The new flags parameter allows to specify if the video ref to add should overwrite the cache, if the flag is not set vsrc_buffer will complain and abort; otherwise it will clean the already cached video ref before to overwrite it, thus avoiding a leak.
		
			
				
	
	
		
			50 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 2008 Vitor Sessak
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg 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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 * FFmpeg 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 FFmpeg; 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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#ifndef AVFILTER_VSRC_BUFFER_H
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#define AVFILTER_VSRC_BUFFER_H
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/**
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 * @file
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 * memory buffer source API for video
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 */
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#include "avfilter.h"
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/**
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 * Tell av_vsrc_buffer_add_video_buffer_ref() to overwrite the already
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 * cached video buffer with the new added one, otherwise the function
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 * will complain and exit.
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 */
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#define AV_VSRC_BUF_FLAG_OVERWRITE 1
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/**
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 * Add video buffer data in picref to buffer_src.
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 *
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 * @param buffer_src pointer to a buffer source context
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 * @param flags a combination of AV_VSRC_BUF_FLAG_* flags
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 * @return >= 0 in case of success, a negative AVERROR code in case of
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 * failure
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 */
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int av_vsrc_buffer_add_video_buffer_ref(AVFilterContext *buffer_src,
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                                        AVFilterBufferRef *picref, int flags);
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#endif /* AVFILTER_VSRC_BUFFER_H */
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