47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
|
/*
|
||
|
|
* 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 */
|