diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 2541b15..46a8e0f 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -75,6 +75,11 @@
 
 static const nsecs_t kDefaultStandbyTimeInNsecs = seconds(3);
 
+#define MAX_GAIN 4096.0f
+#define MAX_GAIN_INT 0x1000
+
+#define INCLUDING_FROM_AUDIOFLINGER_H
+
 class AudioFlinger :
     public BinderService<AudioFlinger>,
     public BnAudioFlinger
@@ -283,7 +288,14 @@
     // ro.audio.flinger_standbytime_ms or defaults to kDefaultStandbyTimeInNsecs
     static nsecs_t          mStandbyTimeInNsecs;
 
+    // incremented by 2 when screen state changes, bit 0 == 1 means "off"
+    // AudioFlinger::setParameters() updates, other threads read w/o lock
+    static uint32_t         mScreenState;
+
     // Internal dump utilities.
+    static const int kDumpLockRetries = 50;
+    static const int kDumpLockSleepUs = 20000;
+    static bool dumpTryLock(Mutex& mutex);
     void dumpPermissionDenial(int fd, const Vector<String16>& args);
     void dumpClients(int fd, const Vector<String16>& args);
     void dumpInternals(int fd, const Vector<String16>& args);
@@ -348,419 +360,6 @@
     struct AudioStreamOut;
     struct AudioStreamIn;
 
-    class ThreadBase : public Thread {
-    public:
-
-        enum type_t {
-            MIXER,              // Thread class is MixerThread
-            DIRECT,             // Thread class is DirectOutputThread
-            DUPLICATING,        // Thread class is DuplicatingThread
-            RECORD              // Thread class is RecordThread
-        };
-
-        ThreadBase(const sp<AudioFlinger>& audioFlinger, audio_io_handle_t id,
-                    audio_devices_t outDevice, audio_devices_t inDevice, type_t type);
-        virtual             ~ThreadBase();
-
-        void dumpBase(int fd, const Vector<String16>& args);
-        void dumpEffectChains(int fd, const Vector<String16>& args);
-
-        void clearPowerManager();
-
-        // base for record and playback
-        class TrackBase : public ExtendedAudioBufferProvider, public RefBase {
-
-        public:
-            enum track_state {
-                IDLE,
-                TERMINATED,
-                FLUSHED,
-                STOPPED,
-                // next 2 states are currently used for fast tracks only
-                STOPPING_1,     // waiting for first underrun
-                STOPPING_2,     // waiting for presentation complete
-                RESUMING,
-                ACTIVE,
-                PAUSING,
-                PAUSED
-            };
-
-                                TrackBase(ThreadBase *thread,
-                                        const sp<Client>& client,
-                                        uint32_t sampleRate,
-                                        audio_format_t format,
-                                        audio_channel_mask_t channelMask,
-                                        size_t frameCount,
-                                        const sp<IMemory>& sharedBuffer,
-                                        int sessionId);
-            virtual             ~TrackBase();
-
-            virtual status_t    start(AudioSystem::sync_event_t event,
-                                     int triggerSession) = 0;
-            virtual void        stop() = 0;
-                    sp<IMemory> getCblk() const { return mCblkMemory; }
-                    audio_track_cblk_t* cblk() const { return mCblk; }
-                    int         sessionId() const { return mSessionId; }
-            virtual status_t    setSyncEvent(const sp<SyncEvent>& event);
-
-        protected:
-                                TrackBase(const TrackBase&);
-                                TrackBase& operator = (const TrackBase&);
-
-            // AudioBufferProvider interface
-            virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts) = 0;
-            virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer);
-
-            // ExtendedAudioBufferProvider interface is only needed for Track,
-            // but putting it in TrackBase avoids the complexity of virtual inheritance
-            virtual size_t  framesReady() const { return SIZE_MAX; }
-
-            audio_format_t format() const {
-                return mFormat;
-            }
-
-            uint32_t channelCount() const { return mChannelCount; }
-
-            audio_channel_mask_t channelMask() const { return mChannelMask; }
-
-            uint32_t sampleRate() const;    // FIXME inline after cblk sr moved
-
-            // Return a pointer to the start of a contiguous slice of the track buffer.
-            // Parameter 'offset' is the requested start position, expressed in
-            // monotonically increasing frame units relative to the track epoch.
-            // Parameter 'frames' is the requested length, also in frame units.
-            // Always returns non-NULL.  It is the caller's responsibility to
-            // verify that this will be successful; the result of calling this
-            // function with invalid 'offset' or 'frames' is undefined.
-            void* getBuffer(uint32_t offset, uint32_t frames) const;
-
-            bool isStopped() const {
-                return (mState == STOPPED || mState == FLUSHED);
-            }
-
-            // for fast tracks only
-            bool isStopping() const {
-                return mState == STOPPING_1 || mState == STOPPING_2;
-            }
-            bool isStopping_1() const {
-                return mState == STOPPING_1;
-            }
-            bool isStopping_2() const {
-                return mState == STOPPING_2;
-            }
-
-            bool isTerminated() const {
-                return mState == TERMINATED;
-            }
-
-            bool step();    // mStepCount is an implicit input
-            void reset();
-
-            virtual bool isOut() const = 0; // true for Track and TimedTrack, false for RecordTrack,
-                                            // this could be a track type if needed later
-
-            const wp<ThreadBase> mThread;
-            /*const*/ sp<Client> mClient;   // see explanation at ~TrackBase() why not const
-            sp<IMemory>         mCblkMemory;
-            audio_track_cblk_t* mCblk;
-            void*               mBuffer;    // start of track buffer, typically in shared memory
-            void*               mBufferEnd; // &mBuffer[mFrameCount * frameSize], where frameSize
-                                            //   is based on mChannelCount and 16-bit samples
-            uint32_t            mStepCount; // saves AudioBufferProvider::Buffer::frameCount as of
-                                            // time of releaseBuffer() for later use by step()
-            // we don't really need a lock for these
-            track_state         mState;
-            const uint32_t      mSampleRate;    // initial sample rate only; for tracks which
-                                // support dynamic rates, the current value is in control block
-            const audio_format_t mFormat;
-            const audio_channel_mask_t mChannelMask;
-            const uint8_t       mChannelCount;
-            const size_t        mFrameSize; // AudioFlinger's view of frame size in shared memory,
-                                            // where for AudioTrack (but not AudioRecord),
-                                            // 8-bit PCM samples are stored as 16-bit
-            const size_t        mFrameCount;// size of track buffer given at createTrack() or
-                                            // openRecord(), and then adjusted as needed
-            bool                mStepServerFailed;
-            const int           mSessionId;
-            Vector < sp<SyncEvent> >mSyncEvents;
-        };
-
-        enum {
-            CFG_EVENT_IO,
-            CFG_EVENT_PRIO
-        };
-
-        class ConfigEvent {
-        public:
-            ConfigEvent(int type) : mType(type) {}
-            virtual ~ConfigEvent() {}
-
-                     int type() const { return mType; }
-
-            virtual  void dump(char *buffer, size_t size) = 0;
-
-        private:
-            const int mType;
-        };
-
-        class IoConfigEvent : public ConfigEvent {
-        public:
-            IoConfigEvent(int event, int param) :
-                ConfigEvent(CFG_EVENT_IO), mEvent(event), mParam(event) {}
-            virtual ~IoConfigEvent() {}
-
-                    int event() const { return mEvent; }
-                    int param() const { return mParam; }
-
-            virtual  void dump(char *buffer, size_t size) {
-                snprintf(buffer, size, "IO event: event %d, param %d\n", mEvent, mParam);
-            }
-
-        private:
-            const int mEvent;
-            const int mParam;
-        };
-
-        class PrioConfigEvent : public ConfigEvent {
-        public:
-            PrioConfigEvent(pid_t pid, pid_t tid, int32_t prio) :
-                ConfigEvent(CFG_EVENT_PRIO), mPid(pid), mTid(tid), mPrio(prio) {}
-            virtual ~PrioConfigEvent() {}
-
-                    pid_t pid() const { return mPid; }
-                    pid_t tid() const { return mTid; }
-                    int32_t prio() const { return mPrio; }
-
-            virtual  void dump(char *buffer, size_t size) {
-                snprintf(buffer, size, "Prio event: pid %d, tid %d, prio %d\n", mPid, mTid, mPrio);
-            }
-
-        private:
-            const pid_t mPid;
-            const pid_t mTid;
-            const int32_t mPrio;
-        };
-
-
-        class PMDeathRecipient : public IBinder::DeathRecipient {
-        public:
-                        PMDeathRecipient(const wp<ThreadBase>& thread) : mThread(thread) {}
-            virtual     ~PMDeathRecipient() {}
-
-            // IBinder::DeathRecipient
-            virtual     void        binderDied(const wp<IBinder>& who);
-
-        private:
-                        PMDeathRecipient(const PMDeathRecipient&);
-                        PMDeathRecipient& operator = (const PMDeathRecipient&);
-
-            wp<ThreadBase> mThread;
-        };
-
-        virtual     status_t    initCheck() const = 0;
-
-                    // static externally-visible
-                    type_t      type() const { return mType; }
-                    audio_io_handle_t id() const { return mId;}
-
-                    // dynamic externally-visible
-                    uint32_t    sampleRate() const { return mSampleRate; }
-                    uint32_t    channelCount() const { return mChannelCount; }
-                    audio_channel_mask_t channelMask() const { return mChannelMask; }
-                    audio_format_t format() const { return mFormat; }
-                    // Called by AudioFlinger::frameCount(audio_io_handle_t output) and effects,
-                    // and returns the normal mix buffer's frame count.
-                    size_t      frameCount() const { return mNormalFrameCount; }
-                    // Return's the HAL's frame count i.e. fast mixer buffer size.
-                    size_t      frameCountHAL() const { return mFrameCount; }
-
-        // Should be "virtual status_t requestExitAndWait()" and override same
-        // method in Thread, but Thread::requestExitAndWait() is not yet virtual.
-                    void        exit();
-        virtual     bool        checkForNewParameters_l() = 0;
-        virtual     status_t    setParameters(const String8& keyValuePairs);
-        virtual     String8     getParameters(const String8& keys) = 0;
-        virtual     void        audioConfigChanged_l(int event, int param = 0) = 0;
-                    void        sendIoConfigEvent(int event, int param = 0);
-                    void        sendIoConfigEvent_l(int event, int param = 0);
-                    void        sendPrioConfigEvent_l(pid_t pid, pid_t tid, int32_t prio);
-                    void        processConfigEvents();
-
-                    // see note at declaration of mStandby, mOutDevice and mInDevice
-                    bool        standby() const { return mStandby; }
-                    audio_devices_t outDevice() const { return mOutDevice; }
-                    audio_devices_t inDevice() const { return mInDevice; }
-
-        virtual     audio_stream_t* stream() const = 0;
-
-                    sp<EffectHandle> createEffect_l(
-                                        const sp<AudioFlinger::Client>& client,
-                                        const sp<IEffectClient>& effectClient,
-                                        int32_t priority,
-                                        int sessionId,
-                                        effect_descriptor_t *desc,
-                                        int *enabled,
-                                        status_t *status);
-                    void disconnectEffect(const sp< EffectModule>& effect,
-                                          EffectHandle *handle,
-                                          bool unpinIfLast);
-
-                    // return values for hasAudioSession (bit field)
-                    enum effect_state {
-                        EFFECT_SESSION = 0x1,   // the audio session corresponds to at least one
-                                                // effect
-                        TRACK_SESSION = 0x2     // the audio session corresponds to at least one
-                                                // track
-                    };
-
-                    // get effect chain corresponding to session Id.
-                    sp<EffectChain> getEffectChain(int sessionId);
-                    // same as getEffectChain() but must be called with ThreadBase mutex locked
-                    sp<EffectChain> getEffectChain_l(int sessionId) const;
-                    // add an effect chain to the chain list (mEffectChains)
-        virtual     status_t addEffectChain_l(const sp<EffectChain>& chain) = 0;
-                    // remove an effect chain from the chain list (mEffectChains)
-        virtual     size_t removeEffectChain_l(const sp<EffectChain>& chain) = 0;
-                    // lock all effect chains Mutexes. Must be called before releasing the
-                    // ThreadBase mutex before processing the mixer and effects. This guarantees the
-                    // integrity of the chains during the process.
-                    // Also sets the parameter 'effectChains' to current value of mEffectChains.
-                    void lockEffectChains_l(Vector< sp<EffectChain> >& effectChains);
-                    // unlock effect chains after process
-                    void unlockEffectChains(const Vector< sp<EffectChain> >& effectChains);
-                    // set audio mode to all effect chains
-                    void setMode(audio_mode_t mode);
-                    // get effect module with corresponding ID on specified audio session
-                    sp<AudioFlinger::EffectModule> getEffect(int sessionId, int effectId);
-                    sp<AudioFlinger::EffectModule> getEffect_l(int sessionId, int effectId);
-                    // add and effect module. Also creates the effect chain is none exists for
-                    // the effects audio session
-                    status_t addEffect_l(const sp< EffectModule>& effect);
-                    // remove and effect module. Also removes the effect chain is this was the last
-                    // effect
-                    void removeEffect_l(const sp< EffectModule>& effect);
-                    // detach all tracks connected to an auxiliary effect
-        virtual     void detachAuxEffect_l(int effectId) {}
-                    // returns either EFFECT_SESSION if effects on this audio session exist in one
-                    // chain, or TRACK_SESSION if tracks on this audio session exist, or both
-                    virtual uint32_t hasAudioSession(int sessionId) const = 0;
-                    // the value returned by default implementation is not important as the
-                    // strategy is only meaningful for PlaybackThread which implements this method
-                    virtual uint32_t getStrategyForSession_l(int sessionId) { return 0; }
-
-                    // suspend or restore effect according to the type of effect passed. a NULL
-                    // type pointer means suspend all effects in the session
-                    void setEffectSuspended(const effect_uuid_t *type,
-                                            bool suspend,
-                                            int sessionId = AUDIO_SESSION_OUTPUT_MIX);
-                    // check if some effects must be suspended/restored when an effect is enabled
-                    // or disabled
-                    void checkSuspendOnEffectEnabled(const sp<EffectModule>& effect,
-                                                     bool enabled,
-                                                     int sessionId = AUDIO_SESSION_OUTPUT_MIX);
-                    void checkSuspendOnEffectEnabled_l(const sp<EffectModule>& effect,
-                                                       bool enabled,
-                                                       int sessionId = AUDIO_SESSION_OUTPUT_MIX);
-
-                    virtual status_t    setSyncEvent(const sp<SyncEvent>& event) = 0;
-                    virtual bool        isValidSyncEvent(const sp<SyncEvent>& event) const = 0;
-
-
-        mutable     Mutex                   mLock;
-
-    protected:
-
-                    // entry describing an effect being suspended in mSuspendedSessions keyed vector
-                    class SuspendedSessionDesc : public RefBase {
-                    public:
-                        SuspendedSessionDesc() : mRefCount(0) {}
-
-                        int mRefCount;          // number of active suspend requests
-                        effect_uuid_t mType;    // effect type UUID
-                    };
-
-                    void        acquireWakeLock();
-                    void        acquireWakeLock_l();
-                    void        releaseWakeLock();
-                    void        releaseWakeLock_l();
-                    void setEffectSuspended_l(const effect_uuid_t *type,
-                                              bool suspend,
-                                              int sessionId);
-                    // updated mSuspendedSessions when an effect suspended or restored
-                    void        updateSuspendedSessions_l(const effect_uuid_t *type,
-                                                          bool suspend,
-                                                          int sessionId);
-                    // check if some effects must be suspended when an effect chain is added
-                    void checkSuspendOnAddEffectChain_l(const sp<EffectChain>& chain);
-
-        virtual     void        preExit() { }
-
-        friend class AudioFlinger;      // for mEffectChains
-
-                    const type_t            mType;
-
-                    // Used by parameters, config events, addTrack_l, exit
-                    Condition               mWaitWorkCV;
-
-                    const sp<AudioFlinger>  mAudioFlinger;
-                    uint32_t                mSampleRate;
-                    size_t                  mFrameCount;       // output HAL, direct output, record
-                    size_t                  mNormalFrameCount; // normal mixer and effects
-                    audio_channel_mask_t    mChannelMask;
-                    uint16_t                mChannelCount;
-                    size_t                  mFrameSize;
-                    audio_format_t          mFormat;
-
-                    // Parameter sequence by client: binder thread calling setParameters():
-                    //  1. Lock mLock
-                    //  2. Append to mNewParameters
-                    //  3. mWaitWorkCV.signal
-                    //  4. mParamCond.waitRelative with timeout
-                    //  5. read mParamStatus
-                    //  6. mWaitWorkCV.signal
-                    //  7. Unlock
-                    //
-                    // Parameter sequence by server: threadLoop calling checkForNewParameters_l():
-                    // 1. Lock mLock
-                    // 2. If there is an entry in mNewParameters proceed ...
-                    // 2. Read first entry in mNewParameters
-                    // 3. Process
-                    // 4. Remove first entry from mNewParameters
-                    // 5. Set mParamStatus
-                    // 6. mParamCond.signal
-                    // 7. mWaitWorkCV.wait with timeout (this is to avoid overwriting mParamStatus)
-                    // 8. Unlock
-                    Condition               mParamCond;
-                    Vector<String8>         mNewParameters;
-                    status_t                mParamStatus;
-
-                    Vector<ConfigEvent *>     mConfigEvents;
-
-                    // These fields are written and read by thread itself without lock or barrier,
-                    // and read by other threads without lock or barrier via standby() , outDevice()
-                    // and inDevice().
-                    // Because of the absence of a lock or barrier, any other thread that reads
-                    // these fields must use the information in isolation, or be prepared to deal
-                    // with possibility that it might be inconsistent with other information.
-                    bool                    mStandby;   // Whether thread is currently in standby.
-                    audio_devices_t         mOutDevice;   // output device
-                    audio_devices_t         mInDevice;    // input device
-                    audio_source_t          mAudioSource; // (see audio.h, audio_source_t)
-
-                    const audio_io_handle_t mId;
-                    Vector< sp<EffectChain> > mEffectChains;
-
-                    static const int        kNameLength = 16;   // prctl(PR_SET_NAME) limit
-                    char                    mName[kNameLength];
-                    sp<IPowerManager>       mPowerManager;
-                    sp<IBinder>             mWakeLockToken;
-                    const sp<PMDeathRecipient> mDeathRecipient;
-                    // list of suspended effects per session and per type. The first vector is
-                    // keyed by session ID, the second by type UUID timeLow field
-                    KeyedVector< int, KeyedVector< int, sp<SuspendedSessionDesc> > >
-                                            mSuspendedSessions;
-    };
-
     struct  stream_type_t {
         stream_type_t()
             :   volume(1.0f),
@@ -772,633 +371,50 @@
     };
 
     // --- PlaybackThread ---
-    class PlaybackThread : public ThreadBase {
+
+#include "Threads.h"
+
+#include "Effects.h"
+
+    // server side of the client's IAudioTrack
+    class TrackHandle : public android::BnAudioTrack {
     public:
-
-        enum mixer_state {
-            MIXER_IDLE,             // no active tracks
-            MIXER_TRACKS_ENABLED,   // at least one active track, but no track has any data ready
-            MIXER_TRACKS_READY      // at least one active track, and at least one track has data
-            // standby mode does not have an enum value
-            // suspend by audio policy manager is orthogonal to mixer state
-        };
-
-        // playback track
-        class Track : public TrackBase, public VolumeProvider {
-        public:
-                                Track(  PlaybackThread *thread,
-                                        const sp<Client>& client,
-                                        audio_stream_type_t streamType,
-                                        uint32_t sampleRate,
-                                        audio_format_t format,
-                                        audio_channel_mask_t channelMask,
-                                        size_t frameCount,
-                                        const sp<IMemory>& sharedBuffer,
-                                        int sessionId,
-                                        IAudioFlinger::track_flags_t flags);
-            virtual             ~Track();
-
-            static  void        appendDumpHeader(String8& result);
-                    void        dump(char* buffer, size_t size);
-            virtual status_t    start(AudioSystem::sync_event_t event =
-                                            AudioSystem::SYNC_EVENT_NONE,
-                                     int triggerSession = 0);
-            virtual void        stop();
-                    void        pause();
-
-                    void        flush();
-                    void        destroy();
-                    void        mute(bool);
-                    int         name() const { return mName; }
-
-                    audio_stream_type_t streamType() const {
-                        return mStreamType;
-                    }
-                    status_t    attachAuxEffect(int EffectId);
-                    void        setAuxBuffer(int EffectId, int32_t *buffer);
-                    int32_t     *auxBuffer() const { return mAuxBuffer; }
-                    void        setMainBuffer(int16_t *buffer) { mMainBuffer = buffer; }
-                    int16_t     *mainBuffer() const { return mMainBuffer; }
-                    int         auxEffectId() const { return mAuxEffectId; }
-
-        // implement FastMixerState::VolumeProvider interface
-            virtual uint32_t    getVolumeLR();
-
-            virtual status_t    setSyncEvent(const sp<SyncEvent>& event);
-
-        protected:
-            // for numerous
-            friend class PlaybackThread;
-            friend class MixerThread;
-            friend class DirectOutputThread;
-
-                                Track(const Track&);
-                                Track& operator = (const Track&);
-
-            // AudioBufferProvider interface
-            virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer,
-                                           int64_t pts = kInvalidPTS);
-            // releaseBuffer() not overridden
-
-            virtual size_t framesReady() const;
-
-            bool isMuted() const { return mMute; }
-            bool isPausing() const {
-                return mState == PAUSING;
-            }
-            bool isPaused() const {
-                return mState == PAUSED;
-            }
-            bool isResuming() const {
-                return mState == RESUMING;
-            }
-            bool isReady() const;
-            void setPaused() { mState = PAUSED; }
-            void reset();
-
-            bool isOutputTrack() const {
-                return (mStreamType == AUDIO_STREAM_CNT);
-            }
-
-            sp<IMemory> sharedBuffer() const { return mSharedBuffer; }
-
-            // framesWritten is cumulative, never reset, and is shared all tracks
-            // audioHalFrames is derived from output latency
-            // FIXME parameters not needed, could get them from the thread
-            bool presentationComplete(size_t framesWritten, size_t audioHalFrames);
-
-        public:
-            void triggerEvents(AudioSystem::sync_event_t type);
-            virtual bool isTimedTrack() const { return false; }
-            bool isFastTrack() const { return (mFlags & IAudioFlinger::TRACK_FAST) != 0; }
-            virtual bool isOut() const;
-
-        protected:
-
-            // written by Track::mute() called by binder thread(s), without a mutex or barrier.
-            // read by Track::isMuted() called by playback thread, also without a mutex or barrier.
-            // The lack of mutex or barrier is safe because the mute status is only used by itself.
-            bool                mMute;
-
-            // FILLED state is used for suppressing volume ramp at begin of playing
-            enum {FS_INVALID, FS_FILLING, FS_FILLED, FS_ACTIVE};
-            mutable uint8_t     mFillingUpStatus;
-            int8_t              mRetryCount;
-            const sp<IMemory>   mSharedBuffer;
-            bool                mResetDone;
-            const audio_stream_type_t mStreamType;
-            int                 mName;      // track name on the normal mixer,
-                                            // allocated statically at track creation time,
-                                            // and is even allocated (though unused) for fast tracks
-                                            // FIXME don't allocate track name for fast tracks
-            int16_t             *mMainBuffer;
-            int32_t             *mAuxBuffer;
-            int                 mAuxEffectId;
-            bool                mHasVolumeController;
-            size_t              mPresentationCompleteFrames; // number of frames written to the
-                                            // audio HAL when this track will be fully rendered
-                                            // zero means not monitoring
-        private:
-            IAudioFlinger::track_flags_t mFlags;
-
-            // The following fields are only for fast tracks, and should be in a subclass
-            int                 mFastIndex; // index within FastMixerState::mFastTracks[];
-                                            // either mFastIndex == -1 if not isFastTrack()
-                                            // or 0 < mFastIndex < FastMixerState::kMaxFast because
-                                            // index 0 is reserved for normal mixer's submix;
-                                            // index is allocated statically at track creation time
-                                            // but the slot is only used if track is active
-            FastTrackUnderruns  mObservedUnderruns; // Most recently observed value of
-                                            // mFastMixerDumpState.mTracks[mFastIndex].mUnderruns
-            uint32_t            mUnderrunCount; // Counter of total number of underruns, never reset
-            volatile float      mCachedVolume;  // combined master volume and stream type volume;
-                                                // 'volatile' means accessed without lock or
-                                                // barrier, but is read/written atomically
-        };  // end of Track
-
-        class TimedTrack : public Track {
-          public:
-            static sp<TimedTrack> create(PlaybackThread *thread,
-                                         const sp<Client>& client,
-                                         audio_stream_type_t streamType,
-                                         uint32_t sampleRate,
-                                         audio_format_t format,
-                                         audio_channel_mask_t channelMask,
-                                         size_t frameCount,
-                                         const sp<IMemory>& sharedBuffer,
-                                         int sessionId);
-            virtual ~TimedTrack();
-
-            class TimedBuffer {
-              public:
-                TimedBuffer();
-                TimedBuffer(const sp<IMemory>& buffer, int64_t pts);
-                const sp<IMemory>& buffer() const { return mBuffer; }
-                int64_t pts() const { return mPTS; }
-                uint32_t position() const { return mPosition; }
-                void setPosition(uint32_t pos) { mPosition = pos; }
-              private:
-                sp<IMemory> mBuffer;
-                int64_t     mPTS;
-                uint32_t    mPosition;
-            };
-
-            // Mixer facing methods.
-            virtual bool isTimedTrack() const { return true; }
-            virtual size_t framesReady() const;
-
-            // AudioBufferProvider interface
-            virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer,
-                                           int64_t pts);
-            virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer);
-
-            // Client/App facing methods.
-            status_t    allocateTimedBuffer(size_t size,
-                                            sp<IMemory>* buffer);
-            status_t    queueTimedBuffer(const sp<IMemory>& buffer,
-                                         int64_t pts);
-            status_t    setMediaTimeTransform(const LinearTransform& xform,
-                                              TimedAudioTrack::TargetTimeline target);
-
-          private:
-            TimedTrack(PlaybackThread *thread,
-                       const sp<Client>& client,
-                       audio_stream_type_t streamType,
-                       uint32_t sampleRate,
-                       audio_format_t format,
-                       audio_channel_mask_t channelMask,
-                       size_t frameCount,
-                       const sp<IMemory>& sharedBuffer,
-                       int sessionId);
-
-            void timedYieldSamples_l(AudioBufferProvider::Buffer* buffer);
-            void timedYieldSilence_l(uint32_t numFrames,
-                                     AudioBufferProvider::Buffer* buffer);
-            void trimTimedBufferQueue_l();
-            void trimTimedBufferQueueHead_l(const char* logTag);
-            void updateFramesPendingAfterTrim_l(const TimedBuffer& buf,
-                                                const char* logTag);
-
-            uint64_t            mLocalTimeFreq;
-            LinearTransform     mLocalTimeToSampleTransform;
-            LinearTransform     mMediaTimeToSampleTransform;
-            sp<MemoryDealer>    mTimedMemoryDealer;
-
-            Vector<TimedBuffer> mTimedBufferQueue;
-            bool                mQueueHeadInFlight;
-            bool                mTrimQueueHeadOnRelease;
-            uint32_t            mFramesPendingInQueue;
-
-            uint8_t*            mTimedSilenceBuffer;
-            uint32_t            mTimedSilenceBufferSize;
-            mutable Mutex       mTimedBufferQueueLock;
-            bool                mTimedAudioOutputOnTime;
-            CCHelper            mCCHelper;
-
-            Mutex               mMediaTimeTransformLock;
-            LinearTransform     mMediaTimeTransform;
-            bool                mMediaTimeTransformValid;
-            TimedAudioTrack::TargetTimeline mMediaTimeTransformTarget;
-        };
-
-
-        // playback track, used by DuplicatingThread
-        class OutputTrack : public Track {
-        public:
-
-            class Buffer : public AudioBufferProvider::Buffer {
-            public:
-                int16_t *mBuffer;
-            };
-
-                                OutputTrack(PlaybackThread *thread,
-                                        DuplicatingThread *sourceThread,
-                                        uint32_t sampleRate,
-                                        audio_format_t format,
-                                        audio_channel_mask_t channelMask,
-                                        size_t frameCount);
-            virtual             ~OutputTrack();
-
-            virtual status_t    start(AudioSystem::sync_event_t event =
-                                            AudioSystem::SYNC_EVENT_NONE,
-                                     int triggerSession = 0);
-            virtual void        stop();
-                    bool        write(int16_t* data, uint32_t frames);
-                    bool        bufferQueueEmpty() const { return mBufferQueue.size() == 0; }
-                    bool        isActive() const { return mActive; }
-            const wp<ThreadBase>& thread() const { return mThread; }
-
-        private:
-
-            enum {
-                NO_MORE_BUFFERS = 0x80000001,   // same in AudioTrack.h, ok to be different value
-            };
-
-            status_t            obtainBuffer(AudioBufferProvider::Buffer* buffer,
-                                             uint32_t waitTimeMs);
-            void                clearBufferQueue();
-
-            // Maximum number of pending buffers allocated by OutputTrack::write()
-            static const uint8_t kMaxOverFlowBuffers = 10;
-
-            Vector < Buffer* >          mBufferQueue;
-            AudioBufferProvider::Buffer mOutBuffer;
-            bool                        mActive;
-            DuplicatingThread* const mSourceThread; // for waitTimeMs() in write()
-            void*                       mBuffers;   // starting address of buffers in plain memory
-        };  // end of OutputTrack
-
-        PlaybackThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output,
-                       audio_io_handle_t id, audio_devices_t device, type_t type);
-        virtual             ~PlaybackThread();
-
-                    void        dump(int fd, const Vector<String16>& args);
-
-        // Thread virtuals
-        virtual     status_t    readyToRun();
-        virtual     bool        threadLoop();
-
-        // RefBase
-        virtual     void        onFirstRef();
-
-protected:
-        // Code snippets that were lifted up out of threadLoop()
-        virtual     void        threadLoop_mix() = 0;
-        virtual     void        threadLoop_sleepTime() = 0;
-        virtual     void        threadLoop_write();
-        virtual     void        threadLoop_standby();
-        virtual     void        threadLoop_removeTracks(const Vector< sp<Track> >& tracksToRemove);
-
-                    // prepareTracks_l reads and writes mActiveTracks, and returns
-                    // the pending set of tracks to remove via Vector 'tracksToRemove'.  The caller
-                    // is responsible for clearing or destroying this Vector later on, when it
-                    // is safe to do so. That will drop the final ref count and destroy the tracks.
-        virtual     mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove) = 0;
-
-        // ThreadBase virtuals
-        virtual     void        preExit();
-
-public:
-
-        virtual     status_t    initCheck() const { return (mOutput == NULL) ? NO_INIT : NO_ERROR; }
-
-                    // return estimated latency in milliseconds, as reported by HAL
-                    uint32_t    latency() const;
-                    // same, but lock must already be held
-                    uint32_t    latency_l() const;
-
-                    void        setMasterVolume(float value);
-                    void        setMasterMute(bool muted);
-
-                    void        setStreamVolume(audio_stream_type_t stream, float value);
-                    void        setStreamMute(audio_stream_type_t stream, bool muted);
-
-                    float       streamVolume(audio_stream_type_t stream) const;
-
-                    sp<Track>   createTrack_l(
-                                    const sp<AudioFlinger::Client>& client,
-                                    audio_stream_type_t streamType,
-                                    uint32_t sampleRate,
-                                    audio_format_t format,
-                                    audio_channel_mask_t channelMask,
-                                    size_t frameCount,
-                                    const sp<IMemory>& sharedBuffer,
-                                    int sessionId,
-                                    IAudioFlinger::track_flags_t *flags,
-                                    pid_t tid,
-                                    status_t *status);
-
-                    AudioStreamOut* getOutput() const;
-                    AudioStreamOut* clearOutput();
-                    virtual audio_stream_t* stream() const;
-
-                    // a very large number of suspend() will eventually wraparound, but unlikely
-                    void        suspend() { (void) android_atomic_inc(&mSuspended); }
-                    void        restore()
-                                    {
-                                        // if restore() is done without suspend(), get back into
-                                        // range so that the next suspend() will operate correctly
-                                        if (android_atomic_dec(&mSuspended) <= 0) {
-                                            android_atomic_release_store(0, &mSuspended);
-                                        }
-                                    }
-                    bool        isSuspended() const
-                                    { return android_atomic_acquire_load(&mSuspended) > 0; }
-
-        virtual     String8     getParameters(const String8& keys);
-        virtual     void        audioConfigChanged_l(int event, int param = 0);
-                    status_t    getRenderPosition(size_t *halFrames, size_t *dspFrames);
-                    int16_t     *mixBuffer() const { return mMixBuffer; };
-
-        virtual     void detachAuxEffect_l(int effectId);
-                    status_t attachAuxEffect(const sp<AudioFlinger::PlaybackThread::Track> track,
-                            int EffectId);
-                    status_t attachAuxEffect_l(const sp<AudioFlinger::PlaybackThread::Track> track,
-                            int EffectId);
-
-                    virtual status_t addEffectChain_l(const sp<EffectChain>& chain);
-                    virtual size_t removeEffectChain_l(const sp<EffectChain>& chain);
-                    virtual uint32_t hasAudioSession(int sessionId) const;
-                    virtual uint32_t getStrategyForSession_l(int sessionId);
-
-
-                    virtual status_t setSyncEvent(const sp<SyncEvent>& event);
-                    virtual bool     isValidSyncEvent(const sp<SyncEvent>& event) const;
-                            void     invalidateTracks(audio_stream_type_t streamType);
-
-
-    protected:
-        int16_t*                        mMixBuffer;
-
-        // suspend count, > 0 means suspended.  While suspended, the thread continues to pull from
-        // tracks and mix, but doesn't write to HAL.  A2DP and SCO HAL implementations can't handle
-        // concurrent use of both of them, so Audio Policy Service suspends one of the threads to
-        // workaround that restriction.
-        // 'volatile' means accessed via atomic operations and no lock.
-        volatile int32_t                mSuspended;
-
-        // FIXME overflows every 6+ hours at 44.1 kHz stereo 16-bit samples
-        // mFramesWritten would be better, or 64-bit even better
-        size_t                          mBytesWritten;
+                            TrackHandle(const sp<PlaybackThread::Track>& track);
+        virtual             ~TrackHandle();
+        virtual sp<IMemory> getCblk() const;
+        virtual status_t    start();
+        virtual void        stop();
+        virtual void        flush();
+        virtual void        mute(bool);
+        virtual void        pause();
+        virtual status_t    attachAuxEffect(int effectId);
+        virtual status_t    allocateTimedBuffer(size_t size,
+                                                sp<IMemory>* buffer);
+        virtual status_t    queueTimedBuffer(const sp<IMemory>& buffer,
+                                             int64_t pts);
+        virtual status_t    setMediaTimeTransform(const LinearTransform& xform,
+                                                  int target);
+        virtual status_t onTransact(
+            uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
     private:
-        // mMasterMute is in both PlaybackThread and in AudioFlinger.  When a
-        // PlaybackThread needs to find out if master-muted, it checks it's local
-        // copy rather than the one in AudioFlinger.  This optimization saves a lock.
-        bool                            mMasterMute;
-                    void        setMasterMute_l(bool muted) { mMasterMute = muted; }
-    protected:
-        SortedVector< wp<Track> >       mActiveTracks;  // FIXME check if this could be sp<>
-
-        // Allocate a track name for a given channel mask.
-        //   Returns name >= 0 if successful, -1 on failure.
-        virtual int             getTrackName_l(audio_channel_mask_t channelMask, int sessionId) = 0;
-        virtual void            deleteTrackName_l(int name) = 0;
-
-        // Time to sleep between cycles when:
-        virtual uint32_t        activeSleepTimeUs() const;      // mixer state MIXER_TRACKS_ENABLED
-        virtual uint32_t        idleSleepTimeUs() const = 0;    // mixer state MIXER_IDLE
-        virtual uint32_t        suspendSleepTimeUs() const = 0; // audio policy manager suspended us
-        // No sleep when mixer state == MIXER_TRACKS_READY; relies on audio HAL stream->write()
-        // No sleep in standby mode; waits on a condition
-
-        // Code snippets that are temporarily lifted up out of threadLoop() until the merge
-                    void        checkSilentMode_l();
-
-        // Non-trivial for DUPLICATING only
-        virtual     void        saveOutputTracks() { }
-        virtual     void        clearOutputTracks() { }
-
-        // Cache various calculated values, at threadLoop() entry and after a parameter change
-        virtual     void        cacheParameters_l();
-
-        virtual     uint32_t    correctLatency_l(uint32_t latency) const;
-
-    private:
-
-        friend class AudioFlinger;      // for numerous
-
-        PlaybackThread(const Client&);
-        PlaybackThread& operator = (const PlaybackThread&);
-
-        status_t    addTrack_l(const sp<Track>& track);
-        void        destroyTrack_l(const sp<Track>& track);
-        void        removeTrack_l(const sp<Track>& track);
-
-        void        readOutputParameters();
-
-        virtual void dumpInternals(int fd, const Vector<String16>& args);
-        void        dumpTracks(int fd, const Vector<String16>& args);
-
-        SortedVector< sp<Track> >       mTracks;
-        // mStreamTypes[] uses 1 additional stream type internally for the OutputTrack used by
-        // DuplicatingThread
-        stream_type_t                   mStreamTypes[AUDIO_STREAM_CNT + 1];
-        AudioStreamOut                  *mOutput;
-
-        float                           mMasterVolume;
-        nsecs_t                         mLastWriteTime;
-        int                             mNumWrites;
-        int                             mNumDelayedWrites;
-        bool                            mInWrite;
-
-        // FIXME rename these former local variables of threadLoop to standard "m" names
-        nsecs_t                         standbyTime;
-        size_t                          mixBufferSize;
-
-        // cached copies of activeSleepTimeUs() and idleSleepTimeUs() made by cacheParameters_l()
-        uint32_t                        activeSleepTime;
-        uint32_t                        idleSleepTime;
-
-        uint32_t                        sleepTime;
-
-        // mixer status returned by prepareTracks_l()
-        mixer_state                     mMixerStatus; // current cycle
-                                                      // previous cycle when in prepareTracks_l()
-        mixer_state                     mMixerStatusIgnoringFastTracks;
-                                                      // FIXME or a separate ready state per track
-
-        // FIXME move these declarations into the specific sub-class that needs them
-        // MIXER only
-        uint32_t                        sleepTimeShift;
-
-        // same as AudioFlinger::mStandbyTimeInNsecs except for DIRECT which uses a shorter value
-        nsecs_t                         standbyDelay;
-
-        // MIXER only
-        nsecs_t                         maxPeriod;
-
-        // DUPLICATING only
-        uint32_t                        writeFrames;
-
-    private:
-        // The HAL output sink is treated as non-blocking, but current implementation is blocking
-        sp<NBAIO_Sink>          mOutputSink;
-        // If a fast mixer is present, the blocking pipe sink, otherwise clear
-        sp<NBAIO_Sink>          mPipeSink;
-        // The current sink for the normal mixer to write it's (sub)mix, mOutputSink or mPipeSink
-        sp<NBAIO_Sink>          mNormalSink;
-        // For dumpsys
-        sp<NBAIO_Sink>          mTeeSink;
-        sp<NBAIO_Source>        mTeeSource;
-        uint32_t                mScreenState;   // cached copy of gScreenState
-    public:
-        virtual     bool        hasFastMixer() const = 0;
-        virtual     FastTrackUnderruns getFastTrackUnderruns(size_t fastIndex) const
-                                    { FastTrackUnderruns dummy; return dummy; }
-
-    protected:
-                    // accessed by both binder threads and within threadLoop(), lock on mutex needed
-                    unsigned    mFastTrackAvailMask;    // bit i set if fast track [i] is available
-
+        const sp<PlaybackThread::Track> mTrack;
     };
 
-    class MixerThread : public PlaybackThread {
+    // server side of the client's IAudioRecord
+    class RecordHandle : public android::BnAudioRecord {
     public:
-        MixerThread(const sp<AudioFlinger>& audioFlinger,
-                    AudioStreamOut* output,
-                    audio_io_handle_t id,
-                    audio_devices_t device,
-                    type_t type = MIXER);
-        virtual             ~MixerThread();
-
-        // Thread virtuals
-
-        virtual     bool        checkForNewParameters_l();
-        virtual     void        dumpInternals(int fd, const Vector<String16>& args);
-
-    protected:
-        virtual     mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove);
-        virtual     int         getTrackName_l(audio_channel_mask_t channelMask, int sessionId);
-        virtual     void        deleteTrackName_l(int name);
-        virtual     uint32_t    idleSleepTimeUs() const;
-        virtual     uint32_t    suspendSleepTimeUs() const;
-        virtual     void        cacheParameters_l();
-
-        // threadLoop snippets
-        virtual     void        threadLoop_write();
-        virtual     void        threadLoop_standby();
-        virtual     void        threadLoop_mix();
-        virtual     void        threadLoop_sleepTime();
-        virtual     void        threadLoop_removeTracks(const Vector< sp<Track> >& tracksToRemove);
-        virtual     uint32_t    correctLatency_l(uint32_t latency) const;
-
-                    AudioMixer* mAudioMixer;    // normal mixer
+        RecordHandle(const sp<RecordThread::RecordTrack>& recordTrack);
+        virtual             ~RecordHandle();
+        virtual sp<IMemory> getCblk() const;
+        virtual status_t    start(int /*AudioSystem::sync_event_t*/ event, int triggerSession);
+        virtual void        stop();
+        virtual status_t onTransact(
+            uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
     private:
-                    // one-time initialization, no locks required
-                    FastMixer*  mFastMixer;         // non-NULL if there is also a fast mixer
-                    sp<AudioWatchdog> mAudioWatchdog; // non-0 if there is an audio watchdog thread
+        const sp<RecordThread::RecordTrack> mRecordTrack;
 
-                    // contents are not guaranteed to be consistent, no locks required
-                    FastMixerDumpState mFastMixerDumpState;
-#ifdef STATE_QUEUE_DUMP
-                    StateQueueObserverDump mStateQueueObserverDump;
-                    StateQueueMutatorDump  mStateQueueMutatorDump;
-#endif
-                    AudioWatchdogDump mAudioWatchdogDump;
-
-                    // accessible only within the threadLoop(), no locks required
-                    //          mFastMixer->sq()    // for mutating and pushing state
-                    int32_t     mFastMixerFutex;    // for cold idle
-
-    public:
-        virtual     bool        hasFastMixer() const { return mFastMixer != NULL; }
-        virtual     FastTrackUnderruns getFastTrackUnderruns(size_t fastIndex) const {
-                                  ALOG_ASSERT(fastIndex < FastMixerState::kMaxFastTracks);
-                                  return mFastMixerDumpState.mTracks[fastIndex].mUnderruns;
-                                }
-    };
-
-    class DirectOutputThread : public PlaybackThread {
-    public:
-
-        DirectOutputThread(const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output,
-                           audio_io_handle_t id, audio_devices_t device);
-        virtual                 ~DirectOutputThread();
-
-        // Thread virtuals
-
-        virtual     bool        checkForNewParameters_l();
-
-    protected:
-        virtual     int         getTrackName_l(audio_channel_mask_t channelMask, int sessionId);
-        virtual     void        deleteTrackName_l(int name);
-        virtual     uint32_t    activeSleepTimeUs() const;
-        virtual     uint32_t    idleSleepTimeUs() const;
-        virtual     uint32_t    suspendSleepTimeUs() const;
-        virtual     void        cacheParameters_l();
-
-        // threadLoop snippets
-        virtual     mixer_state prepareTracks_l(Vector< sp<Track> > *tracksToRemove);
-        virtual     void        threadLoop_mix();
-        virtual     void        threadLoop_sleepTime();
-
-    private:
-        // volumes last sent to audio HAL with stream->set_volume()
-        float mLeftVolFloat;
-        float mRightVolFloat;
-
-        // prepareTracks_l() tells threadLoop_mix() the name of the single active track
-        sp<Track>               mActiveTrack;
-    public:
-        virtual     bool        hasFastMixer() const { return false; }
-    };
-
-    class DuplicatingThread : public MixerThread {
-    public:
-        DuplicatingThread(const sp<AudioFlinger>& audioFlinger, MixerThread* mainThread,
-                          audio_io_handle_t id);
-        virtual                 ~DuplicatingThread();
-
-        // Thread virtuals
-                    void        addOutputTrack(MixerThread* thread);
-                    void        removeOutputTrack(MixerThread* thread);
-                    uint32_t    waitTimeMs() const { return mWaitTimeMs; }
-    protected:
-        virtual     uint32_t    activeSleepTimeUs() const;
-
-    private:
-                    bool        outputsReady(const SortedVector< sp<OutputTrack> > &outputTracks);
-    protected:
-        // threadLoop snippets
-        virtual     void        threadLoop_mix();
-        virtual     void        threadLoop_sleepTime();
-        virtual     void        threadLoop_write();
-        virtual     void        threadLoop_standby();
-        virtual     void        cacheParameters_l();
-
-    private:
-        // called from threadLoop, addOutputTrack, removeOutputTrack
-        virtual     void        updateWaitTime_l();
-    protected:
-        virtual     void        saveOutputTracks();
-        virtual     void        clearOutputTracks();
-    private:
-
-                    uint32_t    mWaitTimeMs;
-        SortedVector < sp<OutputTrack> >  outputTracks;
-        SortedVector < sp<OutputTrack> >  mOutputTracks;
-    public:
-        virtual     bool        hasFastMixer() const { return false; }
+        // for use from destructor
+        void                stop_nonvirtual();
     };
 
               PlaybackThread *checkPlaybackThread_l(audio_io_handle_t output) const;
@@ -1425,545 +441,10 @@
 
               sp<PlaybackThread> getEffectThread_l(int sessionId, int EffectId);
 
-    // server side of the client's IAudioTrack
-    class TrackHandle : public android::BnAudioTrack {
-    public:
-                            TrackHandle(const sp<PlaybackThread::Track>& track);
-        virtual             ~TrackHandle();
-        virtual sp<IMemory> getCblk() const;
-        virtual status_t    start();
-        virtual void        stop();
-        virtual void        flush();
-        virtual void        mute(bool);
-        virtual void        pause();
-        virtual status_t    attachAuxEffect(int effectId);
-        virtual status_t    allocateTimedBuffer(size_t size,
-                                                sp<IMemory>* buffer);
-        virtual status_t    queueTimedBuffer(const sp<IMemory>& buffer,
-                                             int64_t pts);
-        virtual status_t    setMediaTimeTransform(const LinearTransform& xform,
-                                                  int target);
-        virtual status_t onTransact(
-            uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
-    private:
-        const sp<PlaybackThread::Track> mTrack;
-    };
 
                 void        removeClient_l(pid_t pid);
                 void        removeNotificationClient(pid_t pid);
 
-
-    // record thread
-    class RecordThread : public ThreadBase, public AudioBufferProvider
-                            // derives from AudioBufferProvider interface for use by resampler
-    {
-    public:
-
-        // record track
-        class RecordTrack : public TrackBase {
-        public:
-                                RecordTrack(RecordThread *thread,
-                                        const sp<Client>& client,
-                                        uint32_t sampleRate,
-                                        audio_format_t format,
-                                        audio_channel_mask_t channelMask,
-                                        size_t frameCount,
-                                        int sessionId);
-            virtual             ~RecordTrack();
-
-            virtual status_t    start(AudioSystem::sync_event_t event, int triggerSession);
-            virtual void        stop();
-
-                    void        destroy();
-
-                    // clear the buffer overflow flag
-                    void        clearOverflow() { mOverflow = false; }
-                    // set the buffer overflow flag and return previous value
-                    bool        setOverflow() { bool tmp = mOverflow; mOverflow = true;
-                                                        return tmp; }
-
-            static  void        appendDumpHeader(String8& result);
-                    void        dump(char* buffer, size_t size);
-
-            virtual bool isOut() const;
-
-        private:
-            friend class AudioFlinger;  // for mState
-
-                                RecordTrack(const RecordTrack&);
-                                RecordTrack& operator = (const RecordTrack&);
-
-            // AudioBufferProvider interface
-            virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer,
-                                           int64_t pts = kInvalidPTS);
-            // releaseBuffer() not overridden
-
-            bool                mOverflow;  // overflow on most recent attempt to fill client buffer
-        };
-
-                RecordThread(const sp<AudioFlinger>& audioFlinger,
-                        AudioStreamIn *input,
-                        uint32_t sampleRate,
-                        audio_channel_mask_t channelMask,
-                        audio_io_handle_t id,
-                        audio_devices_t device,
-                        const sp<NBAIO_Sink>& teeSink);
-                virtual     ~RecordThread();
-
-        // no addTrack_l ?
-        void        destroyTrack_l(const sp<RecordTrack>& track);
-        void        removeTrack_l(const sp<RecordTrack>& track);
-
-        void        dumpInternals(int fd, const Vector<String16>& args);
-        void        dumpTracks(int fd, const Vector<String16>& args);
-
-        // Thread virtuals
-        virtual bool        threadLoop();
-        virtual status_t    readyToRun();
-
-        // RefBase
-        virtual void        onFirstRef();
-
-        virtual status_t    initCheck() const { return (mInput == NULL) ? NO_INIT : NO_ERROR; }
-                sp<AudioFlinger::RecordThread::RecordTrack>  createRecordTrack_l(
-                        const sp<AudioFlinger::Client>& client,
-                        uint32_t sampleRate,
-                        audio_format_t format,
-                        audio_channel_mask_t channelMask,
-                        size_t frameCount,
-                        int sessionId,
-                        IAudioFlinger::track_flags_t flags,
-                        pid_t tid,
-                        status_t *status);
-
-                status_t    start(RecordTrack* recordTrack,
-                                  AudioSystem::sync_event_t event,
-                                  int triggerSession);
-
-                // ask the thread to stop the specified track, and
-                // return true if the caller should then do it's part of the stopping process
-                bool        stop_l(RecordTrack* recordTrack);
-
-                void        dump(int fd, const Vector<String16>& args);
-                AudioStreamIn* clearInput();
-                virtual audio_stream_t* stream() const;
-
-        // AudioBufferProvider interface
-        virtual status_t    getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts);
-        virtual void        releaseBuffer(AudioBufferProvider::Buffer* buffer);
-
-        virtual bool        checkForNewParameters_l();
-        virtual String8     getParameters(const String8& keys);
-        virtual void        audioConfigChanged_l(int event, int param = 0);
-                void        readInputParameters();
-        virtual unsigned int  getInputFramesLost();
-
-        virtual status_t addEffectChain_l(const sp<EffectChain>& chain);
-        virtual size_t removeEffectChain_l(const sp<EffectChain>& chain);
-        virtual uint32_t hasAudioSession(int sessionId) const;
-
-                // Return the set of unique session IDs across all tracks.
-                // The keys are the session IDs, and the associated values are meaningless.
-                // FIXME replace by Set [and implement Bag/Multiset for other uses].
-                KeyedVector<int, bool> sessionIds() const;
-
-        virtual status_t setSyncEvent(const sp<SyncEvent>& event);
-        virtual bool     isValidSyncEvent(const sp<SyncEvent>& event) const;
-
-        static void syncStartEventCallback(const wp<SyncEvent>& event);
-               void handleSyncStartEvent(const sp<SyncEvent>& event);
-
-    private:
-                void clearSyncStartEvent();
-
-                // Enter standby if not already in standby, and set mStandby flag
-                void standby();
-
-                // Call the HAL standby method unconditionally, and don't change mStandby flag
-                void inputStandBy();
-
-                AudioStreamIn                       *mInput;
-                SortedVector < sp<RecordTrack> >    mTracks;
-                // mActiveTrack has dual roles:  it indicates the current active track, and
-                // is used together with mStartStopCond to indicate start()/stop() progress
-                sp<RecordTrack>                     mActiveTrack;
-                Condition                           mStartStopCond;
-                AudioResampler                      *mResampler;
-                int32_t                             *mRsmpOutBuffer;
-                int16_t                             *mRsmpInBuffer;
-                size_t                              mRsmpInIndex;
-                size_t                              mInputBytes;
-                const uint32_t                      mReqChannelCount;
-                const uint32_t                      mReqSampleRate;
-                ssize_t                             mBytesRead;
-                // sync event triggering actual audio capture. Frames read before this event will
-                // be dropped and therefore not read by the application.
-                sp<SyncEvent>                       mSyncStartEvent;
-                // number of captured frames to drop after the start sync event has been received.
-                // when < 0, maximum frames to drop before starting capture even if sync event is
-                // not received
-                ssize_t                             mFramestoDrop;
-
-                // For dumpsys
-                const sp<NBAIO_Sink>                mTeeSink;
-    };
-
-    // server side of the client's IAudioRecord
-    class RecordHandle : public android::BnAudioRecord {
-    public:
-        RecordHandle(const sp<RecordThread::RecordTrack>& recordTrack);
-        virtual             ~RecordHandle();
-        virtual sp<IMemory> getCblk() const;
-        virtual status_t    start(int /*AudioSystem::sync_event_t*/ event, int triggerSession);
-        virtual void        stop();
-        virtual status_t onTransact(
-            uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
-    private:
-        const sp<RecordThread::RecordTrack> mRecordTrack;
-
-        // for use from destructor
-        void                stop_nonvirtual();
-    };
-
-    //--- Audio Effect Management
-
-    // EffectModule and EffectChain classes both have their own mutex to protect
-    // state changes or resource modifications. Always respect the following order
-    // if multiple mutexes must be acquired to avoid cross deadlock:
-    // AudioFlinger -> ThreadBase -> EffectChain -> EffectModule
-
-    // The EffectModule class is a wrapper object controlling the effect engine implementation
-    // in the effect library. It prevents concurrent calls to process() and command() functions
-    // from different client threads. It keeps a list of EffectHandle objects corresponding
-    // to all client applications using this effect and notifies applications of effect state,
-    // control or parameter changes. It manages the activation state machine to send appropriate
-    // reset, enable, disable commands to effect engine and provide volume
-    // ramping when effects are activated/deactivated.
-    // When controlling an auxiliary effect, the EffectModule also provides an input buffer used by
-    // the attached track(s) to accumulate their auxiliary channel.
-    class EffectModule : public RefBase {
-    public:
-        EffectModule(ThreadBase *thread,
-                        const wp<AudioFlinger::EffectChain>& chain,
-                        effect_descriptor_t *desc,
-                        int id,
-                        int sessionId);
-        virtual ~EffectModule();
-
-        enum effect_state {
-            IDLE,
-            RESTART,
-            STARTING,
-            ACTIVE,
-            STOPPING,
-            STOPPED,
-            DESTROYED
-        };
-
-        int         id() const { return mId; }
-        void process();
-        void updateState();
-        status_t command(uint32_t cmdCode,
-                         uint32_t cmdSize,
-                         void *pCmdData,
-                         uint32_t *replySize,
-                         void *pReplyData);
-
-        void reset_l();
-        status_t configure();
-        status_t init();
-        effect_state state() const {
-            return mState;
-        }
-        uint32_t status() {
-            return mStatus;
-        }
-        int sessionId() const {
-            return mSessionId;
-        }
-        status_t    setEnabled(bool enabled);
-        status_t    setEnabled_l(bool enabled);
-        bool isEnabled() const;
-        bool isProcessEnabled() const;
-
-        void        setInBuffer(int16_t *buffer) { mConfig.inputCfg.buffer.s16 = buffer; }
-        int16_t     *inBuffer() { return mConfig.inputCfg.buffer.s16; }
-        void        setOutBuffer(int16_t *buffer) { mConfig.outputCfg.buffer.s16 = buffer; }
-        int16_t     *outBuffer() { return mConfig.outputCfg.buffer.s16; }
-        void        setChain(const wp<EffectChain>& chain) { mChain = chain; }
-        void        setThread(const wp<ThreadBase>& thread) { mThread = thread; }
-        const wp<ThreadBase>& thread() { return mThread; }
-
-        status_t addHandle(EffectHandle *handle);
-        size_t disconnect(EffectHandle *handle, bool unpinIfLast);
-        size_t removeHandle(EffectHandle *handle);
-
-        const effect_descriptor_t& desc() const { return mDescriptor; }
-        wp<EffectChain>&     chain() { return mChain; }
-
-        status_t         setDevice(audio_devices_t device);
-        status_t         setVolume(uint32_t *left, uint32_t *right, bool controller);
-        status_t         setMode(audio_mode_t mode);
-        status_t         setAudioSource(audio_source_t source);
-        status_t         start();
-        status_t         stop();
-        void             setSuspended(bool suspended);
-        bool             suspended() const;
-
-        EffectHandle*    controlHandle_l();
-
-        bool             isPinned() const { return mPinned; }
-        void             unPin() { mPinned = false; }
-        bool             purgeHandles();
-        void             lock() { mLock.lock(); }
-        void             unlock() { mLock.unlock(); }
-
-        void             dump(int fd, const Vector<String16>& args);
-
-    protected:
-        friend class AudioFlinger;      // for mHandles
-        bool                mPinned;
-
-        // Maximum time allocated to effect engines to complete the turn off sequence
-        static const uint32_t MAX_DISABLE_TIME_MS = 10000;
-
-        EffectModule(const EffectModule&);
-        EffectModule& operator = (const EffectModule&);
-
-        status_t start_l();
-        status_t stop_l();
-
-mutable Mutex               mLock;      // mutex for process, commands and handles list protection
-        wp<ThreadBase>      mThread;    // parent thread
-        wp<EffectChain>     mChain;     // parent effect chain
-        const int           mId;        // this instance unique ID
-        const int           mSessionId; // audio session ID
-        const effect_descriptor_t mDescriptor;// effect descriptor received from effect engine
-        effect_config_t     mConfig;    // input and output audio configuration
-        effect_handle_t  mEffectInterface; // Effect module C API
-        status_t            mStatus;    // initialization status
-        effect_state        mState;     // current activation state
-        Vector<EffectHandle *> mHandles;    // list of client handles
-                    // First handle in mHandles has highest priority and controls the effect module
-        uint32_t mMaxDisableWaitCnt;    // maximum grace period before forcing an effect off after
-                                        // sending disable command.
-        uint32_t mDisableWaitCnt;       // current process() calls count during disable period.
-        bool     mSuspended;            // effect is suspended: temporarily disabled by framework
-    };
-
-    // The EffectHandle class implements the IEffect interface. It provides resources
-    // to receive parameter updates, keeps track of effect control
-    // ownership and state and has a pointer to the EffectModule object it is controlling.
-    // There is one EffectHandle object for each application controlling (or using)
-    // an effect module.
-    // The EffectHandle is obtained by calling AudioFlinger::createEffect().
-    class EffectHandle: public android::BnEffect {
-    public:
-
-        EffectHandle(const sp<EffectModule>& effect,
-                const sp<AudioFlinger::Client>& client,
-                const sp<IEffectClient>& effectClient,
-                int32_t priority);
-        virtual ~EffectHandle();
-
-        // IEffect
-        virtual status_t enable();
-        virtual status_t disable();
-        virtual status_t command(uint32_t cmdCode,
-                                 uint32_t cmdSize,
-                                 void *pCmdData,
-                                 uint32_t *replySize,
-                                 void *pReplyData);
-        virtual void disconnect();
-    private:
-                void disconnect(bool unpinIfLast);
-    public:
-        virtual sp<IMemory> getCblk() const { return mCblkMemory; }
-        virtual status_t onTransact(uint32_t code, const Parcel& data,
-                Parcel* reply, uint32_t flags);
-
-
-        // Give or take control of effect module
-        // - hasControl: true if control is given, false if removed
-        // - signal: true client app should be signaled of change, false otherwise
-        // - enabled: state of the effect when control is passed
-        void setControl(bool hasControl, bool signal, bool enabled);
-        void commandExecuted(uint32_t cmdCode,
-                             uint32_t cmdSize,
-                             void *pCmdData,
-                             uint32_t replySize,
-                             void *pReplyData);
-        void setEnabled(bool enabled);
-        bool enabled() const { return mEnabled; }
-
-        // Getters
-        int id() const { return mEffect->id(); }
-        int priority() const { return mPriority; }
-        bool hasControl() const { return mHasControl; }
-        sp<EffectModule> effect() const { return mEffect; }
-        // destroyed_l() must be called with the associated EffectModule mLock held
-        bool destroyed_l() const { return mDestroyed; }
-
-        void dump(char* buffer, size_t size);
-
-    protected:
-        friend class AudioFlinger;          // for mEffect, mHasControl, mEnabled
-        EffectHandle(const EffectHandle&);
-        EffectHandle& operator =(const EffectHandle&);
-
-        sp<EffectModule> mEffect;           // pointer to controlled EffectModule
-        sp<IEffectClient> mEffectClient;    // callback interface for client notifications
-        /*const*/ sp<Client> mClient;       // client for shared memory allocation, see disconnect()
-        sp<IMemory>         mCblkMemory;    // shared memory for control block
-        effect_param_cblk_t* mCblk;         // control block for deferred parameter setting via
-                                            // shared memory
-        uint8_t*            mBuffer;        // pointer to parameter area in shared memory
-        int mPriority;                      // client application priority to control the effect
-        bool mHasControl;                   // true if this handle is controlling the effect
-        bool mEnabled;                      // cached enable state: needed when the effect is
-                                            // restored after being suspended
-        bool mDestroyed;                    // Set to true by destructor. Access with EffectModule
-                                            // mLock held
-    };
-
-    // the EffectChain class represents a group of effects associated to one audio session.
-    // There can be any number of EffectChain objects per output mixer thread (PlaybackThread).
-    // The EffecChain with session ID 0 contains global effects applied to the output mix.
-    // Effects in this chain can be insert or auxiliary. Effects in other chains (attached to
-    // tracks) are insert only. The EffectChain maintains an ordered list of effect module, the
-    // order corresponding in the effect process order. When attached to a track (session ID != 0),
-    // it also provide it's own input buffer used by the track as accumulation buffer.
-    class EffectChain : public RefBase {
-    public:
-        EffectChain(const wp<ThreadBase>& wThread, int sessionId);
-        EffectChain(ThreadBase *thread, int sessionId);
-        virtual ~EffectChain();
-
-        // special key used for an entry in mSuspendedEffects keyed vector
-        // corresponding to a suspend all request.
-        static const int        kKeyForSuspendAll = 0;
-
-        // minimum duration during which we force calling effect process when last track on
-        // a session is stopped or removed to allow effect tail to be rendered
-        static const int        kProcessTailDurationMs = 1000;
-
-        void process_l();
-
-        void lock() {
-            mLock.lock();
-        }
-        void unlock() {
-            mLock.unlock();
-        }
-
-        status_t addEffect_l(const sp<EffectModule>& handle);
-        size_t removeEffect_l(const sp<EffectModule>& handle);
-
-        int sessionId() const { return mSessionId; }
-        void setSessionId(int sessionId) { mSessionId = sessionId; }
-
-        sp<EffectModule> getEffectFromDesc_l(effect_descriptor_t *descriptor);
-        sp<EffectModule> getEffectFromId_l(int id);
-        sp<EffectModule> getEffectFromType_l(const effect_uuid_t *type);
-        bool setVolume_l(uint32_t *left, uint32_t *right);
-        void setDevice_l(audio_devices_t device);
-        void setMode_l(audio_mode_t mode);
-        void setAudioSource_l(audio_source_t source);
-
-        void setInBuffer(int16_t *buffer, bool ownsBuffer = false) {
-            mInBuffer = buffer;
-            mOwnInBuffer = ownsBuffer;
-        }
-        int16_t *inBuffer() const {
-            return mInBuffer;
-        }
-        void setOutBuffer(int16_t *buffer) {
-            mOutBuffer = buffer;
-        }
-        int16_t *outBuffer() const {
-            return mOutBuffer;
-        }
-
-        void incTrackCnt() { android_atomic_inc(&mTrackCnt); }
-        void decTrackCnt() { android_atomic_dec(&mTrackCnt); }
-        int32_t trackCnt() const { return android_atomic_acquire_load(&mTrackCnt); }
-
-        void incActiveTrackCnt() { android_atomic_inc(&mActiveTrackCnt);
-                                   mTailBufferCount = mMaxTailBuffers; }
-        void decActiveTrackCnt() { android_atomic_dec(&mActiveTrackCnt); }
-        int32_t activeTrackCnt() const { return android_atomic_acquire_load(&mActiveTrackCnt); }
-
-        uint32_t strategy() const { return mStrategy; }
-        void setStrategy(uint32_t strategy)
-                { mStrategy = strategy; }
-
-        // suspend effect of the given type
-        void setEffectSuspended_l(const effect_uuid_t *type,
-                                  bool suspend);
-        // suspend all eligible effects
-        void setEffectSuspendedAll_l(bool suspend);
-        // check if effects should be suspend or restored when a given effect is enable or disabled
-        void checkSuspendOnEffectEnabled(const sp<EffectModule>& effect,
-                                              bool enabled);
-
-        void clearInputBuffer();
-
-        void dump(int fd, const Vector<String16>& args);
-
-    protected:
-        friend class AudioFlinger;  // for mThread, mEffects
-        EffectChain(const EffectChain&);
-        EffectChain& operator =(const EffectChain&);
-
-        class SuspendedEffectDesc : public RefBase {
-        public:
-            SuspendedEffectDesc() : mRefCount(0) {}
-
-            int mRefCount;
-            effect_uuid_t mType;
-            wp<EffectModule> mEffect;
-        };
-
-        // get a list of effect modules to suspend when an effect of the type
-        // passed is enabled.
-        void                       getSuspendEligibleEffects(Vector< sp<EffectModule> > &effects);
-
-        // get an effect module if it is currently enable
-        sp<EffectModule> getEffectIfEnabled(const effect_uuid_t *type);
-        // true if the effect whose descriptor is passed can be suspended
-        // OEMs can modify the rules implemented in this method to exclude specific effect
-        // types or implementations from the suspend/restore mechanism.
-        bool isEffectEligibleForSuspend(const effect_descriptor_t& desc);
-
-        void clearInputBuffer_l(sp<ThreadBase> thread);
-
-        wp<ThreadBase> mThread;     // parent mixer thread
-        Mutex mLock;                // mutex protecting effect list
-        Vector< sp<EffectModule> > mEffects; // list of effect modules
-        int mSessionId;             // audio session ID
-        int16_t *mInBuffer;         // chain input buffer
-        int16_t *mOutBuffer;        // chain output buffer
-
-        // 'volatile' here means these are accessed with atomic operations instead of mutex
-        volatile int32_t mActiveTrackCnt;    // number of active tracks connected
-        volatile int32_t mTrackCnt;          // number of tracks connected
-
-        int32_t mTailBufferCount;   // current effect tail buffer count
-        int32_t mMaxTailBuffers;    // maximum effect tail buffers
-        bool mOwnInBuffer;          // true if the chain owns its input buffer
-        int mVolumeCtrlIdx;         // index of insert effect having control over volume
-        uint32_t mLeftVolume;       // previous volume on left channel
-        uint32_t mRightVolume;      // previous volume on right channel
-        uint32_t mNewLeftVolume;       // new volume on left channel
-        uint32_t mNewRightVolume;      // new volume on right channel
-        uint32_t mStrategy; // strategy for this effect chain
-        // mSuspendedEffects lists all effects currently suspended in the chain.
-        // Use effect type UUID timelow field as key. There is no real risk of identical
-        // timeLow fields among effect type UUIDs.
-        // Updated by updateSuspendedSessions_l() only.
-        KeyedVector< int, sp<SuspendedEffectDesc> > mSuspendedEffects;
-    };
-
     class AudioHwDevice {
     public:
         enum Flags {
@@ -2108,6 +589,7 @@
     static void dumpTee(int fd, const sp<NBAIO_Source>& source, audio_io_handle_t id = 0);
 };
 
+#undef INCLUDING_FROM_AUDIOFLINGER_H
 
 // ----------------------------------------------------------------------------