pgs_frame_merge.c File Reference

This bitstream filter merges PGS subtitle packets containing incomplete set of segments into a single packet. More...

#include "libavutil/attributes.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "libavcodec/bsf.h"
#include "libavcodec/bsf_internal.h"

Go to the source code of this file.

Data Structures
struct	PGSMergeContext

Enumerations
enum	PGSSegmentType {   PALETTE_SEGMENT = 0x14 , OBJECT_SEGMENT = 0x15 , PRESENTATION_SEGMENT = 0x16 , WINDOW_SEGMENT = 0x17 ,   END_DISPLAY_SET_SEGMENT = 0x80 }

Functions
static av_cold void	frame_merge_flush (AVBSFContext *bsf)
static int	frame_merge_output (PGSMergeContext *ctx, AVPacket *dst, AVPacket *src)
static int	frame_merge_filter (AVBSFContext *bsf, AVPacket *out)
static av_cold int	frame_merge_init (AVBSFContext *bsf)
static av_cold void	frame_merge_close (AVBSFContext *bsf)

Variables
static enum AVCodecID	frame_merge_codec_ids []
const FFBitStreamFilter	ff_pgs_frame_merge_bsf

Detailed Description

This bitstream filter merges PGS subtitle packets containing incomplete set of segments into a single packet.

Packets already containing a complete set of segments will be passed through unchanged.

Definition in file pgs_frame_merge.c.

Enumeration Type Documentation

PGSSegmentType

enum PGSSegmentType

Enumerator
PALETTE_SEGMENT
OBJECT_SEGMENT
PRESENTATION_SEGMENT
WINDOW_SEGMENT
END_DISPLAY_SET_SEGMENT

Definition at line 36 of file pgs_frame_merge.c.

Function Documentation

frame_merge_flush()

static av_cold void frame_merge_flush ( AVBSFContext * bsf )

static

Definition at line 50 of file pgs_frame_merge.c.

Referenced by frame_merge_filter().

frame_merge_output()

static int frame_merge_output ( PGSMergeContext * ctx, AVPacket * dst, AVPacket * src )

static

Definition at line 59 of file pgs_frame_merge.c.

Referenced by frame_merge_filter().

frame_merge_filter()

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

static

Definition at line 70 of file pgs_frame_merge.c.

frame_merge_init()

static av_cold int frame_merge_init ( AVBSFContext * bsf )

static

Definition at line 159 of file pgs_frame_merge.c.

frame_merge_close()

static av_cold void frame_merge_close ( AVBSFContext * bsf )

static

Definition at line 171 of file pgs_frame_merge.c.

Variable Documentation

frame_merge_codec_ids

enum AVCodecID frame_merge_codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_HDMV_PGS_SUBTITLE, AV_CODEC_ID_NONE,
}

Definition at line 179 of file pgs_frame_merge.c.

ff_pgs_frame_merge_bsf

const FFBitStreamFilter ff_pgs_frame_merge_bsf

Initial value:

= {
    .p.name         = "pgs_frame_merge",
    .p.codec_ids    = frame_merge_codec_ids,
    .priv_data_size = sizeof(PGSMergeContext),
    .init           = frame_merge_init,
    .flush          = frame_merge_flush,
    .close          = frame_merge_close,
    .filter         = frame_merge_filter,
}

Definition at line 183 of file pgs_frame_merge.c.