reflow comments in platform/audio

third_party/WebKit/Source/platform/audio/AudioResamplerKernel.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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
  */
 
 #include "platform/audio/AudioResamplerKernel.h"
 #include "platform/audio/AudioResampler.h"
 #include "wtf/MathExtras.h"
 
 namespace blink {
 
 const size_t AudioResamplerKernel::MaxFramesToProcess = 128;
 
 AudioResamplerKernel::AudioResamplerKernel(AudioResampler* resampler)
-    : m_resampler(resampler)
-      // The buffer size must be large enough to hold up to two extra sample frames for the linear interpolation.
-      ,
+    : m_resampler(resampler),
+      // The buffer size must be large enough to hold up to two extra sample
+      // frames for the linear interpolation.
       m_sourceBuffer(
           2 + static_cast<int>(MaxFramesToProcess * AudioResampler::MaxRate)),
       m_virtualReadIndex(0.0),
       m_fillIndex(0) {
   m_lastValues[0] = 0.0f;
   m_lastValues[1] = 0.0f;
 }
 
 float* AudioResamplerKernel::getSourcePointer(
     size_t framesToProcess,
     size_t* numberOfSourceFramesNeededP) {
   ASSERT(framesToProcess <= MaxFramesToProcess);
 
-  // Calculate the next "virtual" index.  After process() is called, m_virtualReadIndex will equal this value.
+  // Calculate the next "virtual" index.  After process() is called,
+  // m_virtualReadIndex will equal this value.
   double nextFractionalIndex = m_virtualReadIndex + framesToProcess * rate();
 
-  // Because we're linearly interpolating between the previous and next sample we need to round up so we include the next sample.
+  // Because we're linearly interpolating between the previous and next sample
+  // we need to round up so we include the next sample.
   int endIndex = static_cast<int>(nextFractionalIndex +
                                   1.0);  // round up to next integer index
 
   // Determine how many input frames we'll need.
-  // We need to fill the buffer up to and including endIndex (so add 1) but we've already buffered m_fillIndex frames from last time.
+  // We need to fill the buffer up to and including endIndex (so add 1) but
+  // we've already buffered m_fillIndex frames from last time.
   size_t framesNeeded = 1 + endIndex - m_fillIndex;
   if (numberOfSourceFramesNeededP)
     *numberOfSourceFramesNeededP = framesNeeded;
 
   // Do bounds checking for the source buffer.
   bool isGood = m_fillIndex < m_sourceBuffer.size() &&
                 m_fillIndex + framesNeeded <= m_sourceBuffer.size();
   ASSERT(isGood);
   if (!isGood)
     return 0;
@@ skipping 35 matching lines @@
     double sample2 = source[readIndex + 1];
 
     double sample =
         (1.0 - interpolationFactor) * sample1 + interpolationFactor * sample2;
 
     *destination++ = static_cast<float>(sample);
 
     virtualReadIndex += rate;
   }
 
-  // Save the last two sample-frames which will later be used at the beginning of the source buffer the next time around.
+  // Save the last two sample-frames which will later be used at the beginning
+  // of the source buffer the next time around.
   int readIndex = static_cast<int>(virtualReadIndex);
   m_lastValues[0] = source[readIndex];
   m_lastValues[1] = source[readIndex + 1];
   m_fillIndex = 2;
 
   // Wrap the virtual read index back to the start of the buffer.
   virtualReadIndex -= readIndex;
 
   // Put local copy back into member variable.
   m_virtualReadIndex = virtualReadIndex;
 }
 
 void AudioResamplerKernel::reset() {
   m_virtualReadIndex = 0.0;
   m_fillIndex = 0;
   m_lastValues[0] = 0.0f;
   m_lastValues[1] = 0.0f;
 }
 
 double AudioResamplerKernel::rate() const {
   return m_resampler->rate();
 }
 
 }  // namespace blink