reflow comments in platform/audio

third_party/WebKit/Source/platform/audio/HRTFElevation.cpp

 /*
  * Copyright (C) 2010 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
@@ skipping 32 matching lines @@
 const unsigned HRTFElevation::InterpolationFactor = 8;
 const unsigned HRTFElevation::NumberOfTotalAzimuths =
     NumberOfRawAzimuths * InterpolationFactor;
 
 // Total number of components of an HRTF database.
 const size_t TotalNumberOfResponses = 240;
 
 // Number of frames in an individual impulse response.
 const size_t ResponseFrameSize = 256;
 
-// Sample-rate of the spatialization impulse responses as stored in the resource file.
-// The impulse responses may be resampled to a different sample-rate (depending on the audio hardware) when they are loaded.
+// Sample-rate of the spatialization impulse responses as stored in the resource
+// file.  The impulse responses may be resampled to a different sample-rate
+// (depending on the audio hardware) when they are loaded.
 const float ResponseSampleRate = 44100;
 
 #if USE(CONCATENATED_IMPULSE_RESPONSES)
 
-// This table maps the index into the elevation table with the corresponding angle. See
-// https://bugs.webkit.org/show_bug.cgi?id=98294#c9 for the elevation angles and their order in the
-// concatenated response.
+// This table maps the index into the elevation table with the corresponding
+// angle. See https://bugs.webkit.org/show_bug.cgi?id=98294#c9 for the
+// elevation angles and their order in the concatenated response.
 const int ElevationIndexTableSize = 10;
 const int ElevationIndexTable[ElevationIndexTableSize] = {
     0, 15, 30, 45, 60, 75, 90, 315, 330, 345};
 
 // Lazily load a concatenated HRTF database for given subject and store it in a
 // local hash table to ensure quick efficient future retrievals.
 static PassRefPtr<AudioBus> getConcatenatedImpulseResponsesForSubject(
     const String& subjectName) {
   typedef HashMap<String, RefPtr<AudioBus>> AudioBusMap;
   DEFINE_THREAD_SAFE_STATIC_LOCAL(AudioBusMap, audioBusMap, new AudioBusMap());
@@ skipping 45 matching lines @@
   ASSERT(isAzimuthGood);
   if (!isAzimuthGood)
     return false;
 
   bool isElevationGood =
       elevation >= -45 && elevation <= 90 && (elevation / 15) * 15 == elevation;
   ASSERT(isElevationGood);
   if (!isElevationGood)
     return false;
 
-  // Construct the resource name from the subject name, azimuth, and elevation, for example:
+  // Construct the resource name from the subject name, azimuth, and elevation,
+  // for example:
   // "IRC_Composite_C_R0195_T015_P000"
-  // Note: the passed in subjectName is not a string passed in via JavaScript or the web.
-  // It's passed in as an internal ASCII identifier and is an implementation detail.
+  // Note: the passed in subjectName is not a string passed in via JavaScript or
+  // the web.  It's passed in as an internal ASCII identifier and is an
+  // implementation detail.
   int positiveElevation = elevation < 0 ? elevation + 360 : elevation;
 
 #if USE(CONCATENATED_IMPULSE_RESPONSES)
   RefPtr<AudioBus> bus(getConcatenatedImpulseResponsesForSubject(subjectName));
 
   if (!bus)
     return false;
 
   // Just sequentially search the table to find the correct index.
   int elevationIndex = -1;
@@ skipping 57 matching lines @@
   ASSERT(isBusGood);
   if (!isBusGood)
     return false;
 
   AudioChannel* leftEarImpulseResponse =
       impulseResponse->channelByType(AudioBus::ChannelLeft);
   AudioChannel* rightEarImpulseResponse =
       impulseResponse->channelByType(AudioBus::ChannelRight);
 #endif
 
-  // Note that depending on the fftSize returned by the panner, we may be truncating the impulse response we just loaded in.
+  // Note that depending on the fftSize returned by the panner, we may be
+  // truncating the impulse response we just loaded in.
   const size_t fftSize = HRTFPanner::fftSizeForSampleRate(sampleRate);
   kernelL = HRTFKernel::create(leftEarImpulseResponse, fftSize, sampleRate);
   kernelR = HRTFKernel::create(rightEarImpulseResponse, fftSize, sampleRate);
 
   return true;
 }
 
-// The range of elevations for the IRCAM impulse responses varies depending on azimuth, but the minimum elevation appears to always be -45.
+// The range of elevations for the IRCAM impulse responses varies depending on
+// azimuth, but the minimum elevation appears to always be -45.
 //
 // Here's how it goes:
 static int maxElevations[] = {
     //  Azimuth
     //
     90,  // 0
     45,  // 15
     60,  // 30
     45,  // 45
     75,  // 60
@@ skipping 142 matching lines @@
   double frameDelay2R = m_kernelListR->at(azimuthIndex2)->frameDelay();
 
   // Linearly interpolate delays.
   frameDelayL =
       (1.0 - azimuthBlend) * frameDelayL + azimuthBlend * frameDelay2L;
   frameDelayR =
       (1.0 - azimuthBlend) * frameDelayR + azimuthBlend * frameDelay2R;
 }
 
 }  // namespace blink