Snap for 5339334 from bd6dc464586edade39b3bcac6f6f0d3b2d5d1077 to pi-qpr3-release
Change-Id: Id6e65d59c8f170c39a0d4f92615dc0bd87d1ac5f
diff --git a/media/libmedia/Visualizer.cpp b/media/libmedia/Visualizer.cpp
index 4984b18..cb8d375 100644
--- a/media/libmedia/Visualizer.cpp
+++ b/media/libmedia/Visualizer.cpp
@@ -56,6 +56,19 @@
setCaptureCallBack(NULL, NULL, 0, 0);
}
+void Visualizer::release()
+{
+ ALOGV("Visualizer::release()");
+ setEnabled(false);
+ Mutex::Autolock _l(mCaptureLock);
+
+ mCaptureThread.clear();
+ mCaptureCallBack = NULL;
+ mCaptureCbkUser = NULL;
+ mCaptureFlags = 0;
+ mCaptureRate = 0;
+}
+
status_t Visualizer::setEnabled(bool enabled)
{
Mutex::Autolock _l(mCaptureLock);
@@ -115,7 +128,7 @@
mCaptureRate = rate;
if (cbk != NULL) {
- mCaptureThread = new CaptureThread(*this, rate, ((flags & CAPTURE_CALL_JAVA) != 0));
+ mCaptureThread = new CaptureThread(this, rate, ((flags & CAPTURE_CALL_JAVA) != 0));
}
ALOGV("setCaptureCallBack() rate: %d thread %p flags 0x%08x",
rate, mCaptureThread.get(), mCaptureFlags);
@@ -402,7 +415,7 @@
//-------------------------------------------------------------------------
-Visualizer::CaptureThread::CaptureThread(Visualizer& receiver, uint32_t captureRate,
+Visualizer::CaptureThread::CaptureThread(Visualizer* receiver, uint32_t captureRate,
bool bCanCallJava)
: Thread(bCanCallJava), mReceiver(receiver)
{
@@ -413,10 +426,14 @@
bool Visualizer::CaptureThread::threadLoop()
{
ALOGV("CaptureThread %p enter", this);
+ sp<Visualizer> receiver = mReceiver.promote();
+ if (receiver == NULL) {
+ return false;
+ }
while (!exitPending())
{
usleep(mSleepTimeUs);
- mReceiver.periodicCapture();
+ receiver->periodicCapture();
}
ALOGV("CaptureThread %p exiting", this);
return false;
diff --git a/media/libmedia/include/media/Visualizer.h b/media/libmedia/include/media/Visualizer.h
index f8f4f50..8078e36 100644
--- a/media/libmedia/include/media/Visualizer.h
+++ b/media/libmedia/include/media/Visualizer.h
@@ -131,6 +131,7 @@
// getCaptureSize() but the length of the FFT is half of the size (both parts of the spectrum
// are returned
status_t getFft(uint8_t *fft);
+ void release();
protected:
// from IEffectClient
@@ -146,12 +147,12 @@
class CaptureThread : public Thread
{
public:
- CaptureThread(Visualizer& receiver, uint32_t captureRate, bool bCanCallJava = false);
+ CaptureThread(Visualizer* visualizer, uint32_t captureRate, bool bCanCallJava = false);
private:
friend class Visualizer;
virtual bool threadLoop();
- Visualizer& mReceiver;
+ wp<Visualizer> mReceiver;
Mutex mLock;
uint32_t mSleepTimeUs;
};
