| /* |
| * 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 "Gains.h" |
| #include <AudioPolicyManagerObserver.h> |
| #include <AudioPort.h> |
| #include <IOProfile.h> |
| #include <policy.h> |
| #include <utils/String8.h> |
| #include <utils/Log.h> |
| |
| namespace android |
| { |
| namespace audio_policy |
| { |
| |
| Engine::Engine() |
| : mManagerInterface(this), |
| mPhoneState(AUDIO_MODE_NORMAL), |
| mApmObserver(NULL) |
| { |
| for (int i = 0; i < AUDIO_POLICY_FORCE_USE_CNT; i++) { |
| mForceUse[i] = AUDIO_POLICY_FORCE_NONE; |
| } |
| } |
| |
| Engine::~Engine() |
| { |
| } |
| |
| void Engine::setObserver(AudioPolicyManagerObserver *observer) |
| { |
| ALOG_ASSERT(observer != NULL, "Invalid Audio Policy Manager observer"); |
| mApmObserver = observer; |
| } |
| |
| status_t Engine::initCheck() |
| { |
| return (mApmObserver != NULL) ? NO_ERROR : NO_INIT; |
| } |
| |
| float Engine::volIndexToDb(Volume::device_category category, audio_stream_type_t streamType, |
| int indexInUi) |
| { |
| const StreamDescriptor &streamDesc = mApmObserver->getStreamDescriptors().valueAt(streamType); |
| return Gains::volIndexToDb(category, streamDesc, indexInUi); |
| } |
| |
| |
| status_t Engine::initStreamVolume(audio_stream_type_t stream, int indexMin, int indexMax) |
| { |
| ALOGV("initStreamVolume() stream %d, min %d, max %d", stream , indexMin, indexMax); |
| if (indexMin < 0 || indexMin >= indexMax) { |
| ALOGW("initStreamVolume() invalid index limits for stream %d, min %d, max %d", |
| stream , indexMin, indexMax); |
| return BAD_VALUE; |
| } |
| mApmObserver->getStreamDescriptors().setVolumeIndexMin(stream, indexMin); |
| mApmObserver->getStreamDescriptors().setVolumeIndexMax(stream, indexMax); |
| return NO_ERROR; |
| } |
| |
| void Engine::initializeVolumeCurves(bool isSpeakerDrcEnabled) |
| { |
| StreamDescriptorCollection &streams = mApmObserver->getStreamDescriptors(); |
| |
| for (int i = 0; i < AUDIO_STREAM_CNT; i++) { |
| for (int j = 0; j < Volume::DEVICE_CATEGORY_CNT; j++) { |
| streams.setVolumeCurvePoint(static_cast<audio_stream_type_t>(i), |
| static_cast<Volume::device_category>(j), |
| Gains::sVolumeProfiles[i][j]); |
| } |
| } |
| |
| // Check availability of DRC on speaker path: if available, override some of the speaker curves |
| if (isSpeakerDrcEnabled) { |
| streams.setVolumeCurvePoint(AUDIO_STREAM_SYSTEM, Volume::DEVICE_CATEGORY_SPEAKER, |
| Gains::sDefaultSystemVolumeCurveDrc); |
| streams.setVolumeCurvePoint(AUDIO_STREAM_RING, Volume::DEVICE_CATEGORY_SPEAKER, |
| Gains::sSpeakerSonificationVolumeCurveDrc); |
| streams.setVolumeCurvePoint(AUDIO_STREAM_ALARM, Volume::DEVICE_CATEGORY_SPEAKER, |
| Gains::sSpeakerSonificationVolumeCurveDrc); |
| streams.setVolumeCurvePoint(AUDIO_STREAM_NOTIFICATION, Volume::DEVICE_CATEGORY_SPEAKER, |
| Gains::sSpeakerSonificationVolumeCurveDrc); |
| streams.setVolumeCurvePoint(AUDIO_STREAM_MUSIC, Volume::DEVICE_CATEGORY_SPEAKER, |
| Gains::sSpeakerMediaVolumeCurveDrc); |
| streams.setVolumeCurvePoint(AUDIO_STREAM_ACCESSIBILITY, Volume::DEVICE_CATEGORY_SPEAKER, |
| Gains::sSpeakerMediaVolumeCurveDrc); |
| } |
| } |
| |
| |
| status_t Engine::setPhoneState(audio_mode_t state) |
| { |
| ALOGV("setPhoneState() state %d", state); |
| |
| if (state < 0 || state >= AUDIO_MODE_CNT) { |
| ALOGW("setPhoneState() invalid state %d", state); |
| return BAD_VALUE; |
| } |
| |
| if (state == mPhoneState ) { |
| ALOGW("setPhoneState() setting same state %d", state); |
| return BAD_VALUE; |
| } |
| |
| // store previous phone state for management of sonification strategy below |
| int oldState = mPhoneState; |
| mPhoneState = state; |
| StreamDescriptorCollection &streams = mApmObserver->getStreamDescriptors(); |
| // are we entering or starting a call |
| if (!is_state_in_call(oldState) && is_state_in_call(state)) { |
| ALOGV(" Entering call in setPhoneState()"); |
| for (int j = 0; j < Volume::DEVICE_CATEGORY_CNT; j++) { |
| streams.setVolumeCurvePoint(AUDIO_STREAM_DTMF, static_cast<Volume::device_category>(j), |
| Gains::sVolumeProfiles[AUDIO_STREAM_VOICE_CALL][j]); |
| } |
| } else if (is_state_in_call(oldState) && !is_state_in_call(state)) { |
| ALOGV(" Exiting call in setPhoneState()"); |
| for (int j = 0; j < Volume::DEVICE_CATEGORY_CNT; j++) { |
| streams.setVolumeCurvePoint(AUDIO_STREAM_DTMF, static_cast<Volume::device_category>(j), |
| Gains::sVolumeProfiles[AUDIO_STREAM_DTMF][j]); |
| } |
| } |
| return NO_ERROR; |
| } |
| |
| 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; |
| } |
| mForceUse[usage] = config; |
| 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; |
| } |
| mForceUse[usage] = config; |
| 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; |
| } |
| mForceUse[usage] = config; |
| 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); |
| } |
| mForceUse[usage] = 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); |
| } |
| mForceUse[usage] = 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 forHDMI_SYSTEM_AUDIO", config); |
| } |
| mForceUse[usage] = config; |
| break; |
| default: |
| ALOGW("setForceUse() invalid usage %d", usage); |
| break; |
| } |
| return NO_ERROR; |
| } |
| |
| routing_strategy Engine::getStrategyForStream(audio_stream_type_t stream) |
| { |
| // stream to strategy mapping |
| switch (stream) { |
| case AUDIO_STREAM_VOICE_CALL: |
| case AUDIO_STREAM_BLUETOOTH_SCO: |
| return STRATEGY_PHONE; |
| case AUDIO_STREAM_RING: |
| case AUDIO_STREAM_ALARM: |
| return STRATEGY_SONIFICATION; |
| case AUDIO_STREAM_NOTIFICATION: |
| return STRATEGY_SONIFICATION_RESPECTFUL; |
| case AUDIO_STREAM_DTMF: |
| return STRATEGY_DTMF; |
| default: |
| ALOGE("unknown stream type %d", stream); |
| case AUDIO_STREAM_SYSTEM: |
| // NOTE: SYSTEM stream uses MEDIA strategy because muting music and switching outputs |
| // while key clicks are played produces a poor result |
| case AUDIO_STREAM_MUSIC: |
| return STRATEGY_MEDIA; |
| case AUDIO_STREAM_ENFORCED_AUDIBLE: |
| return STRATEGY_ENFORCED_AUDIBLE; |
| case AUDIO_STREAM_TTS: |
| return STRATEGY_TRANSMITTED_THROUGH_SPEAKER; |
| case AUDIO_STREAM_ACCESSIBILITY: |
| return STRATEGY_ACCESSIBILITY; |
| case AUDIO_STREAM_REROUTING: |
| return STRATEGY_REROUTING; |
| } |
| } |
| |
| routing_strategy Engine::getStrategyForUsage(audio_usage_t usage) |
| { |
| const SwAudioOutputCollection &outputs = mApmObserver->getOutputs(); |
| |
| // usage to strategy mapping |
| switch (usage) { |
| case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY: |
| if (outputs.isStreamActive(AUDIO_STREAM_RING) || |
| outputs.isStreamActive(AUDIO_STREAM_ALARM)) { |
| return STRATEGY_SONIFICATION; |
| } |
| if (isInCall()) { |
| return STRATEGY_PHONE; |
| } |
| return STRATEGY_ACCESSIBILITY; |
| |
| case AUDIO_USAGE_MEDIA: |
| case AUDIO_USAGE_GAME: |
| case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE: |
| case AUDIO_USAGE_ASSISTANCE_SONIFICATION: |
| return STRATEGY_MEDIA; |
| |
| case AUDIO_USAGE_VOICE_COMMUNICATION: |
| return STRATEGY_PHONE; |
| |
| case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING: |
| return STRATEGY_DTMF; |
| |
| case AUDIO_USAGE_ALARM: |
| case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE: |
| return STRATEGY_SONIFICATION; |
| |
| case AUDIO_USAGE_NOTIFICATION: |
| case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST: |
| case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT: |
| case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED: |
| case AUDIO_USAGE_NOTIFICATION_EVENT: |
| return STRATEGY_SONIFICATION_RESPECTFUL; |
| |
| case AUDIO_USAGE_UNKNOWN: |
| default: |
| return STRATEGY_MEDIA; |
| } |
| } |
| |
| audio_devices_t Engine::getDeviceForStrategy(routing_strategy strategy) const |
| { |
| const DeviceVector &availableOutputDevices = mApmObserver->getAvailableOutputDevices(); |
| const DeviceVector &availableInputDevices = mApmObserver->getAvailableInputDevices(); |
| |
| const SwAudioOutputCollection &outputs = mApmObserver->getOutputs(); |
| |
| uint32_t device = AUDIO_DEVICE_NONE; |
| uint32_t availableOutputDevicesType = availableOutputDevices.types(); |
| |
| switch (strategy) { |
| |
| case STRATEGY_TRANSMITTED_THROUGH_SPEAKER: |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER; |
| if (!device) { |
| ALOGE("getDeviceForStrategy() no device found for "\ |
| "STRATEGY_TRANSMITTED_THROUGH_SPEAKER"); |
| } |
| break; |
| |
| case STRATEGY_SONIFICATION_RESPECTFUL: |
| if (isInCall()) { |
| device = getDeviceForStrategy(STRATEGY_SONIFICATION); |
| } else if (outputs.isStreamActiveRemotely(AUDIO_STREAM_MUSIC, |
| SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) { |
| // while media is playing on a remote device, use the the sonification behavior. |
| // Note that we test this usecase before testing if media is playing because |
| // the isStreamActive() method only informs about the activity of a stream, not |
| // if it's for local playback. Note also that we use the same delay between both tests |
| device = getDeviceForStrategy(STRATEGY_SONIFICATION); |
| //user "safe" speaker if available instead of normal speaker to avoid triggering |
| //other acoustic safety mechanisms for notification |
| if ((device & AUDIO_DEVICE_OUT_SPEAKER) && |
| (availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER_SAFE)) { |
| device |= AUDIO_DEVICE_OUT_SPEAKER_SAFE; |
| device &= ~AUDIO_DEVICE_OUT_SPEAKER; |
| } |
| } else if (outputs.isStreamActive(AUDIO_STREAM_MUSIC, SONIFICATION_RESPECTFUL_AFTER_MUSIC_DELAY)) { |
| // while media is playing (or has recently played), use the same device |
| device = getDeviceForStrategy(STRATEGY_MEDIA); |
| } else { |
| // when media is not playing anymore, fall back on the sonification behavior |
| device = getDeviceForStrategy(STRATEGY_SONIFICATION); |
| //user "safe" speaker if available instead of normal speaker to avoid triggering |
| //other acoustic safety mechanisms for notification |
| if ((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 = getDeviceForStrategy(STRATEGY_MEDIA); |
| break; |
| } |
| // when in call, DTMF and PHONE strategies follow the same rules |
| // FALL THROUGH |
| |
| 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.getDevicesFromHwModule(primaryOutput->getModuleHandle()); |
| audio_devices_t availPrimaryOutputDevices = |
| primaryOutput->supportedDevices() & availableOutputDevices.types(); |
| |
| if (((availableInputDevices.types() & |
| AUDIO_DEVICE_IN_TELEPHONY_RX & ~AUDIO_DEVICE_BIT_IN) == 0) || |
| (((txDevice & availPrimaryInputDevices & ~AUDIO_DEVICE_BIT_IN) != 0) && |
| (primaryOutput->getAudioPort()->getModuleVersion() < |
| AUDIO_DEVICE_API_VERSION_3_0))) { |
| availableOutputDevicesType = availPrimaryOutputDevices; |
| } |
| } |
| // for phone strategy, we first consider the forced use and then the available devices by order |
| // of priority |
| switch (mForceUse[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 |
| // FALL THROUGH |
| |
| default: // FORCE_NONE |
| // when not in a phone call, phone strategy should route STREAM_VOICE_CALL to A2DP |
| if (!isInCall() && |
| (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) && |
| (outputs.getA2dpOutput() != 0)) { |
| 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_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; |
| if (device) break; |
| device = mApmObserver->getDefaultOutputDevice()->type(); |
| if (device == AUDIO_DEVICE_NONE) { |
| ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE"); |
| } |
| 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() && |
| (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) && |
| (outputs.getA2dpOutput() != 0)) { |
| 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_LINE; |
| if (device) break; |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER; |
| if (device) break; |
| device = mApmObserver->getDefaultOutputDevice()->type(); |
| if (device == AUDIO_DEVICE_NONE) { |
| ALOGE("getDeviceForStrategy() no device found for STRATEGY_PHONE, FORCE_SPEAKER"); |
| } |
| break; |
| } |
| break; |
| |
| case STRATEGY_SONIFICATION: |
| |
| // If incall, just select the STRATEGY_PHONE device: The rest of the behavior is handled by |
| // handleIncallSonification(). |
| if (isInCall()) { |
| device = getDeviceForStrategy(STRATEGY_PHONE); |
| break; |
| } |
| // FALL THROUGH |
| |
| 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) || |
| (mForceUse[AUDIO_POLICY_FORCE_FOR_SYSTEM] == AUDIO_POLICY_FORCE_SYSTEM_ENFORCED)) { |
| device = availableOutputDevicesType & AUDIO_DEVICE_OUT_SPEAKER; |
| if (device == AUDIO_DEVICE_NONE) { |
| ALOGE("getDeviceForStrategy() speaker device not found for STRATEGY_SONIFICATION"); |
| } |
| } |
| // The second device used for sonification is the same as the device used by media strategy |
| // FALL THROUGH |
| |
| // FIXME: STRATEGY_ACCESSIBILITY and STRATEGY_REROUTING follow STRATEGY_MEDIA for now |
| 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->device() & |
| (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; |
| } |
| } |
| } |
| // FALL THROUGH |
| |
| 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")) != 0) { |
| device2 = availableOutputDevices.types() & AUDIO_DEVICE_OUT_REMOTE_SUBMIX; |
| } |
| } |
| if (isInCall() && (strategy == STRATEGY_MEDIA)) { |
| device = getDeviceForStrategy(STRATEGY_PHONE); |
| break; |
| } |
| if ((device2 == AUDIO_DEVICE_NONE) && |
| (mForceUse[AUDIO_POLICY_FORCE_FOR_MEDIA] != AUDIO_POLICY_FORCE_NO_BT_A2DP) && |
| (outputs.getA2dpOutput() != 0)) { |
| 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) && |
| (mForceUse[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_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) && |
| (mForceUse[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) && |
| (mForceUse[AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO] == |
| AUDIO_POLICY_FORCE_HDMI_SYSTEM_AUDIO_ENFORCED)) { |
| device &= ~AUDIO_DEVICE_OUT_SPEAKER; |
| } |
| |
| if (device) break; |
| device = mApmObserver->getDefaultOutputDevice()->type(); |
| if (device == AUDIO_DEVICE_NONE) { |
| ALOGE("getDeviceForStrategy() no device found for STRATEGY_MEDIA"); |
| } |
| } break; |
| |
| default: |
| ALOGW("getDeviceForStrategy() unknown strategy: %d", strategy); |
| break; |
| } |
| |
| ALOGVV("getDeviceForStrategy() strategy %d, device %x", strategy, device); |
| return device; |
| } |
| |
| |
| audio_devices_t Engine::getDeviceForInputSource(audio_source_t inputSource) const |
| { |
| const DeviceVector &availableOutputDevices = mApmObserver->getAvailableOutputDevices(); |
| const DeviceVector &availableInputDevices = mApmObserver->getAvailableInputDevices(); |
| const SwAudioOutputCollection &outputs = mApmObserver->getOutputs(); |
| audio_devices_t availableDeviceTypes = availableInputDevices.types() & ~AUDIO_DEVICE_BIT_IN; |
| |
| uint32_t device = AUDIO_DEVICE_NONE; |
| |
| switch (inputSource) { |
| case AUDIO_SOURCE_VOICE_UPLINK: |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_VOICE_CALL) { |
| device = AUDIO_DEVICE_IN_VOICE_CALL; |
| break; |
| } |
| break; |
| |
| case AUDIO_SOURCE_DEFAULT: |
| case AUDIO_SOURCE_MIC: |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_BLUETOOTH_A2DP) { |
| device = AUDIO_DEVICE_IN_BLUETOOTH_A2DP; |
| } else if ((mForceUse[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_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) { |
| sp<AudioOutputDescriptor> primaryOutput = outputs.getPrimaryOutput(); |
| availableDeviceTypes = |
| availableInputDevices.getDevicesFromHwModule(primaryOutput->getModuleHandle()) |
| & ~AUDIO_DEVICE_BIT_IN; |
| } |
| |
| switch (mForceUse[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; |
| } |
| // FALL THROUGH |
| |
| default: // FORCE_NONE |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_WIRED_HEADSET) { |
| device = AUDIO_DEVICE_IN_WIRED_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_HOTWORD: |
| if (mForceUse[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_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_UNPROCESSED: |
| 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; |
| } |
| break; |
| case AUDIO_SOURCE_VOICE_DOWNLINK: |
| case AUDIO_SOURCE_VOICE_CALL: |
| if (availableDeviceTypes & AUDIO_DEVICE_IN_VOICE_CALL) { |
| device = AUDIO_DEVICE_IN_VOICE_CALL; |
| } |
| 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; |
| default: |
| ALOGW("getDeviceForInputSource() invalid input source %d", inputSource); |
| break; |
| } |
| ALOGV("getDeviceForInputSource()input source %d, device %08x", inputSource, device); |
| return device; |
| } |
| |
| template <> |
| AudioPolicyManagerInterface *Engine::queryInterface() |
| { |
| return &mManagerInterface; |
| } |
| |
| } // namespace audio_policy |
| } // namespace android |
| |
| |
