libavcodec/dvbsub.c File Reference

#include "avcodec.h"
#include "bytestream.h"
#include "libavutil/colorspace.h"

Go to the source code of this file.

Data Structures

struct  DVBSubtitleContext

Defines

#define PUTBITS2(val)
#define PUTBITS4(val)

Functions

static void dvb_encode_rle2 (uint8_t **pq, const uint8_t *bitmap, int linesize, int w, int h)
static void dvb_encode_rle4 (uint8_t **pq, const uint8_t *bitmap, int linesize, int w, int h)
static int encode_dvb_subtitles (DVBSubtitleContext *s, uint8_t *outbuf, AVSubtitle *h)
static int dvbsub_encode (AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data)

Variables

AVCodec ff_dvbsub_encoder


Define Documentation

#define PUTBITS2 ( val   ) 

Value:

{\
    bitbuf |= (val) << bitcnt;\
    bitcnt -= 2;\
    if (bitcnt < 0) {\
        bitcnt = 6;\
        *q++ = bitbuf;\
        bitbuf = 0;\
    }\
}

Definition at line 30 of file dvbsub.c.

Referenced by dvb_encode_rle2().

#define PUTBITS4 ( val   ) 

Value:

{\
    bitbuf |= (val) << bitcnt;\
    bitcnt -= 4;\
    if (bitcnt < 0) {\
        bitcnt = 4;\
        *q++ = bitbuf;\
        bitbuf = 0;\
    }\
}

Definition at line 117 of file dvbsub.c.

Referenced by dvb_encode_rle4().


Function Documentation

static void dvb_encode_rle2 ( uint8_t **  pq,
const uint8_t *  bitmap,
int  linesize,
int  w,
int  h 
) [static]

Definition at line 41 of file dvbsub.c.

Referenced by encode_dvb_subtitles().

static void dvb_encode_rle4 ( uint8_t **  pq,
const uint8_t *  bitmap,
int  linesize,
int  w,
int  h 
) [static]

Definition at line 129 of file dvbsub.c.

Referenced by encode_dvb_subtitles().

static int dvbsub_encode ( AVCodecContext avctx,
unsigned char *  buf,
int  buf_size,
void *  data 
) [static]

Definition at line 394 of file dvbsub.c.

static int encode_dvb_subtitles ( DVBSubtitleContext s,
uint8_t *  outbuf,
AVSubtitle h 
) [static]

Definition at line 197 of file dvbsub.c.

Referenced by dvbsub_encode().


Variable Documentation

Initial value:

 {
    "dvbsub",
    AVMEDIA_TYPE_SUBTITLE,
    CODEC_ID_DVB_SUBTITLE,
    sizeof(DVBSubtitleContext),
    NULL,
    dvbsub_encode,
    .long_name = NULL_IF_CONFIG_SMALL("DVB subtitles"),
}

Definition at line 405 of file dvbsub.c.


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