2 * This file is part of Libav.
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.
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.
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
19 #ifndef AVFILTER_BUFFERSINK_H
20 #define AVFILTER_BUFFERSINK_H
24 * memory buffer sink API
30 * Get a buffer with filtered data from sink and put it in buf.
32 * @param sink pointer to a context of a buffersink AVFilter.
33 * @param buf pointer to the buffer will be written here if buf is non-NULL. buf
34 * must be freed by the caller using avfilter_unref_buffer().
35 * Buf may also be NULL to query whether a buffer is ready to be
38 * @return >= 0 in case of success, a negative AVERROR code in case of
41 int av_buffersink_read(AVFilterContext *sink, AVFilterBufferRef **buf);
43 #endif /* AVFILTER_BUFFERSINK_H */