mdec.c File Reference

Sony PlayStation MDEC (Motion DECoder) This is very similar to intra-only MPEG-1. More...

#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "mpeg12.h"
#include "thread.h"

Go to the source code of this file.

Data Structures

struct  MDECContext

Typedefs

typedef struct MDECContext MDECContext

Functions

static int mdec_decode_block_intra (MDECContext *a, DCTELEM *block, int n)
static int decode_mb (MDECContext *a, DCTELEM block[6][64])
static void idct_put (MDECContext *a, int mb_x, int mb_y)
static int decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static av_cold void mdec_common_init (AVCodecContext *avctx)
static av_cold int decode_init (AVCodecContext *avctx)
static av_cold int decode_init_thread_copy (AVCodecContext *avctx)
static av_cold int decode_end (AVCodecContext *avctx)

Variables

AVCodec ff_mdec_decoder

Detailed Description

Sony PlayStation MDEC (Motion DECoder) This is very similar to intra-only MPEG-1.

Definition in file mdec.c.

Typedef Documentation

typedef struct MDECContext MDECContext

Function Documentation

static av_cold int decode_end ( AVCodecContext avctx)
static

Definition at line 255 of file mdec.c.

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

Definition at line 155 of file mdec.c.

static av_cold int decode_init ( AVCodecContext avctx)
static

Definition at line 226 of file mdec.c.

static av_cold int decode_init_thread_copy ( AVCodecContext avctx)
static

Definition at line 243 of file mdec.c.

static int decode_mb ( MDECContext a,
DCTELEM  block[6][64] 
)
inlinestatic

Definition at line 122 of file mdec.c.

Referenced by decode_frame().

static void idct_put ( MDECContext a,
int  mb_x,
int  mb_y 
)
inlinestatic

Definition at line 136 of file mdec.c.

Referenced by decode_frame().

static av_cold void mdec_common_init ( AVCodecContext avctx)
static

Definition at line 214 of file mdec.c.

Referenced by decode_init().

static int mdec_decode_block_intra ( MDECContext a,
DCTELEM block,
int  n 
)
inlinestatic

Definition at line 55 of file mdec.c.

Referenced by decode_mb().

Variable Documentation

AVCodec ff_mdec_decoder
Initial value:
{
.name = "mdec",
.priv_data_size = sizeof(MDECContext),
.long_name= NULL_IF_CONFIG_SMALL("Sony PlayStation MDEC (Motion DECoder)"),
}

Definition at line 267 of file mdec.c.