Merge "AudioTrack: Enforce worker thread join in dtor" into main

AudioTrack::AudioTrack(const AttributionSourceState& attributionSource)

    : mClientAttributionSource(attributionSource)

{

}

AudioTrack::AudioTrack(

        float maxRequiredSpeed,

        audio_port_handle_t selectedDeviceId)

{

    // make_unique does not aggregate init until c++20

    mSetParams = std::make_unique<SetParams>(

        streamType, sampleRate, format, channelMask, frameCount, flags, callback,

        notificationFrames, nullptr /*sharedBuffer*/, false /*threadCanCallJava*/,

}

void AudioTrack::stopAndJoinCallbacks() {

    // Prevent nullptr crash if it did not open properly.

    if (mStatus != NO_ERROR) return;

    // Make sure that callback function exits in the case where

    // it is looping on buffer full condition in obtainBuffer().

    // Otherwise the callback thread will never exit.

    const int64_t beginNs = systemTime();

    AutoMutex lock(mLock);

    if (mProxy == nullptr) return;  // not successfully initialized.

    mediametrics::Defer defer([&]() {

        mediametrics::LogItem(mMetricsId)

            .set(AMEDIAMETRICS_PROP_EVENT, AMEDIAMETRICS_PROP_EVENT_VALUE_STOP)

    EXPECT_EQ(NO_INIT, at->initCheck());

    EXPECT_EQ(true, at->stopped());

    // ensure we do not crash.

    at->stop();

}

TEST(AudioTrackTest, TestPlayTrack) {