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libavformat/timefilter.h

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00001 /*
00002  * Delay Locked Loop based time filter prototypes and declarations
00003  * Copyright (c) 2009 Samalyse
00004  * Copyright (c) 2009 Michael Niedermayer
00005  * Author: Olivier Guilyardi <olivier samalyse com>
00006  *         Michael Niedermayer <michaelni gmx at>
00007  *
00008  * This file is part of FFmpeg.
00009  *
00010  * FFmpeg is free software; you can redistribute it and/or
00011  * modify it under the terms of the GNU Lesser General Public
00012  * License as published by the Free Software Foundation; either
00013  * version 2.1 of the License, or (at your option) any later version.
00014  *
00015  * FFmpeg is distributed in the hope that it will be useful,
00016  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018  * Lesser General Public License for more details.
00019  *
00020  * You should have received a copy of the GNU Lesser General Public
00021  * License along with FFmpeg; if not, write to the Free Software
00022  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00023  */
00024 
00025 #ifndef AVFORMAT_TIMEFILTER_H
00026 #define AVFORMAT_TIMEFILTER_H
00027 
00036 typedef struct TimeFilter TimeFilter;
00037 
00038 
00062 TimeFilter * ff_timefilter_new(double clock_period, double feedback2_factor, double feedback3_factor);
00063 
00080 double ff_timefilter_update(TimeFilter *self, double system_time, double period);
00081 
00090 void ff_timefilter_reset(TimeFilter *);
00091 
00095 void ff_timefilter_destroy(TimeFilter *);
00096 
00097 #endif /* AVFORMAT_TIMEFILTER_H */

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