xxan.c File Reference
#include "avcodec.h"
#include "libavutil/intreadwrite.h"
#include "bytestream.h"
#include "get_bits.h"
#include "libavutil/lzo.h"

Go to the source code of this file.

Data Structures

struct  XanContext

Macros

#define BITSTREAM_READER_LE

Typedefs

typedef struct XanContext XanContext

Functions

static av_cold int xan_decode_init (AVCodecContext *avctx)
static int xan_unpack_luma (XanContext *s, uint8_t *dst, const int dst_size)
static int xan_unpack (XanContext *s, uint8_t *dest, const int dest_len)
static int xan_decode_chroma (AVCodecContext *avctx, unsigned chroma_off)
static int xan_decode_frame_type0 (AVCodecContext *avctx)
static int xan_decode_frame_type1 (AVCodecContext *avctx)
static int xan_decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static av_cold int xan_decode_end (AVCodecContext *avctx)

Variables

AVCodec ff_xan_wc4_decoder

Macro Definition Documentation

#define BITSTREAM_READER_LE

Definition at line 26 of file xxan.c.

Typedef Documentation

typedef struct XanContext XanContext

Function Documentation

static int xan_decode_chroma ( AVCodecContext avctx,
unsigned  chroma_off 
)
static

Definition at line 162 of file xxan.c.

Referenced by xan_decode_frame_type0(), and xan_decode_frame_type1().

static av_cold int xan_decode_end ( AVCodecContext avctx)
static

Definition at line 407 of file xxan.c.

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

Definition at line 368 of file xxan.c.

static int xan_decode_frame_type0 ( AVCodecContext avctx)
static

Definition at line 244 of file xxan.c.

Referenced by xan_decode_frame().

static int xan_decode_frame_type1 ( AVCodecContext avctx)
static

Definition at line 323 of file xxan.c.

Referenced by xan_decode_frame().

static av_cold int xan_decode_init ( AVCodecContext avctx)
static

Definition at line 41 of file xxan.c.

static int xan_unpack ( XanContext s,
uint8_t *  dest,
const int  dest_len 
)
static

Definition at line 109 of file xxan.c.

Referenced by xan_decode_chroma(), and xan_decode_frame_type0().

static int xan_unpack_luma ( XanContext s,
uint8_t *  dst,
const int  dst_size 
)
static

Definition at line 67 of file xxan.c.

Referenced by xan_decode_frame_type0(), and xan_decode_frame_type1().

Variable Documentation

AVCodec ff_xan_wc4_decoder
Initial value:
{
.name = "xan_wc4",
.priv_data_size = sizeof(XanContext),
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("Wing Commander IV / Xxan"),
}

Definition at line 420 of file xxan.c.