| /* |
| * Copyright (C) 2015 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 "APM::AudioPolicyEngine" |
| //#define LOG_NDEBUG 0 |
| |
| //#define VERY_VERBOSE_LOGGING |
| #ifdef VERY_VERBOSE_LOGGING |
| #define ALOGVV ALOGV |
| #else |
| #define ALOGVV(a...) do { } while(0) |
| #endif |
| |
| #include "Engine.h" |
| #include <android-base/macros.h> |
| #include <AudioPolicyManagerObserver.h> |
| #include <AudioPort.h> |
| #include <IOProfile.h> |
| #include <AudioIODescriptorInterface.h> |
| #include <policy.h> |
| #include <utils/String8.h> |
| #include <utils/Log.h> |
| |
| namespace android |
| { |
| namespace audio_policy |
| { |
| |
| struct legacy_strategy_map { const char *name; legacy_strategy id; }; |
| static const std::vector<legacy_strategy_map> gLegacyStrategy = { |
| { "STRATEGY_NONE", STRATEGY_NONE }, |
| { "STRATEGY_MEDIA", STRATEGY_MEDIA }, |
| { "STRATEGY_PHONE", STRATEGY_PHONE }, |
| { "STRATEGY_SONIFICATION", STRATEGY_SONIFICATION }, |
| { "STRATEGY_SONIFICATION_RESPECTFUL", STRATEGY_SONIFICATION_RESPECTFUL }, |
| { "STRATEGY_DTMF", STRATEGY_DTMF }, |
| { "STRATEGY_ENFORCED_AUDIBLE", STRATEGY_ENFORCED_AUDIBLE }, |
| { "STRATEGY_TRANSMITTED_THROUGH_SPEAKER", STRATEGY_TRANSMITTED_THROUGH_SPEAKER }, |
| { "STRATEGY_ACCESSIBILITY", STRATEGY_ACCESSIBILITY }, |
| { "STRATEGY_REROUTING", STRATEGY_REROUTING }, |
| { "STRATEGY_PATCH", STRATEGY_REROUTING }, // boiler to manage stream patch volume |
| }; |
| |
| Engine::Engine() |
| { |
| auto result = EngineBase::loadAudioPolicyEngineConfig(); |
| ALOGE_IF(result.nbSkippedElement != 0, |
| "Policy Engine configuration is partially invalid, skipped %zu elements", |
| result.nbSkippedElement); |
| |
| for (const auto &strategy : gLegacyStrategy) { |
| mLegacyStrategyMap[getProductStrategyByName(strategy.name)] = strategy.id; |
| } |
| } |
| |
| status_t Engine::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) |
| { |
| switch(usage) { |
| case AUDIO_POLICY_FORCE_FOR_COMMUNICATION: |
| if (config != AUDIO_POLICY_FORCE_SPEAKER && config != AUDIO_POLICY_FORCE_BT_SCO && |
| config != AUDIO_POLICY_FORCE_NONE) { |
| ALOGW("setForceUse() invalid config %d for FOR_COMMUNICATION", config); |
| return BAD_VALUE; |
| } |
| break; |
| case AUDIO_POLICY_FORCE_FOR_MEDIA: |
| if (config != AUDIO_POLICY_FORCE_HEADPHONES && config != AUDIO_POLICY_FORCE_BT_A2DP && |
| config != AUDIO_POLICY_FORCE_WIRED_ACCESSORY && |
| config != AUDIO_POLICY_FORCE_ANALOG_DOCK && |
| config != AUDIO_POLICY_FORCE_DIGITAL_DOCK && config != AUDIO_POLICY_FORCE_NONE && |
| config != AUDIO_POLICY_FORCE_NO_BT_A2DP && config != AUDIO_POLICY_FORCE_SPEAKER ) { |
| ALOGW("setForceUse() invalid config %d for FOR_MEDIA", config); |
| return BAD_VALUE; |
| } |
| break; |
| case AUDIO_POLICY_FORCE_FOR_RECORD: |
| if (config != AUDIO_POLICY_FORCE_BT_SCO && config != AUDIO_POLICY_FORCE_WIRED_ACCESSORY && |
| config != AUDIO_POLICY_FORCE_NONE) { |
| ALOGW("setForceUse() invalid config %d for FOR_RECORD", config); |
| return BAD_VALUE; |
| } |
| break; |
| case AUDIO_POLICY_FORCE_FOR_DOCK: |
| if (config != AUDIO_POLICY_FORCE_NONE && config != AUDIO_POLICY_FORCE_BT_CAR_DOCK && |
| config != AUDIO_POLICY_FORCE_BT_DESK_DOCK && |
| config != AUDIO_POLICY_FORCE_WIRED_ACCESSORY && |
| config != AUDIO_POLICY_FORCE_ANALOG_DOCK && |
| config != AUDIO_POLICY_FORCE_DIGITAL_DOCK) { |
| ALOGW("setForceUse() invalid config %d for FOR_DOCK", config); |
| } |
| break; |
| case AUDIO_POLICY_FORCE_FOR_SYSTEM: |
| if (config != AUDIO_POLICY_FORCE_NONE && |
| config != AUDIO_POLICY_FORCE_SYSTEM_ENFORCED) { |
| ALOGW("setForceUse() invalid config %d for FOR_SYSTEM", config); |
| } |
| break; |
| case AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO: |
| if (config != AUDIO_POLICY_FORCE_NONE && |
| config != AUDIO_POLICY_FORCE_HDMI_SYSTEM_AUDIO_ENFORCED) { |
| ALOGW("setForceUse() invalid config %d for HDMI_SYSTEM_AUDIO", config); |
| } |
| break; |
| case AUDIO_POLICY_FORCE_FOR_ENCODED_SURROUND: |
| if (config != AUDIO_POLICY_FORCE_NONE && |
| config != AUDIO_POLICY_FORCE_ENCODED_SURROUND_NEVER && |
| config != AUDIO_POLICY_FORCE_ENCODED_SURROUND_ALWAYS && |
| config != AUDIO_POLICY_FORCE_ENCODED_SURROUND_MANUAL) { |
| ALOGW("setForceUse() invalid config %d for ENCODED_SURROUND", config); |
| return BAD_VALUE; |
| } |
| break; |
| case AUDIO_POLICY_FORCE_FOR_VIBRATE_RINGING: |
| if (config != AUDIO_POLICY_FORCE_BT_SCO && config != AUDIO_POLICY_FORCE_NONE) { |
| ALOGW("setForceUse() invalid config %d for FOR_VIBRATE_RINGING", config); |
| return BAD_VALUE; |
| } |
| break; |
| default: |
| ALOGW("setForceUse() invalid usage %d", usage); |
| break; // TODO return BAD_VALUE? |
| } |
| return EngineBase::setForceUse(usage, config); |
| } |
| |
| audio_devices_t Engine::getDeviceForStrategyInt(legacy_strategy strategy, |
| DeviceVector availableOutputDevices, |
| DeviceVector availableInputDevices, |
| const SwAudioOutputCollection &outputs, |
| uint32_t outputDeviceTypesToIgnore) const |
| { |
| uint32_t device = AUDIO_DEVICE_NONE; |
| uint32_t availableOutputDevicesType = |
| availableOutputDevices.types() & ~outputDeviceTypesToIgnore; |
| |
| switch (strategy) { |
| |
| case STRATEGY_TRANSMITTED_THROUGH_SPEAKER: |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER; |
| break; |
| |
| case STRATEGY_SONIFICATION_RESPECTFUL: |
| if (isInCall() || outputs.isActiveLocally(toVolumeSource(AUDIO_STREAM_VOICE_CALL))) { |
| device = getDeviceForStrategyInt( |
| STRATEGY_SONIFICATION, availableOutputDevices, availableInputDevices, outputs, |
| outputDeviceTypesToIgnore); |
| } else { |
| bool media_active_locally = |
| outputs.isActiveLocally(toVolumeSource(AUDIO_STREAM_MUSIC), |
| SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY) |
| || outputs.isActiveLocally( |
| toVolumeSource(AUDIO_STREAM_ACCESSIBILITY), |
| SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY); |
| // routing is same as media without the "remote" device |
| device = getDeviceForStrategyInt(STRATEGY_MEDIA, |
| availableOutputDevices, |
| availableInputDevices, outputs, |
| AUDIO_DEVICE_OUT_REMOTE_SUBMIX | outputDeviceTypesToIgnore); |
| // if no media is playing on the device, check for mandatory use of "safe" speaker |
| // when media would have played on speaker, and the safe speaker path is available |
| if (!media_active_locally |
| && (device & AUDIO_DEVICE_OUT_SPEAKER) |
| && (availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER_SAFE)) { |
| device |= AUDIO_DEVICE_OUT_SPEAKER_SAFE; |
| device &= ~AUDIO_DEVICE_OUT_SPEAKER; |
| } |
| } |
| break; |
| |
| case STRATEGY_DTMF: |
| if (!isInCall()) { |
| // when off call, DTMF strategy follows the same rules as MEDIA strategy |
| device = getDeviceForStrategyInt( |
| STRATEGY_MEDIA, availableOutputDevices, availableInputDevices, outputs, |
| outputDeviceTypesToIgnore); |
| break; |
| } |
| // when in call, DTMF and PHONE strategies follow the same rules |
| FALLTHROUGH_INTENDED; |
| |
| case STRATEGY_PHONE: |
| // Force use of only devices on primary output if: |
| // - in call AND |
| // - cannot route from voice call RX OR |
| // - audio HAL version is < 3.0 and TX device is on the primary HW module |
| if (getPhoneState() == AUDIO_MODE_IN_CALL) { |
| audio_devices_t txDevice = getDeviceForInputSource(AUDIO_SOURCE_VOICE_COMMUNICATION); |
| sp<AudioOutputDescriptor> primaryOutput = outputs.getPrimaryOutput(); |
| audio_devices_t availPrimaryInputDevices = |
| availableInputDevices.getDeviceTypesFromHwModule(primaryOutput->getModuleHandle()); |
| |
| // TODO: getPrimaryOutput return only devices from first module in |
| // audio_policy_configuration.xml, hearing aid is not there, but it's |
| // a primary device |
| // FIXME: this is not the right way of solving this problem |
| audio_devices_t availPrimaryOutputDevices = |
| (primaryOutput->supportedDevices().types() | AUDIO_DEVICE_OUT_HEARING_AID) & |
| availableOutputDevices.types(); |
| |
| if (((availableInputDevices.types() & |
| AUDIO_DEVICE_IN_TELEPHONY_RX & ~AUDIO_DEVICE_BIT_IN) == 0) || |
| (((txDevice & availPrimaryInputDevices & ~AUDIO_DEVICE_BIT_IN) != 0) && |
| (primaryOutput->getAudioPort()->getModuleVersionMajor() < 3))) { |
| availableOutputDevicesType = availPrimaryOutputDevices; |
| } |
| } |
| // for phone strategy, we first consider the forced use and then the available devices by |
| // order of priority |
| switch (getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION)) { |
| case AUDIO_POLICY_FORCE_BT_SCO: |
| if (!isInCall() || strategy != STRATEGY_DTMF) { |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT; |
| if (device) break; |
| } |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_SCO; |
| if (device) break; |
| // if SCO device is requested but no SCO device is available, fall back to default case |
| FALLTHROUGH_INTENDED; |
| |
| default: // FORCE_NONE |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_HEARING_AID; |
| if (device) break; |
| // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to A2DP |
| if (!isInCall() && |
| (getForceUse(AUDIO_POLICY_FORCE_FOR_MEDIA) != AUDIO_POLICY_FORCE_NO_BT_A2DP) && |
| outputs.isA2dpSupported()) { |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES; |
| if (device) break; |
| } |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_WIRED_HEADPHONE; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_WIRED_HEADSET; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_LINE; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_HEADSET; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_DEVICE; |
| if (device) break; |
| if (!isInCall()) { |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_ACCESSORY; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_AUX_DIGITAL; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET; |
| if (device) break; |
| } |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_EARPIECE; |
| break; |
| |
| case AUDIO_POLICY_FORCE_SPEAKER: |
| // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to |
| // A2DP speaker when forcing to speaker output |
| if (!isInCall() && |
| (getForceUse(AUDIO_POLICY_FORCE_FOR_MEDIA) != AUDIO_POLICY_FORCE_NO_BT_A2DP) && |
| outputs.isA2dpSupported()) { |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER; |
| if (device) break; |
| } |
| if (!isInCall()) { |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_ACCESSORY; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_DEVICE; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_AUX_DIGITAL; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET; |
| if (device) break; |
| } |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER; |
| break; |
| } |
| break; |
| |
| case STRATEGY_SONIFICATION: |
| |
| // If incall, just select the STRATEGY_PHONE device |
| if (isInCall() || |
| outputs.isActiveLocally(toVolumeSource(AUDIO_STREAM_VOICE_CALL))) { |
| device = getDeviceForStrategyInt( |
| STRATEGY_PHONE, availableOutputDevices, availableInputDevices, outputs, |
| outputDeviceTypesToIgnore); |
| break; |
| } |
| FALLTHROUGH_INTENDED; |
| |
| case STRATEGY_ENFORCED_AUDIBLE: |
| // strategy STRATEGY_ENFORCED_AUDIBLE uses same routing policy as STRATEGY_SONIFICATION |
| // except: |
| // - when in call where it doesn't default to STRATEGY_PHONE behavior |
| // - in countries where not enforced in which case it follows STRATEGY_MEDIA |
| |
| if ((strategy == STRATEGY_SONIFICATION) || |
| (getForceUse(AUDIO_POLICY_FORCE_FOR_SYSTEM) == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED)) { |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER; |
| } |
| |
| // if SCO headset is connected and we are told to use it, play ringtone over |
| // speaker and BT SCO |
| if ((availableOutputDevicesType & AUDIO_DEVICE_OUT_ALL_SCO) != 0) { |
| uint32_t device2 = AUDIO_DEVICE_NONE; |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT; |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET; |
| } |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_SCO; |
| } |
| // Use ONLY Bluetooth SCO output when ringing in vibration mode |
| if (!((getForceUse(AUDIO_POLICY_FORCE_FOR_SYSTEM) == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED) |
| && (strategy == STRATEGY_ENFORCED_AUDIBLE))) { |
| if (getForceUse(AUDIO_POLICY_FORCE_FOR_VIBRATE_RINGING) |
| == AUDIO_POLICY_FORCE_BT_SCO) { |
| if (device2 != AUDIO_DEVICE_NONE) { |
| device = device2; |
| break; |
| } |
| } |
| } |
| // Use both Bluetooth SCO and phone default output when ringing in normal mode |
| if (getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION) == AUDIO_POLICY_FORCE_BT_SCO) { |
| if ((strategy == STRATEGY_SONIFICATION) && |
| (device & AUDIO_DEVICE_OUT_SPEAKER) && |
| (availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER_SAFE)) { |
| device |= AUDIO_DEVICE_OUT_SPEAKER_SAFE; |
| device &= ~AUDIO_DEVICE_OUT_SPEAKER; |
| } |
| if (device2 != AUDIO_DEVICE_NONE) { |
| device |= device2; |
| break; |
| } |
| } |
| } |
| // The second device used for sonification is the same as the device used by media strategy |
| FALLTHROUGH_INTENDED; |
| |
| case STRATEGY_ACCESSIBILITY: |
| if (strategy == STRATEGY_ACCESSIBILITY) { |
| // do not route accessibility prompts to a digital output currently configured with a |
| // compressed format as they would likely not be mixed and dropped. |
| for (size_t i = 0; i < outputs.size(); i++) { |
| sp<AudioOutputDescriptor> desc = outputs.valueAt(i); |
| audio_devices_t devices = desc->devices().types() & |
| (AUDIO_DEVICE_OUT_HDMI | AUDIO_DEVICE_OUT_SPDIF | AUDIO_DEVICE_OUT_HDMI_ARC); |
| if (desc->isActive() && !audio_is_linear_pcm(desc->mFormat) && |
| devices != AUDIO_DEVICE_NONE) { |
| availableOutputDevicesType = availableOutputDevices.types() & ~devices; |
| } |
| } |
| availableOutputDevices = |
| availableOutputDevices.getDevicesFromTypeMask(availableOutputDevicesType); |
| if (outputs.isActive(toVolumeSource(AUDIO_STREAM_RING)) || |
| outputs.isActive(toVolumeSource(AUDIO_STREAM_ALARM))) { |
| return getDeviceForStrategyInt( |
| STRATEGY_SONIFICATION, availableOutputDevices, availableInputDevices, outputs, |
| outputDeviceTypesToIgnore); |
| } |
| if (isInCall()) { |
| return getDeviceForStrategyInt( |
| STRATEGY_PHONE, availableOutputDevices, availableInputDevices, outputs, |
| outputDeviceTypesToIgnore); |
| } |
| } |
| // For other cases, STRATEGY_ACCESSIBILITY behaves like STRATEGY_MEDIA |
| FALLTHROUGH_INTENDED; |
| |
| // FIXME: STRATEGY_REROUTING follow STRATEGY_MEDIA for now |
| case STRATEGY_REROUTING: |
| case STRATEGY_MEDIA: { |
| uint32_t device2 = AUDIO_DEVICE_NONE; |
| if (strategy != STRATEGY_SONIFICATION) { |
| // no sonification on remote submix (e.g. WFD) |
| if (availableOutputDevices.getDevice(AUDIO_DEVICE_OUT_REMOTE_SUBMIX, |
| String8("0"), AUDIO_FORMAT_DEFAULT) != 0) { |
| device2 = availableOutputDevices.types() & AUDIO_DEVICE_OUT_REMOTE_SUBMIX; |
| } |
| } |
| if (isInCall() && (strategy == STRATEGY_MEDIA)) { |
| device = getDeviceForStrategyInt( |
| STRATEGY_PHONE, availableOutputDevices, availableInputDevices, outputs, |
| outputDeviceTypesToIgnore); |
| break; |
| } |
| // FIXME: Find a better solution to prevent routing to BT hearing aid(b/122931261). |
| if ((device2 == AUDIO_DEVICE_NONE) && |
| (getForceUse(AUDIO_POLICY_FORCE_FOR_MEDIA) != AUDIO_POLICY_FORCE_NO_BT_A2DP)) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_HEARING_AID; |
| } |
| if ((device2 == AUDIO_DEVICE_NONE) && |
| (getForceUse(AUDIO_POLICY_FORCE_FOR_MEDIA) != AUDIO_POLICY_FORCE_NO_BT_A2DP) && |
| outputs.isA2dpSupported()) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP; |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES; |
| } |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER; |
| } |
| } |
| if ((device2 == AUDIO_DEVICE_NONE) && |
| (getForceUse(AUDIO_POLICY_FORCE_FOR_MEDIA) == AUDIO_POLICY_FORCE_SPEAKER)) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER; |
| } |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_WIRED_HEADPHONE; |
| } |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_LINE; |
| } |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_WIRED_HEADSET; |
| } |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_HEADSET; |
| } |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_ACCESSORY; |
| } |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_USB_DEVICE; |
| } |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET; |
| } |
| if ((device2 == AUDIO_DEVICE_NONE) && (strategy != STRATEGY_SONIFICATION)) { |
| // no sonification on aux digital (e.g. HDMI) |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_AUX_DIGITAL; |
| } |
| if ((device2 == AUDIO_DEVICE_NONE) && |
| (getForceUse(AUDIO_POLICY_FORCE_FOR_DOCK) == AUDIO_POLICY_FORCE_ANALOG_DOCK)) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET; |
| } |
| if (device2 == AUDIO_DEVICE_NONE) { |
| device2 = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER; |
| } |
| int device3 = AUDIO_DEVICE_NONE; |
| if (strategy == STRATEGY_MEDIA) { |
| // ARC, SPDIF and AUX_LINE can co-exist with others. |
| device3 = availableOutputDevicesType & AUDIO_DEVICE_OUT_HDMI_ARC; |
| device3 |= (availableOutputDevicesType & AUDIO_DEVICE_OUT_SPDIF); |
| device3 |= (availableOutputDevicesType & AUDIO_DEVICE_OUT_AUX_LINE); |
| } |
| |
| device2 |= device3; |
| // device is DEVICE_OUT_SPEAKER if we come from case STRATEGY_SONIFICATION or |
| // STRATEGY_ENFORCED_AUDIBLE, AUDIO_DEVICE_NONE otherwise |
| device |= device2; |
| |
| // If hdmi system audio mode is on, remove speaker out of output list. |
| if ((strategy == STRATEGY_MEDIA) && |
| (getForceUse(AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO) == |
| AUDIO_POLICY_FORCE_HDMI_SYSTEM_AUDIO_ENFORCED)) { |
| device &= ~AUDIO_DEVICE_OUT_SPEAKER; |
| } |
| |
| // for STRATEGY_SONIFICATION: |
| // if SPEAKER was selected, and SPEAKER_SAFE is available, use SPEAKER_SAFE instead |
| if ((strategy == STRATEGY_SONIFICATION) && |
| (device & AUDIO_DEVICE_OUT_SPEAKER) && |
| (availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER_SAFE)) { |
| device |= AUDIO_DEVICE_OUT_SPEAKER_SAFE; |
| device &= ~AUDIO_DEVICE_OUT_SPEAKER; |
| } |
| } break; |
| |
| default: |
| ALOGW("getDeviceForStrategy() unknown strategy: %d", strategy); |
| break; |
| } |
| |
| if (device == AUDIO_DEVICE_NONE) { |
| ALOGV("getDeviceForStrategy() no device found for strategy %d", strategy); |
| device = getApmObserver()->getDefaultOutputDevice()->type(); |
| ALOGE_IF(device == AUDIO_DEVICE_NONE, |
| "getDeviceForStrategy() no default device defined"); |
| } |
| ALOGVV("getDeviceForStrategy() strategy %d, device %x", strategy, device); |
| return device; |
| } |
| |
| |
| audio_devices_t Engine::getDeviceForInputSource(audio_source_t inputSource) const |
| { |
| const DeviceVector availableOutputDevices = getApmObserver()->getAvailableOutputDevices(); |
| const DeviceVector availableInputDevices = getApmObserver()->getAvailableInputDevices(); |
| const SwAudioOutputCollection &outputs = getApmObserver()->getOutputs(); |
| audio_devices_t availableDeviceTypes = availableInputDevices.types() & ~AUDIO_DEVICE_BIT_IN; |
| sp<AudioOutputDescriptor> primaryOutput = outputs.getPrimaryOutput(); |
| audio_devices_t availablePrimaryDeviceTypes = availableInputDevices.getDeviceTypesFromHwModule( |
| primaryOutput->getModuleHandle()) & ~AUDIO_DEVICE_BIT_IN; |
| uint32_t device = AUDIO_DEVICE_NONE; |
| |
| // when a call is active, force device selection to match source VOICE_COMMUNICATION |
| // for most other input sources to avoid rerouting call TX audio |
| if (isInCall()) { |
| switch (inputSource) { |
| case AUDIO_SOURCE_DEFAULT: |
| case AUDIO_SOURCE_MIC: |
| case AUDIO_SOURCE_VOICE_RECOGNITION: |
| case AUDIO_SOURCE_UNPROCESSED: |
| case AUDIO_SOURCE_HOTWORD: |
| case AUDIO_SOURCE_CAMCORDER: |
| case AUDIO_SOURCE_VOICE_PERFORMANCE: |
| inputSource = AUDIO_SOURCE_VOICE_COMMUNICATION; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| switch (inputSource) { |
| case AUDIO_SOURCE_DEFAULT: |
| case AUDIO_SOURCE_MIC: |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_A2DP) { |
| device = AUDIO_DEVICE_IN_BLUETOOTH_A2DP; |
| } else if ((getForceUse(AUDIO_POLICY_FORCE_FOR_RECORD) == AUDIO_POLICY_FORCE_BT_SCO) && |
| (availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET)) { |
| device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) { |
| device = AUDIO_DEVICE_IN_WIRED_HEADSET; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_HEADSET) { |
| device = AUDIO_DEVICE_IN_USB_HEADSET; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) { |
| device = AUDIO_DEVICE_IN_USB_DEVICE; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) { |
| device = AUDIO_DEVICE_IN_BUILTIN_MIC; |
| } |
| break; |
| |
| case AUDIO_SOURCE_VOICE_COMMUNICATION: |
| // Allow only use of devices on primary input if in call and HAL does not support routing |
| // to voice call path. |
| if ((getPhoneState() == AUDIO_MODE_IN_CALL) && |
| (availableOutputDevices.types() & AUDIO_DEVICE_OUT_TELEPHONY_TX) == 0) { |
| availableDeviceTypes = availablePrimaryDeviceTypes; |
| } |
| |
| switch (getForceUse(AUDIO_POLICY_FORCE_FOR_COMMUNICATION)) { |
| case AUDIO_POLICY_FORCE_BT_SCO: |
| // if SCO device is requested but no SCO device is available, fall back to default case |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) { |
| device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET; |
| break; |
| } |
| FALLTHROUGH_INTENDED; |
| |
| default: // FORCE_NONE |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) { |
| device = AUDIO_DEVICE_IN_WIRED_HEADSET; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_HEADSET) { |
| device = AUDIO_DEVICE_IN_USB_HEADSET; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) { |
| device = AUDIO_DEVICE_IN_USB_DEVICE; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) { |
| device = AUDIO_DEVICE_IN_BUILTIN_MIC; |
| } |
| break; |
| |
| case AUDIO_POLICY_FORCE_SPEAKER: |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_BACK_MIC) { |
| device = AUDIO_DEVICE_IN_BACK_MIC; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) { |
| device = AUDIO_DEVICE_IN_BUILTIN_MIC; |
| } |
| break; |
| } |
| break; |
| |
| case AUDIO_SOURCE_VOICE_RECOGNITION: |
| case AUDIO_SOURCE_UNPROCESSED: |
| case AUDIO_SOURCE_HOTWORD: |
| if (inputSource == AUDIO_SOURCE_HOTWORD) { |
| availableDeviceTypes = availablePrimaryDeviceTypes; |
| } |
| if (getForceUse(AUDIO_POLICY_FORCE_FOR_RECORD) == AUDIO_POLICY_FORCE_BT_SCO && |
| availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) { |
| device = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) { |
| device = AUDIO_DEVICE_IN_WIRED_HEADSET; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_HEADSET) { |
| device = AUDIO_DEVICE_IN_USB_HEADSET; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) { |
| device = AUDIO_DEVICE_IN_USB_DEVICE; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) { |
| device = AUDIO_DEVICE_IN_BUILTIN_MIC; |
| } |
| break; |
| case AUDIO_SOURCE_CAMCORDER: |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_BACK_MIC) { |
| device = AUDIO_DEVICE_IN_BACK_MIC; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) { |
| device = AUDIO_DEVICE_IN_BUILTIN_MIC; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) { |
| // This is specifically for a device without built-in mic |
| device = AUDIO_DEVICE_IN_USB_DEVICE; |
| } |
| break; |
| case AUDIO_SOURCE_VOICE_DOWNLINK: |
| case AUDIO_SOURCE_VOICE_CALL: |
| case AUDIO_SOURCE_VOICE_UPLINK: |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_VOICE_CALL) { |
| device = AUDIO_DEVICE_IN_VOICE_CALL; |
| } |
| break; |
| case AUDIO_SOURCE_VOICE_PERFORMANCE: |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) { |
| device = AUDIO_DEVICE_IN_WIRED_HEADSET; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_HEADSET) { |
| device = AUDIO_DEVICE_IN_USB_HEADSET; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_USB_DEVICE) { |
| device = AUDIO_DEVICE_IN_USB_DEVICE; |
| } else if (availableDeviceTypes & AUDIO_DEVICE_IN_BUILTIN_MIC) { |
| device = AUDIO_DEVICE_IN_BUILTIN_MIC; |
| } |
| break; |
| case AUDIO_SOURCE_REMOTE_SUBMIX: |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_REMOTE_SUBMIX) { |
| device = AUDIO_DEVICE_IN_REMOTE_SUBMIX; |
| } |
| break; |
| case AUDIO_SOURCE_FM_TUNER: |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_FM_TUNER) { |
| device = AUDIO_DEVICE_IN_FM_TUNER; |
| } |
| break; |
| case AUDIO_SOURCE_ECHO_REFERENCE: |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_ECHO_REFERENCE) { |
| device = AUDIO_DEVICE_IN_ECHO_REFERENCE; |
| } |
| break; |
| default: |
| ALOGW("getDeviceForInputSource() invalid input source %d", inputSource); |
| break; |
| } |
| if (device == AUDIO_DEVICE_NONE) { |
| ALOGV("getDeviceForInputSource() no device found for source %d", inputSource); |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_STUB) { |
| device = AUDIO_DEVICE_IN_STUB; |
| } |
| ALOGE_IF(device == AUDIO_DEVICE_NONE, |
| "getDeviceForInputSource() no default device defined"); |
| } |
| ALOGV("getDeviceForInputSource()input source %d, device %08x", inputSource, device); |
| return device; |
| } |
| |
| void Engine::updateDeviceSelectionCache() |
| { |
| for (const auto &iter : getProductStrategies()) { |
| const auto &strategy = iter.second; |
| auto devices = getDevicesForProductStrategy(strategy->getId()); |
| mDevicesForStrategies[strategy->getId()] = devices; |
| strategy->setDeviceTypes(devices.types()); |
| strategy->setDeviceAddress(devices.getFirstValidAddress().c_str()); |
| } |
| } |
| |
| DeviceVector Engine::getDevicesForProductStrategy(product_strategy_t strategy) const |
| { |
| DeviceVector availableOutputDevices = getApmObserver()->getAvailableOutputDevices(); |
| DeviceVector availableInputDevices = getApmObserver()->getAvailableInputDevices(); |
| const SwAudioOutputCollection &outputs = getApmObserver()->getOutputs(); |
| |
| auto legacyStrategy = mLegacyStrategyMap.find(strategy) != end(mLegacyStrategyMap) ? |
| mLegacyStrategyMap.at(strategy) : STRATEGY_NONE; |
| audio_devices_t devices = getDeviceForStrategyInt(legacyStrategy, |
| availableOutputDevices, |
| availableInputDevices, outputs, |
| (uint32_t)AUDIO_DEVICE_NONE); |
| return availableOutputDevices.getDevicesFromTypeMask(devices); |
| } |
| |
| DeviceVector Engine::getOutputDevicesForAttributes(const audio_attributes_t &attributes, |
| const sp<DeviceDescriptor> &preferredDevice, |
| bool fromCache) const |
| { |
| // First check for explict routing device |
| if (preferredDevice != nullptr) { |
| ALOGV("%s explicit Routing on device %s", __func__, preferredDevice->toString().c_str()); |
| return DeviceVector(preferredDevice); |
| } |
| product_strategy_t strategy = getProductStrategyForAttributes(attributes); |
| const DeviceVector availableOutputDevices = getApmObserver()->getAvailableOutputDevices(); |
| const SwAudioOutputCollection &outputs = getApmObserver()->getOutputs(); |
| // |
| // @TODO: what is the priority of explicit routing? Shall it be considered first as it used to |
| // be by APM? |
| // |
| // Honor explicit routing requests only if all active clients have a preferred route in which |
| // case the last active client route is used |
| sp<DeviceDescriptor> device = findPreferredDevice(outputs, strategy, availableOutputDevices); |
| if (device != nullptr) { |
| return DeviceVector(device); |
| } |
| |
| return fromCache? mDevicesForStrategies.at(strategy) : getDevicesForProductStrategy(strategy); |
| } |
| |
| DeviceVector Engine::getOutputDevicesForStream(audio_stream_type_t stream, bool fromCache) const |
| { |
| auto attributes = getAttributesForStreamType(stream); |
| return getOutputDevicesForAttributes(attributes, nullptr, fromCache); |
| } |
| |
| sp<DeviceDescriptor> Engine::getInputDeviceForAttributes(const audio_attributes_t &attr, |
| sp<AudioPolicyMix> *mix) const |
| { |
| const auto &policyMixes = getApmObserver()->getAudioPolicyMixCollection(); |
| const auto availableInputDevices = getApmObserver()->getAvailableInputDevices(); |
| const auto &inputs = getApmObserver()->getInputs(); |
| std::string address; |
| |
| // |
| // Explicit Routing ??? what is the priority of explicit routing? Shall it be considered |
| // first as it used to be by APM? |
| // |
| // Honor explicit routing requests only if all active clients have a preferred route in which |
| // case the last active client route is used |
| sp<DeviceDescriptor> device = |
| findPreferredDevice(inputs, attr.source, availableInputDevices); |
| if (device != nullptr) { |
| return device; |
| } |
| |
| device = policyMixes.getDeviceAndMixForInputSource(attr.source, availableInputDevices, mix); |
| if (device != nullptr) { |
| return device; |
| } |
| audio_devices_t deviceType = getDeviceForInputSource(attr.source); |
| |
| if (audio_is_remote_submix_device(deviceType)) { |
| address = "0"; |
| std::size_t pos; |
| std::string tags { attr.tags }; |
| if ((pos = tags.find("addr=")) != std::string::npos) { |
| address = tags.substr(pos + std::strlen("addr=")); |
| } |
| } |
| return availableInputDevices.getDevice(deviceType, |
| String8(address.c_str()), |
| AUDIO_FORMAT_DEFAULT); |
| } |
| |
| template <> |
| AudioPolicyManagerInterface *Engine::queryInterface() |
| { |
| return this; |
| } |
| |
| } // namespace audio_policy |
| } // namespace android |
| |
| |
