FFmpeg: libavcodec/utvideo.c Source File

00001 /*
00002  * Common Ut Video code
00003  * Copyright (c) 2011 Konstantin Shishkov
00004  *
00005  * This file is part of FFmpeg.
00006  *
00007  * FFmpeg is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or (at your option) any later version.
00011  *
00012  * FFmpeg is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with FFmpeg; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00020  */
00021 
00027 #include "utvideo.h"
00028 
00029 const int ff_ut_pred_order[5] = {
00030     PRED_LEFT, PRED_MEDIAN, PRED_MEDIAN, PRED_NONE, PRED_GRADIENT
00031 };
00032 
00033 const int ff_ut_rgb_order[4]  = { 1, 2, 0, 3 }; // G, B, R, A
00034 
00035 int ff_ut_huff_cmp_len(const void *a, const void *b)
00036 {
00037     const HuffEntry *aa = a, *bb = b;
00038     return (aa->len - bb->len)*256 + aa->sym - bb->sym;
00039 }