1 /* 2 * Common stuff for some Microsoft Screen codecs 3 * Copyright (C) 2012 Konstantin Shishkov 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 #ifndef AVCODEC_MSS34DSP_H 23 #define AVCODEC_MSS34DSP_H 24 25 #include <stddef.h> 26 #include <stdint.h> 27 28 /** 29 * Generate quantisation matrix for given quality. 30 * 31 * @param qmat destination matrix 32 * @param quality quality setting (1-100) 33 * @param luma generate quantisation matrix for luma or chroma 34 */ 35 void ff_mss34_gen_quant_mat(uint16_t *qmat, int quality, int luma); 36 37 /** 38 * Transform and output DCT block. 39 * 40 * @param dst output plane 41 * @param stride output plane stride 42 * @param block block to transform and output 43 */ 44 void ff_mss34_dct_put(uint8_t *dst, ptrdiff_t stride, int *block); 45 46 #endif /* AVCODEC_MSS34DSP_H */ 47