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FFmpeg/libavfilter/af_asplit.c
2011-12-27 15:21:08 +01:00

56 lines
1.9 KiB
C

/*
* Copyright (c) 2011 Stefano Sabatini
*
* 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
*/
/**
* @file
* audio splitter
*/
#include "avfilter.h"
static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
{
avfilter_filter_samples(inlink->dst->outputs[0],
avfilter_ref_buffer(insamples, ~AV_PERM_WRITE));
avfilter_filter_samples(inlink->dst->outputs[1],
avfilter_ref_buffer(insamples, ~AV_PERM_WRITE));
avfilter_unref_buffer(insamples);
}
AVFilter avfilter_af_asplit = {
.name = "asplit",
.description = NULL_IF_CONFIG_SMALL("Pass on the audio input to two outputs."),
.inputs = (const AVFilterPad[]) {
{ .name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.get_audio_buffer = avfilter_null_get_audio_buffer,
.filter_samples = filter_samples, },
{ .name = NULL}
},
.outputs = (const AVFilterPad[]) {
{ .name = "output1",
.type = AVMEDIA_TYPE_AUDIO, },
{ .name = "output2",
.type = AVMEDIA_TYPE_AUDIO, },
{ .name = NULL}
},
};