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 <stdio.h> 27 #include <stdlib.h> 28 #include <string.h> 29 30 #include "avcodec.h" 31 #include "internal.h" 32 33 typedef struct PixelModel3 { 34 uint8_t type; 35 uint8_t length; 36 uint8_t maxpos; 37 uint8_t fshift; 38 uint16_t size; 39 uint32_t cntsum; 40 uint8_t symbols[256]; 41 uint16_t freqs[256]; 42 uint16_t freqs1[256]; 43 uint16_t cnts[256]; 44 uint8_t dectab[32]; 45 } PixelModel3; 46 47 typedef struct FillModel3 { 48 uint32_t cntsum; 49 uint16_t freqs[2][5]; 50 uint16_t cnts[5]; 51 uint8_t dectab[32]; 52 } FillModel3; 53 54 typedef struct OpModel3 { 55 uint32_t cntsum; 56 uint16_t freqs[2][6]; 57 uint16_t cnts[6]; 58 uint8_t dectab[32]; 59 } OpModel3; 60 61 typedef struct RunModel3 { 62 uint32_t cntsum; 63 uint16_t freqs[2][256]; 64 uint16_t cnts[256]; 65 uint8_t dectab[32]; 66 } RunModel3; 67 68 typedef struct SxyModel3 { 69 uint32_t cntsum; 70 uint16_t freqs[2][16]; 71 uint16_t cnts[16]; 72 uint8_t dectab[32]; 73 } SxyModel3; 74 75 typedef struct MVModel3 { 76 uint32_t cntsum; 77 uint16_t freqs[2][512]; 78 uint16_t cnts[512]; 79 uint8_t dectab[32]; 80 } MVModel3; 81 82 #endif /* AVCODEC_SCPR3_H */ 83