From 006aa1a4c2307209ad11c3ad0ad1d888c8df98fe Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Sat, 16 Jan 2010 11:05:36 +0000 Subject: Implement null video sink. Originally committed as revision 21242 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavfilter/vsink_nullsink.c | 45 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 libavfilter/vsink_nullsink.c (limited to 'libavfilter/vsink_nullsink.c') diff --git a/libavfilter/vsink_nullsink.c b/libavfilter/vsink_nullsink.c new file mode 100644 index 0000000000..d87f20400b --- /dev/null +++ b/libavfilter/vsink_nullsink.c @@ -0,0 +1,45 @@ +/* + * 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 + */ + +#include "avfilter.h" + +static void start_frame(AVFilterLink *link, AVFilterPicRef *picref) +{ +} + +static void end_frame(AVFilterLink *link) +{ +} + +AVFilter avfilter_vsink_nullsink = { + .name = "nullsink", + .description = "Do absolutely nothing with the input video.", + + .priv_size = 0, + + .inputs = (AVFilterPad[]) { + { + .name = "default", + .type = CODEC_TYPE_VIDEO, + .start_frame = start_frame, + .end_frame = end_frame, + }, + { .name = NULL}, + }, + .outputs = (AVFilterPad[]) {{ .name = NULL }}, +}; -- cgit v1.2.3