libavcodec/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
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@xvid.org>

Definition in file jvdec.c.

---

Function Documentation

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

Decode 2x2 block.

Definition at line 51 of file jvdec.c.

Referenced by decode4x4().

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

Decode 4x4 block.

Definition at line 78 of file jvdec.c.

Referenced by decode8x8().

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

Decode 8x8 block.

Definition at line 108 of file jvdec.c.

Referenced by decode_frame().

static av_cold int decode_close

(

AVCodecContext *

avctx

)

[static]

Definition at line 200 of file jvdec.c.

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

Definition at line 131 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"),
    .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 210 of file jvdec.c.