jvdec.c File Reference

Bitmap Brothers JV video decoder. More...

#include "avcodec.h"
#include "dsputil.h"
#include "get_bits.h"
#include "internal.h"
#include "libavutil/intreadwrite.h"

Go to the source code of this file.

Data Structures
struct	JvContext

Functions
static av_cold int	decode_init (AVCodecContext *avctx)
static void	decode2x2 (GetBitContext *gb, uint8_t *dst, int linesize)
	Decode 2x2 block.
static void	decode4x4 (GetBitContext *gb, uint8_t *dst, int linesize)
	Decode 4x4 block.
static void	decode8x8 (GetBitContext *gb, uint8_t *dst, int linesize, DSPContext *dsp)
	Decode 8x8 block.
static int	decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	decode_close (AVCodecContext *avctx)

Variables
AVCodec	ff_jv_decoder

Detailed Description

Bitmap Brothers JV video decoder.

Author

Peter Ross pross.nosp@m.@xvi.nosp@m.d.org

Definition in file jvdec.c.

Function Documentation

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 41 of file jvdec.c.

static void decode2x2 ( GetBitContext *  gb, uint8_t *  dst, int  linesize  )

inlinestatic

Decode 2x2 block.

Definition at line 57 of file jvdec.c.

Referenced by decode4x4().

static void decode4x4 ( GetBitContext *  gb, uint8_t *  dst, int  linesize  )

inlinestatic

Decode 4x4 block.

Definition at line 84 of file jvdec.c.

Referenced by decode8x8().

static void decode8x8 ( GetBitContext *  gb, uint8_t *  dst, int  linesize, DSPContext *  dsp  )

inlinestatic

Decode 8x8 block.

Definition at line 114 of file jvdec.c.

Referenced by decode_frame().

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

static

Definition at line 137 of file jvdec.c.

static av_cold int decode_close ( AVCodecContext *  avctx )

static

Definition at line 205 of file jvdec.c.

Variable Documentation

AVCodec ff_jv_decoder

Initial value:

= {
    .name           = "jv",
    .long_name      = NULL_IF_CONFIG_SMALL("Bitmap Brothers JV video"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_JV,
    .priv_data_size = sizeof(JvContext),
    .init           = decode_init,
    .close          = decode_close,
    .decode         = decode_frame,
    .capabilities   = CODEC_CAP_DR1,
}

Definition at line 214 of file jvdec.c.