1
0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-07 11:13:41 +02:00
FFmpeg/libavfilter/lavfutils.h
Michael Niedermayer d5ec8ba7f2 Do not leave positive values undefined when negative are defined as error
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>
2013-10-19 16:42:57 +02:00

44 lines
1.5 KiB
C

/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Miscellaneous utilities which make use of the libavformat library
*/
#ifndef AVFILTER_LAVFUTILS_H
#define AVFILTER_LAVFUTILS_H
#include "libavformat/avformat.h"
/**
* Load image from filename and put the resulting image in data.
*
* @param w pointer to the width of the loaded image
* @param h pointer to the height of the loaded image
* @param pix_fmt pointer to the pixel format of the loaded image
* @param filename the name of the image file to load
* @param log_ctx log context
* @return >= 0 in case of success, a negative error code otherwise.
*/
int ff_load_image(uint8_t *data[4], int linesize[4],
int *w, int *h, enum AVPixelFormat *pix_fmt,
const char *filename, void *log_ctx);
#endif /* AVFILTER_LAVFUTILS_H */