Initial work to allow having some spectral module order presets

Source/PS_Source/StretchSource.cpp

@@ -26,6 +26,12 @@ www.gnu.org/licenses
 #undef max
 #endif
 
+std::vector<SpectrumProcessType> g_specorderpresets[3] = {
+	{SPT_Harmonics,SPT_PitchShift,SPT_FreqShift,SPT_Spread,SPT_TonalVsNoise,SPT_Filter,SPT_FreeFilter,SPT_RatioMix,SPT_Compressor},
+	{SPT_PitchShift,SPT_Harmonics,SPT_FreqShift,SPT_Spread,SPT_TonalVsNoise,SPT_Filter,SPT_FreeFilter,SPT_RatioMix,SPT_Compressor},
+	{SPT_RatioMix,SPT_PitchShift,SPT_Harmonics,SPT_FreqShift,SPT_Spread,SPT_TonalVsNoise,SPT_Filter,SPT_FreeFilter,SPT_Compressor}
+};
+
 StretchAudioSource::StretchAudioSource(int initialnumoutchans, 
 	AudioFormatManager* afm,
 	std::array<AudioParameterBool*,9>& enab_pars) : m_afm(afm)
@@ -259,6 +265,18 @@ double StretchAudioSource::getDryPlayrate() const
 	return m_dryplayrate;
 }
 
+void StretchAudioSource::setSpectralOrderPreset(int id)
+{
+	if (id == m_current_spec_order_preset)
+		return;
+	if (m_cs.tryEnter())
+	{
+		m_current_spec_order_preset = id;
+		++m_param_change_count;
+		m_cs.exit();
+	}
+}
+
 void StretchAudioSource::getNextAudioBlock(const AudioSourceChannelInfo & bufferToFill)
 {
 	ScopedLock locker(m_cs);

Source/PS_Source/StretchSource.h

@@ -113,6 +113,7 @@ public:
 	CriticalSection* getMutex() { return &m_cs; }
 	int64_t getLastSourcePosition() const { return m_last_filepos; }
 	int m_prebuffersize = 0;
+	void setSpectralOrderPreset(int id);
 private:
 	CircularBuffer<float> m_stretchoutringbuf{ 1024 * 1024 };
 	AudioBuffer<float> m_file_inbuf;
@@ -173,4 +174,5 @@ private:
 	AudioBuffer<float> m_drypreviewbuf;
 	int64_t m_last_filepos = 0;
 	void playDrySound(const AudioSourceChannelInfo & bufferToFill);
+	int m_current_spec_order_preset = -1;
 };