flv.h File Reference

FLV common header. More...

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Macros
#define	FLV_AUDIO_SAMPLESSIZE_OFFSET   1
#define	FLV_AUDIO_SAMPLERATE_OFFSET   2
#define	FLV_AUDIO_CODECID_OFFSET   4
#define	FLV_VIDEO_FRAMETYPE_OFFSET   4
#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
#define	KEYFRAMES_TAG   "keyframes"
#define	KEYFRAMES_TIMESTAMP_TAG   "times"
#define	KEYFRAMES_BYTEOFFSET_TAG   "filepositions"

Enumerations
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_STREAM_TYPE_VIDEO, FLV_STREAM_TYPE_AUDIO, FLV_STREAM_TYPE_DATA, FLV_STREAM_TYPE_NB }
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, 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 = 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_16KHZ_MONO = 4 << FLV_AUDIO_CODECID_OFFSET, FLV_CODECID_NELLYMOSER_8KHZ_MONO = 5 << FLV_AUDIO_CODECID_OFFSET, FLV_CODECID_NELLYMOSER = 6 << FLV_AUDIO_CODECID_OFFSET, FLV_CODECID_PCM_ALAW = 7 << FLV_AUDIO_CODECID_OFFSET,   FLV_CODECID_PCM_MULAW = 8 << FLV_AUDIO_CODECID_OFFSET, FLV_CODECID_AAC = 10<< FLV_AUDIO_CODECID_OFFSET, FLV_CODECID_SPEEX = 11<< 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, FLV_CODECID_H264 = 7, FLV_CODECID_REALH263 = 8, FLV_CODECID_MPEG4 = 9 }
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, FLV_FRAME_GENERATED_KEY = 4 << FLV_VIDEO_FRAMETYPE_OFFSET,   FLV_FRAME_VIDEO_INFO_CMD = 5 << FLV_VIDEO_FRAMETYPE_OFFSET }
enum	AMFDataType {   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_OBJECT_END = 0x09, AMF_DATA_TYPE_ARRAY = 0x0a, AMF_DATA_TYPE_DATE = 0x0b, AMF_DATA_TYPE_LONG_STRING = 0x0c,   AMF_DATA_TYPE_UNSUPPORTED = 0x0d }

Detailed Description

FLV common header.

Definition in file flv.h.

Macro Definition Documentation

#define FLV_AUDIO_SAMPLESSIZE_OFFSET   1

Definition at line 32 of file flv.h.

#define FLV_AUDIO_SAMPLERATE_OFFSET   2

Definition at line 33 of file flv.h.

Referenced by flv_read_packet().

#define FLV_AUDIO_CODECID_OFFSET   4

Definition at line 34 of file flv.h.

Referenced by amf_parse_object(), flv_same_audio_codec(), and flv_set_audio_codec().

#define FLV_VIDEO_FRAMETYPE_OFFSET   4

Definition at line 36 of file flv.h.

#define FLV_AUDIO_CHANNEL_MASK   0x01

Definition at line 39 of file flv.h.

Referenced by flv_read_packet().

#define FLV_AUDIO_SAMPLESIZE_MASK   0x02

Definition at line 40 of file flv.h.

Referenced by flv_read_packet(), and flv_same_audio_codec().

#define FLV_AUDIO_SAMPLERATE_MASK   0x0c

Definition at line 41 of file flv.h.

Referenced by flv_read_packet().

#define FLV_AUDIO_CODECID_MASK   0xf0

Definition at line 42 of file flv.h.

Referenced by flv_read_packet(), and flv_same_audio_codec().

#define FLV_VIDEO_CODECID_MASK   0x0f

Definition at line 44 of file flv.h.

Referenced by flv_read_packet(), and flv_same_video_codec().

#define FLV_VIDEO_FRAMETYPE_MASK   0xf0

Definition at line 45 of file flv.h.

Referenced by flv_read_packet().

#define AMF_END_OF_OBJECT   0x09

Definition at line 47 of file flv.h.

Referenced by amf_parse_object(), flv_write_header(), and flv_write_packet().

#define KEYFRAMES_TAG   "keyframes"

Definition at line 49 of file flv.h.

Referenced by amf_parse_object().

#define KEYFRAMES_TIMESTAMP_TAG   "times"

Definition at line 50 of file flv.h.

Referenced by parse_keyframes_index().

#define KEYFRAMES_BYTEOFFSET_TAG   "filepositions"

Definition at line 51 of file flv.h.

Referenced by parse_keyframes_index().

Enumeration Type Documentation

anonymous enum

Enumerator:

FLV_HEADER_FLAG_HASVIDEO
FLV_HEADER_FLAG_HASAUDIO

Definition at line 54 of file flv.h.

anonymous enum

Enumerator:

FLV_TAG_TYPE_AUDIO
FLV_TAG_TYPE_VIDEO
FLV_TAG_TYPE_META

Definition at line 59 of file flv.h.

anonymous enum

Enumerator:

FLV_STREAM_TYPE_VIDEO
FLV_STREAM_TYPE_AUDIO
FLV_STREAM_TYPE_DATA
FLV_STREAM_TYPE_NB

Definition at line 65 of file flv.h.

anonymous enum

Enumerator:

FLV_MONO
FLV_STEREO

Definition at line 72 of file flv.h.

anonymous enum

Enumerator:

FLV_SAMPLESSIZE_8BIT
FLV_SAMPLESSIZE_16BIT

Definition at line 77 of file flv.h.

anonymous enum

Enumerator:

FLV_SAMPLERATE_SPECIAL	signifies 5512Hz and 8000Hz in the case of NELLYMOSER
FLV_SAMPLERATE_11025HZ
FLV_SAMPLERATE_22050HZ
FLV_SAMPLERATE_44100HZ

Definition at line 82 of file flv.h.

anonymous enum

Enumerator:

FLV_CODECID_PCM
FLV_CODECID_ADPCM
FLV_CODECID_MP3
FLV_CODECID_PCM_LE
FLV_CODECID_NELLYMOSER_16KHZ_MONO
FLV_CODECID_NELLYMOSER_8KHZ_MONO
FLV_CODECID_NELLYMOSER
FLV_CODECID_PCM_ALAW
FLV_CODECID_PCM_MULAW
FLV_CODECID_AAC
FLV_CODECID_SPEEX

Definition at line 89 of file flv.h.

anonymous enum

Enumerator:

FLV_CODECID_H263
FLV_CODECID_SCREEN
FLV_CODECID_VP6
FLV_CODECID_VP6A
FLV_CODECID_SCREEN2
FLV_CODECID_H264
FLV_CODECID_REALH263
FLV_CODECID_MPEG4

Definition at line 103 of file flv.h.

anonymous enum

Enumerator:

FLV_FRAME_KEY	key frame (for AVC, a seekable frame)
FLV_FRAME_INTER	inter frame (for AVC, a non-seekable frame)
FLV_FRAME_DISP_INTER	disposable inter frame (H.263 only)
FLV_FRAME_GENERATED_KEY	generated key frame (reserved for server use only)
FLV_FRAME_VIDEO_INFO_CMD	video info/command frame

Definition at line 114 of file flv.h.

enum AMFDataType

Enumerator:

AMF_DATA_TYPE_NUMBER
AMF_DATA_TYPE_BOOL
AMF_DATA_TYPE_STRING
AMF_DATA_TYPE_OBJECT
AMF_DATA_TYPE_NULL
AMF_DATA_TYPE_UNDEFINED
AMF_DATA_TYPE_REFERENCE
AMF_DATA_TYPE_MIXEDARRAY
AMF_DATA_TYPE_OBJECT_END
AMF_DATA_TYPE_ARRAY
AMF_DATA_TYPE_DATE
AMF_DATA_TYPE_LONG_STRING
AMF_DATA_TYPE_UNSUPPORTED

Definition at line 122 of file flv.h.