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b=933304 apply PannerNode input gain to both channels, even for stereo input r=padenot

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--HG--
extra : transplant_source : %BE%A54%E4%8Ezy%AC%FC%BD2%7D%A0h%BB%E0%25%60%94%CA
This commit is contained in:
Karl Tomlinson 2014-01-28 18:14:25 +13:00
parent affab9414f
commit a3d1456e4e
1 changed files with 3 additions and 3 deletions
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6
content/media/webaudio/PannerNode.cpp
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@ -353,8 +353,8 @@ PannerNodeEngine::EqualPowerPanningFunction(const AudioChunk& aInput,
distanceGain = ComputeDistanceGain();
// Actually compute the left and right gain.
gainL = cos(0.5 * M_PI * normalizedAzimuth) * aInput.mVolume;
gainR = sin(0.5 * M_PI * normalizedAzimuth) * aInput.mVolume;
gainL = cos(0.5 * M_PI * normalizedAzimuth);
gainR = sin(0.5 * M_PI * normalizedAzimuth);
// Compute the output.
if (inputChannels == 1) {
@ -363,7 +363,7 @@ PannerNodeEngine::EqualPowerPanningFunction(const AudioChunk& aInput,
GainStereoToStereo(aInput, aOutput, gainL, gainR, azimuth);
}
DistanceAndConeGain(aOutput, distanceGain * coneGain);
DistanceAndConeGain(aOutput, distanceGain * coneGain * aInput.mVolume);
}
void