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b=898291 erase azimuth/elevation history when reset()ing HRTFPanner r=ehsan

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so that old cross-fade info does not distort new sound when a PannerNode
finishes and restarts.

--HG--
extra : transplant_source : I%A9%DAx%9F%AE%B8%88%90FN%3B%3E%FC%FE%827%CB%10%8C
This commit is contained in:
Karl Tomlinson 2013-10-25 14:05:42 +13:00
parent 44c05b6e2a
commit 8c4aae7b76
1 changed files with 7 additions and 2 deletions
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9
content/media/webaudio/blink/HRTFPanner.cpp
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@ -47,9 +47,8 @@ HRTFPanner::HRTFPanner(float sampleRate, mozilla::TemporaryRef<HRTFDatabaseLoade
, m_sampleRate(sampleRate)
, m_crossfadeSelection(CrossfadeSelection1)
, m_azimuthIndex1(UninitializedAzimuth)
, m_elevation1(0)
, m_azimuthIndex2(UninitializedAzimuth)
, m_elevation2(0)
// m_elevation1 and m_elevation2 are initialized in pan()
, m_crossfadeX(0)
, m_crossfadeIncr(0)
, m_convolverL1(HRTFElevation::fftSizeForSampleRate(sampleRate))
@ -77,6 +76,12 @@ HRTFPanner::~HRTFPanner()
void HRTFPanner::reset()
{
m_azimuthIndex1 = UninitializedAzimuth;
m_azimuthIndex2 = UninitializedAzimuth;
// m_elevation1 and m_elevation2 are initialized in pan()
m_crossfadeSelection = CrossfadeSelection1;
m_crossfadeX = 0.0f;
m_crossfadeIncr = 0.0f;
m_convolverL1.reset();
m_convolverR1.reset();
m_convolverL2.reset();