mirror of https://github.com/FFmpeg/FFmpeg.git
in a common flv.h. patch by Allan Hsu allan _at_ counterpop.net Originally committed as revision 7231 to svn://svn.ffmpeg.org/ffmpeg/trunkpull/126/head
Allan Hsu
18 years ago
committed by
Aurelien Jacobs
parent
e48dc873a4
commit
6cac3a3b08
3 changed files with 157 additions and 54 deletions
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/**
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* @file flv.h |
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* FLV common header |
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* |
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* Copyright (c) 2006 The FFmpeg Project. |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef FLV_H |
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#define FLV_H |
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/* offsets for packed values */ |
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#define FLV_AUDIO_SAMPLESSIZE_OFFSET 1 |
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#define FLV_AUDIO_SAMPLERATE_OFFSET 2 |
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#define FLV_AUDIO_CODECID_OFFSET 4 |
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#define FLV_VIDEO_FRAMETYPE_OFFSET 4 |
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/* bitmasks to isolate specific values */ |
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#define FLV_AUDIO_CHANNEL_MASK 0x01 |
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#define FLV_AUDIO_SAMPLESIZE_MASK 0x02 |
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#define FLV_AUDIO_SAMPLERATE_MASK 0x0c |
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#define FLV_AUDIO_CODECID_MASK 0xf0 |
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#define FLV_VIDEO_CODECID_MASK 0x0f |
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#define FLV_VIDEO_FRAMETYPE_MASK 0xf0 |
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#define AMF_END_OF_OBJECT 0x09 |
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enum { |
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FLV_HEADER_FLAG_HASVIDEO = 1, |
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FLV_HEADER_FLAG_HASAUDIO = 4, |
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}; |
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enum { |
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FLV_TAG_TYPE_AUDIO = 0x08, |
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FLV_TAG_TYPE_VIDEO = 0x09, |
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FLV_TAG_TYPE_META = 0x12, |
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}; |
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enum { |
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FLV_MONO = 0, |
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FLV_STEREO = 1, |
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}; |
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enum { |
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FLV_SAMPLESSIZE_8BIT = 0, |
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FLV_SAMPLESSIZE_16BIT = 1 << FLV_AUDIO_SAMPLESSIZE_OFFSET, |
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}; |
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enum { |
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FLV_SAMPLERATE_SPECIAL = 0, /**< signifies 5512Hz and 8000Hz in the case of NELLYMOSER */ |
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FLV_SAMPLERATE_11025HZ = 1 << FLV_AUDIO_SAMPLERATE_OFFSET, |
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FLV_SAMPLERATE_22050HZ = 2 << FLV_AUDIO_SAMPLERATE_OFFSET, |
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FLV_SAMPLERATE_44100HZ = 3 << FLV_AUDIO_SAMPLERATE_OFFSET, |
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}; |
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enum { |
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FLV_CODECID_PCM_BE = 0, |
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FLV_CODECID_ADPCM = 1 << FLV_AUDIO_CODECID_OFFSET, |
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FLV_CODECID_MP3 = 2 << FLV_AUDIO_CODECID_OFFSET, |
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FLV_CODECID_PCM_LE = 3 << FLV_AUDIO_CODECID_OFFSET, |
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FLV_CODECID_NELLYMOSER_8HZ_MONO = 5 << FLV_AUDIO_CODECID_OFFSET, |
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FLV_CODECID_NELLYMOSER = 6 << FLV_AUDIO_CODECID_OFFSET, |
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}; |
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enum { |
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FLV_CODECID_H263 = 2, |
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FLV_CODECID_SCREEN = 3, |
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FLV_CODECID_VP6 = 4, |
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}; |
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enum { |
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FLV_FRAME_KEY = 1 << FLV_VIDEO_FRAMETYPE_OFFSET, |
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FLV_FRAME_INTER = 2 << FLV_VIDEO_FRAMETYPE_OFFSET, |
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FLV_FRAME_DISP_INTER = 3 << FLV_VIDEO_FRAMETYPE_OFFSET, |
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}; |
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typedef enum { |
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AMF_DATA_TYPE_NUMBER = 0x00, |
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AMF_DATA_TYPE_BOOL = 0x01, |
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AMF_DATA_TYPE_STRING = 0x02, |
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AMF_DATA_TYPE_OBJECT = 0x03, |
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AMF_DATA_TYPE_NULL = 0x05, |
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AMF_DATA_TYPE_UNDEFINED = 0x06, |
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AMF_DATA_TYPE_REFERENCE = 0x07, |
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AMF_DATA_TYPE_MIXEDARRAY = 0x08, |
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AMF_DATA_TYPE_ARRAY = 0x0a, |
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AMF_DATA_TYPE_DATE = 0x0b, |
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AMF_DATA_TYPE_UNSUPPORTED = 0x0d, |
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} AMFDataType; |
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#endif /* FLV_H */ |
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