54 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * This file is part of Libav.
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 *
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 * Libav is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * Libav is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with Libav; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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/**
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 * @file
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 * null audio source
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 */
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#include <inttypes.h>
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#include <stdio.h>
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#include "libavutil/channel_layout.h"
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#include "libavutil/internal.h"
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#include "avfilter.h"
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#include "internal.h"
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static int request_frame(AVFilterLink *link)
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{
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    return AVERROR_EOF;
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}
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static const AVFilterPad avfilter_asrc_anullsrc_outputs[] = {
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    {
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        .name          = "default",
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        .type          = AVMEDIA_TYPE_AUDIO,
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        .request_frame = request_frame,
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    },
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    { NULL }
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};
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AVFilter ff_asrc_anullsrc = {
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    .name        = "anullsrc",
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    .description = NULL_IF_CONFIG_SMALL("Null audio source, never return audio frames."),
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    .inputs      = NULL,
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    .outputs     = avfilter_asrc_anullsrc_outputs,
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};
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