static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index );
static int mlt_playlist_unmix( mlt_playlist self, int clip );
static int mlt_playlist_resize_mix( mlt_playlist self, int clip, int in, int out );
+static void mlt_playlist_next( mlt_listener listener, mlt_properties owner, mlt_service self, void **args );
/** Construct a playlist.
*
self->list = calloc( self->size, sizeof( playlist_entry * ) );
if ( self->list == NULL ) goto error2;
+ mlt_events_register( MLT_PLAYLIST_PROPERTIES( self ), "playlist-next", (mlt_transmitter) mlt_playlist_next );
}
return self;
return producer;
}
+/** The transmitter for the producer-next event
+ *
+ * Invokes the listener.
+ *
+ * \private \memberof mlt_playlist_s
+ * \param listener a function pointer that will be invoked
+ * \param owner the events object that will be passed to \p listener
+ * \param self a service that will be passed to \p listener
+ * \param args an array of pointers.
+ */
+
+static void mlt_playlist_next( mlt_listener listener, mlt_properties owner, mlt_service self, void **args )
+{
+ if ( listener )
+ listener( owner, self, args[ 0 ] );
+}
+
+
/** Seek in the virtual playlist.
*
* This gets the producer at the current position and seeks on the producer
producer = &self->blank;
}
+ // Determine if we have moved to the next entry in the playlist.
+ if ( original == total - 2 )
+ mlt_events_fire( properties, "playlist-next", i, NULL );
+
return MLT_PRODUCER_SERVICE( producer );
}
mlt_producer track_a = NULL;
mlt_producer track_b = NULL;
mlt_tractor tractor = mlt_tractor_new( );
+
+ mlt_service_set_profile( MLT_TRACTOR_SERVICE( tractor ),
+ mlt_service_profile( MLT_PLAYLIST_SERVICE( self ) ) );
+ mlt_properties_set_lcnumeric( MLT_TRACTOR_PROPERTIES( tractor ),
+ mlt_properties_get_lcnumeric( MLT_PLAYLIST_PROPERTIES( self ) ) );
mlt_events_block( MLT_PLAYLIST_PROPERTIES( self ), self );
// Check length is valid for both clips and resize if necessary.
* \public \memberof mlt_playlist_s
* \param self a playlist
* \param clip the index of the playlist entry
- * \return true if there was an error
+ * \return true if \p clip is a "blank" producer
*/
int mlt_playlist_is_blank( mlt_playlist self, int clip )
* \public \memberof mlt_playlist_s
* \param self a playlist
* \param clip the index of the new blank section
- * \param length the ending time of the new blank section (duration - 1)
+ * \param out the ending time of the new blank section (duration - 1)
*/
-void mlt_playlist_insert_blank( mlt_playlist self, int clip, int length )
+void mlt_playlist_insert_blank( mlt_playlist self, int clip, int out )
{
- if ( self != NULL && length >= 0 )
+ if ( self != NULL && out >= 0 )
{
mlt_properties properties = MLT_PLAYLIST_PROPERTIES( self );
mlt_events_block( properties, properties );
- mlt_playlist_blank( self, length );
+ mlt_playlist_blank( self, out );
mlt_playlist_move( self, self->count - 1, clip );
mlt_events_unblock( properties, properties );
mlt_playlist_virtual_refresh( self );