mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/*
|
|
* 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;
|
|
|
|
int ff_huffyuv_generate_bits_table(uint32_t *dst, const uint8_t *len_table, int n);
|
|
|
|
#endif /* AVCODEC_HUFFYUV_H */
|