Add min/max values for AudioParams

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

 /*
  * Copyright (C) 2011, 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 109 matching lines @@
 
 double DynamicsCompressorHandler::latencyTime() const
 {
     return m_dynamicsCompressor->latencyTime();
 }
 
 // ----------------------------------------------------------------
 
 DynamicsCompressorNode::DynamicsCompressorNode(AbstractAudioContext& context, float sampleRate)
     : AudioNode(context)
-    , m_threshold(AudioParam::create(context, ParamTypeDynamicsCompressorThreshold, -24))
-    , m_knee(AudioParam::create(context, ParamTypeDynamicsCompressorKnee, 30))
-    , m_ratio(AudioParam::create(context, ParamTypeDynamicsCompressorRatio, 12))
-    , m_attack(AudioParam::create(context, ParamTypeDynamicsCompressorAttack, 0.003))
-    , m_release(AudioParam::create(context, ParamTypeDynamicsCompressorRelease, 0.250))
+    , m_threshold(AudioParam::create(context, ParamTypeDynamicsCompressorThreshold, -24, -100, 0))
+    , m_knee(AudioParam::create(context, ParamTypeDynamicsCompressorKnee, 30, 0, 40))
+    , m_ratio(AudioParam::create(context, ParamTypeDynamicsCompressorRatio, 12, 1, 20))
+    , m_attack(AudioParam::create(context, ParamTypeDynamicsCompressorAttack, 0.003, 0, 1))
+    , m_release(AudioParam::create(context, ParamTypeDynamicsCompressorRelease, 0.250, 0, 1))
 {
     setHandler(DynamicsCompressorHandler::create(
         *this,
         sampleRate,
         m_threshold->handler(),
         m_knee->handler(),
         m_ratio->handler(),
         m_attack->handler(),
         m_release->handler()));
 }
@@ skipping 43 matching lines @@
     return m_attack;
 }
 
 AudioParam* DynamicsCompressorNode::release() const
 {
     return m_release;
 }
 
 } // namespace blink