4 * Copyright (c) 2006 The FFmpeg Project
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
28 #ifndef AVFORMAT_FLV_H
29 #define AVFORMAT_FLV_H
31 /* offsets for packed values */
32 #define FLV_AUDIO_SAMPLESSIZE_OFFSET 1
33 #define FLV_AUDIO_SAMPLERATE_OFFSET 2
34 #define FLV_AUDIO_CODECID_OFFSET 4
36 #define FLV_VIDEO_FRAMETYPE_OFFSET 4
38 /* bitmasks to isolate specific values */
39 #define FLV_AUDIO_CHANNEL_MASK 0x01
40 #define FLV_AUDIO_SAMPLESIZE_MASK 0x02
41 #define FLV_AUDIO_SAMPLERATE_MASK 0x0c
42 #define FLV_AUDIO_CODECID_MASK 0xf0
44 #define FLV_VIDEO_CODECID_MASK 0x0f
45 #define FLV_VIDEO_FRAMETYPE_MASK 0xf0
47 #define AMF_END_OF_OBJECT 0x09
49 #define KEYFRAMES_TAG "keyframes"
50 #define KEYFRAMES_TIMESTAMP_TAG "times"
51 #define KEYFRAMES_BYTEOFFSET_TAG "filepositions"
55 FLV_HEADER_FLAG_HASVIDEO
= 1,
56 FLV_HEADER_FLAG_HASAUDIO
= 4,
60 FLV_TAG_TYPE_AUDIO
= 0x08,
61 FLV_TAG_TYPE_VIDEO
= 0x09,
62 FLV_TAG_TYPE_META
= 0x12,
66 FLV_STREAM_TYPE_VIDEO
,
67 FLV_STREAM_TYPE_AUDIO
,
78 FLV_SAMPLESSIZE_8BIT
= 0,
79 FLV_SAMPLESSIZE_16BIT
= 1 << FLV_AUDIO_SAMPLESSIZE_OFFSET
,
83 FLV_SAMPLERATE_SPECIAL
= 0, /**< signifies 5512Hz and 8000Hz in the case of NELLYMOSER */
84 FLV_SAMPLERATE_11025HZ
= 1 << FLV_AUDIO_SAMPLERATE_OFFSET
,
85 FLV_SAMPLERATE_22050HZ
= 2 << FLV_AUDIO_SAMPLERATE_OFFSET
,
86 FLV_SAMPLERATE_44100HZ
= 3 << FLV_AUDIO_SAMPLERATE_OFFSET
,
91 FLV_CODECID_ADPCM
= 1 << FLV_AUDIO_CODECID_OFFSET
,
92 FLV_CODECID_MP3
= 2 << FLV_AUDIO_CODECID_OFFSET
,
93 FLV_CODECID_PCM_LE
= 3 << FLV_AUDIO_CODECID_OFFSET
,
94 FLV_CODECID_NELLYMOSER_16KHZ_MONO
= 4 << FLV_AUDIO_CODECID_OFFSET
,
95 FLV_CODECID_NELLYMOSER_8KHZ_MONO
= 5 << FLV_AUDIO_CODECID_OFFSET
,
96 FLV_CODECID_NELLYMOSER
= 6 << FLV_AUDIO_CODECID_OFFSET
,
97 FLV_CODECID_PCM_ALAW
= 7 << FLV_AUDIO_CODECID_OFFSET
,
98 FLV_CODECID_PCM_MULAW
= 8 << FLV_AUDIO_CODECID_OFFSET
,
99 FLV_CODECID_AAC
= 10<< FLV_AUDIO_CODECID_OFFSET
,
100 FLV_CODECID_SPEEX
= 11<< FLV_AUDIO_CODECID_OFFSET
,
104 FLV_CODECID_H263
= 2,
105 FLV_CODECID_SCREEN
= 3,
107 FLV_CODECID_VP6A
= 5,
108 FLV_CODECID_SCREEN2
= 6,
109 FLV_CODECID_H264
= 7,
110 FLV_CODECID_REALH263
= 8,
111 FLV_CODECID_MPEG4
= 9,
115 FLV_FRAME_KEY
= 1 << FLV_VIDEO_FRAMETYPE_OFFSET
, ///< key frame (for AVC, a seekable frame)
116 FLV_FRAME_INTER
= 2 << FLV_VIDEO_FRAMETYPE_OFFSET
, ///< inter frame (for AVC, a non-seekable frame)
117 FLV_FRAME_DISP_INTER
= 3 << FLV_VIDEO_FRAMETYPE_OFFSET
, ///< disposable inter frame (H.263 only)
118 FLV_FRAME_GENERATED_KEY
= 4 << FLV_VIDEO_FRAMETYPE_OFFSET
, ///< generated key frame (reserved for server use only)
119 FLV_FRAME_VIDEO_INFO_CMD
= 5 << FLV_VIDEO_FRAMETYPE_OFFSET
, ///< video info/command frame
123 AMF_DATA_TYPE_NUMBER
= 0x00,
124 AMF_DATA_TYPE_BOOL
= 0x01,
125 AMF_DATA_TYPE_STRING
= 0x02,
126 AMF_DATA_TYPE_OBJECT
= 0x03,
127 AMF_DATA_TYPE_NULL
= 0x05,
128 AMF_DATA_TYPE_UNDEFINED
= 0x06,
129 AMF_DATA_TYPE_REFERENCE
= 0x07,
130 AMF_DATA_TYPE_MIXEDARRAY
= 0x08,
131 AMF_DATA_TYPE_OBJECT_END
= 0x09,
132 AMF_DATA_TYPE_ARRAY
= 0x0a,
133 AMF_DATA_TYPE_DATE
= 0x0b,
134 AMF_DATA_TYPE_LONG_STRING
= 0x0c,
135 AMF_DATA_TYPE_UNSUPPORTED
= 0x0d,
138 #endif /* AVFORMAT_FLV_H */