summaryrefslogtreecommitdiffstats
path: root/services/audioflinger/FastCapture.cpp
diff options
context:
space:
mode:
authorAndy Hung <hunga@google.com>2015-09-21 12:44:54 -0700
committerGlenn Kasten <gkasten@google.com>2015-10-13 12:17:53 -0700
commit4c6e77ff8e18a1551320a6b42f6a45e19dcce748 (patch)
tree97d86a674d1cecec6da60dfb0ec0c2eae1e2b644 /services/audioflinger/FastCapture.cpp
parent5076a51e0572246f7062e48761766c01f17233c2 (diff)
downloadframeworks_av-4c6e77ff8e18a1551320a6b42f6a45e19dcce748.zip
frameworks_av-4c6e77ff8e18a1551320a6b42f6a45e19dcce748.tar.gz
frameworks_av-4c6e77ff8e18a1551320a6b42f6a45e19dcce748.tar.bz2
AudioFlinger: Clear record buffers when starting RecordThread
Bug: 24211743 Bug: 24267152 Change-Id: I58c55e56b85067b71e4e300f947b4dfc159637ba
Diffstat (limited to 'services/audioflinger/FastCapture.cpp')
-rw-r--r--services/audioflinger/FastCapture.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/services/audioflinger/FastCapture.cpp b/services/audioflinger/FastCapture.cpp
index 79ac12b..1bba5f6 100644
--- a/services/audioflinger/FastCapture.cpp
+++ b/services/audioflinger/FastCapture.cpp
@@ -131,7 +131,9 @@ void FastCapture::onStateChange()
// FIXME new may block for unbounded time at internal mutex of the heap
// implementation; it would be better to have normal capture thread allocate for
// us to avoid blocking here and to prevent possible priority inversion
- (void)posix_memalign(&mReadBuffer, 32, frameCount * Format_frameSize(mFormat));
+ size_t bufferSize = frameCount * Format_frameSize(mFormat);
+ (void)posix_memalign(&mReadBuffer, 32, bufferSize);
+ memset(mReadBuffer, 0, bufferSize); // if posix_memalign fails, will segv here.
mPeriodNs = (frameCount * 1000000000LL) / mSampleRate; // 1.00
mUnderrunNs = (frameCount * 1750000000LL) / mSampleRate; // 1.75
mOverrunNs = (frameCount * 500000000LL) / mSampleRate; // 0.50