mdec.c File Reference

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

#include "libavutil/mem.h"
#include "libavutil/mem_internal.h"
#include "avcodec.h"
#include "blockdsp.h"
#include "bswapdsp.h"
#include "codec_internal.h"
#include "idctdsp.h"
#include "mpeg12data.h"
#include "mpeg12dec.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, AVFrame *frame, int *got_frame, AVPacket *avpkt)
static av_cold int	decode_init (AVCodecContext *avctx)
static av_cold int	decode_end (AVCodecContext *avctx)

Variables
const FFCodec	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

mdec_decode_block_intra()

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

inlinestatic

Definition at line 62 of file mdec.c.

Referenced by decode_mb().

decode_mb()

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

inlinestatic

Definition at line 132 of file mdec.c.

Referenced by decode_frame().

idct_put()

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

inlinestatic

Definition at line 149 of file mdec.c.

Referenced by decode_frame().

decode_frame()

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

static

Definition at line 169 of file mdec.c.

decode_init()

static av_cold int decode_init ( AVCodecContext * avctx )

static

Definition at line 212 of file mdec.c.

decode_end()

static av_cold int decode_end ( AVCodecContext * avctx )

static

Definition at line 242 of file mdec.c.

Variable Documentation

ff_mdec_decoder

const FFCodec ff_mdec_decoder

Initial value:

= {
    .p.name           = "mdec",
    CODEC_LONG_NAME("Sony PlayStation MDEC (Motion DECoder)"),
    .p.type           = AVMEDIA_TYPE_VIDEO,
    .p.id             = AV_CODEC_ID_MDEC,
    .priv_data_size   = sizeof(MDECContext),
    .init             = decode_init,
    .close            = decode_end,
    FF_CODEC_DECODE_CB(decode_frame),
    .p.capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
}

Definition at line 252 of file mdec.c.