libavfilter/lavfutils.h

   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 /**
  20  * @file
  21  * Miscellaneous utilities which make use of the libavformat library
  22  */
  23
  24 #ifndef AVFILTER_LAVFUTILS_H
  25 #define AVFILTER_LAVFUTILS_H
  26
  27 #include <stdint.h>
  28 #include "libavutil/pixfmt.h"
  29
  30 /**
  31  * Load image from filename and put the resulting image in data.
  32  *
  33  * @param w pointer to the width of the loaded image
  34  * @param h pointer to the height of the loaded image
  35  * @param pix_fmt pointer to the pixel format of the loaded image
  36  * @param filename the name of the image file to load
  37  * @param log_ctx log context
  38  * @return >= 0 in case of success, a negative error code otherwise.
  39  */
  40 int ff_load_image(uint8_t *data[4], int linesize[4],
  41                   int *w, int *h, enum AVPixelFormat *pix_fmt,
  42                   const char *filename, void *log_ctx);
  43
  44 #endif  /* AVFILTER_LAVFUTILS_H */