X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_playlist.c;h=0e017cebdc99a2dfef17b777d629bb8657a07e2a;hb=5f8f3adaf7cc01a161092ea272f50279a7ad971a;hp=2b1435845964db5fba451e0581b695b3903e292a;hpb=c11c102d64ee3b368c62ce838b6ae03d183b3aa9;p=melted

diff --git a/src/framework/mlt_playlist.c b/src/framework/mlt_playlist.c
index 2b14358..0e017ce 100644
--- a/src/framework/mlt_playlist.c
+++ b/src/framework/mlt_playlist.c
@@ -73,6 +73,10 @@ mlt_playlist mlt_playlist_init( )
 		// Override the producer get_frame
 		producer->get_frame = producer_get_frame;
 
+		// Define the destructor
+		producer->close = ( mlt_destructor )mlt_playlist_close;
+		producer->close_object = this;
+
 		// Initialise blank
 		mlt_producer_init( &this->blank, NULL );
 		mlt_properties_set( mlt_producer_properties( &this->blank ), "mlt_service", "blank" );
@@ -85,6 +89,9 @@ mlt_playlist mlt_playlist_init( )
 		mlt_properties_set( mlt_playlist_properties( this ), "eof", "pause" );
 		mlt_properties_set( mlt_playlist_properties( this ), "resource", "<playlist>" );
 		mlt_properties_set( mlt_playlist_properties( this ), "mlt_type", "mlt_producer" );
+		mlt_properties_set_position( mlt_playlist_properties( this ), "in", 0 );
+		mlt_properties_set_position( mlt_playlist_properties( this ), "out", 0 );
+		mlt_properties_set_position( mlt_playlist_properties( this ), "length", 0 );
 
 		this->size = 10;
 		this->list = malloc( this->size * sizeof( playlist_entry * ) );
@@ -98,7 +105,7 @@ mlt_playlist mlt_playlist_init( )
 
 mlt_producer mlt_playlist_producer( mlt_playlist this )
 {
-	return &this->parent;
+	return this != NULL ? &this->parent : NULL;
 }
 
 /** Get the service associated to this playlist.
@@ -187,6 +194,8 @@ static int mlt_playlist_virtual_append( mlt_playlist this, mlt_producer producer
 
 	this->count ++;
 
+	mlt_properties_inc_ref( mlt_producer_properties( producer ) );
+
 	return mlt_playlist_virtual_refresh( this );
 }
 
@@ -197,7 +206,6 @@ static mlt_service mlt_playlist_virtual_seek( mlt_playlist this )
 {
 	// Default producer to blank
 	mlt_producer producer = NULL;
-	mlt_service service = NULL;
 
 	// Map playlist position to real producer in virtual playlist
 	mlt_position position = mlt_producer_frame( &this->parent );
@@ -265,14 +273,7 @@ static mlt_service mlt_playlist_virtual_seek( mlt_playlist this )
 		producer = &this->blank;
 	}
 
-	if ( producer != NULL )
-	{
-		service = mlt_producer_service( producer );
-		while ( mlt_service_consumer( service ) != NULL )
-			service = mlt_service_consumer( service );
-	}
-
-	return service;
+	return mlt_producer_service( producer );
 }
 
 /** Invoked when a producer indicates that it has prematurely reached its end.
@@ -442,6 +443,9 @@ int mlt_playlist_count( mlt_playlist this )
 
 int mlt_playlist_clear( mlt_playlist this )
 {
+	int i;
+	for ( i = 0; i < this->count; i ++ )
+		mlt_producer_close( this->list[ i ]->producer );
 	this->count = 0;
 	mlt_properties_set_double( mlt_playlist_properties( this ), "first_fps", 0 );
 	return mlt_playlist_virtual_refresh( this );
@@ -515,6 +519,9 @@ int mlt_playlist_remove( mlt_playlist this, int where )
 		// Get the clip info of the clip to be removed
 		mlt_playlist_get_clip_info( this, &where_info, where );
 
+		// Close the producer associated to the clip info
+		mlt_producer_close( where_info.producer );
+
 		// Reorganise the list
 		for ( i = where + 1; i < this->count; i ++ )
 			this->list[ i - 1 ] = this->list[ i ];
@@ -620,6 +627,54 @@ int mlt_playlist_resize_clip( mlt_playlist this, int clip, mlt_position in, mlt_
 	return error;
 }
 
+/** Split a clip on the playlist at the given position.
+*/
+
+int mlt_playlist_split( mlt_playlist this, int clip, mlt_position position )
+{
+	int error = clip < 0 || clip >= this->count;
+	if ( error == 0 )
+	{
+		playlist_entry *entry = this->list[ clip ];
+		if ( position > 0 && position < entry->frame_count )
+		{
+			int in = entry->frame_in;
+			int out = entry->frame_out;
+			mlt_playlist_resize_clip( this, clip, in, in + position );
+			mlt_playlist_insert( this, entry->producer, clip + 1, in + position + 1, out );
+		}
+		else
+		{
+			error = 1;
+		}
+	}
+	return error;
+}
+
+/** Join 1 or more consecutive clips.
+*/
+
+int mlt_playlist_join( mlt_playlist this, int clip, int count, int merge )
+{
+	int error = clip < 0 || ( clip + 1 ) >= this->count;
+	if ( error == 0 )
+	{
+		int i = clip;
+		mlt_playlist new_clip = mlt_playlist_init( );
+		if ( clip + count >= this->count )
+			count = this->count - clip;
+		for ( i = 0; i <= count; i ++ )
+		{
+			playlist_entry *entry = this->list[ clip ];
+			mlt_playlist_append_io( new_clip, entry->producer, entry->frame_in, entry->frame_out );
+			mlt_playlist_remove( this, clip );
+		}
+		mlt_playlist_insert( this, mlt_playlist_producer( new_clip ), clip, 0, -1 );
+		mlt_playlist_close( new_clip );
+	}
+	return error;
+}
+
 /** Get the current frame.
 */
 
@@ -662,11 +717,18 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i
 
 void mlt_playlist_close( mlt_playlist this )
 {
-	int i = 0;
-	mlt_producer_close( &this->parent );
-	mlt_producer_close( &this->blank );
-	for ( i = 0; i < this->count; i ++ )
-		free( this->list[ i ] );
-	free( this->list );
-	free( this );
+	if ( this != NULL && mlt_properties_dec_ref( mlt_playlist_properties( this ) ) <= 0 )
+	{
+		int i = 0;
+		this->parent.close = NULL;
+		mlt_producer_close( &this->parent );
+		mlt_producer_close( &this->blank );
+		for ( i = 0; i < this->count; i ++ )
+		{
+			mlt_producer_close( this->list[ i ]->producer );
+			free( this->list[ i ] );
+		}
+		free( this->list );
+		free( this );
+	}
 }