1 /*
2  * Matroska constants
3  * Copyright (c) 2003-2004 The ffmpeg Project
4  *
5  * This file is part of FFmpeg.
6  *
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.
11  *
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.
16  *
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
20  */
21 
22 #ifndef FFMPEG_MATROSKA_H
23 #define FFMPEG_MATROSKA_H
24 
25 #include "avcodec.h"
26 
27 /* EBML version supported */
28 #define EBML_VERSION 1
29 
30 /* top-level master-IDs */
31 #define EBML_ID_HEADER             0x1A45DFA3
32 
33 /* IDs in the HEADER master */
34 #define EBML_ID_EBMLVERSION        0x4286
35 #define EBML_ID_EBMLREADVERSION    0x42F7
36 #define EBML_ID_EBMLMAXIDLENGTH    0x42F2
37 #define EBML_ID_EBMLMAXSIZELENGTH  0x42F3
38 #define EBML_ID_DOCTYPE            0x4282
39 #define EBML_ID_DOCTYPEVERSION     0x4287
40 #define EBML_ID_DOCTYPEREADVERSION 0x4285
41 
42 /* general EBML types */
43 #define EBML_ID_VOID               0xEC
44 
45 /*
46  * Matroska element IDs. max. 32-bit.
47  */
48 
49 /* toplevel segment */
50 #define MATROSKA_ID_SEGMENT    0x18538067
51 
52 /* matroska top-level master IDs */
53 #define MATROSKA_ID_INFO       0x1549A966
54 #define MATROSKA_ID_TRACKS     0x1654AE6B
55 #define MATROSKA_ID_CUES       0x1C53BB6B
56 #define MATROSKA_ID_TAGS       0x1254C367
57 #define MATROSKA_ID_SEEKHEAD   0x114D9B74
58 #define MATROSKA_ID_ATTACHMENTS 0x1941A469
59 #define MATROSKA_ID_CLUSTER    0x1F43B675
60 
61 /* IDs in the info master */
62 #define MATROSKA_ID_TIMECODESCALE 0x2AD7B1
63 #define MATROSKA_ID_DURATION   0x4489
64 #define MATROSKA_ID_TITLE      0x7BA9
65 #define MATROSKA_ID_WRITINGAPP 0x5741
66 #define MATROSKA_ID_MUXINGAPP  0x4D80
67 #define MATROSKA_ID_DATEUTC    0x4461
68 #define MATROSKA_ID_SEGMENTUID 0x73A4
69 
70 /* ID in the tracks master */
71 #define MATROSKA_ID_TRACKENTRY 0xAE
72 
73 /* IDs in the trackentry master */
74 #define MATROSKA_ID_TRACKNUMBER 0xD7
75 #define MATROSKA_ID_TRACKUID   0x73C5
76 #define MATROSKA_ID_TRACKTYPE  0x83
77 #define MATROSKA_ID_TRACKAUDIO 0xE1
78 #define MATROSKA_ID_TRACKVIDEO 0xE0
79 #define MATROSKA_ID_CODECID    0x86
80 #define MATROSKA_ID_CODECPRIVATE 0x63A2
81 #define MATROSKA_ID_CODECNAME  0x258688
82 #define MATROSKA_ID_CODECINFOURL 0x3B4040
83 #define MATROSKA_ID_CODECDOWNLOADURL 0x26B240
84 #define MATROSKA_ID_TRACKNAME  0x536E
85 #define MATROSKA_ID_TRACKLANGUAGE 0x22B59C
86 #define MATROSKA_ID_TRACKFLAGENABLED 0xB9
87 #define MATROSKA_ID_TRACKFLAGDEFAULT 0x88
88 #define MATROSKA_ID_TRACKFLAGLACING 0x9C
89 #define MATROSKA_ID_TRACKMINCACHE 0x6DE7
90 #define MATROSKA_ID_TRACKMAXCACHE 0x6DF8
91 #define MATROSKA_ID_TRACKDEFAULTDURATION 0x23E383
92 
93 /* IDs in the trackvideo master */
94 #define MATROSKA_ID_VIDEOFRAMERATE 0x2383E3
95 #define MATROSKA_ID_VIDEODISPLAYWIDTH 0x54B0
96 #define MATROSKA_ID_VIDEODISPLAYHEIGHT 0x54BA
97 #define MATROSKA_ID_VIDEOPIXELWIDTH 0xB0
98 #define MATROSKA_ID_VIDEOPIXELHEIGHT 0xBA
99 #define MATROSKA_ID_VIDEOFLAGINTERLACED 0x9A
100 #define MATROSKA_ID_VIDEOSTEREOMODE 0x53B9
101 #define MATROSKA_ID_VIDEOASPECTRATIO 0x54B3
102 #define MATROSKA_ID_VIDEOCOLORSPACE 0x2EB524
103 
104 /* IDs in the trackaudio master */
105 #define MATROSKA_ID_AUDIOSAMPLINGFREQ 0xB5
106 #define MATROSKA_ID_AUDIOOUTSAMPLINGFREQ 0x78B5
107 
108 #define MATROSKA_ID_AUDIOBITDEPTH 0x6264
109 #define MATROSKA_ID_AUDIOCHANNELS 0x9F
110 
111 /* ID in the cues master */
112 #define MATROSKA_ID_POINTENTRY 0xBB
113 
114 /* IDs in the pointentry master */
115 #define MATROSKA_ID_CUETIME    0xB3
116 #define MATROSKA_ID_CUETRACKPOSITION 0xB7
117 
118 /* IDs in the cuetrackposition master */
119 #define MATROSKA_ID_CUETRACK   0xF7
120 #define MATROSKA_ID_CUECLUSTERPOSITION 0xF1
121 
122 /* IDs in the tags master */
123 /* TODO */
124 
125 /* IDs in the seekhead master */
126 #define MATROSKA_ID_SEEKENTRY  0x4DBB
127 
128 /* IDs in the seekpoint master */
129 #define MATROSKA_ID_SEEKID     0x53AB
130 #define MATROSKA_ID_SEEKPOSITION 0x53AC
131 
132 /* IDs in the cluster master */
133 #define MATROSKA_ID_CLUSTERTIMECODE 0xE7
134 #define MATROSKA_ID_BLOCKGROUP 0xA0
135 #define MATROSKA_ID_SIMPLEBLOCK 0xA3
136 
137 /* IDs in the blockgroup master */
138 #define MATROSKA_ID_BLOCK      0xA1
139 #define MATROSKA_ID_BLOCKDURATION 0x9B
140 #define MATROSKA_ID_BLOCKREFERENCE 0xFB
141 
142 /* IDs in the attachments master */
143 #define MATROSKA_ID_ATTACHEDFILE        0x61A7
144 #define MATROSKA_ID_FILENAME            0x466E
145 #define MATROSKA_ID_FILEMIMETYPE        0x4660
146 #define MATROSKA_ID_FILEDATA            0x465C
147 #define MATROSKA_ID_FILEUID             0x46AE
148 
149 typedef enum {
150   MATROSKA_TRACK_TYPE_VIDEO    = 0x1,
151   MATROSKA_TRACK_TYPE_AUDIO    = 0x2,
152   MATROSKA_TRACK_TYPE_COMPLEX  = 0x3,
153   MATROSKA_TRACK_TYPE_LOGO     = 0x10,
154   MATROSKA_TRACK_TYPE_SUBTITLE = 0x11,
155   MATROSKA_TRACK_TYPE_CONTROL  = 0x20,
156 } MatroskaTrackType;
157 
158 typedef enum {
159   MATROSKA_EYE_MODE_MONO  = 0x0,
160   MATROSKA_EYE_MODE_RIGHT = 0x1,
161   MATROSKA_EYE_MODE_LEFT  = 0x2,
162   MATROSKA_EYE_MODE_BOTH  = 0x3,
163 } MatroskaEyeMode;
164 
165 typedef enum {
166   MATROSKA_ASPECT_RATIO_MODE_FREE  = 0x0,
167   MATROSKA_ASPECT_RATIO_MODE_KEEP  = 0x1,
168   MATROSKA_ASPECT_RATIO_MODE_FIXED = 0x2,
169 } MatroskaAspectRatioMode;
170 
171 /*
172  * These aren't in any way "matroska-form" things,
173  * it's just something I use in the muxer/demuxer.
174  */
175 
176 typedef enum {
177   MATROSKA_TRACK_ENABLED = (1<<0),
178   MATROSKA_TRACK_DEFAULT = (1<<1),
179   MATROSKA_TRACK_LACING  = (1<<2),
180   MATROSKA_TRACK_SHIFT   = (1<<16)
181 } MatroskaTrackFlags;
182 
183 typedef enum {
184   MATROSKA_VIDEOTRACK_INTERLACED = (MATROSKA_TRACK_SHIFT<<0)
185 } MatroskaVideoTrackFlags;
186 
187 /*
188  * Matroska Codec IDs. Strings.
189  */
190 
191 typedef struct CodecTags{
192     char str[16];
193     enum CodecID id;
194 }CodecTags;
195 
196 typedef struct CodecMime{
197     char str[32];
198     enum CodecID id;
199 }CodecMime;
200 
201 #define MATROSKA_CODEC_ID_VIDEO_VFW_FOURCC   "V_MS/VFW/FOURCC"
202 #define MATROSKA_CODEC_ID_AUDIO_ACM          "A_MS/ACM"
203 
204 /* max. depth in the EBML tree structure */
205 #define EBML_MAX_DEPTH 16
206 
207 extern const CodecTags ff_mkv_codec_tags[];
208 extern const CodecMime ff_mkv_mime_tags[];
209 
210 #endif /* FFMPEG_MATROSKA_H */
211