diff options
Diffstat (limited to 'libavfilter/vsink_buffer.h')
-rw-r--r-- | libavfilter/vsink_buffer.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libavfilter/vsink_buffer.h b/libavfilter/vsink_buffer.h new file mode 100644 index 0000000000..88b4c1d258 --- /dev/null +++ b/libavfilter/vsink_buffer.h @@ -0,0 +1,47 @@ +/* + * 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 */ |