| /* |
| ** |
| ** 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. |
| */ |
| |
| #pragma once |
| |
| // Classes and interfaces directly used. |
| #include "Client.h" |
| #include "DeviceEffectManager.h" |
| #include "EffectConfiguration.h" |
| #include "IAfEffect.h" |
| #include "IAfPatchPanel.h" |
| #include "IAfThread.h" |
| #include "IAfTrack.h" |
| #include "MelReporter.h" |
| #include "PatchCommandThread.h" |
| |
| // External classes |
| #include <audio_utils/mutex.h> |
| #include <audio_utils/FdToString.h> |
| #include <audio_utils/SimpleLog.h> |
| #include <media/IAudioFlinger.h> |
| #include <media/MediaMetricsItem.h> |
| #include <media/audiohal/DevicesFactoryHalInterface.h> |
| #include <mediautils/ServiceUtilities.h> |
| #include <mediautils/Synchronization.h> |
| |
| // not needed with the includes above, added to prevent transitive include dependency. |
| #include <utils/KeyedVector.h> |
| #include <utils/String16.h> |
| #include <atomic> |
| #include <functional> |
| #include <map> |
| #include <optional> |
| #include <set> |
| |
| namespace android { |
| |
| class AudioFlinger |
| : public AudioFlingerServerAdapter::Delegate // IAudioFlinger client interface |
| , public IAfClientCallback |
| , public IAfDeviceEffectManagerCallback |
| , public IAfMelReporterCallback |
| , public IAfPatchPanelCallback |
| , public IAfThreadCallback |
| { |
| friend class sp<AudioFlinger>; |
| public: |
| static void instantiate() ANDROID_API; |
| |
| private: |
| |
| // ---- begin IAudioFlinger interface |
| |
| status_t dump(int fd, const Vector<String16>& args) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t createTrack(const media::CreateTrackRequest& input, |
| media::CreateTrackResponse& output) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t createRecord(const media::CreateRecordRequest& input, |
| media::CreateRecordResponse& output) final EXCLUDES_AudioFlinger_Mutex; |
| |
| uint32_t sampleRate(audio_io_handle_t ioHandle) const final EXCLUDES_AudioFlinger_Mutex; |
| audio_format_t format(audio_io_handle_t output) const final EXCLUDES_AudioFlinger_Mutex; |
| size_t frameCount(audio_io_handle_t ioHandle) const final EXCLUDES_AudioFlinger_Mutex; |
| size_t frameCountHAL(audio_io_handle_t ioHandle) const final EXCLUDES_AudioFlinger_Mutex; |
| uint32_t latency(audio_io_handle_t output) const final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setMasterVolume(float value) final EXCLUDES_AudioFlinger_Mutex; |
| status_t setMasterMute(bool muted) final EXCLUDES_AudioFlinger_Mutex; |
| float masterVolume() const final EXCLUDES_AudioFlinger_Mutex; |
| bool masterMute() const final EXCLUDES_AudioFlinger_Mutex; |
| |
| // Balance value must be within -1.f (left only) to 1.f (right only) inclusive. |
| status_t setMasterBalance(float balance) final EXCLUDES_AudioFlinger_Mutex; |
| status_t getMasterBalance(float* balance) const final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setStreamVolume(audio_stream_type_t stream, float value, |
| audio_io_handle_t output) final EXCLUDES_AudioFlinger_Mutex; |
| status_t setStreamMute(audio_stream_type_t stream, bool muted) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| float streamVolume(audio_stream_type_t stream, |
| audio_io_handle_t output) const final EXCLUDES_AudioFlinger_Mutex; |
| bool streamMute(audio_stream_type_t stream) const final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setMode(audio_mode_t mode) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setMicMute(bool state) final EXCLUDES_AudioFlinger_Mutex; |
| bool getMicMute() const final EXCLUDES_AudioFlinger_Mutex; |
| |
| void setRecordSilenced(audio_port_handle_t portId, bool silenced) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) final |
| EXCLUDES_AudioFlinger_Mutex; |
| String8 getParameters(audio_io_handle_t ioHandle, const String8& keys) const final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| void registerClient(const sp<media::IAudioFlingerClient>& client) final |
| EXCLUDES_AudioFlinger_Mutex; |
| size_t getInputBufferSize(uint32_t sampleRate, audio_format_t format, |
| audio_channel_mask_t channelMask) const final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t openOutput(const media::OpenOutputRequest& request, |
| media::OpenOutputResponse* response) final EXCLUDES_AudioFlinger_Mutex; |
| |
| audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1, |
| audio_io_handle_t output2) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t closeOutput(audio_io_handle_t output) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t suspendOutput(audio_io_handle_t output) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t restoreOutput(audio_io_handle_t output) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t openInput(const media::OpenInputRequest& request, |
| media::OpenInputResponse* response) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t closeInput(audio_io_handle_t input) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setVoiceVolume(float volume) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t getRenderPosition(uint32_t* halFrames, uint32_t* dspFrames, |
| audio_io_handle_t output) const final EXCLUDES_AudioFlinger_Mutex; |
| |
| uint32_t getInputFramesLost(audio_io_handle_t ioHandle) const final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| // This is the binder API. For the internal API see nextUniqueId(). |
| audio_unique_id_t newAudioUniqueId(audio_unique_id_use_t use) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| void acquireAudioSessionId(audio_session_t audioSession, pid_t pid, uid_t uid) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| void releaseAudioSessionId(audio_session_t audioSession, pid_t pid) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t queryNumberEffects(uint32_t* numEffects) const final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t queryEffect(uint32_t index, effect_descriptor_t* descriptor) const final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t getEffectDescriptor(const effect_uuid_t* pUuid, |
| const effect_uuid_t* pTypeUuid, |
| uint32_t preferredTypeFlag, |
| effect_descriptor_t* descriptor) const final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t createEffect(const media::CreateEffectRequest& request, |
| media::CreateEffectResponse* response) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t moveEffects(audio_session_t sessionId, audio_io_handle_t srcOutput, |
| audio_io_handle_t dstOutput) final EXCLUDES_AudioFlinger_Mutex; |
| |
| void setEffectSuspended(int effectId, |
| audio_session_t sessionId, |
| bool suspended) final EXCLUDES_AudioFlinger_Mutex; |
| |
| audio_module_handle_t loadHwModule(const char* name) final EXCLUDES_AudioFlinger_Mutex; |
| |
| uint32_t getPrimaryOutputSamplingRate() const final EXCLUDES_AudioFlinger_Mutex; |
| size_t getPrimaryOutputFrameCount() const final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setLowRamDevice(bool isLowRamDevice, int64_t totalMemory) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| /* Get attributes for a given audio port */ |
| status_t getAudioPort(struct audio_port_v7* port) const final EXCLUDES_AudioFlinger_Mutex; |
| |
| /* Create an audio patch between several source and sink ports */ |
| status_t createAudioPatch(const struct audio_patch *patch, |
| audio_patch_handle_t* handle) final EXCLUDES_AudioFlinger_Mutex; |
| |
| /* Release an audio patch */ |
| status_t releaseAudioPatch(audio_patch_handle_t handle) final EXCLUDES_AudioFlinger_Mutex; |
| |
| /* List existing audio patches */ |
| status_t listAudioPatches(unsigned int* num_patches, |
| struct audio_patch* patches) const final EXCLUDES_AudioFlinger_Mutex; |
| |
| /* Set audio port configuration */ |
| status_t setAudioPortConfig(const struct audio_port_config* config) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| /* Get the HW synchronization source used for an audio session */ |
| audio_hw_sync_t getAudioHwSyncForSession(audio_session_t sessionId) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| /* Indicate JAVA services are ready (scheduling, power management ...) */ |
| status_t systemReady() final EXCLUDES_AudioFlinger_Mutex; |
| status_t audioPolicyReady() final { mAudioPolicyReady.store(true); return NO_ERROR; } |
| |
| status_t getMicrophones(std::vector<media::MicrophoneInfoFw>* microphones) const final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setAudioHalPids(const std::vector<pid_t>& pids) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setVibratorInfos(const std::vector<media::AudioVibratorInfo>& vibratorInfos) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t updateSecondaryOutputs( |
| const TrackSecondaryOutputsMap& trackSecondaryOutputs) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t getMmapPolicyInfos( |
| media::audio::common::AudioMMapPolicyType policyType, |
| std::vector<media::audio::common::AudioMMapPolicyInfo>* policyInfos) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| int32_t getAAudioMixerBurstCount() const final EXCLUDES_AudioFlinger_Mutex; |
| |
| int32_t getAAudioHardwareBurstMinUsec() const final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setDeviceConnectedState(const struct audio_port_v7* port, |
| media::DeviceConnectedState state) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setSimulateDeviceConnections(bool enabled) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setRequestedLatencyMode( |
| audio_io_handle_t output, audio_latency_mode_t mode) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t getSupportedLatencyModes(audio_io_handle_t output, |
| std::vector<audio_latency_mode_t>* modes) const final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t setBluetoothVariableLatencyEnabled(bool enabled) final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t isBluetoothVariableLatencyEnabled(bool* enabled) const final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t supportsBluetoothVariableLatency(bool* support) const final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t getSoundDoseInterface(const sp<media::ISoundDoseCallback>& callback, |
| sp<media::ISoundDose>* soundDose) const final EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t invalidateTracks(const std::vector<audio_port_handle_t>& portIds) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t getAudioPolicyConfig(media::AudioPolicyConfig* config) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t onTransactWrapper(TransactionCode code, const Parcel& data, uint32_t flags, |
| const std::function<status_t()>& delegate) final EXCLUDES_AudioFlinger_Mutex; |
| |
| // ---- end of IAudioFlinger interface |
| |
| // ---- begin IAfClientCallback interface |
| |
| audio_utils::mutex& clientMutex() const final |
| RETURN_CAPABILITY(audio_utils::AudioFlinger_ClientMutex) { |
| return mClientMutex; |
| } |
| void removeClient_l(pid_t pid) REQUIRES(clientMutex()) final; |
| void removeNotificationClient(pid_t pid) final EXCLUDES_AudioFlinger_Mutex; |
| status_t moveAuxEffectToIo( |
| int effectId, |
| const sp<IAfPlaybackThread>& dstThread, |
| sp<IAfPlaybackThread>* srcThread) final EXCLUDES_AudioFlinger_Mutex; |
| |
| // ---- end of IAfClientCallback interface |
| |
| // ---- begin IAfDeviceEffectManagerCallback interface |
| |
| // also used by IAfThreadCallback |
| bool isAudioPolicyReady() const final { return mAudioPolicyReady.load(); } |
| // below also used by IAfMelReporterCallback, IAfPatchPanelCallback |
| const sp<PatchCommandThread>& getPatchCommandThread() final { return mPatchCommandThread; } |
| status_t addEffectToHal( |
| const struct audio_port_config* device, const sp<EffectHalInterface>& effect) final |
| EXCLUDES_AudioFlinger_HardwareMutex; |
| status_t removeEffectFromHal( |
| const struct audio_port_config* device, const sp<EffectHalInterface>& effect) final |
| EXCLUDES_AudioFlinger_HardwareMutex; |
| |
| // ---- end of IAfDeviceEffectManagerCallback interface |
| |
| // ---- begin IAfMelReporterCallback interface |
| |
| // below also used by IAfThreadCallback |
| audio_utils::mutex& mutex() const final |
| RETURN_CAPABILITY(audio_utils::AudioFlinger_Mutex) |
| EXCLUDES_BELOW_AudioFlinger_Mutex { return mMutex; } |
| sp<IAfThreadBase> checkOutputThread_l(audio_io_handle_t ioHandle) const final |
| REQUIRES(mutex()); |
| |
| // ---- end of IAfMelReporterCallback interface |
| |
| // ---- begin IAfPatchPanelCallback interface |
| |
| void closeThreadInternal_l(const sp<IAfPlaybackThread>& thread) final REQUIRES(mutex()); |
| void closeThreadInternal_l(const sp<IAfRecordThread>& thread) final REQUIRES(mutex()); |
| // return thread associated with primary hardware device, or NULL |
| IAfPlaybackThread* primaryPlaybackThread_l() const final REQUIRES(mutex()); |
| IAfPlaybackThread* checkPlaybackThread_l(audio_io_handle_t output) const final |
| REQUIRES(mutex()); |
| IAfRecordThread* checkRecordThread_l(audio_io_handle_t input) const final REQUIRES(mutex()); |
| IAfMmapThread* checkMmapThread_l(audio_io_handle_t io) const final REQUIRES(mutex()); |
| sp<IAfThreadBase> openInput_l(audio_module_handle_t module, |
| audio_io_handle_t* input, |
| audio_config_t* config, |
| audio_devices_t device, |
| const char* address, |
| audio_source_t source, |
| audio_input_flags_t flags, |
| audio_devices_t outputDevice, |
| const String8& outputDeviceAddress) final REQUIRES(mutex()); |
| sp<IAfThreadBase> openOutput_l(audio_module_handle_t module, |
| audio_io_handle_t* output, |
| audio_config_t* halConfig, |
| audio_config_base_t* mixerConfig, |
| audio_devices_t deviceType, |
| const String8& address, |
| audio_output_flags_t flags) final REQUIRES(mutex()); |
| const DefaultKeyedVector<audio_module_handle_t, AudioHwDevice*>& |
| getAudioHwDevs_l() const final REQUIRES(mutex()) { return mAudioHwDevs; } |
| void updateDownStreamPatches_l(const struct audio_patch* patch, |
| const std::set<audio_io_handle_t>& streams) final REQUIRES(mutex()); |
| void updateOutDevicesForRecordThreads_l(const DeviceDescriptorBaseVector& devices) final |
| REQUIRES(mutex()); |
| |
| // ---- end of IAfPatchPanelCallback interface |
| |
| // ----- begin IAfThreadCallback interface |
| |
| bool isNonOffloadableGlobalEffectEnabled_l() const final |
| REQUIRES(mutex()) EXCLUDES_ThreadBase_Mutex; |
| bool btNrecIsOff() const final { return mBtNrecIsOff.load(); } |
| float masterVolume_l() const final REQUIRES(mutex()); |
| bool masterMute_l() const final REQUIRES(mutex()); |
| float getMasterBalance_l() const REQUIRES(mutex()); |
| // no range check, AudioFlinger::mutex() held |
| bool streamMute_l(audio_stream_type_t stream) const final REQUIRES(mutex()) { |
| return mStreamTypes[stream].mute; |
| } |
| audio_mode_t getMode() const final { return mMode; } |
| bool isLowRamDevice() const final { return mIsLowRamDevice; } |
| uint32_t getScreenState() const final { return mScreenState; } |
| |
| std::optional<media::AudioVibratorInfo> getDefaultVibratorInfo_l() const final |
| REQUIRES(mutex()); |
| const sp<IAfPatchPanel>& getPatchPanel() const final { return mPatchPanel; } |
| const sp<MelReporter>& getMelReporter() const final { return mMelReporter; } |
| const sp<EffectsFactoryHalInterface>& getEffectsFactoryHal() const final { |
| return mEffectsFactoryHal; |
| } |
| sp<IAudioManager> getOrCreateAudioManager() final; |
| |
| // Called when the last effect handle on an effect instance is removed. If this |
| // effect belongs to an effect chain in mOrphanEffectChains, the chain is updated |
| // and removed from mOrphanEffectChains if it does not contain any effect. |
| // Return true if the effect was found in mOrphanEffectChains, false otherwise. |
| bool updateOrphanEffectChains(const sp<IAfEffectModule>& effect) final |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| status_t moveEffectChain_ll(audio_session_t sessionId, |
| IAfPlaybackThread* srcThread, IAfPlaybackThread* dstThread) final |
| REQUIRES(mutex(), audio_utils::ThreadBase_Mutex); |
| |
| // This is a helper that is called during incoming binder calls. |
| // Requests media.log to start merging log buffers |
| void requestLogMerge() final; |
| sp<NBLog::Writer> newWriter_l(size_t size, const char *name) final REQUIRES(mutex()); |
| void unregisterWriter(const sp<NBLog::Writer>& writer) final; |
| |
| sp<audioflinger::SyncEvent> createSyncEvent(AudioSystem::sync_event_t type, |
| audio_session_t triggerSession, |
| audio_session_t listenerSession, |
| const audioflinger::SyncEventCallback& callBack, |
| const wp<IAfTrackBase>& cookie) final EXCLUDES_AudioFlinger_Mutex; |
| |
| // Hold either AudioFlinger::mutex or ThreadBase::mutex |
| void ioConfigChanged_l(audio_io_config_event_t event, |
| const sp<AudioIoDescriptor>& ioDesc, |
| pid_t pid = 0) final EXCLUDES_AudioFlinger_ClientMutex; |
| void onNonOffloadableGlobalEffectEnable() final EXCLUDES_AudioFlinger_Mutex; |
| void onSupportedLatencyModesChanged( |
| audio_io_handle_t output, const std::vector<audio_latency_mode_t>& modes) final |
| EXCLUDES_AudioFlinger_ClientMutex; |
| |
| // ---- end of IAfThreadCallback interface |
| |
| /* List available audio ports and their attributes */ |
| status_t listAudioPorts(unsigned int* num_ports, struct audio_port* ports) const |
| EXCLUDES_AudioFlinger_Mutex; |
| |
| sp<EffectsFactoryHalInterface> getEffectsFactory(); |
| |
| public: |
| // TODO(b/292281786): Remove this when Oboeservice can get access to |
| // openMmapStream through an IAudioFlinger handle directly. |
| static inline std::atomic<AudioFlinger*> gAudioFlinger = nullptr; |
| |
| status_t openMmapStream(MmapStreamInterface::stream_direction_t direction, |
| const audio_attributes_t *attr, |
| audio_config_base_t *config, |
| const AudioClient& client, |
| audio_port_handle_t *deviceId, |
| audio_session_t *sessionId, |
| const sp<MmapStreamCallback>& callback, |
| sp<MmapStreamInterface>& interface, |
| audio_port_handle_t *handle) EXCLUDES_AudioFlinger_Mutex; |
| private: |
| // FIXME The 400 is temporarily too high until a leak of writers in media.log is fixed. |
| static const size_t kLogMemorySize = 400 * 1024; |
| sp<MemoryDealer> mLogMemoryDealer; // == 0 when NBLog is disabled |
| // When a log writer is unregistered, it is done lazily so that media.log can continue to see it |
| // for as long as possible. The memory is only freed when it is needed for another log writer. |
| Vector< sp<NBLog::Writer> > mUnregisteredWriters; |
| audio_utils::mutex& unregisteredWritersMutex() const { return mUnregisteredWritersMutex; } |
| mutable audio_utils::mutex mUnregisteredWritersMutex; |
| |
| AudioFlinger() ANDROID_API; |
| ~AudioFlinger() override; |
| |
| // call in any IAudioFlinger method that accesses mPrimaryHardwareDev |
| status_t initCheck() const { return mPrimaryHardwareDev == NULL ? |
| NO_INIT : NO_ERROR; } |
| |
| // RefBase |
| void onFirstRef() override; |
| |
| AudioHwDevice* findSuitableHwDev_l(audio_module_handle_t module, |
| audio_devices_t deviceType) REQUIRES(mutex()); |
| |
| // incremented by 2 when screen state changes, bit 0 == 1 means "off" |
| // AudioFlinger::setParameters() updates with mutex(). |
| std::atomic_uint32_t mScreenState{}; |
| |
| void dumpPermissionDenial(int fd, const Vector<String16>& args); |
| void dumpClients_ll(int fd, const Vector<String16>& args) REQUIRES(mutex(), clientMutex()); |
| void dumpInternals_l(int fd, const Vector<String16>& args) REQUIRES(mutex()); |
| |
| SimpleLog mThreadLog{16}; // 16 Thread history limit |
| |
| void dumpToThreadLog_l(const sp<IAfThreadBase>& thread) REQUIRES(mutex()); |
| |
| // --- Notification Client --- |
| class NotificationClient : public IBinder::DeathRecipient { |
| public: |
| NotificationClient(const sp<AudioFlinger>& audioFlinger, |
| const sp<media::IAudioFlingerClient>& client, |
| pid_t pid, |
| uid_t uid); |
| virtual ~NotificationClient(); |
| |
| sp<media::IAudioFlingerClient> audioFlingerClient() const { return mAudioFlingerClient; } |
| pid_t getPid() const { return mPid; } |
| uid_t getUid() const { return mUid; } |
| |
| // IBinder::DeathRecipient |
| virtual void binderDied(const wp<IBinder>& who); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(NotificationClient); |
| |
| const sp<AudioFlinger> mAudioFlinger; |
| const pid_t mPid; |
| const uid_t mUid; |
| const sp<media::IAudioFlingerClient> mAudioFlingerClient; |
| }; |
| |
| // --- MediaLogNotifier --- |
| // Thread in charge of notifying MediaLogService to start merging. |
| // Receives requests from AudioFlinger's binder activity. It is used to reduce the amount of |
| // binder calls to MediaLogService in case of bursts of AudioFlinger binder calls. |
| class MediaLogNotifier : public Thread { |
| public: |
| MediaLogNotifier(); |
| |
| // Requests a MediaLogService notification. It's ignored if there has recently been another |
| void requestMerge(); |
| private: |
| // Every iteration blocks waiting for a request, then interacts with MediaLogService to |
| // start merging. |
| // As every MediaLogService binder call is expensive, once it gets a request it ignores the |
| // following ones for a period of time. |
| virtual bool threadLoop() override; |
| |
| bool mPendingRequests; |
| |
| // Mutex and condition variable around mPendingRequests' value |
| audio_utils::mutex mMutex; |
| audio_utils::condition_variable mCondition; |
| |
| // Duration of the sleep period after a processed request |
| static const int kPostTriggerSleepPeriod = 1000000; |
| }; |
| |
| const sp<MediaLogNotifier> mMediaLogNotifier = sp<MediaLogNotifier>::make(); |
| |
| // Find io handle by session id. |
| // Preference is given to an io handle with a matching effect chain to session id. |
| // If none found, AUDIO_IO_HANDLE_NONE is returned. |
| template <typename T> |
| static audio_io_handle_t findIoHandleBySessionId_l( |
| audio_session_t sessionId, const T& threads) |
| REQUIRES(audio_utils::AudioFlinger_Mutex) { |
| audio_io_handle_t io = AUDIO_IO_HANDLE_NONE; |
| |
| for (size_t i = 0; i < threads.size(); i++) { |
| const uint32_t sessionType = threads.valueAt(i)->hasAudioSession(sessionId); |
| if (sessionType != 0) { |
| io = threads.keyAt(i); |
| if ((sessionType & IAfThreadBase::EFFECT_SESSION) != 0) { |
| break; // effect chain here. |
| } |
| } |
| } |
| return io; |
| } |
| |
| IAfThreadBase* checkThread_l(audio_io_handle_t ioHandle) const REQUIRES(mutex()); |
| IAfPlaybackThread* checkMixerThread_l(audio_io_handle_t output) const REQUIRES(mutex()); |
| |
| sp<VolumeInterface> getVolumeInterface_l(audio_io_handle_t output) const REQUIRES(mutex()); |
| std::vector<sp<VolumeInterface>> getAllVolumeInterfaces_l() const REQUIRES(mutex()); |
| |
| |
| static void closeOutputFinish(const sp<IAfPlaybackThread>& thread); |
| void closeInputFinish(const sp<IAfRecordThread>& thread); |
| |
| // Allocate an audio_unique_id_t. |
| // Specific types are audio_io_handle_t, audio_session_t, effect ID (int), |
| // audio_module_handle_t, and audio_patch_handle_t. |
| // They all share the same ID space, but the namespaces are actually independent |
| // because there are separate KeyedVectors for each kind of ID. |
| // The return value is cast to the specific type depending on how the ID will be used. |
| // FIXME This API does not handle rollover to zero (for unsigned IDs), |
| // or from positive to negative (for signed IDs). |
| // Thus it may fail by returning an ID of the wrong sign, |
| // or by returning a non-unique ID. |
| // This is the internal API. For the binder API see newAudioUniqueId(). |
| // used by IAfDeviceEffectManagerCallback, IAfPatchPanelCallback, IAfThreadCallback |
| audio_unique_id_t nextUniqueId(audio_unique_id_use_t use) final; |
| |
| status_t moveEffectChain_ll(audio_session_t sessionId, |
| IAfRecordThread* srcThread, IAfRecordThread* dstThread) |
| REQUIRES(mutex(), audio_utils::ThreadBase_Mutex); |
| |
| // return thread associated with primary hardware device, or NULL |
| DeviceTypeSet primaryOutputDevice_l() const REQUIRES(mutex()); |
| |
| // return the playback thread with smallest HAL buffer size, and prefer fast |
| IAfPlaybackThread* fastPlaybackThread_l() const REQUIRES(mutex()); |
| |
| sp<IAfThreadBase> getEffectThread_l(audio_session_t sessionId, int effectId) |
| REQUIRES(mutex()); |
| |
| IAfThreadBase* hapticPlaybackThread_l() const REQUIRES(mutex()); |
| |
| void updateSecondaryOutputsForTrack_l( |
| IAfTrack* track, |
| IAfPlaybackThread* thread, |
| const std::vector<audio_io_handle_t>& secondaryOutputs) const REQUIRES(mutex()); |
| |
| bool isSessionAcquired_l(audio_session_t audioSession) REQUIRES(mutex()); |
| |
| // Store an effect chain to mOrphanEffectChains keyed vector. |
| // Called when a thread exits and effects are still attached to it. |
| // If effects are later created on the same session, they will reuse the same |
| // effect chain and same instances in the effect library. |
| // return ALREADY_EXISTS if a chain with the same session already exists in |
| // mOrphanEffectChains. Note that this should never happen as there is only one |
| // chain for a given session and it is attached to only one thread at a time. |
| status_t putOrphanEffectChain_l(const sp<IAfEffectChain>& chain) REQUIRES(mutex()); |
| // Get an effect chain for the specified session in mOrphanEffectChains and remove |
| // it if found. Returns 0 if not found (this is the most common case). |
| sp<IAfEffectChain> getOrphanEffectChain_l(audio_session_t session) REQUIRES(mutex()); |
| |
| std::vector< sp<IAfEffectModule> > purgeStaleEffects_l() REQUIRES(mutex()); |
| |
| std::vector< sp<IAfEffectModule> > purgeOrphanEffectChains_l() REQUIRES(mutex()); |
| bool updateOrphanEffectChains_l(const sp<IAfEffectModule>& effect) REQUIRES(mutex()); |
| |
| void broadcastParametersToRecordThreads_l(const String8& keyValuePairs) REQUIRES(mutex()); |
| void forwardParametersToDownstreamPatches_l( |
| audio_io_handle_t upStream, const String8& keyValuePairs, |
| const std::function<bool(const sp<IAfPlaybackThread>&)>& useThread = nullptr) |
| REQUIRES(mutex()); |
| |
| // for mAudioSessionRefs only |
| struct AudioSessionRef { |
| AudioSessionRef(audio_session_t sessionid, pid_t pid, uid_t uid) : |
| mSessionid(sessionid), mPid(pid), mUid(uid), mCnt(1) {} |
| const audio_session_t mSessionid; |
| const pid_t mPid; |
| const uid_t mUid; |
| int mCnt; |
| }; |
| |
| mutable audio_utils::mutex mMutex; |
| // protects mClients and mNotificationClients. |
| // must be locked after mutex() and ThreadBase::mutex() if both must be locked |
| // avoids acquiring AudioFlinger::mutex() from inside thread loop. |
| |
| mutable audio_utils::mutex mClientMutex; |
| |
| DefaultKeyedVector<pid_t, wp<Client>> mClients GUARDED_BY(clientMutex()); // see ~Client() |
| |
| audio_utils::mutex& hardwareMutex() const { return mHardwareMutex; } |
| |
| mutable audio_utils::mutex mHardwareMutex; |
| // NOTE: If both mMutex and mHardwareMutex mutexes must be held, |
| // always take mMutex before mHardwareMutex |
| |
| std::atomic<AudioHwDevice*> mPrimaryHardwareDev = nullptr; |
| DefaultKeyedVector<audio_module_handle_t, AudioHwDevice*> mAudioHwDevs |
| GUARDED_BY(hardwareMutex()) {nullptr /* defValue */}; |
| |
| const sp<DevicesFactoryHalInterface> mDevicesFactoryHal = |
| DevicesFactoryHalInterface::create(); |
| /* const */ sp<DevicesFactoryHalCallback> mDevicesFactoryHalCallback; // set onFirstRef(). |
| |
| // for dump, indicates which hardware operation is currently in progress (but not stream ops) |
| enum hardware_call_state { |
| AUDIO_HW_IDLE = 0, // no operation in progress |
| AUDIO_HW_INIT, // init_check |
| AUDIO_HW_OUTPUT_OPEN, // open_output_stream |
| AUDIO_HW_OUTPUT_CLOSE, // unused |
| AUDIO_HW_INPUT_OPEN, // unused |
| AUDIO_HW_INPUT_CLOSE, // unused |
| AUDIO_HW_STANDBY, // unused |
| AUDIO_HW_SET_MASTER_VOLUME, // set_master_volume |
| AUDIO_HW_GET_ROUTING, // unused |
| AUDIO_HW_SET_ROUTING, // unused |
| AUDIO_HW_GET_MODE, // unused |
| AUDIO_HW_SET_MODE, // set_mode |
| AUDIO_HW_GET_MIC_MUTE, // get_mic_mute |
| AUDIO_HW_SET_MIC_MUTE, // set_mic_mute |
| AUDIO_HW_SET_VOICE_VOLUME, // set_voice_volume |
| AUDIO_HW_SET_PARAMETER, // set_parameters |
| AUDIO_HW_GET_INPUT_BUFFER_SIZE, // get_input_buffer_size |
| AUDIO_HW_GET_MASTER_VOLUME, // get_master_volume |
| AUDIO_HW_GET_PARAMETER, // get_parameters |
| AUDIO_HW_SET_MASTER_MUTE, // set_master_mute |
| AUDIO_HW_GET_MASTER_MUTE, // get_master_mute |
| AUDIO_HW_GET_MICROPHONES, // getMicrophones |
| AUDIO_HW_SET_CONNECTED_STATE, // setConnectedState |
| AUDIO_HW_SET_SIMULATE_CONNECTIONS, // setSimulateDeviceConnections |
| }; |
| |
| mutable hardware_call_state mHardwareStatus = AUDIO_HW_IDLE; // for dump only |
| DefaultKeyedVector<audio_io_handle_t, sp<IAfPlaybackThread>> mPlaybackThreads |
| GUARDED_BY(mutex()); |
| stream_type_t mStreamTypes[AUDIO_STREAM_CNT] GUARDED_BY(mutex()); |
| |
| float mMasterVolume GUARDED_BY(mutex()) = 1.f; |
| bool mMasterMute GUARDED_BY(mutex()) = false; |
| float mMasterBalance GUARDED_BY(mutex()) = 0.f; |
| |
| DefaultKeyedVector<audio_io_handle_t, sp<IAfRecordThread>> mRecordThreads GUARDED_BY(mutex()); |
| |
| DefaultKeyedVector<pid_t, sp<NotificationClient>> mNotificationClients |
| GUARDED_BY(clientMutex()); |
| |
| // updated by atomic_fetch_add_explicit |
| volatile atomic_uint_fast32_t mNextUniqueIds[AUDIO_UNIQUE_ID_USE_MAX]; // ctor init |
| |
| std::atomic<audio_mode_t> mMode = AUDIO_MODE_INVALID; |
| std::atomic<bool> mBtNrecIsOff = false; |
| |
| Vector<AudioSessionRef*> mAudioSessionRefs GUARDED_BY(mutex()); |
| |
| AudioHwDevice* loadHwModule_ll(const char *name) REQUIRES(mutex(), hardwareMutex()); |
| |
| // sync events awaiting for a session to be created. |
| std::list<sp<audioflinger::SyncEvent>> mPendingSyncEvents GUARDED_BY(mutex()); |
| |
| // Effect chains without a valid thread |
| DefaultKeyedVector<audio_session_t, sp<IAfEffectChain>> mOrphanEffectChains |
| GUARDED_BY(mutex()); |
| |
| // list of sessions for which a valid HW A/V sync ID was retrieved from the HAL |
| DefaultKeyedVector<audio_session_t, audio_hw_sync_t> mHwAvSyncIds GUARDED_BY(mutex()); |
| |
| // list of MMAP stream control threads. Those threads allow for wake lock, routing |
| // and volume control for activity on the associated MMAP stream at the HAL. |
| // Audio data transfer is directly handled by the client creating the MMAP stream |
| DefaultKeyedVector<audio_io_handle_t, sp<IAfMmapThread>> mMmapThreads GUARDED_BY(mutex()); |
| |
| sp<Client> registerPid(pid_t pid) EXCLUDES_AudioFlinger_ClientMutex; // always returns non-0 |
| |
| // for use from destructor |
| status_t closeOutput_nonvirtual(audio_io_handle_t output) EXCLUDES_AudioFlinger_Mutex; |
| status_t closeInput_nonvirtual(audio_io_handle_t input) EXCLUDES_AudioFlinger_Mutex; |
| void setAudioHwSyncForSession_l(IAfPlaybackThread* thread, audio_session_t sessionId) |
| REQUIRES(mutex()); |
| |
| static status_t checkStreamType(audio_stream_type_t stream); |
| |
| // no mutex needed. |
| void filterReservedParameters(String8& keyValuePairs, uid_t callingUid); |
| void logFilteredParameters(size_t originalKVPSize, const String8& originalKVPs, |
| size_t rejectedKVPSize, const String8& rejectedKVPs, |
| uid_t callingUid); |
| |
| // These methods read variables atomically without mLock, |
| // though the variables are updated with mLock. |
| size_t getClientSharedHeapSize() const; |
| |
| std::atomic<bool> mIsLowRamDevice = true; |
| bool mIsDeviceTypeKnown GUARDED_BY(mutex()) = false; |
| int64_t mTotalMemory GUARDED_BY(mutex()) = 0; |
| std::atomic<size_t> mClientSharedHeapSize = kMinimumClientSharedHeapSizeBytes; |
| static constexpr size_t kMinimumClientSharedHeapSizeBytes = 1024 * 1024; // 1MB |
| |
| // when a global effect was last enabled |
| nsecs_t mGlobalEffectEnableTime GUARDED_BY(mutex()) = 0; |
| |
| /* const */ sp<IAfPatchPanel> mPatchPanel; |
| |
| const sp<EffectsFactoryHalInterface> mEffectsFactoryHal = |
| audioflinger::EffectConfiguration::getEffectsFactoryHal(); |
| |
| const sp<PatchCommandThread> mPatchCommandThread = sp<PatchCommandThread>::make(); |
| /* const */ sp<DeviceEffectManager> mDeviceEffectManager; // set onFirstRef |
| /* const */ sp<MelReporter> mMelReporter; // set onFirstRef |
| |
| bool mSystemReady GUARDED_BY(mutex()) = false; |
| std::atomic<bool> mAudioPolicyReady = false; |
| |
| mediautils::UidInfo mUidInfo GUARDED_BY(mutex()); |
| |
| // no mutex needed. |
| SimpleLog mRejectedSetParameterLog; |
| SimpleLog mAppSetParameterLog; |
| SimpleLog mSystemSetParameterLog; |
| |
| std::vector<media::AudioVibratorInfo> mAudioVibratorInfos GUARDED_BY(mutex()); |
| |
| static inline constexpr const char *mMetricsId = AMEDIAMETRICS_KEY_AUDIO_FLINGER; |
| |
| std::map<media::audio::common::AudioMMapPolicyType, |
| std::vector<media::audio::common::AudioMMapPolicyInfo>> mPolicyInfos |
| GUARDED_BY(mutex()); |
| int32_t mAAudioBurstsPerBuffer GUARDED_BY(mutex()) = 0; |
| int32_t mAAudioHwBurstMinMicros GUARDED_BY(mutex()) = 0; |
| |
| /** Interface for interacting with the AudioService. */ |
| mediautils::atomic_sp<IAudioManager> mAudioManager; |
| |
| // Bluetooth Variable latency control logic is enabled or disabled |
| std::atomic<bool> mBluetoothLatencyModesEnabled = true; |
| }; |
| |
| // ---------------------------------------------------------------------------- |
| |
| } // namespace android |