dovi_split.c File Reference

#include <stdbool.h>
#include "libavutil/avassert.h"
#include "libavutil/dovi_meta.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "bsf.h"
#include "bsf_internal.h"
#include "h2645_parse.h"
#include "packet.h"
#include "hevc/hevc.h"

Go to the source code of this file.

Data Structures
struct	DOVISplitContext

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

Enumerations
enum	DOVISplitMode { DOVI_SPLIT_BL = 0, DOVI_SPLIT_BL_RPU = 1, DOVI_SPLIT_EL = 2, DOVI_SPLIT_EL_RPU = 3 }

Functions
static int	hvcc_nal_length_size (const uint8_t *data, int size)
static int	dovi_split_init (AVBSFContext *ctx)
static void	dovi_split_close (AVBSFContext *ctx)
static int	nal_is_kept (const DOVISplitContext *s, const H2645NAL *nal, const uint8_t **payload, int *payload_size)
static int	dovi_split_filter (AVBSFContext *ctx, AVPacket *out)

Variables
static const AVOption	dovi_split_options []
static const AVClass	dovi_split_class
static enum AVCodecID	dovi_split_codec_ids []
const FFBitStreamFilter	ff_dovi_split_bsf

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(DOVISplitContext, x)

Definition at line 248 of file dovi_split.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_BSF_PARAM)

Definition at line 249 of file dovi_split.c.

Enumeration Type Documentation

DOVISplitMode

enum DOVISplitMode

Enumerator
DOVI_SPLIT_BL
DOVI_SPLIT_BL_RPU
DOVI_SPLIT_EL
DOVI_SPLIT_EL_RPU

Definition at line 34 of file dovi_split.c.

Function Documentation

hvcc_nal_length_size()

static int hvcc_nal_length_size ( const uint8_t *  data, int  size  )

static

Definition at line 50 of file dovi_split.c.

Referenced by dovi_split_init().

dovi_split_init()

static int dovi_split_init ( AVBSFContext *  ctx )

static

Definition at line 57 of file dovi_split.c.

dovi_split_close()

static void dovi_split_close ( AVBSFContext *  ctx )

static

Definition at line 131 of file dovi_split.c.

nal_is_kept()

static int nal_is_kept ( const DOVISplitContext *  s, const H2645NAL *  nal, const uint8_t **  payload, int *  payload_size  )

static

Definition at line 137 of file dovi_split.c.

Referenced by dovi_split_filter().

dovi_split_filter()

static int dovi_split_filter ( AVBSFContext *  ctx, AVPacket *  out  )

static

Definition at line 169 of file dovi_split.c.

Variable Documentation

dovi_split_options

const AVOption dovi_split_options[]

static

Initial value:

= {
    { "mode", "Which Dolby Vision components to keep in the output bitstream", OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = DOVI_SPLIT_BL }, DOVI_SPLIT_BL, DOVI_SPLIT_EL_RPU, FLAGS, .unit = "mode" },
        { "bl", "Base layer only", 0, AV_OPT_TYPE_CONST, { .i64 = DOVI_SPLIT_BL }, .flags = FLAGS, .unit = "mode" },
        { "bl_rpu", "Base layer with the RPU NAL", 0, AV_OPT_TYPE_CONST, { .i64 = DOVI_SPLIT_BL_RPU }, .flags = FLAGS, .unit = "mode" },
        { "el", "Enhancement layer only", 0, AV_OPT_TYPE_CONST, { .i64 = DOVI_SPLIT_EL }, .flags = FLAGS, .unit = "mode" },
        { "el_rpu", "Enhancement layer with the RPU NAL", 0, AV_OPT_TYPE_CONST, { .i64 = DOVI_SPLIT_EL_RPU }, .flags = FLAGS, .unit = "mode" },
    { NULL },
}

Definition at line 250 of file dovi_split.c.

dovi_split_class

const AVClass dovi_split_class

static

Initial value:

= {
    .class_name = "dovi_split_bsf",
    .item_name  = av_default_item_name,
    .option     = dovi_split_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 259 of file dovi_split.c.

dovi_split_codec_ids

enum AVCodecID dovi_split_codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_HEVC, AV_CODEC_ID_NONE,
}

Definition at line 266 of file dovi_split.c.

ff_dovi_split_bsf

const FFBitStreamFilter ff_dovi_split_bsf

Initial value:

= {
    .p.name         = "dovi_split",
    .p.codec_ids    = dovi_split_codec_ids,
    .p.priv_class   = &dovi_split_class,
    .priv_data_size = sizeof(DOVISplitContext),
    .init           = dovi_split_init,
    .close          = dovi_split_close,
    .filter         = dovi_split_filter,
}

Definition at line 270 of file dovi_split.c.