Bug 1656438 - Spell check and nits. r=padenot

Depends on D89767

Differential Revision: https://phabricator.services.mozilla.com/D89768

dom/media/AudioDriftCorrection.h

@@ -51,7 +51,7 @@ class ClockDrift final {
 
   /**
    * Update the available source frames, target frames, and the current
-   * buffering, in every iteration. If the condition are met a new correction is
+   * buffer, in every iteration. If the conditions are met a new correction is
    * calculated. A new correction is calculated in the following cases:
    *   1. Every mAdjustmentIntervalMs milliseconds (1000ms).
    *   2. Every time we run low on buffered frames (less than 20ms).
@@ -81,13 +81,13 @@ class ClockDrift final {
           resampledSourceClock *
           (static_cast<float>(mTargetRate) / static_cast<float>(mSourceRate));
     }
-    mCorrection = (float)mTargetClock / resampledSourceClock;
+    mCorrection = static_cast<float>(mTargetClock) / resampledSourceClock;
 
-    // Clamp to ragnge [0.9, 1.1] to avoid distortion
+    // Clamp to range [0.9, 1.1] to avoid distortion
     mCorrection = std::min(std::max(mCorrection, 0.9f), 1.1f);
 
-    // If previous correction slightly smaller  (-1%) ignore it to avoid
-    // recalculations. Don't do it when is greater (+1%) to avoid risking
+    // If previous correction is slightly greater (0% - +1%) ignore it to avoid
+    // recalculations. Don't ignore it when it is smaller to avoid the risk of
     // running out of frames.
     if (mPreviousCorrection - mCorrection <= 0.01 &&
         mPreviousCorrection - mCorrection > 0) {
@@ -95,7 +95,7 @@ class ClockDrift final {
     }
     mPreviousCorrection = mCorrection;
 
-    // Reset the counters to preper for the new period.
+    // Reset the counters to prepare for the next period.
     mTargetClock = 0;
     mSourceClock = 0;
   }

dom/media/DynamicResampler.cpp

@@ -119,7 +119,7 @@ void DynamicResampler::UpdateResampler(int aOutRate, int aChannels) {
       if ((mSampleFormat == AUDIO_FORMAT_S16 ||
            mSampleFormat == AUDIO_FORMAT_FLOAT32) &&
           mChannels == STEREO) {
-        // The mono channel is allways up to date. When we are going from mono
+        // The mono channel is always up to date. When we are going from mono
         // to stereo upmix the mono to stereo channel
         int bufferedDuration = mInternalInBuffer[0].AvailableRead();
         mInternalInBuffer[1].Clear();

dom/media/gtest/MockCubeb.h

@@ -214,7 +214,7 @@ class MockCubebStream {
   MediaEventSource<void>& ErrorForcedEvent() { return mErrorForcedEvent; }
 
  private:
-  // Simulates the audio thread. The thread is created at Start anda destroyed
+  // Simulates the audio thread. The thread is created at Start and destroyed
   // at Stop. At next StreamStart a new thread is created.
   static void ThreadFunction_s(MockCubebStream* that) {
     that->ThreadFunction();