blob: 29c61e34f37c16abf9e3b9aaf104cc830d8722cc
| 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 |