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"
Include dependency graph for xxan.c:

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_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.

Typedef Documentation

typedef struct XanContext XanContext

Function Documentation

static int xan_decode_chroma ( AVCodecContext avctx,
unsigned  chroma_off 
)
static

Definition at line 170 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 430 of file xxan.c.

Referenced by xan_decode_init().

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

Definition at line 395 of file xxan.c.

static int xan_decode_frame_type0 ( AVCodecContext avctx)
static

Definition at line 268 of file xxan.c.

Referenced by xan_decode_frame().

static int xan_decode_frame_type1 ( AVCodecContext avctx)
static

Definition at line 349 of file xxan.c.

Referenced by xan_decode_frame().

static av_cold int xan_decode_init ( AVCodecContext avctx)
static

Definition at line 43 of file xxan.c.

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

Definition at line 117 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 75 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"),
}
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
static int xan_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: xxan.c:395
static av_cold int xan_decode_end(AVCodecContext *avctx)
Definition: xxan.c:430
static void close(AVCodecParserContext *s)
Definition: h264_parser.c:375
static av_cold int xan_decode_init(AVCodecContext *avctx)
Definition: xxan.c:43
struct XanContext XanContext
static int decode(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: crystalhd.c:868

Definition at line 442 of file xxan.c.