move native services under services/
moved surfaceflinger, audioflinger, cameraservice
all native services should now reside in this location.
Change-Id: Iee42b83dd2a94c3bf5107ab0895fe2dfcd5337a8
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
new file mode 100644
index 0000000..507c9ac
--- /dev/null
+++ b/services/audioflinger/AudioFlinger.h
@@ -0,0 +1,1148 @@
+/* //device/include/server/AudioFlinger/AudioFlinger.h
+**
+** Copyright 2007, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#ifndef ANDROID_AUDIO_FLINGER_H
+#define ANDROID_AUDIO_FLINGER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <limits.h>
+
+#include <media/IAudioFlinger.h>
+#include <media/IAudioFlingerClient.h>
+#include <media/IAudioTrack.h>
+#include <media/IAudioRecord.h>
+#include <media/AudioTrack.h>
+
+#include <utils/Atomic.h>
+#include <utils/Errors.h>
+#include <utils/threads.h>
+#include <binder/MemoryDealer.h>
+#include <utils/SortedVector.h>
+#include <utils/Vector.h>
+
+#include <hardware_legacy/AudioHardwareInterface.h>
+
+#include "AudioBufferProvider.h"
+
+namespace android {
+
+class audio_track_cblk_t;
+class effect_param_cblk_t;
+class AudioMixer;
+class AudioBuffer;
+class AudioResampler;
+
+
+// ----------------------------------------------------------------------------
+
+#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
+#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
+
+
+// ----------------------------------------------------------------------------
+
+static const nsecs_t kStandbyTimeInNsecs = seconds(3);
+
+class AudioFlinger : public BnAudioFlinger
+{
+public:
+ static void instantiate();
+
+ virtual status_t dump(int fd, const Vector<String16>& args);
+
+ // IAudioFlinger interface
+ virtual sp<IAudioTrack> createTrack(
+ pid_t pid,
+ int streamType,
+ uint32_t sampleRate,
+ int format,
+ int channelCount,
+ int frameCount,
+ uint32_t flags,
+ const sp<IMemory>& sharedBuffer,
+ int output,
+ int *sessionId,
+ status_t *status);
+
+ 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);
+
+ virtual float masterVolume() const;
+ virtual bool masterMute() const;
+
+ virtual status_t setStreamVolume(int stream, float value, int output);
+ virtual status_t setStreamMute(int stream, bool muted);
+
+ virtual float streamVolume(int stream, int output) const;
+ virtual bool streamMute(int stream) const;
+
+ virtual status_t setMode(int mode);
+
+ virtual status_t setMicMute(bool state);
+ virtual bool getMicMute() const;
+
+ virtual bool isStreamActive(int stream) const;
+
+ 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 unsigned int getInputFramesLost(int ioHandle);
+
+ virtual int openOutput(uint32_t *pDevices,
+ uint32_t *pSamplingRate,
+ uint32_t *pFormat,
+ uint32_t *pChannels,
+ uint32_t *pLatencyMs,
+ uint32_t flags);
+
+ virtual int openDuplicateOutput(int output1, int output2);
+
+ virtual status_t closeOutput(int output);
+
+ virtual status_t suspendOutput(int output);
+
+ virtual status_t restoreOutput(int output);
+
+ virtual int openInput(uint32_t *pDevices,
+ uint32_t *pSamplingRate,
+ uint32_t *pFormat,
+ uint32_t *pChannels,
+ uint32_t acoustics);
+
+ virtual status_t closeInput(int input);
+
+ virtual status_t setStreamOutput(uint32_t stream, int output);
+
+ virtual status_t setVoiceVolume(float volume);
+
+ virtual status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int output);
+
+ virtual int newAudioSessionId();
+
+ virtual status_t loadEffectLibrary(const char *libPath, int *handle);
+
+ virtual status_t unloadEffectLibrary(int handle);
+
+ virtual status_t queryNumberEffects(uint32_t *numEffects);
+
+ virtual status_t queryEffect(uint32_t index, effect_descriptor_t *descriptor);
+
+ virtual status_t getEffectDescriptor(effect_uuid_t *pUuid, effect_descriptor_t *descriptor);
+
+ virtual sp<IEffect> createEffect(pid_t pid,
+ effect_descriptor_t *pDesc,
+ const sp<IEffectClient>& effectClient,
+ int32_t priority,
+ int output,
+ int sessionId,
+ status_t *status,
+ int *id,
+ int *enabled);
+
+ status_t registerEffectResource_l(effect_descriptor_t *desc);
+ void unregisterEffectResource_l(effect_descriptor_t *desc);
+
+ enum hardware_call_state {
+ AUDIO_HW_IDLE = 0,
+ AUDIO_HW_INIT,
+ AUDIO_HW_OUTPUT_OPEN,
+ AUDIO_HW_OUTPUT_CLOSE,
+ AUDIO_HW_INPUT_OPEN,
+ AUDIO_HW_INPUT_CLOSE,
+ AUDIO_HW_STANDBY,
+ AUDIO_HW_SET_MASTER_VOLUME,
+ AUDIO_HW_GET_ROUTING,
+ AUDIO_HW_SET_ROUTING,
+ AUDIO_HW_GET_MODE,
+ AUDIO_HW_SET_MODE,
+ AUDIO_HW_GET_MIC_MUTE,
+ AUDIO_HW_SET_MIC_MUTE,
+ AUDIO_SET_VOICE_VOLUME,
+ AUDIO_SET_PARAMETER,
+ };
+
+ // record interface
+ virtual sp<IAudioRecord> openRecord(
+ pid_t pid,
+ int input,
+ uint32_t sampleRate,
+ int format,
+ int channelCount,
+ int frameCount,
+ uint32_t flags,
+ int *sessionId,
+ status_t *status);
+
+ virtual status_t onTransact(
+ uint32_t code,
+ const Parcel& data,
+ Parcel* reply,
+ uint32_t flags);
+
+ uint32_t getMode() { return mMode; }
+
+private:
+ AudioFlinger();
+ virtual ~AudioFlinger();
+
+
+ // Internal dump utilites.
+ status_t dumpPermissionDenial(int fd, const Vector<String16>& args);
+ status_t dumpClients(int fd, const Vector<String16>& args);
+ status_t dumpInternals(int fd, const Vector<String16>& args);
+
+ // --- Client ---
+ class Client : public RefBase {
+ public:
+ Client(const sp<AudioFlinger>& audioFlinger, pid_t pid);
+ virtual ~Client();
+ const sp<MemoryDealer>& heap() const;
+ pid_t pid() const { return mPid; }
+ sp<AudioFlinger> audioFlinger() { return mAudioFlinger; }
+
+ private:
+ Client(const Client&);
+ Client& operator = (const Client&);
+ sp<AudioFlinger> mAudioFlinger;
+ sp<MemoryDealer> mMemoryDealer;
+ pid_t mPid;
+ };
+
+ // --- Notification Client ---
+ class NotificationClient : public IBinder::DeathRecipient {
+ public:
+ NotificationClient(const sp<AudioFlinger>& audioFlinger,
+ const sp<IAudioFlingerClient>& client,
+ pid_t pid);
+ virtual ~NotificationClient();
+
+ sp<IAudioFlingerClient> client() { return mClient; }
+
+ // IBinder::DeathRecipient
+ virtual void binderDied(const wp<IBinder>& who);
+
+ private:
+ NotificationClient(const NotificationClient&);
+ NotificationClient& operator = (const NotificationClient&);
+
+ sp<AudioFlinger> mAudioFlinger;
+ pid_t mPid;
+ sp<IAudioFlingerClient> mClient;
+ };
+
+ class TrackHandle;
+ class RecordHandle;
+ class RecordThread;
+ class PlaybackThread;
+ class MixerThread;
+ class DirectOutputThread;
+ class DuplicatingThread;
+ class Track;
+ class RecordTrack;
+ class EffectModule;
+ class EffectHandle;
+ class EffectChain;
+
+ class ThreadBase : public Thread {
+ public:
+ ThreadBase (const sp<AudioFlinger>& audioFlinger, int id);
+ virtual ~ThreadBase();
+
+ status_t dumpBase(int fd, const Vector<String16>& args);
+
+ // base for record and playback
+ class TrackBase : public AudioBufferProvider, public RefBase {
+
+ public:
+ enum track_state {
+ IDLE,
+ TERMINATED,
+ STOPPED,
+ RESUMING,
+ ACTIVE,
+ PAUSING,
+ PAUSED
+ };
+
+ enum track_flags {
+ STEPSERVER_FAILED = 0x01, // StepServer could not acquire cblk->lock mutex
+ SYSTEM_FLAGS_MASK = 0x0000ffffUL,
+ // The upper 16 bits are used for track-specific flags.
+ };
+
+ TrackBase(const wp<ThreadBase>& thread,
+ const sp<Client>& client,
+ uint32_t sampleRate,
+ int format,
+ int channelCount,
+ int frameCount,
+ uint32_t flags,
+ const sp<IMemory>& sharedBuffer,
+ int sessionId);
+ ~TrackBase();
+
+ virtual status_t start() = 0;
+ virtual void stop() = 0;
+ sp<IMemory> getCblk() const;
+ audio_track_cblk_t* cblk() const { return mCblk; }
+ int sessionId() { return mSessionId; }
+
+ protected:
+ friend class ThreadBase;
+ friend class RecordHandle;
+ friend class PlaybackThread;
+ friend class RecordThread;
+ friend class MixerThread;
+ friend class DirectOutputThread;
+
+ TrackBase(const TrackBase&);
+ TrackBase& operator = (const TrackBase&);
+
+ virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer) = 0;
+ virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer);
+
+ int format() const {
+ return mFormat;
+ }
+
+ int channelCount() const ;
+
+ int sampleRate() const;
+
+ void* getBuffer(uint32_t offset, uint32_t frames) const;
+
+ bool isStopped() const {
+ return mState == STOPPED;
+ }
+
+ bool isTerminated() const {
+ return mState == TERMINATED;
+ }
+
+ bool step();
+ void reset();
+
+ wp<ThreadBase> mThread;
+ sp<Client> mClient;
+ sp<IMemory> mCblkMemory;
+ audio_track_cblk_t* mCblk;
+ void* mBuffer;
+ void* mBufferEnd;
+ uint32_t mFrameCount;
+ // we don't really need a lock for these
+ int mState;
+ int mClientTid;
+ uint8_t mFormat;
+ uint32_t mFlags;
+ int mSessionId;
+ };
+
+ class ConfigEvent {
+ public:
+ ConfigEvent() : mEvent(0), mParam(0) {}
+
+ int mEvent;
+ int mParam;
+ };
+
+ uint32_t sampleRate() const;
+ int channelCount() const;
+ int format() const;
+ size_t frameCount() const;
+ void wakeUp() { mWaitWorkCV.broadcast(); }
+ 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 sendConfigEvent(int event, int param = 0);
+ void sendConfigEvent_l(int event, int param = 0);
+ void processConfigEvents();
+ int id() const { return mId;}
+ bool standby() { return mStandby; }
+
+ mutable Mutex mLock;
+
+ protected:
+
+ friend class Track;
+ friend class TrackBase;
+ friend class PlaybackThread;
+ friend class MixerThread;
+ friend class DirectOutputThread;
+ friend class DuplicatingThread;
+ friend class RecordThread;
+ friend class RecordTrack;
+
+ Condition mWaitWorkCV;
+ sp<AudioFlinger> mAudioFlinger;
+ uint32_t mSampleRate;
+ size_t mFrameCount;
+ uint32_t mChannels;
+ uint16_t mChannelCount;
+ uint16_t mFrameSize;
+ int mFormat;
+ Condition mParamCond;
+ Vector<String8> mNewParameters;
+ status_t mParamStatus;
+ Vector<ConfigEvent *> mConfigEvents;
+ bool mStandby;
+ int mId;
+ bool mExiting;
+ };
+
+ // --- PlaybackThread ---
+ class PlaybackThread : public ThreadBase {
+ public:
+
+ enum type {
+ MIXER,
+ DIRECT,
+ DUPLICATING
+ };
+
+ enum mixer_state {
+ MIXER_IDLE,
+ MIXER_TRACKS_ENABLED,
+ MIXER_TRACKS_READY
+ };
+
+ // playback track
+ class Track : public TrackBase {
+ public:
+ Track( const wp<ThreadBase>& thread,
+ const sp<Client>& client,
+ int streamType,
+ uint32_t sampleRate,
+ int format,
+ int channelCount,
+ int frameCount,
+ const sp<IMemory>& sharedBuffer,
+ int sessionId);
+ ~Track();
+
+ void dump(char* buffer, size_t size);
+ virtual status_t start();
+ virtual void stop();
+ void pause();
+
+ void flush();
+ void destroy();
+ void mute(bool);
+ void setVolume(float left, float right);
+ int name() const {
+ return mName;
+ }
+
+ int type() const {
+ return mStreamType;
+ }
+ status_t attachAuxEffect(int EffectId);
+ void setAuxBuffer(int EffectId, int32_t *buffer);
+ int32_t *auxBuffer() { return mAuxBuffer; }
+ void setMainBuffer(int16_t *buffer) { mMainBuffer = buffer; }
+ int16_t *mainBuffer() { return mMainBuffer; }
+ int auxEffectId() { return mAuxEffectId; }
+
+
+ protected:
+ friend class ThreadBase;
+ friend class AudioFlinger;
+ friend class TrackHandle;
+ friend class PlaybackThread;
+ friend class MixerThread;
+ friend class DirectOutputThread;
+
+ Track(const Track&);
+ Track& operator = (const Track&);
+
+ virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer);
+ bool isMuted() { return mMute; }
+ bool isPausing() const {
+ return mState == PAUSING;
+ }
+ bool isPaused() const {
+ return mState == PAUSED;
+ }
+ bool isReady() const;
+ void setPaused() { mState = PAUSED; }
+ void reset();
+
+ bool isOutputTrack() const {
+ return (mStreamType == AudioSystem::NUM_STREAM_TYPES);
+ }
+
+ // we don't really need a lock for these
+ float mVolume[2];
+ volatile bool mMute;
+ // FILLED state is used for suppressing volume ramp at begin of playing
+ enum {FS_FILLING, FS_FILLED, FS_ACTIVE};
+ mutable uint8_t mFillingUpStatus;
+ int8_t mRetryCount;
+ sp<IMemory> mSharedBuffer;
+ bool mResetDone;
+ int mStreamType;
+ int mName;
+ int16_t *mMainBuffer;
+ int32_t *mAuxBuffer;
+ int mAuxEffectId;
+ }; // end of Track
+
+
+ // playback track
+ class OutputTrack : public Track {
+ public:
+
+ class Buffer: public AudioBufferProvider::Buffer {
+ public:
+ int16_t *mBuffer;
+ };
+
+ OutputTrack( const wp<ThreadBase>& thread,
+ DuplicatingThread *sourceThread,
+ uint32_t sampleRate,
+ int format,
+ int channelCount,
+ int frameCount);
+ ~OutputTrack();
+
+ virtual status_t start();
+ virtual void stop();
+ bool write(int16_t* data, uint32_t frames);
+ bool bufferQueueEmpty() { return (mBufferQueue.size() == 0) ? true : false; }
+ bool isActive() { return mActive; }
+ wp<ThreadBase>& thread() { return mThread; }
+
+ private:
+
+ 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* mSourceThread;
+ }; // end of OutputTrack
+
+ PlaybackThread (const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, int id, uint32_t device);
+ virtual ~PlaybackThread();
+
+ virtual status_t dump(int fd, const Vector<String16>& args);
+
+ // Thread virtuals
+ virtual status_t readyToRun();
+ virtual void onFirstRef();
+
+ virtual uint32_t latency() const;
+
+ virtual status_t setMasterVolume(float value);
+ virtual status_t setMasterMute(bool muted);
+
+ virtual float masterVolume() const;
+ virtual bool masterMute() const;
+
+ virtual status_t setStreamVolume(int stream, float value);
+ virtual status_t setStreamMute(int stream, bool muted);
+
+ virtual float streamVolume(int stream) const;
+ virtual bool streamMute(int stream) const;
+
+ bool isStreamActive(int stream) const;
+
+ sp<Track> createTrack_l(
+ const sp<AudioFlinger::Client>& client,
+ int streamType,
+ uint32_t sampleRate,
+ int format,
+ int channelCount,
+ int frameCount,
+ const sp<IMemory>& sharedBuffer,
+ int sessionId,
+ status_t *status);
+
+ AudioStreamOut* getOutput() { return mOutput; }
+
+ virtual int type() const { return mType; }
+ void suspend() { mSuspended++; }
+ void restore() { if (mSuspended) mSuspended--; }
+ bool isSuspended() { return (mSuspended != 0); }
+ virtual String8 getParameters(const String8& keys);
+ virtual void audioConfigChanged_l(int event, int param = 0);
+ virtual status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames);
+ int16_t *mixBuffer() { return mMixBuffer; };
+
+ 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,
+ const wp<EffectHandle>& handle);
+
+ bool hasAudioSession(int sessionId);
+ sp<EffectChain> getEffectChain(int sessionId);
+ sp<EffectChain> getEffectChain_l(int sessionId);
+ status_t addEffectChain_l(const sp<EffectChain>& chain);
+ size_t removeEffectChain_l(const sp<EffectChain>& chain);
+ void lockEffectChains_l();
+ void unlockEffectChains();
+
+ sp<AudioFlinger::EffectModule> getEffect_l(int sessionId, int effectId);
+ 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);
+ void setMode(uint32_t mode);
+
+ struct stream_type_t {
+ stream_type_t()
+ : volume(1.0f),
+ mute(false)
+ {
+ }
+ float volume;
+ bool mute;
+ };
+
+ protected:
+ int mType;
+ int16_t* mMixBuffer;
+ int mSuspended;
+ int mBytesWritten;
+ bool mMasterMute;
+ SortedVector< wp<Track> > mActiveTracks;
+
+ virtual int getTrackName_l() = 0;
+ virtual void deleteTrackName_l(int name) = 0;
+ virtual uint32_t activeSleepTimeUs() = 0;
+ virtual uint32_t idleSleepTimeUs() = 0;
+
+ private:
+
+ friend class AudioFlinger;
+ friend class OutputTrack;
+ friend class Track;
+ friend class TrackBase;
+ friend class MixerThread;
+ friend class DirectOutputThread;
+ friend class DuplicatingThread;
+
+ PlaybackThread(const Client&);
+ PlaybackThread& operator = (const PlaybackThread&);
+
+ status_t addTrack_l(const sp<Track>& track);
+ void destroyTrack_l(const sp<Track>& track);
+
+ void readOutputParameters();
+
+ uint32_t device() { return mDevice; }
+
+ virtual status_t dumpInternals(int fd, const Vector<String16>& args);
+ status_t dumpTracks(int fd, const Vector<String16>& args);
+ status_t dumpEffectChains(int fd, const Vector<String16>& args);
+
+ SortedVector< sp<Track> > mTracks;
+ // mStreamTypes[] uses 1 additionnal stream type internally for the OutputTrack used by DuplicatingThread
+ stream_type_t mStreamTypes[AudioSystem::NUM_STREAM_TYPES + 1];
+ AudioStreamOut* mOutput;
+ float mMasterVolume;
+ nsecs_t mLastWriteTime;
+ int mNumWrites;
+ int mNumDelayedWrites;
+ bool mInWrite;
+ Vector< sp<EffectChain> > mEffectChains;
+ uint32_t mDevice;
+ };
+
+ class MixerThread : public PlaybackThread {
+ public:
+ MixerThread (const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, int id, uint32_t device);
+ virtual ~MixerThread();
+
+ // Thread virtuals
+ virtual bool threadLoop();
+
+ void invalidateTracks(int streamType);
+ virtual bool checkForNewParameters_l();
+ virtual status_t dumpInternals(int fd, const Vector<String16>& args);
+
+ protected:
+ uint32_t prepareTracks_l(const SortedVector< wp<Track> >& activeTracks, Vector< sp<Track> > *tracksToRemove);
+ virtual int getTrackName_l();
+ virtual void deleteTrackName_l(int name);
+ virtual uint32_t activeSleepTimeUs();
+ virtual uint32_t idleSleepTimeUs();
+
+ AudioMixer* mAudioMixer;
+ };
+
+ class DirectOutputThread : public PlaybackThread {
+ public:
+
+ DirectOutputThread (const sp<AudioFlinger>& audioFlinger, AudioStreamOut* output, int id, uint32_t device);
+ ~DirectOutputThread();
+
+ // Thread virtuals
+ virtual bool threadLoop();
+
+ virtual bool checkForNewParameters_l();
+
+ protected:
+ virtual int getTrackName_l();
+ virtual void deleteTrackName_l(int name);
+ virtual uint32_t activeSleepTimeUs();
+ virtual uint32_t idleSleepTimeUs();
+
+ private:
+ void applyVolume(uint16_t leftVol, uint16_t rightVol, bool ramp);
+
+ float mLeftVolFloat;
+ float mRightVolFloat;
+ uint16_t mLeftVolShort;
+ uint16_t mRightVolShort;
+ };
+
+ class DuplicatingThread : public MixerThread {
+ public:
+ DuplicatingThread (const sp<AudioFlinger>& audioFlinger, MixerThread* mainThread, int id);
+ ~DuplicatingThread();
+
+ // Thread virtuals
+ virtual bool threadLoop();
+ void addOutputTrack(MixerThread* thread);
+ void removeOutputTrack(MixerThread* thread);
+ uint32_t waitTimeMs() { return mWaitTimeMs; }
+ protected:
+ virtual uint32_t activeSleepTimeUs();
+
+ private:
+ bool outputsReady(SortedVector< sp<OutputTrack> > &outputTracks);
+ void updateWaitTime();
+
+ SortedVector < sp<OutputTrack> > mOutputTracks;
+ uint32_t mWaitTimeMs;
+ };
+
+ 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_l(int event, int ioHandle, void *param2);
+
+ int nextUniqueId();
+
+ friend class AudioBuffer;
+
+ class TrackHandle : public android::BnAudioTrack {
+ public:
+ TrackHandle(const sp<PlaybackThread::Track>& track);
+ virtual ~TrackHandle();
+ virtual status_t start();
+ virtual void stop();
+ virtual void flush();
+ virtual void mute(bool);
+ virtual void pause();
+ virtual void setVolume(float left, float right);
+ virtual sp<IMemory> getCblk() const;
+ virtual status_t attachAuxEffect(int effectId);
+ virtual status_t onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
+ private:
+ sp<PlaybackThread::Track> mTrack;
+ };
+
+ friend class Client;
+ friend class PlaybackThread::Track;
+
+
+ void removeClient_l(pid_t pid);
+ void removeNotificationClient(pid_t pid);
+
+
+ // record thread
+ class RecordThread : public ThreadBase, public AudioBufferProvider
+ {
+ public:
+
+ // record track
+ class RecordTrack : public TrackBase {
+ public:
+ RecordTrack(const wp<ThreadBase>& thread,
+ const sp<Client>& client,
+ uint32_t sampleRate,
+ int format,
+ int channelCount,
+ int frameCount,
+ uint32_t flags,
+ int sessionId);
+ ~RecordTrack();
+
+ virtual status_t start();
+ virtual void stop();
+
+ bool overflow() { bool tmp = mOverflow; mOverflow = false; return tmp; }
+ bool setOverflow() { bool tmp = mOverflow; mOverflow = true; return tmp; }
+
+ void dump(char* buffer, size_t size);
+ private:
+ friend class AudioFlinger;
+ friend class RecordThread;
+
+ RecordTrack(const RecordTrack&);
+ RecordTrack& operator = (const RecordTrack&);
+
+ virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer);
+
+ bool mOverflow;
+ };
+
+
+ RecordThread(const sp<AudioFlinger>& audioFlinger,
+ AudioStreamIn *input,
+ uint32_t sampleRate,
+ uint32_t channels,
+ int id);
+ ~RecordThread();
+
+ virtual bool threadLoop();
+ virtual status_t readyToRun() { return NO_ERROR; }
+ virtual void onFirstRef();
+
+ status_t start(RecordTrack* recordTrack);
+ void stop(RecordTrack* recordTrack);
+ status_t dump(int fd, const Vector<String16>& args);
+ AudioStreamIn* getInput() { return mInput; }
+
+ virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer);
+ 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();
+
+ private:
+ RecordThread();
+ AudioStreamIn *mInput;
+ sp<RecordTrack> mActiveTrack;
+ Condition mStartStopCond;
+ AudioResampler *mResampler;
+ int32_t *mRsmpOutBuffer;
+ int16_t *mRsmpInBuffer;
+ size_t mRsmpInIndex;
+ size_t mInputBytes;
+ int mReqChannelCount;
+ uint32_t mReqSampleRate;
+ ssize_t mBytesRead;
+ };
+
+ class RecordHandle : public android::BnAudioRecord {
+ public:
+ RecordHandle(const sp<RecordThread::RecordTrack>& recordTrack);
+ virtual ~RecordHandle();
+ virtual status_t start();
+ virtual void stop();
+ virtual sp<IMemory> getCblk() const;
+ virtual status_t onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
+ private:
+ sp<RecordThread::RecordTrack> mRecordTrack;
+ };
+
+ //--- 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(const wp<ThreadBase>& wThread,
+ const wp<AudioFlinger::EffectChain>& chain,
+ effect_descriptor_t *desc,
+ int id,
+ int sessionId);
+ ~EffectModule();
+
+ enum effect_state {
+ IDLE,
+ RESTART,
+ STARTING,
+ ACTIVE,
+ STOPPING,
+ STOPPED
+ };
+
+ int id() { return mId; }
+ void process();
+ void updateState();
+ status_t command(int cmdCode, int cmdSize, void *pCmdData, int *replySize, void *pReplyData);
+
+ void reset_l();
+ status_t configure();
+ status_t init();
+ uint32_t state() {
+ return mState;
+ }
+ uint32_t status() {
+ return mStatus;
+ }
+ status_t setEnabled(bool enabled);
+ bool isEnabled();
+
+ 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; }
+
+ status_t addHandle(sp<EffectHandle>& handle);
+ void disconnect(const wp<EffectHandle>& handle);
+ size_t removeHandle (const wp<EffectHandle>& handle);
+
+ effect_descriptor_t& desc() { return mDescriptor; }
+ wp<EffectChain>& chain() { return mChain; }
+
+ status_t setDevice(uint32_t device);
+ status_t setVolume(uint32_t *left, uint32_t *right, bool controller);
+ status_t setMode(uint32_t mode);
+
+ status_t dump(int fd, const Vector<String16>& args);
+
+ protected:
+
+ // 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();
+
+ // update this table when AudioSystem::audio_devices or audio_device_e (in EffectApi.h) are modified
+ static const uint32_t sDeviceConvTable[];
+ static uint32_t deviceAudioSystemToEffectApi(uint32_t device);
+
+ // update this table when AudioSystem::audio_mode or audio_mode_e (in EffectApi.h) are modified
+ static const uint32_t sModeConvTable[];
+ static int modeAudioSystemToEffectApi(uint32_t mode);
+
+ Mutex mLock; // mutex for process, commands and handles list protection
+ wp<ThreadBase> mThread; // parent thread
+ wp<EffectChain> mChain; // parent effect chain
+ int mId; // this instance unique ID
+ int mSessionId; // audio session ID
+ effect_descriptor_t mDescriptor;// effect descriptor received from effect engine
+ effect_config_t mConfig; // input and output audio configuration
+ effect_interface_t mEffectInterface; // Effect module C API
+ status_t mStatus; // initialization status
+ uint32_t mState; // current activation state (effect_state)
+ Vector< wp<EffectHandle> > mHandles; // list of client handles
+ 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.
+ };
+
+ // 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(int cmdCode, int cmdSize, void *pCmdData, int *replySize, void *pReplyData);
+ virtual void disconnect();
+ virtual sp<IMemory> getCblk() const;
+ virtual status_t onTransact(uint32_t code, const Parcel& data,
+ Parcel* reply, uint32_t flags);
+
+
+ // Give or take control of effect module
+ void setControl(bool hasControl, bool signal);
+ void commandExecuted(int cmdCode, int cmdSize, void *pCmdData, int replySize, void *pReplyData);
+ void setEnabled(bool enabled);
+
+ // Getters
+ int id() { return mEffect->id(); }
+ int priority() { return mPriority; }
+ bool hasControl() { return mHasControl; }
+ sp<EffectModule> effect() { return mEffect; }
+
+ void dump(char* buffer, size_t size);
+
+ protected:
+
+ EffectHandle(const EffectHandle&);
+ EffectHandle& operator =(const EffectHandle&);
+
+ sp<EffectModule> mEffect; // pointer to controlled EffectModule
+ sp<IEffectClient> mEffectClient; // callback interface for client notifications
+ sp<Client> mClient; // client for shared memory allocation
+ 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
+ };
+
+ // 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();
+
+ void process_l();
+
+ void lock() {
+ mLock.lock();
+ }
+ void unlock() {
+ mLock.unlock();
+ }
+
+ status_t addEffect(sp<EffectModule>& handle);
+ size_t removeEffect(const sp<EffectModule>& handle);
+
+ int sessionId() {
+ return mSessionId;
+ }
+ sp<EffectModule> getEffectFromDesc(effect_descriptor_t *descriptor);
+ sp<EffectModule> getEffectFromId(int id);
+ sp<EffectModule> getVolumeController();
+ bool setVolume(uint32_t *left, uint32_t *right);
+ void setDevice(uint32_t device);
+ void setMode(uint32_t mode);
+
+
+ void setInBuffer(int16_t *buffer, bool ownsBuffer = false) {
+ mInBuffer = buffer;
+ mOwnInBuffer = ownsBuffer;
+ }
+ int16_t *inBuffer() {
+ return mInBuffer;
+ }
+ void setOutBuffer(int16_t *buffer) {
+ mOutBuffer = buffer;
+ }
+ int16_t *outBuffer() {
+ return mOutBuffer;
+ }
+
+ void startTrack() {mActiveTrackCnt++;}
+ void stopTrack() {mActiveTrackCnt--;}
+ int activeTracks() { return mActiveTrackCnt;}
+
+ status_t dump(int fd, const Vector<String16>& args);
+
+ protected:
+
+ EffectChain(const EffectChain&);
+ EffectChain& operator =(const EffectChain&);
+
+ 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
+ int mVolumeCtrlIdx; // index of insert effect having control over volume
+ int mActiveTrackCnt; // number of active tracks connected
+ bool mOwnInBuffer; // true if the chain owns its input buffer
+ };
+
+ friend class RecordThread;
+ friend class PlaybackThread;
+
+
+ mutable Mutex mLock;
+
+ DefaultKeyedVector< pid_t, wp<Client> > mClients;
+
+ mutable Mutex mHardwareLock;
+ AudioHardwareInterface* mAudioHardware;
+ mutable int mHardwareStatus;
+
+
+ DefaultKeyedVector< int, sp<PlaybackThread> > mPlaybackThreads;
+ PlaybackThread::stream_type_t mStreamTypes[AudioSystem::NUM_STREAM_TYPES];
+ float mMasterVolume;
+ bool mMasterMute;
+
+ DefaultKeyedVector< int, sp<RecordThread> > mRecordThreads;
+
+ DefaultKeyedVector< pid_t, sp<NotificationClient> > mNotificationClients;
+ volatile int32_t mNextUniqueId;
+#ifdef LVMX
+ int mLifeVibesClientPid;
+#endif
+ uint32_t mMode;
+
+ // Maximum CPU load allocated to audio effects in 0.1 MIPS (ARMv5TE, 0 WS memory) units
+ static const uint32_t MAX_EFFECTS_CPU_LOAD = 1000;
+ // Maximum memory allocated to audio effects in KB
+ static const uint32_t MAX_EFFECTS_MEMORY = 512;
+ uint32_t mTotalEffectsCpuLoad; // current CPU load used by effects
+ uint32_t mTotalEffectsMemory; // current memory used by effects
+};
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_AUDIO_FLINGER_H