Merge "Add handling of "hard" I/O errors to AudioFlinger" into 24D1-dev
diff --git a/media/libaudiohal/impl/DeviceHalAidl.cpp b/media/libaudiohal/impl/DeviceHalAidl.cpp
index 032533c..1990858 100644
--- a/media/libaudiohal/impl/DeviceHalAidl.cpp
+++ b/media/libaudiohal/impl/DeviceHalAidl.cpp
@@ -387,7 +387,7 @@
         return runCb([](CbRef cb) { cb->onWriteReady(); });
     }
     ndk::ScopedAStatus onError() override {
-        return runCb([](CbRef cb) { cb->onError(); });
+        return runCb([](CbRef cb) { cb->onError(true /*isHardError*/); });
     }
     ndk::ScopedAStatus onDrainReady() override {
         return runCb([](CbRef cb) { cb->onDrainReady(); });
diff --git a/media/libaudiohal/impl/StreamHalAidl.cpp b/media/libaudiohal/impl/StreamHalAidl.cpp
index 14634d7..5a0edd5 100644
--- a/media/libaudiohal/impl/StreamHalAidl.cpp
+++ b/media/libaudiohal/impl/StreamHalAidl.cpp
@@ -896,10 +896,10 @@
     }
 }
 
-void StreamOutHalAidl::onError() {
+void StreamOutHalAidl::onError(bool isHardError) {
     onAsyncError();
     if (auto clientCb = mClientCallback.load().promote(); clientCb != nullptr) {
-        clientCb->onError();
+        clientCb->onError(isHardError);
     }
 }
 
diff --git a/media/libaudiohal/impl/StreamHalAidl.h b/media/libaudiohal/impl/StreamHalAidl.h
index 4523cc5..9cb2cff 100644
--- a/media/libaudiohal/impl/StreamHalAidl.h
+++ b/media/libaudiohal/impl/StreamHalAidl.h
@@ -386,7 +386,7 @@
     // StreamOutHalInterfaceCallback
     void onWriteReady() override;
     void onDrainReady() override;
-    void onError() override;
+    void onError(bool isHardError) override;
 
   private:
     friend class sp<StreamOutHalAidl>;
diff --git a/media/libaudiohal/impl/StreamHalHidl.cpp b/media/libaudiohal/impl/StreamHalHidl.cpp
index 9e22700..a931fdd 100644
--- a/media/libaudiohal/impl/StreamHalHidl.cpp
+++ b/media/libaudiohal/impl/StreamHalHidl.cpp
@@ -997,7 +997,7 @@
     sp<StreamOutHalInterfaceCallback> callback = mCallback.load().promote();
     if (callback == 0) return;
     ALOGV("asyncCallback onError");
-    callback->onError();
+    callback->onError(false /*isHardError*/);
 }
 
 void StreamOutHalHidl::onCodecFormatChanged(const std::vector<uint8_t>& metadataBs) {
diff --git a/media/libaudiohal/include/media/audiohal/StreamHalInterface.h b/media/libaudiohal/include/media/audiohal/StreamHalInterface.h
index 585a895..4bd7e3d 100644
--- a/media/libaudiohal/include/media/audiohal/StreamHalInterface.h
+++ b/media/libaudiohal/include/media/audiohal/StreamHalInterface.h
@@ -107,7 +107,7 @@
   public:
     virtual void onWriteReady() {}
     virtual void onDrainReady() {}
-    virtual void onError() {}
+    virtual void onError(bool /*isHardError*/) {}
 
   protected:
     StreamOutHalInterfaceCallback() = default;
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index d5d778f..29932f4 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -2173,6 +2173,13 @@
     }
 }
 
+void AudioFlinger::onHardError(std::set<audio_port_handle_t>& trackPortIds) {
+    ALOGI("releasing tracks due to a hard error occurred on an I/O thread");
+    for (const auto portId : trackPortIds) {
+        AudioSystem::releaseOutput(portId);
+    }
+}
+
 // removeClient_l() must be called with AudioFlinger::clientMutex() held
 void AudioFlinger::removeClient_l(pid_t pid)
 {
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 4e46bea..ce62121 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -397,6 +397,8 @@
     void onSupportedLatencyModesChanged(
             audio_io_handle_t output, const std::vector<audio_latency_mode_t>& modes) final
             EXCLUDES_AudioFlinger_ClientMutex;
+    void onHardError(std::set<audio_port_handle_t>& trackPortIds) final
+            EXCLUDES_AudioFlinger_ClientMutex;
 
     // ---- end of IAfThreadCallback interface
 
diff --git a/services/audioflinger/IAfThread.h b/services/audioflinger/IAfThread.h
index 4b6ab89..c7444ad 100644
--- a/services/audioflinger/IAfThread.h
+++ b/services/audioflinger/IAfThread.h
@@ -116,9 +116,11 @@
             const sp<AudioIoDescriptor>& ioDesc,
             pid_t pid = 0) EXCLUDES_AudioFlinger_ClientMutex = 0;
     virtual void onNonOffloadableGlobalEffectEnable() EXCLUDES_AudioFlinger_Mutex = 0;
-    virtual void onSupportedLatencyModesChanged(
-            audio_io_handle_t output, const std::vector<audio_latency_mode_t>& modes)
+    virtual void onSupportedLatencyModesChanged(audio_io_handle_t output,
+                                                const std::vector<audio_latency_mode_t>& modes)
             EXCLUDES_AudioFlinger_ClientMutex = 0;
+
+    virtual void onHardError(std::set<audio_port_handle_t>& trackPortIds) = 0;
 };
 
 class IAfThreadBase : public virtual RefBase {
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index a0485ce..736ea87 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -3000,6 +3000,23 @@
     }
 }
 
+std::set<audio_port_handle_t> PlaybackThread::getTrackPortIds_l()
+{
+    std::set<int32_t> result;
+    for (const auto& t : mTracks) {
+        if (t->isExternalTrack()) {
+            result.insert(t->portId());
+        }
+    }
+    return result;
+}
+
+std::set<audio_port_handle_t> PlaybackThread::getTrackPortIds()
+{
+    audio_utils::lock_guard _l(mutex());
+    return getTrackPortIds_l();
+}
+
 String8 PlaybackThread::getParameters(const String8& keys)
 {
     audio_utils::lock_guard _l(mutex());
@@ -3053,9 +3070,9 @@
     mCallbackThread->resetDraining();
 }
 
-void PlaybackThread::onError()
+void PlaybackThread::onError(bool isHardError)
 {
-    mCallbackThread->setAsyncError();
+    mCallbackThread->setAsyncError(isHardError);
 }
 
 void PlaybackThread::onCodecFormatChanged(
@@ -5421,11 +5438,15 @@
     broadcast_l();
 }
 
-void PlaybackThread::onAsyncError()
+void PlaybackThread::onAsyncError(bool isHardError)
 {
+    auto allTrackPortIds = getTrackPortIds();
     for (int i = AUDIO_STREAM_SYSTEM; i < (int)AUDIO_STREAM_CNT; i++) {
         invalidateTracks((audio_stream_type_t)i);
     }
+    if (isHardError) {
+        mAfThreadCallback->onHardError(allTrackPortIds);
+    }
 }
 
 void MixerThread::threadLoop_mix()
@@ -7169,7 +7190,7 @@
         mPlaybackThread(playbackThread),
         mWriteAckSequence(0),
         mDrainSequence(0),
-        mAsyncError(false)
+        mAsyncError(ASYNC_ERROR_NONE)
 {
 }
 
@@ -7183,7 +7204,7 @@
     while (!exitPending()) {
         uint32_t writeAckSequence;
         uint32_t drainSequence;
-        bool asyncError;
+        AsyncError asyncError;
 
         {
             audio_utils::unique_lock _l(mutex());
@@ -7204,7 +7225,7 @@
             drainSequence = mDrainSequence;
             mDrainSequence &= ~1;
             asyncError = mAsyncError;
-            mAsyncError = false;
+            mAsyncError = ASYNC_ERROR_NONE;
         }
         {
             const sp<PlaybackThread> playbackThread = mPlaybackThread.promote();
@@ -7215,8 +7236,8 @@
                 if (drainSequence & 1) {
                     playbackThread->resetDraining(drainSequence >> 1);
                 }
-                if (asyncError) {
-                    playbackThread->onAsyncError();
+                if (asyncError != ASYNC_ERROR_NONE) {
+                    playbackThread->onAsyncError(asyncError == ASYNC_ERROR_HARD);
                 }
             }
         }
@@ -7266,10 +7287,10 @@
     }
 }
 
-void AsyncCallbackThread::setAsyncError()
+void AsyncCallbackThread::setAsyncError(bool isHardError)
 {
     audio_utils::lock_guard _l(mutex());
-    mAsyncError = true;
+    mAsyncError = isHardError ? ASYNC_ERROR_HARD : ASYNC_ERROR_SOFT;
     mWaitWorkCV.notify_one();
 }
 
diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index 86e1894..663cb0b 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -948,7 +948,7 @@
     // StreamOutHalInterfaceCallback implementation
     virtual     void        onWriteReady();
     virtual     void        onDrainReady();
-    virtual     void        onError();
+    virtual     void        onError(bool /*isHardError*/);
 
 public: // AsyncCallbackThread
                 void        resetWriteBlocked(uint32_t sequence);
@@ -960,7 +960,7 @@
     virtual bool shouldStandby_l() REQUIRES(mutex(), ThreadBase_ThreadLoop);
     virtual void onAddNewTrack_l() REQUIRES(mutex());
 public:  // AsyncCallbackThread
-                void        onAsyncError(); // error reported by AsyncCallbackThread
+                void        onAsyncError(bool isHardError); // error reported by AsyncCallbackThread
 protected:
     // StreamHalInterfaceCodecFormatCallback implementation
                 void        onCodecFormatChanged(
@@ -1373,6 +1373,8 @@
     bool destroyTrack_l(const sp<IAfTrack>& track) final REQUIRES(mutex());
 
     void removeTrack_l(const sp<IAfTrack>& track) REQUIRES(mutex());
+    std::set<audio_port_handle_t> getTrackPortIds_l() REQUIRES(mutex());
+    std::set<audio_port_handle_t> getTrackPortIds();
 
     void readOutputParameters_l() REQUIRES(mutex());
     MetadataUpdate updateMetadata_l() final REQUIRES(mutex());
@@ -1836,7 +1838,7 @@
             void        resetWriteBlocked();
             void        setDraining(uint32_t sequence);
             void        resetDraining();
-            void        setAsyncError();
+            void        setAsyncError(bool isHardError);
 
 private:
     const wp<PlaybackThread>   mPlaybackThread;
@@ -1850,7 +1852,8 @@
     uint32_t                   mDrainSequence;
     audio_utils::condition_variable mWaitWorkCV;
     mutable audio_utils::mutex mMutex{audio_utils::MutexOrder::kAsyncCallbackThread_Mutex};
-    bool                       mAsyncError;
+    enum AsyncError { ASYNC_ERROR_NONE, ASYNC_ERROR_SOFT, ASYNC_ERROR_HARD };
+    AsyncError                 mAsyncError;
 
     audio_utils::mutex& mutex() const RETURN_CAPABILITY(audio_utils::AsyncCallbackThread_Mutex) {
         return mMutex;