4xm.c File Reference

4XM codec. More...

#include <inttypes.h>
#include "libavutil/avassert.h"
#include "libavutil/frame.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "blockdsp.h"
#include "bswapdsp.h"
#include "bytestream.h"
#include "get_bits.h"
#include "internal.h"

Classes
struct	CFrameBuffer
struct	FourXContext

Macros
#define	BLOCK_TYPE_VLC_BITS   5
#define	ACDC_VLC_BITS   9
#define	CFRAME_BUFFER_COUNT   100
#define	FIX_1_082392200   70936
#define	FIX_1_414213562   92682
#define	FIX_1_847759065   121095
#define	FIX_2_613125930   171254
#define	MULTIPLY(var, const)   (((var) * (const)) >> 16)
#define	LE_CENTRIC_MUL(dst, src, scale, dc)

Typedefs
typedef struct CFrameBuffer	CFrameBuffer
typedef struct FourXContext	FourXContext

Variables
AVCodec	ff_fourxm_decoder

Detailed Description

4XM codec.

Macro Definition Documentation

LE_CENTRIC_MUL

#define LE_CENTRIC_MUL	(		dst,
			src,
			scale,
			dc
	)

Value:

{                                                    \
        unsigned tmpval = AV_RN32(src) * (scale) + (dc); \
        AV_WN32A(dst, tmpval);                           \
    }

Variable Documentation

ff_fourxm_decoder

AVCodec ff_fourxm_decoder

Initial value:

= {
    .name           = "4xm",
    .long_name      = NULL_IF_CONFIG_SMALL("4X Movie"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_4XM,
    .priv_data_size = sizeof(FourXContext),
    .init           = decode_init,
    .close          = decode_end,
    .decode         = decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1,
}