From cd04484f4837b8ca0041d118286ab6a98e84fc75 Mon Sep 17 00:00:00 2001
From: Andy Hung <hunga@google.com>
Date: Thu, 7 Aug 2014 11:04:34 -0700
Subject: Extend downsampling ratios greater than 2:1

Also improve robustness to choice of sampling rate or buffer size
such that increasing either by 10x does not cause overflow.

Bug: 12979141
Bug: 15933066
Change-Id: If7989bd745d1bee3bdf811b8b7c978543ccafb65
---
 services/audioflinger/AudioResamplerDyn.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'services/audioflinger/AudioResamplerDyn.cpp')

diff --git a/services/audioflinger/AudioResamplerDyn.cpp b/services/audioflinger/AudioResamplerDyn.cpp
index 159ab70..0eeb201 100644
--- a/services/audioflinger/AudioResamplerDyn.cpp
+++ b/services/audioflinger/AudioResamplerDyn.cpp
@@ -393,7 +393,7 @@ void AudioResamplerDyn<TC, TI, TO>::setSampleRate(int32_t inSampleRate)
     mPhaseFraction = static_cast<unsigned long long>(mPhaseFraction)
             * phaseWrapLimit / oldPhaseWrapLimit;
     mPhaseFraction %= phaseWrapLimit; // should not do anything, but just in case.
-    mPhaseIncrement = static_cast<uint32_t>(static_cast<double>(phaseWrapLimit)
+    mPhaseIncrement = static_cast<uint32_t>(static_cast<uint64_t>(phaseWrapLimit)
             * inSampleRate / mSampleRate);
 
     // determine which resampler to use
-- 
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