aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* ScreenPressor version 3 decoder
*
* Copyright (c) 2017 Paul B Mahol
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_SCPR3_H
#define AVCODEC_SCPR3_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "avcodec.h"
#include "internal.h"
typedef struct PixelModel3 {
uint8_t type;
uint8_t length;
uint8_t maxpos;
uint8_t fshift;
uint16_t size;
uint32_t cntsum;
uint8_t symbols[256];
uint16_t freqs[256];
uint16_t freqs1[256];
uint16_t cnts[256];
uint8_t dectab[32];
} PixelModel3;
typedef struct FillModel3 {
uint32_t cntsum;
uint16_t freqs[2][5];
uint16_t cnts[5];
uint8_t dectab[32];
} FillModel3;
typedef struct OpModel3 {
uint32_t cntsum;
uint16_t freqs[2][6];
uint16_t cnts[6];
uint8_t dectab[32];
} OpModel3;
typedef struct RunModel3 {
uint32_t cntsum;
uint16_t freqs[2][256];
uint16_t cnts[256];
uint8_t dectab[32];
} RunModel3;
typedef struct SxyModel3 {
uint32_t cntsum;
uint16_t freqs[2][16];
uint16_t cnts[16];
uint8_t dectab[32];
} SxyModel3;
typedef struct MVModel3 {
uint32_t cntsum;
uint16_t freqs[2][512];
uint16_t cnts[512];
uint8_t dectab[32];
} MVModel3;
#endif /* AVCODEC_SCPR3_H */
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