#ifndef WH_SIMPLE_IDCT_H_97d3af3c_
#define WH_SIMPLE_IDCT_H_97d3af3c_

/*
 * This file was stolen from ffmpeg and modified for usability here.
 *  The original is
 * 
 * Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at>
 *
 * This version is a derivative work of that version.  It is not free
 *  software; it is licensed under the GNU Lesser General Public
 *  License version 2.1, which places nontrivial restrictions on what
 *  may be done with it.  (I'm not terribly happy about that, but for
 *  my purposes accepting LGPL-infected code is a lower price than
 *  reimplementing it all myself.)
 *
 * The LGPL v2.1 as distributed with ffmpeg is in the accompanying file
 *  `LGPL-v2.1'.
 */

void ff_simple_idct_put_8(uint8_t *dest, int line_size, DCTELEM *block);
void ff_simple_idct_add_8(uint8_t *dest, int line_size, DCTELEM *block);
void ff_simple_idct_8(DCTELEM *block);

void ff_simple_idct_put_10(uint8_t *dest, int line_size, DCTELEM *block);
void ff_simple_idct_add_10(uint8_t *dest, int line_size, DCTELEM *block);
void ff_simple_idct_10(DCTELEM *block);
/**
 * Special version of ff_simple_idct_10() which does dequantization
 * and scales by a factor of 2 more between the two IDCTs to account
 * for larger scale of input coefficients.
 */
void ff_prores_idct(DCTELEM *block, const int16_t *qmat);

void ff_simple_idct_mmx(int16_t *block);
void ff_simple_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block);
void ff_simple_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block);

void ff_simple_idct248_put(uint8_t *dest, int line_size, DCTELEM *block);

void ff_simple_idct84_add(uint8_t *dest, int line_size, DCTELEM *block);
void ff_simple_idct48_add(uint8_t *dest, int line_size, DCTELEM *block);
void ff_simple_idct44_add(uint8_t *dest, int line_size, DCTELEM *block);

#endif