move audio policy service to a separate library
Change-Id: Ibc3ef07aa9860b7fd4f9aaff27b0dbe0dcbf1cbf
diff --git a/services/audioflinger/Android.mk b/services/audioflinger/Android.mk
index 4524d3c..f1ab072 100644
--- a/services/audioflinger/Android.mk
+++ b/services/audioflinger/Android.mk
@@ -13,6 +13,16 @@
include $(CLEAR_VARS)
+LOCAL_SRC_FILES := \
+ ServiceUtilities.cpp
+
+# FIXME Move this library to frameworks/native
+LOCAL_MODULE := libserviceutility
+
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
LOCAL_SRC_FILES:= \
AudioFlinger.cpp \
Threads.cpp \
@@ -20,8 +30,6 @@
Effects.cpp \
AudioMixer.cpp.arm \
AudioResampler.cpp.arm \
- AudioPolicyService.cpp \
- ServiceUtilities.cpp \
AudioResamplerCubic.cpp.arm \
AudioResamplerSinc.cpp.arm \
AudioResamplerDyn.cpp.arm
@@ -29,6 +37,7 @@
LOCAL_SRC_FILES += StateQueue.cpp
LOCAL_C_INCLUDES := \
+ $(TOPDIR)frameworks/av/services/audiopolicy \
$(call include-path-for, audio-effects) \
$(call include-path-for, audio-utils)
@@ -50,7 +59,8 @@
LOCAL_STATIC_LIBRARIES := \
libscheduling_policy \
libcpustats \
- libmedia_helper
+ libmedia_helper \
+ libserviceutility
LOCAL_MODULE:= libaudioflinger
diff --git a/services/audioflinger/AudioPolicyService.cpp b/services/audioflinger/AudioPolicyService.cpp
deleted file mode 100644
index 41bd990..0000000
--- a/services/audioflinger/AudioPolicyService.cpp
+++ /dev/null
@@ -1,1695 +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
-
-#include "Configuration.h"
-#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 "ServiceUtilities.h"
-#include <hardware_legacy/power.h>
-#include <media/AudioEffect.h>
-#include <media/EffectsFactoryApi.h>
-
-#include <hardware/hardware.h>
-#include <system/audio.h>
-#include <system/audio_policy.h>
-#include <hardware/audio_policy.h>
-#include <audio_effects/audio_effects_conf.h>
-#include <media/AudioParameter.h>
-
-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 kDumpLockSleepUs = 20000;
-
-static const nsecs_t kAudioCommandTimeout = 3000000000LL; // 3 seconds
-
-namespace {
- extern struct audio_policy_service_ops aps_ops;
-};
-
-// ----------------------------------------------------------------------------
-
-AudioPolicyService::AudioPolicyService()
- : BnAudioPolicyService(), mpAudioPolicyDev(NULL), mpAudioPolicy(NULL)
-{
- char value[PROPERTY_VALUE_MAX];
- const struct hw_module_t *module;
- int forced_val;
- int rc;
-
- Mutex::Autolock _l(mLock);
-
- // start tone playback thread
- mTonePlaybackThread = new AudioCommandThread(String8("ApmTone"), this);
- // start audio commands thread
- mAudioCommandThread = new AudioCommandThread(String8("ApmAudio"), this);
- // start output activity command thread
- mOutputCommandThread = new AudioCommandThread(String8("ApmOutput"), this);
- /* instantiate the audio policy manager */
- rc = hw_get_module(AUDIO_POLICY_HARDWARE_MODULE_ID, &module);
- if (rc) {
- return;
- }
-
- rc = audio_policy_dev_open(module, &mpAudioPolicyDev);
- ALOGE_IF(rc, "couldn't open audio policy device (%s)", strerror(-rc));
- if (rc) {
- return;
- }
-
- rc = mpAudioPolicyDev->create_audio_policy(mpAudioPolicyDev, &aps_ops, this,
- &mpAudioPolicy);
- ALOGE_IF(rc, "couldn't create audio policy (%s)", strerror(-rc));
- if (rc) {
- return;
- }
-
- rc = mpAudioPolicy->init_check(mpAudioPolicy);
- ALOGE_IF(rc, "couldn't init_check the audio policy (%s)", strerror(-rc));
- if (rc) {
- return;
- }
-
- ALOGI("Loaded audio policy from %s (%s)", module->name, module->id);
-
- // load audio pre processing modules
- if (access(AUDIO_EFFECT_VENDOR_CONFIG_FILE, R_OK) == 0) {
- loadPreProcessorConfig(AUDIO_EFFECT_VENDOR_CONFIG_FILE);
- } else if (access(AUDIO_EFFECT_DEFAULT_CONFIG_FILE, R_OK) == 0) {
- loadPreProcessorConfig(AUDIO_EFFECT_DEFAULT_CONFIG_FILE);
- }
-}
-
-AudioPolicyService::~AudioPolicyService()
-{
- mTonePlaybackThread->exit();
- mTonePlaybackThread.clear();
- mAudioCommandThread->exit();
- mAudioCommandThread.clear();
-
-
- // release audio pre processing resources
- for (size_t i = 0; i < mInputSources.size(); i++) {
- delete mInputSources.valueAt(i);
- }
- mInputSources.clear();
-
- for (size_t i = 0; i < mInputs.size(); i++) {
- mInputs.valueAt(i)->mEffects.clear();
- delete mInputs.valueAt(i);
- }
- mInputs.clear();
-
- if (mpAudioPolicy != NULL && mpAudioPolicyDev != NULL) {
- mpAudioPolicyDev->destroy_audio_policy(mpAudioPolicyDev, mpAudioPolicy);
- }
- if (mpAudioPolicyDev != NULL) {
- audio_policy_dev_close(mpAudioPolicyDev);
- }
-}
-
-status_t AudioPolicyService::setDeviceConnectionState(audio_devices_t device,
- audio_policy_dev_state_t state,
- const char *device_address)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- if (!settingsAllowed()) {
- return PERMISSION_DENIED;
- }
- if (!audio_is_output_device(device) && !audio_is_input_device(device)) {
- return BAD_VALUE;
- }
- if (state != AUDIO_POLICY_DEVICE_STATE_AVAILABLE &&
- state != AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE) {
- return BAD_VALUE;
- }
-
- ALOGV("setDeviceConnectionState()");
- Mutex::Autolock _l(mLock);
- return mpAudioPolicy->set_device_connection_state(mpAudioPolicy, device,
- state, device_address);
-}
-
-audio_policy_dev_state_t AudioPolicyService::getDeviceConnectionState(
- audio_devices_t device,
- const char *device_address)
-{
- if (mpAudioPolicy == NULL) {
- return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
- }
- return mpAudioPolicy->get_device_connection_state(mpAudioPolicy, device,
- device_address);
-}
-
-status_t AudioPolicyService::setPhoneState(audio_mode_t state)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- if (!settingsAllowed()) {
- return PERMISSION_DENIED;
- }
- if (uint32_t(state) >= AUDIO_MODE_CNT) {
- return BAD_VALUE;
- }
-
- ALOGV("setPhoneState()");
-
- // TODO: check if it is more appropriate to do it in platform specific policy manager
- AudioSystem::setMode(state);
-
- Mutex::Autolock _l(mLock);
- mpAudioPolicy->set_phone_state(mpAudioPolicy, state);
- return NO_ERROR;
-}
-
-status_t AudioPolicyService::setForceUse(audio_policy_force_use_t usage,
- audio_policy_forced_cfg_t config)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- if (!settingsAllowed()) {
- return PERMISSION_DENIED;
- }
- if (usage < 0 || usage >= AUDIO_POLICY_FORCE_USE_CNT) {
- return BAD_VALUE;
- }
- if (config < 0 || config >= AUDIO_POLICY_FORCE_CFG_CNT) {
- return BAD_VALUE;
- }
- ALOGV("setForceUse()");
- Mutex::Autolock _l(mLock);
- mpAudioPolicy->set_force_use(mpAudioPolicy, usage, config);
- return NO_ERROR;
-}
-
-audio_policy_forced_cfg_t AudioPolicyService::getForceUse(audio_policy_force_use_t usage)
-{
- if (mpAudioPolicy == NULL) {
- return AUDIO_POLICY_FORCE_NONE;
- }
- if (usage < 0 || usage >= AUDIO_POLICY_FORCE_USE_CNT) {
- return AUDIO_POLICY_FORCE_NONE;
- }
- return mpAudioPolicy->get_force_use(mpAudioPolicy, usage);
-}
-
-audio_io_handle_t AudioPolicyService::getOutput(audio_stream_type_t stream,
- uint32_t samplingRate,
- audio_format_t format,
- audio_channel_mask_t channelMask,
- audio_output_flags_t flags,
- const audio_offload_info_t *offloadInfo)
-{
- if (mpAudioPolicy == NULL) {
- return 0;
- }
- ALOGV("getOutput()");
- Mutex::Autolock _l(mLock);
- return mpAudioPolicy->get_output(mpAudioPolicy, stream, samplingRate,
- format, channelMask, flags, offloadInfo);
-}
-
-status_t AudioPolicyService::startOutput(audio_io_handle_t output,
- audio_stream_type_t stream,
- int session)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- ALOGV("startOutput()");
- Mutex::Autolock _l(mLock);
- return mpAudioPolicy->start_output(mpAudioPolicy, output, stream, session);
-}
-
-status_t AudioPolicyService::stopOutput(audio_io_handle_t output,
- audio_stream_type_t stream,
- int session)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- ALOGV("stopOutput()");
- mOutputCommandThread->stopOutputCommand(output, stream, session);
- return NO_ERROR;
-}
-
-status_t AudioPolicyService::doStopOutput(audio_io_handle_t output,
- audio_stream_type_t stream,
- int session)
-{
- ALOGV("doStopOutput from tid %d", gettid());
- Mutex::Autolock _l(mLock);
- return mpAudioPolicy->stop_output(mpAudioPolicy, output, stream, session);
-}
-
-void AudioPolicyService::releaseOutput(audio_io_handle_t output)
-{
- if (mpAudioPolicy == NULL) {
- return;
- }
- ALOGV("releaseOutput()");
- mOutputCommandThread->releaseOutputCommand(output);
-}
-
-void AudioPolicyService::doReleaseOutput(audio_io_handle_t output)
-{
- ALOGV("doReleaseOutput from tid %d", gettid());
- Mutex::Autolock _l(mLock);
- mpAudioPolicy->release_output(mpAudioPolicy, output);
-}
-
-audio_io_handle_t AudioPolicyService::getInput(audio_source_t inputSource,
- uint32_t samplingRate,
- audio_format_t format,
- audio_channel_mask_t channelMask,
- int audioSession)
-{
- if (mpAudioPolicy == NULL) {
- return 0;
- }
- // already checked by client, but double-check in case the client wrapper is bypassed
- if (inputSource >= AUDIO_SOURCE_CNT && inputSource != AUDIO_SOURCE_HOTWORD) {
- return 0;
- }
-
- if ((inputSource == AUDIO_SOURCE_HOTWORD) && !captureHotwordAllowed()) {
- return 0;
- }
-
- Mutex::Autolock _l(mLock);
- // the audio_in_acoustics_t parameter is ignored by get_input()
- audio_io_handle_t input = mpAudioPolicy->get_input(mpAudioPolicy, inputSource, samplingRate,
- format, channelMask, (audio_in_acoustics_t) 0);
-
- if (input == 0) {
- return input;
- }
- // create audio pre processors according to input source
- audio_source_t aliasSource = (inputSource == AUDIO_SOURCE_HOTWORD) ?
- AUDIO_SOURCE_VOICE_RECOGNITION : inputSource;
-
- ssize_t index = mInputSources.indexOfKey(aliasSource);
- if (index < 0) {
- return input;
- }
- ssize_t idx = mInputs.indexOfKey(input);
- InputDesc *inputDesc;
- if (idx < 0) {
- inputDesc = new InputDesc(audioSession);
- mInputs.add(input, inputDesc);
- } else {
- inputDesc = mInputs.valueAt(idx);
- }
-
- Vector <EffectDesc *> effects = mInputSources.valueAt(index)->mEffects;
- for (size_t i = 0; i < effects.size(); i++) {
- EffectDesc *effect = effects[i];
- sp<AudioEffect> fx = new AudioEffect(NULL, &effect->mUuid, -1, 0, 0, audioSession, input);
- status_t status = fx->initCheck();
- if (status != NO_ERROR && status != ALREADY_EXISTS) {
- ALOGW("Failed to create Fx %s on input %d", effect->mName, input);
- // fx goes out of scope and strong ref on AudioEffect is released
- continue;
- }
- for (size_t j = 0; j < effect->mParams.size(); j++) {
- fx->setParameter(effect->mParams[j]);
- }
- inputDesc->mEffects.add(fx);
- }
- setPreProcessorEnabled(inputDesc, true);
- return input;
-}
-
-status_t AudioPolicyService::startInput(audio_io_handle_t input)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- Mutex::Autolock _l(mLock);
-
- return mpAudioPolicy->start_input(mpAudioPolicy, input);
-}
-
-status_t AudioPolicyService::stopInput(audio_io_handle_t input)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- Mutex::Autolock _l(mLock);
-
- return mpAudioPolicy->stop_input(mpAudioPolicy, input);
-}
-
-void AudioPolicyService::releaseInput(audio_io_handle_t input)
-{
- if (mpAudioPolicy == NULL) {
- return;
- }
- Mutex::Autolock _l(mLock);
- mpAudioPolicy->release_input(mpAudioPolicy, input);
-
- ssize_t index = mInputs.indexOfKey(input);
- if (index < 0) {
- return;
- }
- InputDesc *inputDesc = mInputs.valueAt(index);
- setPreProcessorEnabled(inputDesc, false);
- delete inputDesc;
- mInputs.removeItemsAt(index);
-}
-
-status_t AudioPolicyService::initStreamVolume(audio_stream_type_t stream,
- int indexMin,
- int indexMax)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- if (!settingsAllowed()) {
- return PERMISSION_DENIED;
- }
- if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
- return BAD_VALUE;
- }
- Mutex::Autolock _l(mLock);
- mpAudioPolicy->init_stream_volume(mpAudioPolicy, stream, indexMin, indexMax);
- return NO_ERROR;
-}
-
-status_t AudioPolicyService::setStreamVolumeIndex(audio_stream_type_t stream,
- int index,
- audio_devices_t device)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- if (!settingsAllowed()) {
- return PERMISSION_DENIED;
- }
- if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
- return BAD_VALUE;
- }
- Mutex::Autolock _l(mLock);
- if (mpAudioPolicy->set_stream_volume_index_for_device) {
- return mpAudioPolicy->set_stream_volume_index_for_device(mpAudioPolicy,
- stream,
- index,
- device);
- } else {
- return mpAudioPolicy->set_stream_volume_index(mpAudioPolicy, stream, index);
- }
-}
-
-status_t AudioPolicyService::getStreamVolumeIndex(audio_stream_type_t stream,
- int *index,
- audio_devices_t device)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
- return BAD_VALUE;
- }
- Mutex::Autolock _l(mLock);
- if (mpAudioPolicy->get_stream_volume_index_for_device) {
- return mpAudioPolicy->get_stream_volume_index_for_device(mpAudioPolicy,
- stream,
- index,
- device);
- } else {
- return mpAudioPolicy->get_stream_volume_index(mpAudioPolicy, stream, index);
- }
-}
-
-uint32_t AudioPolicyService::getStrategyForStream(audio_stream_type_t stream)
-{
- if (mpAudioPolicy == NULL) {
- return 0;
- }
- return mpAudioPolicy->get_strategy_for_stream(mpAudioPolicy, stream);
-}
-
-//audio policy: use audio_device_t appropriately
-
-audio_devices_t AudioPolicyService::getDevicesForStream(audio_stream_type_t stream)
-{
- if (mpAudioPolicy == NULL) {
- return (audio_devices_t)0;
- }
- return mpAudioPolicy->get_devices_for_stream(mpAudioPolicy, stream);
-}
-
-audio_io_handle_t AudioPolicyService::getOutputForEffect(const effect_descriptor_t *desc)
-{
- // FIXME change return type to status_t, and return NO_INIT here
- if (mpAudioPolicy == NULL) {
- return 0;
- }
- Mutex::Autolock _l(mLock);
- return mpAudioPolicy->get_output_for_effect(mpAudioPolicy, desc);
-}
-
-status_t AudioPolicyService::registerEffect(const effect_descriptor_t *desc,
- audio_io_handle_t io,
- uint32_t strategy,
- int session,
- int id)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- return mpAudioPolicy->register_effect(mpAudioPolicy, desc, io, strategy, session, id);
-}
-
-status_t AudioPolicyService::unregisterEffect(int id)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- return mpAudioPolicy->unregister_effect(mpAudioPolicy, id);
-}
-
-status_t AudioPolicyService::setEffectEnabled(int id, bool enabled)
-{
- if (mpAudioPolicy == NULL) {
- return NO_INIT;
- }
- return mpAudioPolicy->set_effect_enabled(mpAudioPolicy, id, enabled);
-}
-
-bool AudioPolicyService::isStreamActive(audio_stream_type_t stream, uint32_t inPastMs) const
-{
- if (mpAudioPolicy == NULL) {
- return 0;
- }
- Mutex::Autolock _l(mLock);
- return mpAudioPolicy->is_stream_active(mpAudioPolicy, stream, inPastMs);
-}
-
-bool AudioPolicyService::isStreamActiveRemotely(audio_stream_type_t stream, uint32_t inPastMs) const
-{
- if (mpAudioPolicy == NULL) {
- return 0;
- }
- Mutex::Autolock _l(mLock);
- return mpAudioPolicy->is_stream_active_remotely(mpAudioPolicy, stream, inPastMs);
-}
-
-bool AudioPolicyService::isSourceActive(audio_source_t source) const
-{
- if (mpAudioPolicy == NULL) {
- return false;
- }
- if (mpAudioPolicy->is_source_active == 0) {
- return false;
- }
- Mutex::Autolock _l(mLock);
- return mpAudioPolicy->is_source_active(mpAudioPolicy, source);
-}
-
-status_t AudioPolicyService::queryDefaultPreProcessing(int audioSession,
- effect_descriptor_t *descriptors,
- uint32_t *count)
-{
-
- if (mpAudioPolicy == NULL) {
- *count = 0;
- return NO_INIT;
- }
- Mutex::Autolock _l(mLock);
- status_t status = NO_ERROR;
-
- size_t index;
- for (index = 0; index < mInputs.size(); index++) {
- if (mInputs.valueAt(index)->mSessionId == audioSession) {
- break;
- }
- }
- if (index == mInputs.size()) {
- *count = 0;
- return BAD_VALUE;
- }
- Vector< sp<AudioEffect> > effects = mInputs.valueAt(index)->mEffects;
-
- for (size_t i = 0; i < effects.size(); i++) {
- effect_descriptor_t desc = effects[i]->descriptor();
- if (i < *count) {
- descriptors[i] = desc;
- }
- }
- if (effects.size() > *count) {
- status = NO_MEMORY;
- }
- *count = effects.size();
- return status;
-}
-
-void AudioPolicyService::binderDied(const wp<IBinder>& who) {
- ALOGW("binderDied() %p, calling pid %d", who.unsafe_get(),
- 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(kDumpLockSleepUs);
- }
- 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", mpAudioPolicy);
- 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 __unused)
-{
- if (!dumpAllowed()) {
- dumpPermissionDenial(fd);
- } else {
- bool locked = tryLock(mLock);
- if (!locked) {
- String8 result(kDeadlockedString);
- write(fd, result.string(), result.size());
- }
-
- dumpInternals(fd);
- if (mAudioCommandThread != 0) {
- mAudioCommandThread->dump(fd);
- }
- if (mTonePlaybackThread != 0) {
- mTonePlaybackThread->dump(fd);
- }
-
- if (mpAudioPolicy) {
- mpAudioPolicy->dump(mpAudioPolicy, 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;
-}
-
-void AudioPolicyService::setPreProcessorEnabled(const InputDesc *inputDesc, bool enabled)
-{
- const Vector<sp<AudioEffect> > &fxVector = inputDesc->mEffects;
- for (size_t i = 0; i < fxVector.size(); i++) {
- fxVector.itemAt(i)->setEnabled(enabled);
- }
-}
-
-status_t AudioPolicyService::onTransact(
- uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
- return BnAudioPolicyService::onTransact(code, data, reply, flags);
-}
-
-
-// ----------- AudioPolicyService::AudioCommandThread implementation ----------
-
-AudioPolicyService::AudioCommandThread::AudioCommandThread(String8 name,
- const wp<AudioPolicyService>& service)
- : Thread(false), mName(name), mService(service)
-{
- mpToneGenerator = NULL;
-}
-
-
-AudioPolicyService::AudioCommandThread::~AudioCommandThread()
-{
- if (!mAudioCommands.isEmpty()) {
- release_wake_lock(mName.string());
- }
- mAudioCommands.clear();
- delete mpToneGenerator;
-}
-
-void AudioPolicyService::AudioCommandThread::onFirstRef()
-{
- run(mName.string(), 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;
- ALOGV("AudioCommandThread() processing start tone %d on stream %d",
- data->mType, data->mStream);
- delete mpToneGenerator;
- mpToneGenerator = new ToneGenerator(data->mStream, 1.0);
- mpToneGenerator->startTone(data->mType);
- delete data;
- mLock.lock();
- }break;
- case STOP_TONE: {
- mLock.unlock();
- ALOGV("AudioCommandThread() processing stop tone");
- if (mpToneGenerator != NULL) {
- mpToneGenerator->stopTone();
- delete mpToneGenerator;
- mpToneGenerator = NULL;
- }
- mLock.lock();
- }break;
- case SET_VOLUME: {
- VolumeData *data = (VolumeData *)command->mParam;
- ALOGV("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();
- command->mCond.waitRelative(mLock, kAudioCommandTimeout);
- }
- delete data;
- }break;
- case SET_PARAMETERS: {
- ParametersData *data = (ParametersData *)command->mParam;
- ALOGV("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();
- command->mCond.waitRelative(mLock, kAudioCommandTimeout);
- }
- delete data;
- }break;
- case SET_VOICE_VOLUME: {
- VoiceVolumeData *data = (VoiceVolumeData *)command->mParam;
- ALOGV("AudioCommandThread() processing set voice volume volume %f",
- data->mVolume);
- command->mStatus = AudioSystem::setVoiceVolume(data->mVolume);
- if (command->mWaitStatus) {
- command->mCond.signal();
- command->mCond.waitRelative(mLock, kAudioCommandTimeout);
- }
- delete data;
- }break;
- case STOP_OUTPUT: {
- StopOutputData *data = (StopOutputData *)command->mParam;
- ALOGV("AudioCommandThread() processing stop output %d",
- data->mIO);
- sp<AudioPolicyService> svc = mService.promote();
- if (svc == 0) {
- break;
- }
- mLock.unlock();
- svc->doStopOutput(data->mIO, data->mStream, data->mSession);
- mLock.lock();
- delete data;
- }break;
- case RELEASE_OUTPUT: {
- ReleaseOutputData *data = (ReleaseOutputData *)command->mParam;
- ALOGV("AudioCommandThread() processing release output %d",
- data->mIO);
- sp<AudioPolicyService> svc = mService.promote();
- if (svc == 0) {
- break;
- }
- mLock.unlock();
- svc->doReleaseOutput(data->mIO);
- mLock.lock();
- delete data;
- }break;
- default:
- ALOGW("AudioCommandThread() unknown command %d", command->mCommand);
- }
- delete command;
- waitTime = INT64_MAX;
- } else {
- waitTime = mAudioCommands[0]->mTime - curTime;
- break;
- }
- }
- // release delayed commands wake lock
- if (mAudioCommands.isEmpty()) {
- release_wake_lock(mName.string());
- }
- ALOGV("AudioCommandThread() going to sleep");
- mWaitWorkCV.waitRelative(mLock, waitTime);
- ALOGV("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 (size_t i = 0; i < 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(ToneGenerator::tone_type type,
- audio_stream_type_t stream)
-{
- AudioCommand *command = new AudioCommand();
- command->mCommand = START_TONE;
- ToneData *data = new ToneData();
- data->mType = type;
- data->mStream = stream;
- command->mParam = (void *)data;
- Mutex::Autolock _l(mLock);
- insertCommand_l(command);
- ALOGV("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;
- Mutex::Autolock _l(mLock);
- insertCommand_l(command);
- ALOGV("AudioCommandThread() adding tone stop");
- mWaitWorkCV.signal();
-}
-
-status_t AudioPolicyService::AudioCommandThread::volumeCommand(audio_stream_type_t stream,
- float volume,
- audio_io_handle_t 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;
- Mutex::Autolock _l(mLock);
- insertCommand_l(command, delayMs);
- ALOGV("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;
- command->mCond.signal();
- }
- return status;
-}
-
-status_t AudioPolicyService::AudioCommandThread::parametersCommand(audio_io_handle_t ioHandle,
- const char *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 = String8(keyValuePairs);
- command->mParam = data;
- Mutex::Autolock _l(mLock);
- insertCommand_l(command, delayMs);
- ALOGV("AudioCommandThread() adding set parameter string %s, io %d ,delay %d",
- keyValuePairs, ioHandle, delayMs);
- mWaitWorkCV.signal();
- if (command->mWaitStatus) {
- command->mCond.wait(mLock);
- status = command->mStatus;
- command->mCond.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;
- Mutex::Autolock _l(mLock);
- insertCommand_l(command, delayMs);
- ALOGV("AudioCommandThread() adding set voice volume volume %f", volume);
- mWaitWorkCV.signal();
- if (command->mWaitStatus) {
- command->mCond.wait(mLock);
- status = command->mStatus;
- command->mCond.signal();
- }
- return status;
-}
-
-void AudioPolicyService::AudioCommandThread::stopOutputCommand(audio_io_handle_t output,
- audio_stream_type_t stream,
- int session)
-{
- AudioCommand *command = new AudioCommand();
- command->mCommand = STOP_OUTPUT;
- StopOutputData *data = new StopOutputData();
- data->mIO = output;
- data->mStream = stream;
- data->mSession = session;
- command->mParam = (void *)data;
- Mutex::Autolock _l(mLock);
- insertCommand_l(command);
- ALOGV("AudioCommandThread() adding stop output %d", output);
- mWaitWorkCV.signal();
-}
-
-void AudioPolicyService::AudioCommandThread::releaseOutputCommand(audio_io_handle_t output)
-{
- AudioCommand *command = new AudioCommand();
- command->mCommand = RELEASE_OUTPUT;
- ReleaseOutputData *data = new ReleaseOutputData();
- data->mIO = output;
- command->mParam = (void *)data;
- Mutex::Autolock _l(mLock);
- insertCommand_l(command);
- ALOGV("AudioCommandThread() adding release output %d", output);
- mWaitWorkCV.signal();
-}
-
-// insertCommand_l() must be called with mLock held
-void AudioPolicyService::AudioCommandThread::insertCommand_l(AudioCommand *command, int delayMs)
-{
- ssize_t i; // not size_t because i will count down to -1
- Vector <AudioCommand *> removedCommands;
- command->mTime = systemTime() + milliseconds(delayMs);
-
- // acquire wake lock to make sure delayed commands are processed
- if (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;
- ALOGV("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);
- ALOGV("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();
- }
- command->mTime = command2->mTime;
- // force delayMs to non 0 so that code below does not request to wait for
- // command status as the command is now delayed
- delayMs = 1;
- } 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;
- ALOGV("Filtering out volume command on output %d for stream %d",
- data->mIO, data->mStream);
- removedCommands.add(command2);
- command->mTime = command2->mTime;
- // force delayMs to non 0 so that code below does not request to wait for
- // command status as the command is now delayed
- delayMs = 1;
- } 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]) {
- ALOGV("suppressing command: %d", mAudioCommands[k]->mCommand);
- mAudioCommands.removeAt(k);
- break;
- }
- }
- }
- removedCommands.clear();
-
- // wait for status only if delay is 0
- if (delayMs == 0) {
- command->mWaitStatus = true;
- } else {
- command->mWaitStatus = false;
- }
-
- // insert command at the right place according to its time stamp
- ALOGV("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()
-{
- ALOGV("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);
-}
-
-/******* helpers for the service_ops callbacks defined below *********/
-void AudioPolicyService::setParameters(audio_io_handle_t ioHandle,
- const char *keyValuePairs,
- int delayMs)
-{
- mAudioCommandThread->parametersCommand(ioHandle, keyValuePairs,
- delayMs);
-}
-
-int AudioPolicyService::setStreamVolume(audio_stream_type_t stream,
- float volume,
- audio_io_handle_t output,
- int delayMs)
-{
- return (int)mAudioCommandThread->volumeCommand(stream, volume,
- output, delayMs);
-}
-
-int AudioPolicyService::startTone(audio_policy_tone_t tone,
- audio_stream_type_t stream)
-{
- if (tone != AUDIO_POLICY_TONE_IN_CALL_NOTIFICATION) {
- ALOGE("startTone: illegal tone requested (%d)", tone);
- }
- if (stream != AUDIO_STREAM_VOICE_CALL) {
- ALOGE("startTone: illegal stream (%d) requested for tone %d", stream,
- tone);
- }
- mTonePlaybackThread->startToneCommand(ToneGenerator::TONE_SUP_CALL_WAITING,
- AUDIO_STREAM_VOICE_CALL);
- return 0;
-}
-
-int AudioPolicyService::stopTone()
-{
- mTonePlaybackThread->stopToneCommand();
- return 0;
-}
-
-int AudioPolicyService::setVoiceVolume(float volume, int delayMs)
-{
- return (int)mAudioCommandThread->voiceVolumeCommand(volume, delayMs);
-}
-
-bool AudioPolicyService::isOffloadSupported(const audio_offload_info_t& info)
-{
- if (mpAudioPolicy == NULL) {
- ALOGV("mpAudioPolicy == NULL");
- return false;
- }
-
- if (mpAudioPolicy->is_offload_supported == NULL) {
- ALOGV("HAL does not implement is_offload_supported");
- return false;
- }
-
- return mpAudioPolicy->is_offload_supported(mpAudioPolicy, &info);
-}
-
-// ----------------------------------------------------------------------------
-// Audio pre-processing configuration
-// ----------------------------------------------------------------------------
-
-/*static*/ const char * const AudioPolicyService::kInputSourceNames[AUDIO_SOURCE_CNT -1] = {
- MIC_SRC_TAG,
- VOICE_UL_SRC_TAG,
- VOICE_DL_SRC_TAG,
- VOICE_CALL_SRC_TAG,
- CAMCORDER_SRC_TAG,
- VOICE_REC_SRC_TAG,
- VOICE_COMM_SRC_TAG
-};
-
-// returns the audio_source_t enum corresponding to the input source name or
-// AUDIO_SOURCE_CNT is no match found
-audio_source_t AudioPolicyService::inputSourceNameToEnum(const char *name)
-{
- int i;
- for (i = AUDIO_SOURCE_MIC; i < AUDIO_SOURCE_CNT; i++) {
- if (strcmp(name, kInputSourceNames[i - AUDIO_SOURCE_MIC]) == 0) {
- ALOGV("inputSourceNameToEnum found source %s %d", name, i);
- break;
- }
- }
- return (audio_source_t)i;
-}
-
-size_t AudioPolicyService::growParamSize(char *param,
- size_t size,
- size_t *curSize,
- size_t *totSize)
-{
- // *curSize is at least sizeof(effect_param_t) + 2 * sizeof(int)
- size_t pos = ((*curSize - 1 ) / size + 1) * size;
-
- if (pos + size > *totSize) {
- while (pos + size > *totSize) {
- *totSize += ((*totSize + 7) / 8) * 4;
- }
- param = (char *)realloc(param, *totSize);
- }
- *curSize = pos + size;
- return pos;
-}
-
-size_t AudioPolicyService::readParamValue(cnode *node,
- char *param,
- size_t *curSize,
- size_t *totSize)
-{
- if (strncmp(node->name, SHORT_TAG, sizeof(SHORT_TAG) + 1) == 0) {
- size_t pos = growParamSize(param, sizeof(short), curSize, totSize);
- *(short *)((char *)param + pos) = (short)atoi(node->value);
- ALOGV("readParamValue() reading short %d", *(short *)((char *)param + pos));
- return sizeof(short);
- } else if (strncmp(node->name, INT_TAG, sizeof(INT_TAG) + 1) == 0) {
- size_t pos = growParamSize(param, sizeof(int), curSize, totSize);
- *(int *)((char *)param + pos) = atoi(node->value);
- ALOGV("readParamValue() reading int %d", *(int *)((char *)param + pos));
- return sizeof(int);
- } else if (strncmp(node->name, FLOAT_TAG, sizeof(FLOAT_TAG) + 1) == 0) {
- size_t pos = growParamSize(param, sizeof(float), curSize, totSize);
- *(float *)((char *)param + pos) = (float)atof(node->value);
- ALOGV("readParamValue() reading float %f",*(float *)((char *)param + pos));
- return sizeof(float);
- } else if (strncmp(node->name, BOOL_TAG, sizeof(BOOL_TAG) + 1) == 0) {
- size_t pos = growParamSize(param, sizeof(bool), curSize, totSize);
- if (strncmp(node->value, "false", strlen("false") + 1) == 0) {
- *(bool *)((char *)param + pos) = false;
- } else {
- *(bool *)((char *)param + pos) = true;
- }
- ALOGV("readParamValue() reading bool %s",*(bool *)((char *)param + pos) ? "true" : "false");
- return sizeof(bool);
- } else if (strncmp(node->name, STRING_TAG, sizeof(STRING_TAG) + 1) == 0) {
- size_t len = strnlen(node->value, EFFECT_STRING_LEN_MAX);
- if (*curSize + len + 1 > *totSize) {
- *totSize = *curSize + len + 1;
- param = (char *)realloc(param, *totSize);
- }
- strncpy(param + *curSize, node->value, len);
- *curSize += len;
- param[*curSize] = '\0';
- ALOGV("readParamValue() reading string %s", param + *curSize - len);
- return len;
- }
- ALOGW("readParamValue() unknown param type %s", node->name);
- return 0;
-}
-
-effect_param_t *AudioPolicyService::loadEffectParameter(cnode *root)
-{
- cnode *param;
- cnode *value;
- size_t curSize = sizeof(effect_param_t);
- size_t totSize = sizeof(effect_param_t) + 2 * sizeof(int);
- effect_param_t *fx_param = (effect_param_t *)malloc(totSize);
-
- param = config_find(root, PARAM_TAG);
- value = config_find(root, VALUE_TAG);
- if (param == NULL && value == NULL) {
- // try to parse simple parameter form {int int}
- param = root->first_child;
- if (param != NULL) {
- // Note: that a pair of random strings is read as 0 0
- int *ptr = (int *)fx_param->data;
- int *ptr2 = (int *)((char *)param + sizeof(effect_param_t));
- ALOGW("loadEffectParameter() ptr %p ptr2 %p", ptr, ptr2);
- *ptr++ = atoi(param->name);
- *ptr = atoi(param->value);
- fx_param->psize = sizeof(int);
- fx_param->vsize = sizeof(int);
- return fx_param;
- }
- }
- if (param == NULL || value == NULL) {
- ALOGW("loadEffectParameter() invalid parameter description %s", root->name);
- goto error;
- }
-
- fx_param->psize = 0;
- param = param->first_child;
- while (param) {
- ALOGV("loadEffectParameter() reading param of type %s", param->name);
- size_t size = readParamValue(param, (char *)fx_param, &curSize, &totSize);
- if (size == 0) {
- goto error;
- }
- fx_param->psize += size;
- param = param->next;
- }
-
- // align start of value field on 32 bit boundary
- curSize = ((curSize - 1 ) / sizeof(int) + 1) * sizeof(int);
-
- fx_param->vsize = 0;
- value = value->first_child;
- while (value) {
- ALOGV("loadEffectParameter() reading value of type %s", value->name);
- size_t size = readParamValue(value, (char *)fx_param, &curSize, &totSize);
- if (size == 0) {
- goto error;
- }
- fx_param->vsize += size;
- value = value->next;
- }
-
- return fx_param;
-
-error:
- delete fx_param;
- return NULL;
-}
-
-void AudioPolicyService::loadEffectParameters(cnode *root, Vector <effect_param_t *>& params)
-{
- cnode *node = root->first_child;
- while (node) {
- ALOGV("loadEffectParameters() loading param %s", node->name);
- effect_param_t *param = loadEffectParameter(node);
- if (param == NULL) {
- node = node->next;
- continue;
- }
- params.add(param);
- node = node->next;
- }
-}
-
-AudioPolicyService::InputSourceDesc *AudioPolicyService::loadInputSource(
- cnode *root,
- const Vector <EffectDesc *>& effects)
-{
- cnode *node = root->first_child;
- if (node == NULL) {
- ALOGW("loadInputSource() empty element %s", root->name);
- return NULL;
- }
- InputSourceDesc *source = new InputSourceDesc();
- while (node) {
- size_t i;
- for (i = 0; i < effects.size(); i++) {
- if (strncmp(effects[i]->mName, node->name, EFFECT_STRING_LEN_MAX) == 0) {
- ALOGV("loadInputSource() found effect %s in list", node->name);
- break;
- }
- }
- if (i == effects.size()) {
- ALOGV("loadInputSource() effect %s not in list", node->name);
- node = node->next;
- continue;
- }
- EffectDesc *effect = new EffectDesc(*effects[i]); // deep copy
- loadEffectParameters(node, effect->mParams);
- ALOGV("loadInputSource() adding effect %s uuid %08x", effect->mName, effect->mUuid.timeLow);
- source->mEffects.add(effect);
- node = node->next;
- }
- if (source->mEffects.size() == 0) {
- ALOGW("loadInputSource() no valid effects found in source %s", root->name);
- delete source;
- return NULL;
- }
- return source;
-}
-
-status_t AudioPolicyService::loadInputSources(cnode *root, const Vector <EffectDesc *>& effects)
-{
- cnode *node = config_find(root, PREPROCESSING_TAG);
- if (node == NULL) {
- return -ENOENT;
- }
- node = node->first_child;
- while (node) {
- audio_source_t source = inputSourceNameToEnum(node->name);
- if (source == AUDIO_SOURCE_CNT) {
- ALOGW("loadInputSources() invalid input source %s", node->name);
- node = node->next;
- continue;
- }
- ALOGV("loadInputSources() loading input source %s", node->name);
- InputSourceDesc *desc = loadInputSource(node, effects);
- if (desc == NULL) {
- node = node->next;
- continue;
- }
- mInputSources.add(source, desc);
- node = node->next;
- }
- return NO_ERROR;
-}
-
-AudioPolicyService::EffectDesc *AudioPolicyService::loadEffect(cnode *root)
-{
- cnode *node = config_find(root, UUID_TAG);
- if (node == NULL) {
- return NULL;
- }
- effect_uuid_t uuid;
- if (AudioEffect::stringToGuid(node->value, &uuid) != NO_ERROR) {
- ALOGW("loadEffect() invalid uuid %s", node->value);
- return NULL;
- }
- return new EffectDesc(root->name, uuid);
-}
-
-status_t AudioPolicyService::loadEffects(cnode *root, Vector <EffectDesc *>& effects)
-{
- cnode *node = config_find(root, EFFECTS_TAG);
- if (node == NULL) {
- return -ENOENT;
- }
- node = node->first_child;
- while (node) {
- ALOGV("loadEffects() loading effect %s", node->name);
- EffectDesc *effect = loadEffect(node);
- if (effect == NULL) {
- node = node->next;
- continue;
- }
- effects.add(effect);
- node = node->next;
- }
- return NO_ERROR;
-}
-
-status_t AudioPolicyService::loadPreProcessorConfig(const char *path)
-{
- cnode *root;
- char *data;
-
- data = (char *)load_file(path, NULL);
- if (data == NULL) {
- return -ENODEV;
- }
- root = config_node("", "");
- config_load(root, data);
-
- Vector <EffectDesc *> effects;
- loadEffects(root, effects);
- loadInputSources(root, effects);
-
- // delete effects to fix memory leak.
- // as effects is local var and valgrind would treat this as memory leak
- // and although it only did in mediaserver init, but free it in case mediaserver reboot
- size_t i;
- for (i = 0; i < effects.size(); i++) {
- delete effects[i];
- }
-
- config_free(root);
- free(root);
- free(data);
-
- return NO_ERROR;
-}
-
-/* implementation of the interface to the policy manager */
-extern "C" {
-
-
-static audio_module_handle_t aps_load_hw_module(void *service __unused,
- const char *name)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- ALOGW("%s: could not get AudioFlinger", __func__);
- return 0;
- }
-
- return af->loadHwModule(name);
-}
-
-// deprecated: replaced by aps_open_output_on_module()
-static audio_io_handle_t aps_open_output(void *service __unused,
- audio_devices_t *pDevices,
- uint32_t *pSamplingRate,
- audio_format_t *pFormat,
- audio_channel_mask_t *pChannelMask,
- uint32_t *pLatencyMs,
- audio_output_flags_t flags)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- ALOGW("%s: could not get AudioFlinger", __func__);
- return 0;
- }
-
- return af->openOutput((audio_module_handle_t)0, pDevices, pSamplingRate, pFormat, pChannelMask,
- pLatencyMs, flags);
-}
-
-static audio_io_handle_t aps_open_output_on_module(void *service __unused,
- audio_module_handle_t module,
- audio_devices_t *pDevices,
- uint32_t *pSamplingRate,
- audio_format_t *pFormat,
- audio_channel_mask_t *pChannelMask,
- uint32_t *pLatencyMs,
- audio_output_flags_t flags,
- const audio_offload_info_t *offloadInfo)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- ALOGW("%s: could not get AudioFlinger", __func__);
- return 0;
- }
- return af->openOutput(module, pDevices, pSamplingRate, pFormat, pChannelMask,
- pLatencyMs, flags, offloadInfo);
-}
-
-static audio_io_handle_t aps_open_dup_output(void *service __unused,
- audio_io_handle_t output1,
- audio_io_handle_t output2)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- ALOGW("%s: could not get AudioFlinger", __func__);
- return 0;
- }
- return af->openDuplicateOutput(output1, output2);
-}
-
-static int aps_close_output(void *service __unused, audio_io_handle_t output)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- return PERMISSION_DENIED;
- }
-
- return af->closeOutput(output);
-}
-
-static int aps_suspend_output(void *service __unused, audio_io_handle_t output)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- ALOGW("%s: could not get AudioFlinger", __func__);
- return PERMISSION_DENIED;
- }
-
- return af->suspendOutput(output);
-}
-
-static int aps_restore_output(void *service __unused, audio_io_handle_t output)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- ALOGW("%s: could not get AudioFlinger", __func__);
- return PERMISSION_DENIED;
- }
-
- return af->restoreOutput(output);
-}
-
-// deprecated: replaced by aps_open_input_on_module(), and acoustics parameter is ignored
-static audio_io_handle_t aps_open_input(void *service __unused,
- audio_devices_t *pDevices,
- uint32_t *pSamplingRate,
- audio_format_t *pFormat,
- audio_channel_mask_t *pChannelMask,
- audio_in_acoustics_t acoustics __unused)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- ALOGW("%s: could not get AudioFlinger", __func__);
- return 0;
- }
-
- return af->openInput((audio_module_handle_t)0, pDevices, pSamplingRate, pFormat, pChannelMask);
-}
-
-static audio_io_handle_t aps_open_input_on_module(void *service __unused,
- audio_module_handle_t module,
- audio_devices_t *pDevices,
- uint32_t *pSamplingRate,
- audio_format_t *pFormat,
- audio_channel_mask_t *pChannelMask)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- ALOGW("%s: could not get AudioFlinger", __func__);
- return 0;
- }
-
- return af->openInput(module, pDevices, pSamplingRate, pFormat, pChannelMask);
-}
-
-static int aps_close_input(void *service __unused, audio_io_handle_t input)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- return PERMISSION_DENIED;
- }
-
- return af->closeInput(input);
-}
-
-static int aps_invalidate_stream(void *service __unused, audio_stream_type_t stream)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- return PERMISSION_DENIED;
- }
-
- return af->invalidateStream(stream);
-}
-
-static int aps_move_effects(void *service __unused, int session,
- audio_io_handle_t src_output,
- audio_io_handle_t dst_output)
-{
- sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
- if (af == 0) {
- return PERMISSION_DENIED;
- }
-
- return af->moveEffects(session, src_output, dst_output);
-}
-
-static char * aps_get_parameters(void *service __unused, audio_io_handle_t io_handle,
- const char *keys)
-{
- String8 result = AudioSystem::getParameters(io_handle, String8(keys));
- return strdup(result.string());
-}
-
-static void aps_set_parameters(void *service, audio_io_handle_t io_handle,
- const char *kv_pairs, int delay_ms)
-{
- AudioPolicyService *audioPolicyService = (AudioPolicyService *)service;
-
- audioPolicyService->setParameters(io_handle, kv_pairs, delay_ms);
-}
-
-static int aps_set_stream_volume(void *service, audio_stream_type_t stream,
- float volume, audio_io_handle_t output,
- int delay_ms)
-{
- AudioPolicyService *audioPolicyService = (AudioPolicyService *)service;
-
- return audioPolicyService->setStreamVolume(stream, volume, output,
- delay_ms);
-}
-
-static int aps_start_tone(void *service, audio_policy_tone_t tone,
- audio_stream_type_t stream)
-{
- AudioPolicyService *audioPolicyService = (AudioPolicyService *)service;
-
- return audioPolicyService->startTone(tone, stream);
-}
-
-static int aps_stop_tone(void *service)
-{
- AudioPolicyService *audioPolicyService = (AudioPolicyService *)service;
-
- return audioPolicyService->stopTone();
-}
-
-static int aps_set_voice_volume(void *service, float volume, int delay_ms)
-{
- AudioPolicyService *audioPolicyService = (AudioPolicyService *)service;
-
- return audioPolicyService->setVoiceVolume(volume, delay_ms);
-}
-
-}; // extern "C"
-
-namespace {
- struct audio_policy_service_ops aps_ops = {
- .open_output = aps_open_output,
- .open_duplicate_output = aps_open_dup_output,
- .close_output = aps_close_output,
- .suspend_output = aps_suspend_output,
- .restore_output = aps_restore_output,
- .open_input = aps_open_input,
- .close_input = aps_close_input,
- .set_stream_volume = aps_set_stream_volume,
- .invalidate_stream = aps_invalidate_stream,
- .set_parameters = aps_set_parameters,
- .get_parameters = aps_get_parameters,
- .start_tone = aps_start_tone,
- .stop_tone = aps_stop_tone,
- .set_voice_volume = aps_set_voice_volume,
- .move_effects = aps_move_effects,
- .load_hw_module = aps_load_hw_module,
- .open_output_on_module = aps_open_output_on_module,
- .open_input_on_module = aps_open_input_on_module,
- };
-}; // namespace <unnamed>
-
-}; // namespace android
diff --git a/services/audioflinger/AudioPolicyService.h b/services/audioflinger/AudioPolicyService.h
deleted file mode 100644
index ae053a9..0000000
--- a/services/audioflinger/AudioPolicyService.h
+++ /dev/null
@@ -1,353 +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 <cutils/misc.h>
-#include <cutils/config_utils.h>
-#include <cutils/compiler.h>
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/SortedVector.h>
-#include <binder/BinderService.h>
-#include <system/audio.h>
-#include <system/audio_policy.h>
-#include <hardware/audio_policy.h>
-#include <media/IAudioPolicyService.h>
-#include <media/ToneGenerator.h>
-#include <media/AudioEffect.h>
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-class AudioPolicyService :
- public BinderService<AudioPolicyService>,
- public BnAudioPolicyService,
-// public AudioPolicyClientInterface,
- public IBinder::DeathRecipient
-{
- friend class BinderService<AudioPolicyService>;
-
-public:
- // for BinderService
- static const char *getServiceName() ANDROID_API { return "media.audio_policy"; }
-
- virtual status_t dump(int fd, const Vector<String16>& args);
-
- //
- // BnAudioPolicyService (see AudioPolicyInterface for method descriptions)
- //
-
- virtual status_t setDeviceConnectionState(audio_devices_t device,
- audio_policy_dev_state_t state,
- const char *device_address);
- virtual audio_policy_dev_state_t getDeviceConnectionState(
- audio_devices_t device,
- const char *device_address);
- virtual status_t setPhoneState(audio_mode_t state);
- virtual status_t setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config);
- virtual audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage);
- virtual audio_io_handle_t getOutput(audio_stream_type_t stream,
- uint32_t samplingRate = 0,
- audio_format_t format = AUDIO_FORMAT_DEFAULT,
- audio_channel_mask_t channelMask = 0,
- audio_output_flags_t flags =
- AUDIO_OUTPUT_FLAG_NONE,
- const audio_offload_info_t *offloadInfo = NULL);
- virtual status_t startOutput(audio_io_handle_t output,
- audio_stream_type_t stream,
- int session = 0);
- virtual status_t stopOutput(audio_io_handle_t output,
- audio_stream_type_t stream,
- int session = 0);
- virtual void releaseOutput(audio_io_handle_t output);
- virtual audio_io_handle_t getInput(audio_source_t inputSource,
- uint32_t samplingRate = 0,
- audio_format_t format = AUDIO_FORMAT_DEFAULT,
- audio_channel_mask_t channelMask = 0,
- int audioSession = 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(audio_stream_type_t stream,
- int indexMin,
- int indexMax);
- virtual status_t setStreamVolumeIndex(audio_stream_type_t stream,
- int index,
- audio_devices_t device);
- virtual status_t getStreamVolumeIndex(audio_stream_type_t stream,
- int *index,
- audio_devices_t device);
-
- virtual uint32_t getStrategyForStream(audio_stream_type_t stream);
- virtual audio_devices_t getDevicesForStream(audio_stream_type_t stream);
-
- virtual audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc);
- virtual status_t registerEffect(const effect_descriptor_t *desc,
- audio_io_handle_t io,
- uint32_t strategy,
- int session,
- int id);
- virtual status_t unregisterEffect(int id);
- virtual status_t setEffectEnabled(int id, bool enabled);
- virtual bool isStreamActive(audio_stream_type_t stream, uint32_t inPastMs = 0) const;
- virtual bool isStreamActiveRemotely(audio_stream_type_t stream, uint32_t inPastMs = 0) const;
- virtual bool isSourceActive(audio_source_t source) const;
-
- virtual status_t queryDefaultPreProcessing(int audioSession,
- effect_descriptor_t *descriptors,
- uint32_t *count);
- virtual status_t onTransact(
- uint32_t code,
- const Parcel& data,
- Parcel* reply,
- uint32_t flags);
-
- // IBinder::DeathRecipient
- virtual void binderDied(const wp<IBinder>& who);
-
- //
- // Helpers for the struct audio_policy_service_ops implementation.
- // This is used by the audio policy manager for certain operations that
- // are implemented by the policy service.
- //
- virtual void setParameters(audio_io_handle_t ioHandle,
- const char *keyValuePairs,
- int delayMs);
-
- virtual status_t setStreamVolume(audio_stream_type_t stream,
- float volume,
- audio_io_handle_t output,
- int delayMs = 0);
- virtual status_t startTone(audio_policy_tone_t tone, audio_stream_type_t stream);
- virtual status_t stopTone();
- virtual status_t setVoiceVolume(float volume, int delayMs = 0);
- virtual bool isOffloadSupported(const audio_offload_info_t &config);
-
- status_t doStopOutput(audio_io_handle_t output,
- audio_stream_type_t stream,
- int session = 0);
- void doReleaseOutput(audio_io_handle_t output);
-
-private:
- AudioPolicyService() ANDROID_API;
- 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,
- STOP_OUTPUT,
- RELEASE_OUTPUT
- };
-
- AudioCommandThread (String8 name, const wp<AudioPolicyService>& service);
- virtual ~AudioCommandThread();
-
- status_t dump(int fd);
-
- // Thread virtuals
- virtual void onFirstRef();
- virtual bool threadLoop();
-
- void exit();
- void startToneCommand(ToneGenerator::tone_type type,
- audio_stream_type_t stream);
- void stopToneCommand();
- status_t volumeCommand(audio_stream_type_t stream, float volume,
- audio_io_handle_t output, int delayMs = 0);
- status_t parametersCommand(audio_io_handle_t ioHandle,
- const char *keyValuePairs, int delayMs = 0);
- status_t voiceVolumeCommand(float volume, int delayMs = 0);
- void stopOutputCommand(audio_io_handle_t output,
- audio_stream_type_t stream,
- int session);
- void releaseOutputCommand(audio_io_handle_t output);
-
- 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:
- ToneGenerator::tone_type mType; // tone type (START_TONE only)
- audio_stream_type_t mStream; // stream type (START_TONE only)
- };
-
- class VolumeData {
- public:
- audio_stream_type_t mStream;
- float mVolume;
- audio_io_handle_t mIO;
- };
-
- class ParametersData {
- public:
- audio_io_handle_t mIO;
- String8 mKeyValuePairs;
- };
-
- class VoiceVolumeData {
- public:
- float mVolume;
- };
-
- class StopOutputData {
- public:
- audio_io_handle_t mIO;
- audio_stream_type_t mStream;
- int mSession;
- };
-
- class ReleaseOutputData {
- public:
- audio_io_handle_t mIO;
- };
-
- 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
- wp<AudioPolicyService> mService;
- };
-
- class EffectDesc {
- public:
- EffectDesc(const char *name, const effect_uuid_t& uuid) :
- mName(strdup(name)),
- mUuid(uuid) { }
- EffectDesc(const EffectDesc& orig) :
- mName(strdup(orig.mName)),
- mUuid(orig.mUuid) {
- // deep copy mParams
- for (size_t k = 0; k < orig.mParams.size(); k++) {
- effect_param_t *origParam = orig.mParams[k];
- // psize and vsize are rounded up to an int boundary for allocation
- size_t origSize = sizeof(effect_param_t) +
- ((origParam->psize + 3) & ~3) +
- ((origParam->vsize + 3) & ~3);
- effect_param_t *dupParam = (effect_param_t *) malloc(origSize);
- memcpy(dupParam, origParam, origSize);
- // This works because the param buffer allocation is also done by
- // multiples of 4 bytes originally. In theory we should memcpy only
- // the actual param size, that is without rounding vsize.
- mParams.add(dupParam);
- }
- }
- /*virtual*/ ~EffectDesc() {
- free(mName);
- for (size_t k = 0; k < mParams.size(); k++) {
- free(mParams[k]);
- }
- }
- char *mName;
- effect_uuid_t mUuid;
- Vector <effect_param_t *> mParams;
- };
-
- class InputSourceDesc {
- public:
- InputSourceDesc() {}
- /*virtual*/ ~InputSourceDesc() {
- for (size_t j = 0; j < mEffects.size(); j++) {
- delete mEffects[j];
- }
- }
- Vector <EffectDesc *> mEffects;
- };
-
-
- class InputDesc {
- public:
- InputDesc(int session) : mSessionId(session) {}
- /*virtual*/ ~InputDesc() {}
- const int mSessionId;
- Vector< sp<AudioEffect> >mEffects;
- };
-
- static const char * const kInputSourceNames[AUDIO_SOURCE_CNT -1];
-
- void setPreProcessorEnabled(const InputDesc *inputDesc, bool enabled);
- status_t loadPreProcessorConfig(const char *path);
- status_t loadEffects(cnode *root, Vector <EffectDesc *>& effects);
- EffectDesc *loadEffect(cnode *root);
- status_t loadInputSources(cnode *root, const Vector <EffectDesc *>& effects);
- audio_source_t inputSourceNameToEnum(const char *name);
- InputSourceDesc *loadInputSource(cnode *root, const Vector <EffectDesc *>& effects);
- void loadEffectParameters(cnode *root, Vector <effect_param_t *>& params);
- effect_param_t *loadEffectParameter(cnode *root);
- size_t readParamValue(cnode *node,
- char *param,
- size_t *curSize,
- size_t *totSize);
- size_t growParamSize(char *param,
- size_t size,
- size_t *curSize,
- size_t *totSize);
-
- // Internal dump utilities.
- status_t dumpPermissionDenial(int fd);
-
-
- mutable Mutex mLock; // prevents concurrent access to AudioPolicy manager functions changing
- // device connection state or routing
- sp<AudioCommandThread> mAudioCommandThread; // audio commands thread
- sp<AudioCommandThread> mTonePlaybackThread; // tone playback thread
- sp<AudioCommandThread> mOutputCommandThread; // process stop and release output
- struct audio_policy_device *mpAudioPolicyDev;
- struct audio_policy *mpAudioPolicy;
- KeyedVector< audio_source_t, InputSourceDesc* > mInputSources;
- KeyedVector< audio_io_handle_t, InputDesc* > mInputs;
-};
-
-}; // namespace android
-
-#endif // ANDROID_AUDIOPOLICYSERVICE_H