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/*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_BUFFERSINK_H
#define AVFILTER_BUFFERSINK_H
/**
* @file
* memory buffer sink API
*/
#include "avfilter.h"
/**
* Get a buffer with filtered data from sink and put it in buf.
*
* @param sink pointer to a context of a buffersink AVFilter.
* @param buf pointer to the buffer will be written here if buf is non-NULL. buf
* must be freed by the caller using avfilter_unref_buffer().
* Buf may also be NULL to query whether a buffer is ready to be
* output.
*
* @return >= 0 in case of success, a negative AVERROR code in case of
* failure.
*/
int av_buffersink_read(AVFilterContext *sink, AVFilterBufferRef **buf);
#endif /* AVFILTER_BUFFERSINK_H */
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