1 /*****************************************************************************
2 * libmp4.h : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004, 2010 the VideoLAN team
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
28 #define ATOM_root VLC_FOURCC( 'r', 'o', 'o', 't' )
29 #define ATOM_uuid VLC_FOURCC( 'u', 'u', 'i', 'd' )
31 #define ATOM_ftyp VLC_FOURCC( 'f', 't', 'y', 'p' )
32 #define ATOM_moov VLC_FOURCC( 'm', 'o', 'o', 'v' )
33 #define ATOM_foov VLC_FOURCC( 'f', 'o', 'o', 'v' )
34 #define ATOM_cmov VLC_FOURCC( 'c', 'm', 'o', 'v' )
35 #define ATOM_dcom VLC_FOURCC( 'd', 'c', 'o', 'm' )
36 #define ATOM_cmvd VLC_FOURCC( 'c', 'm', 'v', 'd' )
38 #define ATOM_moof VLC_FOURCC( 'm', 'o', 'o', 'f' )
39 #define ATOM_mdat VLC_FOURCC( 'm', 'd', 'a', 't' )
40 #define ATOM_skip VLC_FOURCC( 's', 'k', 'i', 'p' )
41 #define ATOM_free VLC_FOURCC( 'f', 'r', 'e', 'e' )
42 #define ATOM_udta VLC_FOURCC( 'u', 'd', 't', 'a' )
43 #define ATOM_wide VLC_FOURCC( 'w', 'i', 'd', 'e' )
45 #define ATOM_data VLC_FOURCC( 'd', 'a', 't', 'a' )
47 #define ATOM_trak VLC_FOURCC( 't', 'r', 'a', 'k' )
48 #define ATOM_mvhd VLC_FOURCC( 'm', 'v', 'h', 'd' )
49 #define ATOM_tkhd VLC_FOURCC( 't', 'k', 'h', 'd' )
50 #define ATOM_tref VLC_FOURCC( 't', 'r', 'e', 'f' )
51 #define ATOM_mdia VLC_FOURCC( 'm', 'd', 'i', 'a' )
52 #define ATOM_mdhd VLC_FOURCC( 'm', 'd', 'h', 'd' )
53 #define ATOM_hdlr VLC_FOURCC( 'h', 'd', 'l', 'r' )
54 #define ATOM_minf VLC_FOURCC( 'm', 'i', 'n', 'f' )
55 #define ATOM_vmhd VLC_FOURCC( 'v', 'm', 'h', 'd' )
56 #define ATOM_smhd VLC_FOURCC( 's', 'm', 'h', 'd' )
57 #define ATOM_hmhd VLC_FOURCC( 'h', 'm', 'h', 'd' )
58 #define ATOM_dinf VLC_FOURCC( 'd', 'i', 'n', 'f' )
59 #define ATOM_url VLC_FOURCC( 'u', 'r', 'l', ' ' )
60 #define ATOM_urn VLC_FOURCC( 'u', 'r', 'n', ' ' )
61 #define ATOM_dref VLC_FOURCC( 'd', 'r', 'e', 'f' )
62 #define ATOM_stbl VLC_FOURCC( 's', 't', 'b', 'l' )
63 #define ATOM_stts VLC_FOURCC( 's', 't', 't', 's' )
64 #define ATOM_ctts VLC_FOURCC( 'c', 't', 't', 's' )
65 #define ATOM_stsd VLC_FOURCC( 's', 't', 's', 'd' )
66 #define ATOM_stsz VLC_FOURCC( 's', 't', 's', 'z' )
67 #define ATOM_stz2 VLC_FOURCC( 's', 't', 'z', '2' )
68 #define ATOM_stsc VLC_FOURCC( 's', 't', 's', 'c' )
69 #define ATOM_stco VLC_FOURCC( 's', 't', 'c', 'o' )
70 #define ATOM_co64 VLC_FOURCC( 'c', 'o', '6', '4' )
71 #define ATOM_stss VLC_FOURCC( 's', 't', 's', 's' )
72 #define ATOM_stsh VLC_FOURCC( 's', 't', 's', 'h' )
73 #define ATOM_stdp VLC_FOURCC( 's', 't', 'd', 'p' )
74 #define ATOM_padb VLC_FOURCC( 'p', 'a', 'd', 'b' )
75 #define ATOM_edts VLC_FOURCC( 'e', 'd', 't', 's' )
76 #define ATOM_elst VLC_FOURCC( 'e', 'l', 's', 't' )
77 #define ATOM_mvex VLC_FOURCC( 'm', 'v', 'e', 'x' )
78 #define ATOM_sdtp VLC_FOURCC( 's', 'd', 't', 'p' )
79 #define ATOM_trex VLC_FOURCC( 't', 'r', 'e', 'x' )
80 #define ATOM_mehd VLC_FOURCC( 'm', 'e', 'h', 'd' )
81 #define ATOM_mfhd VLC_FOURCC( 'm', 'f', 'h', 'd' )
82 #define ATOM_traf VLC_FOURCC( 't', 'r', 'a', 'f' )
83 #define ATOM_sidx VLC_FOURCC( 's', 'i', 'd', 'x' )
84 #define ATOM_tfhd VLC_FOURCC( 't', 'f', 'h', 'd' )
85 #define ATOM_trun VLC_FOURCC( 't', 'r', 'u', 'n' )
86 #define ATOM_cprt VLC_FOURCC( 'c', 'p', 'r', 't' )
87 #define ATOM_iods VLC_FOURCC( 'i', 'o', 'd', 's' )
88 #define ATOM_pasp VLC_FOURCC( 'p', 'a', 's', 'p' )
89 #define ATOM_mfra VLC_FOURCC( 'm', 'f', 'r', 'a' )
90 #define ATOM_mfro VLC_FOURCC( 'm', 'f', 'r', 'o' )
91 #define ATOM_tfra VLC_FOURCC( 't', 'f', 'r', 'a' )
93 #define ATOM_nmhd VLC_FOURCC( 'n', 'm', 'h', 'd' )
94 #define ATOM_mp2v VLC_FOURCC( 'm', 'p', '2', 'v' )
95 #define ATOM_mp4v VLC_FOURCC( 'm', 'p', '4', 'v' )
96 #define ATOM_mp4a VLC_FOURCC( 'm', 'p', '4', 'a' )
97 #define ATOM_mp4s VLC_FOURCC( 'm', 'p', '4', 's' )
98 #define ATOM_vide VLC_FOURCC( 'v', 'i', 'd', 'e' )
99 #define ATOM_soun VLC_FOURCC( 's', 'o', 'u', 'n' )
100 #define ATOM_hint VLC_FOURCC( 'h', 'i', 'n', 't' )
101 #define ATOM_hdv2 VLC_FOURCC( 'h', 'd', 'v', '2' )
103 #define ATOM_dpnd VLC_FOURCC( 'd', 'p', 'n', 'd' )
104 #define ATOM_ipir VLC_FOURCC( 'i', 'p', 'i', 'r' )
105 #define ATOM_mpod VLC_FOURCC( 'm', 'p', 'o', 'd' )
106 #define ATOM_hnti VLC_FOURCC( 'h', 'n', 't', 'i' )
107 #define ATOM_rtp VLC_FOURCC( 'r', 't', 'p', ' ' )
109 #define ATOM_isom VLC_FOURCC( 'i', 's', 'o', 'm' )
110 #define ATOM_3gp4 VLC_FOURCC( '3', 'g', 'p', '4' )
111 #define ATOM_esds VLC_FOURCC( 'e', 's', 'd', 's' )
113 #define ATOM__mp3 VLC_FOURCC( '.', 'm', 'p', '3' )
114 #define ATOM_ms02 VLC_FOURCC( 'm', 's', 0x0, 0x02 )
115 #define ATOM_ms11 VLC_FOURCC( 'm', 's', 0x0, 0x11 )
116 #define ATOM_ms55 VLC_FOURCC( 'm', 's', 0x0, 0x55 )
117 #define ATOM_twos VLC_FOURCC( 't', 'w', 'o', 's' )
118 #define ATOM_sowt VLC_FOURCC( 's', 'o', 'w', 't' )
119 #define ATOM_QDMC VLC_FOURCC( 'Q', 'D', 'M', 'C' )
120 #define ATOM_QDM2 VLC_FOURCC( 'Q', 'D', 'M', '2' )
121 #define ATOM_ima4 VLC_FOURCC( 'i', 'm', 'a', '4' )
122 #define ATOM_IMA4 VLC_FOURCC( 'I', 'M', 'A', '4' )
123 #define ATOM_dvi VLC_FOURCC( 'd', 'v', 'i', ' ' )
124 #define ATOM_MAC3 VLC_FOURCC( 'M', 'A', 'C', '3' )
125 #define ATOM_MAC6 VLC_FOURCC( 'M', 'A', 'C', '6' )
126 #define ATOM_alaw VLC_FOURCC( 'a', 'l', 'a', 'w' )
127 #define ATOM_ulaw VLC_FOURCC( 'u', 'l', 'a', 'w' )
128 #define ATOM_Qclp VLC_FOURCC( 'Q', 'c', 'l', 'p' )
129 #define ATOM_samr VLC_FOURCC( 's', 'a', 'm', 'r' )
130 #define ATOM_sawb VLC_FOURCC( 's', 'a', 'w', 'b' )
131 #define ATOM_OggS VLC_FOURCC( 'O', 'g', 'g', 'S' )
132 #define ATOM_alac VLC_FOURCC( 'a', 'l', 'a', 'c' )
133 #define ATOM_dac3 VLC_FOURCC( 'd', 'a', 'c', '3' )
134 #define ATOM_dec3 VLC_FOURCC( 'd', 'e', 'c', '3' )
135 #define ATOM_dvc1 VLC_FOURCC( 'd', 'v', 'c', '1' )
136 #define ATOM_enda VLC_FOURCC( 'e', 'n', 'd', 'a' )
137 #define ATOM_gnre VLC_FOURCC( 'g', 'n', 'r', 'e' )
138 #define ATOM_trkn VLC_FOURCC( 't', 'r', 'k', 'n' )
140 #define ATOM_zlib VLC_FOURCC( 'z', 'l', 'i', 'b' )
141 #define ATOM_SVQ1 VLC_FOURCC( 'S', 'V', 'Q', '1' )
142 #define ATOM_SVQ3 VLC_FOURCC( 'S', 'V', 'Q', '3' )
143 #define ATOM_ZyGo VLC_FOURCC( 'Z', 'y', 'G', 'o' )
144 #define ATOM_3IV1 VLC_FOURCC( '3', 'I', 'V', '1' )
145 #define ATOM_3iv1 VLC_FOURCC( '3', 'i', 'v', '1' )
146 #define ATOM_3IV2 VLC_FOURCC( '3', 'I', 'V', '2' )
147 #define ATOM_3iv2 VLC_FOURCC( '3', 'i', 'v', '2' )
148 #define ATOM_3IVD VLC_FOURCC( '3', 'I', 'V', 'D' )
149 #define ATOM_3ivd VLC_FOURCC( '3', 'i', 'v', 'd' )
150 #define ATOM_3VID VLC_FOURCC( '3', 'V', 'I', 'D' )
151 #define ATOM_3vid VLC_FOURCC( '3', 'v', 'i', 'd' )
152 #define ATOM_h263 VLC_FOURCC( 'h', '2', '6', '3' )
153 #define ATOM_s263 VLC_FOURCC( 's', '2', '6', '3' )
154 #define ATOM_DIVX VLC_FOURCC( 'D', 'I', 'V', 'X' )
155 #define ATOM_XVID VLC_FOURCC( 'X', 'V', 'I', 'D' )
156 #define ATOM_cvid VLC_FOURCC( 'c', 'v', 'i', 'd' )
157 #define ATOM_mjpa VLC_FOURCC( 'm', 'j', 'p', 'a' )
158 #define ATOM_mjpb VLC_FOURCC( 'm', 'j', 'q', 't' )
159 #define ATOM_mjqt VLC_FOURCC( 'm', 'j', 'h', 't' )
160 #define ATOM_mjht VLC_FOURCC( 'm', 'j', 'p', 'b' )
161 #define ATOM_VP31 VLC_FOURCC( 'V', 'P', '3', '1' )
162 #define ATOM_vp31 VLC_FOURCC( 'v', 'p', '3', '1' )
163 #define ATOM_h264 VLC_FOURCC( 'h', '2', '6', '4' )
164 #define ATOM_qdrw VLC_FOURCC( 'q', 'd', 'r', 'w' )
166 #define ATOM_avc1 VLC_FOURCC( 'a', 'v', 'c', '1' )
167 #define ATOM_avcC VLC_FOURCC( 'a', 'v', 'c', 'C' )
168 #define ATOM_m4ds VLC_FOURCC( 'm', '4', 'd', 's' )
170 #define ATOM_dvc VLC_FOURCC( 'd', 'v', 'c', ' ' )
171 #define ATOM_dvp VLC_FOURCC( 'd', 'v', 'p', ' ' )
172 #define ATOM_dv5n VLC_FOURCC( 'd', 'v', '5', 'n' )
173 #define ATOM_dv5p VLC_FOURCC( 'd', 'v', '5', 'p' )
174 #define ATOM_raw VLC_FOURCC( 'r', 'a', 'w', ' ' )
176 #define ATOM_jpeg VLC_FOURCC( 'j', 'p', 'e', 'g' )
178 #define ATOM_yv12 VLC_FOURCC( 'y', 'v', '1', '2' )
179 #define ATOM_yuv2 VLC_FOURCC( 'y', 'u', 'v', '2' )
181 #define ATOM_rmra VLC_FOURCC( 'r', 'm', 'r', 'a' )
182 #define ATOM_rmda VLC_FOURCC( 'r', 'm', 'd', 'a' )
183 #define ATOM_rdrf VLC_FOURCC( 'r', 'd', 'r', 'f' )
184 #define ATOM_rmdr VLC_FOURCC( 'r', 'm', 'd', 'r' )
185 #define ATOM_rmvc VLC_FOURCC( 'r', 'm', 'v', 'c' )
186 #define ATOM_rmcd VLC_FOURCC( 'r', 'm', 'c', 'd' )
187 #define ATOM_rmqu VLC_FOURCC( 'r', 'm', 'q', 'u' )
188 #define ATOM_alis VLC_FOURCC( 'a', 'l', 'i', 's' )
190 #define ATOM_gmhd VLC_FOURCC( 'g', 'm', 'h', 'd' )
191 #define ATOM_wave VLC_FOURCC( 'w', 'a', 'v', 'e' )
193 #define ATOM_drms VLC_FOURCC( 'd', 'r', 'm', 's' )
194 #define ATOM_sinf VLC_FOURCC( 's', 'i', 'n', 'f' )
195 #define ATOM_schi VLC_FOURCC( 's', 'c', 'h', 'i' )
196 #define ATOM_user VLC_FOURCC( 'u', 's', 'e', 'r' )
197 #define ATOM_key VLC_FOURCC( 'k', 'e', 'y', ' ' )
198 #define ATOM_iviv VLC_FOURCC( 'i', 'v', 'i', 'v' )
199 #define ATOM_name VLC_FOURCC( 'n', 'a', 'm', 'e' )
200 #define ATOM_priv VLC_FOURCC( 'p', 'r', 'i', 'v' )
201 #define ATOM_drmi VLC_FOURCC( 'd', 'r', 'm', 'i' )
202 #define ATOM_frma VLC_FOURCC( 'f', 'r', 'm', 'a' )
203 #define ATOM_skcr VLC_FOURCC( 's', 'k', 'c', 'r' )
205 #define ATOM_text VLC_FOURCC( 't', 'e', 'x', 't' )
206 #define ATOM_tx3g VLC_FOURCC( 't', 'x', '3', 'g' )
207 #define ATOM_subp VLC_FOURCC( 's', 'u', 'b', 'p' )
208 #define ATOM_sbtl VLC_FOURCC( 's', 'b', 't', 'l' )
210 #define ATOM_0xa9nam VLC_FOURCC( 0xa9, 'n', 'a', 'm' )
211 #define ATOM_0xa9aut VLC_FOURCC( 0xa9, 'a', 'u', 't' )
212 #define ATOM_0xa9cpy VLC_FOURCC( 0xa9, 'c', 'p', 'y' )
213 #define ATOM_0xa9inf VLC_FOURCC( 0xa9, 'i', 'n', 'f' )
214 #define ATOM_0xa9ART VLC_FOURCC( 0xa9, 'A', 'R', 'T' )
215 #define ATOM_0xa9des VLC_FOURCC( 0xa9, 'd', 'e', 's' )
216 #define ATOM_0xa9dir VLC_FOURCC( 0xa9, 'd', 'i', 'r' )
217 #define ATOM_0xa9cmt VLC_FOURCC( 0xa9, 'c', 'm', 't' )
218 #define ATOM_0xa9req VLC_FOURCC( 0xa9, 'r', 'e', 'q' )
219 #define ATOM_0xa9day VLC_FOURCC( 0xa9, 'd', 'a', 'y' )
220 #define ATOM_0xa9fmt VLC_FOURCC( 0xa9, 'f', 'm', 't' )
221 #define ATOM_0xa9prd VLC_FOURCC( 0xa9, 'p', 'r', 'd' )
222 #define ATOM_0xa9prf VLC_FOURCC( 0xa9, 'p', 'r', 'f' )
223 #define ATOM_0xa9src VLC_FOURCC( 0xa9, 's', 'r', 'c' )
224 #define ATOM_0xa9alb VLC_FOURCC( 0xa9, 'a', 'l', 'b' )
225 #define ATOM_0xa9dis VLC_FOURCC( 0xa9, 'd', 'i', 's' )
226 #define ATOM_0xa9enc VLC_FOURCC( 0xa9, 'e', 'n', 'c' )
227 #define ATOM_0xa9trk VLC_FOURCC( 0xa9, 't', 'r', 'k' )
228 #define ATOM_0xa9url VLC_FOURCC( 0xa9, 'u', 'r', 'l' )
229 #define ATOM_0xa9dsa VLC_FOURCC( 0xa9, 'd', 's', 'a' )
230 #define ATOM_0xa9hst VLC_FOURCC( 0xa9, 'h', 's', 't' )
231 #define ATOM_0xa9ope VLC_FOURCC( 0xa9, 'o', 'p', 'e' )
232 #define ATOM_0xa9wrt VLC_FOURCC( 0xa9, 'w', 'r', 't' )
233 #define ATOM_0xa9com VLC_FOURCC( 0xa9, 'c', 'o', 'm' )
234 #define ATOM_0xa9gen VLC_FOURCC( 0xa9, 'g', 'e', 'n' )
235 #define ATOM_0xa9too VLC_FOURCC( 0xa9, 't', 'o', 'o' )
236 #define ATOM_0xa9wrn VLC_FOURCC( 0xa9, 'w', 'r', 'n' )
237 #define ATOM_0xa9swr VLC_FOURCC( 0xa9, 's', 'w', 'r' )
238 #define ATOM_0xa9mak VLC_FOURCC( 0xa9, 'm', 'a', 'k' )
239 #define ATOM_0xa9mod VLC_FOURCC( 0xa9, 'm', 'o', 'd' )
240 #define ATOM_0xa9PRD VLC_FOURCC( 0xa9, 'P', 'R', 'D' )
241 #define ATOM_0xa9grp VLC_FOURCC( 0xa9, 'g', 'r', 'p' )
242 #define ATOM_0xa9lyr VLC_FOURCC( 0xa9, 'g', 'r', 'p' )
243 #define ATOM_chpl VLC_FOURCC( 'c', 'h', 'p', 'l' )
244 #define ATOM_WLOC VLC_FOURCC( 'W', 'L', 'O', 'C' )
246 #define ATOM_meta VLC_FOURCC( 'm', 'e', 't', 'a' )
247 #define ATOM_ilst VLC_FOURCC( 'i', 'l', 's', 't' )
249 #define ATOM_chap VLC_FOURCC( 'c', 'h', 'a', 'p' )
251 /* Do you want some debug information on all read boxes ? */
252 //#define MP4_VERBOSE 1
258 /* uuid Universal Unique IDentifiers */
259 typedef struct UUID_s
264 /* specific structure for all boxes */
266 typedef struct MP4_Box_data_tfxd_s
271 uint64_t i_fragment_duration;
272 uint64_t i_fragment_abs_time;
274 } MP4_Box_data_tfxd_t;
276 typedef struct TfrfBoxDataFields_s
278 uint64_t i_fragment_duration;
279 uint64_t i_fragment_abs_time;
281 } TfrfBoxDataFields_t;
283 typedef struct MP4_Box_data_tfrf_s
286 uint8_t i_fragment_count;
289 TfrfBoxDataFields_t *p_tfrf_data_fields;
291 } MP4_Box_data_tfrf_t;
293 typedef struct MP4_Box_data_ftyp_s
295 uint32_t i_major_brand;
296 uint32_t i_minor_version;
298 uint32_t i_compatible_brands_count;
299 uint32_t *i_compatible_brands;
301 } MP4_Box_data_ftyp_t;
303 typedef struct MP4_Box_data_mvhd_s
308 uint64_t i_creation_time;
309 uint64_t i_modification_time;
310 uint32_t i_timescale;
316 uint32_t i_reserved2[2];
318 uint32_t i_predefined[6];
319 uint32_t i_next_track_id;
321 } MP4_Box_data_mvhd_t;
323 #define MP4_TRACK_ENABLED 0x000001
324 #define MP4_TRACK_IN_MOVIE 0x000002
325 #define MP4_TRACK_IN_PREVIEW 0x000004
326 typedef struct MP4_Box_data_tkhd_s
331 uint64_t i_creation_time;
332 uint64_t i_modification_time;
337 uint32_t i_reserved2[2];
339 int16_t i_predefined;
342 uint16_t i_reserved3;
348 } MP4_Box_data_tkhd_t;
350 typedef struct MP4_Box_data_mdhd_s
355 uint64_t i_creation_time;
356 uint64_t i_modification_time;
357 uint32_t i_timescale;
360 /* one bit for pad */
361 uint16_t i_language_code;
362 /* unsigned int(5)[3] language difference with 0x60*/
363 unsigned char i_language[3];
364 uint16_t i_predefined;
366 } MP4_Box_data_mdhd_t;
368 typedef struct MP4_Box_data_hdlr_s
373 uint32_t i_predefined;
374 uint32_t i_handler_type; /* "vide" "soun" "hint" "odsm"
375 "crsm" "sdsm" "m7sm" "ocsm"
378 unsigned char *psz_name; /* in UTF-8 */
380 } MP4_Box_data_hdlr_t;
382 typedef struct MP4_Box_data_vmhd_s
387 int16_t i_graphics_mode;
388 int16_t i_opcolor[3];
390 } MP4_Box_data_vmhd_t;
392 typedef struct MP4_Box_data_smhd_s
400 } MP4_Box_data_smhd_t;
402 typedef struct MP4_Box_data_hmhd_s
407 uint16_t i_max_PDU_size;
408 uint16_t i_avg_PDU_size;
409 uint32_t i_max_bitrate;
410 uint32_t i_avg_bitrate;
413 } MP4_Box_data_hmhd_t;
415 typedef struct MP4_Box_data_url_s
422 } MP4_Box_data_url_t;
424 typedef struct MP4_Box_data_urn_s
432 } MP4_Box_data_urn_t;
434 typedef struct MP4_Box_data_dref_s
439 uint32_t i_entry_count;
440 /* XXX it's also a container with i_entry_count entry */
441 } MP4_Box_data_dref_t;
443 typedef struct MP4_Box_data_stts_s
448 uint32_t i_entry_count;
449 uint32_t *i_sample_count; /* these are array */
450 int32_t *i_sample_delta;
452 } MP4_Box_data_stts_t;
454 typedef struct MP4_Box_data_ctts_s
459 uint32_t i_entry_count;
461 uint32_t *i_sample_count; /* these are array */
462 int32_t *i_sample_offset;
464 } MP4_Box_data_ctts_t;
467 typedef struct MP4_Box_data_sample_soun_s
469 uint8_t i_reserved1[6];
470 uint16_t i_data_reference_index;
472 //uint32_t i_reserved2[2];
473 uint16_t i_qt_version;
474 uint16_t i_qt_revision_level;
475 uint32_t i_qt_vendor;
477 uint16_t i_channelcount;
478 uint16_t i_samplesize;
479 uint16_t i_predefined;
480 uint16_t i_reserved3;
481 uint16_t i_sampleratehi; /* timescale of track */
482 uint16_t i_sampleratelo;
484 /* for version 1 (i_reserved1[0] == 1) */
485 uint32_t i_sample_per_packet;
486 uint32_t i_bytes_per_packet;
487 uint32_t i_bytes_per_frame;
488 uint32_t i_bytes_per_sample;
491 int i_qt_description;
492 uint8_t *p_qt_description;
494 } MP4_Box_data_sample_soun_t;
496 typedef struct MP4_Box_data_sample_vide_s
498 uint8_t i_reserved1[6];
499 uint16_t i_data_reference_index;
501 uint16_t i_qt_version;
502 uint16_t i_qt_revision_level;
503 uint32_t i_qt_vendor;
505 uint32_t i_qt_temporal_quality;
506 uint32_t i_qt_spatial_quality;
511 uint32_t i_horizresolution;
512 uint32_t i_vertresolution;
514 uint32_t i_qt_data_size;
515 uint16_t i_qt_frame_count;
517 uint8_t i_compressorname[32];
520 int16_t i_qt_color_table;
522 /* XXX hack ImageDescription */
523 int i_qt_image_description;
524 uint8_t *p_qt_image_description;
526 } MP4_Box_data_sample_vide_t;
528 #define MP4_TEXT_DISPLAY_FLAG_DONT_DISPLAY (1<<0)
529 #define MP4_TEXT_DISPLAY_FLAG_AUTO_SCALE (1<<1)
530 #define MP4_TEXT_DISPLAY_FLAG_CLIP_TO_TEXT_BOX (1<<2)
531 #define MP4_TEXT_DISPLAY_FLAG_USE_MOVIE_BG_COLOR (1<<3)
532 #define MP4_TEXT_DISPLAY_FLAG_SHRINK_TEXT_BOX_TO_FIT (1<<4)
533 #define MP4_TEXT_DISPLAY_FLAG_SCROLL_IN (1<<5)
534 #define MP4_TEXT_DISPLAY_FLAG_SCROLL_OUT (1<<6)
535 #define MP4_TEXT_DISPLAY_FLAG_HORIZONTAL_SCROLL (1<<7)
536 #define MP4_TEXT_DISPLAY_FLAG_REVERSE_SCROLL (1<<8)
537 #define MP4_TEXT_DISPLAY_FLAG_CONTINUOUS_SCROLL (1<<9)
538 #define MP4_TEXT_DISPLAY_FLAG_FLOW_HORIZONTAL (1<<10)
539 #define MP4_TEXT_DISPLAY_FLAG_CONTINUOUS_KARAOKE (1<<11)
540 #define MP4_TEXT_DISPLAY_FLAG_DROP_SHADOW (1<<12)
541 #define MP4_TEXT_DISPLAY_FLAG_ANTI_ALIAS (1<<13)
542 #define MP4_TEXT_DISPLAY_FLAG_KEYED_TEXT (1<<14)
543 #define MP4_TEXT_DISPLAY_FLAG_INVERSE_HILITE (1<<15)
544 #define MP4_TEXT_DISPLAY_FLAG_COLOR_HILITE (1<<16)
545 #define MP4_TEXT_DISPLAY_FLAG_WRITE_VERTICALLY (1<<17)
549 uint32_t i_reserved1;
550 uint16_t i_reserved2;
552 uint16_t i_data_reference_index;
554 uint32_t i_display_flags; // TextDescription and Tx3gDescription
556 int8_t i_justification_horizontal; // left(0), centered(1), right(-1)
557 int8_t i_justification_vertical; // top(0), centered(1), bottom(-1)
559 uint16_t i_background_color[4];
561 uint16_t i_text_box_top;
562 uint16_t i_text_box_left;
563 uint16_t i_text_box_bottom;
564 uint16_t i_text_box_right;
567 } MP4_Box_data_sample_text_t;
569 typedef struct MP4_Box_data_sample_hint_s
571 uint8_t i_reserved1[6];
572 uint16_t i_data_reference_index;
576 } MP4_Box_data_sample_hint_t;
578 typedef struct MP4_Box_data_moviehintinformation_rtp_s
580 uint32_t i_description_format;
581 unsigned char *psz_text;
583 } MP4_Box_data_moviehintinformation_rtp_t;
587 typedef struct MP4_Box_data_stsd_s
592 uint32_t i_entry_count;
594 /* it contains SampleEntry handled as if it was Box */
596 } MP4_Box_data_stsd_t;
599 typedef struct MP4_Box_data_stsz_s
604 uint32_t i_sample_size;
605 uint32_t i_sample_count;
607 uint32_t *i_entry_size; /* array , empty if i_sample_size != 0 */
609 } MP4_Box_data_stsz_t;
611 typedef struct MP4_Box_data_stz2_s
616 uint32_t i_sample_size; /* 24 bits */
617 uint8_t i_field_size;
618 uint32_t i_sample_count;
620 uint32_t *i_entry_size; /* array: unsigned int(i_field_size) entry_size */
622 } MP4_Box_data_stz2_t;
624 typedef struct MP4_Box_data_stsc_s
629 uint32_t i_entry_count;
631 uint32_t *i_first_chunk; /* theses are arrays */
632 uint32_t *i_samples_per_chunk;
633 uint32_t *i_sample_description_index;
635 } MP4_Box_data_stsc_t;
638 typedef struct MP4_Box_data_co64_s
643 uint32_t i_entry_count;
645 uint64_t *i_chunk_offset;
647 } MP4_Box_data_co64_t;
650 typedef struct MP4_Box_data_stss_s
655 uint32_t i_entry_count;
657 uint32_t *i_sample_number;
659 } MP4_Box_data_stss_t;
661 typedef struct MP4_Box_data_stsh_s
666 uint32_t i_entry_count;
668 uint32_t *i_shadowed_sample_number;
669 uint32_t *i_sync_sample_number;
671 } MP4_Box_data_stsh_t;
673 typedef struct MP4_Box_data_stdp_s
678 uint16_t *i_priority;
680 } MP4_Box_data_stdp_t;
682 typedef struct MP4_Box_data_padb_s
687 uint32_t i_sample_count;
689 uint16_t *i_reserved1; /* 1bit */
690 uint16_t *i_pad2; /* 3bits */
691 uint16_t *i_reserved2; /* 1bit */
692 uint16_t *i_pad1; /* 3bits */
695 } MP4_Box_data_padb_t;
698 typedef struct MP4_Box_data_elst_s
703 uint32_t i_entry_count;
705 uint64_t *i_segment_duration;
706 int64_t *i_media_time;
707 uint16_t *i_media_rate_integer;
708 uint16_t *i_media_rate_fraction;
711 } MP4_Box_data_elst_t;
713 typedef struct MP4_Box_data_cprt_s
718 unsigned char i_language[3];
721 } MP4_Box_data_cprt_t;
724 /* DecoderConfigDescriptor */
725 typedef struct MP4_descriptor_decoder_config_s
727 uint8_t i_objectTypeIndication;
728 uint8_t i_streamType;
734 int i_decoder_specific_info_len;
735 uint8_t *p_decoder_specific_info;
736 /* some other stuff */
738 } MP4_descriptor_decoder_config_t;
740 typedef struct MP4_descriptor_SL_config_s
743 int i_dummy; /* ANSI C forbids empty structures */
745 } MP4_descriptor_SL_config_t;
748 typedef struct MP4_descriptor_ES_s
751 int b_stream_dependence;
754 int i_stream_priority;
756 int i_depend_on_ES_ID; /* if b_stream_dependence set */
758 unsigned char *psz_URL;
760 uint16_t i_OCR_ES_ID; /* if b_OCRstream */
761 MP4_descriptor_decoder_config_t *p_decConfigDescr;
763 MP4_descriptor_SL_config_t *p_slConfigDescr;
765 /* some other stuff ... */
767 } MP4_descriptor_ES_t;
770 typedef struct MP4_Box_data_esds_s
775 MP4_descriptor_ES_t es_descriptor;
777 } MP4_Box_data_esds_t;
780 typedef struct MP4_Box_data_dcom_s
782 uint32_t i_algorithm; /* fourcc */
784 } MP4_Box_data_dcom_t;
786 typedef struct MP4_Box_data_cmvd_s
788 uint32_t i_uncompressed_size;
789 uint32_t i_compressed_size;
791 int b_compressed; /* Set to 1 if compressed data, 0 if uncompressed */
794 } MP4_Box_data_cmvd_t;
796 typedef struct MP4_Box_data_cmov_s
798 struct MP4_Box_s *p_moov; /* uncompressed moov */
800 } MP4_Box_data_cmov_t;
805 } MP4_Box_data_frma_t;
812 } MP4_Box_data_skcr_t;
822 } MP4_Box_data_rdrf_t;
831 } MP4_Box_data_rmdr_t;
838 uint32_t i_gestaltType;
841 uint16_t i_checkType; /* 0: val1 is version min
842 1: gestalt value & val2 == val1 */
844 } MP4_Box_data_rmvc_t;
852 } MP4_Box_data_rmcd_t;
858 } MP4_Box_data_rmqu_t;
860 typedef struct MP4_Box_data_mfhd_s
865 uint32_t i_sequence_number;
867 } MP4_Box_data_mfhd_t;
869 typedef struct MP4_Box_sidx_item_s
871 bool b_reference_type;
872 uint32_t i_referenced_size;
873 uint32_t i_subsegment_duration;
874 bool b_starts_with_SAP;
876 uint32_t i_SAP_delta_time;
878 } MP4_Box_sidx_item_t;
880 typedef struct MP4_Box_data_sidx_s
885 uint32_t i_reference_ID;
886 uint32_t i_timescale;
887 uint64_t i_earliest_presentation_time;
888 uint64_t i_first_offset;
889 uint16_t i_reference_count;
891 MP4_Box_sidx_item_t *p_items;
893 } MP4_Box_data_sidx_t;
895 #define MP4_TFHD_BASE_DATA_OFFSET (1LL<<0)
896 #define MP4_TFHD_SAMPLE_DESC_INDEX (1LL<<1)
897 #define MP4_TFHD_DFLT_SAMPLE_DURATION (1LL<<3)
898 #define MP4_TFHD_DFLT_SAMPLE_SIZE (1LL<<4)
899 #define MP4_TFHD_DFLT_SAMPLE_FLAGS (1LL<<5)
900 #define MP4_TFHD_DURATION_IS_EMPTY (1LL<<16)
901 typedef struct MP4_Box_data_tfhd_s
908 /* optional fields */
909 uint64_t i_base_data_offset;
910 uint32_t i_sample_description_index;
911 uint32_t i_default_sample_duration;
912 uint32_t i_default_sample_size;
913 uint32_t i_default_sample_flags;
915 } MP4_Box_data_tfhd_t;
917 #define MP4_TRUN_DATA_OFFSET (1<<0)
918 #define MP4_TRUN_FIRST_FLAGS (1<<2)
919 #define MP4_TRUN_SAMPLE_DURATION (1<<8)
920 #define MP4_TRUN_SAMPLE_SIZE (1<<9)
921 #define MP4_TRUN_SAMPLE_FLAGS (1<<10)
922 #define MP4_TRUN_SAMPLE_TIME_OFFSET (1<<11)
923 typedef struct MP4_descriptor_trun_sample_t
928 uint32_t i_composition_time_offset;
929 } MP4_descriptor_trun_sample_t;
931 typedef struct MP4_Box_data_trun_s
935 uint32_t i_sample_count;
937 /* optional fields */
938 int32_t i_data_offset;
939 uint32_t i_first_sample_flags;
941 MP4_descriptor_trun_sample_t *p_samples;
943 } MP4_Box_data_trun_t;
950 } MP4_Box_data_0xa9xxx_t;
956 } MP4_Box_data_name_t;
960 uint32_t i_entry_count;
961 uint32_t *i_track_ID;
963 } MP4_Box_data_tref_generic_t;
976 } MP4_Box_data_chpl_t;
982 uint8_t i_profile_compatibility;
985 uint8_t i_reserved1; /* 6 bits */
986 uint8_t i_length_size;
988 uint8_t i_reserved2; /* 3 bits */
990 uint16_t *i_sps_length;
994 uint16_t *i_pps_length;
997 /* XXX: Hack raw avcC atom payload */
1001 } MP4_Box_data_avcC_t;
1010 uint8_t i_bitrate_code;
1012 } MP4_Box_data_dac3_t;
1016 uint8_t i_profile_level;
1021 } MP4_Box_data_dvc1_t;
1025 uint16_t i_little_endian;
1027 } MP4_Box_data_enda_t;
1033 } MP4_Box_data_gnre_t;
1037 uint32_t i_track_number;
1038 uint32_t i_track_total;
1040 } MP4_Box_data_trkn_t;
1047 uint16_t i_object_descriptor;
1048 uint8_t i_OD_profile_level;
1049 uint8_t i_scene_profile_level;
1050 uint8_t i_audio_profile_level;
1051 uint8_t i_visual_profile_level;
1052 uint8_t i_graphics_profile_level;
1054 } MP4_Box_data_iods_t;
1058 uint32_t i_horizontal_spacing;
1059 uint32_t i_vertical_spacing;
1060 } MP4_Box_data_pasp_t;
1067 uint64_t i_fragment_duration;
1068 } MP4_Box_data_mehd_t;
1075 uint32_t i_track_ID;
1076 uint32_t i_default_sample_description_index;
1077 uint32_t i_default_sample_duration;
1078 uint32_t i_default_sample_size;
1079 uint32_t i_default_sample_flags;
1080 } MP4_Box_data_trex_t;
1087 uint8_t *p_sample_table;
1088 } MP4_Box_data_sdtp_t;
1096 } MP4_Box_data_mfro_t;
1103 uint32_t i_track_ID;
1104 uint32_t i_number_of_entries;
1106 uint8_t i_length_size_of_traf_num;
1107 uint8_t i_length_size_of_trun_num;
1108 uint8_t i_length_size_of_sample_num;
1111 uint32_t *p_moof_offset;
1112 uint8_t *p_traf_number;
1113 uint8_t *p_trun_number;
1114 uint8_t *p_sample_number;
1115 } MP4_Box_data_tfra_t;
1118 typedef struct MP4_Box_data__s
1127 typedef union MP4_Box_data_s
1129 MP4_Box_data_ftyp_t *p_ftyp;
1130 MP4_Box_data_mvhd_t *p_mvhd;
1131 MP4_Box_data_mfhd_t *p_mfhd;
1132 MP4_Box_data_sidx_t *p_sidx;
1133 MP4_Box_data_tfhd_t *p_tfhd;
1134 MP4_Box_data_trun_t *p_trun;
1135 MP4_Box_data_tkhd_t *p_tkhd;
1136 MP4_Box_data_mdhd_t *p_mdhd;
1137 MP4_Box_data_hdlr_t *p_hdlr;
1138 MP4_Box_data_vmhd_t *p_vmhd;
1139 MP4_Box_data_smhd_t *p_smhd;
1140 MP4_Box_data_hmhd_t *p_hmhd;
1141 MP4_Box_data_url_t *p_url;
1142 MP4_Box_data_urn_t *p_urn;
1143 MP4_Box_data_dref_t *p_dref;
1144 MP4_Box_data_stts_t *p_stts;
1145 MP4_Box_data_ctts_t *p_ctts;
1146 MP4_Box_data_stsd_t *p_stsd;
1147 MP4_Box_data_sample_vide_t *p_sample_vide;
1148 MP4_Box_data_sample_soun_t *p_sample_soun;
1149 MP4_Box_data_sample_text_t *p_sample_text;
1150 MP4_Box_data_sample_hint_t *p_sample_hint;
1152 MP4_Box_data_esds_t *p_esds;
1153 MP4_Box_data_avcC_t *p_avcC;
1154 MP4_Box_data_dac3_t *p_dac3;
1155 MP4_Box_data_dvc1_t *p_dvc1;
1156 MP4_Box_data_enda_t *p_enda;
1157 MP4_Box_data_gnre_t *p_gnre;
1158 MP4_Box_data_trkn_t *p_trkn;
1159 MP4_Box_data_iods_t *p_iods;
1160 MP4_Box_data_pasp_t *p_pasp;
1161 MP4_Box_data_trex_t *p_trex;
1162 MP4_Box_data_mehd_t *p_mehd;
1163 MP4_Box_data_sdtp_t *p_sdtp;
1165 MP4_Box_data_tfra_t *p_tfra;
1166 MP4_Box_data_mfro_t *p_mfro;
1168 MP4_Box_data_stsz_t *p_stsz;
1169 MP4_Box_data_stz2_t *p_stz2;
1170 MP4_Box_data_stsc_t *p_stsc;
1171 MP4_Box_data_co64_t *p_co64;
1172 MP4_Box_data_stss_t *p_stss;
1173 MP4_Box_data_stsh_t *p_stsh;
1174 MP4_Box_data_stdp_t *p_stdp;
1175 MP4_Box_data_padb_t *p_padb;
1176 MP4_Box_data_elst_t *p_elst;
1177 MP4_Box_data_cprt_t *p_cprt;
1179 MP4_Box_data_dcom_t *p_dcom;
1180 MP4_Box_data_cmvd_t *p_cmvd;
1181 MP4_Box_data_cmov_t *p_cmov;
1183 MP4_Box_data_moviehintinformation_rtp_t p_moviehintinformation_rtp;
1185 MP4_Box_data_frma_t *p_frma;
1186 MP4_Box_data_skcr_t *p_skcr;
1188 MP4_Box_data_rdrf_t *p_rdrf;
1189 MP4_Box_data_rmdr_t *p_rmdr;
1190 MP4_Box_data_rmqu_t *p_rmqu;
1191 MP4_Box_data_rmvc_t *p_rmvc;
1193 MP4_Box_data_0xa9xxx_t *p_0xa9xxx;
1194 MP4_Box_data_chpl_t *p_chpl;
1195 MP4_Box_data_tref_generic_t *p_tref_generic;
1196 MP4_Box_data_name_t *p_name;
1198 MP4_Box_data_tfrf_t *p_tfrf;
1199 MP4_Box_data_tfxd_t *p_tfxd;
1201 void *p_data; /* for unknow type */
1206 /* the most basic structure */
1207 typedef struct MP4_Box_s
1209 off_t i_pos; /* absolute position */
1212 uint32_t i_shortsize;
1214 UUID_t i_uuid; /* Set if i_type == "uuid" */
1216 uint64_t i_size; /* always set so use it */
1218 MP4_Box_data_t data; /* union of pointers on extended data depending
1219 on i_type (or i_usertype) */
1221 struct MP4_Box_s *p_father; /* pointer on the father Box */
1223 struct MP4_Box_s *p_first; /* pointer on the first child Box */
1224 struct MP4_Box_s *p_last;
1226 struct MP4_Box_s *p_next; /* pointer on the next boxes at the same level */
1230 /* Contain all information about a chunk */
1233 uint64_t i_offset; /* absolute position of this chunk in the file */
1234 uint32_t i_sample_description_index; /* index for SampleEntry to use */
1235 uint32_t i_sample_count; /* how many samples in this chunk */
1236 uint32_t i_sample_first; /* index of the first sample in this chunk */
1237 uint32_t i_sample; /* index of the next sample to read in this chunk */
1239 /* now provide way to calculate pts, dts, and offset without too
1240 much memory and with fast access */
1242 /* with this we can calculate dts/pts without waste memory */
1243 uint64_t i_first_dts; /* DTS of the first sample */
1244 uint64_t i_last_dts; /* DTS of the last sample */
1245 uint32_t *p_sample_count_dts;
1246 uint32_t *p_sample_delta_dts; /* dts delta */
1248 uint32_t *p_sample_count_pts;
1249 int32_t *p_sample_offset_pts; /* pts-dts */
1251 uint8_t **p_sample_data; /* set when b_fragmented is true */
1252 uint32_t *p_sample_size;
1253 /* TODO if needed add pts
1254 but quickly *add* support for edts and seeking */
1258 /* Contain all needed information for read all track with vlc */
1261 unsigned int i_track_ID;/* this should be unique */
1263 int b_ok; /* The track is usable */
1264 int b_enable; /* is the trak enable by default */
1265 bool b_selected; /* is the trak being played */
1266 bool b_chapter; /* True when used for chapter only */
1268 bool b_mac_encoding;
1273 /* display size only ! */
1278 /* more internal data */
1279 uint64_t i_timescale; /* time scale for this track only */
1280 uint16_t current_qid; /* Smooth Streaming quality level ID */
1283 int i_elst; /* current elst */
1284 int64_t i_elst_time; /* current elst start time (in movie time scale)*/
1285 MP4_Box_t *p_elst; /* elst (could be NULL) */
1287 /* give the next sample to read, i_chunk is to find quickly where
1288 the sample is located */
1289 uint32_t i_sample; /* next sample to read */
1290 uint32_t i_chunk; /* chunk where next sample is stored */
1291 /* total count of chunk and sample */
1292 uint32_t i_chunk_count;
1293 uint32_t i_sample_count;
1295 mp4_chunk_t *chunk; /* always defined for each chunk */
1296 mp4_chunk_t *cchunk; /* current chunk if b_fragmented is true */
1298 /* sample size, p_sample_size defined only if i_sample_size == 0
1299 else i_sample_size is size for all sample */
1300 uint32_t i_sample_size;
1301 uint32_t *p_sample_size; /* XXX perhaps add file offset if take
1302 too much time to do sumations each time*/
1304 uint32_t i_sample_first; /* i_sample_first value
1305 of the next chunk */
1306 uint64_t i_first_dts; /* i_first_dts value
1307 of the next chunk */
1309 MP4_Box_t *p_stbl; /* will contain all timing information */
1310 MP4_Box_t *p_stsd; /* will contain all data to initialize decoder */
1311 MP4_Box_t *p_sample;/* point on actual sdsd */
1314 bool b_end_of_chunk;
1320 static inline size_t mp4_box_headersize( MP4_Box_t *p_box )
1323 + ( p_box->i_shortsize == 1 ? 8 : 0 )
1324 + ( p_box->i_type == ATOM_uuid ? 16 : 0 );
1327 #define MP4_GETX_PRIVATE(dst, code, size) do { \
1328 if( (i_read) >= (size) ) { dst = (code); p_peek += (size); } \
1333 #define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
1334 #define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
1335 #define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
1336 #define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
1337 #define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
1338 #define MP4_GETFOURCC( dst ) MP4_GETX_PRIVATE( dst, \
1339 VLC_FOURCC(p_peek[0],p_peek[1],p_peek[2],p_peek[3]), 4)
1341 #define MP4_GETVERSIONFLAGS( p_void ) \
1342 MP4_GET1BYTE( p_void->i_version ); \
1343 MP4_GET3BYTES( p_void->i_flags )
1345 #define MP4_GETSTRINGZ( p_str ) \
1346 if( (i_read > 0) && (p_peek[0]) ) \
1348 const int __i_copy__ = strnlen( (char*)p_peek, i_read-1 ); \
1349 p_str = malloc( __i_copy__+1 ); \
1352 memcpy( p_str, p_peek, __i_copy__ ); \
1353 p_str[__i_copy__] = 0; \
1355 p_peek += __i_copy__ + 1; \
1356 i_read -= __i_copy__ + 1; \
1363 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
1364 int64_t i_read = p_box->i_size; \
1365 uint8_t *p_peek, *p_buff; \
1366 int i_actually_read; \
1367 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
1371 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
1372 if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
1374 msg_Warn( p_stream, "MP4_READBOX_ENTER: I got %i bytes, "\
1375 "but I requested %"PRId64"", i_actually_read, i_read );\
1379 p_peek += mp4_box_headersize( p_box ); \
1380 i_read -= mp4_box_headersize( p_box ); \
1381 if( !( p_box->data.p_data = calloc( 1, sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
1387 #define MP4_READBOX_EXIT( i_code ) \
1392 msg_Warn( p_stream, "Not enough data" ); \
1397 /* This macro is used when we want to printf the box type
1398 * APPLE annotation box is :
1399 * either 0xA9 + 24-bit ASCII text string (and 0xA9 isn't printable)
1400 * either 32-bit ASCII text string
1402 #define MP4_BOX_TYPE_ASCII() ( ((char*)&p_box->i_type)[0] != (char)0xA9 )
1404 static inline uint32_t Get24bBE( const uint8_t *p )
1406 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
1409 static inline void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
1411 memcpy( p_uuid, p_buff, 16 );
1414 static inline int CmpUUID( const UUID_t *u1, const UUID_t *u2 )
1416 return memcmp( u1, u2, 16 );
1419 static inline void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
1421 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
1422 where XXXXXXXX is the fourcc */
1423 /* FIXME implement this */
1428 static const UUID_t TfrfBoxUUID = {
1429 { 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
1430 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f } };
1432 static const UUID_t TfxdBoxUUID = {
1433 { 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
1434 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2 } };
1437 /*****************************************************************************
1438 * MP4_BoxGetInitFrag : Parse the initialization segment.
1439 *****************************************************************************
1440 * The first box is a virtual box "root", and is the father of the boxes
1441 * 'ftyp' and 'moov'.
1442 *****************************************************************************/
1443 MP4_Box_t *MP4_BoxGetInitFrag( stream_t * );
1445 /*****************************************************************************
1446 * MP4_BoxGetNextChunk : Parse the entire moof box.
1447 *****************************************************************************
1448 * The first box is a virtual box "root" and is the father of the boxes
1449 * 'moof' and, possibly, 'sidx'.
1450 *****************************************************************************/
1451 MP4_Box_t *MP4_BoxGetNextChunk( stream_t * );
1453 /*****************************************************************************
1454 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
1455 *****************************************************************************
1456 * The first box is a virtual box "root" and is the father for all first
1458 *****************************************************************************/
1459 MP4_Box_t *MP4_BoxGetRoot( stream_t * );
1461 /*****************************************************************************
1462 * MP4_FreeBox : free memory allocated after read with MP4_ReadBox
1463 * or MP4_BoxGetRoot, this means also children boxes
1464 * XXX : all children have to be allocated by a malloc !! and
1466 *****************************************************************************/
1467 void MP4_BoxFree( stream_t *, MP4_Box_t *p_box );
1469 /*****************************************************************************
1470 * MP4_DumpBoxStructure: print the structure of the p_box
1471 *****************************************************************************
1472 * Useful while debugging
1473 *****************************************************************************/
1474 void MP4_BoxDumpStructure( stream_t *p_input, MP4_Box_t *p_box );
1476 /*****************************************************************************
1477 * MP4_BoxGet: find a box given a path relative to p_box
1478 *****************************************************************************
1479 * Path Format: . .. / as usual
1480 * [number] to specifie box number ex: trak[12]
1482 * ex: /moov/trak[12]
1484 *****************************************************************************/
1485 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... );
1487 /*****************************************************************************
1488 * MP4_BoxCount: find number of box given a path relative to p_box
1489 *****************************************************************************
1490 * Path Format: . .. / as usual
1491 * [number] to specifie box number ex: trak[12]
1495 *****************************************************************************/
1496 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... );
1498 /* Internal functions exposed for MKV demux */
1499 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box );
1500 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box );
1501 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box );