FFmpeg/libavfilter/asink_anullsink.c
Anton Khirnov 565e4993c6 lavfi: merge start_frame/draw_slice/end_frame
Any alleged performance benefits gained from the split are purely
mythological and do not justify added code complexity.
2012-11-28 08:50:19 +01:00

47 lines
1.4 KiB
C

/*
* 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
*/
#include "libavutil/internal.h"
#include "avfilter.h"
#include "internal.h"
static int null_filter_frame(AVFilterLink *link, AVFilterBufferRef *samplesref)
{
avfilter_unref_bufferp(&samplesref);
return 0;
}
static const AVFilterPad avfilter_asink_anullsink_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.filter_frame = null_filter_frame,
},
{ NULL },
};
AVFilter avfilter_asink_anullsink = {
.name = "anullsink",
.description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input audio."),
.priv_size = 0,
.inputs = avfilter_asink_anullsink_inputs,
.outputs = NULL,
};