From ac71230902af1a8ebc7abf85143139ffb49838eb Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Fri, 27 Apr 2012 06:56:56 +0200 Subject: lavfi: add video buffer sink, and use it in avtools Also add the public interface libavfilter/buffersink.h. Based on a commit by Stefano Sabatini. --- libavfilter/buffersink.h | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 libavfilter/buffersink.h (limited to 'libavfilter/buffersink.h') diff --git a/libavfilter/buffersink.h b/libavfilter/buffersink.h new file mode 100644 index 0000000000..e579b9ad03 --- /dev/null +++ b/libavfilter/buffersink.h @@ -0,0 +1,43 @@ +/* + * 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 */ -- cgit v1.2.3