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d5ec8ba7f2
Define positive return values as non errors and leave further meaning undefined This allows future extensions to use these values Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/*
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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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* Miscellaneous utilities which make use of the libavformat library
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*/
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#ifndef AVFILTER_LAVFUTILS_H
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#define AVFILTER_LAVFUTILS_H
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#include "libavformat/avformat.h"
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/**
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* Load image from filename and put the resulting image in data.
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*
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* @param w pointer to the width of the loaded image
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* @param h pointer to the height of the loaded image
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* @param pix_fmt pointer to the pixel format of the loaded image
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* @param filename the name of the image file to load
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* @param log_ctx log context
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* @return >= 0 in case of success, a negative error code otherwise.
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*/
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int ff_load_image(uint8_t *data[4], int linesize[4],
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int *w, int *h, enum AVPixelFormat *pix_fmt,
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const char *filename, void *log_ctx);
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#endif /* AVFILTER_LAVFUTILS_H */
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