AudioPolicyService.cpp revision 2d388eccc9dc085337c7a03a68467cbee6b809e1
165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian/* 265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * Copyright (C) 2009 The Android Open Source Project 365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * 465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * you may not use this file except in compliance with the License. 665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * You may obtain a copy of the License at 765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * 865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * 1065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * Unless required by applicable law or agreed to in writing, software 1165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 1265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * See the License for the specific language governing permissions and 1465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian * limitations under the License. 1565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian */ 1665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define LOG_TAG "AudioPolicyService" 1865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian//#define LOG_NDEBUG 0 198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 2065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "Configuration.h" 2165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#undef __STRICT_ANSI__ 2265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define __STDINT_LIMITS 2365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define __STDC_LIMIT_MACROS 2465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdint.h> 2565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <sys/time.h> 2765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <binder/IServiceManager.h> 2865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <utils/Log.h> 2965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <cutils/properties.h> 30b5ca4618a722a21f084fe8bfc1c2992749ccd3f0Nipun Kwatra#include <binder/IPCThreadState.h> 31bfa33aae4f54c0020a0568b16a3acb7b30b6ca3dJamie Gennis#include <utils/String16.h> 32df712ea86e6350f7005a02ab0e1c60c28a343ed0Mathias Agopian#include <utils/threads.h> 3365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "AudioPolicyService.h" 3465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "ServiceUtilities.h" 3565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <hardware_legacy/power.h> 3665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/AudioEffect.h> 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/EffectsFactoryApi.h> 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <hardware/hardware.h> 4065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <system/audio.h> 415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#include <system/audio_policy.h> 428951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev#include <hardware/audio_policy.h> 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <audio_effects/audio_effects_conf.h> 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <media/AudioParameter.h> 4565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const char kDeadlockedString[] = "AudioPolicyService may be deadlocked\n"; 495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatic const char kCmdDeadlockedString[] = "AudioPolicyService command thread may be deadlocked\n"; 5065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 51b8a805261bf0282e992d3608035e47d05a898710Steve Blockstatic const int kDumpLockRetries = 50; 52b8a805261bf0282e992d3608035e47d05a898710Steve Blockstatic const int kDumpLockSleepUs = 20000; 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic const nsecs_t kAudioCommandTimeout = 3000000000LL; // 3 seconds 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace { 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian extern struct audio_policy_service_ops aps_ops; 5865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 6265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianAudioPolicyService::AudioPolicyService() 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : BnAudioPolicyService(), mpAudioPolicyDev(NULL), mpAudioPolicy(NULL) 6465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 6565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian char value[PROPERTY_VALUE_MAX]; 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const struct hw_module_t *module; 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int forced_val; 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int rc; 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock _l(mLock); 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // start tone playback thread 7365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mTonePlaybackThread = new AudioCommandThread(String8("ApmTone"), this); 7465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // start audio commands thread 758951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mAudioCommandThread = new AudioCommandThread(String8("ApmAudio"), this); 7665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // start output activity command thread 77df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block mOutputCommandThread = new AudioCommandThread(String8("ApmOutput"), this); 788951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev /* instantiate the audio policy manager */ 798951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev rc = hw_get_module(AUDIO_POLICY_HARDWARE_MODULE_ID, &module); 8065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (rc) { 818951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return; 828951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 838951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 8465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian rc = audio_policy_dev_open(module, &mpAudioPolicyDev); 858951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev ALOGE_IF(rc, "couldn't open audio policy device (%s)", strerror(-rc)); 868951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (rc) { 8729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block return; 888951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 898951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 908951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev rc = mpAudioPolicyDev->create_audio_policy(mpAudioPolicyDev, &aps_ops, this, 918951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev &mpAudioPolicy); 928951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev ALOGE_IF(rc, "couldn't create audio policy (%s)", strerror(-rc)); 9329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block if (rc) { 948951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev return; 958951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 968951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 978951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev rc = mpAudioPolicy->init_check(mpAudioPolicy); 988951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev ALOGE_IF(rc, "couldn't init_check the audio policy (%s)", strerror(-rc)); 998951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (rc) { 10065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return; 10165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 10265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGI("Loaded audio policy from %s (%s)", module->name, module->id); 10465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // load audio pre processing modules 10629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block if (access(AUDIO_EFFECT_VENDOR_CONFIG_FILE, R_OK) == 0) { 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian loadPreProcessorConfig(AUDIO_EFFECT_VENDOR_CONFIG_FILE); 10865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } else if (access(AUDIO_EFFECT_DEFAULT_CONFIG_FILE, R_OK) == 0) { 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian loadPreProcessorConfig(AUDIO_EFFECT_DEFAULT_CONFIG_FILE); 11065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 11165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 11265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianAudioPolicyService::~AudioPolicyService() 11465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 11565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mTonePlaybackThread->exit(); 11665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mTonePlaybackThread.clear(); 11765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mAudioCommandThread->exit(); 11865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mAudioCommandThread.clear(); 1198951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 1208951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 1218951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev // release audio pre processing resources 1228951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev for (size_t i = 0; i < mInputSources.size(); i++) { 12365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete mInputSources.valueAt(i); 12465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 12565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mInputSources.clear(); 12665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1278951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev for (size_t i = 0; i < mInputs.size(); i++) { 1288951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mInputs.valueAt(i)->mEffects.clear(); 1298951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev delete mInputs.valueAt(i); 1308951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1318951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mInputs.clear(); 13265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 13365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mpAudioPolicy != NULL && mpAudioPolicyDev != NULL) { 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mpAudioPolicyDev->destroy_audio_policy(mpAudioPolicyDev, mpAudioPolicy); 13508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } 13665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mpAudioPolicyDev != NULL) { 1375861a9a98c641261c4807c976c750e4611b3a57dTyler Luu audio_policy_dev_close(mpAudioPolicyDev); 1385861a9a98c641261c4807c976c750e4611b3a57dTyler Luu } 13965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 14065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1418951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev 14229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Blockvoid AudioPolicyService::binderDied(const wp<IBinder>& who) { 1438951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev ALOGW("binderDied() %p, calling pid %d", who.unsafe_get(), 1448951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev IPCThreadState::self()->getCallingPid()); 1458951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev} 14665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 14765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatic bool tryLock(Mutex& mutex) 14829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block{ 14965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = false; 15065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (int i = 0; i < kDumpLockRetries; ++i) { 15165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mutex.tryLock() == NO_ERROR) { 15265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian locked = true; 153a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li break; 154a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li } 155a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li usleep(kDumpLockSleepUs); 156a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li } 157df64d15042bbd5e0e4933ac49bf3c177dd94752cSteve Block return locked; 158a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li} 159a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Li 160a3355430a36bbfa7b2c0d90eb30834f1c5dac337Wu-cheng Listatus_t AudioPolicyService::dumpInternals(int fd) 16165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 16208ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li const size_t SIZE = 256; 16308ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li char buffer[SIZE]; 16408ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li String8 result; 16508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li 16608ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li snprintf(buffer, SIZE, "PolicyManager Interface: %p\n", mpAudioPolicy); 16708ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li result.append(buffer); 16808ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li snprintf(buffer, SIZE, "Command Thread: %p\n", mAudioCommandThread.get()); 16908ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li result.append(buffer); 17008ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li snprintf(buffer, SIZE, "Tones Thread: %p\n", mTonePlaybackThread.get()); 17108ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li result.append(buffer); 1722fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li 1732fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li write(fd, result.string(), result.size()); 1742fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li return NO_ERROR; 17508ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li} 17608ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li 17708ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Listatus_t AudioPolicyService::dump(int fd, const Vector<String16>& args __unused) 17808ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li{ 17908ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li if (!dumpAllowed()) { 18008ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li dumpPermissionDenial(fd); 18108ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li } else { 18265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = tryLock(mLock); 18365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!locked) { 1848951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev String8 result(kDeadlockedString); 1858951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev write(fd, result.string(), result.size()); 18629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block } 187b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li 188b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li dumpInternals(fd); 1898951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mAudioCommandThread != 0) { 1908951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev mAudioCommandThread->dump(fd); 1918951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev } 1928951a97b1f8462c37e740ea5082eea0445d2c501Iliyan Malchev if (mTonePlaybackThread != 0) { 1935861a9a98c641261c4807c976c750e4611b3a57dTyler Luu mTonePlaybackThread->dump(fd); 1945861a9a98c641261c4807c976c750e4611b3a57dTyler Luu } 1955861a9a98c641261c4807c976c750e4611b3a57dTyler Luu 1965861a9a98c641261c4807c976c750e4611b3a57dTyler Luu if (mpAudioPolicy) { 1975861a9a98c641261c4807c976c750e4611b3a57dTyler Luu mpAudioPolicy->dump(mpAudioPolicy, fd); 1985861a9a98c641261c4807c976c750e4611b3a57dTyler Luu } 1995e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 20065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (locked) mLock.unlock(); 2012fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li } 20265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 20365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 20465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioPolicyService::dumpPermissionDenial(int fd) 20665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t SIZE = 256; 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian char buffer[SIZE]; 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result; 21065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian snprintf(buffer, SIZE, "Permission Denial: " 21165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian "can't dump AudioPolicyService from pid=%d, uid=%d\n", 21265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian IPCThreadState::self()->getCallingPid(), 21365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian IPCThreadState::self()->getCallingUid()); 21465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 21565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 21665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 21765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 21865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 21965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioPolicyService::setPreProcessorEnabled(const InputDesc *inputDesc, bool enabled) 22065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 22165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const Vector<sp<AudioEffect> > &fxVector = inputDesc->mEffects; 22265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (size_t i = 0; i < fxVector.size(); i++) { 22365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian fxVector.itemAt(i)->setEnabled(enabled); 22465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 22565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 22665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioPolicyService::onTransact( 22865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 22965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 23065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return BnAudioPolicyService::onTransact(code, data, reply, flags); 23165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 23265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 23365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 23465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ----------- AudioPolicyService::AudioCommandThread implementation ---------- 23565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 23665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias AgopianAudioPolicyService::AudioCommandThread::AudioCommandThread(String8 name, 23765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const wp<AudioPolicyService>& service) 23865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian : Thread(false), mName(name), mService(service) 23965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 240d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park mpToneGenerator = NULL; 24165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 242d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 243d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park 244d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young ParkAudioPolicyService::AudioCommandThread::~AudioCommandThread() 245d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park{ 246d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (!mAudioCommands.isEmpty()) { 247d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park release_wake_lock(mName.string()); 24865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 24965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mAudioCommands.clear(); 25065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete mpToneGenerator; 25165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 25265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 25365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioPolicyService::AudioCommandThread::onFirstRef() 25465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 25565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian run(mName.string(), ANDROID_PRIORITY_AUDIO); 25665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 25765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 25865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianbool AudioPolicyService::AudioCommandThread::threadLoop() 25965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 26065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian nsecs_t waitTime = INT64_MAX; 26165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 26229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block mLock.lock(); 26365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (!exitPending()) 26465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian { 26565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian while (!mAudioCommands.isEmpty()) { 26665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian nsecs_t curTime = systemTime(); 26765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // commands are sorted by increasing time stamp: execute them from index 0 and up 26865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mAudioCommands[0]->mTime <= curTime) { 26965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioCommand *command = mAudioCommands[0]; 27065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mAudioCommands.removeAt(0); 27165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLastCommand = *command; 27265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 27365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian switch (command->mCommand) { 27465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case START_TONE: { 27565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 27665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ToneData *data = (ToneData *)command->mParam; 27765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGV("AudioCommandThread() processing start tone %d on stream %d", 27865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian data->mType, data->mStream); 27965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete mpToneGenerator; 28065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mpToneGenerator = new ToneGenerator(data->mStream, 1.0); 28165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mpToneGenerator->startTone(data->mType); 28265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete data; 28365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.lock(); 28465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }break; 28565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case STOP_TONE: { 28665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 28765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGV("AudioCommandThread() processing stop tone"); 28865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (mpToneGenerator != NULL) { 28965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mpToneGenerator->stopTone(); 29065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete mpToneGenerator; 291ff4f55c8d77e276dbcceedb4e560ca1d91ba38baChih-Chung Chang mpToneGenerator = NULL; 29265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 29365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.lock(); 29460a78ac9535878984b0777788760b9ee7465c5e6Eino-Ville Talvala }break; 29565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case SET_VOLUME: { 29665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian VolumeData *data = (VolumeData *)command->mParam; 29729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGV("AudioCommandThread() processing set volume stream %d, \ 29865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian volume %f, output %d", data->mStream, data->mVolume, data->mIO); 29965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mStatus = AudioSystem::setStreamVolume(data->mStream, 30065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian data->mVolume, 30165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian data->mIO); 30265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (command->mWaitStatus) { 30365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mCond.signal(); 30465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mCond.waitRelative(mLock, kAudioCommandTimeout); 30565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 30665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete data; 30765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }break; 30865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case SET_PARAMETERS: { 30965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ParametersData *data = (ParametersData *)command->mParam; 31065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGV("AudioCommandThread() processing set parameters string %s, io %d", 31165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian data->mKeyValuePairs.string(), data->mIO); 31265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mStatus = AudioSystem::setParameters(data->mIO, data->mKeyValuePairs); 31365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (command->mWaitStatus) { 31465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mCond.signal(); 31565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mCond.waitRelative(mLock, kAudioCommandTimeout); 31665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 31765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete data; 31865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }break; 31965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case SET_VOICE_VOLUME: { 32065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian VoiceVolumeData *data = (VoiceVolumeData *)command->mParam; 32165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGV("AudioCommandThread() processing set voice volume volume %f", 32265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian data->mVolume); 32365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mStatus = AudioSystem::setVoiceVolume(data->mVolume); 32465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (command->mWaitStatus) { 32565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mCond.signal(); 32665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mCond.waitRelative(mLock, kAudioCommandTimeout); 32765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 32865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete data; 32965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }break; 3308888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang case STOP_OUTPUT: { 3318888a75f01d904541e409e858d23e4150ace34b6Chih-Chung Chang StopOutputData *data = (StopOutputData *)command->mParam; 33265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGV("AudioCommandThread() processing stop output %d", 33365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian data->mIO); 33465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<AudioPolicyService> svc = mService.promote(); 33565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (svc == 0) { 33665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian break; 33765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 338b7a67942823e8339eb298238f117aaa6d7b63111Wu-cheng Li mLock.unlock(); 33908ad5efcef90e24db2863c0f85972ed05fe848a2Wu-cheng Li svc->doStopOutput(data->mIO, data->mStream, data->mSession); 34065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.lock(); 3412fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li delete data; 34265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }break; 34365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian case RELEASE_OUTPUT: { 34465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ReleaseOutputData *data = (ReleaseOutputData *)command->mParam; 34565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGV("AudioCommandThread() processing release output %d", 346e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li data->mIO); 34765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian sp<AudioPolicyService> svc = mService.promote(); 348d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (svc == 0) { 3495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala break; 35065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 35165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.unlock(); 3522fd2440d0175ca3e196b01b7541a9e0d4ed9a694Wu-cheng Li svc->doReleaseOutput(data->mIO); 35365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLock.lock(); 35465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete data; 35565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }break; 35665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian default: 35765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGW("AudioCommandThread() unknown command %d", command->mCommand); 35865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 35965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian delete command; 36065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian waitTime = INT64_MAX; 361d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park } else { 362d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park waitTime = mAudioCommands[0]->mTime - curTime; 363d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park break; 364d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park } 365d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park } 366d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park // release delayed commands wake lock 367d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park if (mAudioCommands.isEmpty()) { 368d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park release_wake_lock(mName.string()); 36965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 37065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGV("AudioCommandThread() going to sleep"); 37165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mWaitWorkCV.waitRelative(mLock, waitTime); 37265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGV("AudioCommandThread() waking up"); 373d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park } 374d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park mLock.unlock(); 375d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park return false; 376d8973a71a3d1dd670e5dcdf6e94ec0cd45444eecKeun young Park} 37765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 37865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioPolicyService::AudioCommandThread::dump(int fd) 37965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 38065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const size_t SIZE = 256; 3815e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala char buffer[SIZE]; 3825e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala String8 result; 3835e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 384e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li snprintf(buffer, SIZE, "AudioCommandThread %p Dump\n", this); 385e09591eff55fdff1868b32c3e046c62f800330fcWu-cheng Li result.append(buffer); 38665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 38765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 38865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool locked = tryLock(mLock); 38965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (!locked) { 39065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian String8 result2(kCmdDeadlockedString); 39165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result2.string(), result2.size()); 39265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 39365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 39465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian snprintf(buffer, SIZE, "- Commands:\n"); 39565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result = String8(buffer); 39665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(" Command Time Wait pParam\n"); 39765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian for (size_t i = 0; i < mAudioCommands.size(); i++) { 39865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mAudioCommands[i]->dump(buffer, SIZE); 39965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 40065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian } 40165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(" Last Command\n"); 40265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mLastCommand.dump(buffer, SIZE); 40365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian result.append(buffer); 40465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian write(fd, result.string(), result.size()); 40665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian if (locked) mLock.unlock(); 40865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 40965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian return NO_ERROR; 41065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 41165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 41265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioPolicyService::AudioCommandThread::startToneCommand(ToneGenerator::tone_type type, 41365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian audio_stream_type_t stream) 41465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 41565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioCommand *command = new AudioCommand(); 41665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mCommand = START_TONE; 41765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ToneData *data = new ToneData(); 41865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian data->mType = type; 41965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian data->mStream = stream; 42065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mParam = (void *)data; 42165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock _l(mLock); 42265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian insertCommand_l(command); 42365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGV("AudioCommandThread() adding tone start type %d, stream %d", type, stream); 42465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mWaitWorkCV.signal(); 42565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 42665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 42765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianvoid AudioPolicyService::AudioCommandThread::stopToneCommand() 42865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 42965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioCommand *command = new AudioCommand(); 4305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala command->mCommand = STOP_TONE; 43165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mParam = NULL; 43265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock _l(mLock); 43365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian insertCommand_l(command); 43465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGV("AudioCommandThread() adding tone stop"); 43565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian mWaitWorkCV.signal(); 43665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian} 43765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 43865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianstatus_t AudioPolicyService::AudioCommandThread::volumeCommand(audio_stream_type_t stream, 43965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian float volume, 44065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian audio_io_handle_t output, 44165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int delayMs) 44265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 44365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian status_t status = NO_ERROR; 44465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 44565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioCommand *command = new AudioCommand(); 44665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mCommand = SET_VOLUME; 44765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian VolumeData *data = new VolumeData(); 44865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian data->mStream = stream; 44965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian data->mVolume = volume; 45065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian data->mIO = output; 45165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian command->mParam = data; 45265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian Mutex::Autolock _l(mLock); 45365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian insertCommand_l(command, delayMs); 45465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian ALOGV("AudioCommandThread() adding set volume stream %d, volume %f, output %d", 455 stream, volume, output); 456 mWaitWorkCV.signal(); 457 if (command->mWaitStatus) { 458 command->mCond.wait(mLock); 459 status = command->mStatus; 460 command->mCond.signal(); 461 } 462 return status; 463} 464 465status_t AudioPolicyService::AudioCommandThread::parametersCommand(audio_io_handle_t ioHandle, 466 const char *keyValuePairs, 467 int delayMs) 468{ 469 status_t status = NO_ERROR; 470 471 AudioCommand *command = new AudioCommand(); 472 command->mCommand = SET_PARAMETERS; 473 ParametersData *data = new ParametersData(); 474 data->mIO = ioHandle; 475 data->mKeyValuePairs = String8(keyValuePairs); 476 command->mParam = data; 477 Mutex::Autolock _l(mLock); 478 insertCommand_l(command, delayMs); 479 ALOGV("AudioCommandThread() adding set parameter string %s, io %d ,delay %d", 480 keyValuePairs, ioHandle, delayMs); 481 mWaitWorkCV.signal(); 482 if (command->mWaitStatus) { 483 command->mCond.wait(mLock); 484 status = command->mStatus; 485 command->mCond.signal(); 486 } 487 return status; 488} 489 490status_t AudioPolicyService::AudioCommandThread::voiceVolumeCommand(float volume, int delayMs) 491{ 492 status_t status = NO_ERROR; 493 494 AudioCommand *command = new AudioCommand(); 495 command->mCommand = SET_VOICE_VOLUME; 496 VoiceVolumeData *data = new VoiceVolumeData(); 497 data->mVolume = volume; 498 command->mParam = data; 499 Mutex::Autolock _l(mLock); 500 insertCommand_l(command, delayMs); 501 ALOGV("AudioCommandThread() adding set voice volume volume %f", volume); 502 mWaitWorkCV.signal(); 503 if (command->mWaitStatus) { 504 command->mCond.wait(mLock); 505 status = command->mStatus; 506 command->mCond.signal(); 507 } 508 return status; 509} 510 511void AudioPolicyService::AudioCommandThread::stopOutputCommand(audio_io_handle_t output, 512 audio_stream_type_t stream, 513 int session) 514{ 515 AudioCommand *command = new AudioCommand(); 516 command->mCommand = STOP_OUTPUT; 517 StopOutputData *data = new StopOutputData(); 518 data->mIO = output; 519 data->mStream = stream; 520 data->mSession = session; 521 command->mParam = (void *)data; 522 Mutex::Autolock _l(mLock); 523 insertCommand_l(command); 524 ALOGV("AudioCommandThread() adding stop output %d", output); 525 mWaitWorkCV.signal(); 526} 527 528void AudioPolicyService::AudioCommandThread::releaseOutputCommand(audio_io_handle_t output) 529{ 530 AudioCommand *command = new AudioCommand(); 531 command->mCommand = RELEASE_OUTPUT; 532 ReleaseOutputData *data = new ReleaseOutputData(); 533 data->mIO = output; 534 command->mParam = (void *)data; 535 Mutex::Autolock _l(mLock); 536 insertCommand_l(command); 537 ALOGV("AudioCommandThread() adding release output %d", output); 538 mWaitWorkCV.signal(); 539} 540 541// insertCommand_l() must be called with mLock held 542void AudioPolicyService::AudioCommandThread::insertCommand_l(AudioCommand *command, int delayMs) 543{ 544 ssize_t i; // not size_t because i will count down to -1 545 Vector <AudioCommand *> removedCommands; 546 command->mTime = systemTime() + milliseconds(delayMs); 547 548 // acquire wake lock to make sure delayed commands are processed 549 if (mAudioCommands.isEmpty()) { 550 acquire_wake_lock(PARTIAL_WAKE_LOCK, mName.string()); 551 } 552 553 // check same pending commands with later time stamps and eliminate them 554 for (i = mAudioCommands.size()-1; i >= 0; i--) { 555 AudioCommand *command2 = mAudioCommands[i]; 556 // commands are sorted by increasing time stamp: no need to scan the rest of mAudioCommands 557 if (command2->mTime <= command->mTime) break; 558 if (command2->mCommand != command->mCommand) continue; 559 560 switch (command->mCommand) { 561 case SET_PARAMETERS: { 562 ParametersData *data = (ParametersData *)command->mParam; 563 ParametersData *data2 = (ParametersData *)command2->mParam; 564 if (data->mIO != data2->mIO) break; 565 ALOGV("Comparing parameter command %s to new command %s", 566 data2->mKeyValuePairs.string(), data->mKeyValuePairs.string()); 567 AudioParameter param = AudioParameter(data->mKeyValuePairs); 568 AudioParameter param2 = AudioParameter(data2->mKeyValuePairs); 569 for (size_t j = 0; j < param.size(); j++) { 570 String8 key; 571 String8 value; 572 param.getAt(j, key, value); 573 for (size_t k = 0; k < param2.size(); k++) { 574 String8 key2; 575 String8 value2; 576 param2.getAt(k, key2, value2); 577 if (key2 == key) { 578 param2.remove(key2); 579 ALOGV("Filtering out parameter %s", key2.string()); 580 break; 581 } 582 } 583 } 584 // if all keys have been filtered out, remove the command. 585 // otherwise, update the key value pairs 586 if (param2.size() == 0) { 587 removedCommands.add(command2); 588 } else { 589 data2->mKeyValuePairs = param2.toString(); 590 } 591 command->mTime = command2->mTime; 592 // force delayMs to non 0 so that code below does not request to wait for 593 // command status as the command is now delayed 594 delayMs = 1; 595 } break; 596 597 case SET_VOLUME: { 598 VolumeData *data = (VolumeData *)command->mParam; 599 VolumeData *data2 = (VolumeData *)command2->mParam; 600 if (data->mIO != data2->mIO) break; 601 if (data->mStream != data2->mStream) break; 602 ALOGV("Filtering out volume command on output %d for stream %d", 603 data->mIO, data->mStream); 604 removedCommands.add(command2); 605 command->mTime = command2->mTime; 606 // force delayMs to non 0 so that code below does not request to wait for 607 // command status as the command is now delayed 608 delayMs = 1; 609 } break; 610 case START_TONE: 611 case STOP_TONE: 612 default: 613 break; 614 } 615 } 616 617 // remove filtered commands 618 for (size_t j = 0; j < removedCommands.size(); j++) { 619 // removed commands always have time stamps greater than current command 620 for (size_t k = i + 1; k < mAudioCommands.size(); k++) { 621 if (mAudioCommands[k] == removedCommands[j]) { 622 ALOGV("suppressing command: %d", mAudioCommands[k]->mCommand); 623 mAudioCommands.removeAt(k); 624 break; 625 } 626 } 627 } 628 removedCommands.clear(); 629 630 // wait for status only if delay is 0 631 if (delayMs == 0) { 632 command->mWaitStatus = true; 633 } else { 634 command->mWaitStatus = false; 635 } 636 637 // insert command at the right place according to its time stamp 638 ALOGV("inserting command: %d at index %d, num commands %d", 639 command->mCommand, (int)i+1, mAudioCommands.size()); 640 mAudioCommands.insertAt(command, i + 1); 641} 642 643void AudioPolicyService::AudioCommandThread::exit() 644{ 645 ALOGV("AudioCommandThread::exit"); 646 { 647 AutoMutex _l(mLock); 648 requestExit(); 649 mWaitWorkCV.signal(); 650 } 651 requestExitAndWait(); 652} 653 654void AudioPolicyService::AudioCommandThread::AudioCommand::dump(char* buffer, size_t size) 655{ 656 snprintf(buffer, size, " %02d %06d.%03d %01u %p\n", 657 mCommand, 658 (int)ns2s(mTime), 659 (int)ns2ms(mTime)%1000, 660 mWaitStatus, 661 mParam); 662} 663 664/******* helpers for the service_ops callbacks defined below *********/ 665void AudioPolicyService::setParameters(audio_io_handle_t ioHandle, 666 const char *keyValuePairs, 667 int delayMs) 668{ 669 mAudioCommandThread->parametersCommand(ioHandle, keyValuePairs, 670 delayMs); 671} 672 673int AudioPolicyService::setStreamVolume(audio_stream_type_t stream, 674 float volume, 675 audio_io_handle_t output, 676 int delayMs) 677{ 678 return (int)mAudioCommandThread->volumeCommand(stream, volume, 679 output, delayMs); 680} 681 682int AudioPolicyService::startTone(audio_policy_tone_t tone, 683 audio_stream_type_t stream) 684{ 685 if (tone != AUDIO_POLICY_TONE_IN_CALL_NOTIFICATION) { 686 ALOGE("startTone: illegal tone requested (%d)", tone); 687 } 688 if (stream != AUDIO_STREAM_VOICE_CALL) { 689 ALOGE("startTone: illegal stream (%d) requested for tone %d", stream, 690 tone); 691 } 692 mTonePlaybackThread->startToneCommand(ToneGenerator::TONE_SUP_CALL_WAITING, 693 AUDIO_STREAM_VOICE_CALL); 694 return 0; 695} 696 697int AudioPolicyService::stopTone() 698{ 699 mTonePlaybackThread->stopToneCommand(); 700 return 0; 701} 702 703int AudioPolicyService::setVoiceVolume(float volume, int delayMs) 704{ 705 return (int)mAudioCommandThread->voiceVolumeCommand(volume, delayMs); 706} 707 708// ---------------------------------------------------------------------------- 709// Audio pre-processing configuration 710// ---------------------------------------------------------------------------- 711 712/*static*/ const char * const AudioPolicyService::kInputSourceNames[AUDIO_SOURCE_CNT -1] = { 713 MIC_SRC_TAG, 714 VOICE_UL_SRC_TAG, 715 VOICE_DL_SRC_TAG, 716 VOICE_CALL_SRC_TAG, 717 CAMCORDER_SRC_TAG, 718 VOICE_REC_SRC_TAG, 719 VOICE_COMM_SRC_TAG 720}; 721 722// returns the audio_source_t enum corresponding to the input source name or 723// AUDIO_SOURCE_CNT is no match found 724audio_source_t AudioPolicyService::inputSourceNameToEnum(const char *name) 725{ 726 int i; 727 for (i = AUDIO_SOURCE_MIC; i < AUDIO_SOURCE_CNT; i++) { 728 if (strcmp(name, kInputSourceNames[i - AUDIO_SOURCE_MIC]) == 0) { 729 ALOGV("inputSourceNameToEnum found source %s %d", name, i); 730 break; 731 } 732 } 733 return (audio_source_t)i; 734} 735 736size_t AudioPolicyService::growParamSize(char *param, 737 size_t size, 738 size_t *curSize, 739 size_t *totSize) 740{ 741 // *curSize is at least sizeof(effect_param_t) + 2 * sizeof(int) 742 size_t pos = ((*curSize - 1 ) / size + 1) * size; 743 744 if (pos + size > *totSize) { 745 while (pos + size > *totSize) { 746 *totSize += ((*totSize + 7) / 8) * 4; 747 } 748 param = (char *)realloc(param, *totSize); 749 } 750 *curSize = pos + size; 751 return pos; 752} 753 754size_t AudioPolicyService::readParamValue(cnode *node, 755 char *param, 756 size_t *curSize, 757 size_t *totSize) 758{ 759 if (strncmp(node->name, SHORT_TAG, sizeof(SHORT_TAG) + 1) == 0) { 760 size_t pos = growParamSize(param, sizeof(short), curSize, totSize); 761 *(short *)((char *)param + pos) = (short)atoi(node->value); 762 ALOGV("readParamValue() reading short %d", *(short *)((char *)param + pos)); 763 return sizeof(short); 764 } else if (strncmp(node->name, INT_TAG, sizeof(INT_TAG) + 1) == 0) { 765 size_t pos = growParamSize(param, sizeof(int), curSize, totSize); 766 *(int *)((char *)param + pos) = atoi(node->value); 767 ALOGV("readParamValue() reading int %d", *(int *)((char *)param + pos)); 768 return sizeof(int); 769 } else if (strncmp(node->name, FLOAT_TAG, sizeof(FLOAT_TAG) + 1) == 0) { 770 size_t pos = growParamSize(param, sizeof(float), curSize, totSize); 771 *(float *)((char *)param + pos) = (float)atof(node->value); 772 ALOGV("readParamValue() reading float %f",*(float *)((char *)param + pos)); 773 return sizeof(float); 774 } else if (strncmp(node->name, BOOL_TAG, sizeof(BOOL_TAG) + 1) == 0) { 775 size_t pos = growParamSize(param, sizeof(bool), curSize, totSize); 776 if (strncmp(node->value, "false", strlen("false") + 1) == 0) { 777 *(bool *)((char *)param + pos) = false; 778 } else { 779 *(bool *)((char *)param + pos) = true; 780 } 781 ALOGV("readParamValue() reading bool %s",*(bool *)((char *)param + pos) ? "true" : "false"); 782 return sizeof(bool); 783 } else if (strncmp(node->name, STRING_TAG, sizeof(STRING_TAG) + 1) == 0) { 784 size_t len = strnlen(node->value, EFFECT_STRING_LEN_MAX); 785 if (*curSize + len + 1 > *totSize) { 786 *totSize = *curSize + len + 1; 787 param = (char *)realloc(param, *totSize); 788 } 789 strncpy(param + *curSize, node->value, len); 790 *curSize += len; 791 param[*curSize] = '\0'; 792 ALOGV("readParamValue() reading string %s", param + *curSize - len); 793 return len; 794 } 795 ALOGW("readParamValue() unknown param type %s", node->name); 796 return 0; 797} 798 799effect_param_t *AudioPolicyService::loadEffectParameter(cnode *root) 800{ 801 cnode *param; 802 cnode *value; 803 size_t curSize = sizeof(effect_param_t); 804 size_t totSize = sizeof(effect_param_t) + 2 * sizeof(int); 805 effect_param_t *fx_param = (effect_param_t *)malloc(totSize); 806 807 param = config_find(root, PARAM_TAG); 808 value = config_find(root, VALUE_TAG); 809 if (param == NULL && value == NULL) { 810 // try to parse simple parameter form {int int} 811 param = root->first_child; 812 if (param != NULL) { 813 // Note: that a pair of random strings is read as 0 0 814 int *ptr = (int *)fx_param->data; 815 int *ptr2 = (int *)((char *)param + sizeof(effect_param_t)); 816 ALOGW("loadEffectParameter() ptr %p ptr2 %p", ptr, ptr2); 817 *ptr++ = atoi(param->name); 818 *ptr = atoi(param->value); 819 fx_param->psize = sizeof(int); 820 fx_param->vsize = sizeof(int); 821 return fx_param; 822 } 823 } 824 if (param == NULL || value == NULL) { 825 ALOGW("loadEffectParameter() invalid parameter description %s", root->name); 826 goto error; 827 } 828 829 fx_param->psize = 0; 830 param = param->first_child; 831 while (param) { 832 ALOGV("loadEffectParameter() reading param of type %s", param->name); 833 size_t size = readParamValue(param, (char *)fx_param, &curSize, &totSize); 834 if (size == 0) { 835 goto error; 836 } 837 fx_param->psize += size; 838 param = param->next; 839 } 840 841 // align start of value field on 32 bit boundary 842 curSize = ((curSize - 1 ) / sizeof(int) + 1) * sizeof(int); 843 844 fx_param->vsize = 0; 845 value = value->first_child; 846 while (value) { 847 ALOGV("loadEffectParameter() reading value of type %s", value->name); 848 size_t size = readParamValue(value, (char *)fx_param, &curSize, &totSize); 849 if (size == 0) { 850 goto error; 851 } 852 fx_param->vsize += size; 853 value = value->next; 854 } 855 856 return fx_param; 857 858error: 859 delete fx_param; 860 return NULL; 861} 862 863void AudioPolicyService::loadEffectParameters(cnode *root, Vector <effect_param_t *>& params) 864{ 865 cnode *node = root->first_child; 866 while (node) { 867 ALOGV("loadEffectParameters() loading param %s", node->name); 868 effect_param_t *param = loadEffectParameter(node); 869 if (param == NULL) { 870 node = node->next; 871 continue; 872 } 873 params.add(param); 874 node = node->next; 875 } 876} 877 878AudioPolicyService::InputSourceDesc *AudioPolicyService::loadInputSource( 879 cnode *root, 880 const Vector <EffectDesc *>& effects) 881{ 882 cnode *node = root->first_child; 883 if (node == NULL) { 884 ALOGW("loadInputSource() empty element %s", root->name); 885 return NULL; 886 } 887 InputSourceDesc *source = new InputSourceDesc(); 888 while (node) { 889 size_t i; 890 for (i = 0; i < effects.size(); i++) { 891 if (strncmp(effects[i]->mName, node->name, EFFECT_STRING_LEN_MAX) == 0) { 892 ALOGV("loadInputSource() found effect %s in list", node->name); 893 break; 894 } 895 } 896 if (i == effects.size()) { 897 ALOGV("loadInputSource() effect %s not in list", node->name); 898 node = node->next; 899 continue; 900 } 901 EffectDesc *effect = new EffectDesc(*effects[i]); // deep copy 902 loadEffectParameters(node, effect->mParams); 903 ALOGV("loadInputSource() adding effect %s uuid %08x", effect->mName, effect->mUuid.timeLow); 904 source->mEffects.add(effect); 905 node = node->next; 906 } 907 if (source->mEffects.size() == 0) { 908 ALOGW("loadInputSource() no valid effects found in source %s", root->name); 909 delete source; 910 return NULL; 911 } 912 return source; 913} 914 915status_t AudioPolicyService::loadInputSources(cnode *root, const Vector <EffectDesc *>& effects) 916{ 917 cnode *node = config_find(root, PREPROCESSING_TAG); 918 if (node == NULL) { 919 return -ENOENT; 920 } 921 node = node->first_child; 922 while (node) { 923 audio_source_t source = inputSourceNameToEnum(node->name); 924 if (source == AUDIO_SOURCE_CNT) { 925 ALOGW("loadInputSources() invalid input source %s", node->name); 926 node = node->next; 927 continue; 928 } 929 ALOGV("loadInputSources() loading input source %s", node->name); 930 InputSourceDesc *desc = loadInputSource(node, effects); 931 if (desc == NULL) { 932 node = node->next; 933 continue; 934 } 935 mInputSources.add(source, desc); 936 node = node->next; 937 } 938 return NO_ERROR; 939} 940 941AudioPolicyService::EffectDesc *AudioPolicyService::loadEffect(cnode *root) 942{ 943 cnode *node = config_find(root, UUID_TAG); 944 if (node == NULL) { 945 return NULL; 946 } 947 effect_uuid_t uuid; 948 if (AudioEffect::stringToGuid(node->value, &uuid) != NO_ERROR) { 949 ALOGW("loadEffect() invalid uuid %s", node->value); 950 return NULL; 951 } 952 return new EffectDesc(root->name, uuid); 953} 954 955status_t AudioPolicyService::loadEffects(cnode *root, Vector <EffectDesc *>& effects) 956{ 957 cnode *node = config_find(root, EFFECTS_TAG); 958 if (node == NULL) { 959 return -ENOENT; 960 } 961 node = node->first_child; 962 while (node) { 963 ALOGV("loadEffects() loading effect %s", node->name); 964 EffectDesc *effect = loadEffect(node); 965 if (effect == NULL) { 966 node = node->next; 967 continue; 968 } 969 effects.add(effect); 970 node = node->next; 971 } 972 return NO_ERROR; 973} 974 975status_t AudioPolicyService::loadPreProcessorConfig(const char *path) 976{ 977 cnode *root; 978 char *data; 979 980 data = (char *)load_file(path, NULL); 981 if (data == NULL) { 982 return -ENODEV; 983 } 984 root = config_node("", ""); 985 config_load(root, data); 986 987 Vector <EffectDesc *> effects; 988 loadEffects(root, effects); 989 loadInputSources(root, effects); 990 991 // delete effects to fix memory leak. 992 // as effects is local var and valgrind would treat this as memory leak 993 // and although it only did in mediaserver init, but free it in case mediaserver reboot 994 size_t i; 995 for (i = 0; i < effects.size(); i++) { 996 delete effects[i]; 997 } 998 999 config_free(root); 1000 free(root); 1001 free(data); 1002 1003 return NO_ERROR; 1004} 1005 1006extern "C" { 1007audio_module_handle_t aps_load_hw_module(void *service __unused, 1008 const char *name); 1009audio_io_handle_t aps_open_output(void *service __unused, 1010 audio_devices_t *pDevices, 1011 uint32_t *pSamplingRate, 1012 audio_format_t *pFormat, 1013 audio_channel_mask_t *pChannelMask, 1014 uint32_t *pLatencyMs, 1015 audio_output_flags_t flags); 1016 1017audio_io_handle_t aps_open_output_on_module(void *service __unused, 1018 audio_module_handle_t module, 1019 audio_devices_t *pDevices, 1020 uint32_t *pSamplingRate, 1021 audio_format_t *pFormat, 1022 audio_channel_mask_t *pChannelMask, 1023 uint32_t *pLatencyMs, 1024 audio_output_flags_t flags, 1025 const audio_offload_info_t *offloadInfo); 1026audio_io_handle_t aps_open_dup_output(void *service __unused, 1027 audio_io_handle_t output1, 1028 audio_io_handle_t output2); 1029int aps_close_output(void *service __unused, audio_io_handle_t output); 1030int aps_suspend_output(void *service __unused, audio_io_handle_t output); 1031int aps_restore_output(void *service __unused, audio_io_handle_t output); 1032audio_io_handle_t aps_open_input(void *service __unused, 1033 audio_devices_t *pDevices, 1034 uint32_t *pSamplingRate, 1035 audio_format_t *pFormat, 1036 audio_channel_mask_t *pChannelMask, 1037 audio_in_acoustics_t acoustics __unused); 1038audio_io_handle_t aps_open_input_on_module(void *service __unused, 1039 audio_module_handle_t module, 1040 audio_devices_t *pDevices, 1041 uint32_t *pSamplingRate, 1042 audio_format_t *pFormat, 1043 audio_channel_mask_t *pChannelMask); 1044int aps_close_input(void *service __unused, audio_io_handle_t input); 1045int aps_invalidate_stream(void *service __unused, audio_stream_type_t stream); 1046int aps_move_effects(void *service __unused, int session, 1047 audio_io_handle_t src_output, 1048 audio_io_handle_t dst_output); 1049char * aps_get_parameters(void *service __unused, audio_io_handle_t io_handle, 1050 const char *keys); 1051void aps_set_parameters(void *service, audio_io_handle_t io_handle, 1052 const char *kv_pairs, int delay_ms); 1053int aps_set_stream_volume(void *service, audio_stream_type_t stream, 1054 float volume, audio_io_handle_t output, 1055 int delay_ms); 1056int aps_start_tone(void *service, audio_policy_tone_t tone, 1057 audio_stream_type_t stream); 1058int aps_stop_tone(void *service); 1059int aps_set_voice_volume(void *service, float volume, int delay_ms); 1060}; 1061 1062namespace { 1063 struct audio_policy_service_ops aps_ops = { 1064 .open_output = aps_open_output, 1065 .open_duplicate_output = aps_open_dup_output, 1066 .close_output = aps_close_output, 1067 .suspend_output = aps_suspend_output, 1068 .restore_output = aps_restore_output, 1069 .open_input = aps_open_input, 1070 .close_input = aps_close_input, 1071 .set_stream_volume = aps_set_stream_volume, 1072 .invalidate_stream = aps_invalidate_stream, 1073 .set_parameters = aps_set_parameters, 1074 .get_parameters = aps_get_parameters, 1075 .start_tone = aps_start_tone, 1076 .stop_tone = aps_stop_tone, 1077 .set_voice_volume = aps_set_voice_volume, 1078 .move_effects = aps_move_effects, 1079 .load_hw_module = aps_load_hw_module, 1080 .open_output_on_module = aps_open_output_on_module, 1081 .open_input_on_module = aps_open_input_on_module, 1082 }; 1083}; // namespace <unnamed> 1084 1085}; // namespace android 1086