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https://gitee.com/openharmony/third_party_ffmpeg
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3b0fb00990
Signed-off-by: cyberbox <468042667@qq.com> Change-Id: I63cc2a8c9ff6197c67d6b6b47c124882ad942a22
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/*
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* Misc image conversion routines
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* Copyright (c) 2001, 2002, 2003 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* misc image conversion routines
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*/
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#include "avcodec.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/pixfmt.h"
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enum AVPixelFormat avcodec_find_best_pix_fmt_of_list(const enum AVPixelFormat *pix_fmt_list,
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enum AVPixelFormat src_pix_fmt,
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int has_alpha, int *loss_ptr){
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int i;
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enum AVPixelFormat best = AV_PIX_FMT_NONE;
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int loss;
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for (i=0; pix_fmt_list[i] != AV_PIX_FMT_NONE; i++) {
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loss = loss_ptr ? *loss_ptr : 0;
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best = av_find_best_pix_fmt_of_2(best, pix_fmt_list[i], src_pix_fmt, has_alpha, &loss);
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}
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if (loss_ptr)
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*loss_ptr = loss;
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return best;
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}
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