mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
88bd7fdc82
It does not help as an abstraction and adds dsputil dependencies. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/*
|
|
* Simple IDCT
|
|
*
|
|
* Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* Libav 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 Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* simple idct header.
|
|
*/
|
|
|
|
#ifndef AVCODEC_SIMPLE_IDCT_H
|
|
#define AVCODEC_SIMPLE_IDCT_H
|
|
|
|
#include <stdint.h>
|
|
|
|
void ff_simple_idct_put_8(uint8_t *dest, int line_size, int16_t *block);
|
|
void ff_simple_idct_add_8(uint8_t *dest, int line_size, int16_t *block);
|
|
void ff_simple_idct_8(int16_t *block);
|
|
|
|
void ff_simple_idct_put_10(uint8_t *dest, int line_size, int16_t *block);
|
|
void ff_simple_idct_add_10(uint8_t *dest, int line_size, int16_t *block);
|
|
void ff_simple_idct_10(int16_t *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(int16_t *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, int16_t *block);
|
|
|
|
void ff_simple_idct84_add(uint8_t *dest, int line_size, int16_t *block);
|
|
void ff_simple_idct48_add(uint8_t *dest, int line_size, int16_t *block);
|
|
void ff_simple_idct44_add(uint8_t *dest, int line_size, int16_t *block);
|
|
|
|
#endif /* AVCODEC_SIMPLE_IDCT_H */
|