak_atom }, | |
363 { "cmov", ngx_http_mp4_read_cmov_atom }, | |
364 { NULL, NULL } | |
365 }; | |
366 | |
367 static ngx_http_mp4_atom_handler_t ngx_http_mp4_trak_atoms[] = { | |
368 { "tkhd", ngx_http_mp4_read_tkhd_atom }, | |
369 { "mdia", ngx_http_mp4_read_mdia_atom }, | |
370 { NULL, NULL } | |
371 }; | |
372 | |
373 static ngx_http_mp4_atom_handler_t ngx_http_mp4_mdia_atoms[] = { | |
374 { "mdhd", ngx_http_mp4_read_mdhd_atom }, | |
375 { "hdlr", ngx_http_mp4_read_hdlr_atom }, | |
376 { "minf", ngx_http_mp4_read_minf_atom }, | |
377 { NULL, NULL } | |
378 }; | |
379 | |
380 static ngx_http_mp4_atom_handler_t ngx_http_mp4_minf_atoms[] = { | |
381 { "vmhd", ngx_http_mp4_read_vmhd_atom }, | |
382 { "smhd", ngx_http_mp4_read_smhd_atom }, | |
383 { "dinf", ngx_http_mp4_read_dinf_atom }, | |
384 { "stbl", ngx_http_mp4_read_stbl_atom }, | |
385 { NULL, NULL } | |
386 }; | |
387 | |
388 static ngx_http_mp4_atom_handler_t ngx_http_mp4_stbl_atoms[] = { | |
389 { "stsd", ngx_http_mp4_read_stsd_atom }, | |
390 { "stts", ngx_http_mp4_read_stts_atom }, | |
391 { "stss", ngx_http_mp4_read_stss_atom }, | |
392 { "ctts", ngx_http_mp4_read_ctts_atom }, | |
393 { "stsc", ngx_http_mp4_read_stsc_atom }, | |
394 { "stsz", ngx_http_mp4_read_stsz_atom }, | |
395 { "stco", ngx_http_mp4_read_stco_atom }, | |
4112 | 396 { "co64", ngx_http_mp4_read_co64_atom }, |
4085 | 397 { NULL, NULL } |
398 }; | |
399 | |
400 | |
401 static ngx_int_t | |
402 ngx_http_mp4_handler(ngx_http_request_t *r) | |
403 { | |
404 u_char *last; | |
405 size_t root; | |
406 ngx_int_t rc, start; | |
407 ngx_uint_t level; | |
408 ngx_str_t path, value; | |
409 ngx_log_t *log; | |
410 ngx_buf_t *b; | |
411 ngx_chain_t out; | |
412 ngx_http_mp4_file_t *mp4; | |
413 ngx_open_file_info_t of; | |
414 ngx_http_core_loc_conf_t *clcf; | |
415 | |
416 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { | |
417 return NGX_HTTP_NOT_ALLOWED; | |
418 } | |
419 | |
420 if (r->uri.data[r->uri.len - 1] == '/') { | |
421 return NGX_DECLINED; | |
422 } | |
423 | |
424 rc = ngx_http_discard_request_body(r); | |
425 | |
426 if (rc != NGX_OK) { | |
427 return rc; | |
428 } | |
429 | |
430 last = ngx_http_map_uri_to_path(r, &path, &root, 0); | |
431 if (last == NULL) { | |
432 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
433 } | |
434 | |
435 log = r->connection->log; | |
436 | |
437 path.len = last - path.data; | |
438 | |
439 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, | |
440 "http mp4 filename: \"%V\"", &path); | |
441 | |
442 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
443 | |
444 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); | |
445 | |
446 of.read_ahead = clcf->read_ahead; | |
4087
3aa3b7bb9f0d
Bugfix of r4086: directio was always enabled if mp4 file was sent as is.
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447 of.directio = NGX_MAX_OFF_T_VALUE; |
4085 | 448 of.valid = clcf->open_file_cache_valid; |
449 of.min_uses = clcf->open_file_cache_min_uses; | |
450 of.errors = clcf->open_file_cache_errors; | |
451 of.events = clcf->open_file_cache_events; | |
4494
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
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452 |
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
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453 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { |
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454 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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Disable symlinks: initialization of the "disable_symlinks" field in
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455 } |
4085 | 456 |
457 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) | |
458 != NGX_OK) | |
459 { | |
460 switch (of.err) { | |
461 | |
462 case 0: | |
463 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
464 | |
465 case NGX_ENOENT: | |
466 case NGX_ENOTDIR: | |
467 case NGX_ENAMETOOLONG: | |
468 | |
469 level = NGX_LOG_ERR; | |
470 rc = NGX_HTTP_NOT_FOUND; | |
471 break; | |
472 | |
473 case NGX_EACCES: | |
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Support for disable_symlinks in various modules.
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474 #if (NGX_HAVE_OPENAT) |
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475 case NGX_EMLINK: |
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476 case NGX_ELOOP: |
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477 #endif |
4085 | 478 |
479 level = NGX_LOG_ERR; | |
480 rc = NGX_HTTP_FORBIDDEN; | |
481 break; | |
482 | |
483 default: | |
484 | |
485 level = NGX_LOG_CRIT; | |
486 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
487 break; | |
488 } | |
489 | |
490 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { | |
491 ngx_log_error(level, log, of.err, | |
492 "%s \"%s\" failed", of.failed, path.data); | |
493 } | |
494 | |
495 return rc; | |
496 } | |
497 | |
498 if (!of.is_file) { | |
499 | |
500 if (ngx_close_file(of.fd) == NGX_FILE_ERROR) { | |
501 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
502 ngx_close_file_n " \"%s\" failed", path.data); | |
503 } | |
504 | |
505 return NGX_DECLINED; | |
506 } | |
507 | |
508 r->root_tested = !r->error_page; | |
509 r->allow_ranges = 1; | |
510 | |
511 start = -1; | |
512 r->headers_out.content_length_n = of.size; | |
513 mp4 = NULL; | |
514 b = NULL; | |
515 | |
516 if (r->args.len) { | |
517 | |
518 if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) { | |
519 | |
4156
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520 /* |
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521 * A Flash player may send start value with a lot of digits |
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522 * after dot so strtod() is used instead of atofp(). NaNs and |
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523 * infinities become negative numbers after (int) conversion. |
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524 */ |
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525 |
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526 ngx_set_errno(0); |
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527 start = (int) (strtod((char *) value.data, NULL) * 1000); |
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528 |
5202
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529 if (ngx_errno != 0) { |
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530 start = -1; |
4085 | 531 } |
532 } | |
533 } | |
534 | |
5202
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535 if (start >= 0) { |
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536 r->allow_ranges = 0; |
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537 |
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538 mp4 = ngx_pcalloc(r->pool, sizeof(ngx_http_mp4_file_t)); |
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539 if (mp4 == NULL) { |
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540 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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541 } |
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542 |
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543 mp4->file.fd = of.fd; |
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544 mp4->file.name = path; |
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545 mp4->file.log = r->connection->log;; |
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546 mp4->end = of.size; |
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547 mp4->start = (ngx_uint_t) start; |
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548 mp4->request = r; |
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549 |
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550 switch (ngx_http_mp4_process(mp4)) { |
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Mp4: indentation and style, no functional changes.
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|
551 |
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552 case NGX_DECLINED: |
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553 if (mp4->buffer) { |
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554 ngx_pfree(r->pool, mp4->buffer); |
322434f13bd8
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555 } |
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556 |
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557 ngx_pfree(r->pool, mp4); |
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558 mp4 = NULL; |
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Mp4: indentation and style, no functional changes.
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559 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
560 break; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
561 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
562 case NGX_OK: |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
563 r->headers_out.content_length_n = mp4->content_length; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
564 break; |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
565 |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
566 default: /* NGX_ERROR */ |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
567 if (mp4->buffer) { |
322434f13bd8
Mp4: indentation and style, no functional changes.
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parents:
5097
diff
changeset
|
568 ngx_pfree(r->pool, mp4->buffer); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
569 } |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
570 |
322434f13bd8
Mp4: indentation and style, no functional changes.
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parents:
5097
diff
changeset
|
571 ngx_pfree(r->pool, mp4); |
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
572 |
322434f13bd8
Mp4: indentation and style, no functional changes.
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parents:
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diff
changeset
|
573 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
322434f13bd8
Mp4: indentation and style, no functional changes.
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parents:
5097
diff
changeset
|
574 } |
322434f13bd8
Mp4: indentation and style, no functional changes.
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parents:
5097
diff
changeset
|
575 } |
322434f13bd8
Mp4: indentation and style, no functional changes.
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|
576 |
4085 | 577 log->action = "sending mp4 to client"; |
578 | |
579 if (clcf->directio <= of.size) { | |
580 | |
581 /* | |
582 * DIRECTIO is set on transfer only | |
583 * to allow kernel to cache "moov" atom | |
584 */ | |
585 | |
586 if (ngx_directio_on(of.fd) == NGX_FILE_ERROR) { | |
587 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
588 ngx_directio_on_n " \"%s\" failed", path.data); | |
589 } | |
590 | |
4087
3aa3b7bb9f0d
Bugfix of r4086: directio was always enabled if mp4 file was sent as is.
Igor Sysoev <igor@sysoev.ru>
parents:
4085
diff
changeset
|
591 of.is_directio = 1; |
3aa3b7bb9f0d
Bugfix of r4086: directio was always enabled if mp4 file was sent as is.
Igor Sysoev <igor@sysoev.ru>
parents:
4085
diff
changeset
|
592 |
4085 | 593 if (mp4) { |
594 mp4->file.directio = 1; | |
595 } | |
596 } | |
597 | |
598 r->headers_out.status = NGX_HTTP_OK; | |
599 r->headers_out.last_modified_time = of.mtime; | |
600 | |
4748
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
601 if (ngx_http_set_etag(r) != NGX_OK) { |
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
602 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
603 } |
192f54280a7a
Entity tags: set for static respones.
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parents:
4705
diff
changeset
|
604 |
4085 | 605 if (ngx_http_set_content_type(r) != NGX_OK) { |
606 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
607 } | |
608 | |
609 if (mp4 == NULL) { | |
610 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); | |
611 if (b == NULL) { | |
612 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
613 } | |
614 | |
615 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); | |
616 if (b->file == NULL) { | |
617 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
618 } | |
619 } | |
620 | |
621 rc = ngx_http_send_header(r); | |
622 | |
623 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
624 return rc; | |
625 } | |
626 | |
627 if (mp4) { | |
628 return ngx_http_output_filter(r, mp4->out); | |
629 } | |
630 | |
631 b->file_pos = 0; | |
632 b->file_last = of.size; | |
633 | |
634 b->in_file = b->file_last ? 1 : 0; | |
4611
2b6cb7528409
Allows particular modules to handle subrequests properly.
Andrey Belov <defan@nginx.com>
parents:
4585
diff
changeset
|
635 b->last_buf = (r == r->main) ? 1 : 0; |
4085 | 636 b->last_in_chain = 1; |
637 | |
638 b->file->fd = of.fd; | |
639 b->file->name = path; | |
640 b->file->log = log; | |
641 b->file->directio = of.is_directio; | |
642 | |
643 out.buf = b; | |
644 out.next = NULL; | |
645 | |
646 return ngx_http_output_filter(r, &out); | |
647 } | |
648 | |
649 | |
650 static ngx_int_t | |
651 ngx_http_mp4_process(ngx_http_mp4_file_t *mp4) | |
652 { | |
653 off_t start_offset, adjustment; | |
654 ngx_int_t rc; | |
655 ngx_uint_t i, j; | |
656 ngx_chain_t **prev; | |
657 ngx_http_mp4_trak_t *trak; | |
658 ngx_http_mp4_conf_t *conf; | |
659 | |
660 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
661 "mp4 start:%ui", mp4->start); | |
662 | |
663 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
664 | |
665 mp4->buffer_size = conf->buffer_size; | |
666 | |
667 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_atoms, mp4->end); | |
668 if (rc != NGX_OK) { | |
669 return rc; | |
670 } | |
671 | |
672 if (mp4->trak.nelts == 0) { | |
673 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
674 "no mp4 trak atoms were found in \"%s\"", | |
675 mp4->file.name.data); | |
676 return NGX_ERROR; | |
677 } | |
678 | |
679 if (mp4->mdat_atom.buf == NULL) { | |
680 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
681 "no mp4 mdat atom was found in \"%s\"", | |
682 mp4->file.name.data); | |
683 return NGX_ERROR; | |
684 } | |
685 | |
686 prev = &mp4->out; | |
687 | |
688 if (mp4->ftyp_atom.buf) { | |
689 *prev = &mp4->ftyp_atom; | |
690 prev = &mp4->ftyp_atom.next; | |
691 } | |
692 | |
693 *prev = &mp4->moov_atom; | |
694 prev = &mp4->moov_atom.next; | |
695 | |
696 if (mp4->mvhd_atom.buf) { | |
697 mp4->moov_size += mp4->mvhd_atom_buf.last - mp4->mvhd_atom_buf.pos; | |
698 *prev = &mp4->mvhd_atom; | |
699 prev = &mp4->mvhd_atom.next; | |
700 } | |
701 | |
702 start_offset = mp4->end; | |
703 trak = mp4->trak.elts; | |
704 | |
705 for (i = 0; i < mp4->trak.nelts; i++) { | |
706 | |
707 if (ngx_http_mp4_update_stts_atom(mp4, &trak[i]) != NGX_OK) { | |
708 return NGX_ERROR; | |
709 } | |
710 | |
711 if (ngx_http_mp4_update_stss_atom(mp4, &trak[i]) != NGX_OK) { | |
712 return NGX_ERROR; | |
713 } | |
714 | |
715 ngx_http_mp4_update_ctts_atom(mp4, &trak[i]); | |
716 | |
717 if (ngx_http_mp4_update_stsc_atom(mp4, &trak[i]) != NGX_OK) { | |
718 return NGX_ERROR; | |
719 } | |
720 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
721 if (ngx_http_mp4_update_stsz_atom(mp4, &trak[i]) != NGX_OK) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
722 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
723 } |
4085 | 724 |
4112 | 725 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
726 if (ngx_http_mp4_update_co64_atom(mp4, &trak[i]) != NGX_OK) { | |
727 return NGX_ERROR; | |
728 } | |
729 | |
730 } else { | |
731 if (ngx_http_mp4_update_stco_atom(mp4, &trak[i]) != NGX_OK) { | |
732 return NGX_ERROR; | |
733 } | |
4085 | 734 } |
735 | |
736 ngx_http_mp4_update_stbl_atom(mp4, &trak[i]); | |
737 ngx_http_mp4_update_minf_atom(mp4, &trak[i]); | |
738 trak[i].size += trak[i].mdhd_size; | |
739 trak[i].size += trak[i].hdlr_size; | |
740 ngx_http_mp4_update_mdia_atom(mp4, &trak[i]); | |
741 trak[i].size += trak[i].tkhd_size; | |
742 ngx_http_mp4_update_trak_atom(mp4, &trak[i]); | |
743 | |
744 mp4->moov_size += trak[i].size; | |
745 | |
746 if (start_offset > trak[i].start_offset) { | |
747 start_offset = trak[i].start_offset; | |
748 } | |
749 | |
750 *prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM]; | |
751 prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM].next; | |
752 | |
753 for (j = 0; j < NGX_HTTP_MP4_LAST_ATOM + 1; j++) { | |
754 if (trak[i].out[j].buf) { | |
755 *prev = &trak[i].out[j]; | |
756 prev = &trak[i].out[j].next; | |
757 } | |
758 } | |
759 } | |
760 | |
761 mp4->moov_size += 8; | |
762 | |
763 ngx_mp4_set_32value(mp4->moov_atom_header, mp4->moov_size); | |
764 ngx_mp4_set_atom_name(mp4->moov_atom_header, 'm', 'o', 'o', 'v'); | |
765 mp4->content_length += mp4->moov_size; | |
766 | |
767 *prev = &mp4->mdat_atom; | |
768 | |
5097
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
769 if (start_offset > mp4->mdat_data.buf->file_last) { |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
770 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
771 "start time is out mp4 mdat atom in \"%s\"", |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
772 mp4->file.name.data); |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
773 return NGX_ERROR; |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
774 } |
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
775 |
4085 | 776 adjustment = mp4->ftyp_size + mp4->moov_size |
777 + ngx_http_mp4_update_mdat_atom(mp4, start_offset) | |
778 - start_offset; | |
779 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
780 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4579 | 781 "mp4 adjustment:%O", adjustment); |
4085 | 782 |
783 for (i = 0; i < mp4->trak.nelts; i++) { | |
4112 | 784 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
785 ngx_http_mp4_adjust_co64_atom(mp4, &trak[i], adjustment); | |
786 } else { | |
787 ngx_http_mp4_adjust_stco_atom(mp4, &trak[i], (int32_t) adjustment); | |
788 } | |
4085 | 789 } |
790 | |
791 return NGX_OK; | |
792 } | |
793 | |
794 | |
795 typedef struct { | |
796 u_char size[4]; | |
797 u_char name[4]; | |
798 } ngx_mp4_atom_header_t; | |
799 | |
800 typedef struct { | |
801 u_char size[4]; | |
802 u_char name[4]; | |
803 u_char size64[8]; | |
804 } ngx_mp4_atom_header64_t; | |
805 | |
806 | |
807 static ngx_int_t | |
808 ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
809 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size) | |
810 { | |
811 off_t end; | |
812 size_t atom_header_size; | |
813 u_char *atom_header, *atom_name; | |
814 uint64_t atom_size; | |
815 ngx_int_t rc; | |
816 ngx_uint_t n; | |
817 | |
818 end = mp4->offset + atom_data_size; | |
819 | |
820 while (mp4->offset < end) { | |
821 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
822 if (ngx_http_mp4_read(mp4, sizeof(uint32_t)) != NGX_OK) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
823 return NGX_ERROR; |
4085 | 824 } |
825 | |
826 atom_header = mp4->buffer_pos; | |
827 atom_size = ngx_mp4_get_32value(atom_header); | |
828 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
829 | |
830 if (atom_size == 0) { | |
831 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
832 "mp4 atom end"); | |
833 return NGX_OK; | |
834 } | |
835 | |
836 if (atom_size < sizeof(ngx_mp4_atom_header_t)) { | |
837 | |
838 if (atom_size == 1) { | |
839 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
840 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header64_t)) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
841 != NGX_OK) |
4085 | 842 { |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
843 return NGX_ERROR; |
4085 | 844 } |
845 | |
846 /* 64-bit atom size */ | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
847 atom_header = mp4->buffer_pos; |
4085 | 848 atom_size = ngx_mp4_get_64value(atom_header + 8); |
849 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
850 | |
851 } else { | |
852 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
853 "\"%s\" mp4 atom is too small:%uL", | |
854 mp4->file.name.data, atom_size); | |
855 return NGX_ERROR; | |
856 } | |
857 } | |
858 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
859 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header_t)) != NGX_OK) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
860 return NGX_ERROR; |
4085 | 861 } |
862 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
863 atom_header = mp4->buffer_pos; |
4085 | 864 atom_name = atom_header + sizeof(uint32_t); |
865 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
866 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 867 "mp4 atom: %*s @%O:%uL", |
868 4, atom_name, mp4->offset, atom_size); | |
869 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
870 if (atom_size > (uint64_t) (NGX_MAX_OFF_T_VALUE - mp4->offset) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
871 || mp4->offset + (off_t) atom_size > end) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
872 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
873 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
874 "\"%s\" mp4 atom too large:%uL", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
875 mp4->file.name.data, atom_size); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
876 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
877 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
878 |
4085 | 879 for (n = 0; atom[n].name; n++) { |
880 | |
881 if (ngx_strncmp(atom_name, atom[n].name, 4) == 0) { | |
882 | |
883 ngx_mp4_atom_next(mp4, atom_header_size); | |
884 | |
885 rc = atom[n].handler(mp4, atom_size - atom_header_size); | |
886 if (rc != NGX_OK) { | |
887 return rc; | |
888 } | |
889 | |
890 goto next; | |
891 } | |
892 } | |
893 | |
894 ngx_mp4_atom_next(mp4, atom_size); | |
895 | |
896 next: | |
897 continue; | |
898 } | |
899 | |
900 return NGX_OK; | |
901 } | |
902 | |
903 | |
904 static ngx_int_t | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
905 ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size) |
4085 | 906 { |
4585
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Mp4: sanity checks cleanup.
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907 ssize_t n; |
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908 |
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909 if (mp4->buffer_pos + size <= mp4->buffer_end) { |
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910 return NGX_OK; |
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911 } |
4085 | 912 |
913 if (mp4->offset + (off_t) mp4->buffer_size > mp4->end) { | |
914 mp4->buffer_size = (size_t) (mp4->end - mp4->offset); | |
915 } | |
916 | |
4585
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917 if (mp4->buffer_size < size) { |
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918 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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919 "\"%s\" mp4 file truncated", mp4->file.name.data); |
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920 return NGX_ERROR; |
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921 } |
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922 |
4085 | 923 if (mp4->buffer == NULL) { |
924 mp4->buffer = ngx_palloc(mp4->request->pool, mp4->buffer_size); | |
925 if (mp4->buffer == NULL) { | |
926 return NGX_ERROR; | |
927 } | |
928 | |
929 mp4->buffer_start = mp4->buffer; | |
930 } | |
931 | |
932 n = ngx_read_file(&mp4->file, mp4->buffer_start, mp4->buffer_size, | |
933 mp4->offset); | |
934 | |
935 if (n == NGX_ERROR) { | |
936 return NGX_ERROR; | |
937 } | |
938 | |
4585
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939 if ((size_t) n != mp4->buffer_size) { |
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940 ngx_log_error(NGX_LOG_CRIT, mp4->file.log, 0, |
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941 ngx_read_file_n " read only %z of %z from \"%s\"", |
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942 n, mp4->buffer_size, mp4->file.name.data); |
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943 return NGX_ERROR; |
4085 | 944 } |
945 | |
946 mp4->buffer_pos = mp4->buffer_start; | |
4585
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947 mp4->buffer_end = mp4->buffer_start + mp4->buffer_size; |
4085 | 948 |
949 return NGX_OK; | |
950 } | |
951 | |
952 | |
953 static ngx_int_t | |
954 ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
955 { | |
956 u_char *ftyp_atom; | |
957 size_t atom_size; | |
958 ngx_buf_t *atom; | |
959 | |
960 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ftyp atom"); | |
961 | |
4585
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962 if (atom_data_size > 1024 |
5359
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963 || ngx_mp4_atom_data(mp4) + (size_t) atom_data_size > mp4->buffer_end) |
4585
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964 { |
4085 | 965 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
966 "\"%s\" mp4 ftyp atom is too large:%uL", | |
967 mp4->file.name.data, atom_data_size); | |
968 return NGX_ERROR; | |
969 } | |
970 | |
971 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
972 | |
973 ftyp_atom = ngx_palloc(mp4->request->pool, atom_size); | |
974 if (ftyp_atom == NULL) { | |
975 return NGX_ERROR; | |
976 } | |
977 | |
978 ngx_mp4_set_32value(ftyp_atom, atom_size); | |
979 ngx_mp4_set_atom_name(ftyp_atom, 'f', 't', 'y', 'p'); | |
980 | |
981 /* | |
982 * only moov atom content is guaranteed to be in mp4->buffer | |
983 * during sending response, so ftyp atom content should be copied | |
984 */ | |
985 ngx_memcpy(ftyp_atom + sizeof(ngx_mp4_atom_header_t), | |
986 ngx_mp4_atom_data(mp4), (size_t) atom_data_size); | |
987 | |
988 atom = &mp4->ftyp_atom_buf; | |
989 atom->temporary = 1; | |
990 atom->pos = ftyp_atom; | |
991 atom->last = ftyp_atom + atom_size; | |
992 | |
993 mp4->ftyp_atom.buf = atom; | |
994 mp4->ftyp_size = atom_size; | |
995 mp4->content_length = atom_size; | |
996 | |
997 ngx_mp4_atom_next(mp4, atom_data_size); | |
998 | |
999 return NGX_OK; | |
1000 } | |
1001 | |
1002 | |
1003 /* | |
1004 * Small excess buffer to process atoms after moov atom, mp4->buffer_start | |
1005 * will be set to this buffer part after moov atom processing. | |
1006 */ | |
1007 #define NGX_HTTP_MP4_MOOV_BUFFER_EXCESS (4 * 1024) | |
1008 | |
1009 static ngx_int_t | |
1010 ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1011 { | |
1012 ngx_int_t rc; | |
1013 ngx_uint_t no_mdat; | |
1014 ngx_buf_t *atom; | |
1015 ngx_http_mp4_conf_t *conf; | |
1016 | |
1017 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom"); | |
1018 | |
1019 no_mdat = (mp4->mdat_atom.buf == NULL); | |
1020 | |
1021 if (no_mdat && mp4->start == 0) { | |
1022 /* | |
1023 * send original file if moov atom resides before | |
1024 * mdat atom and client requests integral file | |
1025 */ | |
1026 return NGX_DECLINED; | |
1027 } | |
1028 | |
1029 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
1030 | |
1031 if (atom_data_size > mp4->buffer_size) { | |
1032 | |
4089
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1033 if (atom_data_size > conf->max_buffer_size) { |
4085 | 1034 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
1035 "\"%s\" mp4 moov atom is too large:%uL, " | |
4089
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1036 "you may want to increase mp4_max_buffer_size", |
4085 | 1037 mp4->file.name.data, atom_data_size); |
1038 return NGX_ERROR; | |
1039 } | |
1040 | |
1041 ngx_pfree(mp4->request->pool, mp4->buffer); | |
1042 mp4->buffer = NULL; | |
1043 mp4->buffer_pos = NULL; | |
1044 mp4->buffer_end = NULL; | |
1045 | |
1046 mp4->buffer_size = (size_t) atom_data_size | |
1047 + NGX_HTTP_MP4_MOOV_BUFFER_EXCESS * no_mdat; | |
1048 } | |
1049 | |
4705
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1050 if (ngx_http_mp4_read(mp4, (size_t) atom_data_size) != NGX_OK) { |
4688
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Mp4: fixed streaming if moov atom is at buffer edge.
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1051 return NGX_ERROR; |
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Mp4: fixed streaming if moov atom is at buffer edge.
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1052 } |
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1053 |
4085 | 1054 mp4->trak.elts = &mp4->traks; |
1055 mp4->trak.size = sizeof(ngx_http_mp4_trak_t); | |
1056 mp4->trak.nalloc = 2; | |
1057 mp4->trak.pool = mp4->request->pool; | |
1058 | |
1059 atom = &mp4->moov_atom_buf; | |
1060 atom->temporary = 1; | |
1061 atom->pos = mp4->moov_atom_header; | |
1062 atom->last = mp4->moov_atom_header + 8; | |
1063 | |
1064 mp4->moov_atom.buf = &mp4->moov_atom_buf; | |
1065 | |
1066 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_moov_atoms, atom_data_size); | |
1067 | |
1068 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom done"); | |
1069 | |
1070 if (no_mdat) { | |
1071 mp4->buffer_start = mp4->buffer_pos; | |
1072 mp4->buffer_size = NGX_HTTP_MP4_MOOV_BUFFER_EXCESS; | |
1073 | |
4688
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1074 if (mp4->buffer_start + mp4->buffer_size > mp4->buffer_end) { |
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1075 mp4->buffer = NULL; |
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1076 mp4->buffer_pos = NULL; |
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1077 mp4->buffer_end = NULL; |
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1078 } |
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1079 |
4085 | 1080 } else { |
1081 /* skip atoms after moov atom */ | |
1082 mp4->offset = mp4->end; | |
1083 } | |
1084 | |
1085 return rc; | |
1086 } | |
1087 | |
1088 | |
1089 static ngx_int_t | |
1090 ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1091 { | |
1092 ngx_buf_t *data; | |
1093 | |
1094 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdat atom"); | |
1095 | |
1096 data = &mp4->mdat_data_buf; | |
1097 data->file = &mp4->file; | |
1098 data->in_file = 1; | |
1099 data->last_buf = 1; | |
1100 data->last_in_chain = 1; | |
1101 data->file_last = mp4->offset + atom_data_size; | |
1102 | |
1103 mp4->mdat_atom.buf = &mp4->mdat_atom_buf; | |
1104 mp4->mdat_atom.next = &mp4->mdat_data; | |
1105 mp4->mdat_data.buf = data; | |
1106 | |
1107 if (mp4->trak.nelts) { | |
1108 /* skip atoms after mdat atom */ | |
1109 mp4->offset = mp4->end; | |
1110 | |
1111 } else { | |
1112 ngx_mp4_atom_next(mp4, atom_data_size); | |
1113 } | |
1114 | |
1115 return NGX_OK; | |
1116 } | |
1117 | |
1118 | |
1119 static size_t | |
1120 ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, off_t start_offset) | |
1121 { | |
1122 off_t atom_data_size; | |
1123 u_char *atom_header; | |
1124 uint32_t atom_header_size; | |
1125 uint64_t atom_size; | |
1126 ngx_buf_t *atom; | |
1127 | |
1128 atom_data_size = mp4->mdat_data.buf->file_last - start_offset; | |
1129 mp4->mdat_data.buf->file_pos = start_offset; | |
1130 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
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1131 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 1132 "mdat new offset @%O:%O", start_offset, atom_data_size); |
1133 | |
1134 atom_header = mp4->mdat_atom_header; | |
1135 | |
5358
670ceaba03d8
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1136 if ((uint64_t) atom_data_size > (uint64_t) 0xffffffff) { |
4085 | 1137 atom_size = 1; |
1138 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
1139 ngx_mp4_set_64value(atom_header + sizeof(ngx_mp4_atom_header_t), | |
1140 sizeof(ngx_mp4_atom_header64_t) + atom_data_size); | |
1141 } else { | |
1142 atom_size = sizeof(ngx_mp4_atom_header_t) + atom_data_size; | |
1143 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
1144 } | |
1145 | |
4282
71cdac0b9ea6
Fix of "Content-Length" header of MP4 response if start argument was used.
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parents:
4189
diff
changeset
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1146 mp4->content_length += atom_header_size + atom_data_size; |
71cdac0b9ea6
Fix of "Content-Length" header of MP4 response if start argument was used.
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1147 |
4085 | 1148 ngx_mp4_set_32value(atom_header, atom_size); |
1149 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'a', 't'); | |
1150 | |
1151 atom = &mp4->mdat_atom_buf; | |
1152 atom->temporary = 1; | |
1153 atom->pos = atom_header; | |
1154 atom->last = atom_header + atom_header_size; | |
1155 | |
1156 return atom_header_size; | |
1157 } | |
1158 | |
1159 | |
1160 typedef struct { | |
1161 u_char size[4]; | |
1162 u_char name[4]; | |
1163 u_char version[1]; | |
1164 u_char flags[3]; | |
1165 u_char creation_time[4]; | |
1166 u_char modification_time[4]; | |
1167 u_char timescale[4]; | |
1168 u_char duration[4]; | |
1169 u_char rate[4]; | |
1170 u_char volume[2]; | |
1171 u_char reserved[10]; | |
1172 u_char matrix[36]; | |
1173 u_char preview_time[4]; | |
1174 u_char preview_duration[4]; | |
1175 u_char poster_time[4]; | |
1176 u_char selection_time[4]; | |
1177 u_char selection_duration[4]; | |
1178 u_char current_time[4]; | |
1179 u_char next_track_id[4]; | |
1180 } ngx_mp4_mvhd_atom_t; | |
1181 | |
1182 typedef struct { | |
1183 u_char size[4]; | |
1184 u_char name[4]; | |
1185 u_char version[1]; | |
1186 u_char flags[3]; | |
1187 u_char creation_time[8]; | |
1188 u_char modification_time[8]; | |
1189 u_char timescale[4]; | |
1190 u_char duration[8]; | |
1191 u_char rate[4]; | |
1192 u_char volume[2]; | |
1193 u_char reserved[10]; | |
1194 u_char matrix[36]; | |
1195 u_char preview_time[4]; | |
1196 u_char preview_duration[4]; | |
1197 u_char poster_time[4]; | |
1198 u_char selection_time[4]; | |
1199 u_char selection_duration[4]; | |
1200 u_char current_time[4]; | |
1201 u_char next_track_id[4]; | |
1202 } ngx_mp4_mvhd64_atom_t; | |
1203 | |
1204 | |
1205 static ngx_int_t | |
1206 ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1207 { | |
1208 u_char *atom_header; | |
1209 size_t atom_size; | |
1210 uint32_t timescale; | |
1211 uint64_t duration; | |
1212 ngx_buf_t *atom; | |
1213 ngx_mp4_mvhd_atom_t *mvhd_atom; | |
1214 ngx_mp4_mvhd64_atom_t *mvhd64_atom; | |
1215 | |
1216 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mvhd atom"); | |
1217 | |
1218 atom_header = ngx_mp4_atom_header(mp4); | |
1219 mvhd_atom = (ngx_mp4_mvhd_atom_t *) atom_header; | |
1220 mvhd64_atom = (ngx_mp4_mvhd64_atom_t *) atom_header; | |
1221 ngx_mp4_set_atom_name(atom_header, 'm', 'v', 'h', 'd'); | |
1222 | |
4585
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1223 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd_atom_t) > atom_data_size) { |
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1224 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1225 "\"%s\" mp4 mvhd atom too small", mp4->file.name.data); |
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1226 return NGX_ERROR; |
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1227 } |
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1228 |
4085 | 1229 if (mvhd_atom->version[0] == 0) { |
1230 /* version 0: 32-bit duration */ | |
1231 timescale = ngx_mp4_get_32value(mvhd_atom->timescale); | |
1232 duration = ngx_mp4_get_32value(mvhd_atom->duration); | |
1233 | |
1234 } else { | |
1235 /* version 1: 64-bit duration */ | |
4585
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1236 |
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1237 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd64_atom_t) > atom_data_size) { |
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1238 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1239 "\"%s\" mp4 mvhd atom too small", |
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1240 mp4->file.name.data); |
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1241 return NGX_ERROR; |
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1242 } |
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|
1243 |
4085 | 1244 timescale = ngx_mp4_get_32value(mvhd64_atom->timescale); |
1245 duration = ngx_mp4_get_64value(mvhd64_atom->duration); | |
1246 } | |
1247 | |
1248 mp4->timescale = timescale; | |
1249 | |
1250 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1251 "mvhd timescale:%uD, duration:%uL, time:%.3fs", | |
1252 timescale, duration, (double) duration / timescale); | |
1253 | |
1254 duration -= (uint64_t) mp4->start * timescale / 1000; | |
1255 | |
1256 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1257 "mvhd new duration:%uL, time:%.3fs", | |
1258 duration, (double) duration / timescale); | |
1259 | |
1260 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1261 ngx_mp4_set_32value(mvhd_atom->size, atom_size); | |
1262 | |
1263 if (mvhd_atom->version[0] == 0) { | |
1264 ngx_mp4_set_32value(mvhd_atom->duration, duration); | |
1265 | |
1266 } else { | |
1267 ngx_mp4_set_64value(mvhd64_atom->duration, duration); | |
1268 } | |
1269 | |
1270 atom = &mp4->mvhd_atom_buf; | |
1271 atom->temporary = 1; | |
1272 atom->pos = atom_header; | |
1273 atom->last = atom_header + atom_size; | |
1274 | |
1275 mp4->mvhd_atom.buf = atom; | |
1276 | |
1277 ngx_mp4_atom_next(mp4, atom_data_size); | |
1278 | |
1279 return NGX_OK; | |
1280 } | |
1281 | |
1282 | |
1283 static ngx_int_t | |
1284 ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1285 { | |
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1286 u_char *atom_header, *atom_end; |
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1287 off_t atom_file_end; |
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1288 ngx_int_t rc; |
4085 | 1289 ngx_buf_t *atom; |
1290 ngx_http_mp4_trak_t *trak; | |
1291 | |
1292 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 trak atom"); | |
1293 | |
1294 trak = ngx_array_push(&mp4->trak); | |
1295 if (trak == NULL) { | |
1296 return NGX_ERROR; | |
1297 } | |
1298 | |
1299 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); | |
1300 | |
1301 atom_header = ngx_mp4_atom_header(mp4); | |
1302 ngx_mp4_set_atom_name(atom_header, 't', 'r', 'a', 'k'); | |
1303 | |
1304 atom = &trak->trak_atom_buf; | |
1305 atom->temporary = 1; | |
1306 atom->pos = atom_header; | |
1307 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1308 | |
1309 trak->out[NGX_HTTP_MP4_TRAK_ATOM].buf = atom; | |
1310 | |
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1311 atom_end = mp4->buffer_pos + (size_t) atom_data_size; |
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1312 atom_file_end = mp4->offset + atom_data_size; |
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1313 |
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1314 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_trak_atoms, atom_data_size); |
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1315 |
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1316 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1317 "mp4 trak atom: %i", rc); |
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1318 |
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1319 if (rc == NGX_DECLINED) { |
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1320 /* skip this trak */ |
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1321 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); |
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1322 mp4->trak.nelts--; |
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1323 mp4->buffer_pos = atom_end; |
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1324 mp4->offset = atom_file_end; |
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1325 return NGX_OK; |
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1326 } |
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1327 |
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1328 return rc; |
4085 | 1329 } |
1330 | |
1331 | |
1332 static void | |
1333 ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
1334 ngx_http_mp4_trak_t *trak) | |
1335 { | |
1336 ngx_buf_t *atom; | |
1337 | |
1338 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1339 atom = &trak->trak_atom_buf; | |
1340 ngx_mp4_set_32value(atom->pos, trak->size); | |
1341 } | |
1342 | |
1343 | |
1344 static ngx_int_t | |
1345 ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1346 { | |
1347 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
1348 "\"%s\" mp4 compressed moov atom (cmov) is not supported", | |
1349 mp4->file.name.data); | |
1350 | |
1351 return NGX_ERROR; | |
1352 } | |
1353 | |
1354 | |
1355 typedef struct { | |
1356 u_char size[4]; | |
1357 u_char name[4]; | |
1358 u_char version[1]; | |
1359 u_char flags[3]; | |
1360 u_char creation_time[4]; | |
1361 u_char modification_time[4]; | |
1362 u_char track_id[4]; | |
1363 u_char reserved1[4]; | |
1364 u_char duration[4]; | |
1365 u_char reserved2[8]; | |
1366 u_char layer[2]; | |
1367 u_char group[2]; | |
1368 u_char volume[2]; | |
1369 u_char reverved3[2]; | |
1370 u_char matrix[36]; | |
1371 u_char width[4]; | |
1372 u_char heigth[4]; | |
1373 } ngx_mp4_tkhd_atom_t; | |
1374 | |
1375 typedef struct { | |
1376 u_char size[4]; | |
1377 u_char name[4]; | |
1378 u_char version[1]; | |
1379 u_char flags[3]; | |
1380 u_char creation_time[8]; | |
1381 u_char modification_time[8]; | |
1382 u_char track_id[4]; | |
1383 u_char reserved1[4]; | |
1384 u_char duration[8]; | |
1385 u_char reserved2[8]; | |
1386 u_char layer[2]; | |
1387 u_char group[2]; | |
1388 u_char volume[2]; | |
1389 u_char reverved3[2]; | |
1390 u_char matrix[36]; | |
1391 u_char width[4]; | |
1392 u_char heigth[4]; | |
1393 } ngx_mp4_tkhd64_atom_t; | |
1394 | |
1395 | |
1396 static ngx_int_t | |
1397 ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1398 { | |
1399 u_char *atom_header; | |
1400 size_t atom_size; | |
1401 uint64_t duration; | |
1402 ngx_buf_t *atom; | |
1403 ngx_http_mp4_trak_t *trak; | |
1404 ngx_mp4_tkhd_atom_t *tkhd_atom; | |
1405 ngx_mp4_tkhd64_atom_t *tkhd64_atom; | |
1406 | |
1407 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 tkhd atom"); | |
1408 | |
1409 atom_header = ngx_mp4_atom_header(mp4); | |
1410 tkhd_atom = (ngx_mp4_tkhd_atom_t *) atom_header; | |
1411 tkhd64_atom = (ngx_mp4_tkhd64_atom_t *) atom_header; | |
1412 ngx_mp4_set_atom_name(tkhd_atom, 't', 'k', 'h', 'd'); | |
1413 | |
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1414 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd_atom_t) > atom_data_size) { |
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1415 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1416 "\"%s\" mp4 tkhd atom too small", mp4->file.name.data); |
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1417 return NGX_ERROR; |
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1418 } |
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1419 |
4085 | 1420 if (tkhd_atom->version[0] == 0) { |
1421 /* version 0: 32-bit duration */ | |
1422 duration = ngx_mp4_get_32value(tkhd_atom->duration); | |
1423 | |
1424 } else { | |
1425 /* version 1: 64-bit duration */ | |
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1426 |
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1427 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd64_atom_t) > atom_data_size) { |
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1428 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1429 "\"%s\" mp4 tkhd atom too small", |
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1430 mp4->file.name.data); |
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1431 return NGX_ERROR; |
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1432 } |
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1433 |
4085 | 1434 duration = ngx_mp4_get_64value(tkhd64_atom->duration); |
1435 } | |
1436 | |
1437 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1438 "tkhd duration:%uL, time:%.3fs", | |
1439 duration, (double) duration / mp4->timescale); | |
1440 | |
1441 duration -= (uint64_t) mp4->start * mp4->timescale / 1000; | |
1442 | |
1443 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1444 "tkhd new duration:%uL, time:%.3fs", | |
1445 duration, (double) duration / mp4->timescale); | |
1446 | |
1447 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1448 | |
1449 trak = ngx_mp4_last_trak(mp4); | |
1450 trak->tkhd_size = atom_size; | |
1451 | |
1452 ngx_mp4_set_32value(tkhd_atom->size, atom_size); | |
1453 | |
1454 if (tkhd_atom->version[0] == 0) { | |
1455 ngx_mp4_set_32value(tkhd_atom->duration, duration); | |
1456 | |
1457 } else { | |
1458 ngx_mp4_set_64value(tkhd64_atom->duration, duration); | |
1459 } | |
1460 | |
1461 atom = &trak->tkhd_atom_buf; | |
1462 atom->temporary = 1; | |
1463 atom->pos = atom_header; | |
1464 atom->last = atom_header + atom_size; | |
1465 | |
1466 trak->out[NGX_HTTP_MP4_TKHD_ATOM].buf = atom; | |
1467 | |
1468 ngx_mp4_atom_next(mp4, atom_data_size); | |
1469 | |
1470 return NGX_OK; | |
1471 } | |
1472 | |
1473 | |
1474 static ngx_int_t | |
1475 ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1476 { | |
1477 u_char *atom_header; | |
1478 ngx_buf_t *atom; | |
1479 ngx_http_mp4_trak_t *trak; | |
1480 | |
1481 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process mdia atom"); | |
1482 | |
1483 atom_header = ngx_mp4_atom_header(mp4); | |
1484 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'i', 'a'); | |
1485 | |
1486 trak = ngx_mp4_last_trak(mp4); | |
1487 | |
1488 atom = &trak->mdia_atom_buf; | |
1489 atom->temporary = 1; | |
1490 atom->pos = atom_header; | |
1491 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1492 | |
1493 trak->out[NGX_HTTP_MP4_MDIA_ATOM].buf = atom; | |
1494 | |
1495 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_mdia_atoms, atom_data_size); | |
1496 } | |
1497 | |
1498 | |
1499 static void | |
1500 ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
1501 ngx_http_mp4_trak_t *trak) | |
1502 { | |
1503 ngx_buf_t *atom; | |
1504 | |
1505 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1506 atom = &trak->mdia_atom_buf; | |
1507 ngx_mp4_set_32value(atom->pos, trak->size); | |
1508 } | |
1509 | |
1510 | |
1511 typedef struct { | |
1512 u_char size[4]; | |
1513 u_char name[4]; | |
1514 u_char version[1]; | |
1515 u_char flags[3]; | |
1516 u_char creation_time[4]; | |
1517 u_char modification_time[4]; | |
1518 u_char timescale[4]; | |
1519 u_char duration[4]; | |
1520 u_char language[2]; | |
1521 u_char quality[2]; | |
1522 } ngx_mp4_mdhd_atom_t; | |
1523 | |
1524 typedef struct { | |
1525 u_char size[4]; | |
1526 u_char name[4]; | |
1527 u_char version[1]; | |
1528 u_char flags[3]; | |
1529 u_char creation_time[8]; | |
1530 u_char modification_time[8]; | |
1531 u_char timescale[4]; | |
1532 u_char duration[8]; | |
1533 u_char language[2]; | |
1534 u_char quality[2]; | |
1535 } ngx_mp4_mdhd64_atom_t; | |
1536 | |
1537 | |
1538 static ngx_int_t | |
1539 ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1540 { | |
1541 u_char *atom_header; | |
1542 size_t atom_size; | |
1543 uint32_t timescale; | |
1544 uint64_t duration; | |
1545 ngx_buf_t *atom; | |
1546 ngx_http_mp4_trak_t *trak; | |
1547 ngx_mp4_mdhd_atom_t *mdhd_atom; | |
1548 ngx_mp4_mdhd64_atom_t *mdhd64_atom; | |
1549 | |
1550 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdhd atom"); | |
1551 | |
1552 atom_header = ngx_mp4_atom_header(mp4); | |
1553 mdhd_atom = (ngx_mp4_mdhd_atom_t *) atom_header; | |
1554 mdhd64_atom = (ngx_mp4_mdhd64_atom_t *) atom_header; | |
1555 ngx_mp4_set_atom_name(mdhd_atom, 'm', 'd', 'h', 'd'); | |
1556 | |
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1557 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd_atom_t) > atom_data_size) { |
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1558 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1559 "\"%s\" mp4 mdhd atom too small", mp4->file.name.data); |
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1560 return NGX_ERROR; |
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1561 } |
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1562 |
4085 | 1563 if (mdhd_atom->version[0] == 0) { |
1564 /* version 0: everything is 32-bit */ | |
1565 timescale = ngx_mp4_get_32value(mdhd_atom->timescale); | |
1566 duration = ngx_mp4_get_32value(mdhd_atom->duration); | |
1567 | |
1568 } else { | |
1569 /* version 1: 64-bit duration and 32-bit timescale */ | |
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1570 |
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1571 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd64_atom_t) > atom_data_size) { |
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1572 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1573 "\"%s\" mp4 mdhd atom too small", |
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1574 mp4->file.name.data); |
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1575 return NGX_ERROR; |
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1576 } |
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1577 |
4085 | 1578 timescale = ngx_mp4_get_32value(mdhd64_atom->timescale); |
1579 duration = ngx_mp4_get_64value(mdhd64_atom->duration); | |
1580 } | |
1581 | |
1582 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1583 "mdhd timescale:%uD, duration:%uL, time:%.3fs", | |
1584 timescale, duration, (double) duration / timescale); | |
1585 | |
1586 duration -= (uint64_t) mp4->start * timescale / 1000; | |
1587 | |
1588 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1589 "mdhd new duration:%uL, time:%.3fs", | |
1590 duration, (double) duration / timescale); | |
1591 | |
1592 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1593 | |
1594 trak = ngx_mp4_last_trak(mp4); | |
1595 trak->mdhd_size = atom_size; | |
1596 trak->timescale = timescale; | |
1597 | |
1598 ngx_mp4_set_32value(mdhd_atom->size, atom_size); | |
1599 | |
1600 if (mdhd_atom->version[0] == 0) { | |
1601 ngx_mp4_set_32value(mdhd_atom->duration, duration); | |
1602 | |
1603 } else { | |
1604 ngx_mp4_set_64value(mdhd64_atom->duration, duration); | |
1605 } | |
1606 | |
1607 atom = &trak->mdhd_atom_buf; | |
1608 atom->temporary = 1; | |
1609 atom->pos = atom_header; | |
1610 atom->last = atom_header + atom_size; | |
1611 | |
1612 trak->out[NGX_HTTP_MP4_MDHD_ATOM].buf = atom; | |
1613 | |
1614 ngx_mp4_atom_next(mp4, atom_data_size); | |
1615 | |
1616 return NGX_OK; | |
1617 } | |
1618 | |
1619 | |
1620 static ngx_int_t | |
1621 ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1622 { | |
1623 u_char *atom_header; | |
1624 size_t atom_size; | |
1625 ngx_buf_t *atom; | |
1626 ngx_http_mp4_trak_t *trak; | |
1627 | |
1628 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 hdlr atom"); | |
1629 | |
1630 atom_header = ngx_mp4_atom_header(mp4); | |
1631 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1632 ngx_mp4_set_32value(atom_header, atom_size); | |
1633 ngx_mp4_set_atom_name(atom_header, 'h', 'd', 'l', 'r'); | |
1634 | |
1635 trak = ngx_mp4_last_trak(mp4); | |
1636 | |
1637 atom = &trak->hdlr_atom_buf; | |
1638 atom->temporary = 1; | |
1639 atom->pos = atom_header; | |
1640 atom->last = atom_header + atom_size; | |
1641 | |
1642 trak->hdlr_size = atom_size; | |
1643 trak->out[NGX_HTTP_MP4_HDLR_ATOM].buf = atom; | |
1644 | |
1645 ngx_mp4_atom_next(mp4, atom_data_size); | |
1646 | |
1647 return NGX_OK; | |
1648 } | |
1649 | |
1650 | |
1651 static ngx_int_t | |
1652 ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1653 { | |
1654 u_char *atom_header; | |
1655 ngx_buf_t *atom; | |
1656 ngx_http_mp4_trak_t *trak; | |
1657 | |
1658 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process minf atom"); | |
1659 | |
1660 atom_header = ngx_mp4_atom_header(mp4); | |
1661 ngx_mp4_set_atom_name(atom_header, 'm', 'i', 'n', 'f'); | |
1662 | |
1663 trak = ngx_mp4_last_trak(mp4); | |
1664 | |
1665 atom = &trak->minf_atom_buf; | |
1666 atom->temporary = 1; | |
1667 atom->pos = atom_header; | |
1668 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1669 | |
1670 trak->out[NGX_HTTP_MP4_MINF_ATOM].buf = atom; | |
1671 | |
1672 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_minf_atoms, atom_data_size); | |
1673 } | |
1674 | |
1675 | |
1676 static void | |
1677 ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
1678 ngx_http_mp4_trak_t *trak) | |
1679 { | |
1680 ngx_buf_t *atom; | |
1681 | |
1682 trak->size += sizeof(ngx_mp4_atom_header_t) | |
1683 + trak->vmhd_size | |
1684 + trak->smhd_size | |
1685 + trak->dinf_size; | |
1686 atom = &trak->minf_atom_buf; | |
1687 ngx_mp4_set_32value(atom->pos, trak->size); | |
1688 } | |
1689 | |
1690 | |
1691 static ngx_int_t | |
1692 ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1693 { | |
1694 u_char *atom_header; | |
1695 size_t atom_size; | |
1696 ngx_buf_t *atom; | |
1697 ngx_http_mp4_trak_t *trak; | |
1698 | |
1699 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 vmhd atom"); | |
1700 | |
1701 atom_header = ngx_mp4_atom_header(mp4); | |
1702 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1703 ngx_mp4_set_32value(atom_header, atom_size); | |
1704 ngx_mp4_set_atom_name(atom_header, 'v', 'm', 'h', 'd'); | |
1705 | |
1706 trak = ngx_mp4_last_trak(mp4); | |
1707 | |
1708 atom = &trak->vmhd_atom_buf; | |
1709 atom->temporary = 1; | |
1710 atom->pos = atom_header; | |
1711 atom->last = atom_header + atom_size; | |
1712 | |
1713 trak->vmhd_size += atom_size; | |
1714 trak->out[NGX_HTTP_MP4_VMHD_ATOM].buf = atom; | |
1715 | |
1716 ngx_mp4_atom_next(mp4, atom_data_size); | |
1717 | |
1718 return NGX_OK; | |
1719 } | |
1720 | |
1721 | |
1722 static ngx_int_t | |
1723 ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1724 { | |
1725 u_char *atom_header; | |
1726 size_t atom_size; | |
1727 ngx_buf_t *atom; | |
1728 ngx_http_mp4_trak_t *trak; | |
1729 | |
1730 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 smhd atom"); | |
1731 | |
1732 atom_header = ngx_mp4_atom_header(mp4); | |
1733 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1734 ngx_mp4_set_32value(atom_header, atom_size); | |
1735 ngx_mp4_set_atom_name(atom_header, 's', 'm', 'h', 'd'); | |
1736 | |
1737 trak = ngx_mp4_last_trak(mp4); | |
1738 | |
1739 atom = &trak->smhd_atom_buf; | |
1740 atom->temporary = 1; | |
1741 atom->pos = atom_header; | |
1742 atom->last = atom_header + atom_size; | |
1743 | |
1744 trak->vmhd_size += atom_size; | |
1745 trak->out[NGX_HTTP_MP4_SMHD_ATOM].buf = atom; | |
1746 | |
1747 ngx_mp4_atom_next(mp4, atom_data_size); | |
1748 | |
1749 return NGX_OK; | |
1750 } | |
1751 | |
1752 | |
1753 static ngx_int_t | |
1754 ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1755 { | |
1756 u_char *atom_header; | |
1757 size_t atom_size; | |
1758 ngx_buf_t *atom; | |
1759 ngx_http_mp4_trak_t *trak; | |
1760 | |
1761 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 dinf atom"); | |
1762 | |
1763 atom_header = ngx_mp4_atom_header(mp4); | |
1764 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1765 ngx_mp4_set_32value(atom_header, atom_size); | |
1766 ngx_mp4_set_atom_name(atom_header, 'd', 'i', 'n', 'f'); | |
1767 | |
1768 trak = ngx_mp4_last_trak(mp4); | |
1769 | |
1770 atom = &trak->dinf_atom_buf; | |
1771 atom->temporary = 1; | |
1772 atom->pos = atom_header; | |
1773 atom->last = atom_header + atom_size; | |
1774 | |
1775 trak->dinf_size += atom_size; | |
1776 trak->out[NGX_HTTP_MP4_DINF_ATOM].buf = atom; | |
1777 | |
1778 ngx_mp4_atom_next(mp4, atom_data_size); | |
1779 | |
1780 return NGX_OK; | |
1781 } | |
1782 | |
1783 | |
1784 static ngx_int_t | |
1785 ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1786 { | |
1787 u_char *atom_header; | |
1788 ngx_buf_t *atom; | |
1789 ngx_http_mp4_trak_t *trak; | |
1790 | |
1791 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process stbl atom"); | |
1792 | |
1793 atom_header = ngx_mp4_atom_header(mp4); | |
1794 ngx_mp4_set_atom_name(atom_header, 's', 't', 'b', 'l'); | |
1795 | |
1796 trak = ngx_mp4_last_trak(mp4); | |
1797 | |
1798 atom = &trak->stbl_atom_buf; | |
1799 atom->temporary = 1; | |
1800 atom->pos = atom_header; | |
1801 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
1802 | |
1803 trak->out[NGX_HTTP_MP4_STBL_ATOM].buf = atom; | |
1804 | |
1805 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_stbl_atoms, atom_data_size); | |
1806 } | |
1807 | |
1808 | |
1809 static void | |
1810 ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
1811 ngx_http_mp4_trak_t *trak) | |
1812 { | |
1813 ngx_buf_t *atom; | |
1814 | |
1815 trak->size += sizeof(ngx_mp4_atom_header_t); | |
1816 atom = &trak->stbl_atom_buf; | |
1817 ngx_mp4_set_32value(atom->pos, trak->size); | |
1818 } | |
1819 | |
1820 | |
1821 typedef struct { | |
1822 u_char size[4]; | |
1823 u_char name[4]; | |
1824 u_char version[1]; | |
1825 u_char flags[3]; | |
1826 u_char entries[4]; | |
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1827 |
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1828 u_char media_size[4]; |
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1829 u_char media_name[4]; |
4085 | 1830 } ngx_mp4_stsd_atom_t; |
1831 | |
1832 | |
1833 static ngx_int_t | |
1834 ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1835 { | |
1836 u_char *atom_header, *atom_table; | |
1837 size_t atom_size; | |
1838 ngx_buf_t *atom; | |
1839 ngx_mp4_stsd_atom_t *stsd_atom; | |
1840 ngx_http_mp4_trak_t *trak; | |
1841 | |
1842 /* sample description atom */ | |
1843 | |
1844 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsd atom"); | |
1845 | |
1846 atom_header = ngx_mp4_atom_header(mp4); | |
1847 stsd_atom = (ngx_mp4_stsd_atom_t *) atom_header; | |
1848 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
1849 atom_table = atom_header + atom_size; | |
1850 ngx_mp4_set_32value(stsd_atom->size, atom_size); | |
1851 ngx_mp4_set_atom_name(stsd_atom, 's', 't', 's', 'd'); | |
1852 | |
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1853 if (ngx_mp4_atom_data_size(ngx_mp4_stsd_atom_t) > atom_data_size) { |
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1854 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1855 "\"%s\" mp4 stsd atom too small", mp4->file.name.data); |
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1856 return NGX_ERROR; |
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1857 } |
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1858 |
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1859 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1860 "stsd entries:%uD, media:%*s", |
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1861 ngx_mp4_get_32value(stsd_atom->entries), |
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1862 4, stsd_atom->media_name); |
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1863 |
4085 | 1864 trak = ngx_mp4_last_trak(mp4); |
1865 | |
1866 atom = &trak->stsd_atom_buf; | |
1867 atom->temporary = 1; | |
1868 atom->pos = atom_header; | |
1869 atom->last = atom_table; | |
1870 | |
1871 trak->out[NGX_HTTP_MP4_STSD_ATOM].buf = atom; | |
1872 trak->size += atom_size; | |
1873 | |
1874 ngx_mp4_atom_next(mp4, atom_data_size); | |
1875 | |
1876 return NGX_OK; | |
1877 } | |
1878 | |
1879 | |
1880 typedef struct { | |
1881 u_char size[4]; | |
1882 u_char name[4]; | |
1883 u_char version[1]; | |
1884 u_char flags[3]; | |
1885 u_char entries[4]; | |
1886 } ngx_mp4_stts_atom_t; | |
1887 | |
1888 typedef struct { | |
1889 u_char count[4]; | |
1890 u_char duration[4]; | |
1891 } ngx_mp4_stts_entry_t; | |
1892 | |
1893 | |
1894 static ngx_int_t | |
1895 ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
1896 { | |
1897 u_char *atom_header, *atom_table, *atom_end; | |
1898 uint32_t entries; | |
1899 ngx_buf_t *atom, *data; | |
1900 ngx_mp4_stts_atom_t *stts_atom; | |
1901 ngx_http_mp4_trak_t *trak; | |
1902 | |
1903 /* time-to-sample atom */ | |
1904 | |
1905 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stts atom"); | |
1906 | |
1907 atom_header = ngx_mp4_atom_header(mp4); | |
1908 stts_atom = (ngx_mp4_stts_atom_t *) atom_header; | |
1909 ngx_mp4_set_atom_name(stts_atom, 's', 't', 't', 's'); | |
1910 | |
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1911 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) > atom_data_size) { |
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1912 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1913 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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1914 return NGX_ERROR; |
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1915 } |
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1916 |
4085 | 1917 entries = ngx_mp4_get_32value(stts_atom->entries); |
1918 | |
1919 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 1920 "mp4 time-to-sample entries:%uD", entries); |
4085 | 1921 |
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1922 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) |
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1923 + entries * sizeof(ngx_mp4_stts_entry_t) > atom_data_size) |
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1924 { |
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1925 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1926 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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1927 return NGX_ERROR; |
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1928 } |
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1929 |
4085 | 1930 atom_table = atom_header + sizeof(ngx_mp4_stts_atom_t); |
1931 atom_end = atom_table + entries * sizeof(ngx_mp4_stts_entry_t); | |
1932 | |
1933 trak = ngx_mp4_last_trak(mp4); | |
1934 trak->time_to_sample_entries = entries; | |
1935 | |
1936 atom = &trak->stts_atom_buf; | |
1937 atom->temporary = 1; | |
1938 atom->pos = atom_header; | |
1939 atom->last = atom_table; | |
1940 | |
1941 data = &trak->stts_data_buf; | |
1942 data->temporary = 1; | |
1943 data->pos = atom_table; | |
1944 data->last = atom_end; | |
1945 | |
1946 trak->out[NGX_HTTP_MP4_STTS_ATOM].buf = atom; | |
1947 trak->out[NGX_HTTP_MP4_STTS_DATA].buf = data; | |
1948 | |
1949 ngx_mp4_atom_next(mp4, atom_data_size); | |
1950 | |
1951 return NGX_OK; | |
1952 } | |
1953 | |
1954 | |
1955 static ngx_int_t | |
1956 ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
1957 ngx_http_mp4_trak_t *trak) | |
1958 { | |
1959 size_t atom_size; | |
1960 uint32_t entries, count, duration; | |
1961 uint64_t start_time; | |
1962 ngx_buf_t *atom, *data; | |
1963 ngx_uint_t start_sample; | |
1964 ngx_mp4_stts_atom_t *stts_atom; | |
1965 ngx_mp4_stts_entry_t *entry, *end; | |
1966 | |
1967 /* | |
1968 * mdia.minf.stbl.stts updating requires trak->timescale | |
1969 * from mdia.mdhd atom which may reside after mdia.minf | |
1970 */ | |
1971 | |
1972 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1973 "mp4 stts atom update"); | |
1974 | |
1975 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; | |
1976 | |
1977 if (data == NULL) { | |
1978 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
1979 "no mp4 stts atoms were found in \"%s\"", | |
1980 mp4->file.name.data); | |
1981 return NGX_ERROR; | |
1982 } | |
1983 | |
1984 entries = trak->time_to_sample_entries; | |
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Fixing mp4 module seeking on 32-bit platforms.
Igor Sysoev <igor@sysoev.ru>
parents:
4156
diff
changeset
|
1985 start_time = (uint64_t) mp4->start * trak->timescale / 1000; |
4085 | 1986 |
1987 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 1988 "time-to-sample start_time:%uL", start_time); |
4085 | 1989 |
1990 start_sample = 0; | |
1991 entry = (ngx_mp4_stts_entry_t *) data->pos; | |
1992 end = (ngx_mp4_stts_entry_t *) data->last; | |
1993 | |
1994 while (entry < end) { | |
1995 count = ngx_mp4_get_32value(entry->count); | |
1996 duration = ngx_mp4_get_32value(entry->duration); | |
1997 | |
1998 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
1999 "count:%uD, duration:%uD", count, duration); | |
2000 | |
4306 | 2001 if (start_time < (uint64_t) count * duration) { |
4085 | 2002 start_sample += (ngx_uint_t) (start_time / duration); |
4578 | 2003 count -= (uint32_t) (start_time / duration); |
4085 | 2004 ngx_mp4_set_32value(entry->count, count); |
2005 goto found; | |
2006 } | |
2007 | |
2008 start_sample += count; | |
2009 start_time -= count * duration; | |
2010 entries--; | |
2011 entry++; | |
2012 } | |
2013 | |
2014 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
4094 | 2015 "start time is out mp4 stts samples in \"%s\"", |
4085 | 2016 mp4->file.name.data); |
2017 | |
2018 return NGX_ERROR; | |
2019 | |
2020 found: | |
2021 | |
2022 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2023 "start_sample:%ui, new count:%uD", start_sample, count); | |
2024 | |
2025 trak->start_sample = start_sample; | |
2026 | |
2027 data->pos = (u_char *) entry; | |
2028 atom_size = sizeof(ngx_mp4_stts_atom_t) + (data->last - data->pos); | |
2029 trak->size += atom_size; | |
2030 | |
2031 atom = trak->out[NGX_HTTP_MP4_STTS_ATOM].buf; | |
2032 stts_atom = (ngx_mp4_stts_atom_t *) atom->pos; | |
2033 ngx_mp4_set_32value(stts_atom->size, atom_size); | |
2034 ngx_mp4_set_32value(stts_atom->entries, entries); | |
2035 | |
2036 return NGX_OK; | |
2037 } | |
2038 | |
2039 | |
2040 typedef struct { | |
2041 u_char size[4]; | |
2042 u_char name[4]; | |
2043 u_char version[1]; | |
2044 u_char flags[3]; | |
2045 u_char entries[4]; | |
2046 } ngx_http_mp4_stss_atom_t; | |
2047 | |
2048 | |
2049 static ngx_int_t | |
2050 ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2051 { | |
2052 u_char *atom_header, *atom_table, *atom_end; | |
2053 uint32_t entries; | |
2054 ngx_buf_t *atom, *data; | |
2055 ngx_http_mp4_trak_t *trak; | |
2056 ngx_http_mp4_stss_atom_t *stss_atom; | |
2057 | |
2058 /* sync samples atom */ | |
2059 | |
2060 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stss atom"); | |
2061 | |
2062 atom_header = ngx_mp4_atom_header(mp4); | |
2063 stss_atom = (ngx_http_mp4_stss_atom_t *) atom_header; | |
2064 ngx_mp4_set_atom_name(stss_atom, 's', 't', 's', 's'); | |
2065 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2066 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2067 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2068 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2069 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2070 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2071 |
4085 | 2072 entries = ngx_mp4_get_32value(stss_atom->entries); |
2073 | |
2074 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2075 "sync sample entries:%uD", entries); |
4085 | 2076 |
2077 trak = ngx_mp4_last_trak(mp4); | |
2078 trak->sync_samples_entries = entries; | |
2079 | |
2080 atom_table = atom_header + sizeof(ngx_http_mp4_stss_atom_t); | |
2081 | |
2082 atom = &trak->stss_atom_buf; | |
2083 atom->temporary = 1; | |
2084 atom->pos = atom_header; | |
2085 atom->last = atom_table; | |
2086 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2087 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2088 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2089 { |
4085 | 2090 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
|
2091 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
4085 | 2092 return NGX_ERROR; |
2093 } | |
2094 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2095 atom_end = atom_table + entries * sizeof(uint32_t); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2096 |
4085 | 2097 data = &trak->stss_data_buf; |
2098 data->temporary = 1; | |
2099 data->pos = atom_table; | |
2100 data->last = atom_end; | |
2101 | |
2102 trak->out[NGX_HTTP_MP4_STSS_ATOM].buf = atom; | |
2103 trak->out[NGX_HTTP_MP4_STSS_DATA].buf = data; | |
2104 | |
2105 ngx_mp4_atom_next(mp4, atom_data_size); | |
2106 | |
2107 return NGX_OK; | |
2108 } | |
2109 | |
2110 | |
2111 static ngx_int_t | |
2112 ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
2113 ngx_http_mp4_trak_t *trak) | |
2114 { | |
2115 size_t atom_size; | |
2116 uint32_t entries, sample, start_sample, *entry, *end; | |
2117 ngx_buf_t *atom, *data; | |
2118 ngx_http_mp4_stss_atom_t *stss_atom; | |
2119 | |
2120 /* | |
2121 * mdia.minf.stbl.stss updating requires trak->start_sample | |
2122 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2123 * atom which may reside after mdia.minf | |
2124 */ | |
2125 | |
2126 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2127 "mp4 stss atom update"); | |
2128 | |
2129 data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; | |
2130 | |
2131 if (data == NULL) { | |
2132 return NGX_OK; | |
2133 } | |
2134 | |
2135 /* sync samples starts from 1 */ | |
2136 start_sample = trak->start_sample + 1; | |
2137 entries = trak->sync_samples_entries; | |
2138 | |
2139 entry = (uint32_t *) data->pos; | |
2140 end = (uint32_t *) data->last; | |
2141 | |
2142 while (entry < end) { | |
2143 sample = ngx_mp4_get_32value(entry); | |
2144 | |
2145 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2146 "start:%uD, sync:%uD", start_sample, sample); | |
2147 | |
2148 if (sample >= start_sample) { | |
2149 goto found; | |
2150 } | |
2151 | |
2152 entries--; | |
2153 entry++; | |
2154 } | |
2155 | |
2156 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2157 "start sample is out of mp4 stss atom in \"%s\"", | |
2158 mp4->file.name.data); | |
2159 | |
2160 return NGX_ERROR; | |
2161 | |
2162 found: | |
2163 | |
2164 data->pos = (u_char *) entry; | |
2165 | |
2166 start_sample = trak->start_sample; | |
2167 | |
2168 while (entry < end) { | |
2169 sample = ngx_mp4_get_32value(entry); | |
2170 sample -= start_sample; | |
2171 ngx_mp4_set_32value(entry, sample); | |
2172 entry++; | |
2173 } | |
2174 | |
2175 atom_size = sizeof(ngx_http_mp4_stss_atom_t) + (data->last - data->pos); | |
2176 trak->size += atom_size; | |
2177 | |
2178 atom = trak->out[NGX_HTTP_MP4_STSS_ATOM].buf; | |
2179 stss_atom = (ngx_http_mp4_stss_atom_t *) atom->pos; | |
2180 | |
2181 ngx_mp4_set_32value(stss_atom->size, atom_size); | |
2182 ngx_mp4_set_32value(stss_atom->entries, entries); | |
2183 | |
2184 return NGX_OK; | |
2185 } | |
2186 | |
2187 | |
2188 typedef struct { | |
2189 u_char size[4]; | |
2190 u_char name[4]; | |
2191 u_char version[1]; | |
2192 u_char flags[3]; | |
2193 u_char entries[4]; | |
2194 } ngx_mp4_ctts_atom_t; | |
2195 | |
2196 typedef struct { | |
2197 u_char count[4]; | |
2198 u_char offset[4]; | |
2199 } ngx_mp4_ctts_entry_t; | |
2200 | |
2201 | |
2202 static ngx_int_t | |
2203 ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2204 { | |
2205 u_char *atom_header, *atom_table, *atom_end; | |
2206 uint32_t entries; | |
2207 ngx_buf_t *atom, *data; | |
2208 ngx_mp4_ctts_atom_t *ctts_atom; | |
2209 ngx_http_mp4_trak_t *trak; | |
2210 | |
2211 /* composition offsets atom */ | |
2212 | |
2213 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ctts atom"); | |
2214 | |
2215 atom_header = ngx_mp4_atom_header(mp4); | |
2216 ctts_atom = (ngx_mp4_ctts_atom_t *) atom_header; | |
2217 ngx_mp4_set_atom_name(ctts_atom, 'c', 't', 't', 's'); | |
2218 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2219 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
|
2220 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2221 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2222 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2223 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2224 |
4085 | 2225 entries = ngx_mp4_get_32value(ctts_atom->entries); |
2226 | |
2227 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2228 "composition offset entries:%uD", entries); |
4085 | 2229 |
2230 trak = ngx_mp4_last_trak(mp4); | |
2231 trak->composition_offset_entries = entries; | |
2232 | |
2233 atom_table = atom_header + sizeof(ngx_mp4_ctts_atom_t); | |
2234 | |
2235 atom = &trak->ctts_atom_buf; | |
2236 atom->temporary = 1; | |
2237 atom->pos = atom_header; | |
2238 atom->last = atom_table; | |
2239 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2240 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
|
2241 + entries * sizeof(ngx_mp4_ctts_entry_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2242 { |
4085 | 2243 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
|
2244 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
4085 | 2245 return NGX_ERROR; |
2246 } | |
2247 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2248 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
|
2249 |
4085 | 2250 data = &trak->ctts_data_buf; |
2251 data->temporary = 1; | |
2252 data->pos = atom_table; | |
2253 data->last = atom_end; | |
2254 | |
2255 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = atom; | |
2256 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = data; | |
2257 | |
2258 ngx_mp4_atom_next(mp4, atom_data_size); | |
2259 | |
2260 return NGX_OK; | |
2261 } | |
2262 | |
2263 | |
2264 static void | |
2265 ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
2266 ngx_http_mp4_trak_t *trak) | |
2267 { | |
2268 size_t atom_size; | |
2269 uint32_t entries, count, start_sample; | |
2270 ngx_buf_t *atom, *data; | |
2271 ngx_mp4_ctts_atom_t *ctts_atom; | |
2272 ngx_mp4_ctts_entry_t *entry, *end; | |
2273 | |
2274 /* | |
2275 * mdia.minf.stbl.ctts updating requires trak->start_sample | |
2276 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2277 * atom which may reside after mdia.minf | |
2278 */ | |
2279 | |
2280 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2281 "mp4 ctts atom update"); | |
2282 | |
2283 data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf; | |
2284 | |
2285 if (data == NULL) { | |
2286 return; | |
2287 } | |
2288 | |
2289 /* sync samples starts from 1 */ | |
2290 start_sample = trak->start_sample + 1; | |
2291 entries = trak->composition_offset_entries; | |
2292 entry = (ngx_mp4_ctts_entry_t *) data->pos; | |
2293 end = (ngx_mp4_ctts_entry_t *) data->last; | |
2294 | |
2295 while (entry < end) { | |
2296 count = ngx_mp4_get_32value(entry->count); | |
2297 | |
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
2298 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4085 | 2299 "start:%uD, count:%uD, offset:%uD", |
2300 start_sample, count, ngx_mp4_get_32value(entry->offset)); | |
2301 | |
2302 if (start_sample <= count) { | |
2303 count -= (start_sample - 1); | |
2304 ngx_mp4_set_32value(entry->count, count); | |
2305 goto found; | |
2306 } | |
2307 | |
2308 start_sample -= count; | |
2309 entries--; | |
2310 entry++; | |
2311 } | |
2312 | |
2313 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = NULL; | |
2314 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = NULL; | |
2315 | |
2316 return; | |
2317 | |
2318 found: | |
2319 | |
2320 data->pos = (u_char *) entry; | |
2321 atom_size = sizeof(ngx_mp4_ctts_atom_t) + (data->last - data->pos); | |
2322 trak->size += atom_size; | |
2323 | |
2324 atom = trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf; | |
2325 ctts_atom = (ngx_mp4_ctts_atom_t *) atom->pos; | |
2326 | |
2327 ngx_mp4_set_32value(ctts_atom->size, atom_size); | |
2328 ngx_mp4_set_32value(ctts_atom->entries, entries); | |
2329 | |
2330 return; | |
2331 } | |
2332 | |
2333 | |
2334 typedef struct { | |
2335 u_char size[4]; | |
2336 u_char name[4]; | |
2337 u_char version[1]; | |
2338 u_char flags[3]; | |
2339 u_char entries[4]; | |
2340 } ngx_mp4_stsc_atom_t; | |
2341 | |
2342 | |
2343 static ngx_int_t | |
2344 ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2345 { | |
2346 u_char *atom_header, *atom_table, *atom_end; | |
2347 uint32_t entries; | |
2348 ngx_buf_t *atom, *data; | |
2349 ngx_mp4_stsc_atom_t *stsc_atom; | |
2350 ngx_http_mp4_trak_t *trak; | |
2351 | |
2352 /* sample-to-chunk atom */ | |
2353 | |
2354 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsc atom"); | |
2355 | |
2356 atom_header = ngx_mp4_atom_header(mp4); | |
2357 stsc_atom = (ngx_mp4_stsc_atom_t *) atom_header; | |
2358 ngx_mp4_set_atom_name(stsc_atom, 's', 't', 's', 'c'); | |
2359 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2360 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
|
2361 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2362 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2363 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2364 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2365 |
4085 | 2366 entries = ngx_mp4_get_32value(stsc_atom->entries); |
2367 | |
2368 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
4096 | 2369 "sample-to-chunk entries:%uD", entries); |
4085 | 2370 |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2371 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
|
2372 + entries * sizeof(ngx_mp4_stsc_entry_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2373 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2374 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2375 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2376 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2377 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2378 |
4085 | 2379 atom_table = atom_header + sizeof(ngx_mp4_stsc_atom_t); |
2380 atom_end = atom_table + entries * sizeof(ngx_mp4_stsc_entry_t); | |
2381 | |
2382 trak = ngx_mp4_last_trak(mp4); | |
2383 trak->sample_to_chunk_entries = entries; | |
2384 | |
2385 atom = &trak->stsc_atom_buf; | |
2386 atom->temporary = 1; | |
2387 atom->pos = atom_header; | |
2388 atom->last = atom_table; | |
2389 | |
2390 data = &trak->stsc_data_buf; | |
2391 data->temporary = 1; | |
2392 data->pos = atom_table; | |
2393 data->last = atom_end; | |
2394 | |
2395 trak->out[NGX_HTTP_MP4_STSC_ATOM].buf = atom; | |
2396 trak->out[NGX_HTTP_MP4_STSC_DATA].buf = data; | |
2397 | |
2398 ngx_mp4_atom_next(mp4, atom_data_size); | |
2399 | |
2400 return NGX_OK; | |
2401 } | |
2402 | |
2403 | |
2404 static ngx_int_t | |
2405 ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
2406 ngx_http_mp4_trak_t *trak) | |
2407 { | |
2408 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
|
2409 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
|
2410 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
|
2411 ngx_buf_t *atom, *data, *buf; |
4085 | 2412 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
|
2413 ngx_mp4_stsc_entry_t *entry, *first, *end; |
4085 | 2414 |
2415 /* | |
2416 * mdia.minf.stbl.stsc updating requires trak->start_sample | |
2417 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2418 * atom which may reside after mdia.minf | |
2419 */ | |
2420 | |
2421 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2422 "mp4 stsc atom update"); | |
2423 | |
2424 data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf; | |
2425 | |
2426 if (data == NULL) { | |
2427 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2428 "no mp4 stsc atoms were found in \"%s\"", | |
2429 mp4->file.name.data); | |
2430 return NGX_ERROR; | |
2431 } | |
2432 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2433 if (trak->sample_to_chunk_entries == 0) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2434 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2435 "zero number of entries in stsc atom in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2436 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2437 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2438 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2439 |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2440 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
|
2441 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
|
2442 |
4085 | 2443 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
2444 end = (ngx_mp4_stsc_entry_t *) data->last; | |
2445 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2446 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
|
2447 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
|
2448 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
|
2449 entry++; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2450 |
4085 | 2451 while (entry < end) { |
2452 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2453 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
|
2454 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2455 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
|
2456 "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
|
2457 "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
|
2458 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
|
2459 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2460 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
|
2461 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2462 if (start_sample <= n) { |
4085 | 2463 goto found; |
2464 } | |
2465 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2466 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
|
2467 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2468 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
|
2469 samples = ngx_mp4_get_32value(entry->samples); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2470 id = ngx_mp4_get_32value(entry->id); |
4085 | 2471 entries--; |
2472 entry++; | |
2473 } | |
2474 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2475 next_chunk = trak->chunks; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2476 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2477 ngx_log_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
|
2478 "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
|
2479 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
|
2480 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2481 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
|
2482 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2483 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
|
2484 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
|
2485 "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
|
2486 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
|
2487 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
|
2488 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2489 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2490 found: |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2491 |
4085 | 2492 entries++; |
2493 entry--; | |
2494 | |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2495 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
|
2496 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
|
2497 "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
|
2498 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
|
2499 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
|
2500 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2501 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2502 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
|
2503 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2504 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
|
2505 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
|
2506 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2507 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
|
2508 "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
|
2509 trak->start_chunk, trak->chunk_samples); |
4085 | 2510 |
2511 data->pos = (u_char *) entry; | |
2512 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
|
2513 |
4382
b4d54fa76853
Fixed mp4 if first entry in stsc was skipped (ticket #72).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4306
diff
changeset
|
2514 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
|
2515 |
4687
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2516 if (trak->chunk_samples && next_chunk - trak->start_chunk == 2) { |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2517 |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2518 /* last chunk in the entry */ |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2519 |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2520 ngx_mp4_set_32value(entry->samples, samples - trak->chunk_samples); |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2521 |
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2522 } 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
|
2523 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2524 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
|
2525 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
|
2526 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
|
2527 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
|
2528 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2529 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
|
2530 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
|
2531 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
|
2532 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
|
2533 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2534 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
|
2535 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2536 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
|
2537 |
4687
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2538 entries++; |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2539 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
|
2540 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2541 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2542 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
|
2543 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
|
2544 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
|
2545 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
|
2546 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2547 |
4085 | 2548 trak->size += atom_size; |
2549 | |
2550 atom = trak->out[NGX_HTTP_MP4_STSC_ATOM].buf; | |
2551 stsc_atom = (ngx_mp4_stsc_atom_t *) atom->pos; | |
2552 | |
2553 ngx_mp4_set_32value(stsc_atom->size, atom_size); | |
2554 ngx_mp4_set_32value(stsc_atom->entries, entries); | |
2555 | |
2556 return NGX_OK; | |
2557 } | |
2558 | |
2559 | |
2560 typedef struct { | |
2561 u_char size[4]; | |
2562 u_char name[4]; | |
2563 u_char version[1]; | |
2564 u_char flags[3]; | |
2565 u_char uniform_size[4]; | |
2566 u_char entries[4]; | |
2567 } ngx_mp4_stsz_atom_t; | |
2568 | |
2569 | |
2570 static ngx_int_t | |
2571 ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2572 { | |
2573 u_char *atom_header, *atom_table, *atom_end; | |
2574 size_t atom_size; | |
2575 uint32_t entries, size; | |
2576 ngx_buf_t *atom, *data; | |
2577 ngx_mp4_stsz_atom_t *stsz_atom; | |
2578 ngx_http_mp4_trak_t *trak; | |
2579 | |
2580 /* sample sizes atom */ | |
2581 | |
2582 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsz atom"); | |
2583 | |
2584 atom_header = ngx_mp4_atom_header(mp4); | |
2585 stsz_atom = (ngx_mp4_stsz_atom_t *) atom_header; | |
2586 ngx_mp4_set_atom_name(stsz_atom, 's', 't', 's', 'z'); | |
2587 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2588 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
|
2589 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2590 "\"%s\" mp4 stsz atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2591 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2592 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2593 |
4085 | 2594 size = ngx_mp4_get_32value(stsz_atom->uniform_size); |
2595 entries = ngx_mp4_get_32value(stsz_atom->entries); | |
2596 | |
2597 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2598 "sample uniform size:%uD, entries:%uD", size, entries); | |
2599 | |
2600 trak = ngx_mp4_last_trak(mp4); | |
2601 trak->sample_sizes_entries = entries; | |
2602 | |
2603 atom_table = atom_header + sizeof(ngx_mp4_stsz_atom_t); | |
2604 | |
2605 atom = &trak->stsz_atom_buf; | |
2606 atom->temporary = 1; | |
2607 atom->pos = atom_header; | |
2608 atom->last = atom_table; | |
2609 | |
2610 trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf = atom; | |
2611 | |
2612 if (size == 0) { | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2613 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
|
2614 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2615 { |
4085 | 2616 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
|
2617 "\"%s\" mp4 stsz atom too small", |
4085 | 2618 mp4->file.name.data); |
2619 return NGX_ERROR; | |
2620 } | |
2621 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2622 atom_end = atom_table + entries * sizeof(uint32_t); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2623 |
4085 | 2624 data = &trak->stsz_data_buf; |
2625 data->temporary = 1; | |
2626 data->pos = atom_table; | |
2627 data->last = atom_end; | |
2628 | |
2629 trak->out[NGX_HTTP_MP4_STSZ_DATA].buf = data; | |
2630 | |
2631 } else { | |
2632 /* 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
|
2633 /* TODO : chunk samples */ |
4085 | 2634 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; |
2635 ngx_mp4_set_32value(atom_header, atom_size); | |
2636 trak->size += atom_size; | |
2637 } | |
2638 | |
2639 ngx_mp4_atom_next(mp4, atom_data_size); | |
2640 | |
2641 return NGX_OK; | |
2642 } | |
2643 | |
2644 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2645 static ngx_int_t |
4085 | 2646 ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
2647 ngx_http_mp4_trak_t *trak) | |
2648 { | |
2649 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
|
2650 uint32_t *pos, *end; |
4085 | 2651 ngx_buf_t *atom, *data; |
2652 ngx_mp4_stsz_atom_t *stsz_atom; | |
2653 | |
2654 /* | |
2655 * mdia.minf.stbl.stsz updating requires trak->start_sample | |
2656 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
2657 * atom which may reside after mdia.minf | |
2658 */ | |
2659 | |
2660 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2661 "mp4 stsz atom update"); | |
2662 | |
2663 data = trak->out[NGX_HTTP_MP4_STSZ_DATA].buf; | |
2664 | |
2665 if (data) { | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2666 if (trak->start_sample > trak->sample_sizes_entries) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2667 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2668 "start time is out mp4 stsz samples in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2669 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2670 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2671 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2672 |
4085 | 2673 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
|
2674 end = (uint32_t *) data->pos; |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2675 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2676 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
|
2677 trak->chunk_samples_size += ngx_mp4_get_32value(pos); |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2678 } |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2679 |
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2680 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
4112 | 2681 "chunk samples sizes:%uL", trak->chunk_samples_size); |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2682 |
4085 | 2683 atom_size = sizeof(ngx_mp4_stsz_atom_t) + (data->last - data->pos); |
2684 trak->size += atom_size; | |
2685 | |
2686 atom = trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf; | |
2687 stsz_atom = (ngx_mp4_stsz_atom_t *) atom->pos; | |
2688 | |
2689 ngx_mp4_set_32value(stsz_atom->size, atom_size); | |
2690 ngx_mp4_set_32value(stsz_atom->entries, | |
2691 trak->sample_sizes_entries - trak->start_sample); | |
2692 } | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2693 |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2694 return NGX_OK; |
4085 | 2695 } |
2696 | |
2697 | |
2698 typedef struct { | |
2699 u_char size[4]; | |
2700 u_char name[4]; | |
2701 u_char version[1]; | |
2702 u_char flags[3]; | |
2703 u_char entries[4]; | |
2704 } ngx_mp4_stco_atom_t; | |
2705 | |
2706 | |
2707 static ngx_int_t | |
2708 ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2709 { | |
2710 u_char *atom_header, *atom_table, *atom_end; | |
2711 uint32_t entries; | |
2712 ngx_buf_t *atom, *data; | |
2713 ngx_mp4_stco_atom_t *stco_atom; | |
2714 ngx_http_mp4_trak_t *trak; | |
2715 | |
2716 /* chunk offsets atom */ | |
2717 | |
2718 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stco atom"); | |
2719 | |
2720 atom_header = ngx_mp4_atom_header(mp4); | |
2721 stco_atom = (ngx_mp4_stco_atom_t *) atom_header; | |
2722 ngx_mp4_set_atom_name(stco_atom, 's', 't', 'c', 'o'); | |
2723 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2724 if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2725 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2726 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2727 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2728 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2729 |
4085 | 2730 entries = ngx_mp4_get_32value(stco_atom->entries); |
2731 | |
2732 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
2733 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2734 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
|
2735 + entries * sizeof(uint32_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2736 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2737 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2738 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2739 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2740 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
2741 |
4085 | 2742 atom_table = atom_header + sizeof(ngx_mp4_stco_atom_t); |
2743 atom_end = atom_table + entries * sizeof(uint32_t); | |
2744 | |
2745 trak = ngx_mp4_last_trak(mp4); | |
2746 trak->chunks = entries; | |
2747 | |
4107 | 2748 atom = &trak->stco_atom_buf; |
4085 | 2749 atom->temporary = 1; |
2750 atom->pos = atom_header; | |
2751 atom->last = atom_table; | |
2752 | |
4107 | 2753 data = &trak->stco_data_buf; |
4085 | 2754 data->temporary = 1; |
2755 data->pos = atom_table; | |
2756 data->last = atom_end; | |
2757 | |
2758 trak->out[NGX_HTTP_MP4_STCO_ATOM].buf = atom; | |
2759 trak->out[NGX_HTTP_MP4_STCO_DATA].buf = data; | |
2760 | |
2761 ngx_mp4_atom_next(mp4, atom_data_size); | |
2762 | |
2763 return NGX_OK; | |
2764 } | |
2765 | |
2766 | |
2767 static ngx_int_t | |
2768 ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
2769 ngx_http_mp4_trak_t *trak) | |
2770 { | |
2771 size_t atom_size; | |
2772 ngx_buf_t *atom, *data; | |
2773 ngx_mp4_stco_atom_t *stco_atom; | |
2774 | |
2775 /* | |
2776 * mdia.minf.stbl.stco updating requires trak->start_chunk | |
2777 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
2778 * atom which may reside after mdia.minf | |
2779 */ | |
2780 | |
2781 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2782 "mp4 stco atom update"); | |
2783 | |
2784 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
2785 | |
2786 if (data == NULL) { | |
2787 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2788 "no mp4 stco atoms were found in \"%s\"", | |
2789 mp4->file.name.data); | |
2790 return NGX_ERROR; | |
2791 } | |
2792 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2793 if (trak->start_chunk > trak->chunks) { |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
2794 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2795 "start time is out mp4 stco chunks in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2796 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
2797 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
2798 } |
3f874d645f45
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diff
changeset
|
2799 |
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2800 data->pos += trak->start_chunk * sizeof(uint32_t); |
4085 | 2801 atom_size = sizeof(ngx_mp4_stco_atom_t) + (data->last - data->pos); |
2802 trak->size += atom_size; | |
2803 | |
2804 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
|
2805 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
|
2806 ngx_mp4_set_32value(data->pos, trak->start_offset); |
4085 | 2807 |
2808 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2809 "start chunk offset:%uD", trak->start_offset); | |
2810 | |
2811 atom = trak->out[NGX_HTTP_MP4_STCO_ATOM].buf; | |
2812 stco_atom = (ngx_mp4_stco_atom_t *) atom->pos; | |
2813 | |
2814 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
|
2815 ngx_mp4_set_32value(stco_atom->entries, trak->chunks - trak->start_chunk); |
4085 | 2816 |
2817 return NGX_OK; | |
2818 } | |
2819 | |
2820 | |
2821 static void | |
2822 ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
2823 ngx_http_mp4_trak_t *trak, int32_t adjustment) | |
2824 { | |
2825 uint32_t offset, *entry, *end; | |
2826 ngx_buf_t *data; | |
2827 | |
2828 /* | |
2829 * moov.trak.mdia.minf.stbl.stco adjustment requires | |
2830 * minimal start offset of all traks and new moov atom size | |
2831 */ | |
2832 | |
2833 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2834 "mp4 stco atom adjustment"); | |
2835 | |
2836 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
2837 entry = (uint32_t *) data->pos; | |
2838 end = (uint32_t *) data->last; | |
2839 | |
2840 while (entry < end) { | |
2841 offset = ngx_mp4_get_32value(entry); | |
2842 offset += adjustment; | |
2843 ngx_mp4_set_32value(entry, offset); | |
2844 entry++; | |
2845 } | |
2846 } | |
2847 | |
2848 | |
4112 | 2849 typedef struct { |
2850 u_char size[4]; | |
2851 u_char name[4]; | |
2852 u_char version[1]; | |
2853 u_char flags[3]; | |
2854 u_char entries[4]; | |
2855 } ngx_mp4_co64_atom_t; | |
2856 | |
2857 | |
2858 static ngx_int_t | |
2859 ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
2860 { | |
2861 u_char *atom_header, *atom_table, *atom_end; | |
2862 uint32_t entries; | |
2863 ngx_buf_t *atom, *data; | |
2864 ngx_mp4_co64_atom_t *co64_atom; | |
2865 ngx_http_mp4_trak_t *trak; | |
2866 | |
2867 /* chunk offsets atom */ | |
2868 | |
2869 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 co64 atom"); | |
2870 | |
2871 atom_header = ngx_mp4_atom_header(mp4); | |
2872 co64_atom = (ngx_mp4_co64_atom_t *) atom_header; | |
2873 ngx_mp4_set_atom_name(co64_atom, 'c', 'o', '6', '4'); | |
2874 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2875 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) > atom_data_size) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2876 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2877 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2878 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2879 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2880 |
4112 | 2881 entries = ngx_mp4_get_32value(co64_atom->entries); |
2882 | |
2883 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
2884 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2885 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2886 + entries * sizeof(uint64_t) > atom_data_size) |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2887 { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2888 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2889 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2890 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2891 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2892 |
4112 | 2893 atom_table = atom_header + sizeof(ngx_mp4_co64_atom_t); |
2894 atom_end = atom_table + entries * sizeof(uint64_t); | |
2895 | |
2896 trak = ngx_mp4_last_trak(mp4); | |
2897 trak->chunks = entries; | |
2898 | |
2899 atom = &trak->co64_atom_buf; | |
2900 atom->temporary = 1; | |
2901 atom->pos = atom_header; | |
2902 atom->last = atom_table; | |
2903 | |
2904 data = &trak->co64_data_buf; | |
2905 data->temporary = 1; | |
2906 data->pos = atom_table; | |
2907 data->last = atom_end; | |
2908 | |
2909 trak->out[NGX_HTTP_MP4_CO64_ATOM].buf = atom; | |
2910 trak->out[NGX_HTTP_MP4_CO64_DATA].buf = data; | |
2911 | |
2912 ngx_mp4_atom_next(mp4, atom_data_size); | |
2913 | |
2914 return NGX_OK; | |
2915 } | |
2916 | |
2917 | |
2918 static ngx_int_t | |
2919 ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
2920 ngx_http_mp4_trak_t *trak) | |
2921 { | |
2922 size_t atom_size; | |
2923 ngx_buf_t *atom, *data; | |
2924 ngx_mp4_co64_atom_t *co64_atom; | |
2925 | |
2926 /* | |
2927 * mdia.minf.stbl.co64 updating requires trak->start_chunk | |
2928 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
2929 * atom which may reside after mdia.minf | |
2930 */ | |
2931 | |
2932 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2933 "mp4 co64 atom update"); | |
2934 | |
2935 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
2936 | |
2937 if (data == NULL) { | |
2938 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
2939 "no mp4 co64 atoms were found in \"%s\"", | |
2940 mp4->file.name.data); | |
2941 return NGX_ERROR; | |
2942 } | |
2943 | |
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2944 if (trak->start_chunk > trak->chunks) { |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2945 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2946 "start time is out mp4 co64 chunks in \"%s\"", |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2947 mp4->file.name.data); |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2948 return NGX_ERROR; |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2949 } |
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2950 |
4112 | 2951 data->pos += trak->start_chunk * sizeof(uint64_t); |
2952 atom_size = sizeof(ngx_mp4_co64_atom_t) + (data->last - data->pos); | |
2953 trak->size += atom_size; | |
2954 | |
2955 trak->start_offset = ngx_mp4_get_64value(data->pos); | |
2956 trak->start_offset += trak->chunk_samples_size; | |
2957 ngx_mp4_set_64value(data->pos, trak->start_offset); | |
2958 | |
2959 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2960 "start chunk offset:%uL", trak->start_offset); | |
2961 | |
2962 atom = trak->out[NGX_HTTP_MP4_CO64_ATOM].buf; | |
2963 co64_atom = (ngx_mp4_co64_atom_t *) atom->pos; | |
2964 | |
2965 ngx_mp4_set_32value(co64_atom->size, atom_size); | |
2966 ngx_mp4_set_32value(co64_atom->entries, trak->chunks - trak->start_chunk); | |
2967 | |
2968 return NGX_OK; | |
2969 } | |
2970 | |
2971 | |
2972 static void | |
2973 ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
2974 ngx_http_mp4_trak_t *trak, off_t adjustment) | |
2975 { | |
2976 uint64_t offset, *entry, *end; | |
2977 ngx_buf_t *data; | |
2978 | |
2979 /* | |
2980 * moov.trak.mdia.minf.stbl.co64 adjustment requires | |
2981 * minimal start offset of all traks and new moov atom size | |
2982 */ | |
2983 | |
2984 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
2985 "mp4 co64 atom adjustment"); | |
2986 | |
2987 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
2988 entry = (uint64_t *) data->pos; | |
2989 end = (uint64_t *) data->last; | |
2990 | |
2991 while (entry < end) { | |
2992 offset = ngx_mp4_get_64value(entry); | |
2993 offset += adjustment; | |
2994 ngx_mp4_set_64value(entry, offset); | |
2995 entry++; | |
2996 } | |
2997 } | |
2998 | |
2999 | |
4085 | 3000 static char * |
3001 ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
3002 { | |
3003 ngx_http_core_loc_conf_t *clcf; | |
3004 | |
3005 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
3006 clcf->handler = ngx_http_mp4_handler; | |
3007 | |
3008 return NGX_CONF_OK; | |
3009 } | |
3010 | |
3011 | |
3012 static void * | |
3013 ngx_http_mp4_create_conf(ngx_conf_t *cf) | |
3014 { | |
3015 ngx_http_mp4_conf_t *conf; | |
3016 | |
3017 conf = ngx_palloc(cf->pool, sizeof(ngx_http_mp4_conf_t)); | |
3018 if (conf == NULL) { | |
3019 return NULL; | |
3020 } | |
3021 | |
3022 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
|
3023 conf->max_buffer_size = NGX_CONF_UNSET_SIZE; |
4085 | 3024 |
3025 return conf; | |
3026 } | |
3027 | |
3028 | |
3029 static char * | |
3030 ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
3031 { | |
3032 ngx_http_mp4_conf_t *prev = parent; | |
3033 ngx_http_mp4_conf_t *conf = child; | |
3034 | |
3035 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
|
3036 ngx_conf_merge_size_value(conf->max_buffer_size, prev->max_buffer_size, |
4085 | 3037 10 * 1024 * 1024); |
3038 | |
3039 return NGX_CONF_OK; | |
3040 } |