Move utility functions for sample rate to AudioUtilities.

Source/modules/webaudio/OfflineAudioContext.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 15 matching lines @@
 
 #if ENABLE(WEB_AUDIO)
 
 #include "modules/webaudio/OfflineAudioContext.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
+#include "platform/audio/AudioUtilities.h"
 
 namespace blink {
 
 OfflineAudioContext* OfflineAudioContext::create(ExecutionContext* context, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState& exceptionState)
 {
     // FIXME: add support for workers.
     if (!context || !context->isDocument()) {
         exceptionState.throwDOMException(
             NotSupportedError,
             "Workers are not supported.");
@@ skipping 13 matching lines @@
             ExceptionMessages::indexOutsideRange<unsigned>(
                 "number of channels",
                 numberOfChannels,
                 0,
                 ExceptionMessages::InclusiveBound,
                 AudioContext::maxNumberOfChannels(),
                 ExceptionMessages::InclusiveBound));
         return 0;
     }
 
-    if (!isSampleRateRangeGood(sampleRate)) {
-        exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::indexOutsideRange(
-            "sampleRate", sampleRate, 3000.f, ExceptionMessages::InclusiveBound, 192000.f, ExceptionMessages::InclusiveBound));
+    if (!AudioUtilities::isValidAudioBufferSampleRate(sampleRate)) {
+        exceptionState.throwDOMException(
+            IndexSizeError,
+            ExceptionMessages::indexOutsideRange(
+                "sampleRate", sampleRate,
+                AudioUtilities::minAudioBufferSampleRate(), ExceptionMessages::InclusiveBound,
+                AudioUtilities::maxAudioBufferSampleRate(), ExceptionMessages::InclusiveBound));
         return nullptr;
     }
 
     OfflineAudioContext* audioContext = adoptRefCountedGarbageCollectedWillBeNoop(new OfflineAudioContext(document, numberOfChannels, numberOfFrames, sampleRate));
 
     if (!audioContext->destination()) {
         exceptionState.throwDOMException(
             NotSupportedError,
             "OfflineAudioContext(" + String::number(numberOfChannels)
             + ", " + String::number(numberOfFrames)
@@ skipping 10 matching lines @@
 {
 }
 
 OfflineAudioContext::~OfflineAudioContext()
 {
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)