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"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_XAN_WC4,
    .priv_data_size = sizeof(XanContext),
    .init           = xan_decode_init,
    .close          = xan_decode_end,
    .decode         = xan_decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1,
}

Definition at line 441 of file xxan.c.