#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/dict.h"
#include "libavutil/opt.h"
#include "libavutil/internal.h"
#include "libavutil/intfloat.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "avformat.h"
#include "demux.h"
#include "internal.h"
#include "flv.h"

Data Structures
struct	FLVContext

struct	amf_date

Macros
#define	VALIDATE_INDEX_TS_THRESH 2500

#define	RESYNC_BUFFER_SIZE (1<<20)

#define	MAX_DEPTH 16
	arbitrary limit to prevent unbounded recursion More...

#define	TYPE_ONTEXTDATA 1

#define	TYPE_ONCAPTION 2

#define	TYPE_ONCAPTIONINFO 3

#define	TYPE_UNKNOWN 9

#define	OFFSET(x) offsetof(FLVContext, x)

#define	VD AV_OPT_FLAG_VIDEO_PARAM \| AV_OPT_FLAG_DECODING_PARAM

Functions
static int	probe (const AVProbeData *p, int live)

static int	flv_probe (const AVProbeData *p)

static int	live_flv_probe (const AVProbeData *p)

static int	kux_probe (const AVProbeData *p)

static void	add_keyframes_index (AVFormatContext *s)

static AVStream *	create_stream (AVFormatContext *s, int codec_type)

static int	flv_same_audio_codec (AVCodecParameters *apar, int flags)

static void	flv_set_audio_codec (AVFormatContext s, AVStream astream, AVCodecParameters *apar, int flv_codecid)

static int	flv_same_video_codec (AVCodecParameters *vpar, int flags)

static int	flv_set_video_codec (AVFormatContext s, AVStream vstream, int flv_codecid, int read)

static int	amf_get_string (AVIOContext ioc, char buffer, int buffsize)

static int	parse_keyframes_index (AVFormatContext s, AVIOContext ioc, int64_t max_pos)

static int	amf_parse_object (AVFormatContext s, AVStream astream, AVStream vstream, const char key, int64_t max_pos, int depth)

static int	flv_read_metabody (AVFormatContext *s, int64_t next_pos)

static int	flv_read_header (AVFormatContext *s)

static int	flv_read_close (AVFormatContext *s)

static int	flv_get_extradata (AVFormatContext s, AVStream st, int size)

static int	flv_queue_extradata (FLVContext flv, AVIOContext pb, int stream, int size)

static void	clear_index_entries (AVFormatContext *s, int64_t pos)

static int	amf_skip_tag (AVIOContext *pb, AMFDataType type, int depth)

static int	flv_data_packet (AVFormatContext s, AVPacket pkt, int64_t dts, int64_t next)

static int	resync (AVFormatContext *s)

static int	flv_read_packet (AVFormatContext s, AVPacket pkt)

static int	flv_read_seek (AVFormatContext *s, int stream_index, int64_t ts, int flags)

Variables
static const AVOption	options []

static const AVClass	flv_kux_class

const AVInputFormat	ff_flv_demuxer

const AVInputFormat	ff_live_flv_demuxer

const AVInputFormat	ff_kux_demuxer

Macro Definition Documentation

◆ VALIDATE_INDEX_TS_THRESH

#define VALIDATE_INDEX_TS_THRESH 2500

Definition at line 41 of file flvdec.c.

◆ RESYNC_BUFFER_SIZE

#define RESYNC_BUFFER_SIZE (1<<20)

Definition at line 43 of file flvdec.c.

◆ MAX_DEPTH

#define MAX_DEPTH 16

arbitrary limit to prevent unbounded recursion

Definition at line 45 of file flvdec.c.

◆ TYPE_ONTEXTDATA

#define TYPE_ONTEXTDATA 1

Definition at line 701 of file flvdec.c.

◆ TYPE_ONCAPTION

#define TYPE_ONCAPTION 2

Definition at line 702 of file flvdec.c.

◆ TYPE_ONCAPTIONINFO

#define TYPE_ONCAPTIONINFO 3

Definition at line 703 of file flvdec.c.

◆ TYPE_UNKNOWN

#define TYPE_UNKNOWN 9

Definition at line 704 of file flvdec.c.

◆ OFFSET

#define OFFSET ( x ) offsetof(FLVContext, x)

Definition at line 1357 of file flvdec.c.

◆ VD

#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 1358 of file flvdec.c.

Function Documentation

◆ probe()

static int probe	(	const AVProbeData *	p,
		int	live
	)

static

Definition at line 89 of file flvdec.c.

Referenced by flv_probe(), and live_flv_probe().

◆ flv_probe()

static int flv_probe ( const AVProbeData * p )

static

Definition at line 108 of file flvdec.c.

◆ live_flv_probe()

static int live_flv_probe ( const AVProbeData * p )

static

Definition at line 113 of file flvdec.c.

◆ kux_probe()

static int kux_probe ( const AVProbeData * p )

static

Definition at line 118 of file flvdec.c.

◆ add_keyframes_index()

static void add_keyframes_index ( AVFormatContext * s )

static

Definition at line 132 of file flvdec.c.

Referenced by amf_parse_object(), and create_stream().

◆ create_stream()

static AVStream* create_stream	(	AVFormatContext *	s,
		int	codec_type
	)

static

Definition at line 163 of file flvdec.c.

Referenced by amf_parse_object(), flv_data_packet(), and flv_read_packet().

◆ flv_same_audio_codec()

static int flv_same_audio_codec	(	AVCodecParameters *	apar,
		int	flags
	)

static

Definition at line 193 of file flvdec.c.

Referenced by flv_read_packet().

◆ flv_set_audio_codec()

static void flv_set_audio_codec	(	AVFormatContext *	s,
		AVStream *	astream,
		AVCodecParameters *	apar,
		int	flv_codecid
	)

static

Definition at line 244 of file flvdec.c.

Referenced by amf_parse_object(), and flv_read_packet().

◆ flv_same_video_codec()

static int flv_same_video_codec	(	AVCodecParameters *	vpar,
		int	flags
	)

static

Definition at line 304 of file flvdec.c.

Referenced by flv_read_packet().

◆ flv_set_video_codec()

static int flv_set_video_codec	(	AVFormatContext *	s,
		AVStream *	vstream,
		int	flv_codecid,
		int	read
	)

static

Definition at line 329 of file flvdec.c.

Referenced by amf_parse_object(), and flv_read_packet().

◆ amf_get_string()

static int amf_get_string	(	AVIOContext *	ioc,
		char *	buffer,
		int	buffsize
	)

static

Definition at line 387 of file flvdec.c.

Referenced by amf_parse_object(), flv_data_packet(), flv_read_metabody(), and parse_keyframes_index().

◆ parse_keyframes_index()

static int parse_keyframes_index	(	AVFormatContext *	s,
		AVIOContext *	ioc,
		int64_t	max_pos
	)

static

Definition at line 407 of file flvdec.c.

Referenced by amf_parse_object().

◆ amf_parse_object()

static int amf_parse_object	(	AVFormatContext *	s,
		AVStream *	astream,
		AVStream *	vstream,
		const char *	key,
		int64_t	max_pos,
		int	depth
	)

static

Definition at line 501 of file flvdec.c.

Referenced by flv_read_metabody().

◆ flv_read_metabody()

static int flv_read_metabody	(	AVFormatContext *	s,
		int64_t	next_pos
	)

static

Definition at line 706 of file flvdec.c.

Referenced by flv_read_packet().

◆ flv_read_header()

static int flv_read_header ( AVFormatContext * s )

static

Definition at line 763 of file flvdec.c.

◆ flv_read_close()

static int flv_read_close ( AVFormatContext * s )

static

Definition at line 801 of file flvdec.c.

◆ flv_get_extradata()

static int flv_get_extradata	(	AVFormatContext *	s,
		AVStream *	st,
		int	size
	)

static

Definition at line 812 of file flvdec.c.

Referenced by flv_read_packet().

◆ flv_queue_extradata()

static int flv_queue_extradata	(	FLVContext *	flv,
		AVIOContext *	pb,
		int	stream,
		int	size
	)

static

Definition at line 824 of file flvdec.c.

Referenced by flv_read_packet().

◆ clear_index_entries()

static void clear_index_entries	(	AVFormatContext *	s,
		int64_t	pos
	)

static

Definition at line 840 of file flvdec.c.

Referenced by flv_read_packet().

◆ amf_skip_tag()

static int amf_skip_tag	(	AVIOContext *	pb,
		AMFDataType	type,
		int	depth
	)

static

Definition at line 855 of file flvdec.c.

Referenced by flv_data_packet().

◆ flv_data_packet()

static int flv_data_packet	(	AVFormatContext *	s,
		AVPacket *	pkt,
		int64_t	dts,
		int64_t	next
	)

static

Definition at line 904 of file flvdec.c.

Referenced by flv_read_packet().

◆ resync()

static int resync ( AVFormatContext * s )

static

Definition at line 971 of file flvdec.c.

Referenced by avi_read_packet(), flv_read_packet(), mxf_set_current_edit_unit(), and nut_read_packet().

◆ flv_read_packet()

static int flv_read_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)

static

Definition at line 1013 of file flvdec.c.

◆ flv_read_seek()

static int flv_read_seek	(	AVFormatContext *	s,
		int	stream_index,
		int64_t	ts,
		int	flags
	)

static

Definition at line 1349 of file flvdec.c.

Variable Documentation

◆ options

const AVOption options[]

static

Initial value:

= {
    { "flv_metadata", "Allocate streams according to the onMetaData array", OFFSET(trust_metadata), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD },
    { "flv_full_metadata", "Dump full metadata of the onMetadata", OFFSET(dump_full_metadata), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD },
    { "flv_ignore_prevtag", "Ignore the Size of previous tag", OFFSET(trust_datasize), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD },
    { "missing_streams", "", OFFSET(missing_streams), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 0xFF, VD | AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY },
    { NULL }
}

Definition at line 1359 of file flvdec.c.

◆ flv_kux_class

const AVClass flv_kux_class

static

Initial value:

= {
    .class_name = "(live) flv/kux demuxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 1367 of file flvdec.c.

◆ ff_flv_demuxer

const AVInputFormat ff_flv_demuxer

Initial value:

= {
    .name           = "flv",
    .long_name      = NULL_IF_CONFIG_SMALL("FLV (Flash Video)"),
    .priv_data_size = sizeof(FLVContext),
    .read_probe     = flv_probe,
    .read_header    = flv_read_header,
    .read_packet    = flv_read_packet,
    .read_seek      = flv_read_seek,
    .read_close     = flv_read_close,
    .extensions     = "flv",
    .priv_class     = &flv_kux_class,
}

Definition at line 1374 of file flvdec.c.

◆ ff_live_flv_demuxer

const AVInputFormat ff_live_flv_demuxer

Initial value:

= {
    .name           = "live_flv",
    .long_name      = NULL_IF_CONFIG_SMALL("live RTMP FLV (Flash Video)"),
    .priv_data_size = sizeof(FLVContext),
    .read_probe     = live_flv_probe,
    .read_header    = flv_read_header,
    .read_packet    = flv_read_packet,
    .read_seek      = flv_read_seek,
    .read_close     = flv_read_close,
    .extensions     = "flv",
    .priv_class     = &flv_kux_class,
    .flags          = AVFMT_TS_DISCONT
}

Definition at line 1387 of file flvdec.c.

◆ ff_kux_demuxer

const AVInputFormat ff_kux_demuxer

Initial value:

= {
    .name           = "kux",
    .long_name      = NULL_IF_CONFIG_SMALL("KUX (YouKu)"),
    .priv_data_size = sizeof(FLVContext),
    .read_probe     = kux_probe,
    .read_header    = flv_read_header,
    .read_packet    = flv_read_packet,
    .read_seek      = flv_read_seek,
    .read_close     = flv_read_close,
    .extensions     = "kux",
    .priv_class     = &flv_kux_class,
}

Definition at line 1401 of file flvdec.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ VALIDATE_INDEX_TS_THRESH

◆ RESYNC_BUFFER_SIZE

◆ MAX_DEPTH

◆ TYPE_ONTEXTDATA

◆ TYPE_ONCAPTION

◆ TYPE_ONCAPTIONINFO

◆ TYPE_UNKNOWN

◆ OFFSET

◆ VD

Function Documentation

◆ probe()

◆ flv_probe()

◆ live_flv_probe()

◆ kux_probe()

◆ add_keyframes_index()

◆ create_stream()

◆ flv_same_audio_codec()

◆ flv_set_audio_codec()

◆ flv_same_video_codec()

◆ flv_set_video_codec()

◆ amf_get_string()

◆ parse_keyframes_index()

◆ amf_parse_object()

◆ flv_read_metabody()

◆ flv_read_header()

◆ flv_read_close()

◆ flv_get_extradata()

◆ flv_queue_extradata()

◆ clear_index_entries()

◆ amf_skip_tag()

◆ flv_data_packet()

◆ resync()

◆ flv_read_packet()

◆ flv_read_seek()

Variable Documentation

◆ options

◆ flv_kux_class

◆ ff_flv_demuxer

◆ ff_live_flv_demuxer

◆ ff_kux_demuxer