qpeg.c File Reference

QPEG codec. More...

#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	QpegContext

Functions
static void	qpeg_decode_intra (QpegContext *qctx, uint8_t *dst, int stride, int width, int height)
static void av_noinline	qpeg_decode_inter (QpegContext *qctx, uint8_t *dst, int stride, int width, int height, int delta, const uint8_t *ctable, uint8_t *refdata)
static int	decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static void	decode_flush (AVCodecContext *avctx)
static av_cold int	decode_end (AVCodecContext *avctx)
static av_cold int	decode_init (AVCodecContext *avctx)

Variables
static const int	qpeg_table_h [16]
static const int	qpeg_table_w [16]
AVCodec	ff_qpeg_decoder

Detailed Description

QPEG codec.

Definition in file qpeg.c.

Function Documentation

static void qpeg_decode_intra ( QpegContext *  qctx, uint8_t *  dst, int  stride, int  width, int  height  )

static

Definition at line 38 of file qpeg.c.

Referenced by decode_frame().

static void av_noinline qpeg_decode_inter ( QpegContext *  qctx, uint8_t *  dst, int  stride, int  width, int  height, int  delta, const uint8_t *  ctable, uint8_t *  refdata  )

static

Definition at line 113 of file qpeg.c.

Referenced by decode_frame().

static int decode_frame ( AVCodecContext *  avctx, void *  data, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 253 of file qpeg.c.

static void decode_flush ( AVCodecContext *  avctx )

static

Definition at line 307 of file qpeg.c.

Referenced by decode_init().

static av_cold int decode_end ( AVCodecContext *  avctx )

static

Definition at line 319 of file qpeg.c.

Referenced by decode_init().

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 329 of file qpeg.c.

Variable Documentation

const int qpeg_table_h[16]

static

Initial value:

=
 { 0x00, 0x20, 0x20, 0x20, 0x18, 0x10, 0x10, 0x20, 0x10, 0x08, 0x18, 0x08, 0x08, 0x18, 0x10, 0x04}

Definition at line 107 of file qpeg.c.

Referenced by qpeg_decode_inter().

const int qpeg_table_w[16]

static

Initial value:

=
 { 0x00, 0x20, 0x18, 0x08, 0x18, 0x10, 0x20, 0x10, 0x08, 0x10, 0x20, 0x20, 0x08, 0x10, 0x18, 0x04}

Definition at line 109 of file qpeg.c.

Referenced by qpeg_decode_inter().

AVCodec ff_qpeg_decoder

Initial value:

= {
    .name           = "qpeg",
    .long_name      = NULL_IF_CONFIG_SMALL("Q-team QPEG"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_QPEG,
    .priv_data_size = sizeof(QpegContext),
    .init           = decode_init,
    .close          = decode_end,
    .decode         = decode_frame,
    .flush          = decode_flush,
    .capabilities   = AV_CODEC_CAP_DR1,
}

Definition at line 347 of file qpeg.c.