1 /*****************************************************************************
2 * libmp4.h : LibMP4 library for mp4 module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004, 2010 VLC authors and VideoLAN
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU Lesser General Public License as published by
10 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
28 #define BLOCK16x16 (1<<16)
30 #define ATOM_root VLC_FOURCC( 'r', 'o', 'o', 't' )
31 #define ATOM_uuid VLC_FOURCC( 'u', 'u', 'i', 'd' )
33 #define ATOM_ftyp VLC_FOURCC( 'f', 't', 'y', 'p' )
34 #define ATOM_moov VLC_FOURCC( 'm', 'o', 'o', 'v' )
35 #define ATOM_foov VLC_FOURCC( 'f', 'o', 'o', 'v' )
36 #define ATOM_cmov VLC_FOURCC( 'c', 'm', 'o', 'v' )
37 #define ATOM_dcom VLC_FOURCC( 'd', 'c', 'o', 'm' )
38 #define ATOM_cmvd VLC_FOURCC( 'c', 'm', 'v', 'd' )
40 #define ATOM_moof VLC_FOURCC( 'm', 'o', 'o', 'f' )
41 #define ATOM_mdat VLC_FOURCC( 'm', 'd', 'a', 't' )
42 #define ATOM_skip VLC_FOURCC( 's', 'k', 'i', 'p' )
43 #define ATOM_free VLC_FOURCC( 'f', 'r', 'e', 'e' )
44 #define ATOM_udta VLC_FOURCC( 'u', 'd', 't', 'a' )
45 #define ATOM_wide VLC_FOURCC( 'w', 'i', 'd', 'e' )
47 #define ATOM_data VLC_FOURCC( 'd', 'a', 't', 'a' )
49 #define ATOM_trak VLC_FOURCC( 't', 'r', 'a', 'k' )
50 #define ATOM_mvhd VLC_FOURCC( 'm', 'v', 'h', 'd' )
51 #define ATOM_tkhd VLC_FOURCC( 't', 'k', 'h', 'd' )
52 #define ATOM_tref VLC_FOURCC( 't', 'r', 'e', 'f' )
53 #define ATOM_mdia VLC_FOURCC( 'm', 'd', 'i', 'a' )
54 #define ATOM_mdhd VLC_FOURCC( 'm', 'd', 'h', 'd' )
55 #define ATOM_hdlr VLC_FOURCC( 'h', 'd', 'l', 'r' )
56 #define ATOM_minf VLC_FOURCC( 'm', 'i', 'n', 'f' )
57 #define ATOM_vmhd VLC_FOURCC( 'v', 'm', 'h', 'd' )
58 #define ATOM_smhd VLC_FOURCC( 's', 'm', 'h', 'd' )
59 #define ATOM_hmhd VLC_FOURCC( 'h', 'm', 'h', 'd' )
60 #define ATOM_dinf VLC_FOURCC( 'd', 'i', 'n', 'f' )
61 #define ATOM_url VLC_FOURCC( 'u', 'r', 'l', ' ' )
62 #define ATOM_urn VLC_FOURCC( 'u', 'r', 'n', ' ' )
63 #define ATOM_dref VLC_FOURCC( 'd', 'r', 'e', 'f' )
64 #define ATOM_stbl VLC_FOURCC( 's', 't', 'b', 'l' )
65 #define ATOM_stts VLC_FOURCC( 's', 't', 't', 's' )
66 #define ATOM_ctts VLC_FOURCC( 'c', 't', 't', 's' )
67 #define ATOM_stsd VLC_FOURCC( 's', 't', 's', 'd' )
68 #define ATOM_stsz VLC_FOURCC( 's', 't', 's', 'z' )
69 #define ATOM_stz2 VLC_FOURCC( 's', 't', 'z', '2' )
70 #define ATOM_stsc VLC_FOURCC( 's', 't', 's', 'c' )
71 #define ATOM_stco VLC_FOURCC( 's', 't', 'c', 'o' )
72 #define ATOM_co64 VLC_FOURCC( 'c', 'o', '6', '4' )
73 #define ATOM_stss VLC_FOURCC( 's', 't', 's', 's' )
74 #define ATOM_stsh VLC_FOURCC( 's', 't', 's', 'h' )
75 #define ATOM_stdp VLC_FOURCC( 's', 't', 'd', 'p' )
76 #define ATOM_padb VLC_FOURCC( 'p', 'a', 'd', 'b' )
77 #define ATOM_edts VLC_FOURCC( 'e', 'd', 't', 's' )
78 #define ATOM_elst VLC_FOURCC( 'e', 'l', 's', 't' )
79 #define ATOM_mvex VLC_FOURCC( 'm', 'v', 'e', 'x' )
80 #define ATOM_sdtp VLC_FOURCC( 's', 'd', 't', 'p' )
81 #define ATOM_trex VLC_FOURCC( 't', 'r', 'e', 'x' )
82 #define ATOM_mehd VLC_FOURCC( 'm', 'e', 'h', 'd' )
83 #define ATOM_mfhd VLC_FOURCC( 'm', 'f', 'h', 'd' )
84 #define ATOM_traf VLC_FOURCC( 't', 'r', 'a', 'f' )
85 #define ATOM_sidx VLC_FOURCC( 's', 'i', 'd', 'x' )
86 #define ATOM_tfhd VLC_FOURCC( 't', 'f', 'h', 'd' )
87 #define ATOM_trun VLC_FOURCC( 't', 'r', 'u', 'n' )
88 #define ATOM_cprt VLC_FOURCC( 'c', 'p', 'r', 't' )
89 #define ATOM_iods VLC_FOURCC( 'i', 'o', 'd', 's' )
90 #define ATOM_pasp VLC_FOURCC( 'p', 'a', 's', 'p' )
91 #define ATOM_mfra VLC_FOURCC( 'm', 'f', 'r', 'a' )
92 #define ATOM_mfro VLC_FOURCC( 'm', 'f', 'r', 'o' )
93 #define ATOM_tfra VLC_FOURCC( 't', 'f', 'r', 'a' )
95 #define ATOM_nmhd VLC_FOURCC( 'n', 'm', 'h', 'd' )
96 #define ATOM_mp2v VLC_FOURCC( 'm', 'p', '2', 'v' )
97 #define ATOM_mp4v VLC_FOURCC( 'm', 'p', '4', 'v' )
98 #define ATOM_mp4a VLC_FOURCC( 'm', 'p', '4', 'a' )
99 #define ATOM_mp4s VLC_FOURCC( 'm', 'p', '4', 's' )
100 #define ATOM_vide VLC_FOURCC( 'v', 'i', 'd', 'e' )
101 #define ATOM_soun VLC_FOURCC( 's', 'o', 'u', 'n' )
102 #define ATOM_hint VLC_FOURCC( 'h', 'i', 'n', 't' )
103 #define ATOM_hdv2 VLC_FOURCC( 'h', 'd', 'v', '2' )
105 #define ATOM_dpnd VLC_FOURCC( 'd', 'p', 'n', 'd' )
106 #define ATOM_ipir VLC_FOURCC( 'i', 'p', 'i', 'r' )
107 #define ATOM_mpod VLC_FOURCC( 'm', 'p', 'o', 'd' )
108 #define ATOM_hnti VLC_FOURCC( 'h', 'n', 't', 'i' )
109 #define ATOM_rtp VLC_FOURCC( 'r', 't', 'p', ' ' )
111 #define ATOM_isom VLC_FOURCC( 'i', 's', 'o', 'm' )
112 #define ATOM_3gp4 VLC_FOURCC( '3', 'g', 'p', '4' )
113 #define ATOM_esds VLC_FOURCC( 'e', 's', 'd', 's' )
115 #define ATOM__mp3 VLC_FOURCC( '.', 'm', 'p', '3' )
116 #define ATOM_ms02 VLC_FOURCC( 'm', 's', 0x0, 0x02 )
117 #define ATOM_ms11 VLC_FOURCC( 'm', 's', 0x0, 0x11 )
118 #define ATOM_ms55 VLC_FOURCC( 'm', 's', 0x0, 0x55 )
119 #define ATOM_twos VLC_FOURCC( 't', 'w', 'o', 's' )
120 #define ATOM_sowt VLC_FOURCC( 's', 'o', 'w', 't' )
121 #define ATOM_QDMC VLC_FOURCC( 'Q', 'D', 'M', 'C' )
122 #define ATOM_QDM2 VLC_FOURCC( 'Q', 'D', 'M', '2' )
123 #define ATOM_ima4 VLC_FOURCC( 'i', 'm', 'a', '4' )
124 #define ATOM_IMA4 VLC_FOURCC( 'I', 'M', 'A', '4' )
125 #define ATOM_dvi VLC_FOURCC( 'd', 'v', 'i', ' ' )
126 #define ATOM_MAC3 VLC_FOURCC( 'M', 'A', 'C', '3' )
127 #define ATOM_MAC6 VLC_FOURCC( 'M', 'A', 'C', '6' )
128 #define ATOM_alaw VLC_FOURCC( 'a', 'l', 'a', 'w' )
129 #define ATOM_ulaw VLC_FOURCC( 'u', 'l', 'a', 'w' )
130 #define ATOM_Qclp VLC_FOURCC( 'Q', 'c', 'l', 'p' )
131 #define ATOM_samr VLC_FOURCC( 's', 'a', 'm', 'r' )
132 #define ATOM_sawb VLC_FOURCC( 's', 'a', 'w', 'b' )
133 #define ATOM_OggS VLC_FOURCC( 'O', 'g', 'g', 'S' )
134 #define ATOM_alac VLC_FOURCC( 'a', 'l', 'a', 'c' )
135 #define ATOM_dac3 VLC_FOURCC( 'd', 'a', 'c', '3' )
136 #define ATOM_dec3 VLC_FOURCC( 'd', 'e', 'c', '3' )
137 #define ATOM_dvc1 VLC_FOURCC( 'd', 'v', 'c', '1' )
138 #define ATOM_enda VLC_FOURCC( 'e', 'n', 'd', 'a' )
139 #define ATOM_gnre VLC_FOURCC( 'g', 'n', 'r', 'e' )
140 #define ATOM_trkn VLC_FOURCC( 't', 'r', 'k', 'n' )
142 #define ATOM_zlib VLC_FOURCC( 'z', 'l', 'i', 'b' )
143 #define ATOM_SVQ1 VLC_FOURCC( 'S', 'V', 'Q', '1' )
144 #define ATOM_SVQ3 VLC_FOURCC( 'S', 'V', 'Q', '3' )
145 #define ATOM_ZyGo VLC_FOURCC( 'Z', 'y', 'G', 'o' )
146 #define ATOM_3IV1 VLC_FOURCC( '3', 'I', 'V', '1' )
147 #define ATOM_3iv1 VLC_FOURCC( '3', 'i', 'v', '1' )
148 #define ATOM_3IV2 VLC_FOURCC( '3', 'I', 'V', '2' )
149 #define ATOM_3iv2 VLC_FOURCC( '3', 'i', 'v', '2' )
150 #define ATOM_3IVD VLC_FOURCC( '3', 'I', 'V', 'D' )
151 #define ATOM_3ivd VLC_FOURCC( '3', 'i', 'v', 'd' )
152 #define ATOM_3VID VLC_FOURCC( '3', 'V', 'I', 'D' )
153 #define ATOM_3vid VLC_FOURCC( '3', 'v', 'i', 'd' )
154 #define ATOM_h263 VLC_FOURCC( 'h', '2', '6', '3' )
155 #define ATOM_s263 VLC_FOURCC( 's', '2', '6', '3' )
156 #define ATOM_DIVX VLC_FOURCC( 'D', 'I', 'V', 'X' )
157 #define ATOM_XVID VLC_FOURCC( 'X', 'V', 'I', 'D' )
158 #define ATOM_cvid VLC_FOURCC( 'c', 'v', 'i', 'd' )
159 #define ATOM_mjpa VLC_FOURCC( 'm', 'j', 'p', 'a' )
160 #define ATOM_mjpb VLC_FOURCC( 'm', 'j', 'q', 't' )
161 #define ATOM_mjqt VLC_FOURCC( 'm', 'j', 'h', 't' )
162 #define ATOM_mjht VLC_FOURCC( 'm', 'j', 'p', 'b' )
163 #define ATOM_VP31 VLC_FOURCC( 'V', 'P', '3', '1' )
164 #define ATOM_vp31 VLC_FOURCC( 'v', 'p', '3', '1' )
165 #define ATOM_h264 VLC_FOURCC( 'h', '2', '6', '4' )
166 #define ATOM_qdrw VLC_FOURCC( 'q', 'd', 'r', 'w' )
168 #define ATOM_avc1 VLC_FOURCC( 'a', 'v', 'c', '1' )
169 #define ATOM_avcC VLC_FOURCC( 'a', 'v', 'c', 'C' )
170 #define ATOM_m4ds VLC_FOURCC( 'm', '4', 'd', 's' )
172 #define ATOM_hvcC VLC_FOURCC( 'h', 'v', 'c', 'C' )
174 #define ATOM_dvc VLC_FOURCC( 'd', 'v', 'c', ' ' )
175 #define ATOM_dvp VLC_FOURCC( 'd', 'v', 'p', ' ' )
176 #define ATOM_dv5n VLC_FOURCC( 'd', 'v', '5', 'n' )
177 #define ATOM_dv5p VLC_FOURCC( 'd', 'v', '5', 'p' )
178 #define ATOM_raw VLC_FOURCC( 'r', 'a', 'w', ' ' )
180 #define ATOM_jpeg VLC_FOURCC( 'j', 'p', 'e', 'g' )
182 #define ATOM_yv12 VLC_FOURCC( 'y', 'v', '1', '2' )
183 #define ATOM_yuv2 VLC_FOURCC( 'y', 'u', 'v', '2' )
185 #define ATOM_rmra VLC_FOURCC( 'r', 'm', 'r', 'a' )
186 #define ATOM_rmda VLC_FOURCC( 'r', 'm', 'd', 'a' )
187 #define ATOM_rdrf VLC_FOURCC( 'r', 'd', 'r', 'f' )
188 #define ATOM_rmdr VLC_FOURCC( 'r', 'm', 'd', 'r' )
189 #define ATOM_rmvc VLC_FOURCC( 'r', 'm', 'v', 'c' )
190 #define ATOM_rmcd VLC_FOURCC( 'r', 'm', 'c', 'd' )
191 #define ATOM_rmqu VLC_FOURCC( 'r', 'm', 'q', 'u' )
192 #define ATOM_alis VLC_FOURCC( 'a', 'l', 'i', 's' )
194 #define ATOM_gmhd VLC_FOURCC( 'g', 'm', 'h', 'd' )
195 #define ATOM_wave VLC_FOURCC( 'w', 'a', 'v', 'e' )
197 #define ATOM_drms VLC_FOURCC( 'd', 'r', 'm', 's' )
198 #define ATOM_sinf VLC_FOURCC( 's', 'i', 'n', 'f' )
199 #define ATOM_schi VLC_FOURCC( 's', 'c', 'h', 'i' )
200 #define ATOM_user VLC_FOURCC( 'u', 's', 'e', 'r' )
201 #define ATOM_key VLC_FOURCC( 'k', 'e', 'y', ' ' )
202 #define ATOM_iviv VLC_FOURCC( 'i', 'v', 'i', 'v' )
203 #define ATOM_name VLC_FOURCC( 'n', 'a', 'm', 'e' )
204 #define ATOM_priv VLC_FOURCC( 'p', 'r', 'i', 'v' )
205 #define ATOM_drmi VLC_FOURCC( 'd', 'r', 'm', 'i' )
206 #define ATOM_frma VLC_FOURCC( 'f', 'r', 'm', 'a' )
207 #define ATOM_skcr VLC_FOURCC( 's', 'k', 'c', 'r' )
209 #define ATOM_text VLC_FOURCC( 't', 'e', 'x', 't' )
210 #define ATOM_tx3g VLC_FOURCC( 't', 'x', '3', 'g' )
211 #define ATOM_subp VLC_FOURCC( 's', 'u', 'b', 'p' )
212 #define ATOM_sbtl VLC_FOURCC( 's', 'b', 't', 'l' )
214 #define ATOM_0xa9nam VLC_FOURCC( 0xa9, 'n', 'a', 'm' )
215 #define ATOM_0xa9aut VLC_FOURCC( 0xa9, 'a', 'u', 't' )
216 #define ATOM_0xa9cpy VLC_FOURCC( 0xa9, 'c', 'p', 'y' )
217 #define ATOM_0xa9inf VLC_FOURCC( 0xa9, 'i', 'n', 'f' )
218 #define ATOM_0xa9ART VLC_FOURCC( 0xa9, 'A', 'R', 'T' )
219 #define ATOM_0xa9des VLC_FOURCC( 0xa9, 'd', 'e', 's' )
220 #define ATOM_0xa9dir VLC_FOURCC( 0xa9, 'd', 'i', 'r' )
221 #define ATOM_0xa9cmt VLC_FOURCC( 0xa9, 'c', 'm', 't' )
222 #define ATOM_0xa9req VLC_FOURCC( 0xa9, 'r', 'e', 'q' )
223 #define ATOM_0xa9day VLC_FOURCC( 0xa9, 'd', 'a', 'y' )
224 #define ATOM_0xa9fmt VLC_FOURCC( 0xa9, 'f', 'm', 't' )
225 #define ATOM_0xa9prd VLC_FOURCC( 0xa9, 'p', 'r', 'd' )
226 #define ATOM_0xa9prf VLC_FOURCC( 0xa9, 'p', 'r', 'f' )
227 #define ATOM_0xa9src VLC_FOURCC( 0xa9, 's', 'r', 'c' )
228 #define ATOM_0xa9alb VLC_FOURCC( 0xa9, 'a', 'l', 'b' )
229 #define ATOM_0xa9dis VLC_FOURCC( 0xa9, 'd', 'i', 's' )
230 #define ATOM_0xa9enc VLC_FOURCC( 0xa9, 'e', 'n', 'c' )
231 #define ATOM_0xa9trk VLC_FOURCC( 0xa9, 't', 'r', 'k' )
232 #define ATOM_0xa9url VLC_FOURCC( 0xa9, 'u', 'r', 'l' )
233 #define ATOM_0xa9dsa VLC_FOURCC( 0xa9, 'd', 's', 'a' )
234 #define ATOM_0xa9hst VLC_FOURCC( 0xa9, 'h', 's', 't' )
235 #define ATOM_0xa9ope VLC_FOURCC( 0xa9, 'o', 'p', 'e' )
236 #define ATOM_0xa9wrt VLC_FOURCC( 0xa9, 'w', 'r', 't' )
237 #define ATOM_0xa9com VLC_FOURCC( 0xa9, 'c', 'o', 'm' )
238 #define ATOM_0xa9gen VLC_FOURCC( 0xa9, 'g', 'e', 'n' )
239 #define ATOM_0xa9too VLC_FOURCC( 0xa9, 't', 'o', 'o' )
240 #define ATOM_0xa9wrn VLC_FOURCC( 0xa9, 'w', 'r', 'n' )
241 #define ATOM_0xa9swr VLC_FOURCC( 0xa9, 's', 'w', 'r' )
242 #define ATOM_0xa9mak VLC_FOURCC( 0xa9, 'm', 'a', 'k' )
243 #define ATOM_0xa9mod VLC_FOURCC( 0xa9, 'm', 'o', 'd' )
244 #define ATOM_0xa9PRD VLC_FOURCC( 0xa9, 'P', 'R', 'D' )
245 #define ATOM_0xa9grp VLC_FOURCC( 0xa9, 'g', 'r', 'p' )
246 #define ATOM_0xa9lyr VLC_FOURCC( 0xa9, 'l', 'y', 'r' )
247 #define ATOM_0xa9gen VLC_FOURCC( 0xa9, 'g', 'e', 'n' )
248 #define ATOM_0xa9st3 VLC_FOURCC( 0xa9, 's', 't', '3' )
249 #define ATOM_0xa9ard VLC_FOURCC( 0xa9, 'a', 'r', 'd' )
250 #define ATOM_0xa9arg VLC_FOURCC( 0xa9, 'a', 'r', 'g' )
251 #define ATOM_0xa9cak VLC_FOURCC( 0xa9, 'c', 'a', 'k' )
252 #define ATOM_0xa9con VLC_FOURCC( 0xa9, 'c', 'o', 'n' )
253 #define ATOM_0xa9des VLC_FOURCC( 0xa9, 'd', 'e', 's' )
254 #define ATOM_0xa9lnt VLC_FOURCC( 0xa9, 'l', 'n', 't' )
255 #define ATOM_0xa9phg VLC_FOURCC( 0xa9, 'p', 'h', 'g' )
256 #define ATOM_0xa9pub VLC_FOURCC( 0xa9, 'p', 'u', 'b' )
257 #define ATOM_0xa9sne VLC_FOURCC( 0xa9, 's', 'n', 'e' )
258 #define ATOM_0xa9sol VLC_FOURCC( 0xa9, 's', 'o', 'l' )
259 #define ATOM_0xa9thx VLC_FOURCC( 0xa9, 't', 'h', 'x' )
260 #define ATOM_0xa9xpd VLC_FOURCC( 0xa9, 'x', 'p', 'd' )
261 #define ATOM_chpl VLC_FOURCC( 'c', 'h', 'p', 'l' )
262 #define ATOM_WLOC VLC_FOURCC( 'W', 'L', 'O', 'C' )
264 #define ATOM_meta VLC_FOURCC( 'm', 'e', 't', 'a' )
265 #define ATOM_ilst VLC_FOURCC( 'i', 'l', 's', 't' )
266 #define ATOM_covr VLC_FOURCC( 'c', 'o', 'v', 'r' )
268 #define ATOM_chap VLC_FOURCC( 'c', 'h', 'a', 'p' )
270 /* Do you want some debug information on all read boxes ? */
272 # define MP4_VERBOSE 1
278 /* uuid Universal Unique IDentifiers */
279 typedef struct UUID_s
284 /* specific structure for all boxes */
286 typedef struct MP4_Box_data_tfxd_s
291 uint64_t i_fragment_duration;
292 uint64_t i_fragment_abs_time;
294 } MP4_Box_data_tfxd_t;
296 typedef struct TfrfBoxDataFields_s
298 uint64_t i_fragment_duration;
299 uint64_t i_fragment_abs_time;
301 } TfrfBoxDataFields_t;
303 typedef struct MP4_Box_data_tfrf_s
306 uint8_t i_fragment_count;
309 TfrfBoxDataFields_t *p_tfrf_data_fields;
311 } MP4_Box_data_tfrf_t;
313 typedef struct MP4_Box_data_ftyp_s
315 uint32_t i_major_brand;
316 uint32_t i_minor_version;
318 uint32_t i_compatible_brands_count;
319 uint32_t *i_compatible_brands;
321 } MP4_Box_data_ftyp_t;
323 typedef struct MP4_Box_data_mvhd_s
328 uint64_t i_creation_time;
329 uint64_t i_modification_time;
330 uint32_t i_timescale;
336 uint32_t i_reserved2[2];
338 uint32_t i_predefined[6];
339 uint32_t i_next_track_id;
341 } MP4_Box_data_mvhd_t;
343 #define MP4_TRACK_ENABLED 0x000001
344 #define MP4_TRACK_IN_MOVIE 0x000002
345 #define MP4_TRACK_IN_PREVIEW 0x000004
346 typedef struct MP4_Box_data_tkhd_s
351 uint64_t i_creation_time;
352 uint64_t i_modification_time;
357 uint32_t i_reserved2[2];
359 int16_t i_predefined;
362 uint16_t i_reserved3;
368 } MP4_Box_data_tkhd_t;
370 typedef struct MP4_Box_data_mdhd_s
375 uint64_t i_creation_time;
376 uint64_t i_modification_time;
377 uint32_t i_timescale;
380 /* one bit for pad */
381 uint16_t i_language_code;
382 /* unsigned int(5)[3] language difference with 0x60*/
383 unsigned char i_language[3];
384 uint16_t i_predefined;
386 } MP4_Box_data_mdhd_t;
388 typedef struct MP4_Box_data_hdlr_s
393 uint32_t i_predefined;
394 uint32_t i_handler_type; /* "vide" "soun" "hint" "odsm"
395 "crsm" "sdsm" "m7sm" "ocsm"
398 unsigned char *psz_name; /* in UTF-8 */
400 } MP4_Box_data_hdlr_t;
402 typedef struct MP4_Box_data_vmhd_s
407 int16_t i_graphics_mode;
408 int16_t i_opcolor[3];
410 } MP4_Box_data_vmhd_t;
412 typedef struct MP4_Box_data_smhd_s
420 } MP4_Box_data_smhd_t;
422 typedef struct MP4_Box_data_hmhd_s
427 uint16_t i_max_PDU_size;
428 uint16_t i_avg_PDU_size;
429 uint32_t i_max_bitrate;
430 uint32_t i_avg_bitrate;
433 } MP4_Box_data_hmhd_t;
435 typedef struct MP4_Box_data_url_s
442 } MP4_Box_data_url_t;
444 typedef struct MP4_Box_data_urn_s
452 } MP4_Box_data_urn_t;
454 typedef struct MP4_Box_data_dref_s
459 uint32_t i_entry_count;
460 /* XXX it's also a container with i_entry_count entry */
461 } MP4_Box_data_dref_t;
463 typedef struct MP4_Box_data_stts_s
468 uint32_t i_entry_count;
469 uint32_t *pi_sample_count; /* these are array */
470 int32_t *pi_sample_delta;
472 } MP4_Box_data_stts_t;
474 typedef struct MP4_Box_data_ctts_s
479 uint32_t i_entry_count;
481 uint32_t *i_sample_count; /* these are array */
482 int32_t *i_sample_offset;
484 } MP4_Box_data_ctts_t;
487 typedef struct MP4_Box_data_sample_soun_s
489 uint8_t i_reserved1[6];
490 uint16_t i_data_reference_index;
492 //uint32_t i_reserved2[2];
493 uint16_t i_qt_version;
494 uint16_t i_qt_revision_level;
495 uint32_t i_qt_vendor;
497 uint16_t i_channelcount;
498 uint16_t i_samplesize;
499 uint16_t i_predefined;
500 uint16_t i_reserved3;
501 uint16_t i_sampleratehi; /* timescale of track */
502 uint16_t i_sampleratelo;
504 /* for version 1 (i_reserved1[0] == 1) */
505 uint32_t i_sample_per_packet;
506 uint32_t i_bytes_per_packet;
507 uint32_t i_bytes_per_frame;
508 uint32_t i_bytes_per_sample;
511 int i_qt_description;
512 uint8_t *p_qt_description;
514 } MP4_Box_data_sample_soun_t;
516 typedef struct MP4_Box_data_sample_vide_s
518 uint8_t i_reserved1[6];
519 uint16_t i_data_reference_index;
521 uint16_t i_qt_version;
522 uint16_t i_qt_revision_level;
523 uint32_t i_qt_vendor;
525 uint32_t i_qt_temporal_quality;
526 uint32_t i_qt_spatial_quality;
531 uint32_t i_horizresolution;
532 uint32_t i_vertresolution;
534 uint32_t i_qt_data_size;
535 uint16_t i_qt_frame_count;
537 uint8_t i_compressorname[32];
540 int16_t i_qt_color_table;
542 /* XXX hack ImageDescription */
543 int i_qt_image_description;
544 uint8_t *p_qt_image_description;
546 } MP4_Box_data_sample_vide_t;
548 #define MP4_TEXT_DISPLAY_FLAG_DONT_DISPLAY (1<<0)
549 #define MP4_TEXT_DISPLAY_FLAG_AUTO_SCALE (1<<1)
550 #define MP4_TEXT_DISPLAY_FLAG_CLIP_TO_TEXT_BOX (1<<2)
551 #define MP4_TEXT_DISPLAY_FLAG_USE_MOVIE_BG_COLOR (1<<3)
552 #define MP4_TEXT_DISPLAY_FLAG_SHRINK_TEXT_BOX_TO_FIT (1<<4)
553 #define MP4_TEXT_DISPLAY_FLAG_SCROLL_IN (1<<5)
554 #define MP4_TEXT_DISPLAY_FLAG_SCROLL_OUT (1<<6)
555 #define MP4_TEXT_DISPLAY_FLAG_HORIZONTAL_SCROLL (1<<7)
556 #define MP4_TEXT_DISPLAY_FLAG_REVERSE_SCROLL (1<<8)
557 #define MP4_TEXT_DISPLAY_FLAG_CONTINUOUS_SCROLL (1<<9)
558 #define MP4_TEXT_DISPLAY_FLAG_FLOW_HORIZONTAL (1<<10)
559 #define MP4_TEXT_DISPLAY_FLAG_CONTINUOUS_KARAOKE (1<<11)
560 #define MP4_TEXT_DISPLAY_FLAG_DROP_SHADOW (1<<12)
561 #define MP4_TEXT_DISPLAY_FLAG_ANTI_ALIAS (1<<13)
562 #define MP4_TEXT_DISPLAY_FLAG_KEYED_TEXT (1<<14)
563 #define MP4_TEXT_DISPLAY_FLAG_INVERSE_HILITE (1<<15)
564 #define MP4_TEXT_DISPLAY_FLAG_COLOR_HILITE (1<<16)
565 #define MP4_TEXT_DISPLAY_FLAG_WRITE_VERTICALLY (1<<17)
569 uint32_t i_reserved1;
570 uint16_t i_reserved2;
572 uint16_t i_data_reference_index;
574 uint32_t i_display_flags; // TextDescription and Tx3gDescription
576 int8_t i_justification_horizontal; // left(0), centered(1), right(-1)
577 int8_t i_justification_vertical; // top(0), centered(1), bottom(-1)
579 uint16_t i_background_color[4];
581 uint16_t i_text_box_top;
582 uint16_t i_text_box_left;
583 uint16_t i_text_box_bottom;
584 uint16_t i_text_box_right;
586 uint32_t i_reserved3;
591 uint32_t i_font_color; //RGBA
594 } MP4_Box_data_sample_text_t;
596 typedef struct MP4_Box_data_sample_hint_s
598 uint8_t i_reserved1[6];
599 uint16_t i_data_reference_index;
603 } MP4_Box_data_sample_hint_t;
605 typedef struct MP4_Box_data_moviehintinformation_rtp_s
607 uint32_t i_description_format;
608 unsigned char *psz_text;
610 } MP4_Box_data_moviehintinformation_rtp_t;
614 typedef struct MP4_Box_data_stsd_s
619 uint32_t i_entry_count;
621 /* it contains SampleEntry handled as if it was Box */
623 } MP4_Box_data_stsd_t;
626 typedef struct MP4_Box_data_stsz_s
631 uint32_t i_sample_size;
632 uint32_t i_sample_count;
634 uint32_t *i_entry_size; /* array , empty if i_sample_size != 0 */
636 } MP4_Box_data_stsz_t;
638 typedef struct MP4_Box_data_stz2_s
643 uint32_t i_sample_size; /* 24 bits */
644 uint8_t i_field_size;
645 uint32_t i_sample_count;
647 uint32_t *i_entry_size; /* array: unsigned int(i_field_size) entry_size */
649 } MP4_Box_data_stz2_t;
651 typedef struct MP4_Box_data_stsc_s
656 uint32_t i_entry_count;
658 uint32_t *i_first_chunk; /* theses are arrays */
659 uint32_t *i_samples_per_chunk;
660 uint32_t *i_sample_description_index;
662 } MP4_Box_data_stsc_t;
665 typedef struct MP4_Box_data_co64_s
670 uint32_t i_entry_count;
672 uint64_t *i_chunk_offset;
674 } MP4_Box_data_co64_t;
677 typedef struct MP4_Box_data_stss_s
682 uint32_t i_entry_count;
684 uint32_t *i_sample_number;
686 } MP4_Box_data_stss_t;
688 typedef struct MP4_Box_data_stsh_s
693 uint32_t i_entry_count;
695 uint32_t *i_shadowed_sample_number;
696 uint32_t *i_sync_sample_number;
698 } MP4_Box_data_stsh_t;
700 typedef struct MP4_Box_data_stdp_s
705 uint16_t *i_priority;
707 } MP4_Box_data_stdp_t;
709 typedef struct MP4_Box_data_padb_s
714 uint32_t i_sample_count;
716 uint16_t *i_reserved1; /* 1bit */
717 uint16_t *i_pad2; /* 3bits */
718 uint16_t *i_reserved2; /* 1bit */
719 uint16_t *i_pad1; /* 3bits */
722 } MP4_Box_data_padb_t;
725 typedef struct MP4_Box_data_elst_s
730 uint32_t i_entry_count;
732 uint64_t *i_segment_duration;
733 int64_t *i_media_time;
734 uint16_t *i_media_rate_integer;
735 uint16_t *i_media_rate_fraction;
738 } MP4_Box_data_elst_t;
740 typedef struct MP4_Box_data_cprt_s
745 unsigned char i_language[3];
748 } MP4_Box_data_cprt_t;
751 /* DecoderConfigDescriptor */
752 typedef struct MP4_descriptor_decoder_config_s
754 uint8_t i_objectTypeIndication;
755 uint8_t i_streamType;
761 int i_decoder_specific_info_len;
762 uint8_t *p_decoder_specific_info;
763 /* some other stuff */
765 } MP4_descriptor_decoder_config_t;
767 typedef struct MP4_descriptor_SL_config_s
770 int i_dummy; /* ANSI C forbids empty structures */
772 } MP4_descriptor_SL_config_t;
775 typedef struct MP4_descriptor_ES_s
778 int b_stream_dependence;
781 int i_stream_priority;
783 int i_depend_on_ES_ID; /* if b_stream_dependence set */
785 unsigned char *psz_URL;
787 uint16_t i_OCR_ES_ID; /* if b_OCRstream */
788 MP4_descriptor_decoder_config_t *p_decConfigDescr;
790 MP4_descriptor_SL_config_t *p_slConfigDescr;
792 /* some other stuff ... */
794 } MP4_descriptor_ES_t;
797 typedef struct MP4_Box_data_esds_s
802 MP4_descriptor_ES_t es_descriptor;
804 } MP4_Box_data_esds_t;
807 typedef struct MP4_Box_data_dcom_s
809 uint32_t i_algorithm; /* fourcc */
811 } MP4_Box_data_dcom_t;
813 typedef struct MP4_Box_data_cmvd_s
815 uint32_t i_uncompressed_size;
816 uint32_t i_compressed_size;
818 int b_compressed; /* Set to 1 if compressed data, 0 if uncompressed */
821 } MP4_Box_data_cmvd_t;
823 typedef struct MP4_Box_data_cmov_s
825 struct MP4_Box_s *p_moov; /* uncompressed moov */
827 } MP4_Box_data_cmov_t;
832 } MP4_Box_data_frma_t;
839 } MP4_Box_data_skcr_t;
849 } MP4_Box_data_rdrf_t;
858 } MP4_Box_data_rmdr_t;
865 uint32_t i_gestaltType;
868 uint16_t i_checkType; /* 0: val1 is version min
869 1: gestalt value & val2 == val1 */
871 } MP4_Box_data_rmvc_t;
879 } MP4_Box_data_rmcd_t;
885 } MP4_Box_data_rmqu_t;
887 typedef struct MP4_Box_data_mfhd_s
892 uint32_t i_sequence_number;
894 } MP4_Box_data_mfhd_t;
896 typedef struct MP4_Box_sidx_item_s
898 bool b_reference_type;
899 uint32_t i_referenced_size;
900 uint32_t i_subsegment_duration;
901 bool b_starts_with_SAP;
903 uint32_t i_SAP_delta_time;
905 } MP4_Box_sidx_item_t;
907 typedef struct MP4_Box_data_sidx_s
912 uint32_t i_reference_ID;
913 uint32_t i_timescale;
914 uint64_t i_earliest_presentation_time;
915 uint64_t i_first_offset;
916 uint16_t i_reference_count;
918 MP4_Box_sidx_item_t *p_items;
920 } MP4_Box_data_sidx_t;
922 #define MP4_TFHD_BASE_DATA_OFFSET (1LL<<0)
923 #define MP4_TFHD_SAMPLE_DESC_INDEX (1LL<<1)
924 #define MP4_TFHD_DFLT_SAMPLE_DURATION (1LL<<3)
925 #define MP4_TFHD_DFLT_SAMPLE_SIZE (1LL<<4)
926 #define MP4_TFHD_DFLT_SAMPLE_FLAGS (1LL<<5)
927 #define MP4_TFHD_DURATION_IS_EMPTY (1LL<<16)
928 typedef struct MP4_Box_data_tfhd_s
935 /* optional fields */
936 uint64_t i_base_data_offset;
937 uint32_t i_sample_description_index;
938 uint32_t i_default_sample_duration;
939 uint32_t i_default_sample_size;
940 uint32_t i_default_sample_flags;
942 } MP4_Box_data_tfhd_t;
944 #define MP4_TRUN_DATA_OFFSET (1<<0)
945 #define MP4_TRUN_FIRST_FLAGS (1<<2)
946 #define MP4_TRUN_SAMPLE_DURATION (1<<8)
947 #define MP4_TRUN_SAMPLE_SIZE (1<<9)
948 #define MP4_TRUN_SAMPLE_FLAGS (1<<10)
949 #define MP4_TRUN_SAMPLE_TIME_OFFSET (1<<11)
950 typedef struct MP4_descriptor_trun_sample_t
955 uint32_t i_composition_time_offset;
956 } MP4_descriptor_trun_sample_t;
958 typedef struct MP4_Box_data_trun_s
962 uint32_t i_sample_count;
964 /* optional fields */
965 int32_t i_data_offset;
966 uint32_t i_first_sample_flags;
968 MP4_descriptor_trun_sample_t *p_samples;
970 } MP4_Box_data_trun_t;
977 } MP4_Box_data_0xa9xxx_t;
983 } MP4_Box_data_name_t;
987 uint32_t i_entry_count;
988 uint32_t *i_track_ID;
990 } MP4_Box_data_tref_generic_t;
1003 } MP4_Box_data_chpl_t;
1009 uint8_t i_profile_compatibility;
1012 uint8_t i_reserved1; /* 6 bits */
1013 uint8_t i_length_size;
1015 uint8_t i_reserved2; /* 3 bits */
1017 uint16_t *i_sps_length;
1021 uint16_t *i_pps_length;
1024 /* XXX: Hack raw avcC atom payload */
1028 } MP4_Box_data_avcC_t;
1037 uint8_t i_bitrate_code;
1039 } MP4_Box_data_dac3_t;
1043 uint8_t i_profile_level;
1048 } MP4_Box_data_dvc1_t;
1052 uint16_t i_little_endian;
1054 } MP4_Box_data_enda_t;
1060 } MP4_Box_data_gnre_t;
1064 uint32_t i_track_number;
1065 uint32_t i_track_total;
1067 } MP4_Box_data_trkn_t;
1074 uint16_t i_object_descriptor;
1075 uint8_t i_OD_profile_level;
1076 uint8_t i_scene_profile_level;
1077 uint8_t i_audio_profile_level;
1078 uint8_t i_visual_profile_level;
1079 uint8_t i_graphics_profile_level;
1081 } MP4_Box_data_iods_t;
1085 uint32_t i_horizontal_spacing;
1086 uint32_t i_vertical_spacing;
1087 } MP4_Box_data_pasp_t;
1094 uint64_t i_fragment_duration;
1095 } MP4_Box_data_mehd_t;
1102 uint32_t i_track_ID;
1103 uint32_t i_default_sample_description_index;
1104 uint32_t i_default_sample_duration;
1105 uint32_t i_default_sample_size;
1106 uint32_t i_default_sample_flags;
1107 } MP4_Box_data_trex_t;
1114 uint8_t *p_sample_table;
1115 } MP4_Box_data_sdtp_t;
1123 } MP4_Box_data_mfro_t;
1130 uint32_t i_track_ID;
1131 uint32_t i_number_of_entries;
1133 uint8_t i_length_size_of_traf_num;
1134 uint8_t i_length_size_of_trun_num;
1135 uint8_t i_length_size_of_sample_num;
1138 uint32_t *p_moof_offset;
1139 uint8_t *p_traf_number;
1140 uint8_t *p_trun_number;
1141 uint8_t *p_sample_number;
1142 } MP4_Box_data_tfra_t;
1146 uint64_t i_duration;
1147 uint32_t i_timescale;
1148 uint16_t i_track_ID;
1155 uint32_t SamplingRate;
1157 uint32_t BitsPerSample;
1159 uint16_t nBlockAlign;
1161 uint8_t *CodecPrivateData;
1162 } MP4_Box_data_stra_t;
1168 } MP4_Box_data_hvcC_t;
1174 } MP4_Box_data_data_t;
1177 typedef struct MP4_Box_data__s
1186 typedef union MP4_Box_data_s
1188 MP4_Box_data_ftyp_t *p_ftyp;
1189 MP4_Box_data_mvhd_t *p_mvhd;
1190 MP4_Box_data_mfhd_t *p_mfhd;
1191 MP4_Box_data_sidx_t *p_sidx;
1192 MP4_Box_data_tfhd_t *p_tfhd;
1193 MP4_Box_data_trun_t *p_trun;
1194 MP4_Box_data_tkhd_t *p_tkhd;
1195 MP4_Box_data_mdhd_t *p_mdhd;
1196 MP4_Box_data_hdlr_t *p_hdlr;
1197 MP4_Box_data_vmhd_t *p_vmhd;
1198 MP4_Box_data_smhd_t *p_smhd;
1199 MP4_Box_data_hmhd_t *p_hmhd;
1200 MP4_Box_data_url_t *p_url;
1201 MP4_Box_data_urn_t *p_urn;
1202 MP4_Box_data_dref_t *p_dref;
1203 MP4_Box_data_stts_t *p_stts;
1204 MP4_Box_data_ctts_t *p_ctts;
1205 MP4_Box_data_stsd_t *p_stsd;
1206 MP4_Box_data_sample_vide_t *p_sample_vide;
1207 MP4_Box_data_sample_soun_t *p_sample_soun;
1208 MP4_Box_data_sample_text_t *p_sample_text;
1209 MP4_Box_data_sample_hint_t *p_sample_hint;
1211 MP4_Box_data_esds_t *p_esds;
1212 MP4_Box_data_avcC_t *p_avcC;
1213 MP4_Box_data_dac3_t *p_dac3;
1214 MP4_Box_data_dvc1_t *p_dvc1;
1215 MP4_Box_data_enda_t *p_enda;
1216 MP4_Box_data_gnre_t *p_gnre;
1217 MP4_Box_data_trkn_t *p_trkn;
1218 MP4_Box_data_iods_t *p_iods;
1219 MP4_Box_data_pasp_t *p_pasp;
1220 MP4_Box_data_trex_t *p_trex;
1221 MP4_Box_data_mehd_t *p_mehd;
1222 MP4_Box_data_sdtp_t *p_sdtp;
1224 MP4_Box_data_tfra_t *p_tfra;
1225 MP4_Box_data_mfro_t *p_mfro;
1226 MP4_Box_data_stra_t *p_stra;
1228 MP4_Box_data_stsz_t *p_stsz;
1229 MP4_Box_data_stz2_t *p_stz2;
1230 MP4_Box_data_stsc_t *p_stsc;
1231 MP4_Box_data_co64_t *p_co64;
1232 MP4_Box_data_stss_t *p_stss;
1233 MP4_Box_data_stsh_t *p_stsh;
1234 MP4_Box_data_stdp_t *p_stdp;
1235 MP4_Box_data_padb_t *p_padb;
1236 MP4_Box_data_elst_t *p_elst;
1237 MP4_Box_data_cprt_t *p_cprt;
1239 MP4_Box_data_dcom_t *p_dcom;
1240 MP4_Box_data_cmvd_t *p_cmvd;
1241 MP4_Box_data_cmov_t *p_cmov;
1243 MP4_Box_data_moviehintinformation_rtp_t p_moviehintinformation_rtp;
1245 MP4_Box_data_frma_t *p_frma;
1246 MP4_Box_data_skcr_t *p_skcr;
1248 MP4_Box_data_rdrf_t *p_rdrf;
1249 MP4_Box_data_rmdr_t *p_rmdr;
1250 MP4_Box_data_rmqu_t *p_rmqu;
1251 MP4_Box_data_rmvc_t *p_rmvc;
1253 MP4_Box_data_0xa9xxx_t *p_0xa9xxx;
1254 MP4_Box_data_chpl_t *p_chpl;
1255 MP4_Box_data_tref_generic_t *p_tref_generic;
1256 MP4_Box_data_name_t *p_name;
1258 MP4_Box_data_tfrf_t *p_tfrf;
1259 MP4_Box_data_tfxd_t *p_tfxd;
1260 MP4_Box_data_hvcC_t *p_hvcC;
1262 MP4_Box_data_data_t *p_data;
1264 void *p_payload; /* for unknow type */
1269 /* the most basic structure */
1270 typedef struct MP4_Box_s
1272 off_t i_pos; /* absolute position */
1275 uint32_t i_shortsize;
1277 UUID_t i_uuid; /* Set if i_type == "uuid" */
1279 uint64_t i_size; /* always set so use it */
1281 MP4_Box_data_t data; /* union of pointers on extended data depending
1282 on i_type (or i_usertype) */
1284 struct MP4_Box_s *p_father; /* pointer on the father Box */
1286 struct MP4_Box_s *p_first; /* pointer on the first child Box */
1287 struct MP4_Box_s *p_last;
1289 struct MP4_Box_s *p_next; /* pointer on the next boxes at the same level */
1293 /* Contain all information about a chunk */
1296 uint64_t i_offset; /* absolute position of this chunk in the file */
1297 uint32_t i_sample_description_index; /* index for SampleEntry to use */
1298 uint32_t i_sample_count; /* how many samples in this chunk */
1299 uint32_t i_sample_first; /* index of the first sample in this chunk */
1300 uint32_t i_sample; /* index of the next sample to read in this chunk */
1302 /* now provide way to calculate pts, dts, and offset without too
1303 much memory and with fast access */
1305 /* with this we can calculate dts/pts without waste memory */
1306 uint64_t i_first_dts; /* DTS of the first sample */
1307 uint64_t i_last_dts; /* DTS of the last sample */
1308 uint32_t *p_sample_count_dts;
1309 uint32_t *p_sample_delta_dts; /* dts delta */
1311 uint32_t *p_sample_count_pts;
1312 int32_t *p_sample_offset_pts; /* pts-dts */
1314 uint8_t **p_sample_data; /* set when b_fragmented is true */
1315 uint32_t *p_sample_size;
1316 /* TODO if needed add pts
1317 but quickly *add* support for edts and seeking */
1321 /* Contain all needed information for read all track with vlc */
1324 unsigned int i_track_ID;/* this should be unique */
1326 int b_ok; /* The track is usable */
1327 int b_enable; /* is the trak enable by default */
1328 bool b_selected; /* is the trak being played */
1329 bool b_chapter; /* True when used for chapter only */
1331 bool b_mac_encoding;
1336 /* display size only ! */
1341 /* more internal data */
1342 uint64_t i_timescale; /* time scale for this track only */
1343 uint16_t current_qid; /* Smooth Streaming quality level ID */
1346 int i_elst; /* current elst */
1347 int64_t i_elst_time; /* current elst start time (in movie time scale)*/
1348 MP4_Box_t *p_elst; /* elst (could be NULL) */
1350 /* give the next sample to read, i_chunk is to find quickly where
1351 the sample is located */
1352 uint32_t i_sample; /* next sample to read */
1353 uint32_t i_chunk; /* chunk where next sample is stored */
1354 /* total count of chunk and sample */
1355 uint32_t i_chunk_count;
1356 uint32_t i_sample_count;
1358 mp4_chunk_t *chunk; /* always defined for each chunk */
1359 mp4_chunk_t *cchunk; /* current chunk if b_fragmented is true */
1361 /* sample size, p_sample_size defined only if i_sample_size == 0
1362 else i_sample_size is size for all sample */
1363 uint32_t i_sample_size;
1364 uint32_t *p_sample_size; /* XXX perhaps add file offset if take
1365 too much time to do sumations each time*/
1367 uint32_t i_sample_first; /* i_sample_first value
1368 of the next chunk */
1369 uint64_t i_first_dts; /* i_first_dts value
1370 of the next chunk */
1372 MP4_Box_t *p_stbl; /* will contain all timing information */
1373 MP4_Box_t *p_stsd; /* will contain all data to initialize decoder */
1374 MP4_Box_t *p_sample;/* point on actual sdsd */
1377 bool b_has_non_empty_cchunk;
1378 bool b_codec_need_restart;
1384 static inline size_t mp4_box_headersize( MP4_Box_t *p_box )
1387 + ( p_box->i_shortsize == 1 ? 8 : 0 )
1388 + ( p_box->i_type == ATOM_uuid ? 16 : 0 );
1391 #define MP4_GETX_PRIVATE(dst, code, size) do { \
1392 if( (i_read) >= (size) ) { dst = (code); p_peek += (size); } \
1397 #define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
1398 #define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
1399 #define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
1400 #define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
1401 #define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
1402 #define MP4_GETFOURCC( dst ) MP4_GETX_PRIVATE( dst, \
1403 VLC_FOURCC(p_peek[0],p_peek[1],p_peek[2],p_peek[3]), 4)
1405 #define MP4_GETVERSIONFLAGS( p_void ) \
1406 MP4_GET1BYTE( p_void->i_version ); \
1407 MP4_GET3BYTES( p_void->i_flags )
1409 #define MP4_GETSTRINGZ( p_str ) \
1410 if( (i_read > 0) && (p_peek[0]) ) \
1412 const int __i_copy__ = strnlen( (char*)p_peek, i_read-1 ); \
1413 p_str = malloc( __i_copy__+1 ); \
1416 memcpy( p_str, p_peek, __i_copy__ ); \
1417 p_str[__i_copy__] = 0; \
1419 p_peek += __i_copy__ + 1; \
1420 i_read -= __i_copy__ + 1; \
1427 #define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
1428 int64_t i_read = p_box->i_size; \
1429 uint8_t *p_peek, *p_buff; \
1430 int i_actually_read; \
1431 if( !( p_peek = p_buff = malloc( i_read ) ) ) \
1435 i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
1436 if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
1438 msg_Warn( p_stream, "MP4_READBOX_ENTER: I got %i bytes, "\
1439 "but I requested %"PRId64"", i_actually_read, i_read );\
1443 p_peek += mp4_box_headersize( p_box ); \
1444 i_read -= mp4_box_headersize( p_box ); \
1445 if( !( p_box->data.p_payload = calloc( 1, sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
1451 #define MP4_READBOX_EXIT( i_code ) \
1456 msg_Warn( p_stream, "Not enough data" ); \
1461 /* This macro is used when we want to printf the box type
1462 * APPLE annotation box is :
1463 * either 0xA9 + 24-bit ASCII text string (and 0xA9 isn't printable)
1464 * either 32-bit ASCII text string
1466 #define MP4_BOX_TYPE_ASCII() ( ((char*)&p_box->i_type)[0] != (char)0xA9 )
1468 static inline uint32_t Get24bBE( const uint8_t *p )
1470 return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
1473 static inline void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
1475 memcpy( p_uuid, p_buff, 16 );
1478 static inline int CmpUUID( const UUID_t *u1, const UUID_t *u2 )
1480 return memcmp( u1, u2, 16 );
1483 static inline void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
1485 /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
1486 where XXXXXXXX is the fourcc */
1487 /* FIXME implement this */
1492 static const UUID_t TfrfBoxUUID = {
1493 { 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
1494 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f } };
1496 static const UUID_t TfxdBoxUUID = {
1497 { 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
1498 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2 } };
1500 static const UUID_t SmooBoxUUID = {
1501 { 0xe1, 0xda, 0x72, 0xba, 0x24, 0xd7, 0x43, 0xc3,
1502 0xa6, 0xa5, 0x1b, 0x57, 0x59, 0xa1, 0xa9, 0x2c } };
1504 static const UUID_t StraBoxUUID = {
1505 { 0xb0, 0x3e, 0xf7, 0x70, 0x33, 0xbd, 0x4b, 0xac,
1506 0x96, 0xc7, 0xbf, 0x25, 0xf9, 0x7e, 0x24, 0x47 } };
1508 MP4_Box_t *MP4_BoxGetSmooBox( stream_t * );
1510 /*****************************************************************************
1511 * MP4_BoxGetNextChunk : Parse the entire moof box.
1512 *****************************************************************************
1513 * The first box is a virtual box "root" and is the father of the boxes
1514 * 'moof' and, possibly, 'sidx'.
1515 *****************************************************************************/
1516 MP4_Box_t *MP4_BoxGetNextChunk( stream_t * );
1518 /*****************************************************************************
1519 * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
1520 *****************************************************************************
1521 * The first box is a virtual box "root" and is the father for all first
1523 *****************************************************************************/
1524 MP4_Box_t *MP4_BoxGetRoot( stream_t * );
1526 /*****************************************************************************
1527 * MP4_FreeBox : free memory allocated after read with MP4_ReadBox
1528 * or MP4_BoxGetRoot, this means also children boxes
1529 * XXX : all children have to be allocated by a malloc !! and
1531 *****************************************************************************/
1532 void MP4_BoxFree( stream_t *, MP4_Box_t *p_box );
1534 /*****************************************************************************
1535 * MP4_DumpBoxStructure: print the structure of the p_box
1536 *****************************************************************************
1537 * Useful while debugging
1538 *****************************************************************************/
1539 void MP4_BoxDumpStructure( stream_t *p_input, MP4_Box_t *p_box );
1541 /*****************************************************************************
1542 * MP4_BoxGet: find a box given a path relative to p_box
1543 *****************************************************************************
1544 * Path Format: . .. / as usual
1545 * [number] to specifie box number ex: trak[12]
1547 * ex: /moov/trak[12]
1549 *****************************************************************************/
1550 MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, const char *psz_fmt, ... );
1552 /*****************************************************************************
1553 * MP4_BoxCount: find number of box given a path relative to p_box
1554 *****************************************************************************
1555 * Path Format: . .. / as usual
1556 * [number] to specifie box number ex: trak[12]
1560 *****************************************************************************/
1561 int MP4_BoxCount( MP4_Box_t *p_box, const char *psz_fmt, ... );
1563 /* Internal functions exposed for MKV demux */
1564 int MP4_ReadBoxCommon( stream_t *p_stream, MP4_Box_t *p_box );
1565 int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box );
1566 void MP4_FreeBox_sample_vide( MP4_Box_t *p_box );