Add min/max values for AudioParams

third_party/WebKit/Source/modules/webaudio/OscillatorNode.cpp

 /*
  * Copyright (C) 2012, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 315 matching lines @@
 bool OscillatorHandler::propagatesSilence() const
 {
     return !isPlayingOrScheduled() || hasFinished() || !m_periodicWave.get();
 }
 
 // ----------------------------------------------------------------
 
 OscillatorNode::OscillatorNode(AbstractAudioContext& context, float sampleRate)
     : AudioScheduledSourceNode(context)
     // Use musical pitch standard A440 as a default.
-    , m_frequency(AudioParam::create(context, ParamTypeOscillatorFrequency, 440))
+    , m_frequency(AudioParam::create(context, ParamTypeOscillatorFrequency, 440, 0, sampleRate / 2))
     // Default to no detuning.
     , m_detune(AudioParam::create(context, ParamTypeOscillatorDetune, 0))
 {
     setHandler(OscillatorHandler::create(*this, sampleRate, m_frequency->handler(), m_detune->handler()));
 }
 
 OscillatorNode* OscillatorNode::create(AbstractAudioContext& context, float sampleRate)
 {
     return new OscillatorNode(context, sampleRate);
 }
@@ skipping 30 matching lines @@
     return m_detune;
 }
 
 void OscillatorNode::setPeriodicWave(PeriodicWave* wave)
 {
     oscillatorHandler().setPeriodicWave(wave);
 }
 
 } // namespace blink