third_party_ffmpeg/libavcodec/hq_hqadsp.h
Vittorio Giovara 22526c1f55 Canopus HQ/HQA decoder
Based on work by Kostya Shishkov <kostya.shishkov@gmail.com>.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
2015-04-19 22:37:23 +01:00

39 lines
1.1 KiB
C

/*
* Canopus HQ/HQA decoder
*
* 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
* 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 */