mirror of
https://github.com/FFmpeg/FFmpeg.git
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83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
/*
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* ScreenPressor version 3 decoder
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*
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* Copyright (c) 2017 Paul B Mahol
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_SCPR3_H
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#define AVCODEC_SCPR3_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "avcodec.h"
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#include "internal.h"
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typedef struct PixelModel3 {
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uint8_t type;
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uint8_t length;
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uint8_t maxpos;
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uint8_t fshift;
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uint16_t size;
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uint32_t cntsum;
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uint8_t symbols[256];
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uint16_t freqs[256];
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uint16_t freqs1[256];
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uint16_t cnts[256];
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uint8_t dectab[32];
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} PixelModel3;
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typedef struct FillModel3 {
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uint32_t cntsum;
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uint16_t freqs[2][5];
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uint16_t cnts[5];
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uint8_t dectab[32];
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} FillModel3;
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typedef struct OpModel3 {
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uint32_t cntsum;
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uint16_t freqs[2][6];
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uint16_t cnts[6];
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uint8_t dectab[32];
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} OpModel3;
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typedef struct RunModel3 {
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uint32_t cntsum;
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uint16_t freqs[2][256];
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uint16_t cnts[256];
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uint8_t dectab[32];
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} RunModel3;
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typedef struct SxyModel3 {
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uint32_t cntsum;
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uint16_t freqs[2][16];
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uint16_t cnts[16];
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uint8_t dectab[32];
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} SxyModel3;
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typedef struct MVModel3 {
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uint32_t cntsum;
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uint16_t freqs[2][512];
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uint16_t cnts[512];
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uint8_t dectab[32];
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} MVModel3;
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#endif /* AVCODEC_SCPR3_H */
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