av1dec.c File Reference

#include "config.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "libavcodec/av1_parse.h"
#include "avformat.h"
#include "avio_internal.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	AnnexBContext

Macros
#define	OFFSET(x)   offsetof(AnnexBContext, x)
#define	DEC   AV_OPT_FLAG_DECODING_PARAM

Functions
static int	leb (AVIOContext *pb, uint32_t *len)
static int	read_obu (const uint8_t *buf, int size, int64_t *obu_size, int *type)
static int	annexb_probe (const AVProbeData *p)
static int	annexb_read_header (AVFormatContext *s)
static int	annexb_read_packet (AVFormatContext *s, AVPacket *pkt)
static int	annexb_read_close (AVFormatContext *s)

Variables
static const AVOption	annexb_options []
static const AVClass	annexb_demuxer_class
AVInputFormat	ff_av1_demuxer

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(AnnexBContext, x)

Definition at line 254 of file av1dec.c.

DEC

#define DEC   AV_OPT_FLAG_DECODING_PARAM

Definition at line 255 of file av1dec.c.

Function Documentation

leb()

static int leb ( AVIOContext *  pb, uint32_t *  len  )

static

Definition at line 39 of file av1dec.c.

Referenced by annexb_probe(), and annexb_read_packet().

read_obu()

static int read_obu ( const uint8_t *  buf, int  size, int64_t *  obu_size, int *  type  )

static

Definition at line 60 of file av1dec.c.

Referenced by annexb_probe().

annexb_probe()

static int annexb_probe ( const AVProbeData *  p )

static

Definition at line 73 of file av1dec.c.

annexb_read_header()

static int annexb_read_header ( AVFormatContext *  s )

static

Definition at line 147 of file av1dec.c.

annexb_read_packet()

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

static

Definition at line 189 of file av1dec.c.

annexb_read_close()

static int annexb_read_close ( AVFormatContext *  s )

static

Definition at line 246 of file av1dec.c.

Variable Documentation

annexb_options

const AVOption annexb_options[]

static

Initial value:

= {
    { "framerate", "", OFFSET(framerate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, DEC},
    { NULL },
}

Definition at line 256 of file av1dec.c.

annexb_demuxer_class

const AVClass annexb_demuxer_class

static

Initial value:

= {
    .class_name = "AV1 Annex B demuxer",
    .item_name  = av_default_item_name,
    .option     = annexb_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 261 of file av1dec.c.

ff_av1_demuxer

AVInputFormat ff_av1_demuxer

Initial value:

= {
    .name           = "av1",
    .long_name      = NULL_IF_CONFIG_SMALL("AV1 Annex B"),
    .priv_data_size = sizeof(AnnexBContext),
    .read_probe     = annexb_probe,
    .read_header    = annexb_read_header,
    .read_packet    = annexb_read_packet,
    .read_close     = annexb_read_close,
    .extensions     = "obu",
    .flags          = AVFMT_GENERIC_INDEX,
    .priv_class     = &annexb_demuxer_class,
}

Definition at line 268 of file av1dec.c.