/*
  * 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
  */
 
 #ifndef AVFILTER_VSINK_BUFFER_H
 #define AVFILTER_VSINK_BUFFER_H
 
 /**
  * @file
  * memory buffer sink API for video
  */
 
 #include "avfilter.h"
 
 /**
  * Tell av_vsink_buffer_get_video_buffer_ref() to read the picref, but not
  * remove it from the buffer. This is useful if you need only to read
  * the picref, without to fetch it.
  */
 #define AV_VSINK_BUF_FLAG_PEEK 1
 
 /**
  * Get a video buffer data from buffer_sink and put it in picref.
  *
  * @param buffer_sink pointer to a buffer sink context
  * @param flags a combination of AV_VSINK_BUF_FLAG_* flags
  * @return >= 0 in case of success, a negative AVERROR code in case of
  * failure
  */
 int av_vsink_buffer_get_video_buffer_ref(AVFilterContext *buffer_sink,
                                          AVFilterBufferRef **picref, int flags);
 
 #endif /* AVFILTER_VSINK_BUFFER_H */