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Implement avfilter_next().

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Originally committed as revision 20607 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2009-11-24 23:58:48 +00:00
parent 73e2247d32
commit 1433c4abf2
2 changed files with 14 additions and 1 deletions
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5
libavfilter/avfilter.c
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@ -354,6 +354,11 @@ int avfilter_register(AVFilter *filter)
return 0;
}
AVFilter **av_filter_next(AVFilter **filter)
{
return filter ? ++filter : &registered_avfilters[0];
}
void avfilter_uninit(void)
{
memset(registered_avfilters, 0, sizeof(registered_avfilters));

10
libavfilter/avfilter.h
View File

@ -25,7 +25,7 @@
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 1
#define LIBAVFILTER_VERSION_MINOR 9
#define LIBAVFILTER_VERSION_MINOR 10
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
@ -594,6 +594,14 @@ int avfilter_register(AVFilter *filter);
*/
AVFilter *avfilter_get_by_name(const char *name);
/**
* If filter is NULL, returns a pointer to the first registered filter pointer,
* if filter is non-NULL, returns the next pointer after filter.
* If the returned pointer points to NULL, the last registered filter
* was already reached.
*/
AVFilter **av_filter_next(AVFilter **filter);
/**
* Creates a filter instance.
* @param filter the filter to create an instance of