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/*
* Copyright (c) 2002-2014 Michael Niedermayer <michaelni@gmx.at>
*
* see https://multimedia.cx/huffyuv.txt for a description of
* the algorithm used
*
* 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
*/
/**
* @file
* huffyuv codec for libavcodec.
*/
#ifndef AVCODEC_HUFFYUV_H
#define AVCODEC_HUFFYUV_H
#include <stdint.h>
#include "config.h"
#if HAVE_BIGENDIAN
#define B 3
#define G 2
#define R 1
#define A 0
#else
#define B 0
#define G 1
#define R 2
#define A 3
#endif
#define MAX_BITS 16
#define MAX_N (1<<MAX_BITS)
#define MAX_VLC_N 16384
typedef enum Predictor {
LEFT = 0,
PLANE,
MEDIAN,
} Predictor;
void ff_huffyuv_common_end(uint8_t *temp[3], uint16_t *temp16[3]);
int ff_huffyuv_alloc_temp(uint8_t *temp[3], uint16_t *temp16[3], int width);
int ff_huffyuv_generate_bits_table(uint32_t *dst, const uint8_t *len_table, int n);
#endif /* AVCODEC_HUFFYUV_H */
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