|  | /* | 
|  | ** | 
|  | ** Copyright 2022, 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_NDEBUG 0 | 
|  | #define LOG_TAG "AudioFlinger::MelReporter" | 
|  |  | 
|  | #include "AudioFlinger.h" | 
|  |  | 
|  | #include <android/media/ISoundDoseCallback.h> | 
|  | #include <audio_utils/power.h> | 
|  | #include <utils/Log.h> | 
|  |  | 
|  | using aidl::android::hardware::audio::core::sounddose::ISoundDose; | 
|  |  | 
|  | namespace android { | 
|  |  | 
|  | bool AudioFlinger::MelReporter::activateHalSoundDoseComputation(const std::string& module, | 
|  | const sp<DeviceHalInterface>& device) { | 
|  | if (mSoundDoseManager->forceUseFrameworkMel()) { | 
|  | ALOGD("%s: Forcing use of internal MEL computation.", __func__); | 
|  | activateInternalSoundDoseComputation(); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | ndk::SpAIBinder soundDoseBinder; | 
|  | if (device->getSoundDoseInterface(module, &soundDoseBinder) != OK) { | 
|  | ALOGW("%s: HAL cannot provide sound dose interface for module %s, use internal MEL", | 
|  | __func__, module.c_str()); | 
|  | activateInternalSoundDoseComputation(); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | if (soundDoseBinder == nullptr) { | 
|  | ALOGW("%s: HAL doesn't implement a sound dose interface for module %s, use internal MEL", | 
|  | __func__, module.c_str()); | 
|  | activateInternalSoundDoseComputation(); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | std::shared_ptr<ISoundDose> soundDoseInterface = ISoundDose::fromBinder(soundDoseBinder); | 
|  |  | 
|  | if (!mSoundDoseManager->setHalSoundDoseInterface(soundDoseInterface)) { | 
|  | ALOGW("%s: cannot activate HAL MEL reporting for module %s", __func__, module.c_str()); | 
|  | activateInternalSoundDoseComputation(); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | stopInternalMelComputation(); | 
|  | return true; | 
|  | } | 
|  |  | 
|  | void AudioFlinger::MelReporter::activateInternalSoundDoseComputation() { | 
|  | { | 
|  | std::lock_guard _l(mLock); | 
|  | if (!mUseHalSoundDoseInterface) { | 
|  | // no need to start internal MEL on active patches | 
|  | return; | 
|  | } | 
|  | mUseHalSoundDoseInterface = false; | 
|  | } | 
|  |  | 
|  | mSoundDoseManager->setHalSoundDoseInterface(nullptr); | 
|  | } | 
|  |  | 
|  | void AudioFlinger::MelReporter::onFirstRef() { | 
|  | mAudioFlinger.mPatchCommandThread->addListener(this); | 
|  | } | 
|  |  | 
|  | bool AudioFlinger::MelReporter::shouldComputeMelForDeviceType(audio_devices_t device) { | 
|  | if (mSoundDoseManager->forceComputeCsdOnAllDevices()) { | 
|  | return true; | 
|  | } | 
|  |  | 
|  | switch (device) { | 
|  | case AUDIO_DEVICE_OUT_WIRED_HEADSET: | 
|  | case AUDIO_DEVICE_OUT_WIRED_HEADPHONE: | 
|  | case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP: | 
|  | case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES: | 
|  | case AUDIO_DEVICE_OUT_HEARING_AID: | 
|  | case AUDIO_DEVICE_OUT_USB_HEADSET: | 
|  | case AUDIO_DEVICE_OUT_BLE_HEADSET: | 
|  | case AUDIO_DEVICE_OUT_BLE_BROADCAST: | 
|  | return true; | 
|  | default: | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | void AudioFlinger::MelReporter::updateMetadataForCsd(audio_io_handle_t streamHandle, | 
|  | const std::vector<playback_track_metadata_v7_t>& metadataVec) { | 
|  | std::lock_guard _laf(mAudioFlinger.mLock); | 
|  | std::lock_guard _l(mLock); | 
|  | auto activeMelPatchId = activePatchStreamHandle_l(streamHandle); | 
|  | if (!activeMelPatchId) { | 
|  | ALOGV("%s stream handle %d does not have an active patch", __func__, streamHandle); | 
|  | return; | 
|  | } | 
|  |  | 
|  | bool shouldActivateCsd = false; | 
|  | for (const auto& metadata : metadataVec) { | 
|  | if (metadata.base.usage == AUDIO_USAGE_GAME || metadata.base.usage == AUDIO_USAGE_MEDIA) { | 
|  | shouldActivateCsd = true; | 
|  | } | 
|  | } | 
|  |  | 
|  | auto activeMelPatchIt = mActiveMelPatches.find(activeMelPatchId.value()); | 
|  | if (activeMelPatchIt != mActiveMelPatches.end() | 
|  | && shouldActivateCsd != activeMelPatchIt->second.csdActive) { | 
|  | if (activeMelPatchIt->second.csdActive) { | 
|  | ALOGV("%s should not compute CSD for stream handle %d", __func__, streamHandle); | 
|  | stopMelComputationForPatch_l(activeMelPatchIt->second); | 
|  | } else { | 
|  | ALOGV("%s should compute CSD for stream handle %d", __func__, streamHandle); | 
|  | startMelComputationForActivePatch_l(activeMelPatchIt->second); | 
|  | } | 
|  | activeMelPatchIt->second.csdActive = shouldActivateCsd; | 
|  | } | 
|  | } | 
|  |  | 
|  | void AudioFlinger::MelReporter::onCreateAudioPatch(audio_patch_handle_t handle, | 
|  | const PatchPanel::Patch& patch) { | 
|  | if (useHalSoundDoseInterface()) { | 
|  | ALOGV("%s using HAL sound dose, ignore new patch", __func__); | 
|  | return; | 
|  | } | 
|  |  | 
|  | ALOGV("%s: handle %d mHalHandle %d device sink %08x", | 
|  | __func__, handle, patch.mHalHandle, | 
|  | patch.mAudioPatch.num_sinks > 0 ? patch.mAudioPatch.sinks[0].ext.device.type : 0); | 
|  | if (patch.mAudioPatch.num_sources == 0 | 
|  | || patch.mAudioPatch.sources[0].type != AUDIO_PORT_TYPE_MIX) { | 
|  | ALOGV("%s: patch does not contain any mix sources", __func__); | 
|  | return; | 
|  | } | 
|  |  | 
|  | audio_io_handle_t streamHandle = patch.mAudioPatch.sources[0].ext.mix.handle; | 
|  | ActiveMelPatch newPatch; | 
|  | newPatch.streamHandle = streamHandle; | 
|  | for (int i = 0; i < patch.mAudioPatch.num_sinks; ++ i) { | 
|  | if (patch.mAudioPatch.sinks[i].type == AUDIO_PORT_TYPE_DEVICE | 
|  | && shouldComputeMelForDeviceType(patch.mAudioPatch.sinks[i].ext.device.type)) { | 
|  | audio_port_handle_t deviceId = patch.mAudioPatch.sinks[i].id; | 
|  | newPatch.deviceHandles.push_back(deviceId); | 
|  | AudioDeviceTypeAddr adt{patch.mAudioPatch.sinks[i].ext.device.type, | 
|  | patch.mAudioPatch.sinks[i].ext.device.address}; | 
|  | mSoundDoseManager->mapAddressToDeviceId(adt, deviceId); | 
|  | } | 
|  | } | 
|  |  | 
|  | std::lock_guard _afl(mAudioFlinger.mLock); | 
|  | std::lock_guard _l(mLock); | 
|  | ALOGV("%s add patch handle %d to active devices", __func__, handle); | 
|  | startMelComputationForActivePatch_l(newPatch); | 
|  | newPatch.csdActive = true; | 
|  | mActiveMelPatches[handle] = newPatch; | 
|  | } | 
|  |  | 
|  | void AudioFlinger::MelReporter::startMelComputationForActivePatch_l(const ActiveMelPatch& patch) { | 
|  | auto thread = mAudioFlinger.checkPlaybackThread_l(patch.streamHandle); | 
|  | if (thread == nullptr) { | 
|  | ALOGE("%s cannot find thread for stream handle %d", __func__, patch.streamHandle); | 
|  | return; | 
|  | } | 
|  |  | 
|  | for (const auto& deviceHandle : patch.deviceHandles) { | 
|  | ++mActiveDevices[deviceHandle]; | 
|  | ALOGI("%s add stream %d that uses device %d for CSD, nr of streams: %d", __func__, | 
|  | patch.streamHandle, deviceHandle, mActiveDevices[deviceHandle]); | 
|  | thread->startMelComputation(mSoundDoseManager->getOrCreateProcessorForDevice( | 
|  | deviceHandle, | 
|  | patch.streamHandle, | 
|  | thread->mSampleRate, | 
|  | thread->mChannelCount, | 
|  | thread->mFormat)); | 
|  | } | 
|  | } | 
|  |  | 
|  | void AudioFlinger::MelReporter::onReleaseAudioPatch(audio_patch_handle_t handle) { | 
|  | ActiveMelPatch melPatch; | 
|  | { | 
|  | std::lock_guard _l(mLock); | 
|  |  | 
|  | auto patchIt = mActiveMelPatches.find(handle); | 
|  | if (patchIt == mActiveMelPatches.end()) { | 
|  | ALOGV("%s patch handle %d does not contain any mix sources with active MEL calculation", | 
|  | __func__, handle); | 
|  | return; | 
|  | } | 
|  |  | 
|  | melPatch = patchIt->second; | 
|  | mActiveMelPatches.erase(patchIt); | 
|  | } | 
|  |  | 
|  | std::lock_guard _afl(mAudioFlinger.mLock); | 
|  | std::lock_guard _l(mLock); | 
|  | stopMelComputationForPatch_l(melPatch); | 
|  | } | 
|  |  | 
|  | sp<media::ISoundDose> AudioFlinger::MelReporter::getSoundDoseInterface( | 
|  | const sp<media::ISoundDoseCallback>& callback) { | 
|  | // no need to lock since getSoundDoseInterface is synchronized | 
|  | return mSoundDoseManager->getSoundDoseInterface(callback); | 
|  | } | 
|  |  | 
|  | void AudioFlinger::MelReporter::stopInternalMelComputation() { | 
|  | ALOGV("%s", __func__); | 
|  | std::lock_guard _l(mLock); | 
|  | mActiveMelPatches.clear(); | 
|  | mUseHalSoundDoseInterface = true; | 
|  | } | 
|  |  | 
|  | void AudioFlinger::MelReporter::stopMelComputationForPatch_l(const ActiveMelPatch& patch) { | 
|  | auto thread = mAudioFlinger.checkPlaybackThread_l(patch.streamHandle); | 
|  | ALOGV("%s: stop MEL for stream id: %d", __func__, patch.streamHandle); | 
|  | for (const auto& deviceId : patch.deviceHandles) { | 
|  | if (mActiveDevices[deviceId] > 0) { | 
|  | --mActiveDevices[deviceId]; | 
|  | if (mActiveDevices[deviceId] == 0) { | 
|  | // no stream is using deviceId anymore | 
|  | ALOGI("%s removing device %d from active CSD devices", __func__, deviceId); | 
|  | mSoundDoseManager->clearMapDeviceIdEntries(deviceId); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | mSoundDoseManager->removeStreamProcessor(patch.streamHandle); | 
|  | if (thread != nullptr) { | 
|  | thread->stopMelComputation(); | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  | std::optional<audio_patch_handle_t> AudioFlinger::MelReporter::activePatchStreamHandle_l( | 
|  | audio_io_handle_t streamHandle) { | 
|  | for(const auto& patchIt : mActiveMelPatches) { | 
|  | if (patchIt.second.streamHandle == streamHandle) { | 
|  | return patchIt.first; | 
|  | } | 
|  | } | 
|  | return std::nullopt; | 
|  | } | 
|  |  | 
|  | bool AudioFlinger::MelReporter::useHalSoundDoseInterface() { | 
|  | bool useHalSoundDoseInterface = !mSoundDoseManager->forceUseFrameworkMel(); | 
|  | { | 
|  | std::lock_guard _l(mLock); | 
|  | useHalSoundDoseInterface &= mUseHalSoundDoseInterface; | 
|  | } | 
|  | return useHalSoundDoseInterface; | 
|  | } | 
|  |  | 
|  | std::string AudioFlinger::MelReporter::dump() { | 
|  | std::lock_guard _l(mLock); | 
|  | std::string output("\nSound Dose:\n"); | 
|  | output.append(mSoundDoseManager->dump()); | 
|  | return output; | 
|  | } | 
|  |  | 
|  | }  // namespace android |