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Commit 6965d391 authored by Andy Hung's avatar Andy Hung Committed by Gerrit Code Review
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Merge "Thread: Add ThreadBase_ThreadLoop capability" into main

parents 101683ca 160664b4

services/audioflinger/IAfThread.h

+2 −2
Original line number Diff line number Diff line
@@ -464,8 +464,8 @@ public: 
    virtual void addOutputTrack_l(const sp<IAfTrack>& track) REQUIRES(mutex()) = 0;



    virtual AudioStreamOut* getOutput_l() const REQUIRES(mutex()) = 0;

    virtual AudioStreamOut* getOutput() const = 0;

    virtual AudioStreamOut* clearOutput() = 0;

    virtual AudioStreamOut* getOutput() const EXCLUDES_ThreadBase_Mutex = 0;

    virtual AudioStreamOut* clearOutput() EXCLUDES_ThreadBase_Mutex = 0;



    // a very large number of suspend() will eventually wraparound, but unlikely

    virtual void suspend() = 0;

services/audioflinger/Threads.cpp

+16 −13
Original line number Diff line number Diff line
@@ -2360,10 +2360,7 @@ void PlaybackThread::dumpInternals_l(int fd, const Vector<String16>& args) 
    dprintf(fd, "  Total writes: %d\n", mNumWrites);

    dprintf(fd, "  Delayed writes: %d\n", mNumDelayedWrites);

    dprintf(fd, "  Blocked in write: %s\n", mInWrite ? "yes" : "no");

    dprintf(fd, "  Suspend count: %d\n", mSuspended);

    dprintf(fd, "  Sink buffer : %p\n", mSinkBuffer);

    dprintf(fd, "  Mixer buffer: %p\n", mMixerBuffer);

    dprintf(fd, "  Effect buffer: %p\n", mEffectBuffer);

    dprintf(fd, "  Suspend count: %d\n", (int32_t)mSuspended);

    dprintf(fd, "  Fast track availMask=%#x\n", mFastTrackAvailMask);

    dprintf(fd, "  Standby delay ns=%lld\n", (long long)mStandbyDelayNs);

    AudioStreamOut *output = mOutput;
@@ -2436,6 +2433,7 @@ sp<IAfTrack> PlaybackThread::createTrack_l( 
    }



    if (isBitPerfect) {

        audio_utils::lock_guard _l(mutex());

        sp<IAfEffectChain> chain = getEffectChain_l(sessionId);

        if (chain.get() != nullptr) {

            // Bit-perfect is required according to the configuration and preferred mixer
@@ -2862,7 +2860,6 @@ void PlaybackThread::setVolumeForOutput_l(float left, float right) const 


// addTrack_l() must be called with ThreadBase::mutex() held

status_t PlaybackThread::addTrack_l(const sp<IAfTrack>& track)

NO_THREAD_SAFETY_ANALYSIS  // release and re-acquire mutex()

{

    status_t status = ALREADY_EXISTS;
@@ -4690,7 +4687,7 @@ void PlaybackThread::collectTimestamps_l() 
            // and we use systemTime().

            mTimestamp.mPosition[ExtendedTimestamp::LOCATION_SERVER] = mFramesWritten;

            mTimestamp.mTimeNs[ExtendedTimestamp::LOCATION_SERVER] = mLastIoBeginNs == -1

                    ? systemTime() : mLastIoBeginNs;

                    ? systemTime() : (int64_t)mLastIoBeginNs;

        }



        for (const sp<IAfTrack>& t : mActiveTracks) {
@@ -5331,7 +5328,8 @@ bool PlaybackThread::waitingAsyncCallback() 
// shared by MIXER and DIRECT, overridden by DUPLICATING

void PlaybackThread::threadLoop_standby()

{

    ALOGV("Audio hardware entering standby, mixer %p, suspend count %d", this, mSuspended);

    ALOGV("%s: audio hardware entering standby, mixer %p, suspend count %d",

            __func__, this, (int32_t)mSuspended);

    mOutput->standby();

    if (mUseAsyncWrite != 0) {

        // discard any pending drain or write ack by incrementing sequence
@@ -6372,7 +6370,7 @@ bool MixerThread::checkForNewParameter_l(const String8& keyValuePair, 
void MixerThread::dumpInternals_l(int fd, const Vector<String16>& args)

{

    PlaybackThread::dumpInternals_l(fd, args);

    dprintf(fd, "  Thread throttle time (msecs): %u\n", mThreadThrottleTimeMs);

    dprintf(fd, "  Thread throttle time (msecs): %u\n", (uint32_t)mThreadThrottleTimeMs);

    dprintf(fd, "  AudioMixer tracks: %s\n", mAudioMixer->trackNames().c_str());

    dprintf(fd, "  Master mono: %s\n", mMasterMono ? "on" : "off");

    dprintf(fd, "  Master balance: %f (%s)\n", mMasterBalance.load(),
@@ -7710,8 +7708,13 @@ void DuplicatingThread::removeOutputTrack(IAfPlaybackThread* thread) 
            mOutputTracks[i]->destroy();

            mOutputTracks.removeAt(i);

            updateWaitTime_l();

            if (thread->getOutput() == mOutput) {

                mOutput = NULL;

            // NO_THREAD_SAFETY_ANALYSIS

            // Lambda workaround: as thread != this

            // we can safely call the remote thread getOutput.

            const bool equalOutput =

                    [&](){ return thread->getOutput() == mOutput; }();

            if (equalOutput) {

                mOutput = nullptr;

            }

            return;

        }
@@ -10043,7 +10046,7 @@ void MmapThread::disconnect() 
}





void MmapThread::configure(const audio_attributes_t* attr,

void MmapThread::configure_l(const audio_attributes_t* attr,

                                                audio_stream_type_t streamType __unused,

                                                audio_session_t sessionId,

                                                const sp<MmapStreamCallback>& callback,
@@ -10712,7 +10715,6 @@ status_t MmapThread::checkEffectCompatibility_l( 
}



void MmapThread::checkInvalidTracks_l()

NO_THREAD_SAFETY_ANALYSIS  // release and re-acquire mutex()

{

    sp<MmapStreamCallback> callback;

    for (const sp<IAfMmapTrack>& track : mActiveTracks) {
@@ -10810,7 +10812,8 @@ void MmapPlaybackThread::configure(const audio_attributes_t* attr, 
                                                audio_port_handle_t deviceId,

                                                audio_port_handle_t portId)

{

    MmapThread::configure(attr, streamType, sessionId, callback, deviceId, portId);

    audio_utils::lock_guard l(mutex());

    MmapThread::configure_l(attr, streamType, sessionId, callback, deviceId, portId);

    mStreamType = streamType;

}

services/audioflinger/Threads.h

+200 −141

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