opus_metadata.c File Reference

#include "libavcodec/bsf.h"
#include "libavcodec/bsf_internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"

Go to the source code of this file.

Data Structures
struct	OpusBSFContext

Macros
#define	OFFSET(x)
#define	FLAGS   (AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_BSF_PARAM)

Functions
static int	opus_metadata_init (AVBSFContext *bsfc)

Variables
static const AVOption	opus_metadata_options []
static const AVClass	opus_metadata_class
static enum AVCodecID	codec_ids []
const FFBitStreamFilter	ff_opus_metadata_bsf

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(OpusBSFContext, x)

Definition at line 41 of file opus_metadata.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_BSF_PARAM)

Definition at line 42 of file opus_metadata.c.

Function Documentation

opus_metadata_init()

static int opus_metadata_init ( AVBSFContext * bsfc )

static

Definition at line 29 of file opus_metadata.c.

Variable Documentation

opus_metadata_options

const AVOption opus_metadata_options[]

static

Initial value:

= {
    { "gain", "Gain, actual amplification is pow(10, gain/(20.0*256))", OFFSET(gain),
      AV_OPT_TYPE_INT, { .i64 = 0 }, -(INT16_MAX + 1), INT16_MAX, .flags = FLAGS },
 
    { NULL },
}

Definition at line 43 of file opus_metadata.c.

opus_metadata_class

const AVClass opus_metadata_class

static

Initial value:

= {
    .class_name = "opus_metadata_bsf",
    .item_name  = av_default_item_name,
    .option     = opus_metadata_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 50 of file opus_metadata.c.

codec_ids

enum AVCodecID codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_OPUS, AV_CODEC_ID_NONE,
}

Definition at line 57 of file opus_metadata.c.

ff_opus_metadata_bsf

const FFBitStreamFilter ff_opus_metadata_bsf

Initial value:

= {
    .p.name         = "opus_metadata",
    .p.codec_ids    = codec_ids,
    .p.priv_class   = &opus_metadata_class,
    .priv_data_size = sizeof(OpusBSFContext),
    .init           = &opus_metadata_init,
    .filter         = &ff_bsf_get_packet_ref,
}

Definition at line 61 of file opus_metadata.c.