2 * Misc image conversion routines
3 * Copyright (c) 2001, 2002, 2003 Fabrice Bellard
5 * This file is part of FFmpeg.
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.
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.
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
24 * misc image conversion routines
28 #include "libavutil/pixdesc.h"
29 #include "libavutil/pixfmt.h"
31 #if FF_API_AVCODEC_PIX_FMT
32 int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,
33 enum AVPixelFormat src_pix_fmt,
36 return av_get_pix_fmt_loss(dst_pix_fmt, src_pix_fmt, has_alpha);
39 enum AVPixelFormat avcodec_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2,
40 enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
42 return av_find_best_pix_fmt_of_2(dst_pix_fmt1, dst_pix_fmt2, src_pix_fmt, has_alpha, loss_ptr);
45 enum AVPixelFormat avcodec_find_best_pix_fmt2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2,
46 enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
48 return av_find_best_pix_fmt_of_2(dst_pix_fmt1, dst_pix_fmt2, src_pix_fmt, has_alpha, loss_ptr);
52 enum AVPixelFormat avcodec_find_best_pix_fmt_of_list(const enum AVPixelFormat *pix_fmt_list,
53 enum AVPixelFormat src_pix_fmt,
54 int has_alpha, int *loss_ptr){
57 enum AVPixelFormat best = AV_PIX_FMT_NONE;
60 for (i=0; pix_fmt_list[i] != AV_PIX_FMT_NONE; i++) {
61 loss = loss_ptr ? *loss_ptr : 0;
62 best = av_find_best_pix_fmt_of_2(best, pix_fmt_list[i], src_pix_fmt, has_alpha, &loss);