mdec.c File Reference

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

#include "avcodec.h"
#include "mpegvideo.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_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.

Function Documentation

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

inlinestatic

Definition at line 54 of file mdec.c.

Referenced by decode_mb().

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

inlinestatic

Definition at line 121 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 138 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 158 of file mdec.c.

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 202 of file mdec.c.

static av_cold int decode_init_thread_copy ( AVCodecContext *  avctx )

static

Definition at line 222 of file mdec.c.

static av_cold int decode_end ( AVCodecContext *  avctx )

static

Definition at line 231 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)"),
    .type             = AVMEDIA_TYPE_VIDEO,
    .id               = AV_CODEC_ID_MDEC,
    .priv_data_size   = sizeof(MDECContext),
    .init             = decode_init,
    .close            = decode_end,
    .decode           = decode_frame,
    .capabilities     = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
    .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy)
}

Definition at line 241 of file mdec.c.