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#ifndef __FWEELIN_FLUIDSYNTH_H
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#define __FWEELIN_FLUIDSYNTH_H
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#include <fluidsynth.h>
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#include "fweelin_core_dsp.h"
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#include "fweelin_browser.h"
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// Whacky FluidSynth center of pitchbend is 0x2000 not 0
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#define FLUIDSYNTH_PITCHBEND_CENTER 0x2000
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// Small class to encapsulate FluidSynth patches
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class FluidPatch : public BrowserItem {
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FluidPatch (int sfontid = 0, int bank = 0, int prog = 0, char *name = 0) :
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BrowserItem(name), sfontid(sfontid), bank(bank), prog(prog) {};
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virtual BrowserItemType GetType() { return B_FluidPatch; };
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// Integrated soft-synth based on libfluidsynth
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class FluidSynthProcessor : public Processor, public EventListener,
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public BrowserCallback {
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FluidSynthProcessor(Fweelin *app, char stereo);
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virtual ~FluidSynthProcessor();
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virtual void process(char pre, nframes_t len, AudioBuffers *ab);
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virtual void ReceiveEvent(Event *ev, EventProducer *from);
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virtual void ItemBrowsed(BrowserItem *i) { ItemSelected(i); };
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virtual void ItemSelected(BrowserItem *i);
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// Send a new patch to synth
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void SendPatchChange(FluidPatch *p);
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// Change patches by moving 'patchofs' patches forward or 'fontofs'
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// soundfonts forward.
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void AdjustPatch (int patchofs, int fontofs);
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// Enable/disable FluidSynth- if disabled, bypasses
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// processor stage to reduce CPU usage, but leaves memory allocated
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void SetEnable(char en) {
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// Preprocess audio for smoothing
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char GetEnable() { return enable; };
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// Sets up browser patches based on loaded soundfonts
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// Run FluidSynth in stereo?
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// Left and right output buffers
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// And fluidsynth variables..
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fluid_settings_t *settings;
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// Currently processing?
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src/fweelin_fluidsynth.h
