dct.h

图象压缩程序

/*****************************************************************************
 * dct.h: h264 encoder library
 *****************************************************************************
 * Copyright (C) 2003 Laurent Aimar
 * $Id: dct.h,v 1.1 2003/11/09 23:25:04 fenrir Exp $
 *
 * Authors: Laurent Aimar <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

#ifndef _DCT_H
#define _DCT_H 1

typedef struct
{
    void (*dct4x4)   ( int16_t dct[4][4],  int16_t diff[4][4] );
    void (*dct4x4dc) ( int16_t dct[4][4],  int16_t diff[4][4] );
    void (*idct4x4)  ( int16_t diff[4][4], int16_t dct[4][4] );
    void (*idct4x4dc)( int16_t diff[4][4], int16_t dct[4][4] );

    void (*dct2x2dc) ( int16_t dct[2][2],  int16_t diff[2][2] );
    void (*idct2x2dc)( int16_t diff[2][2], int16_t dct[2][2] );

} x264_dct_function_t;

void x264_dct_init( int cpu, x264_dct_function_t *dctf );

#endif