jvdec.c File Reference

#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "blockdsp.h"
#include "codec_internal.h"
#include "get_bits.h"
#include "internal.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. More...
static void	decode4x4 (GetBitContext *gb, uint8_t *dst, int linesize)
	Decode 4x4 block. More...
static void	decode8x8 (GetBitContext *gb, uint8_t *dst, int linesize, BlockDSPContext *bdsp)
	Decode 8x8 block. More...
static int	decode_frame (AVCodecContext *avctx, AVFrame *rframe, int *got_frame, AVPacket *avpkt)
static av_cold int	decode_close (AVCodecContext *avctx)

Variables
const FFCodec	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

decode_init()

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 43 of file jvdec.c.

decode2x2()

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

inlinestatic

Decode 2x2 block.

Definition at line 66 of file jvdec.c.

Referenced by decode4x4().

decode4x4()

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

inlinestatic

Decode 4x4 block.

Definition at line 93 of file jvdec.c.

Referenced by decode8x8().

decode8x8()

static void decode8x8 ( GetBitContext *  gb, uint8_t *  dst, int  linesize, BlockDSPContext *  bdsp  )

inlinestatic

Decode 8x8 block.

Definition at line 123 of file jvdec.c.

Referenced by decode_frame().

decode_frame()

static int decode_frame ( AVCodecContext *  avctx, AVFrame *  rframe, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 147 of file jvdec.c.

decode_close()

static av_cold int decode_close ( AVCodecContext *  avctx )

static

Definition at line 228 of file jvdec.c.

Variable Documentation

ff_jv_decoder

const FFCodec ff_jv_decoder

Initial value:

= {
    .p.name         = "jv",
    .p.long_name    = NULL_IF_CONFIG_SMALL("Bitmap Brothers JV video"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_JV,
    .priv_data_size = sizeof(JvContext),
    .init           = decode_init,
    .close          = decode_close,
    FF_CODEC_DECODE_CB(decode_frame),
    .p.capabilities = AV_CODEC_CAP_DR1,
    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 237 of file jvdec.c.