Merge change 20381

* changes:
  Clean-up of API for filtering contacts by phone or email. The api is now symmetrical.
diff --git a/libs/audioflinger/A2dpAudioInterface.cpp b/libs/audioflinger/A2dpAudioInterface.cpp
index 6f9e934..20db8a5 100644
--- a/libs/audioflinger/A2dpAudioInterface.cpp
+++ b/libs/audioflinger/A2dpAudioInterface.cpp
@@ -89,7 +89,7 @@
 
 void A2dpAudioInterface::closeOutputStream(AudioStreamOut* out) {
     if (mOutput == 0 || mOutput != out) {
-        LOGW("Attempt to close invalid output stream");
+        mHardwareInterface->closeOutputStream(out);
     }
     else {
         delete mOutput;
diff --git a/libs/audioflinger/AudioDumpInterface.cpp b/libs/audioflinger/AudioDumpInterface.cpp
index 87bb014..858e5aa 100644
--- a/libs/audioflinger/AudioDumpInterface.cpp
+++ b/libs/audioflinger/AudioDumpInterface.cpp
@@ -71,9 +71,21 @@
             }
         }
     } else {
-        if (format != 0 && *format != 0) lFormat = *format;
-        if (channels != 0 && *channels != 0) lChannels = *channels;
-        if (sampleRate != 0 && *sampleRate != 0) lRate = *sampleRate;
+        if (format != 0 && *format != 0) {
+            lFormat = *format;
+        } else {
+            lFormat = AudioSystem::PCM_16_BIT;
+        }
+        if (channels != 0 && *channels != 0) {
+            lChannels = *channels;
+        } else {
+            lChannels = AudioSystem::CHANNEL_OUT_STEREO;
+        }
+        if (sampleRate != 0 && *sampleRate != 0) {
+            lRate = *sampleRate;
+        } else {
+            lRate = 44100;
+        }
         if (status) *status = NO_ERROR;
     }
     LOGV("openOutputStream(), outFinal %p", outFinal);
@@ -93,9 +105,13 @@
         LOGW("Attempt to close invalid output stream");
         return;
     }
+
+    LOGV("closeOutputStream() output %p", out);
+
     dumpOut->standby();
     if (dumpOut->finalStream() != NULL) {
         mFinalInterface->closeOutputStream(dumpOut->finalStream());
+        mFirstHwOutput = true;
     }
 
     mOutputs.remove(dumpOut);
@@ -159,7 +175,7 @@
 
     if (param.get(String8("test_cmd_file_name"), value) == NO_ERROR) {
         mFileName = value;
-        return NO_ERROR;
+        param.remove(String8("test_cmd_file_name"));
     }
     if (param.get(String8("test_cmd_policy"), value) == NO_ERROR) {
         Mutex::Autolock _l(mLock);
@@ -176,21 +192,35 @@
 String8 AudioDumpInterface::getParameters(const String8& keys)
 {
     AudioParameter param = AudioParameter(keys);
+    AudioParameter response;
     String8 value;
 
 //    LOGV("getParameters %s", keys.string());
-
-    if (param.get(String8("test_cmd_file_name"), value) == NO_ERROR) {
-        return mFileName;
-    }
     if (param.get(String8("test_cmd_policy"), value) == NO_ERROR) {
         Mutex::Autolock _l(mLock);
+        if (mPolicyCommands.length() != 0) {
+            response = AudioParameter(mPolicyCommands);
+            response.addInt(String8("test_cmd_policy"), 1);
+        } else {
+            response.addInt(String8("test_cmd_policy"), 0);
+        }
+        param.remove(String8("test_cmd_policy"));
 //        LOGV("test_cmd_policy command %s read", mPolicyCommands.string());
-        return mPolicyCommands;
     }
 
-    if (mFinalInterface != 0 ) return mFinalInterface->getParameters(keys);
-    return String8("");
+    if (param.get(String8("test_cmd_file_name"), value) == NO_ERROR) {
+        response.add(String8("test_cmd_file_name"), mFileName);
+        param.remove(String8("test_cmd_file_name"));
+    }
+
+    String8 keyValuePairs = response.toString();
+
+    if (param.size() && mFinalInterface != 0 ) {
+        keyValuePairs += ";";
+        keyValuePairs += mFinalInterface->getParameters(param.toString());
+    }
+
+    return keyValuePairs;
 }
 
 
@@ -213,6 +243,7 @@
 
 AudioStreamOutDump::~AudioStreamOutDump()
 {
+    LOGV("AudioStreamOutDump destructor");
     Close();
 }
 
@@ -283,15 +314,55 @@
 }
 status_t AudioStreamOutDump::setParameters(const String8& keyValuePairs)
 {
-    LOGV("AudioStreamOutDump::setParameters()");
-    if (mFinalStream != 0 ) return mFinalStream->setParameters(keyValuePairs);
-    return NO_ERROR;
+    LOGV("AudioStreamOutDump::setParameters %s", keyValuePairs.string());
+
+    if (mFinalStream != 0 ) {
+        return mFinalStream->setParameters(keyValuePairs);
+    }
+
+    AudioParameter param = AudioParameter(keyValuePairs);
+    String8 value;
+    int valueInt;
+    status_t status = NO_ERROR;
+
+    if (param.getInt(String8("set_id"), valueInt) == NO_ERROR) {
+        mId = valueInt;
+    }
+
+    if (param.getInt(String8("format"), valueInt) == NO_ERROR) {
+        if (mOutFile == 0) {
+            mFormat = valueInt;
+        } else {
+            status = INVALID_OPERATION;
+        }
+    }
+    if (param.getInt(String8("channels"), valueInt) == NO_ERROR) {
+        if (valueInt == AudioSystem::CHANNEL_OUT_STEREO || valueInt == AudioSystem::CHANNEL_OUT_MONO) {
+            mChannels = valueInt;
+        } else {
+            status = BAD_VALUE;
+        }
+    }
+    if (param.getInt(String8("sampling_rate"), valueInt) == NO_ERROR) {
+        if (valueInt > 0 && valueInt <= 48000) {
+            if (mOutFile == 0) {
+                mSampleRate = valueInt;
+            } else {
+                status = INVALID_OPERATION;
+            }
+        } else {
+            status = BAD_VALUE;
+        }
+    }
+    return status;
 }
+
 String8 AudioStreamOutDump::getParameters(const String8& keys)
 {
-    String8 result = String8("");
-    if (mFinalStream != 0 ) result = mFinalStream->getParameters(keys);
-    return result;
+    if (mFinalStream != 0 ) return mFinalStream->getParameters(keys);
+
+    AudioParameter param = AudioParameter(keys);
+    return param.toString();
 }
 
 status_t AudioStreamOutDump::dump(int fd, const Vector<String16>& args)
@@ -426,9 +497,10 @@
 
 String8 AudioStreamInDump::getParameters(const String8& keys)
 {
-    String8 result = String8("");
-    if (mFinalStream != 0 ) result = mFinalStream->getParameters(keys);
-    return result;
+    if (mFinalStream != 0 ) return mFinalStream->getParameters(keys);
+
+    AudioParameter param = AudioParameter(keys);
+    return param.toString();
 }
 
 status_t AudioStreamInDump::dump(int fd, const Vector<String16>& args)
diff --git a/libs/audioflinger/AudioDumpInterface.h b/libs/audioflinger/AudioDumpInterface.h
index 4de4a16..1136ce1 100644
--- a/libs/audioflinger/AudioDumpInterface.h
+++ b/libs/audioflinger/AudioDumpInterface.h
@@ -57,6 +57,7 @@
     AudioStreamOut*     finalStream() { return mFinalStream; }
     uint32_t            device() { return mDevice; }
 
+    int                 getId()  { return mId; }
 private:
     AudioDumpInterface *mInterface;
     int                  mId;
diff --git a/libs/audioflinger/AudioFlinger.cpp b/libs/audioflinger/AudioFlinger.cpp
index 232ffb0..3276cdf 100644
--- a/libs/audioflinger/AudioFlinger.cpp
+++ b/libs/audioflinger/AudioFlinger.cpp
@@ -115,7 +115,7 @@
 
 AudioFlinger::AudioFlinger()
     : BnAudioFlinger(),
-        mAudioHardware(0), mMasterVolume(1.0f), mMasterMute(false)
+        mAudioHardware(0), mMasterVolume(1.0f), mMasterMute(false), mNextThreadId(0)
 {
     mHardwareStatus = AUDIO_HW_IDLE;
 
@@ -231,12 +231,12 @@
 
         // dump playback threads
         for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
-            mPlaybackThreads[i]->dump(fd, args);
+            mPlaybackThreads.valueAt(i)->dump(fd, args);
         }
 
         // dump record threads
         for (size_t i = 0; i < mRecordThreads.size(); i++) {
-            mRecordThreads[i]->dump(fd, args);
+            mRecordThreads.valueAt(i)->dump(fd, args);
         }
 
         if (mAudioHardware) {
@@ -260,7 +260,7 @@
         int frameCount,
         uint32_t flags,
         const sp<IMemory>& sharedBuffer,
-        void *output,
+        int output,
         status_t *status)
 {
     sp<PlaybackThread::Track> track;
@@ -308,56 +308,56 @@
     return trackHandle;
 }
 
-uint32_t AudioFlinger::sampleRate(void *output) const
+uint32_t AudioFlinger::sampleRate(int output) const
 {
     Mutex::Autolock _l(mLock);
     PlaybackThread *thread = checkPlaybackThread_l(output);
     if (thread == NULL) {
-        LOGW("sampleRate() unknown thread %p", output);
+        LOGW("sampleRate() unknown thread %d", output);
         return 0;
     }
     return thread->sampleRate();
 }
 
-int AudioFlinger::channelCount(void *output) const
+int AudioFlinger::channelCount(int output) const
 {
     Mutex::Autolock _l(mLock);
     PlaybackThread *thread = checkPlaybackThread_l(output);
     if (thread == NULL) {
-        LOGW("channelCount() unknown thread %p", output);
+        LOGW("channelCount() unknown thread %d", output);
         return 0;
     }
     return thread->channelCount();
 }
 
-int AudioFlinger::format(void *output) const
+int AudioFlinger::format(int output) const
 {
     Mutex::Autolock _l(mLock);
     PlaybackThread *thread = checkPlaybackThread_l(output);
     if (thread == NULL) {
-        LOGW("format() unknown thread %p", output);
+        LOGW("format() unknown thread %d", output);
         return 0;
     }
     return thread->format();
 }
 
-size_t AudioFlinger::frameCount(void *output) const
+size_t AudioFlinger::frameCount(int output) const
 {
     Mutex::Autolock _l(mLock);
     PlaybackThread *thread = checkPlaybackThread_l(output);
     if (thread == NULL) {
-        LOGW("frameCount() unknown thread %p", output);
+        LOGW("frameCount() unknown thread %d", output);
         return 0;
     }
     return thread->frameCount();
 }
 
-uint32_t AudioFlinger::latency(void *output) const
+uint32_t AudioFlinger::latency(int output) const
 {
     Mutex::Autolock _l(mLock);
     PlaybackThread *thread = checkPlaybackThread_l(output);
     if (thread == NULL) {
-        LOGW("latency() unknown thread %p", output);
+        LOGW("latency() unknown thread %d", output);
         return 0;
     }
     return thread->latency();
@@ -380,7 +380,7 @@
 
     mMasterVolume = value;
     for (uint32_t i = 0; i < mPlaybackThreads.size(); i++)
-       mPlaybackThreads[i]->setMasterVolume(value);
+       mPlaybackThreads.valueAt(i)->setMasterVolume(value);
 
     return NO_ERROR;
 }
@@ -435,7 +435,7 @@
 
     mMasterMute = muted;
     for (uint32_t i = 0; i < mPlaybackThreads.size(); i++)
-       mPlaybackThreads[i]->setMasterMute(muted);
+       mPlaybackThreads.valueAt(i)->setMasterMute(muted);
 
     return NO_ERROR;
 }
@@ -450,7 +450,7 @@
     return mMasterMute;
 }
 
-status_t AudioFlinger::setStreamVolume(int stream, float value, void *output)
+status_t AudioFlinger::setStreamVolume(int stream, float value, int output)
 {
     // check calling permissions
     if (!settingsAllowed()) {
@@ -495,7 +495,7 @@
 
     if (thread == NULL) {
         for (uint32_t i = 0; i < mPlaybackThreads.size(); i++)
-           mPlaybackThreads[i]->setStreamVolume(stream, value);
+           mPlaybackThreads.valueAt(i)->setStreamVolume(stream, value);
 
     } else {
         thread->setStreamVolume(stream, value);
@@ -518,12 +518,12 @@
 
     mStreamTypes[stream].mute = muted;
     for (uint32_t i = 0; i < mPlaybackThreads.size(); i++)
-       mPlaybackThreads[i]->setStreamMute(stream, muted);
+       mPlaybackThreads.valueAt(i)->setStreamMute(stream, muted);
 
     return NO_ERROR;
 }
 
-float AudioFlinger::streamVolume(int stream, void *output) const
+float AudioFlinger::streamVolume(int stream, int output) const
 {
     if (stream < 0 || uint32_t(stream) >= AudioSystem::NUM_STREAM_TYPES) {
         return 0.0f;
@@ -562,18 +562,18 @@
 {
     Mutex::Autolock _l(mLock);
     for (uint32_t i = 0; i < mPlaybackThreads.size(); i++) {
-        if (mPlaybackThreads[i]->isMusicActive()) {
+        if (mPlaybackThreads.valueAt(i)->isMusicActive()) {
             return true;
         }
     }
     return false;
 }
 
-status_t AudioFlinger::setParameters(void *ioHandle, const String8& keyValuePairs)
+status_t AudioFlinger::setParameters(int ioHandle, const String8& keyValuePairs)
 {
     status_t result;
 
-    LOGV("setParameters(): io %p, keyvalue %s, tid %d, calling tid %d",
+    LOGV("setParameters(): io %d, keyvalue %s, tid %d, calling tid %d",
             ioHandle, keyValuePairs.string(), gettid(), IPCThreadState::self()->getCallingPid());
     // check calling permissions
     if (!settingsAllowed()) {
@@ -604,9 +604,9 @@
     return BAD_VALUE;
 }
 
-String8 AudioFlinger::getParameters(void *ioHandle, const String8& keys)
+String8 AudioFlinger::getParameters(int ioHandle, const String8& keys)
 {
-//    LOGV("getParameters() io %p, keys %s, tid %d, calling tid %d",
+//    LOGV("getParameters() io %d, keys %s, tid %d, calling tid %d",
 //            ioHandle, keys.string(), gettid(), IPCThreadState::self()->getCallingPid());
 
     if (ioHandle == 0) {
@@ -644,11 +644,11 @@
     // the config change is always sent from playback or record threads to avoid deadlock
     // with AudioSystem::gLock
     for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
-        mPlaybackThreads[i]->sendConfigEvent(AudioSystem::OUTPUT_OPENED);
+        mPlaybackThreads.valueAt(i)->sendConfigEvent(AudioSystem::OUTPUT_OPENED);
     }
 
     for (size_t i = 0; i < mRecordThreads.size(); i++) {
-        mRecordThreads[i]->sendConfigEvent(AudioSystem::INPUT_OPENED);
+        mRecordThreads.valueAt(i)->sendConfigEvent(AudioSystem::INPUT_OPENED);
     }
 }
 
@@ -668,14 +668,33 @@
     }
 }
 
-void AudioFlinger::audioConfigChanged(int event, void *param1, void *param2) {
+void AudioFlinger::audioConfigChanged(int event, const sp<ThreadBase>& thread, void *param2) {
     Mutex::Autolock _l(mLock);
-    size_t size = mNotificationClients.size();
-    for (size_t i = 0; i < size; i++) {
-        sp<IBinder> binder = mNotificationClients.itemAt(i);
-        LOGV("audioConfigChanged() Notifying change to client %p", binder.get());
-        sp<IAudioFlingerClient> client = interface_cast<IAudioFlingerClient> (binder);
-        client->ioConfigChanged(event, param1, param2);
+    int ioHandle = 0;
+
+    for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
+        if (mPlaybackThreads.valueAt(i) == thread) {
+            ioHandle = mPlaybackThreads.keyAt(i);
+            break;
+        }
+    }
+    if (ioHandle == 0) {
+        for (size_t i = 0; i < mRecordThreads.size(); i++) {
+            if (mRecordThreads.valueAt(i) == thread) {
+                ioHandle = mRecordThreads.keyAt(i);
+                break;
+            }
+        }
+    }
+
+    if (ioHandle != 0) {
+        size_t size = mNotificationClients.size();
+        for (size_t i = 0; i < size; i++) {
+            sp<IBinder> binder = mNotificationClients.itemAt(i);
+            LOGV("audioConfigChanged() Notifying change to client %p", binder.get());
+            sp<IAudioFlingerClient> client = interface_cast<IAudioFlingerClient> (binder);
+            client->ioConfigChanged(event, ioHandle, param2);
+        }
     }
 }
 
@@ -691,12 +710,14 @@
 AudioFlinger::ThreadBase::ThreadBase(const sp<AudioFlinger>& audioFlinger)
     :   Thread(false),
         mAudioFlinger(audioFlinger), mSampleRate(0), mFrameCount(0), mChannelCount(0),
-        mFormat(0), mFrameSize(1), mNewParameters(String8("")), mStandby(false)
+        mFormat(0), mFrameSize(1), mStandby(false)
 {
 }
 
 AudioFlinger::ThreadBase::~ThreadBase()
 {
+    mParamCond.broadcast();
+    mNewParameters.clear();
 }
 
 void AudioFlinger::ThreadBase::exit()
@@ -736,20 +757,28 @@
 
 status_t AudioFlinger::ThreadBase::setParameters(const String8& keyValuePairs)
 {
-    status_t result;
+    status_t status;
 
+    LOGV("ThreadBase::setParameters() %s", keyValuePairs.string());
     Mutex::Autolock _l(mLock);
-    mNewParameters = keyValuePairs;
 
+    mNewParameters.add(keyValuePairs);
     mWaitWorkCV.signal();
     mParamCond.wait(mLock);
-
-    return mParamStatus;
+    status = mParamStatus;
+    mWaitWorkCV.signal();
+    return status;
 }
 
 void AudioFlinger::ThreadBase::sendConfigEvent(int event, int param)
 {
     Mutex::Autolock _l(mLock);
+    sendConfigEvent_l(event, param);
+}
+
+// sendConfigEvent_l() must be called with ThreadBase::mLock held
+void AudioFlinger::ThreadBase::sendConfigEvent_l(int event, int param)
+{
     ConfigEvent *configEvent = new ConfigEvent();
     configEvent->mEvent = event;
     configEvent->mParam = param;
@@ -1435,10 +1464,14 @@
 {
     bool reconfig = false;
 
-    if (mNewParameters != "") {
+    while (!mNewParameters.isEmpty()) {
         status_t status = NO_ERROR;
-        AudioParameter param = AudioParameter(mNewParameters);
+        String8 keyValuePair = mNewParameters[0];
+        AudioParameter param = AudioParameter(keyValuePair);
         int value;
+
+        mNewParameters.removeAt(0);
+
         if (param.getInt(String8(AudioParameter::keySamplingRate), value) == NO_ERROR) {
             reconfig = true;
         }
@@ -1467,12 +1500,12 @@
             }
         }
         if (status == NO_ERROR) {
-            status = mOutput->setParameters(mNewParameters);
+            status = mOutput->setParameters(keyValuePair);
             if (!mStandby && status == INVALID_OPERATION) {
                mOutput->standby();
                mStandby = true;
                mBytesWritten = 0;
-               status = mOutput->setParameters(mNewParameters);
+               status = mOutput->setParameters(keyValuePair);
             }
             if (status == NO_ERROR && reconfig) {
                 delete mAudioMixer;
@@ -1483,12 +1516,12 @@
                     if (name < 0) break;
                     mTracks[i]->mName = name;
                 }
-                sendConfigEvent(AudioSystem::OUTPUT_CONFIG_CHANGED);
+                sendConfigEvent_l(AudioSystem::OUTPUT_CONFIG_CHANGED);
             }
         }
         mParamStatus = status;
-        mNewParameters = "";
         mParamCond.signal();
+        mWaitWorkCV.wait(mLock);
     }
     return reconfig;
 }
@@ -1740,10 +1773,14 @@
 {
     bool reconfig = false;
 
-    if (mNewParameters != "") {
+    while (!mNewParameters.isEmpty()) {
         status_t status = NO_ERROR;
-        AudioParameter param = AudioParameter(mNewParameters);
+        String8 keyValuePair = mNewParameters[0];
+        AudioParameter param = AudioParameter(keyValuePair);
         int value;
+
+        mNewParameters.removeAt(0);
+
         if (param.getInt(String8(AudioParameter::keyFrameCount), value) == NO_ERROR) {
             // do not accept frame count changes if tracks are open as the track buffer
             // size depends on frame count and correct behavior would not be garantied
@@ -1755,21 +1792,21 @@
             }
         }
         if (status == NO_ERROR) {
-            status = mOutput->setParameters(mNewParameters);
+            status = mOutput->setParameters(keyValuePair);
             if (!mStandby && status == INVALID_OPERATION) {
                mOutput->standby();
                mStandby = true;
                mBytesWritten = 0;
-               status = mOutput->setParameters(mNewParameters);
+               status = mOutput->setParameters(keyValuePair);
             }
             if (status == NO_ERROR && reconfig) {
                 readOutputParameters();
-                sendConfigEvent(AudioSystem::OUTPUT_CONFIG_CHANGED);
+                sendConfigEvent_l(AudioSystem::OUTPUT_CONFIG_CHANGED);
             }
         }
         mParamStatus = status;
-        mNewParameters = "";
         mParamCond.signal();
+        mWaitWorkCV.wait(mLock);
     }
     return reconfig;
 }
@@ -2711,7 +2748,7 @@
 
 sp<IAudioRecord> AudioFlinger::openRecord(
         pid_t pid,
-        void *input,
+        int input,
         uint32_t sampleRate,
         int format,
         int channelCount,
@@ -3081,13 +3118,17 @@
 {
     bool reconfig = false;
 
-    if (mNewParameters != "") {
+    while (!mNewParameters.isEmpty()) {
         status_t status = NO_ERROR;
-        AudioParameter param = AudioParameter(mNewParameters);
+        String8 keyValuePair = mNewParameters[0];
+        AudioParameter param = AudioParameter(keyValuePair);
         int value;
         int reqFormat = mFormat;
         int reqSamplingRate = mReqSampleRate;
         int reqChannelCount = mReqChannelCount;
+
+        mNewParameters.removeAt(0);
+
         if (param.getInt(String8(AudioParameter::keySamplingRate), value) == NO_ERROR) {
             reqSamplingRate = value;
             reconfig = true;
@@ -3111,10 +3152,10 @@
             }
         }
         if (status == NO_ERROR) {
-            status = mInput->setParameters(mNewParameters);
+            status = mInput->setParameters(keyValuePair);
             if (status == INVALID_OPERATION) {
                mInput->standby();
-               status = mInput->setParameters(mNewParameters);
+               status = mInput->setParameters(keyValuePair);
             }
             if (reconfig) {
                 if (status == BAD_VALUE &&
@@ -3125,13 +3166,13 @@
                 }
                 if (status == NO_ERROR) {
                     readInputParameters();
-                    sendConfigEvent(AudioSystem::INPUT_CONFIG_CHANGED);
+                    sendConfigEvent_l(AudioSystem::INPUT_CONFIG_CHANGED);
                 }
             }
         }
-        mNewParameters = "";
         mParamStatus = status;
         mParamCond.signal();
+        mWaitWorkCV.wait(mLock);
     }
     return reconfig;
 }
@@ -3204,7 +3245,7 @@
 
 // ----------------------------------------------------------------------------
 
-void *AudioFlinger::openOutput(uint32_t *pDevices,
+int AudioFlinger::openOutput(uint32_t *pDevices,
                                 uint32_t *pSamplingRate,
                                 uint32_t *pFormat,
                                 uint32_t *pChannels,
@@ -3227,7 +3268,7 @@
             flags);
 
     if (pDevices == NULL || *pDevices == 0) {
-        return NULL;
+        return 0;
     }
     Mutex::Autolock _l(mLock);
 
@@ -3249,12 +3290,12 @@
             (format != AudioSystem::PCM_16_BIT) ||
             (channels != AudioSystem::CHANNEL_OUT_STEREO)) {
             thread = new DirectOutputThread(this, output);
-            LOGV("openOutput() created direct output %p", thread);
+            LOGV("openOutput() created direct output: ID %d thread %p", (mNextThreadId + 1), thread);
         } else {
             thread = new MixerThread(this, output);
-            LOGV("openOutput() created mixer output %p", thread);
+            LOGV("openOutput() created mixer output: ID %d thread %p", (mNextThreadId + 1), thread);
         }
-        mPlaybackThreads.add(thread);
+        mPlaybackThreads.add(++mNextThreadId, thread);
 
         if (pSamplingRate) *pSamplingRate = samplingRate;
         if (pFormat) *pFormat = format;
@@ -3262,26 +3303,28 @@
         if (pLatencyMs) *pLatencyMs = thread->latency();
     }
 
-    return thread;
+    return mNextThreadId;
 }
 
-void *AudioFlinger::openDuplicateOutput(void *output1, void *output2)
+int AudioFlinger::openDuplicateOutput(int output1, int output2)
 {
     Mutex::Autolock _l(mLock);
+    MixerThread *thread1 = checkMixerThread_l(output1);
+    MixerThread *thread2 = checkMixerThread_l(output2);
 
-    if (checkMixerThread_l(output1) == NULL ||
-        checkMixerThread_l(output2) == NULL) {
-        LOGW("openDuplicateOutput() wrong output mixer type %p or %p", output1, output2);
-        return NULL;
+    if (thread1 == NULL || thread2 == NULL) {
+        LOGW("openDuplicateOutput() wrong output mixer type for output %d or %d", output1, output2);
+        return 0;
     }
 
-    DuplicatingThread *thread = new DuplicatingThread(this, (MixerThread *)output1);
-    thread->addOutputTrack( (MixerThread *)output2);
-    mPlaybackThreads.add(thread);
-    return thread;
+
+    DuplicatingThread *thread = new DuplicatingThread(this, thread1);
+    thread->addOutputTrack(thread2);
+    mPlaybackThreads.add(++mNextThreadId, thread);
+    return mNextThreadId;
 }
 
-status_t AudioFlinger::closeOutput(void *output)
+status_t AudioFlinger::closeOutput(int output)
 {
     PlaybackThread *thread;
     {
@@ -3291,24 +3334,24 @@
             return BAD_VALUE;
         }
 
-        LOGV("closeOutput() %p", thread);
+        LOGV("closeOutput() %d", output);
 
         if (thread->type() == PlaybackThread::MIXER) {
             for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
-                if (mPlaybackThreads[i]->type() == PlaybackThread::DUPLICATING) {
-                    DuplicatingThread *dupThread = (DuplicatingThread *)mPlaybackThreads[i].get();
+                if (mPlaybackThreads.valueAt(i)->type() == PlaybackThread::DUPLICATING) {
+                    DuplicatingThread *dupThread = (DuplicatingThread *)mPlaybackThreads.valueAt(i).get();
                     dupThread->removeOutputTrack((MixerThread *)thread);
                 }
             }
         }
-        mPlaybackThreads.remove(thread);
+        mPlaybackThreads.removeItem(output);
     }
     thread->exit();
 
     return NO_ERROR;
 }
 
-status_t AudioFlinger::suspendOutput(void *output)
+status_t AudioFlinger::suspendOutput(int output)
 {
     Mutex::Autolock _l(mLock);
     PlaybackThread *thread = checkPlaybackThread_l(output);
@@ -3317,13 +3360,13 @@
         return BAD_VALUE;
     }
 
-    LOGV("suspendOutput() %p", output);
+    LOGV("suspendOutput() %d", output);
     thread->suspend();
 
     return NO_ERROR;
 }
 
-status_t AudioFlinger::restoreOutput(void *output)
+status_t AudioFlinger::restoreOutput(int output)
 {
     Mutex::Autolock _l(mLock);
     PlaybackThread *thread = checkPlaybackThread_l(output);
@@ -3332,14 +3375,14 @@
         return BAD_VALUE;
     }
 
-    LOGV("restoreOutput() %p", output);
+    LOGV("restoreOutput() %d", output);
 
     thread->restore();
 
     return NO_ERROR;
 }
 
-void *AudioFlinger::openInput(uint32_t *pDevices,
+int AudioFlinger::openInput(uint32_t *pDevices,
                                 uint32_t *pSamplingRate,
                                 uint32_t *pFormat,
                                 uint32_t *pChannels,
@@ -3355,7 +3398,7 @@
     uint32_t reqChannels = channels;
 
     if (pDevices == NULL || *pDevices == 0) {
-        return NULL;
+        return 0;
     }
     Mutex::Autolock _l(mLock);
 
@@ -3392,8 +3435,8 @@
     if (input != 0) {
          // Start record thread
         thread = new RecordThread(this, input, reqSamplingRate, reqChannels);
-        mRecordThreads.add(thread);
-
+        mRecordThreads.add(++mNextThreadId, thread);
+        LOGV("openInput() created record thread: ID %d thread %p", mNextThreadId, thread);
         if (pSamplingRate) *pSamplingRate = reqSamplingRate;
         if (pFormat) *pFormat = format;
         if (pChannels) *pChannels = reqChannels;
@@ -3401,10 +3444,10 @@
         input->standby();
     }
 
-    return thread;
+    return mNextThreadId;
 }
 
-status_t AudioFlinger::closeInput(void *input)
+status_t AudioFlinger::closeInput(int input)
 {
     RecordThread *thread;
     {
@@ -3414,27 +3457,27 @@
             return BAD_VALUE;
         }
 
-        LOGV("closeInput() %p", thread);
-        mRecordThreads.remove(thread);
+        LOGV("closeInput() %d", input);
+        mRecordThreads.removeItem(input);
     }
     thread->exit();
 
     return NO_ERROR;
 }
 
-status_t AudioFlinger::setStreamOutput(uint32_t stream, void *output)
+status_t AudioFlinger::setStreamOutput(uint32_t stream, int output)
 {
     Mutex::Autolock _l(mLock);
     MixerThread *dstThread = checkMixerThread_l(output);
     if (dstThread == NULL) {
-        LOGW("setStreamOutput() bad output thread %p", output);
+        LOGW("setStreamOutput() bad output id %d", output);
         return BAD_VALUE;
     }
 
-    LOGV("setStreamOutput() stream %d to output %p", stream, dstThread);
+    LOGV("setStreamOutput() stream %d to output %d", stream, output);
 
     for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
-        PlaybackThread *thread = mPlaybackThreads[i].get();
+        PlaybackThread *thread = mPlaybackThreads.valueAt(i).get();
         if (thread != dstThread &&
             thread->type() != PlaybackThread::DIRECT) {
             MixerThread *srcThread = (MixerThread *)thread;
@@ -3452,22 +3495,17 @@
 }
 
 // checkPlaybackThread_l() must be called with AudioFlinger::mLock held
-AudioFlinger::PlaybackThread *AudioFlinger::checkPlaybackThread_l(void *output) const
+AudioFlinger::PlaybackThread *AudioFlinger::checkPlaybackThread_l(int output) const
 {
     PlaybackThread *thread = NULL;
-
-    for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
-        if (mPlaybackThreads[i] == output) {
-            thread = (PlaybackThread *)output;
-            break;
-        }
+    if (mPlaybackThreads.indexOfKey(output) >= 0) {
+        thread = (PlaybackThread *)mPlaybackThreads.valueFor(output).get();
     }
-
     return thread;
 }
 
 // checkMixerThread_l() must be called with AudioFlinger::mLock held
-AudioFlinger::MixerThread *AudioFlinger::checkMixerThread_l(void *output) const
+AudioFlinger::MixerThread *AudioFlinger::checkMixerThread_l(int output) const
 {
     PlaybackThread *thread = checkPlaybackThread_l(output);
     if (thread != NULL) {
@@ -3479,17 +3517,12 @@
 }
 
 // checkRecordThread_l() must be called with AudioFlinger::mLock held
-AudioFlinger::RecordThread *AudioFlinger::checkRecordThread_l(void *input) const
+AudioFlinger::RecordThread *AudioFlinger::checkRecordThread_l(int input) const
 {
     RecordThread *thread = NULL;
-
-    for (size_t i = 0; i < mRecordThreads.size(); i++) {
-        if (mRecordThreads[i] == input) {
-            thread = (RecordThread *)input;
-            break;
-        }
+    if (mRecordThreads.indexOfKey(input) >= 0) {
+        thread = (RecordThread *)mRecordThreads.valueFor(input).get();
     }
-
     return thread;
 }
 
diff --git a/libs/audioflinger/AudioFlinger.h b/libs/audioflinger/AudioFlinger.h
index 06c5846..c9f3448 100644
--- a/libs/audioflinger/AudioFlinger.h
+++ b/libs/audioflinger/AudioFlinger.h
@@ -73,14 +73,14 @@
                                 int frameCount,
                                 uint32_t flags,
                                 const sp<IMemory>& sharedBuffer,
-                                void *output,
+                                int output,
                                 status_t *status);
 
-    virtual     uint32_t    sampleRate(void *output) const;
-    virtual     int         channelCount(void *output) const;
-    virtual     int         format(void *output) const;
-    virtual     size_t      frameCount(void *output) const;
-    virtual     uint32_t    latency(void *output) const;
+    virtual     uint32_t    sampleRate(int output) const;
+    virtual     int         channelCount(int output) const;
+    virtual     int         format(int output) const;
+    virtual     size_t      frameCount(int output) const;
+    virtual     uint32_t    latency(int output) const;
 
     virtual     status_t    setMasterVolume(float value);
     virtual     status_t    setMasterMute(bool muted);
@@ -88,10 +88,10 @@
     virtual     float       masterVolume() const;
     virtual     bool        masterMute() const;
 
-    virtual     status_t    setStreamVolume(int stream, float value, void *output);
+    virtual     status_t    setStreamVolume(int stream, float value, int output);
     virtual     status_t    setStreamMute(int stream, bool muted);
 
-    virtual     float       streamVolume(int stream, void *output) const;
+    virtual     float       streamVolume(int stream, int output) const;
     virtual     bool        streamMute(int stream) const;
 
     virtual     status_t    setMode(int mode);
@@ -101,37 +101,37 @@
 
     virtual     bool        isMusicActive() const;
 
-    virtual     status_t    setParameters(void *ioHandle, const String8& keyValuePairs);
-    virtual     String8     getParameters(void *ioHandle, const String8& keys);
+    virtual     status_t    setParameters(int ioHandle, const String8& keyValuePairs);
+    virtual     String8     getParameters(int ioHandle, const String8& keys);
 
     virtual     void        registerClient(const sp<IAudioFlingerClient>& client);
 
     virtual     size_t      getInputBufferSize(uint32_t sampleRate, int format, int channelCount);
 
-    virtual void *openOutput(uint32_t *pDevices,
+    virtual int openOutput(uint32_t *pDevices,
                                     uint32_t *pSamplingRate,
                                     uint32_t *pFormat,
                                     uint32_t *pChannels,
                                     uint32_t *pLatencyMs,
                                     uint32_t flags);
 
-    virtual void *openDuplicateOutput(void *output1, void *output2);
+    virtual int openDuplicateOutput(int output1, int output2);
 
-    virtual status_t closeOutput(void *output);
+    virtual status_t closeOutput(int output);
 
-    virtual status_t suspendOutput(void *output);
+    virtual status_t suspendOutput(int output);
 
-    virtual status_t restoreOutput(void *output);
+    virtual status_t restoreOutput(int output);
 
-    virtual void *openInput(uint32_t *pDevices,
+    virtual int openInput(uint32_t *pDevices,
                             uint32_t *pSamplingRate,
                             uint32_t *pFormat,
                             uint32_t *pChannels,
                             uint32_t acoustics);
 
-    virtual status_t closeInput(void *input);
+    virtual status_t closeInput(int input);
 
-    virtual status_t setStreamOutput(uint32_t stream, void *output);
+    virtual status_t setStreamOutput(uint32_t stream, int output);
 
     // IBinder::DeathRecipient
     virtual     void        binderDied(const wp<IBinder>& who);
@@ -158,7 +158,7 @@
     // record interface
     virtual sp<IAudioRecord> openRecord(
                                 pid_t pid,
-                                void *input,
+                                int input,
                                 uint32_t sampleRate,
                                 int format,
                                 int channelCount,
@@ -172,8 +172,6 @@
                                 Parcel* reply,
                                 uint32_t flags);
 
-    void audioConfigChanged(int event, void *param1, void *param2);
-
 private:
                             AudioFlinger();
     virtual                 ~AudioFlinger();
@@ -320,6 +318,7 @@
         virtual     String8     getParameters(const String8& keys) = 0;
         virtual     void        audioConfigChanged(int event, int param = 0) = 0;
                     void        sendConfigEvent(int event, int param = 0);
+                    void        sendConfigEvent_l(int event, int param = 0);
                     void        processConfigEvents();
 
         mutable     Mutex                   mLock;
@@ -343,7 +342,7 @@
                     int                     mFormat;
                     uint32_t                mFrameSize;
                     Condition               mParamCond;
-                    String8                 mNewParameters;
+                    Vector<String8>         mNewParameters;
                     status_t                mParamStatus;
                     Vector<ConfigEvent *>   mConfigEvents;
                     bool                    mStandby;
@@ -615,10 +614,11 @@
         SortedVector < sp<OutputTrack> >  mOutputTracks;
     };
 
-              PlaybackThread *checkPlaybackThread_l(void *output) const;
-              MixerThread *checkMixerThread_l(void *output) const;
-              RecordThread *checkRecordThread_l(void *input) const;
+              PlaybackThread *checkPlaybackThread_l(int output) const;
+              MixerThread *checkMixerThread_l(int output) const;
+              RecordThread *checkRecordThread_l(int input) const;
               float streamVolumeInternal(int stream) const { return mStreamTypes[stream].volume; }
+              void audioConfigChanged(int event, const sp<ThreadBase>& thread, void *param2);
 
     friend class AudioBuffer;
 
@@ -744,14 +744,15 @@
     mutable     int                                 mHardwareStatus;
 
 
-                SortedVector< sp<PlaybackThread> >  mPlaybackThreads;
+                DefaultKeyedVector< int, sp<PlaybackThread> >  mPlaybackThreads;
                 PlaybackThread::stream_type_t       mStreamTypes[AudioSystem::NUM_STREAM_TYPES];
                 float                               mMasterVolume;
                 bool                                mMasterMute;
 
-                SortedVector< sp<RecordThread> >    mRecordThreads;
+                DefaultKeyedVector< int, sp<RecordThread> >    mRecordThreads;
 
                 SortedVector< sp<IBinder> >         mNotificationClients;
+                int                                 mNextThreadId;
 };
 
 // ----------------------------------------------------------------------------
diff --git a/libs/audioflinger/AudioHardwareInterface.cpp b/libs/audioflinger/AudioHardwareInterface.cpp
index 37be329..9a4a7f9 100644
--- a/libs/audioflinger/AudioHardwareInterface.cpp
+++ b/libs/audioflinger/AudioHardwareInterface.cpp
@@ -140,8 +140,8 @@
 // default implementation
 String8 AudioHardwareBase::getParameters(const String8& keys)
 {
-    String8 result = String8("");
-    return result;
+    AudioParameter param = AudioParameter(keys);
+    return param.toString();
 }
 
 // default implementation
diff --git a/libs/audioflinger/AudioHardwareStub.cpp b/libs/audioflinger/AudioHardwareStub.cpp
index 1a03059..ae391ee 100644
--- a/libs/audioflinger/AudioHardwareStub.cpp
+++ b/libs/audioflinger/AudioHardwareStub.cpp
@@ -152,6 +152,12 @@
     return NO_ERROR;
 }
 
+String8 AudioStreamOutStub::getParameters(const String8& keys)
+{
+    AudioParameter param = AudioParameter(keys);
+    return param.toString();
+}
+
 // ----------------------------------------------------------------------------
 
 status_t AudioStreamInStub::set(int *pFormat, uint32_t *pChannels, uint32_t *pRate,
@@ -187,6 +193,12 @@
     return NO_ERROR;
 }
 
+String8 AudioStreamInStub::getParameters(const String8& keys)
+{
+    AudioParameter param = AudioParameter(keys);
+    return param.toString();
+}
+
 // ----------------------------------------------------------------------------
 
 }; // namespace android
diff --git a/libs/audioflinger/AudioHardwareStub.h b/libs/audioflinger/AudioHardwareStub.h
index 8f43259..583f852 100644
--- a/libs/audioflinger/AudioHardwareStub.h
+++ b/libs/audioflinger/AudioHardwareStub.h
@@ -40,7 +40,7 @@
     virtual status_t    standby();
     virtual status_t    dump(int fd, const Vector<String16>& args);
     virtual status_t    setParameters(const String8& keyValuePairs) { return NO_ERROR;}
-    virtual String8     getParameters(const String8& keys) {String8 result = String8(""); return result;}
+    virtual String8     getParameters(const String8& keys);
 };
 
 class AudioStreamInStub : public AudioStreamIn {
@@ -55,7 +55,7 @@
     virtual status_t    dump(int fd, const Vector<String16>& args);
     virtual status_t    standby() { return NO_ERROR; }
     virtual status_t    setParameters(const String8& keyValuePairs) { return NO_ERROR;}
-    virtual String8     getParameters(const String8& keys) {String8 result = String8(""); return result;}
+    virtual String8     getParameters(const String8& keys);
 };
 
 class AudioHardwareStub : public  AudioHardwareBase
diff --git a/libs/audioflinger/AudioPolicyManagerGeneric.cpp b/libs/audioflinger/AudioPolicyManagerGeneric.cpp
index 4b31815..6323859 100644
--- a/libs/audioflinger/AudioPolicyManagerGeneric.cpp
+++ b/libs/audioflinger/AudioPolicyManagerGeneric.cpp
@@ -197,8 +197,8 @@
 
 #ifdef AUDIO_POLICY_TEST
     if (mCurOutput != 0) {
-        LOGV("getOutput() test output mCurOutput %d, samplingRate %d, format %d, channelcount %d, mDirectOutput %d",
-                mCurOutput, mTestSamplingRate, mTestFormat, mTestChannelcount, mDirectOutput);
+        LOGV("getOutput() test output mCurOutput %d, samplingRate %d, format %d, channels %x, mDirectOutput %d",
+                mCurOutput, mTestSamplingRate, mTestFormat, mTestChannels, mDirectOutput);
 
         if (mTestOutputs[mCurOutput] == 0) {
             LOGV("getOutput() opening test output");
@@ -206,7 +206,7 @@
             outputDesc->mDevice = mTestDevice;
             outputDesc->mSamplingRate = mTestSamplingRate;
             outputDesc->mFormat = mTestFormat;
-            outputDesc->mChannels = (mTestChannelcount == 1) ? AudioSystem::CHANNEL_OUT_MONO : AudioSystem::CHANNEL_OUT_STEREO;
+            outputDesc->mChannels = mTestChannels;
             outputDesc->mLatency = mTestLatencyMs;
             outputDesc->mFlags = (AudioSystem::output_flags)(mDirectOutput ? AudioSystem::OUTPUT_FLAG_DIRECT : 0);
             outputDesc->mRefCount[stream] = 0;
@@ -216,7 +216,12 @@
                                             &outputDesc->mChannels,
                                             &outputDesc->mLatency,
                                             outputDesc->mFlags);
-            mOutputs.add(mTestOutputs[mCurOutput], outputDesc);
+            if (mTestOutputs[mCurOutput]) {
+                AudioParameter outputCmd = AudioParameter();
+                outputCmd.addInt(String8("set_id"),mCurOutput);
+                mpClientInterface->setParameters(mTestOutputs[mCurOutput],outputCmd.toString());
+                mOutputs.add(mTestOutputs[mCurOutput], outputDesc);
+            }
         }
         return mTestOutputs[mCurOutput];
     }
@@ -224,7 +229,7 @@
     if ((flags & AudioSystem::OUTPUT_FLAG_DIRECT) ||
         (format != 0 && !AudioSystem::isLinearPCM(format)) ||
         (channels != 0 && channels != AudioSystem::CHANNEL_OUT_MONO && channels != AudioSystem::CHANNEL_OUT_STEREO)) {
-        return NULL;
+        return 0;
     }
 
     return mHardwareOutput;
@@ -232,10 +237,10 @@
 
 status_t AudioPolicyManagerGeneric::startOutput(audio_io_handle_t output, AudioSystem::stream_type stream)
 {
-    LOGV("startOutput() output %p, stream %d", output, stream);
+    LOGV("startOutput() output %d, stream %d", output, stream);
     ssize_t index = mOutputs.indexOfKey(output);
     if (index < 0) {
-        LOGW("startOutput() unknow output %p", output);
+        LOGW("startOutput() unknow output %d", output);
         return BAD_VALUE;
     }
 
@@ -253,10 +258,10 @@
 
 status_t AudioPolicyManagerGeneric::stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream)
 {
-    LOGV("stopOutput() output %p, stream %d", output, stream);
+    LOGV("stopOutput() output %d, stream %d", output, stream);
     ssize_t index = mOutputs.indexOfKey(output);
     if (index < 0) {
-        LOGW("stopOutput() unknow output %p", output);
+        LOGW("stopOutput() unknow output %d", output);
         return BAD_VALUE;
     }
 
@@ -272,17 +277,17 @@
         outputDesc->changeRefCount(stream, -1);
         return NO_ERROR;
     } else {
-        LOGW("stopOutput() refcount is already 0 for output %p", output);
+        LOGW("stopOutput() refcount is already 0 for output %d", output);
         return INVALID_OPERATION;
     }
 }
 
 void AudioPolicyManagerGeneric::releaseOutput(audio_io_handle_t output)
 {
-    LOGV("releaseOutput() %p", output);
+    LOGV("releaseOutput() %d", output);
     ssize_t index = mOutputs.indexOfKey(output);
     if (index < 0) {
-        LOGW("releaseOutput() releasing unknown output %p", output);
+        LOGW("releaseOutput() releasing unknown output %d", output);
         return;
     }
 
@@ -332,7 +337,7 @@
                 samplingRate, format, channels);
         mpClientInterface->closeInput(input);
         delete inputDesc;
-        return NULL;
+        return 0;
     }
     mInputs.add(input, inputDesc);
     return input;
@@ -340,10 +345,10 @@
 
 status_t AudioPolicyManagerGeneric::startInput(audio_io_handle_t input)
 {
-    LOGV("startInput() input %p", input);
+    LOGV("startInput() input %d", input);
     ssize_t index = mInputs.indexOfKey(input);
     if (index < 0) {
-        LOGW("startInput() unknow input %p", input);
+        LOGW("startInput() unknow input %d", input);
         return BAD_VALUE;
     }
     AudioInputDescriptor *inputDesc = mInputs.valueAt(index);
@@ -355,7 +360,7 @@
         // refuse 2 active AudioRecord clients at the same time
         for (size_t i = 0; i < mInputs.size(); i++) {
             if (mInputs.valueAt(i)->mRefCount > 0) {
-                LOGW("startInput() input %p, other input %p already started", input, mInputs.keyAt(i));
+                LOGW("startInput() input %d, other input %d already started", input, mInputs.keyAt(i));
                 return INVALID_OPERATION;
             }
         }
@@ -367,16 +372,16 @@
 
 status_t AudioPolicyManagerGeneric::stopInput(audio_io_handle_t input)
 {
-    LOGV("stopInput() input %p", input);
+    LOGV("stopInput() input %d", input);
     ssize_t index = mInputs.indexOfKey(input);
     if (index < 0) {
-        LOGW("stopInput() unknow input %p", input);
+        LOGW("stopInput() unknow input %d", input);
         return BAD_VALUE;
     }
     AudioInputDescriptor *inputDesc = mInputs.valueAt(index);
 
     if (inputDesc->mRefCount == 0) {
-        LOGW("stopInput() input %p already stopped", input);
+        LOGW("stopInput() input %d already stopped", input);
         return INVALID_OPERATION;
     } else {
         inputDesc->mRefCount = 0;
@@ -386,10 +391,10 @@
 
 void AudioPolicyManagerGeneric::releaseInput(audio_io_handle_t input)
 {
-    LOGV("releaseInput() %p", input);
+    LOGV("releaseInput() %d", input);
     ssize_t index = mInputs.indexOfKey(input);
     if (index < 0) {
-        LOGW("releaseInput() releasing unknown input %p", input);
+        LOGW("releaseInput() releasing unknown input %d", input);
         return;
     }
     mpClientInterface->closeInput(input);
@@ -438,7 +443,7 @@
 
         float volume = computeVolume((int)stream, index, device);
 
-        LOGV("setStreamVolume() for output %p stream %d, volume %f", mOutputs.keyAt(i), stream, volume);
+        LOGV("setStreamVolume() for output %d stream %d, volume %f", mOutputs.keyAt(i), stream, volume);
         mpClientInterface->setStreamVolume(stream, volume, mOutputs.keyAt(i));
     }
     return NO_ERROR;
@@ -495,10 +500,14 @@
     }
 
 #ifdef AUDIO_POLICY_TEST
+    AudioParameter outputCmd = AudioParameter();
+    outputCmd.addInt(String8("set_id"), 0);
+    mpClientInterface->setParameters(mHardwareOutput, outputCmd.toString());
+
     mTestDevice = AudioSystem::DEVICE_OUT_SPEAKER;
     mTestSamplingRate = 44100;
     mTestFormat = AudioSystem::PCM_16_BIT;
-    mTestChannelcount = 2;
+    mTestChannels =  AudioSystem::CHANNEL_OUT_STEREO;
     mTestLatencyMs = 0;
     mCurOutput = 0;
     mDirectOutput = false;
@@ -537,15 +546,23 @@
     LOGV("entering threadLoop()");
     while (!exitPending())
     {
+        String8 command;
+        int valueInt;
+        String8 value;
+
         Mutex::Autolock _l(mLock);
         mWaitWorkCV.waitRelative(mLock, milliseconds(50));
-        String8 command;
+
         command = mpClientInterface->getParameters(0, String8("test_cmd_policy"));
-        if (command != "") {
+        AudioParameter param = AudioParameter(command);
+
+        if (param.getInt(String8("test_cmd_policy"), valueInt) == NO_ERROR &&
+            valueInt != 0) {
             LOGV("Test command %s received", command.string());
-            AudioParameter param = AudioParameter(command);
-            int valueInt;
-            String8 value;
+            String8 target;
+            if (param.get(String8("target"), target) != NO_ERROR) {
+                target = "Manager";
+            }
             if (param.getInt(String8("test_cmd_policy_output"), valueInt) == NO_ERROR) {
                 param.remove(String8("test_cmd_policy_output"));
                 mCurOutput = valueInt;
@@ -565,28 +582,84 @@
 
             if (param.get(String8("test_cmd_policy_format"), value) == NO_ERROR) {
                 param.remove(String8("test_cmd_policy_format"));
+                int format = AudioSystem::INVALID_FORMAT;
                 if (value == "PCM 16 bits") {
-                    mTestFormat = AudioSystem::PCM_16_BIT;
+                    format = AudioSystem::PCM_16_BIT;
                 } else if (value == "PCM 8 bits") {
-                    mTestFormat = AudioSystem::PCM_8_BIT;
+                    format = AudioSystem::PCM_8_BIT;
                 } else if (value == "Compressed MP3") {
-                    mTestFormat = AudioSystem::MP3;
+                    format = AudioSystem::MP3;
+                }
+                if (format != AudioSystem::INVALID_FORMAT) {
+                    if (target == "Manager") {
+                        mTestFormat = format;
+                    } else if (mTestOutputs[mCurOutput] != 0) {
+                        AudioParameter outputParam = AudioParameter();
+                        outputParam.addInt(String8("format"), format);
+                        mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
+                    }
                 }
             }
             if (param.get(String8("test_cmd_policy_channels"), value) == NO_ERROR) {
                 param.remove(String8("test_cmd_policy_channels"));
+                int channels = 0;
+
                 if (value == "Channels Stereo") {
-                    mTestChannelcount = 2;
+                    channels =  AudioSystem::CHANNEL_OUT_STEREO;
                 } else if (value == "Channels Mono") {
-                    mTestChannelcount = 1;
+                    channels =  AudioSystem::CHANNEL_OUT_MONO;
+                }
+                if (channels != 0) {
+                    if (target == "Manager") {
+                        mTestChannels = channels;
+                    } else if (mTestOutputs[mCurOutput] != 0) {
+                        AudioParameter outputParam = AudioParameter();
+                        outputParam.addInt(String8("channels"), channels);
+                        mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
+                    }
                 }
             }
             if (param.getInt(String8("test_cmd_policy_sampleRate"), valueInt) == NO_ERROR) {
                 param.remove(String8("test_cmd_policy_sampleRate"));
                 if (valueInt >= 0 && valueInt <= 96000) {
-                    mTestSamplingRate = valueInt;
+                    int samplingRate = valueInt;
+                    if (target == "Manager") {
+                        mTestSamplingRate = samplingRate;
+                    } else if (mTestOutputs[mCurOutput] != 0) {
+                        AudioParameter outputParam = AudioParameter();
+                        outputParam.addInt(String8("sampling_rate"), samplingRate);
+                        mpClientInterface->setParameters(mTestOutputs[mCurOutput], outputParam.toString());
+                    }
                 }
             }
+
+            if (param.get(String8("test_cmd_policy_reopen"), value) == NO_ERROR) {
+                param.remove(String8("test_cmd_policy_reopen"));
+
+                mpClientInterface->closeOutput(mHardwareOutput);
+                delete mOutputs.valueFor(mHardwareOutput);
+                mOutputs.removeItem(mHardwareOutput);
+
+                AudioOutputDescriptor *outputDesc = new AudioOutputDescriptor();
+                outputDesc->mDevice = (uint32_t)AudioSystem::DEVICE_OUT_SPEAKER;
+                mHardwareOutput = mpClientInterface->openOutput(&outputDesc->mDevice,
+                                                &outputDesc->mSamplingRate,
+                                                &outputDesc->mFormat,
+                                                &outputDesc->mChannels,
+                                                &outputDesc->mLatency,
+                                                outputDesc->mFlags);
+                if (mHardwareOutput == 0) {
+                    LOGE("Failed to reopen hardware output stream, samplingRate: %d, format %d, channels %d",
+                            outputDesc->mSamplingRate, outputDesc->mFormat, outputDesc->mChannels);
+                } else {
+                    AudioParameter outputCmd = AudioParameter();
+                    outputCmd.addInt(String8("set_id"), 0);
+                    mpClientInterface->setParameters(mHardwareOutput, outputCmd.toString());
+                    mOutputs.add(mHardwareOutput, outputDesc);
+                }
+            }
+
+
             mpClientInterface->setParameters(0, String8("test_cmd_policy="));
         }
     }
@@ -657,7 +730,7 @@
 
 void AudioPolicyManagerGeneric::setStreamMute(int stream, bool on, audio_io_handle_t output)
 {
-    LOGV("setStreamMute() stream %d, mute %d, output %p", stream, on, output);
+    LOGV("setStreamMute() stream %d, mute %d, output %d", stream, on, output);
 
     StreamDescriptor &streamDesc = mStreams[stream];
 
diff --git a/libs/audioflinger/AudioPolicyManagerGeneric.h b/libs/audioflinger/AudioPolicyManagerGeneric.h
index ddcb306..d904520 100644
--- a/libs/audioflinger/AudioPolicyManagerGeneric.h
+++ b/libs/audioflinger/AudioPolicyManagerGeneric.h
@@ -180,7 +180,7 @@
         uint32_t        mTestDevice;
         uint32_t        mTestSamplingRate;
         uint32_t        mTestFormat;
-        uint32_t        mTestChannelcount;
+        uint32_t        mTestChannels;
         uint32_t        mTestLatencyMs;
 #endif //AUDIO_POLICY_TEST
 
diff --git a/libs/audioflinger/AudioPolicyService.cpp b/libs/audioflinger/AudioPolicyService.cpp
index 7f6c4ed..ae17d76 100644
--- a/libs/audioflinger/AudioPolicyService.cpp
+++ b/libs/audioflinger/AudioPolicyService.cpp
@@ -201,7 +201,7 @@
                                     AudioSystem::output_flags flags)
 {
     if (mpPolicyManager == NULL) {
-        return NULL;
+        return 0;
     }
     LOGV("getOutput() tid %d", gettid());
     Mutex::Autolock _l(mLock);
@@ -245,7 +245,7 @@
                                     AudioSystem::audio_in_acoustics acoustics)
 {
     if (mpPolicyManager == NULL) {
-        return NULL;
+        return 0;
     }
     Mutex::Autolock _l(mLock);
     return mpPolicyManager->getInput(inputSource, samplingRate, format, channels, acoustics);
@@ -381,7 +381,7 @@
     sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
     if (af == 0) {
         LOGW("openOutput() could not get AudioFlinger");
-        return NULL;
+        return 0;
     }
 
     return af->openOutput(pDevices, pSamplingRate, (uint32_t *)pFormat, pChannels, pLatencyMs, flags);
@@ -392,7 +392,7 @@
     sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
     if (af == 0) {
         LOGW("openDuplicateOutput() could not get AudioFlinger");
-        return NULL;
+        return 0;
     }
     return af->openDuplicateOutput(output1, output2);
 }
@@ -437,7 +437,7 @@
     sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
     if (af == 0) {
         LOGW("openInput() could not get AudioFlinger");
-        return NULL;
+        return 0;
     }
 
     return af->openInput(pDevices, pSamplingRate, (uint32_t *)pFormat, pChannels, acoustics);
@@ -453,7 +453,7 @@
 
 status_t AudioPolicyService::setStreamVolume(AudioSystem::stream_type stream, float volume, audio_io_handle_t output)
 {
-    return mAudioCommandThread->volumeCommand((int)stream, volume, (void *)output);
+    return mAudioCommandThread->volumeCommand((int)stream, volume, (int)output);
 }
 
 status_t AudioPolicyService::setStreamOutput(AudioSystem::stream_type stream, audio_io_handle_t output)
@@ -467,7 +467,7 @@
 
 void AudioPolicyService::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs)
 {
-    mAudioCommandThread->parametersCommand((void *)ioHandle, keyValuePairs);
+    mAudioCommandThread->parametersCommand((int)ioHandle, keyValuePairs);
 }
 
 String8 AudioPolicyService::getParameters(audio_io_handle_t ioHandle, const String8& keys)
@@ -547,7 +547,7 @@
                 }break;
             case SET_VOLUME: {
                 VolumeData *data = (VolumeData *)command->mParam;
-                LOGV("AudioCommandThread() processing set volume stream %d, volume %f, output %p", data->mStream, data->mVolume, data->mIO);
+                LOGV("AudioCommandThread() processing set volume stream %d, volume %f, output %d", data->mStream, data->mVolume, data->mIO);
                 mCommandStatus = AudioSystem::setStreamVolume(data->mStream, data->mVolume, data->mIO);
                 mCommandCond.signal();
                 mWaitWorkCV.wait(mLock);
@@ -555,7 +555,7 @@
                 }break;
             case SET_PARAMETERS: {
                  ParametersData *data = (ParametersData *)command->mParam;
-                 LOGV("AudioCommandThread() processing set parameters string %s, io %p", data->mKeyValuePairs.string(), data->mIO);
+                 LOGV("AudioCommandThread() processing set parameters string %s, io %d", data->mKeyValuePairs.string(), data->mIO);
                  mCommandStatus = AudioSystem::setParameters(data->mIO, data->mKeyValuePairs);
                  mCommandCond.signal();
                  mWaitWorkCV.wait(mLock);
@@ -599,7 +599,7 @@
     mWaitWorkCV.signal();
 }
 
-status_t AudioPolicyService::AudioCommandThread::volumeCommand(int stream, float volume, void *output)
+status_t AudioPolicyService::AudioCommandThread::volumeCommand(int stream, float volume, int output)
 {
     Mutex::Autolock _l(mLock);
     AudioCommand *command = new AudioCommand();
@@ -610,7 +610,7 @@
     data->mIO = output;
     command->mParam = data;
     mAudioCommands.add(command);
-    LOGV("AudioCommandThread() adding set volume stream %d, volume %f, output %p", stream, volume, output);
+    LOGV("AudioCommandThread() adding set volume stream %d, volume %f, output %d", stream, volume, output);
     mWaitWorkCV.signal();
     mCommandCond.wait(mLock);
     status_t status =  mCommandStatus;
@@ -618,7 +618,7 @@
     return status;
 }
 
-status_t AudioPolicyService::AudioCommandThread::parametersCommand(void *ioHandle, const String8& keyValuePairs)
+status_t AudioPolicyService::AudioCommandThread::parametersCommand(int ioHandle, const String8& keyValuePairs)
 {
     Mutex::Autolock _l(mLock);
     AudioCommand *command = new AudioCommand();
@@ -628,7 +628,7 @@
     data->mKeyValuePairs = keyValuePairs;
     command->mParam = data;
     mAudioCommands.add(command);
-    LOGV("AudioCommandThread() adding set parameter string %s, io %p", keyValuePairs.string(), ioHandle);
+    LOGV("AudioCommandThread() adding set parameter string %s, io %d", keyValuePairs.string(), ioHandle);
     mWaitWorkCV.signal();
     mCommandCond.wait(mLock);
     status_t status =  mCommandStatus;
diff --git a/libs/audioflinger/AudioPolicyService.h b/libs/audioflinger/AudioPolicyService.h
index 1c46975..3909fa4 100644
--- a/libs/audioflinger/AudioPolicyService.h
+++ b/libs/audioflinger/AudioPolicyService.h
@@ -136,8 +136,8 @@
                     void        exit();
                     void        startToneCommand(int type = 0, int stream = 0);
                     void        stopToneCommand();
-                    status_t    volumeCommand(int stream, float volume, void *output);
-                    status_t    parametersCommand(void *ioHandle, const String8& keyValuePairs);
+                    status_t    volumeCommand(int stream, float volume, int output);
+                    status_t    parametersCommand(int ioHandle, const String8& keyValuePairs);
 
     private:
         // descriptor for requested tone playback event
@@ -157,11 +157,11 @@
         public:
             int mStream;
             float mVolume;
-            void *mIO;
+            int mIO;
         };
         class ParametersData {
         public:
-            void *mIO;
+            int mIO;
             String8 mKeyValuePairs;
         };