xxan.c File Reference

#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "bytestream.h"
#include "codec_internal.h"
#include "decode.h"

Go to the source code of this file.

Data Structures
struct	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, AVFrame *rframe, int *got_frame, AVPacket *avpkt)

Variables
const FFCodec	ff_xan_wc4_decoder

Function Documentation

xan_decode_end()

static av_cold int xan_decode_end ( AVCodecContext * avctx )

static

Definition at line 41 of file xxan.c.

xan_decode_init()

static av_cold int xan_decode_init ( AVCodecContext * avctx )

static

Definition at line 53 of file xxan.c.

xan_unpack_luma()

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

static

Definition at line 85 of file xxan.c.

Referenced by xan_decode_frame_type0(), and xan_decode_frame_type1().

xan_unpack()

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

static

Definition at line 127 of file xxan.c.

Referenced by xan_decode_chroma(), and xan_decode_frame_type0().

xan_decode_chroma()

static int xan_decode_chroma ( AVCodecContext * avctx, unsigned chroma_off )

static

Definition at line 180 of file xxan.c.

Referenced by xan_decode_frame_type0(), and xan_decode_frame_type1().

xan_decode_frame_type0()

static int xan_decode_frame_type0 ( AVCodecContext * avctx )

static

Definition at line 278 of file xxan.c.

Referenced by xan_decode_frame().

xan_decode_frame_type1()

static int xan_decode_frame_type1 ( AVCodecContext * avctx )

static

Definition at line 357 of file xxan.c.

Referenced by xan_decode_frame().

xan_decode_frame()

static int xan_decode_frame ( AVCodecContext * avctx, AVFrame * rframe, int * got_frame, AVPacket * avpkt )

static

Definition at line 402 of file xxan.c.

Variable Documentation

ff_xan_wc4_decoder

const FFCodec ff_xan_wc4_decoder

Initial value:

= {
    .p.name         = "xan_wc4",
    CODEC_LONG_NAME("Wing Commander IV / Xxan"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_XAN_WC4,
    .priv_data_size = sizeof(XanContext),
    .init           = xan_decode_init,
    .close          = xan_decode_end,
    FF_CODEC_DECODE_CB(xan_decode_frame),
    .p.capabilities = AV_CODEC_CAP_DR1,
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 436 of file xxan.c.