Bug 1483174 use float constants with float delay time variables r=padenot

Differential Revision: https://phabricator.services.mozilla.com/D3396

--HG--
extra : moz-landing-system : lando

dom/media/webaudio/DelayBuffer.cpp

@@ -128,7 +128,7 @@ DelayBuffer::ReadChannels(const float aPerFrameDelays[WEBAUDIO_BLOCK_SIZE],
 
   for (unsigned i = 0; i < WEBAUDIO_BLOCK_SIZE; ++i) {
     float currentDelay = aPerFrameDelays[i];
-    MOZ_ASSERT(currentDelay >= 0.0);
+    MOZ_ASSERT(currentDelay >= 0.0f);
     MOZ_ASSERT(currentDelay <= (mChunks.Length() - 1) * WEBAUDIO_BLOCK_SIZE);
 
     // Interpolate two input frames in case the read position does not match
@@ -148,7 +148,7 @@ DelayBuffer::ReadChannels(const float aPerFrameDelays[WEBAUDIO_BLOCK_SIZE],
       // considered for determining totalChannelCount.
       // mVolume is not set on default initialized chunks so also handle null
       // chunks specially.
-      if (interpolationFactor != 0.0 && !mChunks[readChunk].IsNull()) {
+      if (interpolationFactor != 0.0f && !mChunks[readChunk].IsNull()) {
         int readOffset = OffsetForPosition(positions[tick]);
         UpdateUpmixChannels(readChunk, totalChannelCount,
                             aChannelInterpretation);
@@ -160,7 +160,7 @@ DelayBuffer::ReadChannels(const float aPerFrameDelays[WEBAUDIO_BLOCK_SIZE],
         }
       }
 
-      interpolationFactor = 1.0 - interpolationFactor;
+      interpolationFactor = 1.0f - interpolationFactor;
     }
   }
 }

dom/media/webaudio/blink/HRTFPanner.cpp

@@ -37,7 +37,7 @@ namespace WebCore {
 
 // The value of 2 milliseconds is larger than the largest delay which exists in any HRTFKernel from the default HRTFDatabase (0.0136 seconds).
 // We ASSERT the delay values used in process() with this value.
-const float MaxDelayTimeSeconds = 0.002;
+const float MaxDelayTimeSeconds = 0.002f;
 
 const int UninitializedAzimuth = -1;
 const unsigned RenderingQuantum = WEBAUDIO_BLOCK_SIZE;