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/*
* 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 */
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