blank_at method added

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@557 d19143bc-622f-0410-bfdd-b5b2a6649095

diff --git a/src/framework/mlt_playlist.c b/src/framework/mlt_playlist.c
index a78ad6d..58b371d 100644 (file)
--- a/src/framework/mlt_playlist.c
+++ b/src/framework/mlt_playlist.c
@@ -1192,6 +1192,14 @@ int mlt_playlist_is_blank( mlt_playlist this, int clip )
        return this == NULL || mlt_producer_is_blank( mlt_playlist_get_clip( this, clip ) );
 }
 
+/** Determine if the specified position is a blank.
+*/
+
+int mlt_playlist_is_blank_at( mlt_playlist this, int position )
+{
+       return this == NULL || mlt_producer_is_blank( mlt_playlist_get_clip_at( this, position ) );
+}
+
 /** Replace the specified clip with a blank and return the clip.
 */
 

diff --git a/src/framework/mlt_playlist.h b/src/framework/mlt_playlist.h
index cda454f..e70ff62 100644 (file)
--- a/src/framework/mlt_playlist.h
+++ b/src/framework/mlt_playlist.h
@@ -93,6 +93,7 @@ extern int mlt_playlist_get_clip_index_at( mlt_playlist self, int position );
 extern int mlt_playlist_clip_is_mix( mlt_playlist self, int clip );
 extern void mlt_playlist_consolidate_blanks( mlt_playlist self, int keep_length );
 extern int mlt_playlist_is_blank( mlt_playlist self, int clip );
+extern int mlt_playlist_is_blank_at( mlt_playlist self, int position );
 extern void mlt_playlist_insert_blank( mlt_playlist self, int clip, int length );
 extern void mlt_playlist_pad_blanks( mlt_playlist self, int position, int length, int find );
 extern mlt_producer mlt_playlist_replace_with_blank( mlt_playlist self, int clip );