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Data Structures | Functions | Variables
mdec.c File Reference

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

#include "avcodec.h"
#include "blockdsp.h"
#include "bswapdsp.h"
#include "idctdsp.h"
#include "mpeg12.h"
#include "thread.h"

Go to the source code of this file.

Data Structures

struct  MDECContext
 

Functions

static int mdec_decode_block_intra (MDECContext *a, int16_t *block, int n)
 
static int decode_mb (MDECContext *a, int16_t block[6][64])
 
static void idct_put (MDECContext *a, AVFrame *frame, int mb_x, int mb_y)
 
static int decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
 
static av_cold int decode_init (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.

Function Documentation

static int mdec_decode_block_intra ( MDECContext a,
int16_t *  block,
int  n 
)
inlinestatic

Definition at line 58 of file mdec.c.

Referenced by decode_mb().

static int decode_mb ( MDECContext a,
int16_t  block[6][64] 
)
inlinestatic

Definition at line 131 of file mdec.c.

Referenced by decode_frame().

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

Definition at line 148 of file mdec.c.

Referenced by decode_frame().

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

Definition at line 168 of file mdec.c.

static av_cold int decode_init ( AVCodecContext avctx)
static

Definition at line 212 of file mdec.c.

static av_cold int decode_end ( AVCodecContext avctx)
static

Definition at line 247 of file mdec.c.

Variable Documentation

AVCodec ff_mdec_decoder
Initial value:
= {
.name = "mdec",
.long_name = NULL_IF_CONFIG_SMALL("Sony PlayStation MDEC (Motion DECoder)"),
.priv_data_size = sizeof(MDECContext),
.close = decode_end,
.init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy)
}
static int init_thread_copy(AVCodecContext *avctx)
Definition: tta.c:392
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: mdec.c:168
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
#define AV_CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
Definition: avcodec.h:1021
#define ONLY_IF_THREADS_ENABLED(x)
Define a function with only the non-default version specified.
Definition: internal.h:215
static av_cold int decode_end(AVCodecContext *avctx)
Definition: mdec.c:247
static int decode(AVCodecContext *avctx, void *data, int *got_sub, AVPacket *avpkt)
Definition: ccaption_dec.c:750
static av_cold int decode_init(AVCodecContext *avctx)
Definition: mdec.c:212
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition: avcodec.h:958

Definition at line 257 of file mdec.c.