* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-#include "filter_volume.h"
-
+#include <framework/mlt_filter.h>
#include <framework/mlt_frame.h>
#include <stdio.h>
#define MAX_CHANNELS 6
#define EPSILON 0.00001
-/* The normalise functions come from the normalize utility:
+/* The following normalise functions come from the normalize utility:
Copyright (C) 1999--2002 Chris Vaill */
#define samp_width 16
if ( mlt_properties_get( properties, "volume.limiter" ) != NULL )
limiter_level = mlt_properties_get_double( properties, "volume.limiter" );
- // Restore the original get_audio
- frame->get_audio = mlt_properties_get_data( properties, "volume.get_audio", NULL );
-
// Get the producer's audio
mlt_frame_get_audio( frame, buffer, format, frequency, channels, samples );
// fprintf( stderr, "filter_volume: frequency %d\n", *frequency );
// Put a filter reference onto the frame
mlt_properties_set_data( properties, "filter_volume", this, 0, NULL, NULL );
- // Backup the original get_audio (it's still needed)
- mlt_properties_set_data( properties, "volume.get_audio", frame->get_audio, 0, NULL, NULL );
-
// Override the get_audio method
- frame->get_audio = filter_get_audio;
+ mlt_frame_push_audio( frame, filter_get_audio );
return frame;
}
/** Constructor for the filter.
*/
-mlt_filter filter_volume_init( char *arg )
+mlt_filter filter_volume_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
mlt_filter this = calloc( sizeof( struct mlt_filter_s ), 1 );
if ( this != NULL && mlt_filter_init( this, NULL ) == 0 )