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Diffstat (limited to 'contrib/ffmpeg/libavformat/flv.h')
| -rw-r--r-- | contrib/ffmpeg/libavformat/flv.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavformat/flv.h b/contrib/ffmpeg/libavformat/flv.h new file mode 100644 index 000000000..1484ac15d --- /dev/null +++ b/contrib/ffmpeg/libavformat/flv.h @@ -0,0 +1,110 @@ +/** + * @file flv.h + * FLV common header + * + * Copyright (c) 2006 The FFmpeg Project. + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef FLV_H +#define FLV_H + +/* offsets for packed values */ +#define FLV_AUDIO_SAMPLESSIZE_OFFSET 1 +#define FLV_AUDIO_SAMPLERATE_OFFSET 2 +#define FLV_AUDIO_CODECID_OFFSET 4 + +#define FLV_VIDEO_FRAMETYPE_OFFSET 4 + +/* bitmasks to isolate specific values */ +#define FLV_AUDIO_CHANNEL_MASK 0x01 +#define FLV_AUDIO_SAMPLESIZE_MASK 0x02 +#define FLV_AUDIO_SAMPLERATE_MASK 0x0c +#define FLV_AUDIO_CODECID_MASK 0xf0 + +#define FLV_VIDEO_CODECID_MASK 0x0f +#define FLV_VIDEO_FRAMETYPE_MASK 0xf0 + +#define AMF_END_OF_OBJECT 0x09 + +enum { + FLV_HEADER_FLAG_HASVIDEO = 1, + FLV_HEADER_FLAG_HASAUDIO = 4, +}; + +enum { + FLV_TAG_TYPE_AUDIO = 0x08, + FLV_TAG_TYPE_VIDEO = 0x09, + FLV_TAG_TYPE_META = 0x12, +}; + +enum { + FLV_MONO = 0, + FLV_STEREO = 1, +}; + +enum { + FLV_SAMPLESSIZE_8BIT = 0, + FLV_SAMPLESSIZE_16BIT = 1 << FLV_AUDIO_SAMPLESSIZE_OFFSET, +}; + +enum { + FLV_SAMPLERATE_SPECIAL = 0, /**< signifies 5512Hz and 8000Hz in the case of NELLYMOSER */ + FLV_SAMPLERATE_11025HZ = 1 << FLV_AUDIO_SAMPLERATE_OFFSET, + FLV_SAMPLERATE_22050HZ = 2 << FLV_AUDIO_SAMPLERATE_OFFSET, + FLV_SAMPLERATE_44100HZ = 3 << FLV_AUDIO_SAMPLERATE_OFFSET, +}; + +enum { + FLV_CODECID_PCM_BE = 0, + FLV_CODECID_ADPCM = 1 << FLV_AUDIO_CODECID_OFFSET, + FLV_CODECID_MP3 = 2 << FLV_AUDIO_CODECID_OFFSET, + FLV_CODECID_PCM_LE = 3 << FLV_AUDIO_CODECID_OFFSET, + FLV_CODECID_NELLYMOSER_8HZ_MONO = 5 << FLV_AUDIO_CODECID_OFFSET, + FLV_CODECID_NELLYMOSER = 6 << FLV_AUDIO_CODECID_OFFSET, +}; + +enum { + FLV_CODECID_H263 = 2, + FLV_CODECID_SCREEN = 3, + FLV_CODECID_VP6 = 4, + FLV_CODECID_VP6A = 5, + FLV_CODECID_SCREEN2 = 6, +}; + +enum { + FLV_FRAME_KEY = 1 << FLV_VIDEO_FRAMETYPE_OFFSET, + FLV_FRAME_INTER = 2 << FLV_VIDEO_FRAMETYPE_OFFSET, + FLV_FRAME_DISP_INTER = 3 << FLV_VIDEO_FRAMETYPE_OFFSET, +}; + +typedef enum { + AMF_DATA_TYPE_NUMBER = 0x00, + AMF_DATA_TYPE_BOOL = 0x01, + AMF_DATA_TYPE_STRING = 0x02, + AMF_DATA_TYPE_OBJECT = 0x03, + AMF_DATA_TYPE_NULL = 0x05, + AMF_DATA_TYPE_UNDEFINED = 0x06, + AMF_DATA_TYPE_REFERENCE = 0x07, + AMF_DATA_TYPE_MIXEDARRAY = 0x08, + AMF_DATA_TYPE_ARRAY = 0x0a, + AMF_DATA_TYPE_DATE = 0x0b, + AMF_DATA_TYPE_UNSUPPORTED = 0x0d, +} AMFDataType; + +#endif /* FLV_H */ |