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29 #include "DynamicsCompressorNode.h"
31 #include "AudioContext.h"
32 #include "AudioNodeInput.h"
33 #include "AudioNodeOutput.h"
34 #include "DynamicsCompressor.h"
38 DynamicsCompressorNode::DynamicsCompressorNode(AudioContext* context, float sampleRate)
39 : AudioNode(context, sampleRate)
41 addInput(adoptPtr(new AudioNodeInput(this)));
42 addOutput(adoptPtr(new AudioNodeOutput(this, 2)));
44 setNodeType(NodeTypeDynamicsCompressor);
49 DynamicsCompressorNode::~DynamicsCompressorNode()
54 void DynamicsCompressorNode::process(size_t framesToProcess)
56 AudioBus* outputBus = output(0)->bus();
59 m_dynamicsCompressor->process(input(0)->bus(), outputBus, framesToProcess);
62 void DynamicsCompressorNode::reset()
64 m_dynamicsCompressor->reset();
67 void DynamicsCompressorNode::initialize()
72 AudioNode::initialize();
73 m_dynamicsCompressor = adoptPtr(new DynamicsCompressor(true, sampleRate()));
76 void DynamicsCompressorNode::uninitialize()
81 m_dynamicsCompressor.clear();
82 AudioNode::uninitialize();
85 } // namespace WebCore
87 #endif // ENABLE(WEB_AUDIO)