1 /* 2 * ScreenPressor version 3 decoder 3 * 4 * Copyright (c) 2017 Paul B Mahol 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23 #ifndef AVCODEC_SCPR3_H 24 #define AVCODEC_SCPR3_H 25 26 #include <stdint.h> 27 28 typedef struct PixelModel3 { 29 uint8_t type; 30 uint8_t length; 31 uint8_t maxpos; 32 uint8_t fshift; 33 uint16_t size; 34 uint32_t cntsum; 35 uint8_t symbols[256]; 36 uint16_t freqs[256]; 37 uint16_t freqs1[256]; 38 uint16_t cnts[256]; 39 uint8_t dectab[32]; 40 } PixelModel3; 41 42 typedef struct FillModel3 { 43 uint32_t cntsum; 44 uint16_t freqs[2][5]; 45 uint16_t cnts[5]; 46 uint8_t dectab[32]; 47 } FillModel3; 48 49 typedef struct OpModel3 { 50 uint32_t cntsum; 51 uint16_t freqs[2][6]; 52 uint16_t cnts[6]; 53 uint8_t dectab[32]; 54 } OpModel3; 55 56 typedef struct RunModel3 { 57 uint32_t cntsum; 58 uint16_t freqs[2][256]; 59 uint16_t cnts[256]; 60 uint8_t dectab[32]; 61 } RunModel3; 62 63 typedef struct SxyModel3 { 64 uint32_t cntsum; 65 uint16_t freqs[2][16]; 66 uint16_t cnts[16]; 67 uint8_t dectab[32]; 68 } SxyModel3; 69 70 typedef struct MVModel3 { 71 uint32_t cntsum; 72 uint16_t freqs[2][512]; 73 uint16_t cnts[512]; 74 uint8_t dectab[32]; 75 } MVModel3; 76 77 #endif /* AVCODEC_SCPR3_H */ 78