imgconvert.c (1569B)
1 /* 2 * Misc image conversion routines 3 * Copyright (c) 2001, 2002, 2003 Fabrice Bellard 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 /** 23 * @file 24 * misc image conversion routines 25 */ 26 27 #include "avcodec.h" 28 #include "libavutil/pixdesc.h" 29 #include "libavutil/pixfmt.h" 30 31 enum AVPixelFormat avcodec_find_best_pix_fmt_of_list(const enum AVPixelFormat *pix_fmt_list, 32 enum AVPixelFormat src_pix_fmt, 33 int has_alpha, int *loss_ptr){ 34 int i; 35 36 enum AVPixelFormat best = AV_PIX_FMT_NONE; 37 int loss; 38 39 for (i=0; pix_fmt_list[i] != AV_PIX_FMT_NONE; i++) { 40 loss = loss_ptr ? *loss_ptr : 0; 41 best = av_find_best_pix_fmt_of_2(best, pix_fmt_list[i], src_pix_fmt, has_alpha, &loss); 42 } 43 44 if (loss_ptr) 45 *loss_ptr = loss; 46 return best; 47 }