* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include "transition_mix.h"
+#include <framework/mlt_transition.h>
#include <framework/mlt_frame.h>
#include <stdio.h>
mlt_properties_set_double( b_props, "audio.mix", mix );
// Initialise transition previous mix value to prevent an inadvertant jump from 0
- if ( mlt_properties_get( properties, "previous_mix" ) == NULL )
- mlt_properties_set_double( properties, "previous_mix", mlt_properties_get_double( b_props, "audio.mix" ) );
+ mlt_position last_position = mlt_properties_get_position( properties, "_last_position" );
+ mlt_position current_position = mlt_frame_get_position( b_frame );
+ if ( mlt_properties_get( properties, "_previous_mix" ) == NULL
+ || current_position != last_position + 1 )
+ mlt_properties_set_double( properties, "_previous_mix", mix );
// Tell b frame what the previous mix level was
- mlt_properties_set_double( b_props, "audio.previous_mix", mlt_properties_get_double( properties, "previous_mix" ) );
+ mlt_properties_set_double( b_props, "audio.previous_mix", mlt_properties_get_double( properties, "_previous_mix" ) );
// Save the current mix level for the next iteration
- mlt_properties_set_double( properties, "previous_mix", mlt_properties_get_double( b_props, "audio.mix" ) );
+ mlt_properties_set_double( properties, "_previous_mix", mlt_properties_get_double( b_props, "audio.mix" ) );
mlt_properties_set_double( b_props, "audio.reverse", mlt_properties_get_double( properties, "reverse" ) );
}
/** Constructor for the transition.
*/
-mlt_transition transition_mix_init( char *arg )
+mlt_transition transition_mix_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
mlt_transition this = calloc( sizeof( struct mlt_transition_s ), 1 );
if ( this != NULL && mlt_transition_init( this, NULL ) == 0 )