X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fkdenlive%2Fproducer_framebuffer.c;h=10dc22fecee88b00686cc5610b63607404f55701;hb=00ec4e199c9bd1213ec1ada66b662b5b0b181811;hp=d028eaac916b00a6971a9500d1da1836ba327bcd;hpb=e8cb811d00abe2b31e1e6591da9e3c13799228eb;p=melted

diff --git a/src/modules/kdenlive/producer_framebuffer.c b/src/modules/kdenlive/producer_framebuffer.c
index d028eaa..10dc22f 100644
--- a/src/modules/kdenlive/producer_framebuffer.c
+++ b/src/modules/kdenlive/producer_framebuffer.c
@@ -194,7 +194,7 @@ static int producer_get_frame( mlt_producer this, mlt_frame_ptr frame, int index
 
 mlt_producer producer_framebuffer_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
 {
-
+	if ( !arg ) return NULL;
 	mlt_producer this = NULL;
 	this = calloc( 1, sizeof( struct mlt_producer_s ) );
 	mlt_producer_init( this, NULL );
@@ -236,7 +236,6 @@ mlt_producer producer_framebuffer_init( mlt_profile profile, mlt_service_type ty
 
 	if (speed == 0.0) speed = 1.0;
 
-
 	if ( this != NULL && real_producer != NULL)
 	{
 		// Get the properties of this producer
@@ -252,12 +251,18 @@ mlt_producer producer_framebuffer_init( mlt_profile profile, mlt_service_type ty
 		// Grab some stuff from the real_producer
 		mlt_properties_pass_list( properties, MLT_PRODUCER_PROPERTIES( real_producer ), "length, width,height" );
 
+		if ( speed < 0 )
+		{
+			speed = -speed;
+			mlt_properties_set_int( properties, "reverse", 1 );
+		}
 
 		if ( speed != 1.0 )
 		{
-			double real_length = (double)  mlt_producer_get_length( real_producer );
-			mlt_properties_set_position( properties, "length", real_length / speed );
+			double real_length = ( (double)  mlt_producer_get_length( real_producer ) ) / speed;
+			mlt_properties_set_position( properties, "length", real_length );
 		}
+		mlt_properties_set_position( properties, "out", mlt_producer_get_length( this ) - 1 );
 
 		// Since we control the seeking, prevent it from seeking on its own
 		mlt_producer_set_speed( real_producer, 0 );