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mirror of https://git.videolan.org/git/ffmpeg.git synced 2024-08-02 09:19:58 +02:00
ffmpeg/libavfilter/allfilters.c
Stefano Sabatini 7b018b1d7d Add the null video filter.
Originally committed as revision 20275 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-10-18 09:44:33 +00:00

39 lines
1.1 KiB
C

/*
* filter registration
* copyright (c) 2008 Vitor Sessak
*
* 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
*/
#include "avfilter.h"
#define REGISTER_FILTER(X,x,y) { \
extern AVFilter avfilter_##y##_##x ; \
if(CONFIG_##X##_FILTER ) avfilter_register(&avfilter_##y##_##x ); }
void avfilter_register_all(void)
{
static int initialized;
if (initialized)
return;
initialized = 1;
REGISTER_FILTER (NULL,null,vf);
}