2 * This file is part of FFmpeg.
4 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef AVFILTER_VSINK_BUFFER_H
20 #define AVFILTER_VSINK_BUFFER_H
24 * memory buffer sink API for video
30 * Tell av_vsink_buffer_get_video_buffer_ref() to read the picref, but not
31 * remove it from the buffer. This is useful if you need only to read
32 * the picref, without to fetch it.
34 #define AV_VSINK_BUF_FLAG_PEEK 1
37 * Get a video buffer data from buffer_sink and put it in picref.
39 * @param buffer_sink pointer to a buffer sink context
40 * @param flags a combination of AV_VSINK_BUF_FLAG_* flags
41 * @return >= 0 in case of success, a negative AVERROR code in case of
44 int av_vsink_buffer_get_video_buffer_ref(AVFilterContext *buffer_sink,
45 AVFilterBufferRef **picref, int flags);
47 #endif /* AVFILTER_VSINK_BUFFER_H */