dxa.c File Reference

DXA Video decoder. More...

#include <stdio.h>
#include <stdlib.h>
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include <zlib.h>

Go to the source code of this file.

Data Structures

struct  DxaDecContext

Typedefs

typedef struct DxaDecContext DxaDecContext

Functions

static int decode_13 (AVCodecContext *avctx, DxaDecContext *c, uint8_t *dst, uint8_t *src, uint8_t *ref)
static int decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static av_cold int decode_init (AVCodecContext *avctx)
static av_cold int decode_end (AVCodecContext *avctx)

Variables

static const int shift1 [6] = { 0, 8, 8, 8, 4, 4 }
static const int shift2 [6] = { 0, 0, 8, 4, 0, 4 }
AVCodec ff_dxa_decoder

Detailed Description

DXA Video decoder.

Definition in file dxa.c.

Typedef Documentation

typedef struct DxaDecContext DxaDecContext

Function Documentation

static int decode_13 ( AVCodecContext avctx,
DxaDecContext c,
uint8_t *  dst,
uint8_t *  src,
uint8_t *  ref 
)
static

Definition at line 50 of file dxa.c.

Referenced by decode_frame().

static av_cold int decode_end ( AVCodecContext avctx)
static

Definition at line 313 of file dxa.c.

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

Definition at line 191 of file dxa.c.

static av_cold int decode_init ( AVCodecContext avctx)
static

Definition at line 297 of file dxa.c.

Variable Documentation

AVCodec ff_dxa_decoder
Initial value:
{
.name = "dxa",
.id = CODEC_ID_DXA,
.priv_data_size = sizeof(DxaDecContext),
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("Feeble Files/ScummVM DXA"),
}

Definition at line 326 of file dxa.c.

const int shift1[6] = { 0, 8, 8, 8, 4, 4 }
static

Definition at line 47 of file dxa.c.

Referenced by decode_13(), and dnxhd_decode_macroblock().

const int shift2[6] = { 0, 0, 8, 4, 0, 4 }
static

Definition at line 48 of file dxa.c.

Referenced by decode_13(), and gmc().