56 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			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}
 | 
						|
    },
 | 
						|
};
 |