Check if there is enough bytes before reading the buffer in the EA ADPCM
[ffmpeg-lucabe.git] / libavformat / matroska.h
blob40ab3a74247ac3116c8dfe690281ce5163fc4a1c
1 /*
2 * Matroska constants
3 * Copyright (c) 2003-2004 The ffmpeg Project
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #ifndef AVFORMAT_MATROSKA_H
23 #define AVFORMAT_MATROSKA_H
25 #include "libavcodec/avcodec.h"
26 #include "metadata.h"
28 /* EBML version supported */
29 #define EBML_VERSION 1
31 /* top-level master-IDs */
32 #define EBML_ID_HEADER 0x1A45DFA3
34 /* IDs in the HEADER master */
35 #define EBML_ID_EBMLVERSION 0x4286
36 #define EBML_ID_EBMLREADVERSION 0x42F7
37 #define EBML_ID_EBMLMAXIDLENGTH 0x42F2
38 #define EBML_ID_EBMLMAXSIZELENGTH 0x42F3
39 #define EBML_ID_DOCTYPE 0x4282
40 #define EBML_ID_DOCTYPEVERSION 0x4287
41 #define EBML_ID_DOCTYPEREADVERSION 0x4285
43 /* general EBML types */
44 #define EBML_ID_VOID 0xEC
45 #define EBML_ID_CRC32 0xBF
48 * Matroska element IDs, max. 32 bits
51 /* toplevel segment */
52 #define MATROSKA_ID_SEGMENT 0x18538067
54 /* Matroska top-level master IDs */
55 #define MATROSKA_ID_INFO 0x1549A966
56 #define MATROSKA_ID_TRACKS 0x1654AE6B
57 #define MATROSKA_ID_CUES 0x1C53BB6B
58 #define MATROSKA_ID_TAGS 0x1254C367
59 #define MATROSKA_ID_SEEKHEAD 0x114D9B74
60 #define MATROSKA_ID_ATTACHMENTS 0x1941A469
61 #define MATROSKA_ID_CLUSTER 0x1F43B675
62 #define MATROSKA_ID_CHAPTERS 0x1043A770
64 /* IDs in the info master */
65 #define MATROSKA_ID_TIMECODESCALE 0x2AD7B1
66 #define MATROSKA_ID_DURATION 0x4489
67 #define MATROSKA_ID_TITLE 0x7BA9
68 #define MATROSKA_ID_WRITINGAPP 0x5741
69 #define MATROSKA_ID_MUXINGAPP 0x4D80
70 #define MATROSKA_ID_DATEUTC 0x4461
71 #define MATROSKA_ID_SEGMENTUID 0x73A4
73 /* ID in the tracks master */
74 #define MATROSKA_ID_TRACKENTRY 0xAE
76 /* IDs in the trackentry master */
77 #define MATROSKA_ID_TRACKNUMBER 0xD7
78 #define MATROSKA_ID_TRACKUID 0x73C5
79 #define MATROSKA_ID_TRACKTYPE 0x83
80 #define MATROSKA_ID_TRACKAUDIO 0xE1
81 #define MATROSKA_ID_TRACKVIDEO 0xE0
82 #define MATROSKA_ID_CODECID 0x86
83 #define MATROSKA_ID_CODECPRIVATE 0x63A2
84 #define MATROSKA_ID_CODECNAME 0x258688
85 #define MATROSKA_ID_CODECINFOURL 0x3B4040
86 #define MATROSKA_ID_CODECDOWNLOADURL 0x26B240
87 #define MATROSKA_ID_CODECDECODEALL 0xAA
88 #define MATROSKA_ID_TRACKNAME 0x536E
89 #define MATROSKA_ID_TRACKLANGUAGE 0x22B59C
90 #define MATROSKA_ID_TRACKFLAGENABLED 0xB9
91 #define MATROSKA_ID_TRACKFLAGDEFAULT 0x88
92 #define MATROSKA_ID_TRACKFLAGFORCED 0x55AA
93 #define MATROSKA_ID_TRACKFLAGLACING 0x9C
94 #define MATROSKA_ID_TRACKMINCACHE 0x6DE7
95 #define MATROSKA_ID_TRACKMAXCACHE 0x6DF8
96 #define MATROSKA_ID_TRACKDEFAULTDURATION 0x23E383
97 #define MATROSKA_ID_TRACKCONTENTENCODINGS 0x6D80
98 #define MATROSKA_ID_TRACKCONTENTENCODING 0x6240
99 #define MATROSKA_ID_TRACKTIMECODESCALE 0x23314F
100 #define MATROSKA_ID_TRACKMAXBLKADDID 0x55EE
102 /* IDs in the trackvideo master */
103 #define MATROSKA_ID_VIDEOFRAMERATE 0x2383E3
104 #define MATROSKA_ID_VIDEODISPLAYWIDTH 0x54B0
105 #define MATROSKA_ID_VIDEODISPLAYHEIGHT 0x54BA
106 #define MATROSKA_ID_VIDEOPIXELWIDTH 0xB0
107 #define MATROSKA_ID_VIDEOPIXELHEIGHT 0xBA
108 #define MATROSKA_ID_VIDEOPIXELCROPB 0x54AA
109 #define MATROSKA_ID_VIDEOPIXELCROPT 0x54BB
110 #define MATROSKA_ID_VIDEOPIXELCROPL 0x54CC
111 #define MATROSKA_ID_VIDEOPIXELCROPR 0x54DD
112 #define MATROSKA_ID_VIDEODISPLAYUNIT 0x54B2
113 #define MATROSKA_ID_VIDEOFLAGINTERLACED 0x9A
114 #define MATROSKA_ID_VIDEOSTEREOMODE 0x53B9
115 #define MATROSKA_ID_VIDEOASPECTRATIO 0x54B3
116 #define MATROSKA_ID_VIDEOCOLORSPACE 0x2EB524
118 /* IDs in the trackaudio master */
119 #define MATROSKA_ID_AUDIOSAMPLINGFREQ 0xB5
120 #define MATROSKA_ID_AUDIOOUTSAMPLINGFREQ 0x78B5
122 #define MATROSKA_ID_AUDIOBITDEPTH 0x6264
123 #define MATROSKA_ID_AUDIOCHANNELS 0x9F
125 /* IDs in the content encoding master */
126 #define MATROSKA_ID_ENCODINGORDER 0x5031
127 #define MATROSKA_ID_ENCODINGSCOPE 0x5032
128 #define MATROSKA_ID_ENCODINGTYPE 0x5033
129 #define MATROSKA_ID_ENCODINGCOMPRESSION 0x5034
130 #define MATROSKA_ID_ENCODINGCOMPALGO 0x4254
131 #define MATROSKA_ID_ENCODINGCOMPSETTINGS 0x4255
133 /* ID in the cues master */
134 #define MATROSKA_ID_POINTENTRY 0xBB
136 /* IDs in the pointentry master */
137 #define MATROSKA_ID_CUETIME 0xB3
138 #define MATROSKA_ID_CUETRACKPOSITION 0xB7
140 /* IDs in the cuetrackposition master */
141 #define MATROSKA_ID_CUETRACK 0xF7
142 #define MATROSKA_ID_CUECLUSTERPOSITION 0xF1
143 #define MATROSKA_ID_CUEBLOCKNUMBER 0x5378
145 /* IDs in the tags master */
146 #define MATROSKA_ID_TAG 0x7373
147 #define MATROSKA_ID_SIMPLETAG 0x67C8
148 #define MATROSKA_ID_TAGNAME 0x45A3
149 #define MATROSKA_ID_TAGSTRING 0x4487
150 #define MATROSKA_ID_TAGLANG 0x447A
151 #define MATROSKA_ID_TAGDEFAULT 0x44B4
152 #define MATROSKA_ID_TAGTARGETS 0x63C0
153 #define MATROSKA_ID_TAGTARGETS_TYPE 0x63CA
154 #define MATROSKA_ID_TAGTARGETS_TYPEVALUE 0x68CA
155 #define MATROSKA_ID_TAGTARGETS_TRACKUID 0x63C5
156 #define MATROSKA_ID_TAGTARGETS_CHAPTERUID 0x63C4
157 #define MATROSKA_ID_TAGTARGETS_ATTACHUID 0x63C6
159 /* IDs in the seekhead master */
160 #define MATROSKA_ID_SEEKENTRY 0x4DBB
162 /* IDs in the seekpoint master */
163 #define MATROSKA_ID_SEEKID 0x53AB
164 #define MATROSKA_ID_SEEKPOSITION 0x53AC
166 /* IDs in the cluster master */
167 #define MATROSKA_ID_CLUSTERTIMECODE 0xE7
168 #define MATROSKA_ID_CLUSTERPOSITION 0xA7
169 #define MATROSKA_ID_CLUSTERPREVSIZE 0xAB
170 #define MATROSKA_ID_BLOCKGROUP 0xA0
171 #define MATROSKA_ID_SIMPLEBLOCK 0xA3
173 /* IDs in the blockgroup master */
174 #define MATROSKA_ID_BLOCK 0xA1
175 #define MATROSKA_ID_BLOCKDURATION 0x9B
176 #define MATROSKA_ID_BLOCKREFERENCE 0xFB
178 /* IDs in the attachments master */
179 #define MATROSKA_ID_ATTACHEDFILE 0x61A7
180 #define MATROSKA_ID_FILEDESC 0x467E
181 #define MATROSKA_ID_FILENAME 0x466E
182 #define MATROSKA_ID_FILEMIMETYPE 0x4660
183 #define MATROSKA_ID_FILEDATA 0x465C
184 #define MATROSKA_ID_FILEUID 0x46AE
186 /* IDs in the chapters master */
187 #define MATROSKA_ID_EDITIONENTRY 0x45B9
188 #define MATROSKA_ID_CHAPTERATOM 0xB6
189 #define MATROSKA_ID_CHAPTERTIMESTART 0x91
190 #define MATROSKA_ID_CHAPTERTIMEEND 0x92
191 #define MATROSKA_ID_CHAPTERDISPLAY 0x80
192 #define MATROSKA_ID_CHAPSTRING 0x85
193 #define MATROSKA_ID_CHAPLANG 0x437C
194 #define MATROSKA_ID_EDITIONUID 0x45BC
195 #define MATROSKA_ID_EDITIONFLAGHIDDEN 0x45BD
196 #define MATROSKA_ID_EDITIONFLAGDEFAULT 0x45DB
197 #define MATROSKA_ID_EDITIONFLAGORDERED 0x45DD
198 #define MATROSKA_ID_CHAPTERUID 0x73C4
199 #define MATROSKA_ID_CHAPTERFLAGHIDDEN 0x98
200 #define MATROSKA_ID_CHAPTERFLAGENABLED 0x4598
201 #define MATROSKA_ID_CHAPTERPHYSEQUIV 0x63C3
203 typedef enum {
204 MATROSKA_TRACK_TYPE_NONE = 0x0,
205 MATROSKA_TRACK_TYPE_VIDEO = 0x1,
206 MATROSKA_TRACK_TYPE_AUDIO = 0x2,
207 MATROSKA_TRACK_TYPE_COMPLEX = 0x3,
208 MATROSKA_TRACK_TYPE_LOGO = 0x10,
209 MATROSKA_TRACK_TYPE_SUBTITLE = 0x11,
210 MATROSKA_TRACK_TYPE_CONTROL = 0x20,
211 } MatroskaTrackType;
213 typedef enum {
214 MATROSKA_TRACK_ENCODING_COMP_ZLIB = 0,
215 MATROSKA_TRACK_ENCODING_COMP_BZLIB = 1,
216 MATROSKA_TRACK_ENCODING_COMP_LZO = 2,
217 MATROSKA_TRACK_ENCODING_COMP_HEADERSTRIP = 3,
218 } MatroskaTrackEncodingCompAlgo;
221 * Matroska Codec IDs, strings
224 typedef struct CodecTags{
225 char str[20];
226 enum CodecID id;
227 }CodecTags;
229 typedef struct CodecMime{
230 char str[32];
231 enum CodecID id;
232 }CodecMime;
234 /* max. depth in the EBML tree structure */
235 #define EBML_MAX_DEPTH 16
237 extern const CodecTags ff_mkv_codec_tags[];
238 extern const CodecMime ff_mkv_mime_tags[];
239 extern const AVMetadataConv ff_mkv_metadata_conv[];
241 #endif /* AVFORMAT_MATROSKA_H */