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Data Structures | Macros | Functions | Variables
xxan.c File Reference
#include "avcodec.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "bytestream.h"
#include "get_bits.h"
#include "internal.h"

Go to the source code of this file.

Data Structures

struct  XanContext
 

Macros

#define BITSTREAM_READER_LE
 

Functions

static av_cold int xan_decode_end (AVCodecContext *avctx)
 
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 *got_frame, AVPacket *avpkt)
 

Variables

AVCodec ff_xan_wc4_decoder
 

Macro Definition Documentation

#define BITSTREAM_READER_LE

Definition at line 27 of file xxan.c.

Function Documentation

static av_cold int xan_decode_end ( AVCodecContext avctx)
static

Definition at line 41 of file xxan.c.

Referenced by xan_decode_init().

static av_cold int xan_decode_init ( AVCodecContext avctx)
static

Definition at line 53 of file xxan.c.

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

Definition at line 89 of file xxan.c.

Referenced by xan_decode_frame_type0(), and xan_decode_frame_type1().

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

Definition at line 131 of file xxan.c.

Referenced by xan_decode_chroma(), and xan_decode_frame_type0().

static int xan_decode_chroma ( AVCodecContext avctx,
unsigned  chroma_off 
)
static

Definition at line 184 of file xxan.c.

Referenced by xan_decode_frame_type0(), and xan_decode_frame_type1().

static int xan_decode_frame_type0 ( AVCodecContext avctx)
static

Definition at line 282 of file xxan.c.

Referenced by xan_decode_frame().

static int xan_decode_frame_type1 ( AVCodecContext avctx)
static

Definition at line 361 of file xxan.c.

Referenced by xan_decode_frame().

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

Definition at line 406 of file xxan.c.

Variable Documentation

AVCodec ff_xan_wc4_decoder
Initial value:
= {
.name = "xan_wc4",
.long_name = NULL_IF_CONFIG_SMALL("Wing Commander IV / Xxan"),
.priv_data_size = sizeof(XanContext),
.close = xan_decode_end,
.capabilities = AV_CODEC_CAP_DR1,
}
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
static int xan_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: xxan.c:406
static av_cold int xan_decode_end(AVCodecContext *avctx)
Definition: xxan.c:41
Definition: xan.c:52
static av_cold int xan_decode_init(AVCodecContext *avctx)
Definition: xxan.c:53
static int decode(AVCodecContext *avctx, void *data, int *got_sub, AVPacket *avpkt)
Definition: ccaption_dec.c:722
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition: avcodec.h:953

Definition at line 441 of file xxan.c.