static int filter_get_audio( mlt_frame frame, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
{
// Get the properties of the a frame
- mlt_properties properties = mlt_frame_properties( frame );
+ mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
int i, j;
int from = mlt_properties_get_int( properties, "channelcopy.from" );
int to = mlt_properties_get_int( properties, "channelcopy.to" );
- // Restore the original get_audio
- frame->get_audio = mlt_properties_get_data( properties, "channelcopy.get_audio", NULL );
-
// Get the producer's audio
mlt_frame_get_audio( frame, buffer, format, frequency, channels, samples );
static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
{
- mlt_properties properties = mlt_filter_properties( this );
- mlt_properties frame_props = mlt_frame_properties( frame );
+ mlt_properties properties = MLT_FILTER_PROPERTIES( this );
+ mlt_properties frame_props = MLT_FRAME_PROPERTIES( frame );
// Propogate the parameters
mlt_properties_set_int( frame_props, "channelcopy.to", mlt_properties_get_int( properties, "to" ) );
mlt_properties_set_int( frame_props, "channelcopy.from", mlt_properties_get_int( properties, "from" ) );
- // Backup the original get_audio (it's still needed)
- mlt_properties_set_data( frame_props, "channelcopy.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;
}
{
this->process = filter_process;
if ( arg != NULL )
- mlt_properties_set_int( mlt_filter_properties( this ), "to", atoi( arg ) );
+ mlt_properties_set_int( MLT_FILTER_PROPERTIES( this ), "to", atoi( arg ) );
else
- mlt_properties_set_int( mlt_filter_properties( this ), "to", 1 );
+ mlt_properties_set_int( MLT_FILTER_PROPERTIES( this ), "to", 1 );
}
return this;
}