| /* |
| ** |
| ** 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 "MelReporter" |
| |
| #include "MelReporter.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 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", |
| __func__, module.c_str()); |
| return false; |
| } |
| |
| if (soundDoseBinder == nullptr) { |
| ALOGW("%s: HAL doesn't implement a sound dose interface for module %s", |
| __func__, module.c_str()); |
| return false; |
| } |
| |
| std::shared_ptr<ISoundDose> soundDoseInterface = ISoundDose::fromBinder(soundDoseBinder); |
| |
| if (!mSoundDoseManager->setHalSoundDoseInterface(module, soundDoseInterface)) { |
| ALOGW("%s: cannot activate HAL MEL reporting for module %s", __func__, module.c_str()); |
| return false; |
| } |
| |
| stopInternalMelComputation(); |
| return true; |
| } |
| |
| void MelReporter::activateInternalSoundDoseComputation() { |
| { |
| audio_utils::lock_guard _l(mutex()); |
| if (!mUseHalSoundDoseInterface) { |
| // no need to start internal MEL on active patches |
| return; |
| } |
| mUseHalSoundDoseInterface = false; |
| } |
| |
| // reset the HAL interfaces and use internal MELs |
| mSoundDoseManager->resetHalSoundDoseInterfaces(); |
| } |
| |
| void MelReporter::onFirstRef() { |
| mAfMelReporterCallback->getPatchCommandThread()->addListener(this); |
| |
| mSoundDoseManager = sp<SoundDoseManager>::make(sp<IMelReporterCallback>::fromExisting(this)); |
| } |
| |
| void MelReporter::updateMetadataForCsd(audio_io_handle_t streamHandle, |
| const std::vector<playback_track_metadata_v7_t>& metadataVec) { |
| if (!mSoundDoseManager->isCsdEnabled()) { |
| ALOGV("%s csd is disabled", __func__); |
| return; |
| } |
| |
| audio_utils::lock_guard _laf(mAfMelReporterCallback->mutex()); // AudioFlinger_Mutex |
| audio_utils::lock_guard _l(mutex()); |
| 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()) { |
| if (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 MelReporter::onCreateAudioPatch(audio_patch_handle_t handle, |
| const IAfPatchPanel::Patch& patch) { |
| if (!mSoundDoseManager->isCsdEnabled()) { |
| ALOGV("%s csd is disabled", __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; |
| newPatch.csdActive = false; |
| for (size_t i = 0; i < patch.mAudioPatch.num_sinks; ++i) { |
| if (patch.mAudioPatch.sinks[i].type == AUDIO_PORT_TYPE_DEVICE && |
| mSoundDoseManager->shouldComputeCsdForDeviceType( |
| patch.mAudioPatch.sinks[i].ext.device.type)) { |
| audio_port_handle_t deviceId = patch.mAudioPatch.sinks[i].id; |
| bool shouldComputeCsd = mSoundDoseManager->shouldComputeCsdForDeviceWithAddress( |
| patch.mAudioPatch.sinks[i].ext.device.type, |
| patch.mAudioPatch.sinks[i].ext.device.address); |
| newPatch.deviceStates.push_back({deviceId, shouldComputeCsd}); |
| newPatch.csdActive |= shouldComputeCsd; |
| AudioDeviceTypeAddr adt{patch.mAudioPatch.sinks[i].ext.device.type, |
| patch.mAudioPatch.sinks[i].ext.device.address}; |
| mSoundDoseManager->mapAddressToDeviceId(adt, deviceId); |
| } |
| } |
| |
| if (!newPatch.deviceStates.empty() && newPatch.csdActive) { |
| audio_utils::lock_guard _afl(mAfMelReporterCallback->mutex()); // AudioFlinger_Mutex |
| audio_utils::lock_guard _l(mutex()); |
| ALOGV("%s add patch handle %d to active devices", __func__, handle); |
| startMelComputationForActivePatch_l(newPatch); |
| mActiveMelPatches[handle] = newPatch; |
| } |
| } |
| |
| void MelReporter::startMelComputationForActivePatch_l(const ActiveMelPatch& patch) |
| NO_THREAD_SAFETY_ANALYSIS // access of AudioFlinger::checkOutputThread_l |
| { |
| auto outputThread = mAfMelReporterCallback->checkOutputThread_l(patch.streamHandle); |
| if (outputThread == nullptr) { |
| ALOGE("%s cannot find thread for stream handle %d", __func__, patch.streamHandle); |
| return; |
| } |
| |
| for (const auto& device : patch.deviceStates) { |
| if (device.second) { |
| ++mActiveDevices[device.first]; |
| ALOGI("%s add stream %d that uses device %d for CSD, nr of streams: %d", __func__, |
| patch.streamHandle, device.first, mActiveDevices[device.first]); |
| |
| if (outputThread != nullptr && !useHalSoundDoseInterface_l()) { |
| outputThread->startMelComputation_l( |
| mSoundDoseManager->getOrCreateProcessorForDevice( |
| device.first, |
| patch.streamHandle, |
| outputThread->sampleRate(), |
| outputThread->channelCount(), |
| outputThread->format())); |
| } |
| } |
| } |
| } |
| |
| void MelReporter::startMelComputationForDeviceId(audio_port_handle_t deviceId) { |
| ALOGV("%s(%d)", __func__, deviceId); |
| audio_utils::lock_guard _laf(mAfMelReporterCallback->mutex()); |
| audio_utils::lock_guard _l(mutex()); |
| |
| for (auto& activeMelPatch : mActiveMelPatches) { |
| bool csdActive = false; |
| for (auto& device: activeMelPatch.second.deviceStates) { |
| if (device.first == deviceId && !device.second) { |
| device.second = true; |
| } |
| csdActive |= device.second; |
| } |
| if (csdActive && !activeMelPatch.second.csdActive) { |
| activeMelPatch.second.csdActive = csdActive; |
| startMelComputationForActivePatch_l(activeMelPatch.second); |
| } |
| } |
| } |
| |
| void MelReporter::onReleaseAudioPatch(audio_patch_handle_t handle) { |
| if (!mSoundDoseManager->isCsdEnabled()) { |
| ALOGV("%s csd is disabled", __func__); |
| return; |
| } |
| |
| ActiveMelPatch melPatch; |
| { |
| audio_utils::lock_guard _l(mutex()); |
| |
| 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); |
| } |
| |
| audio_utils::lock_guard _afl(mAfMelReporterCallback->mutex()); // AudioFlinger_Mutex |
| audio_utils::lock_guard _l(mutex()); |
| stopMelComputationForPatch_l(melPatch); |
| } |
| |
| sp<media::ISoundDose> MelReporter::getSoundDoseInterface( |
| const sp<media::ISoundDoseCallback>& callback) { |
| // no need to lock since getSoundDoseInterface is synchronized |
| return mSoundDoseManager->getSoundDoseInterface(callback); |
| } |
| |
| void MelReporter::stopInternalMelComputation() { |
| ALOGV("%s", __func__); |
| audio_utils::lock_guard _l(mutex()); |
| if (mUseHalSoundDoseInterface) { |
| return; |
| } |
| mActiveMelPatches.clear(); |
| mUseHalSoundDoseInterface = true; |
| } |
| |
| void MelReporter::stopMelComputationForPatch_l(const ActiveMelPatch& patch) |
| NO_THREAD_SAFETY_ANALYSIS // access of AudioFlinger::checkOutputThread_l |
| { |
| auto outputThread = mAfMelReporterCallback->checkOutputThread_l(patch.streamHandle); |
| |
| ALOGV("%s: stop MEL for stream id: %d", __func__, patch.streamHandle); |
| for (const auto& device : patch.deviceStates) { |
| if (mActiveDevices[device.first] > 0) { |
| --mActiveDevices[device.first]; |
| if (mActiveDevices[device.first] == 0) { |
| // no stream is using deviceId anymore |
| ALOGI("%s removing device %d from active CSD devices", __func__, device.first); |
| mSoundDoseManager->clearMapDeviceIdEntries(device.first); |
| } |
| } |
| } |
| |
| mSoundDoseManager->removeStreamProcessor(patch.streamHandle); |
| if (outputThread != nullptr && !useHalSoundDoseInterface_l()) { |
| outputThread->stopMelComputation_l(); |
| } |
| } |
| |
| void MelReporter::stopMelComputationForDeviceId(audio_port_handle_t deviceId) { |
| ALOGV("%s(%d)", __func__, deviceId); |
| audio_utils::lock_guard _laf(mAfMelReporterCallback->mutex()); |
| audio_utils::lock_guard _l(mutex()); |
| |
| for (auto& activeMelPatch : mActiveMelPatches) { |
| bool csdActive = false; |
| for (auto& device: activeMelPatch.second.deviceStates) { |
| if (device.first == deviceId && device.second) { |
| device.second = false; |
| } |
| csdActive |= device.second; |
| } |
| |
| if (!csdActive && activeMelPatch.second.csdActive) { |
| activeMelPatch.second.csdActive = csdActive; |
| stopMelComputationForPatch_l(activeMelPatch.second); |
| } |
| } |
| |
| } |
| |
| std::optional<audio_patch_handle_t> 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 MelReporter::useHalSoundDoseInterface_l() { |
| return !mSoundDoseManager->forceUseFrameworkMel() & mUseHalSoundDoseInterface; |
| } |
| |
| std::string MelReporter::dump() { |
| audio_utils::lock_guard _l(mutex()); |
| std::string output("\nSound Dose:\n"); |
| output.append(mSoundDoseManager->dump()); |
| return output; |
| } |
| |
| } // namespace android |