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Diffstat (limited to 'libs/audioflinger/AudioPolicyService.cpp')
| -rw-r--r-- | libs/audioflinger/AudioPolicyService.cpp | 924 |
1 files changed, 0 insertions, 924 deletions
diff --git a/libs/audioflinger/AudioPolicyService.cpp b/libs/audioflinger/AudioPolicyService.cpp deleted file mode 100644 index bb3905c..0000000 --- a/libs/audioflinger/AudioPolicyService.cpp +++ /dev/null @@ -1,924 +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. - */ - -#define LOG_TAG "AudioPolicyService" -//#define LOG_NDEBUG 0 - -#undef __STRICT_ANSI__ -#define __STDINT_LIMITS -#define __STDC_LIMIT_MACROS -#include <stdint.h> - -#include <sys/time.h> -#include <binder/IServiceManager.h> -#include <utils/Log.h> -#include <cutils/properties.h> -#include <binder/IPCThreadState.h> -#include <utils/String16.h> -#include <utils/threads.h> -#include "AudioPolicyService.h" -#include <hardware_legacy/AudioPolicyManagerBase.h> -#include <cutils/properties.h> -#include <dlfcn.h> -#include <hardware_legacy/power.h> - -// ---------------------------------------------------------------------------- -// the sim build doesn't have gettid - -#ifndef HAVE_GETTID -# define gettid getpid -#endif - -namespace android { - - -static const char *kDeadlockedString = "AudioPolicyService may be deadlocked\n"; -static const char *kCmdDeadlockedString = "AudioPolicyService command thread may be deadlocked\n"; - -static const int kDumpLockRetries = 50; -static const int kDumpLockSleep = 20000; - -static bool checkPermission() { -#ifndef HAVE_ANDROID_OS - return true; -#endif - if (getpid() == IPCThreadState::self()->getCallingPid()) return true; - bool ok = checkCallingPermission(String16("android.permission.MODIFY_AUDIO_SETTINGS")); - if (!ok) LOGE("Request requires android.permission.MODIFY_AUDIO_SETTINGS"); - return ok; -} - -// ---------------------------------------------------------------------------- - -AudioPolicyService::AudioPolicyService() - : BnAudioPolicyService() , mpPolicyManager(NULL) -{ - char value[PROPERTY_VALUE_MAX]; - - // start tone playback thread - mTonePlaybackThread = new AudioCommandThread(String8("")); - // start audio commands thread - mAudioCommandThread = new AudioCommandThread(String8("ApmCommandThread")); - -#if (defined GENERIC_AUDIO) || (defined AUDIO_POLICY_TEST) - mpPolicyManager = new AudioPolicyManagerBase(this); - LOGV("build for GENERIC_AUDIO - using generic audio policy"); -#else - // if running in emulation - use the emulator driver - if (property_get("ro.kernel.qemu", value, 0)) { - LOGV("Running in emulation - using generic audio policy"); - mpPolicyManager = new AudioPolicyManagerBase(this); - } - else { - LOGV("Using hardware specific audio policy"); - mpPolicyManager = createAudioPolicyManager(this); - } -#endif - - // load properties - property_get("ro.camera.sound.forced", value, "0"); - mpPolicyManager->setSystemProperty("ro.camera.sound.forced", value); -} - -AudioPolicyService::~AudioPolicyService() -{ - mTonePlaybackThread->exit(); - mTonePlaybackThread.clear(); - mAudioCommandThread->exit(); - mAudioCommandThread.clear(); - - if (mpPolicyManager) { - delete mpPolicyManager; - } -} - - -status_t AudioPolicyService::setDeviceConnectionState(AudioSystem::audio_devices device, - AudioSystem::device_connection_state state, - const char *device_address) -{ - if (mpPolicyManager == NULL) { - return NO_INIT; - } - if (!checkPermission()) { - return PERMISSION_DENIED; - } - if (!AudioSystem::isOutputDevice(device) && !AudioSystem::isInputDevice(device)) { - return BAD_VALUE; - } - if (state != AudioSystem::DEVICE_STATE_AVAILABLE && state != AudioSystem::DEVICE_STATE_UNAVAILABLE) { - return BAD_VALUE; - } - - LOGV("setDeviceConnectionState() tid %d", gettid()); - Mutex::Autolock _l(mLock); - return mpPolicyManager->setDeviceConnectionState(device, state, device_address); -} - -AudioSystem::device_connection_state AudioPolicyService::getDeviceConnectionState(AudioSystem::audio_devices device, - const char *device_address) -{ - if (mpPolicyManager == NULL) { - return AudioSystem::DEVICE_STATE_UNAVAILABLE; - } - if (!checkPermission()) { - return AudioSystem::DEVICE_STATE_UNAVAILABLE; - } - return mpPolicyManager->getDeviceConnectionState(device, device_address); -} - -status_t AudioPolicyService::setPhoneState(int state) -{ - if (mpPolicyManager == NULL) { - return NO_INIT; - } - if (!checkPermission()) { - return PERMISSION_DENIED; - } - if (state < 0 || state >= AudioSystem::NUM_MODES) { - return BAD_VALUE; - } - - LOGV("setPhoneState() tid %d", gettid()); - - // TODO: check if it is more appropriate to do it in platform specific policy manager - AudioSystem::setMode(state); - - Mutex::Autolock _l(mLock); - mpPolicyManager->setPhoneState(state); - return NO_ERROR; -} - -status_t AudioPolicyService::setRingerMode(uint32_t mode, uint32_t mask) -{ - if (mpPolicyManager == NULL) { - return NO_INIT; - } - if (!checkPermission()) { - return PERMISSION_DENIED; - } - - mpPolicyManager->setRingerMode(mode, mask); - return NO_ERROR; -} - -status_t AudioPolicyService::setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config) -{ - if (mpPolicyManager == NULL) { - return NO_INIT; - } - if (!checkPermission()) { - return PERMISSION_DENIED; - } - if (usage < 0 || usage >= AudioSystem::NUM_FORCE_USE) { - return BAD_VALUE; - } - if (config < 0 || config >= AudioSystem::NUM_FORCE_CONFIG) { - return BAD_VALUE; - } - LOGV("setForceUse() tid %d", gettid()); - Mutex::Autolock _l(mLock); - mpPolicyManager->setForceUse(usage, config); - return NO_ERROR; -} - -AudioSystem::forced_config AudioPolicyService::getForceUse(AudioSystem::force_use usage) -{ - if (mpPolicyManager == NULL) { - return AudioSystem::FORCE_NONE; - } - if (!checkPermission()) { - return AudioSystem::FORCE_NONE; - } - if (usage < 0 || usage >= AudioSystem::NUM_FORCE_USE) { - return AudioSystem::FORCE_NONE; - } - return mpPolicyManager->getForceUse(usage); -} - -audio_io_handle_t AudioPolicyService::getOutput(AudioSystem::stream_type stream, - uint32_t samplingRate, - uint32_t format, - uint32_t channels, - AudioSystem::output_flags flags) -{ - if (mpPolicyManager == NULL) { - return 0; - } - LOGV("getOutput() tid %d", gettid()); - Mutex::Autolock _l(mLock); - return mpPolicyManager->getOutput(stream, samplingRate, format, channels, flags); -} - -status_t AudioPolicyService::startOutput(audio_io_handle_t output, AudioSystem::stream_type stream) -{ - if (mpPolicyManager == NULL) { - return NO_INIT; - } - LOGV("startOutput() tid %d", gettid()); - Mutex::Autolock _l(mLock); - return mpPolicyManager->startOutput(output, stream); -} - -status_t AudioPolicyService::stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream) -{ - if (mpPolicyManager == NULL) { - return NO_INIT; - } - LOGV("stopOutput() tid %d", gettid()); - Mutex::Autolock _l(mLock); - return mpPolicyManager->stopOutput(output, stream); -} - -void AudioPolicyService::releaseOutput(audio_io_handle_t output) -{ - if (mpPolicyManager == NULL) { - return; - } - LOGV("releaseOutput() tid %d", gettid()); - Mutex::Autolock _l(mLock); - mpPolicyManager->releaseOutput(output); -} - -audio_io_handle_t AudioPolicyService::getInput(int inputSource, - uint32_t samplingRate, - uint32_t format, - uint32_t channels, - AudioSystem::audio_in_acoustics acoustics) -{ - if (mpPolicyManager == NULL) { - return 0; - } - Mutex::Autolock _l(mLock); - return mpPolicyManager->getInput(inputSource, samplingRate, format, channels, acoustics); -} - -status_t AudioPolicyService::startInput(audio_io_handle_t input) -{ - if (mpPolicyManager == NULL) { - return NO_INIT; - } - Mutex::Autolock _l(mLock); - return mpPolicyManager->startInput(input); -} - -status_t AudioPolicyService::stopInput(audio_io_handle_t input) -{ - if (mpPolicyManager == NULL) { - return NO_INIT; - } - Mutex::Autolock _l(mLock); - return mpPolicyManager->stopInput(input); -} - -void AudioPolicyService::releaseInput(audio_io_handle_t input) -{ - if (mpPolicyManager == NULL) { - return; - } - Mutex::Autolock _l(mLock); - mpPolicyManager->releaseInput(input); -} - -status_t AudioPolicyService::initStreamVolume(AudioSystem::stream_type stream, - int indexMin, - int indexMax) -{ - if (mpPolicyManager == NULL) { - return NO_INIT; - } - if (!checkPermission()) { - return PERMISSION_DENIED; - } - if (stream < 0 || stream >= AudioSystem::NUM_STREAM_TYPES) { - return BAD_VALUE; - } - mpPolicyManager->initStreamVolume(stream, indexMin, indexMax); - return NO_ERROR; -} - -status_t AudioPolicyService::setStreamVolumeIndex(AudioSystem::stream_type stream, int index) -{ - if (mpPolicyManager == NULL) { - return NO_INIT; - } - if (!checkPermission()) { - return PERMISSION_DENIED; - } - if (stream < 0 || stream >= AudioSystem::NUM_STREAM_TYPES) { - return BAD_VALUE; - } - - return mpPolicyManager->setStreamVolumeIndex(stream, index); -} - -status_t AudioPolicyService::getStreamVolumeIndex(AudioSystem::stream_type stream, int *index) -{ - if (mpPolicyManager == NULL) { - return NO_INIT; - } - if (!checkPermission()) { - return PERMISSION_DENIED; - } - if (stream < 0 || stream >= AudioSystem::NUM_STREAM_TYPES) { - return BAD_VALUE; - } - return mpPolicyManager->getStreamVolumeIndex(stream, index); -} - -void AudioPolicyService::binderDied(const wp<IBinder>& who) { - LOGW("binderDied() %p, tid %d, calling tid %d", who.unsafe_get(), gettid(), IPCThreadState::self()->getCallingPid()); -} - -static bool tryLock(Mutex& mutex) -{ - bool locked = false; - for (int i = 0; i < kDumpLockRetries; ++i) { - if (mutex.tryLock() == NO_ERROR) { - locked = true; - break; - } - usleep(kDumpLockSleep); - } - return locked; -} - -status_t AudioPolicyService::dumpInternals(int fd) -{ - const size_t SIZE = 256; - char buffer[SIZE]; - String8 result; - - snprintf(buffer, SIZE, "PolicyManager Interface: %p\n", mpPolicyManager); - result.append(buffer); - snprintf(buffer, SIZE, "Command Thread: %p\n", mAudioCommandThread.get()); - result.append(buffer); - snprintf(buffer, SIZE, "Tones Thread: %p\n", mTonePlaybackThread.get()); - result.append(buffer); - - write(fd, result.string(), result.size()); - return NO_ERROR; -} - -status_t AudioPolicyService::dump(int fd, const Vector<String16>& args) -{ - if (checkCallingPermission(String16("android.permission.DUMP")) == false) { - dumpPermissionDenial(fd); - } else { - bool locked = tryLock(mLock); - if (!locked) { - String8 result(kDeadlockedString); - write(fd, result.string(), result.size()); - } - - dumpInternals(fd); - if (mAudioCommandThread != NULL) { - mAudioCommandThread->dump(fd); - } - if (mTonePlaybackThread != NULL) { - mTonePlaybackThread->dump(fd); - } - - if (mpPolicyManager) { - mpPolicyManager->dump(fd); - } - - if (locked) mLock.unlock(); - } - return NO_ERROR; -} - -status_t AudioPolicyService::dumpPermissionDenial(int fd) -{ - const size_t SIZE = 256; - char buffer[SIZE]; - String8 result; - snprintf(buffer, SIZE, "Permission Denial: " - "can't dump AudioPolicyService from pid=%d, uid=%d\n", - IPCThreadState::self()->getCallingPid(), - IPCThreadState::self()->getCallingUid()); - result.append(buffer); - write(fd, result.string(), result.size()); - return NO_ERROR; -} - -status_t AudioPolicyService::onTransact( - uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) -{ - return BnAudioPolicyService::onTransact(code, data, reply, flags); -} - - -// ---------------------------------------------------------------------------- -void AudioPolicyService::instantiate() { - defaultServiceManager()->addService( - String16("media.audio_policy"), new AudioPolicyService()); -} - - -// ---------------------------------------------------------------------------- -// AudioPolicyClientInterface implementation -// ---------------------------------------------------------------------------- - - -audio_io_handle_t AudioPolicyService::openOutput(uint32_t *pDevices, - uint32_t *pSamplingRate, - uint32_t *pFormat, - uint32_t *pChannels, - uint32_t *pLatencyMs, - AudioSystem::output_flags flags) -{ - sp<IAudioFlinger> af = AudioSystem::get_audio_flinger(); - if (af == 0) { - LOGW("openOutput() could not get AudioFlinger"); - return 0; - } - - return af->openOutput(pDevices, pSamplingRate, (uint32_t *)pFormat, pChannels, pLatencyMs, flags); -} - -audio_io_handle_t AudioPolicyService::openDuplicateOutput(audio_io_handle_t output1, audio_io_handle_t output2) -{ - sp<IAudioFlinger> af = AudioSystem::get_audio_flinger(); - if (af == 0) { - LOGW("openDuplicateOutput() could not get AudioFlinger"); - return 0; - } - return af->openDuplicateOutput(output1, output2); -} - -status_t AudioPolicyService::closeOutput(audio_io_handle_t output) -{ - sp<IAudioFlinger> af = AudioSystem::get_audio_flinger(); - if (af == 0) return PERMISSION_DENIED; - - return af->closeOutput(output); -} - - -status_t AudioPolicyService::suspendOutput(audio_io_handle_t output) -{ - sp<IAudioFlinger> af = AudioSystem::get_audio_flinger(); - if (af == 0) { - LOGW("suspendOutput() could not get AudioFlinger"); - return PERMISSION_DENIED; - } - - return af->suspendOutput(output); -} - -status_t AudioPolicyService::restoreOutput(audio_io_handle_t output) -{ - sp<IAudioFlinger> af = AudioSystem::get_audio_flinger(); - if (af == 0) { - LOGW("restoreOutput() could not get AudioFlinger"); - return PERMISSION_DENIED; - } - - return af->restoreOutput(output); -} - -audio_io_handle_t AudioPolicyService::openInput(uint32_t *pDevices, - uint32_t *pSamplingRate, - uint32_t *pFormat, - uint32_t *pChannels, - uint32_t acoustics) -{ - sp<IAudioFlinger> af = AudioSystem::get_audio_flinger(); - if (af == 0) { - LOGW("openInput() could not get AudioFlinger"); - return 0; - } - - return af->openInput(pDevices, pSamplingRate, (uint32_t *)pFormat, pChannels, acoustics); -} - -status_t AudioPolicyService::closeInput(audio_io_handle_t input) -{ - sp<IAudioFlinger> af = AudioSystem::get_audio_flinger(); - if (af == 0) return PERMISSION_DENIED; - - return af->closeInput(input); -} - -status_t AudioPolicyService::setStreamVolume(AudioSystem::stream_type stream, float volume, audio_io_handle_t output, int delayMs) -{ - return mAudioCommandThread->volumeCommand((int)stream, volume, (int)output, delayMs); -} - -status_t AudioPolicyService::setStreamOutput(AudioSystem::stream_type stream, audio_io_handle_t output) -{ - sp<IAudioFlinger> af = AudioSystem::get_audio_flinger(); - if (af == 0) return PERMISSION_DENIED; - - return af->setStreamOutput(stream, output); -} - - -void AudioPolicyService::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs, int delayMs) -{ - mAudioCommandThread->parametersCommand((int)ioHandle, keyValuePairs, delayMs); -} - -String8 AudioPolicyService::getParameters(audio_io_handle_t ioHandle, const String8& keys) -{ - String8 result = AudioSystem::getParameters(ioHandle, keys); - return result; -} - -status_t AudioPolicyService::startTone(ToneGenerator::tone_type tone, AudioSystem::stream_type stream) -{ - mTonePlaybackThread->startToneCommand(tone, stream); - return NO_ERROR; -} - -status_t AudioPolicyService::stopTone() -{ - mTonePlaybackThread->stopToneCommand(); - return NO_ERROR; -} - -status_t AudioPolicyService::setVoiceVolume(float volume, int delayMs) -{ - return mAudioCommandThread->voiceVolumeCommand(volume, delayMs); -} - -// ----------- AudioPolicyService::AudioCommandThread implementation ---------- - -AudioPolicyService::AudioCommandThread::AudioCommandThread(String8 name) - : Thread(false), mName(name) -{ - mpToneGenerator = NULL; -} - - -AudioPolicyService::AudioCommandThread::~AudioCommandThread() -{ - if (mName != "" && !mAudioCommands.isEmpty()) { - release_wake_lock(mName.string()); - } - mAudioCommands.clear(); - if (mpToneGenerator != NULL) delete mpToneGenerator; -} - -void AudioPolicyService::AudioCommandThread::onFirstRef() -{ - if (mName != "") { - run(mName.string(), ANDROID_PRIORITY_AUDIO); - } else { - run("AudioCommandThread", ANDROID_PRIORITY_AUDIO); - } -} - -bool AudioPolicyService::AudioCommandThread::threadLoop() -{ - nsecs_t waitTime = INT64_MAX; - - mLock.lock(); - while (!exitPending()) - { - while(!mAudioCommands.isEmpty()) { - nsecs_t curTime = systemTime(); - // commands are sorted by increasing time stamp: execute them from index 0 and up - if (mAudioCommands[0]->mTime <= curTime) { - AudioCommand *command = mAudioCommands[0]; - mAudioCommands.removeAt(0); - mLastCommand = *command; - - switch (command->mCommand) { - case START_TONE: { - mLock.unlock(); - ToneData *data = (ToneData *)command->mParam; - LOGV("AudioCommandThread() processing start tone %d on stream %d", - data->mType, data->mStream); - if (mpToneGenerator != NULL) - delete mpToneGenerator; - mpToneGenerator = new ToneGenerator(data->mStream, 1.0); - mpToneGenerator->startTone(data->mType); - delete data; - mLock.lock(); - }break; - case STOP_TONE: { - mLock.unlock(); - LOGV("AudioCommandThread() processing stop tone"); - if (mpToneGenerator != NULL) { - mpToneGenerator->stopTone(); - delete mpToneGenerator; - mpToneGenerator = NULL; - } - mLock.lock(); - }break; - case SET_VOLUME: { - VolumeData *data = (VolumeData *)command->mParam; - LOGV("AudioCommandThread() processing set volume stream %d, volume %f, output %d", data->mStream, data->mVolume, data->mIO); - command->mStatus = AudioSystem::setStreamVolume(data->mStream, data->mVolume, data->mIO); - if (command->mWaitStatus) { - command->mCond.signal(); - mWaitWorkCV.wait(mLock); - } - delete data; - }break; - case SET_PARAMETERS: { - ParametersData *data = (ParametersData *)command->mParam; - LOGV("AudioCommandThread() processing set parameters string %s, io %d", data->mKeyValuePairs.string(), data->mIO); - command->mStatus = AudioSystem::setParameters(data->mIO, data->mKeyValuePairs); - if (command->mWaitStatus) { - command->mCond.signal(); - mWaitWorkCV.wait(mLock); - } - delete data; - }break; - case SET_VOICE_VOLUME: { - VoiceVolumeData *data = (VoiceVolumeData *)command->mParam; - LOGV("AudioCommandThread() processing set voice volume volume %f", data->mVolume); - command->mStatus = AudioSystem::setVoiceVolume(data->mVolume); - if (command->mWaitStatus) { - command->mCond.signal(); - mWaitWorkCV.wait(mLock); - } - delete data; - }break; - default: - LOGW("AudioCommandThread() unknown command %d", command->mCommand); - } - delete command; - waitTime = INT64_MAX; - } else { - waitTime = mAudioCommands[0]->mTime - curTime; - break; - } - } - // release delayed commands wake lock - if (mName != "" && mAudioCommands.isEmpty()) { - release_wake_lock(mName.string()); - } - LOGV("AudioCommandThread() going to sleep"); - mWaitWorkCV.waitRelative(mLock, waitTime); - LOGV("AudioCommandThread() waking up"); - } - mLock.unlock(); - return false; -} - -status_t AudioPolicyService::AudioCommandThread::dump(int fd) -{ - const size_t SIZE = 256; - char buffer[SIZE]; - String8 result; - - snprintf(buffer, SIZE, "AudioCommandThread %p Dump\n", this); - result.append(buffer); - write(fd, result.string(), result.size()); - - bool locked = tryLock(mLock); - if (!locked) { - String8 result2(kCmdDeadlockedString); - write(fd, result2.string(), result2.size()); - } - - snprintf(buffer, SIZE, "- Commands:\n"); - result = String8(buffer); - result.append(" Command Time Wait pParam\n"); - for (int i = 0; i < (int)mAudioCommands.size(); i++) { - mAudioCommands[i]->dump(buffer, SIZE); - result.append(buffer); - } - result.append(" Last Command\n"); - mLastCommand.dump(buffer, SIZE); - result.append(buffer); - - write(fd, result.string(), result.size()); - - if (locked) mLock.unlock(); - - return NO_ERROR; -} - -void AudioPolicyService::AudioCommandThread::startToneCommand(int type, int stream) -{ - AudioCommand *command = new AudioCommand(); - command->mCommand = START_TONE; - ToneData *data = new ToneData(); - data->mType = type; - data->mStream = stream; - command->mParam = (void *)data; - command->mWaitStatus = false; - Mutex::Autolock _l(mLock); - insertCommand_l(command); - LOGV("AudioCommandThread() adding tone start type %d, stream %d", type, stream); - mWaitWorkCV.signal(); -} - -void AudioPolicyService::AudioCommandThread::stopToneCommand() -{ - AudioCommand *command = new AudioCommand(); - command->mCommand = STOP_TONE; - command->mParam = NULL; - command->mWaitStatus = false; - Mutex::Autolock _l(mLock); - insertCommand_l(command); - LOGV("AudioCommandThread() adding tone stop"); - mWaitWorkCV.signal(); -} - -status_t AudioPolicyService::AudioCommandThread::volumeCommand(int stream, float volume, int output, int delayMs) -{ - status_t status = NO_ERROR; - - AudioCommand *command = new AudioCommand(); - command->mCommand = SET_VOLUME; - VolumeData *data = new VolumeData(); - data->mStream = stream; - data->mVolume = volume; - data->mIO = output; - command->mParam = data; - if (delayMs == 0) { - command->mWaitStatus = true; - } else { - command->mWaitStatus = false; - } - Mutex::Autolock _l(mLock); - insertCommand_l(command, delayMs); - LOGV("AudioCommandThread() adding set volume stream %d, volume %f, output %d", stream, volume, output); - mWaitWorkCV.signal(); - if (command->mWaitStatus) { - command->mCond.wait(mLock); - status = command->mStatus; - mWaitWorkCV.signal(); - } - return status; -} - -status_t AudioPolicyService::AudioCommandThread::parametersCommand(int ioHandle, const String8& keyValuePairs, int delayMs) -{ - status_t status = NO_ERROR; - - AudioCommand *command = new AudioCommand(); - command->mCommand = SET_PARAMETERS; - ParametersData *data = new ParametersData(); - data->mIO = ioHandle; - data->mKeyValuePairs = keyValuePairs; - command->mParam = data; - if (delayMs == 0) { - command->mWaitStatus = true; - } else { - command->mWaitStatus = false; - } - Mutex::Autolock _l(mLock); - insertCommand_l(command, delayMs); - LOGV("AudioCommandThread() adding set parameter string %s, io %d ,delay %d", keyValuePairs.string(), ioHandle, delayMs); - mWaitWorkCV.signal(); - if (command->mWaitStatus) { - command->mCond.wait(mLock); - status = command->mStatus; - mWaitWorkCV.signal(); - } - return status; -} - -status_t AudioPolicyService::AudioCommandThread::voiceVolumeCommand(float volume, int delayMs) -{ - status_t status = NO_ERROR; - - AudioCommand *command = new AudioCommand(); - command->mCommand = SET_VOICE_VOLUME; - VoiceVolumeData *data = new VoiceVolumeData(); - data->mVolume = volume; - command->mParam = data; - if (delayMs == 0) { - command->mWaitStatus = true; - } else { - command->mWaitStatus = false; - } - Mutex::Autolock _l(mLock); - insertCommand_l(command, delayMs); - LOGV("AudioCommandThread() adding set voice volume volume %f", volume); - mWaitWorkCV.signal(); - if (command->mWaitStatus) { - command->mCond.wait(mLock); - status = command->mStatus; - mWaitWorkCV.signal(); - } - return status; -} - -// insertCommand_l() must be called with mLock held -void AudioPolicyService::AudioCommandThread::insertCommand_l(AudioCommand *command, int delayMs) -{ - ssize_t i; - Vector <AudioCommand *> removedCommands; - - command->mTime = systemTime() + milliseconds(delayMs); - - // acquire wake lock to make sure delayed commands are processed - if (mName != "" && mAudioCommands.isEmpty()) { - acquire_wake_lock(PARTIAL_WAKE_LOCK, mName.string()); - } - - // check same pending commands with later time stamps and eliminate them - for (i = mAudioCommands.size()-1; i >= 0; i--) { - AudioCommand *command2 = mAudioCommands[i]; - // commands are sorted by increasing time stamp: no need to scan the rest of mAudioCommands - if (command2->mTime <= command->mTime) break; - if (command2->mCommand != command->mCommand) continue; - - switch (command->mCommand) { - case SET_PARAMETERS: { - ParametersData *data = (ParametersData *)command->mParam; - ParametersData *data2 = (ParametersData *)command2->mParam; - if (data->mIO != data2->mIO) break; - LOGV("Comparing parameter command %s to new command %s", data2->mKeyValuePairs.string(), data->mKeyValuePairs.string()); - AudioParameter param = AudioParameter(data->mKeyValuePairs); - AudioParameter param2 = AudioParameter(data2->mKeyValuePairs); - for (size_t j = 0; j < param.size(); j++) { - String8 key; - String8 value; - param.getAt(j, key, value); - for (size_t k = 0; k < param2.size(); k++) { - String8 key2; - String8 value2; - param2.getAt(k, key2, value2); - if (key2 == key) { - param2.remove(key2); - LOGV("Filtering out parameter %s", key2.string()); - break; - } - } - } - // if all keys have been filtered out, remove the command. - // otherwise, update the key value pairs - if (param2.size() == 0) { - removedCommands.add(command2); - } else { - data2->mKeyValuePairs = param2.toString(); - } - } break; - - case SET_VOLUME: { - VolumeData *data = (VolumeData *)command->mParam; - VolumeData *data2 = (VolumeData *)command2->mParam; - if (data->mIO != data2->mIO) break; - if (data->mStream != data2->mStream) break; - LOGV("Filtering out volume command on output %d for stream %d", data->mIO, data->mStream); - removedCommands.add(command2); - } break; - case START_TONE: - case STOP_TONE: - default: - break; - } - } - - // remove filtered commands - for (size_t j = 0; j < removedCommands.size(); j++) { - // removed commands always have time stamps greater than current command - for (size_t k = i + 1; k < mAudioCommands.size(); k++) { - if (mAudioCommands[k] == removedCommands[j]) { - LOGV("suppressing command: %d", mAudioCommands[k]->mCommand); - mAudioCommands.removeAt(k); - break; - } - } - } - removedCommands.clear(); - - // insert command at the right place according to its time stamp - LOGV("inserting command: %d at index %d, num commands %d", command->mCommand, (int)i+1, mAudioCommands.size()); - mAudioCommands.insertAt(command, i + 1); -} - -void AudioPolicyService::AudioCommandThread::exit() -{ - LOGV("AudioCommandThread::exit"); - { - AutoMutex _l(mLock); - requestExit(); - mWaitWorkCV.signal(); - } - requestExitAndWait(); -} - -void AudioPolicyService::AudioCommandThread::AudioCommand::dump(char* buffer, size_t size) -{ - snprintf(buffer, size, " %02d %06d.%03d %01u %p\n", - mCommand, - (int)ns2s(mTime), - (int)ns2ms(mTime)%1000, - mWaitStatus, - mParam); -} - -}; // namespace android |