MltPlaylist.cpp: return null on clip_info method if mlt_playlist_get_clip_info fails.

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt++@1148 d19143bc-622f-0410-bfdd-b5b2a6649095

diff --git a/mlt++/src/MltPlaylist.cpp b/mlt++/src/MltPlaylist.cpp
index 30fba20..10991c9 100644 (file)
--- a/mlt++/src/MltPlaylist.cpp
+++ b/mlt++/src/MltPlaylist.cpp
@@ -160,7 +160,8 @@ Producer *Playlist::current( )
 ClipInfo *Playlist::clip_info( int index, ClipInfo *info )
 {
        mlt_playlist_clip_info clip_info;
-       mlt_playlist_get_clip_info( get_playlist( ), &clip_info, index );
+       if ( mlt_playlist_get_clip_info( get_playlist( ), &clip_info, index ) )
+               return NULL;
        if ( info == NULL )
                return new ClipInfo( &clip_info );
        info->update( &clip_info );