extract_extradata_bsf.c File Reference

#include <stdint.h>
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "av1.h"
#include "av1_parse.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "bytestream.h"
#include "h2645_parse.h"
#include "h264.h"
#include "hevc.h"
#include "startcode.h"
#include "vc1_common.h"

Go to the source code of this file.

Data Structures
struct	ExtractExtradataContext

Macros
#define	OFFSET(x)   offsetof(ExtractExtradataContext, x)
#define	FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)

Functions
static int	val_in_array (const int *arr, int len, int val)
static int	extract_extradata_av1 (AVBSFContext *ctx, AVPacket *pkt, uint8_t **data, int *size)
static int	extract_extradata_h2645 (AVBSFContext *ctx, AVPacket *pkt, uint8_t **data, int *size)
static int	extract_extradata_vc1 (AVBSFContext *ctx, AVPacket *pkt, uint8_t **data, int *size)
static int	extract_extradata_mpeg12 (AVBSFContext *ctx, AVPacket *pkt, uint8_t **data, int *size)
static int	extract_extradata_mpeg4 (AVBSFContext *ctx, AVPacket *pkt, uint8_t **data, int *size)
static int	extract_extradata_init (AVBSFContext *ctx)
static int	extract_extradata_filter (AVBSFContext *ctx, AVPacket *pkt)
static void	extract_extradata_close (AVBSFContext *ctx)

Variables
struct {
enum AVCodecID   id
int(*   extract )(AVBSFContext *ctx, AVPacket       *pkt, uint8_t **data, int       *size)
}	extract_tab []
static enum AVCodecID	codec_ids []
static const AVOption	options []
static const AVClass	extract_extradata_class
const FFBitStreamFilter	ff_extract_extradata_bsf

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(ExtractExtradataContext, x)

Definition at line 410 of file extract_extradata_bsf.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)

Definition at line 411 of file extract_extradata_bsf.c.

Function Documentation

val_in_array()

static int val_in_array ( const int *  arr, int  len, int  val  )

static

Definition at line 51 of file extract_extradata_bsf.c.

Referenced by extract_extradata_av1(), and extract_extradata_h2645().

extract_extradata_av1()

static int extract_extradata_av1 ( AVBSFContext *  ctx, AVPacket *  pkt, uint8_t **  data, int *  size  )

static

Definition at line 60 of file extract_extradata_bsf.c.

extract_extradata_h2645()

static int extract_extradata_h2645 ( AVBSFContext *  ctx, AVPacket *  pkt, uint8_t **  data, int *  size  )

static

Definition at line 134 of file extract_extradata_bsf.c.

extract_extradata_vc1()

static int extract_extradata_vc1 ( AVBSFContext *  ctx, AVPacket *  pkt, uint8_t **  data, int *  size  )

static

Definition at line 230 of file extract_extradata_bsf.c.

extract_extradata_mpeg12()

static int extract_extradata_mpeg12 ( AVBSFContext *  ctx, AVPacket *  pkt, uint8_t **  data, int *  size  )

static

Definition at line 265 of file extract_extradata_bsf.c.

extract_extradata_mpeg4()

static int extract_extradata_mpeg4 ( AVBSFContext *  ctx, AVPacket *  pkt, uint8_t **  data, int *  size  )

static

Definition at line 294 of file extract_extradata_bsf.c.

extract_extradata_init()

static int extract_extradata_init ( AVBSFContext *  ctx )

static

Definition at line 340 of file extract_extradata_bsf.c.

extract_extradata_filter()

static int extract_extradata_filter ( AVBSFContext *  ctx, AVPacket *  pkt  )

static

Definition at line 357 of file extract_extradata_bsf.c.

extract_extradata_close()

static void extract_extradata_close ( AVBSFContext *  ctx )

static

Definition at line 389 of file extract_extradata_bsf.c.

Variable Documentation

id

enum AVCodecID id

Definition at line 324 of file extract_extradata_bsf.c.

extract

int(* extract) (AVBSFContext *ctx, AVPacket *pkt, uint8_t **data, int *size)

Definition at line 325 of file extract_extradata_bsf.c.

extract_tab

const { ... } extract_tab[]

Initial value:

= {
    { AV_CODEC_ID_AV1,        extract_extradata_av1     },
    { AV_CODEC_ID_AVS2,       extract_extradata_mpeg4   },
    { AV_CODEC_ID_AVS3,       extract_extradata_mpeg4   },
    { AV_CODEC_ID_CAVS,       extract_extradata_mpeg4   },
    { AV_CODEC_ID_H264,       extract_extradata_h2645   },
    { AV_CODEC_ID_HEVC,       extract_extradata_h2645   },
    { AV_CODEC_ID_MPEG1VIDEO, extract_extradata_mpeg12  },
    { AV_CODEC_ID_MPEG2VIDEO, extract_extradata_mpeg12  },
    { AV_CODEC_ID_MPEG4,      extract_extradata_mpeg4   },
    { AV_CODEC_ID_VC1,        extract_extradata_vc1     },
}

Referenced by extract_extradata_init().

codec_ids

enum AVCodecID codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_AV1,
    AV_CODEC_ID_AVS2,
    AV_CODEC_ID_AVS3,
    AV_CODEC_ID_CAVS,
    AV_CODEC_ID_H264,
    AV_CODEC_ID_HEVC,
    AV_CODEC_ID_MPEG1VIDEO,
    AV_CODEC_ID_MPEG2VIDEO,
    AV_CODEC_ID_MPEG4,
    AV_CODEC_ID_VC1,
    AV_CODEC_ID_NONE,
}

Definition at line 396 of file extract_extradata_bsf.c.

options

const AVOption options[]

static

Initial value:

= {
    { "remove", "remove the extradata from the bitstream", OFFSET(remove), AV_OPT_TYPE_INT,
        { .i64 = 0 }, 0, 1, FLAGS },
    { NULL },
}

Definition at line 412 of file extract_extradata_bsf.c.

extract_extradata_class

const AVClass extract_extradata_class

static

Initial value:

= {
    .class_name = "extract_extradata",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 418 of file extract_extradata_bsf.c.

ff_extract_extradata_bsf

const FFBitStreamFilter ff_extract_extradata_bsf

Initial value:

= {
    .p.name         = "extract_extradata",
    .p.codec_ids    = codec_ids,
    .p.priv_class   = &extract_extradata_class,
    .priv_data_size = sizeof(ExtractExtradataContext),
    .init           = extract_extradata_init,
    .filter         = extract_extradata_filter,
    .close          = extract_extradata_close,
}

Definition at line 425 of file extract_extradata_bsf.c.