h264_metadata_bsf.c File Reference

#include "libavutil/avstring.h"
#include "libavutil/display.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "bsf.h"
#include "cbs.h"
#include "cbs_h264.h"
#include "h264.h"
#include "h264_sei.h"

Go to the source code of this file.

Data Structures
struct	H264MetadataContext

Macros
#define	SET_OR_INFER(field, value, present_flag, infer)
#define	CROP(border, unit)
#define	OFFSET(x)   offsetof(H264MetadataContext, x)
#define	FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)

Enumerations
enum	{ PASS, INSERT, REMOVE, EXTRACT }
enum	{ FLIP_HORIZONTAL = 1, FLIP_VERTICAL = 2 }

Functions
static int	h264_metadata_update_sps (AVBSFContext *bsf, H264RawSPS *sps)
static int	h264_metadata_filter (AVBSFContext *bsf, AVPacket *out)
static int	h264_metadata_init (AVBSFContext *bsf)
static void	h264_metadata_close (AVBSFContext *bsf)

Variables
static const AVOption	h264_metadata_options []
static const AVClass	h264_metadata_class
static enum AVCodecID	h264_metadata_codec_ids []
const AVBitStreamFilter	ff_h264_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 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

)

offsetof(H264MetadataContext, x)

Definition at line 599 of file h264_metadata_bsf.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)

Definition at line 600 of file h264_metadata_bsf.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
PASS
INSERT
REMOVE
EXTRACT

Definition at line 30 of file h264_metadata_bsf.c.

anonymous enum

anonymous enum

Enumerator
FLIP_HORIZONTAL
FLIP_VERTICAL

Definition at line 37 of file h264_metadata_bsf.c.

Function Documentation

h264_metadata_update_sps()

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

static

Definition at line 80 of file h264_metadata_bsf.c.

Referenced by h264_metadata_filter(), and h264_metadata_init().

h264_metadata_filter()

static int h264_metadata_filter ( AVBSFContext *  bsf, AVPacket *  out  )

static

Definition at line 217 of file h264_metadata_bsf.c.

h264_metadata_init()

static int h264_metadata_init ( AVBSFContext *  bsf )

static

Definition at line 555 of file h264_metadata_bsf.c.

h264_metadata_close()

static void h264_metadata_close ( AVBSFContext *  bsf )

static

Definition at line 593 of file h264_metadata_bsf.c.

Variable Documentation

h264_metadata_options

const AVOption h264_metadata_options[]

static

Definition at line 601 of file h264_metadata_bsf.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 690 of file h264_metadata_bsf.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 697 of file h264_metadata_bsf.c.

ff_h264_metadata_bsf

const AVBitStreamFilter ff_h264_metadata_bsf

Initial value:

= {
    .name           = "h264_metadata",
    .priv_data_size = sizeof(H264MetadataContext),
    .priv_class     = &h264_metadata_class,
    .init           = &h264_metadata_init,
    .close          = &h264_metadata_close,
    .filter         = &h264_metadata_filter,
    .codec_ids      = h264_metadata_codec_ids,
}

Definition at line 701 of file h264_metadata_bsf.c.