ffmpeg / libavformat / flv.h @ 5b21bdab
History | View | Annotate | Download (3.18 KB)
| 1 |
/**
|
|---|---|
| 2 |
* @file flv.h
|
| 3 |
* FLV common header
|
| 4 |
*
|
| 5 |
* Copyright (c) 2006 The FFmpeg Project.
|
| 6 |
*
|
| 7 |
* This file is part of FFmpeg.
|
| 8 |
*
|
| 9 |
* FFmpeg is free software; you can redistribute it and/or
|
| 10 |
* modify it under the terms of the GNU Lesser General Public
|
| 11 |
* License as published by the Free Software Foundation; either
|
| 12 |
* version 2.1 of the License, or (at your option) any later version.
|
| 13 |
*
|
| 14 |
* FFmpeg is distributed in the hope that it will be useful,
|
| 15 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 16 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| 17 |
* Lesser General Public License for more details.
|
| 18 |
*
|
| 19 |
* You should have received a copy of the GNU Lesser General Public
|
| 20 |
* License along with FFmpeg; if not, write to the Free Software
|
| 21 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
| 22 |
*/
|
| 23 |
|
| 24 |
#ifndef FFMPEG_FLV_H
|
| 25 |
#define FFMPEG_FLV_H
|
| 26 |
|
| 27 |
/* offsets for packed values */
|
| 28 |
#define FLV_AUDIO_SAMPLESSIZE_OFFSET 1 |
| 29 |
#define FLV_AUDIO_SAMPLERATE_OFFSET 2 |
| 30 |
#define FLV_AUDIO_CODECID_OFFSET 4 |
| 31 |
|
| 32 |
#define FLV_VIDEO_FRAMETYPE_OFFSET 4 |
| 33 |
|
| 34 |
/* bitmasks to isolate specific values */
|
| 35 |
#define FLV_AUDIO_CHANNEL_MASK 0x01 |
| 36 |
#define FLV_AUDIO_SAMPLESIZE_MASK 0x02 |
| 37 |
#define FLV_AUDIO_SAMPLERATE_MASK 0x0c |
| 38 |
#define FLV_AUDIO_CODECID_MASK 0xf0 |
| 39 |
|
| 40 |
#define FLV_VIDEO_CODECID_MASK 0x0f |
| 41 |
#define FLV_VIDEO_FRAMETYPE_MASK 0xf0 |
| 42 |
|
| 43 |
#define AMF_END_OF_OBJECT 0x09 |
| 44 |
|
| 45 |
enum {
|
| 46 |
FLV_HEADER_FLAG_HASVIDEO = 1,
|
| 47 |
FLV_HEADER_FLAG_HASAUDIO = 4,
|
| 48 |
}; |
| 49 |
|
| 50 |
enum {
|
| 51 |
FLV_TAG_TYPE_AUDIO = 0x08,
|
| 52 |
FLV_TAG_TYPE_VIDEO = 0x09,
|
| 53 |
FLV_TAG_TYPE_META = 0x12,
|
| 54 |
}; |
| 55 |
|
| 56 |
enum {
|
| 57 |
FLV_MONO = 0,
|
| 58 |
FLV_STEREO = 1,
|
| 59 |
}; |
| 60 |
|
| 61 |
enum {
|
| 62 |
FLV_SAMPLESSIZE_8BIT = 0,
|
| 63 |
FLV_SAMPLESSIZE_16BIT = 1 << FLV_AUDIO_SAMPLESSIZE_OFFSET,
|
| 64 |
}; |
| 65 |
|
| 66 |
enum {
|
| 67 |
FLV_SAMPLERATE_SPECIAL = 0, /**< signifies 5512Hz and 8000Hz in the case of NELLYMOSER */ |
| 68 |
FLV_SAMPLERATE_11025HZ = 1 << FLV_AUDIO_SAMPLERATE_OFFSET,
|
| 69 |
FLV_SAMPLERATE_22050HZ = 2 << FLV_AUDIO_SAMPLERATE_OFFSET,
|
| 70 |
FLV_SAMPLERATE_44100HZ = 3 << FLV_AUDIO_SAMPLERATE_OFFSET,
|
| 71 |
}; |
| 72 |
|
| 73 |
enum {
|
| 74 |
FLV_CODECID_PCM_BE = 0,
|
| 75 |
FLV_CODECID_ADPCM = 1 << FLV_AUDIO_CODECID_OFFSET,
|
| 76 |
FLV_CODECID_MP3 = 2 << FLV_AUDIO_CODECID_OFFSET,
|
| 77 |
FLV_CODECID_PCM_LE = 3 << FLV_AUDIO_CODECID_OFFSET,
|
| 78 |
FLV_CODECID_NELLYMOSER_8HZ_MONO = 5 << FLV_AUDIO_CODECID_OFFSET,
|
| 79 |
FLV_CODECID_NELLYMOSER = 6 << FLV_AUDIO_CODECID_OFFSET,
|
| 80 |
}; |
| 81 |
|
| 82 |
enum {
|
| 83 |
FLV_CODECID_H263 = 2,
|
| 84 |
FLV_CODECID_SCREEN = 3,
|
| 85 |
FLV_CODECID_VP6 = 4,
|
| 86 |
FLV_CODECID_VP6A = 5,
|
| 87 |
FLV_CODECID_SCREEN2 = 6,
|
| 88 |
}; |
| 89 |
|
| 90 |
enum {
|
| 91 |
FLV_FRAME_KEY = 1 << FLV_VIDEO_FRAMETYPE_OFFSET,
|
| 92 |
FLV_FRAME_INTER = 2 << FLV_VIDEO_FRAMETYPE_OFFSET,
|
| 93 |
FLV_FRAME_DISP_INTER = 3 << FLV_VIDEO_FRAMETYPE_OFFSET,
|
| 94 |
}; |
| 95 |
|
| 96 |
typedef enum { |
| 97 |
AMF_DATA_TYPE_NUMBER = 0x00,
|
| 98 |
AMF_DATA_TYPE_BOOL = 0x01,
|
| 99 |
AMF_DATA_TYPE_STRING = 0x02,
|
| 100 |
AMF_DATA_TYPE_OBJECT = 0x03,
|
| 101 |
AMF_DATA_TYPE_NULL = 0x05,
|
| 102 |
AMF_DATA_TYPE_UNDEFINED = 0x06,
|
| 103 |
AMF_DATA_TYPE_REFERENCE = 0x07,
|
| 104 |
AMF_DATA_TYPE_MIXEDARRAY = 0x08,
|
| 105 |
AMF_DATA_TYPE_ARRAY = 0x0a,
|
| 106 |
AMF_DATA_TYPE_DATE = 0x0b,
|
| 107 |
AMF_DATA_TYPE_UNSUPPORTED = 0x0d,
|
| 108 |
} AMFDataType; |
| 109 |
|
| 110 |
#endif /* FFMPEG_FLV_H */ |