h264_metadata.c File Reference

#include "libavutil/avstring.h"
#include "libavutil/display.h"
#include "libavutil/common.h"
#include "libavutil/mem.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_h264.h"
#include "libavcodec/cbs_sei.h"
#include "libavcodec/h264.h"
#include "libavcodec/h264_levels.h"
#include "libavcodec/h2645data.h"
#include "libavcodec/sei.h"

Go to the source code of this file.

Data Structures
struct	H264MetadataContext

Macros
#define	SET_VUI_FIELD(field)
#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	{ FLIP_HORIZONTAL = 1 , FLIP_VERTICAL = 2 }
enum	{ LEVEL_UNSET = -2 , LEVEL_AUTO = -1 }

Functions
static int	h264_metadata_insert_aud (AVBSFContext *bsf, CodedBitstreamFragment *au)
static int	h264_metadata_update_sps (AVBSFContext *bsf, H264RawSPS *sps)
static int	h264_metadata_handle_display_orientation (AVBSFContext *bsf, AVPacket *pkt, CodedBitstreamFragment *au, int seek_point)
static int	h264_metadata_update_fragment (AVBSFContext *bsf, AVPacket *pkt, CodedBitstreamFragment *au)
static int	h264_metadata_init (AVBSFContext *bsf)

Variables
static const CBSBSFType	h264_metadata_type
static const AVOption	h264_metadata_options []
static const AVClass	h264_metadata_class
static enum AVCodecID	h264_metadata_codec_ids []
const FFBitStreamFilter	ff_h264_metadata_bsf

Macro Definition Documentation

SET_VUI_FIELD

#define SET_VUI_FIELD

(

field

)

Value:

        do { \
        if (ctx->field >= 0) { \
            sps->vui.field = ctx->field; \
            need_vui = 1; \
        } \
    } while (0)

Referenced by h264_metadata_update_sps().

CROP

#define CROP	(		border,
			unit )

Value:

        do { \
        if (ctx->crop_ ## border >= 0) { \
            if (ctx->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->frame_crop_ ## border ## _offset = \
                  ctx->crop_ ## border / unit; \
            sps->frame_cropping_flag = 1; \
        } \
    } while (0)

Referenced by h264_metadata_update_sps().

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(H264MetadataContext, x)

Definition at line 592 of file h264_metadata.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)

Definition at line 593 of file h264_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
FLIP_HORIZONTAL
FLIP_VERTICAL

Definition at line 36 of file h264_metadata.c.

anonymous enum

anonymous enum

Enumerator
LEVEL_UNSET
LEVEL_AUTO

Definition at line 41 of file h264_metadata.c.

Function Documentation

h264_metadata_insert_aud()

static int h264_metadata_insert_aud ( AVBSFContext * bsf, CodedBitstreamFragment * au )

static

Definition at line 89 of file h264_metadata.c.

Referenced by h264_metadata_update_fragment().

h264_metadata_update_sps()

static int h264_metadata_update_sps ( AVBSFContext * bsf, H264RawSPS * sps )

static

Definition at line 142 of file h264_metadata.c.

Referenced by h264_metadata_update_fragment().

h264_metadata_handle_display_orientation()

static int h264_metadata_handle_display_orientation ( AVBSFContext * bsf, AVPacket * pkt, CodedBitstreamFragment * au, int seek_point )

static

Definition at line 326 of file h264_metadata.c.

Referenced by h264_metadata_update_fragment().

h264_metadata_update_fragment()

static int h264_metadata_update_fragment ( AVBSFContext * bsf, AVPacket * pkt, CodedBitstreamFragment * au )

static

Definition at line 468 of file h264_metadata.c.

h264_metadata_init()

static int h264_metadata_init ( AVBSFContext * bsf )

static

Definition at line 552 of file h264_metadata.c.

Variable Documentation

h264_metadata_type

const CBSBSFType h264_metadata_type

static

Initial value:

= {
    .codec_id        = AV_CODEC_ID_H264,
    .fragment_name   = "access unit",
    .unit_name       = "NAL unit",
    .update_fragment = &h264_metadata_update_fragment,
}

Definition at line 545 of file h264_metadata.c.

Referenced by h264_metadata_init().

h264_metadata_options

const AVOption h264_metadata_options[]

static

Definition at line 594 of file h264_metadata.c.

h264_metadata_class

const AVClass h264_metadata_class

static

Initial value:

= {
    .class_name = "h264_metadata_bsf",
    .item_name  = av_default_item_name,
    .option     = h264_metadata_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 705 of file h264_metadata.c.

h264_metadata_codec_ids

enum AVCodecID h264_metadata_codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_H264, AV_CODEC_ID_NONE,
}

Definition at line 712 of file h264_metadata.c.

ff_h264_metadata_bsf

const FFBitStreamFilter ff_h264_metadata_bsf

Initial value:

= {
    .p.name         = "h264_metadata",
    .p.codec_ids    = h264_metadata_codec_ids,
    .p.priv_class   = &h264_metadata_class,
    .priv_data_size = sizeof(H264MetadataContext),
    .init           = &h264_metadata_init,
    .close          = &ff_cbs_bsf_generic_close,
    .filter         = &ff_cbs_bsf_generic_filter,
}

Definition at line 716 of file h264_metadata.c.