aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* Common stuff for some Microsoft Screen codecs
* Copyright (C) 2012 Konstantin Shishkov
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_MSS34DSP_H
#define AVCODEC_MSS34DSP_H
#include <stddef.h>
#include <stdint.h>
/**
* Generate quantisation matrix for given quality.
*
* @param qmat destination matrix
* @param quality quality setting (1-100)
* @param luma generate quantisation matrix for luma or chroma
*/
void ff_mss34_gen_quant_mat(uint16_t *qmat, int quality, int luma);
/**
* Transform and output DCT block.
*
* @param dst output plane
* @param stride output plane stride
* @param block block to transform and output
*/
void ff_mss34_dct_put(uint8_t *dst, ptrdiff_t stride, int *block);
#endif /* AVCODEC_MSS34DSP_H */
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