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Diffstat (limited to 'libs/audioflinger/AudioPolicyService.h')
| -rw-r--r-- | libs/audioflinger/AudioPolicyService.h | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/libs/audioflinger/AudioPolicyService.h b/libs/audioflinger/AudioPolicyService.h deleted file mode 100644 index a13d0bdce327..000000000000 --- a/libs/audioflinger/AudioPolicyService.h +++ /dev/null @@ -1,223 +0,0 @@ -/* - * Copyright (C) 2009 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_AUDIOPOLICYSERVICE_H -#define ANDROID_AUDIOPOLICYSERVICE_H - -#include <media/IAudioPolicyService.h> -#include <hardware_legacy/AudioPolicyInterface.h> -#include <media/ToneGenerator.h> -#include <utils/Vector.h> - -namespace android { - -class String8; - -// ---------------------------------------------------------------------------- - -class AudioPolicyService: public BnAudioPolicyService, public AudioPolicyClientInterface, public IBinder::DeathRecipient -{ - -public: - static void instantiate(); - - virtual status_t dump(int fd, const Vector<String16>& args); - - // - // BnAudioPolicyService (see AudioPolicyInterface for method descriptions) - // - - virtual status_t setDeviceConnectionState(AudioSystem::audio_devices device, - AudioSystem::device_connection_state state, - const char *device_address); - virtual AudioSystem::device_connection_state getDeviceConnectionState(AudioSystem::audio_devices device, - const char *device_address); - virtual status_t setPhoneState(int state); - virtual status_t setRingerMode(uint32_t mode, uint32_t mask); - virtual status_t setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config); - virtual AudioSystem::forced_config getForceUse(AudioSystem::force_use usage); - virtual audio_io_handle_t getOutput(AudioSystem::stream_type stream, - uint32_t samplingRate = 0, - uint32_t format = AudioSystem::FORMAT_DEFAULT, - uint32_t channels = 0, - AudioSystem::output_flags flags = AudioSystem::OUTPUT_FLAG_INDIRECT); - virtual status_t startOutput(audio_io_handle_t output, AudioSystem::stream_type stream); - virtual status_t stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream); - virtual void releaseOutput(audio_io_handle_t output); - virtual audio_io_handle_t getInput(int inputSource, - uint32_t samplingRate = 0, - uint32_t format = AudioSystem::FORMAT_DEFAULT, - uint32_t channels = 0, - AudioSystem::audio_in_acoustics acoustics = (AudioSystem::audio_in_acoustics)0); - virtual status_t startInput(audio_io_handle_t input); - virtual status_t stopInput(audio_io_handle_t input); - virtual void releaseInput(audio_io_handle_t input); - virtual status_t initStreamVolume(AudioSystem::stream_type stream, - int indexMin, - int indexMax); - virtual status_t setStreamVolumeIndex(AudioSystem::stream_type stream, int index); - virtual status_t getStreamVolumeIndex(AudioSystem::stream_type stream, int *index); - - virtual status_t onTransact( - uint32_t code, - const Parcel& data, - Parcel* reply, - uint32_t flags); - - // IBinder::DeathRecipient - virtual void binderDied(const wp<IBinder>& who); - - // - // AudioPolicyClientInterface - // - virtual audio_io_handle_t openOutput(uint32_t *pDevices, - uint32_t *pSamplingRate, - uint32_t *pFormat, - uint32_t *pChannels, - uint32_t *pLatencyMs, - AudioSystem::output_flags flags); - virtual audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1, audio_io_handle_t output2); - virtual status_t closeOutput(audio_io_handle_t output); - virtual status_t suspendOutput(audio_io_handle_t output); - virtual status_t restoreOutput(audio_io_handle_t output); - virtual audio_io_handle_t openInput(uint32_t *pDevices, - uint32_t *pSamplingRate, - uint32_t *pFormat, - uint32_t *pChannels, - uint32_t acoustics); - virtual status_t closeInput(audio_io_handle_t input); - virtual status_t setStreamVolume(AudioSystem::stream_type stream, float volume, audio_io_handle_t output, int delayMs = 0); - virtual status_t setStreamOutput(AudioSystem::stream_type stream, audio_io_handle_t output); - virtual void setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs, int delayMs = 0); - virtual String8 getParameters(audio_io_handle_t ioHandle, const String8& keys); - virtual status_t startTone(ToneGenerator::tone_type tone, AudioSystem::stream_type stream); - virtual status_t stopTone(); - virtual status_t setVoiceVolume(float volume, int delayMs = 0); - -private: - AudioPolicyService(); - virtual ~AudioPolicyService(); - - status_t dumpInternals(int fd); - - // Thread used for tone playback and to send audio config commands to audio flinger - // For tone playback, using a separate thread is necessary to avoid deadlock with mLock because startTone() - // and stopTone() are normally called with mLock locked and requesting a tone start or stop will cause - // calls to AudioPolicyService and an attempt to lock mLock. - // For audio config commands, it is necessary because audio flinger requires that the calling process (user) - // has permission to modify audio settings. - class AudioCommandThread : public Thread { - class AudioCommand; - public: - - // commands for tone AudioCommand - enum { - START_TONE, - STOP_TONE, - SET_VOLUME, - SET_PARAMETERS, - SET_VOICE_VOLUME - }; - - AudioCommandThread (String8 name); - virtual ~AudioCommandThread(); - - status_t dump(int fd); - - // Thread virtuals - virtual void onFirstRef(); - virtual bool threadLoop(); - - void exit(); - void startToneCommand(int type = 0, int stream = 0); - void stopToneCommand(); - status_t volumeCommand(int stream, float volume, int output, int delayMs = 0); - status_t parametersCommand(int ioHandle, const String8& keyValuePairs, int delayMs = 0); - status_t voiceVolumeCommand(float volume, int delayMs = 0); - void insertCommand_l(AudioCommand *command, int delayMs = 0); - - private: - // descriptor for requested tone playback event - class AudioCommand { - - public: - AudioCommand() - : mCommand(-1) {} - - void dump(char* buffer, size_t size); - - int mCommand; // START_TONE, STOP_TONE ... - nsecs_t mTime; // time stamp - Condition mCond; // condition for status return - status_t mStatus; // command status - bool mWaitStatus; // true if caller is waiting for status - void *mParam; // command parameter (ToneData, VolumeData, ParametersData) - }; - - class ToneData { - public: - int mType; // tone type (START_TONE only) - int mStream; // stream type (START_TONE only) - }; - - class VolumeData { - public: - int mStream; - float mVolume; - int mIO; - }; - - class ParametersData { - public: - int mIO; - String8 mKeyValuePairs; - }; - - class VoiceVolumeData { - public: - float mVolume; - }; - - Mutex mLock; - Condition mWaitWorkCV; - Vector <AudioCommand *> mAudioCommands; // list of pending commands - ToneGenerator *mpToneGenerator; // the tone generator - AudioCommand mLastCommand; // last processed command (used by dump) - String8 mName; // string used by wake lock fo delayed commands - }; - - // Internal dump utilities. - status_t dumpPermissionDenial(int fd); - - - Mutex mLock; // prevents concurrent access to AudioPolicy manager functions changing device - // connection stated our routing - AudioPolicyInterface* mpPolicyManager; // the platform specific policy manager - sp <AudioCommandThread> mAudioCommandThread; // audio commands thread - sp <AudioCommandThread> mTonePlaybackThread; // tone playback thread -}; - -}; // namespace android - -#endif // ANDROID_AUDIOPOLICYSERVICE_H - - - - - - - - |