FFmpeg/libavcodec/simple_idct.h

/*
 * Simple IDCT
 *
 * Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

void simple_idct_put(UINT8 *dest, int line_size, INT16 *block);
void simple_idct_add(UINT8 *dest, int line_size, INT16 *block);
void ff_simple_idct_mmx(short *block);
void ff_simple_idct_add_mmx(UINT8 *dest, int line_size, INT16 *block);
void ff_simple_idct_put_mmx(UINT8 *dest, int line_size, INT16 *block);
void simple_idct(short *block);

void simple_idct248_put(UINT8 *dest, int line_size, INT16 *block);

void simple_idct84_add(UINT8 *dest, int line_size, INT16 *block);
void simple_idct48_add(UINT8 *dest, int line_size, INT16 *block);