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Moved responsibility for throwing in a low-pass filter up to the Vic, appropriately.

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Thomas Harte
2016-08-21 18:13:31 -04:00
parent c783090980
commit 1541273785
3 changed files with 13 additions and 15 deletions
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Outputs/Speaker.hpp
+11 -10
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@@ -72,10 +72,20 @@ class Speaker {
set_needs_updated_filter_coefficients();
}
Speaker() : _buffer_in_progress_pointer(0), _requested_number_of_taps(0) {}
/*!
Sets the cut-off frequency for a low-pass filter attached to the output of this speaker; optional.
*/
void set_high_frequency_cut_off(float high_frequency)
{
_high_frequency_cut_off = high_frequency;
set_needs_updated_filter_coefficients();
}
Speaker() : _buffer_in_progress_pointer(0), _requested_number_of_taps(0), _high_frequency_cut_off(-1.0) {}
protected:
std::unique_ptr<int16_t> _buffer_in_progress;
float _high_frequency_cut_off;
int _buffer_size;
int _buffer_in_progress_pointer;
int _number_of_taps, _requested_number_of_taps;
@@ -109,14 +119,6 @@ class Speaker {
*/
template <class T> class Filter: public Speaker {
public:
Filter() : _high_frequency_cut_off(-1.0) {}
void set_high_frequency_cut_off(float high_frequency)
{
_high_frequency_cut_off = high_frequency;
set_needs_updated_filter_coefficients();
}
void run_for_cycles(unsigned int input_cycles)
{
if(_coefficients_are_dirty) update_filter_coefficients();
@@ -204,7 +206,6 @@ template <class T> class Filter: public Speaker {
std::unique_ptr<int16_t> _input_buffer;
int _input_buffer_depth;
float _high_frequency_cut_off;
void update_filter_coefficients()
{