extract_extradata_bsf.c File Reference

#include <stdint.h>
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "av1.h"
#include "av1_parse.h"
#include "bsf.h"
#include "h2645_parse.h"
#include "h264.h"
#include "hevc.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 AVBitStreamFilter	ff_extract_extradata_bsf

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(ExtractExtradataContext, x)

Definition at line 410 of file extract_extradata_bsf.c.

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)

Definition at line 411 of file extract_extradata_bsf.c.

Function Documentation

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().

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.

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.

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.

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

static

Definition at line 266 of file extract_extradata_bsf.c.

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

static

Definition at line 298 of file extract_extradata_bsf.c.

static int extract_extradata_init ( AVBSFContext *  ctx )

static

Definition at line 343 of file extract_extradata_bsf.c.

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

static

Definition at line 360 of file extract_extradata_bsf.c.

static void extract_extradata_close ( AVBSFContext *  ctx )

static

Definition at line 391 of file extract_extradata_bsf.c.

Variable Documentation

enum AVCodecID id

Definition at line 329 of file extract_extradata_bsf.c.

Referenced by accumulate_huff_bit_consumption(), add_tracked_method(), ape_tag_read_field(), asf_read_picture(), av_codec_get_id(), av_new_program(), avi_add_ientry(), avi_get_ientry(), avpriv_new_chapter(), che_configure(), check_section_show_entries(), create_new_audio_stream(), decode_frame(), dxtory_decode_v1_rgb(), ebml_parse(), encode_callback(), eval_expr(), exif_decode_tag(), ff_dca_vlc_calc_alloc_bits(), ff_dca_vlc_calc_quant_bits(), ff_dca_vlc_enc_alloc(), ff_dca_vlc_enc_quant(), ff_flac_parse_picture(), ff_get_wav_header(), ff_jpegls_decode_lse(), ff_mjpeg_decode_sos(), ff_mov_read_stsd_entries(), ff_rtsp_tcp_read_packet(), ff_rtsp_tcp_write_packet(), ff_wav_codec_get_id(), ffat_update_ctx(), flush_packet(), frame_configure_elements(), get_codec_data(), get_sindex(), lvf_read_header(), lvf_read_packet(), mark_section_show_entries(), matroska_parse_webvtt(), matroska_resync(), mjpeg_decode_app(), mkv_write_vtt_blocks(), mov_codec_id(), mov_read_covr(), mov_read_frma(), output_configure(), parse_object_segment(), parse_palette_segment(), print_section(), put_system_header(), qdm2_parse_subpacket(), read_apic(), remap_deprecated_codec_id(), remove_sps(), remove_vps(), rso_read_header(), set_codec_from_probe_data(), sol_read_header(), txd_read_packet(), v4l2_get_ext_ctrl(), v4l2_set_ext_ctrl(), wavpack_decode_block(), webvtt_write_packet(), write_chapter(), and wv_read_block_header().

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

Definition at line 330 of file extract_extradata_bsf.c.

const { ... } extract_tab[]

Initial value:

= {
    { AV_CODEC_ID_AV1,        extract_extradata_av1     },
    { 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().

enum AVCodecID codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_AV1,
    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 398 of file extract_extradata_bsf.c.

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.

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.

const AVBitStreamFilter ff_extract_extradata_bsf

Initial value:

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

Definition at line 425 of file extract_extradata_bsf.c.