h265_metadata.c File Reference

#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "libavcodec/bsf.h"
#include "libavcodec/bsf_internal.h"
#include "libavcodec/cbs.h"
#include "libavcodec/cbs_bsf.h"
#include "libavcodec/cbs_h265.h"
#include "libavcodec/h2645data.h"
#include "libavcodec/h265_profile_level.h"
#include "libavcodec/hevc/hevc.h"

Go to the source code of this file.

Data Structures
struct	H265MetadataContext

Macros
#define	SET_OR_INFER(field, value, present_flag, infer)
#define	CROP(border, unit)
#define	OFFSET(x)
#define	FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)
#define	LEVEL(name, value)

Enumerations
enum	{ LEVEL_UNSET = -2 , LEVEL_AUTO = -1 }

Functions
static void	h265_metadata_guess_level (AVBSFContext *bsf, const CodedBitstreamFragment *au)
static void	h265_metadata_update_level (AVBSFContext *bsf, uint8_t *level_idc)
static int	h265_metadata_update_vps (AVBSFContext *bsf, H265RawVPS *vps)
static int	h265_metadata_deduce_crop (AVBSFContext *bsf, const H265RawSPS *sps, int *crop_left, int *crop_right, int *crop_top, int *crop_bottom)
static int	h265_metadata_update_sps (AVBSFContext *bsf, H265RawSPS *sps)
static int	h265_metadata_update_fragment (AVBSFContext *bsf, AVPacket *pkt, CodedBitstreamFragment *au)
static int	h265_metadata_init (AVBSFContext *bsf)

Variables
static const CBSBSFType	h265_metadata_type
static const AVOption	h265_metadata_options []
static const AVClass	h265_metadata_class
static enum AVCodecID	h265_metadata_codec_ids []
const FFBitStreamFilter	ff_hevc_metadata_bsf

Macro Definition Documentation

SET_OR_INFER

#define SET_OR_INFER	(		field,
			value,
			present_flag,
			infer )

Value:

        do { \
        if (value >= 0) { \
            field = value; \
            need_vui = 1; \
        } else if (!present_flag) \
            field = infer; \
    } while (0)

Referenced by h265_metadata_update_sps().

CROP

#define CROP	(		border,
			unit )

Value:

        do { \
        if (crop_ ## border >= 0) { \
            if (crop_ ## border % unit != 0) { \
                av_log(bsf, AV_LOG_ERROR, "Invalid value for crop_%s: " \
                       "must be a multiple of %d.\n", #border, unit); \
                return AVERROR(EINVAL); \
            } \
            sps->conf_win_ ## border ## _offset = \
                crop_ ## border / unit; \
            sps->conformance_window_flag = 1; \
        } \
    } while (0)

Referenced by h265_metadata_update_sps().

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(H265MetadataContext, x)

Definition at line 495 of file h265_metadata.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)

Definition at line 496 of file h265_metadata.c.

LEVEL

#define LEVEL	(		name,
			value )

Value:

        name, NULL, 0, AV_OPT_TYPE_CONST, \
        { .i64 = value },      .flags = FLAGS, .unit = "level"

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
LEVEL_UNSET
LEVEL_AUTO

Definition at line 32 of file h265_metadata.c.

Function Documentation

h265_metadata_guess_level()

static void h265_metadata_guess_level ( AVBSFContext * bsf, const CodedBitstreamFragment * au )

static

Definition at line 71 of file h265_metadata.c.

Referenced by h265_metadata_update_fragment().

h265_metadata_update_level()

static void h265_metadata_update_level ( AVBSFContext * bsf, uint8_t * level_idc )

static

Definition at line 140 of file h265_metadata.c.

Referenced by h265_metadata_update_sps(), and h265_metadata_update_vps().

h265_metadata_update_vps()

static int h265_metadata_update_vps ( AVBSFContext * bsf, H265RawVPS * vps )

static

Definition at line 163 of file h265_metadata.c.

Referenced by h265_metadata_update_fragment().

h265_metadata_deduce_crop()

static int h265_metadata_deduce_crop ( AVBSFContext * bsf, const H265RawSPS * sps, int * crop_left, int * crop_right, int * crop_top, int * crop_bottom )

static

Definition at line 193 of file h265_metadata.c.

Referenced by h265_metadata_update_sps().

h265_metadata_update_sps()

static int h265_metadata_update_sps ( AVBSFContext * bsf, H265RawSPS * sps )

static

Definition at line 269 of file h265_metadata.c.

Referenced by h265_metadata_update_fragment().

h265_metadata_update_fragment()

static int h265_metadata_update_fragment ( AVBSFContext * bsf, AVPacket * pkt, CodedBitstreamFragment * au )

static

Definition at line 415 of file h265_metadata.c.

h265_metadata_init()

static int h265_metadata_init ( AVBSFContext * bsf )

static

Definition at line 490 of file h265_metadata.c.

Variable Documentation

h265_metadata_type

const CBSBSFType h265_metadata_type

static

Initial value:

= {
    .codec_id        = AV_CODEC_ID_HEVC,
    .fragment_name   = "access unit",
    .unit_name       = "NAL unit",
    .update_fragment = &h265_metadata_update_fragment,
}

Definition at line 483 of file h265_metadata.c.

Referenced by h265_metadata_init().

h265_metadata_options

const AVOption h265_metadata_options[]

static

Definition at line 497 of file h265_metadata.c.

h265_metadata_class

const AVClass h265_metadata_class

static

Initial value:

= {
    .class_name = "h265_metadata_bsf",
    .item_name  = av_default_item_name,
    .option     = h265_metadata_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 580 of file h265_metadata.c.

h265_metadata_codec_ids

enum AVCodecID h265_metadata_codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_HEVC, AV_CODEC_ID_NONE,
}

Definition at line 587 of file h265_metadata.c.

ff_hevc_metadata_bsf

const FFBitStreamFilter ff_hevc_metadata_bsf

Initial value:

= {
    .p.name         = "hevc_metadata",
    .p.codec_ids    = h265_metadata_codec_ids,
    .p.priv_class   = &h265_metadata_class,
    .priv_data_size = sizeof(H265MetadataContext),
    .init           = &h265_metadata_init,
    .close          = &ff_cbs_bsf_generic_close,
    .filter         = &ff_cbs_bsf_generic_filter,
}

Definition at line 591 of file h265_metadata.c.