mpeg2_metadata.c File Reference

#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "cbs.h"
#include "cbs_bsf.h"
#include "cbs_mpeg2.h"
#include "mpeg12.h"

Go to the source code of this file.

Data Structures
struct	MPEG2MetadataContext

Macros
#define	VALIDITY_CHECK(name)
#define	OFFSET(x)   offsetof(MPEG2MetadataContext, x)
#define	FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)

Functions
static int	mpeg2_metadata_update_fragment (AVBSFContext *bsf, AVPacket *pkt, CodedBitstreamFragment *frag)
static int	mpeg2_metadata_init (AVBSFContext *bsf)

Variables
static const CBSBSFType	mpeg2_metadata_type
static const AVOption	mpeg2_metadata_options []
static const AVClass	mpeg2_metadata_class
static enum AVCodecID	mpeg2_metadata_codec_ids []
const FFBitStreamFilter	ff_mpeg2_metadata_bsf

Macro Definition Documentation

VALIDITY_CHECK

#define VALIDITY_CHECK

(

name

)

Value:

        do { \
        if (!ctx->name) { \
            av_log(bsf, AV_LOG_ERROR, "The value 0 for %s is " \
                                      "forbidden.\n", #name); \
            return AVERROR(EINVAL); \
        } \
    } while (0)

OFFSET

#define OFFSET

(

x

)

offsetof(MPEG2MetadataContext, x)

Definition at line 197 of file mpeg2_metadata.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)

Definition at line 198 of file mpeg2_metadata.c.

Function Documentation

mpeg2_metadata_update_fragment()

static int mpeg2_metadata_update_fragment ( AVBSFContext *  bsf, AVPacket *  pkt, CodedBitstreamFragment *  frag  )

static

Definition at line 47 of file mpeg2_metadata.c.

mpeg2_metadata_init()

static int mpeg2_metadata_init ( AVBSFContext *  bsf )

static

Definition at line 178 of file mpeg2_metadata.c.

Variable Documentation

mpeg2_metadata_type

const CBSBSFType mpeg2_metadata_type

static

Initial value:

= {
    .codec_id        = AV_CODEC_ID_MPEG2VIDEO,
    .fragment_name   = "frame",
    .unit_name       = "start code",
    .update_fragment = &mpeg2_metadata_update_fragment,
}

Definition at line 171 of file mpeg2_metadata.c.

Referenced by mpeg2_metadata_init().

mpeg2_metadata_options

const AVOption mpeg2_metadata_options[]

static

Initial value:

= {
    { "display_aspect_ratio", "Set display aspect ratio (table 6-3)",
        OFFSET(display_aspect_ratio), AV_OPT_TYPE_RATIONAL,
        { .dbl = 0.0 }, 0, 65535, FLAGS },
 
    { "frame_rate", "Set frame rate",
        OFFSET(frame_rate), AV_OPT_TYPE_RATIONAL,
        { .dbl = 0.0 }, 0, UINT_MAX, FLAGS },
 
    { "video_format", "Set video format (table 6-6)",
        OFFSET(video_format), AV_OPT_TYPE_INT,
        { .i64 = -1 }, -1, 7, FLAGS },
    { "colour_primaries", "Set colour primaries (table 6-7)",
        OFFSET(colour_primaries), AV_OPT_TYPE_INT,
        { .i64 = -1 }, -1, 255, FLAGS },
    { "transfer_characteristics", "Set transfer characteristics (table 6-8)",
        OFFSET(transfer_characteristics), AV_OPT_TYPE_INT,
        { .i64 = -1 }, -1, 255, FLAGS },
    { "matrix_coefficients", "Set matrix coefficients (table 6-9)",
        OFFSET(matrix_coefficients), AV_OPT_TYPE_INT,
        { .i64 = -1 }, -1, 255, FLAGS },
 
    { NULL }
}

Definition at line 199 of file mpeg2_metadata.c.

mpeg2_metadata_class

const AVClass mpeg2_metadata_class

static

Initial value:

= {
    .class_name = "mpeg2_metadata_bsf",
    .item_name  = av_default_item_name,
    .option     = mpeg2_metadata_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 224 of file mpeg2_metadata.c.

mpeg2_metadata_codec_ids

enum AVCodecID mpeg2_metadata_codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_MPEG2VIDEO, AV_CODEC_ID_NONE,
}

Definition at line 231 of file mpeg2_metadata.c.

ff_mpeg2_metadata_bsf

const FFBitStreamFilter ff_mpeg2_metadata_bsf

Initial value:

= {
    .p.name         = "mpeg2_metadata",
    .p.codec_ids    = mpeg2_metadata_codec_ids,
    .p.priv_class   = &mpeg2_metadata_class,
    .priv_data_size = sizeof(MPEG2MetadataContext),
    .init           = &mpeg2_metadata_init,
    .close          = &ff_cbs_bsf_generic_close,
    .filter         = &ff_cbs_bsf_generic_filter,
}

Definition at line 235 of file mpeg2_metadata.c.