yading@11: /* yading@11: * FLV common header yading@11: * yading@11: * Copyright (c) 2006 The FFmpeg Project yading@11: * yading@11: * This file is part of FFmpeg. yading@11: * yading@11: * FFmpeg is free software; you can redistribute it and/or yading@11: * modify it under the terms of the GNU Lesser General Public yading@11: * License as published by the Free Software Foundation; either yading@11: * version 2.1 of the License, or (at your option) any later version. yading@11: * yading@11: * FFmpeg is distributed in the hope that it will be useful, yading@11: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@11: * Lesser General Public License for more details. yading@11: * yading@11: * You should have received a copy of the GNU Lesser General Public yading@11: * License along with FFmpeg; if not, write to the Free Software yading@11: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@11: */ yading@11: yading@11: /** yading@11: * @file yading@11: * FLV common header yading@11: */ yading@11: yading@11: #ifndef AVFORMAT_FLV_H yading@11: #define AVFORMAT_FLV_H yading@11: yading@11: /* offsets for packed values */ yading@11: #define FLV_AUDIO_SAMPLESSIZE_OFFSET 1 yading@11: #define FLV_AUDIO_SAMPLERATE_OFFSET 2 yading@11: #define FLV_AUDIO_CODECID_OFFSET 4 yading@11: yading@11: #define FLV_VIDEO_FRAMETYPE_OFFSET 4 yading@11: yading@11: /* bitmasks to isolate specific values */ yading@11: #define FLV_AUDIO_CHANNEL_MASK 0x01 yading@11: #define FLV_AUDIO_SAMPLESIZE_MASK 0x02 yading@11: #define FLV_AUDIO_SAMPLERATE_MASK 0x0c yading@11: #define FLV_AUDIO_CODECID_MASK 0xf0 yading@11: yading@11: #define FLV_VIDEO_CODECID_MASK 0x0f yading@11: #define FLV_VIDEO_FRAMETYPE_MASK 0xf0 yading@11: yading@11: #define AMF_END_OF_OBJECT 0x09 yading@11: yading@11: #define KEYFRAMES_TAG "keyframes" yading@11: #define KEYFRAMES_TIMESTAMP_TAG "times" yading@11: #define KEYFRAMES_BYTEOFFSET_TAG "filepositions" yading@11: yading@11: yading@11: enum { yading@11: FLV_HEADER_FLAG_HASVIDEO = 1, yading@11: FLV_HEADER_FLAG_HASAUDIO = 4, yading@11: }; yading@11: yading@11: enum { yading@11: FLV_TAG_TYPE_AUDIO = 0x08, yading@11: FLV_TAG_TYPE_VIDEO = 0x09, yading@11: FLV_TAG_TYPE_META = 0x12, yading@11: }; yading@11: yading@11: enum { yading@11: FLV_STREAM_TYPE_VIDEO, yading@11: FLV_STREAM_TYPE_AUDIO, yading@11: FLV_STREAM_TYPE_DATA, yading@11: FLV_STREAM_TYPE_NB, yading@11: }; yading@11: yading@11: enum { yading@11: FLV_MONO = 0, yading@11: FLV_STEREO = 1, yading@11: }; yading@11: yading@11: enum { yading@11: FLV_SAMPLESSIZE_8BIT = 0, yading@11: FLV_SAMPLESSIZE_16BIT = 1 << FLV_AUDIO_SAMPLESSIZE_OFFSET, yading@11: }; yading@11: yading@11: enum { yading@11: FLV_SAMPLERATE_SPECIAL = 0, /**< signifies 5512Hz and 8000Hz in the case of NELLYMOSER */ yading@11: FLV_SAMPLERATE_11025HZ = 1 << FLV_AUDIO_SAMPLERATE_OFFSET, yading@11: FLV_SAMPLERATE_22050HZ = 2 << FLV_AUDIO_SAMPLERATE_OFFSET, yading@11: FLV_SAMPLERATE_44100HZ = 3 << FLV_AUDIO_SAMPLERATE_OFFSET, yading@11: }; yading@11: yading@11: enum { yading@11: FLV_CODECID_PCM = 0, yading@11: FLV_CODECID_ADPCM = 1 << FLV_AUDIO_CODECID_OFFSET, yading@11: FLV_CODECID_MP3 = 2 << FLV_AUDIO_CODECID_OFFSET, yading@11: FLV_CODECID_PCM_LE = 3 << FLV_AUDIO_CODECID_OFFSET, yading@11: FLV_CODECID_NELLYMOSER_16KHZ_MONO = 4 << FLV_AUDIO_CODECID_OFFSET, yading@11: FLV_CODECID_NELLYMOSER_8KHZ_MONO = 5 << FLV_AUDIO_CODECID_OFFSET, yading@11: FLV_CODECID_NELLYMOSER = 6 << FLV_AUDIO_CODECID_OFFSET, yading@11: FLV_CODECID_PCM_ALAW = 7 << FLV_AUDIO_CODECID_OFFSET, yading@11: FLV_CODECID_PCM_MULAW = 8 << FLV_AUDIO_CODECID_OFFSET, yading@11: FLV_CODECID_AAC = 10<< FLV_AUDIO_CODECID_OFFSET, yading@11: FLV_CODECID_SPEEX = 11<< FLV_AUDIO_CODECID_OFFSET, yading@11: }; yading@11: yading@11: enum { yading@11: FLV_CODECID_H263 = 2, yading@11: FLV_CODECID_SCREEN = 3, yading@11: FLV_CODECID_VP6 = 4, yading@11: FLV_CODECID_VP6A = 5, yading@11: FLV_CODECID_SCREEN2 = 6, yading@11: FLV_CODECID_H264 = 7, yading@11: FLV_CODECID_REALH263= 8, yading@11: FLV_CODECID_MPEG4 = 9, yading@11: }; yading@11: yading@11: enum { yading@11: FLV_FRAME_KEY = 1 << FLV_VIDEO_FRAMETYPE_OFFSET, ///< key frame (for AVC, a seekable frame) yading@11: FLV_FRAME_INTER = 2 << FLV_VIDEO_FRAMETYPE_OFFSET, ///< inter frame (for AVC, a non-seekable frame) yading@11: FLV_FRAME_DISP_INTER = 3 << FLV_VIDEO_FRAMETYPE_OFFSET, ///< disposable inter frame (H.263 only) yading@11: FLV_FRAME_GENERATED_KEY = 4 << FLV_VIDEO_FRAMETYPE_OFFSET, ///< generated key frame (reserved for server use only) yading@11: FLV_FRAME_VIDEO_INFO_CMD = 5 << FLV_VIDEO_FRAMETYPE_OFFSET, ///< video info/command frame yading@11: }; yading@11: yading@11: typedef enum { yading@11: AMF_DATA_TYPE_NUMBER = 0x00, yading@11: AMF_DATA_TYPE_BOOL = 0x01, yading@11: AMF_DATA_TYPE_STRING = 0x02, yading@11: AMF_DATA_TYPE_OBJECT = 0x03, yading@11: AMF_DATA_TYPE_NULL = 0x05, yading@11: AMF_DATA_TYPE_UNDEFINED = 0x06, yading@11: AMF_DATA_TYPE_REFERENCE = 0x07, yading@11: AMF_DATA_TYPE_MIXEDARRAY = 0x08, yading@11: AMF_DATA_TYPE_OBJECT_END = 0x09, yading@11: AMF_DATA_TYPE_ARRAY = 0x0a, yading@11: AMF_DATA_TYPE_DATE = 0x0b, yading@11: AMF_DATA_TYPE_LONG_STRING = 0x0c, yading@11: AMF_DATA_TYPE_UNSUPPORTED = 0x0d, yading@11: } AMFDataType; yading@11: yading@11: #endif /* AVFORMAT_FLV_H */