libavfilter/video.h

   1 /*
   2  * This file is part of Libav.
   3  *
   4  * Libav 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  * Libav 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 Libav; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #ifndef AVFILTER_VIDEO_H
  20 #define AVFILTER_VIDEO_H
  21
  22 #include "avfilter.h"
  23
  24 AVFrame *ff_default_get_video_buffer(AVFilterLink *link, int w, int h);
  25 AVFrame *ff_null_get_video_buffer(AVFilterLink *link, int w, int h);
  26
  27 /**
  28  * Request a picture buffer with a specific set of permissions.
  29  *
  30  * @param link  the output link to the filter from which the buffer will
  31  *              be requested
  32  * @param w     the minimum width of the buffer to allocate
  33  * @param h     the minimum height of the buffer to allocate
  34  * @return      A reference to the buffer. This must be unreferenced with
  35  *              avfilter_unref_buffer when you are finished with it.
  36  */
  37 AVFrame *ff_get_video_buffer(AVFilterLink *link, int w, int h);
  38
  39 #endif /* AVFILTER_VIDEO_H */