2015-04-09 16:12:30 +00:00
|
|
|
/*
|
|
|
|
* Canopus HQ/HQA decoder
|
|
|
|
*
|
2015-04-20 03:28:13 +00:00
|
|
|
* This file is part of FFmpeg.
|
2015-04-09 16:12:30 +00:00
|
|
|
*
|
2015-04-20 03:28:13 +00:00
|
|
|
* FFmpeg is free software; you can redistribute it and/or
|
2015-04-09 16:12:30 +00:00
|
|
|
* 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.
|
|
|
|
*
|
2015-04-20 03:28:13 +00:00
|
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
2015-04-09 16:12:30 +00:00
|
|
|
* 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
|
2015-04-20 03:28:13 +00:00
|
|
|
* License along with FFmpeg; if not, write to the Free Software
|
2015-04-09 16:12:30 +00:00
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
*/
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @file
|
|
|
|
* HQ/HQA variant of AAN IDCT
|
|
|
|
* It differs from the standard AAN IDCT in precision and in the second stage.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef AVCODEC_HQ_HQADSP_H
|
|
|
|
#define AVCODEC_HQ_HQADSP_H
|
|
|
|
|
|
|
|
#include <stdint.h>
|
|
|
|
|
|
|
|
typedef struct HQDSPContext {
|
|
|
|
void (*idct_put)(uint8_t *dst, int stride, int16_t *block);
|
|
|
|
} HQDSPContext;
|
|
|
|
|
|
|
|
void ff_hqdsp_init(HQDSPContext *c);
|
|
|
|
|
|
|
|
#endif /* AVCODEC_HQ_HQADSP_H */
|