static int resample_get_audio( mlt_frame frame, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
{
// Get the properties of the frame
- mlt_properties properties = mlt_frame_properties( frame );
+ mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
// Get the filter service
mlt_filter filter = mlt_frame_pop_audio( frame );
// Get the filter properties
- mlt_properties filter_properties = mlt_filter_properties( filter );
+ mlt_properties filter_properties = MLT_FILTER_PROPERTIES( filter );
// Get the resample information
int output_rate = mlt_properties_get_int( filter_properties, "frequency" );
if ( output_rate == 0 )
output_rate = *frequency;
- // Restore the original get_audio
- frame->get_audio = mlt_frame_pop_audio( frame );
-
// Get the producer's audio
mlt_frame_get_audio( frame, buffer, format, frequency, &channels_avail, samples );
static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
{
// Only call this if we have a means to get audio
- if ( frame->get_audio != NULL )
+ if ( mlt_frame_is_test_audio( frame ) == 0 )
{
- // Push the original method on to the stack
- mlt_frame_push_audio( frame, frame->get_audio );
-
// Push the filter on to the stack
mlt_frame_push_audio( frame, this );
// Assign our get_audio method
- frame->get_audio = resample_get_audio;
+ mlt_frame_push_audio( frame, resample_get_audio );
}
return frame;
// Deal with argument
if ( arg != NULL )
- mlt_properties_set( mlt_filter_properties( this ), "frequency", arg );
+ mlt_properties_set( MLT_FILTER_PROPERTIES( this ), "frequency", arg );
// Default to 2 channel output
- mlt_properties_set_int( mlt_filter_properties( this ), "channels", 2 );
+ mlt_properties_set_int( MLT_FILTER_PROPERTIES( this ), "channels", 2 );
// Store the buffer
- mlt_properties_set_data( mlt_filter_properties( this ), "buffer", buffer, size, mlt_pool_release, NULL );
+ mlt_properties_set_data( MLT_FILTER_PROPERTIES( this ), "buffer", buffer, size, mlt_pool_release, NULL );
}
return this;