Libav
Data Structures | Functions | Variables
dxa.c File Reference

DXA Video decoder. More...

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

Go to the source code of this file.

Data Structures

struct  DxaDecContext
 

Functions

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

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.

Function Documentation

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

Definition at line 51 of file dxa.c.

Referenced by decode_frame().

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

Definition at line 192 of file dxa.c.

static av_cold int decode_init ( AVCodecContext avctx)
static

Definition at line 301 of file dxa.c.

static av_cold int decode_end ( AVCodecContext avctx)
static

Definition at line 320 of file dxa.c.

Variable Documentation

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

Definition at line 48 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 49 of file dxa.c.

Referenced by decode_13(), predictor_decode_mono_3800(), and predictor_decode_stereo_3800().

AVCodec ff_dxa_decoder
Initial value:
= {
.name = "dxa",
.long_name = NULL_IF_CONFIG_SMALL("Feeble Files/ScummVM DXA"),
.priv_data_size = sizeof(DxaDecContext),
.capabilities = CODEC_CAP_DR1,
}
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: dxa.c:192
static av_cold int decode_end(AVCodecContext *avctx)
Definition: dxa.c:320
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
Definition: mimic.c:269
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition: avcodec.h:711
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:142
static void close(AVCodecParserContext *s)
Definition: h264_parser.c:489
static av_cold int decode_init(AVCodecContext *avctx)
Definition: dxa.c:301
static av_cold int init(AVCodecParserContext *s)
Definition: h264_parser.c:498

Definition at line 330 of file dxa.c.