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25 #ifndef WaveShaperProcessor_h
26 #define WaveShaperProcessor_h
28 #include "AudioDSPKernel.h"
29 #include "AudioDSPKernelProcessor.h"
30 #include "AudioNode.h"
31 #include "Float32Array.h"
32 #include <wtf/RefPtr.h>
33 #include <wtf/Threading.h>
37 // WaveShaperProcessor is an AudioDSPKernelProcessor which uses WaveShaperDSPKernel objects to implement non-linear distortion effects.
39 class WaveShaperProcessor : public AudioDSPKernelProcessor {
41 WaveShaperProcessor(double sampleRate, size_t numberOfChannels);
43 virtual ~WaveShaperProcessor();
45 virtual PassOwnPtr<AudioDSPKernel> createKernel();
47 virtual void process(AudioBus* source, AudioBus* destination, size_t framesToProcess);
49 void setCurve(Float32Array*);
50 Float32Array* curve() { return m_curve.get(); }
53 // m_curve represents the non-linear shaping curve.
54 RefPtr<Float32Array> m_curve;
56 // This synchronizes process() with setCurve().
57 mutable Mutex m_processLock;
60 } // namespace WebCore
62 #endif // WaveShaperProcessor_h