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filter_chain: add filter_chain_ForEach() helper

This commit is contained in:
Rémi Denis-Courmont 2014-07-28 22:52:12 +03:00
parent 06336296cb
commit 0a5922714a
2 changed files with 15 additions and 0 deletions
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3
include/vlc_filter.h
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@ -428,5 +428,8 @@ VLC_API int filter_chain_MouseFilter( filter_chain_t *, vlc_mouse_t *, const vlc
*/
VLC_API int filter_chain_MouseEvent( filter_chain_t *, const vlc_mouse_t *, const video_format_t * );
int filter_chain_ForEach( filter_chain_t *chain,
int (*cb)( filter_t *, void * ), void *opaque );
#endif /* _VLC_FILTER_H */

12
src/misc/filter_chain.c
View File

@ -236,6 +236,18 @@ int filter_chain_DeleteFilter( filter_chain_t *p_chain, filter_t *p_filter )
return UpdateBufferFunctions( p_chain );
}
int filter_chain_ForEach( filter_chain_t *chain,
int (*cb)( filter_t *, void * ), void *opaque )
{
for( chained_filter_t *f = chain->first; f != NULL; f = f->next )
{
int ret = cb( &f->filter, opaque );
if( ret )
return ret;
}
return VLC_SUCCESS;
}
int filter_chain_GetLength( filter_chain_t *p_chain )
{
return p_chain->length;