jvdec.c File Reference

Bitmap Brothers JV video decoder. More...

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

Go to the source code of this file.

Data Structures

struct  JvContext

Typedefs

typedef struct JvContext 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 *data_size, 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.

Typedef Documentation

typedef struct JvContext JvContext

Function Documentation

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

Decode 2x2 block.

Definition at line 59 of file jvdec.c.

Referenced by decode4x4().

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

Decode 4x4 block.

Definition at line 86 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 116 of file jvdec.c.

Referenced by decode_frame().

static av_cold int decode_close ( AVCodecContext avctx)
static

Definition at line 203 of file jvdec.c.

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

Definition at line 139 of file jvdec.c.

static av_cold int decode_init ( AVCodecContext avctx)
static

Definition at line 40 of file jvdec.c.

Variable Documentation

AVCodec ff_jv_decoder
Initial value:
{
.name = "jv",
.long_name = NULL_IF_CONFIG_SMALL("Bitmap Brothers JV video"),
.id = CODEC_ID_JV,
.priv_data_size = sizeof(JvContext),
.capabilities = CODEC_CAP_DR1,
}

Definition at line 213 of file jvdec.c.