audio/primary_device.cpp - device/generic/goldfish - Git at Google

 /*
  * Copyright (C) 2018 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.
  */

 #include <log/log.h>
 #include <system/audio.h>
 #include PATH(APM_XSD_ENUMS_H_FILENAME)
 #include "primary_device.h"
 #include "stream_in.h"
 #include "stream_out.h"
 #include "util.h"
 #include "debug.h"

 namespace xsd {
 using namespace ::android::audio::policy::configuration::CPP_VERSION;
 }

 namespace android {
 namespace hardware {
 namespace audio {
 namespace CPP_VERSION {
 namespace implementation {

 constexpr size_t kInBufferDurationMs = 15;
 constexpr size_t kOutBufferDurationMs = 22;

 using ::android::hardware::Void;

 Device::Device() {}

 Return<Result> Device::initCheck() {
     return Result::OK;
 }

 Return<Result> Device::setMasterVolume(float volume) {
     if (isnan(volume) || volume < 0 || volume > 1.0) {
         return FAILURE(Result::INVALID_ARGUMENTS);
     }

     mMasterVolume = volume;
     updateOutputStreamVolume(mMasterMute ? 0.0f : volume);
     return Result::OK;
 }

 Return<void> Device::getMasterVolume(getMasterVolume_cb _hidl_cb) {
     _hidl_cb(Result::OK, mMasterVolume);
     return Void();
 }

 Return<Result> Device::setMicMute(bool mute) {
     mMicMute = mute;
     updateInputStreamMicMute(mute);
     return Result::OK;
 }

 Return<void> Device::getMicMute(getMicMute_cb _hidl_cb) {
     _hidl_cb(Result::OK, mMicMute);
     return Void();
 }

 Return<Result> Device::setMasterMute(bool mute) {
     mMasterMute = mute;
     updateOutputStreamVolume(mute ? 0.0f : mMasterVolume);
     return Result::OK;
 }

 Return<void> Device::getMasterMute(getMasterMute_cb _hidl_cb) {
     _hidl_cb(Result::OK, mMasterMute);
     return Void();
 }

 Return<void> Device::getInputBufferSize(const AudioConfig& config, getInputBufferSize_cb _hidl_cb) {
     AudioConfig suggestedConfig;
     if (util::checkAudioConfig(false, kInBufferDurationMs, config, suggestedConfig)) {
         const size_t sz =
             suggestedConfig.frameCount
             * util::countChannels(suggestedConfig.base.channelMask)
             * util::getBytesPerSample(suggestedConfig.base.format);

         _hidl_cb(Result::OK, sz);
     } else {
         _hidl_cb(FAILURE(Result::INVALID_ARGUMENTS), 0);
     }

     return Void();
 }

 Return<void> Device::openOutputStream(int32_t ioHandle,
                                       const DeviceAddress& device,
                                       const AudioConfig& config,
                                       const hidl_vec<AudioInOutFlag>& flags,
                                       const SourceMetadata& sourceMetadata,
                                       openOutputStream_cb _hidl_cb) {
     auto [result, stream, cfg] = openOutputStreamImpl(ioHandle, device,
             config, flags, sourceMetadata);
     _hidl_cb(result, stream, cfg);
     return Void();
 }

 Return<void> Device::openInputStream(int32_t ioHandle,
                                      const DeviceAddress& device,
                                      const AudioConfig& config,
                                      const hidl_vec<AudioInOutFlag>& flags,
                                      const SinkMetadata& sinkMetadata,
                                      openInputStream_cb _hidl_cb) {
     auto [result, stream, cfg] = openInputStreamImpl(ioHandle, device,
             config, flags, sinkMetadata);
     _hidl_cb(result, stream, cfg);
     return Void();
 }

 Return<bool> Device::supportsAudioPatches() {
     return true;
 }

 Return<void> Device::createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
                                       const hidl_vec<AudioPortConfig>& sinks,
                                       createAudioPatch_cb _hidl_cb) {
     if (sources.size() == 1 && sinks.size() == 1) {
         AudioPatch patch;
         if (!util::checkAudioPortConfig(sources[0]) || !util::checkAudioPortConfig(sinks[0])) {
             _hidl_cb(FAILURE(Result::INVALID_ARGUMENTS), 0);
             return Void();
         }
         patch.source = sources[0];
         patch.sink = sinks[0];

         AudioPatchHandle handle;
         while (true) {
             handle = mNextAudioPatchHandle;
             mNextAudioPatchHandle = std::max(handle + 1, 0);
             if (mAudioPatches.insert({handle, patch}).second) {
                 break;
             }
         }

         _hidl_cb(Result::OK, handle);
     } else {
         _hidl_cb(FAILURE(Result::NOT_SUPPORTED), 0);
     }

     return Void();
 }

 Return<void> Device::updateAudioPatch(AudioPatchHandle previousPatchHandle,
                                       const hidl_vec<AudioPortConfig>& sources,
                                       const hidl_vec<AudioPortConfig>& sinks,
                                       updateAudioPatch_cb _hidl_cb) {
     const auto i = mAudioPatches.find(previousPatchHandle);
     if (i == mAudioPatches.end()) {
         _hidl_cb(FAILURE(Result::INVALID_ARGUMENTS), previousPatchHandle);
     } else {
         if (sources.size() == 1 && sinks.size() == 1) {
             AudioPatch patch;
             patch.source = sources[0];
             patch.sink = sinks[0];
             i->second = patch;

             _hidl_cb(Result::OK, previousPatchHandle);
         } else {
             _hidl_cb(Result::NOT_SUPPORTED, previousPatchHandle);
         }
     }

     return Void();
 }

 Return<Result> Device::releaseAudioPatch(AudioPatchHandle patchHandle) {
     return (mAudioPatches.erase(patchHandle) == 1) ? Result::OK : FAILURE(Result::INVALID_ARGUMENTS);
 }

 Return<void> Device::getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) {
     _hidl_cb(FAILURE(Result::NOT_SUPPORTED), port);
     return Void();
 }

 Return<Result> Device::setAudioPortConfig(const AudioPortConfig& config) {
     (void)config;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 Return<Result> Device::setScreenState(bool turnedOn) {
     (void)turnedOn;
     return Result::OK;
 }

 Return<void> Device::getHwAvSync(getHwAvSync_cb _hidl_cb) {
     _hidl_cb(FAILURE(Result::NOT_SUPPORTED), {});
     return Void();
 }

 Return<void> Device::getParameters(const hidl_vec<ParameterValue>& context,
                                    const hidl_vec<hidl_string>& keys,
                                    getParameters_cb _hidl_cb) {
     (void)context;
     if (keys.size() == 0) {
         _hidl_cb(Result::OK, {});
     } else {
         _hidl_cb(FAILURE(Result::NOT_SUPPORTED), {});
     }
     return Void();
 }

 Return<Result> Device::setParameters(const hidl_vec<ParameterValue>& context,
                                      const hidl_vec<ParameterValue>& parameters) {
     (void)context;
     (void)parameters;
     return Result::OK;
 }

 Return<void> Device::getMicrophones(getMicrophones_cb _hidl_cb) {
     _hidl_cb(Result::OK, {util::getMicrophoneInfo()});
     return Void();
 }

 Return<Result> Device::setConnectedState(const DeviceAddress& dev_addr, bool connected) {
     (void)dev_addr;
     (void)connected;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 Return<Result> Device::close() {
     std::lock_guard<std::mutex> guard(mMutex);

     return (mInputStreams.empty() && mOutputStreams.empty())
         ? Result::OK : FAILURE(Result::INVALID_STATE);
 }

 Return<Result> Device::addDeviceEffect(AudioPortHandle device, uint64_t effectId) {
     (void)device;
     (void)effectId;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 Return<Result> Device::removeDeviceEffect(AudioPortHandle device, uint64_t effectId) {
     (void)device;
     (void)effectId;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 void Device::unrefDevice(StreamIn *sin) {
     std::lock_guard<std::mutex> guard(mMutex);
     LOG_ALWAYS_FATAL_IF(mInputStreams.erase(sin) < 1);
 }

 void Device::unrefDevice(StreamOut *sout) {
     std::lock_guard<std::mutex> guard(mMutex);
     LOG_ALWAYS_FATAL_IF(mOutputStreams.erase(sout) < 1);
 }

 void Device::updateOutputStreamVolume(float masterVolume) const {
     std::lock_guard<std::mutex> guard(mMutex);
     for (StreamOut *stream : mOutputStreams) {
         stream->setMasterVolume(masterVolume);
     }
 }

 void Device::updateInputStreamMicMute(bool micMute) const {
     std::lock_guard<std::mutex> guard(mMutex);
     for (StreamIn *stream : mInputStreams) {
         stream->setMicMute(micMute);
     }
 }

 std::tuple<Result, sp<IStreamOut>, AudioConfig> Device::openOutputStreamImpl(
         int32_t ioHandle, const DeviceAddress& device,
         const AudioConfig& config, const hidl_vec<AudioInOutFlag>& flags,
         const SourceMetadata& sourceMetadata) {
     if (!StreamOut::validateDeviceAddress(device)
             || !util::checkAudioConfig(config)
             || !StreamOut::validateFlags(flags)
             || !StreamOut::validateSourceMetadata(sourceMetadata)) {
         return {FAILURE(Result::INVALID_ARGUMENTS), {}, {}};
     }

     AudioConfig suggestedConfig;
     if (util::checkAudioConfig(true, kOutBufferDurationMs, config, suggestedConfig)) {
         auto stream = std::make_unique<StreamOut>(
             this, ioHandle, device, suggestedConfig, flags, sourceMetadata);

         stream->setMasterVolume(mMasterMute ? 0.0f : mMasterVolume);

         {
             std::lock_guard<std::mutex> guard(mMutex);
             LOG_ALWAYS_FATAL_IF(!mOutputStreams.insert(stream.get()).second);
         }

         return {Result::OK, stream.release(), suggestedConfig};
     }
     return {FAILURE(Result::INVALID_ARGUMENTS), {}, suggestedConfig};
 }

 std::tuple<Result, sp<IStreamIn>, AudioConfig> Device::openInputStreamImpl(
         int32_t ioHandle, const DeviceAddress& device,
         const AudioConfig& config, const hidl_vec<AudioInOutFlag>& flags,
         const SinkMetadata& sinkMetadata) {
     if (!StreamIn::validateDeviceAddress(device)
             || !util::checkAudioConfig(config)
             || !StreamIn::validateFlags(flags)
             || !StreamIn::validateSinkMetadata(sinkMetadata)) {
         return {FAILURE(Result::INVALID_ARGUMENTS), {}, {}};
     }

     AudioConfig suggestedConfig;
     if (util::checkAudioConfig(false, kInBufferDurationMs, config, suggestedConfig)) {
         auto stream = std::make_unique<StreamIn>(
             this, ioHandle, device, suggestedConfig, flags, sinkMetadata);

         stream->setMicMute(mMicMute);

         {
             std::lock_guard<std::mutex> guard(mMutex);
             LOG_ALWAYS_FATAL_IF(!mInputStreams.insert(stream.get()).second);
         }

         return {Result::OK, stream.release(), suggestedConfig};
     }
     return {FAILURE(Result::INVALID_ARGUMENTS), {}, suggestedConfig};
 }

 #if MAJOR_VERSION == 7 && MINOR_VERSION == 1
 Return<void> Device::openOutputStream_7_1(int32_t ioHandle, const DeviceAddress& device,
         const AudioConfig& config, const hidl_vec<AudioInOutFlag>& flags,
         const SourceMetadata& sourceMetadata, openOutputStream_7_1_cb _hidl_cb) {
     auto [result, stream, cfg] = openOutputStreamImpl(ioHandle, device,
             config, flags, sourceMetadata);
     _hidl_cb(result, stream, cfg);
     return Void();
 }

 Return<Result> Device::setConnectedState_7_1(const AudioPort& devicePort,
                                              bool connected) {
     (void)devicePort;
     (void)connected;
     return FAILURE(Result::NOT_SUPPORTED);
 }
 #endif

 // ==================

 PrimaryDevice::PrimaryDevice() : mDevice(sp<Device>::make()) {
 }

 Return<Result> PrimaryDevice::initCheck() {
     return mDevice->initCheck();
 }

 Return<Result> PrimaryDevice::setMasterVolume(float volume) {
     return mDevice->setMasterVolume(volume);
 }

 Return<void> PrimaryDevice::getMasterVolume(getMasterVolume_cb _hidl_cb) {
     return mDevice->getMasterVolume(_hidl_cb);
 }

 Return<Result> PrimaryDevice::setMicMute(bool mute) {
     return mDevice->setMicMute(mute);
 }

 Return<void> PrimaryDevice::getMicMute(getMicMute_cb _hidl_cb) {
     return mDevice->getMicMute(_hidl_cb);
 }

 Return<Result> PrimaryDevice::setMasterMute(bool mute) {
     return mDevice->setMasterMute(mute);
 }

 Return<void> PrimaryDevice::getMasterMute(getMasterMute_cb _hidl_cb) {
     return mDevice->getMasterMute(_hidl_cb);
 }

 Return<void> PrimaryDevice::getInputBufferSize(const AudioConfig& config,
                                                getInputBufferSize_cb _hidl_cb) {
     return mDevice->getInputBufferSize(config, _hidl_cb);
 }

 Return<void> PrimaryDevice::openOutputStream(int32_t ioHandle,
                                              const DeviceAddress& device,
                                              const AudioConfig& config,
                                              const hidl_vec<AudioInOutFlag>& flags,
                                              const SourceMetadata& sourceMetadata,
                                              openOutputStream_cb _hidl_cb) {
     return mDevice->openOutputStream(ioHandle, device, config, flags, sourceMetadata, _hidl_cb);
 }

 Return<void> PrimaryDevice::openInputStream(int32_t ioHandle,
                                             const DeviceAddress& device,
                                             const AudioConfig& config,
                                             const hidl_vec<AudioInOutFlag>& flags,
                                             const SinkMetadata& sinkMetadata,
                                             openInputStream_cb _hidl_cb) {
     return mDevice->openInputStream(ioHandle, device, config, flags, sinkMetadata, _hidl_cb);
 }

 Return<bool> PrimaryDevice::supportsAudioPatches() {
     return mDevice->supportsAudioPatches();
 }

 Return<void> PrimaryDevice::createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
                                              const hidl_vec<AudioPortConfig>& sinks,
                                              createAudioPatch_cb _hidl_cb) {
     return mDevice->createAudioPatch(sources, sinks, _hidl_cb);
 }

 Return<void> PrimaryDevice::updateAudioPatch(int32_t previousPatch,
                                              const hidl_vec<AudioPortConfig>& sources,
                                              const hidl_vec<AudioPortConfig>& sinks,
                                              updateAudioPatch_cb _hidl_cb) {
     return mDevice->updateAudioPatch(previousPatch, sources, sinks, _hidl_cb);
 }

 Return<Result> PrimaryDevice::releaseAudioPatch(int32_t patch) {
     return mDevice->releaseAudioPatch(patch);
 }

 Return<void> PrimaryDevice::getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) {
     return mDevice->getAudioPort(port, _hidl_cb);
 }

 Return<Result> PrimaryDevice::setAudioPortConfig(const AudioPortConfig& config) {
     return mDevice->setAudioPortConfig(config);
 }

 Return<Result> PrimaryDevice::setScreenState(bool turnedOn) {
     return mDevice->setScreenState(turnedOn);
 }

 Return<void> PrimaryDevice::getHwAvSync(getHwAvSync_cb _hidl_cb) {
     return mDevice->getHwAvSync(_hidl_cb);
 }

 Return<void> PrimaryDevice::getParameters(const hidl_vec<ParameterValue>& context,
                                           const hidl_vec<hidl_string>& keys,
                                           getParameters_cb _hidl_cb) {
     return mDevice->getParameters(context, keys, _hidl_cb);
 }

 Return<Result> PrimaryDevice::setParameters(const hidl_vec<ParameterValue>& context,
                                             const hidl_vec<ParameterValue>& parameters) {
     return mDevice->setParameters(context, parameters);
 }

 Return<void> PrimaryDevice::getMicrophones(getMicrophones_cb _hidl_cb) {
     return mDevice->getMicrophones(_hidl_cb);
 }

 Return<Result> PrimaryDevice::setConnectedState(const DeviceAddress& dev_addr, bool connected) {
     return mDevice->setConnectedState(dev_addr, connected);
 }

 Return<Result> PrimaryDevice::close() {
     return mDevice->close();
 }

 Return<Result> PrimaryDevice::addDeviceEffect(AudioPortHandle device, uint64_t effectId) {
     return mDevice->addDeviceEffect(device, effectId);
 }

 Return<Result> PrimaryDevice::removeDeviceEffect(AudioPortHandle device, uint64_t effectId) {
     return mDevice->removeDeviceEffect(device, effectId);
 }

 Return<Result> PrimaryDevice::setVoiceVolume(float volume) {
     return (volume >= 0 && volume <= 1.0) ? Result::OK : FAILURE(Result::INVALID_ARGUMENTS);
 }

 Return<Result> PrimaryDevice::setMode(AudioMode mode) {
     switch (mode) {
     case AudioMode::NORMAL:
     case AudioMode::RINGTONE:
     case AudioMode::IN_CALL:
     case AudioMode::IN_COMMUNICATION:
         return Result::OK;

     default:
         return FAILURE(Result::INVALID_ARGUMENTS);
     }
 }

 Return<Result> PrimaryDevice::setBtScoHeadsetDebugName(const hidl_string& name) {
     (void)name;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 Return<void> PrimaryDevice::getBtScoNrecEnabled(getBtScoNrecEnabled_cb _hidl_cb) {
     _hidl_cb(FAILURE(Result::NOT_SUPPORTED), false);
     return Void();
 }

 Return<Result> PrimaryDevice::setBtScoNrecEnabled(bool enabled) {
     (void)enabled;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 Return<void> PrimaryDevice::getBtScoWidebandEnabled(getBtScoWidebandEnabled_cb _hidl_cb) {
     _hidl_cb(FAILURE(Result::NOT_SUPPORTED), false);
     return Void();
 }

 Return<Result> PrimaryDevice::setBtScoWidebandEnabled(bool enabled) {
     (void)enabled;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 Return<void> PrimaryDevice::getTtyMode(getTtyMode_cb _hidl_cb) {
     _hidl_cb(FAILURE(Result::NOT_SUPPORTED), TtyMode::OFF);
     return Void();
 }

 Return<Result> PrimaryDevice::setTtyMode(IPrimaryDevice::TtyMode mode) {
     (void)mode;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 Return<void> PrimaryDevice::getHacEnabled(getHacEnabled_cb _hidl_cb) {
     _hidl_cb(FAILURE(Result::NOT_SUPPORTED), false);
     return Void();
 }

 Return<Result> PrimaryDevice::setHacEnabled(bool enabled) {
     (void)enabled;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 Return<void> PrimaryDevice::getBtHfpEnabled(getBtHfpEnabled_cb _hidl_cb) {
     _hidl_cb(FAILURE(Result::NOT_SUPPORTED), false);
     return Void();
 }

 Return<Result> PrimaryDevice::setBtHfpEnabled(bool enabled) {
     (void)enabled;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 Return<Result> PrimaryDevice::setBtHfpSampleRate(uint32_t sampleRateHz) {
     (void)sampleRateHz;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 Return<Result> PrimaryDevice::setBtHfpVolume(float volume) {
     (void)volume;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 Return<Result> PrimaryDevice::updateRotation(IPrimaryDevice::Rotation rotation) {
     (void)rotation;
     return FAILURE(Result::NOT_SUPPORTED);
 }

 }  // namespace implementation
 }  // namespace CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
	/*
	* Copyright (C) 2018 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.
	*/

	#include <log/log.h>
	#include <system/audio.h>
	#include PATH(APM_XSD_ENUMS_H_FILENAME)
	#include "primary_device.h"
	#include "stream_in.h"
	#include "stream_out.h"
	#include "util.h"
	#include "debug.h"

	namespace xsd {
	using namespace ::android::audio::policy::configuration::CPP_VERSION;
	}

	namespace android {
	namespace hardware {
	namespace audio {
	namespace CPP_VERSION {
	namespace implementation {

	constexpr size_t kInBufferDurationMs = 15;
	constexpr size_t kOutBufferDurationMs = 22;

	using ::android::hardware::Void;

	Device::Device() {}

	Return<Result> Device::initCheck() {
	return Result::OK;
	}

	Return<Result> Device::setMasterVolume(float volume) {
	if (isnan(volume) \|\| volume < 0 \|\| volume > 1.0) {
	return FAILURE(Result::INVALID_ARGUMENTS);
	}

	mMasterVolume = volume;
	updateOutputStreamVolume(mMasterMute ? 0.0f : volume);
	return Result::OK;
	}

	Return<void> Device::getMasterVolume(getMasterVolume_cb _hidl_cb) {
	_hidl_cb(Result::OK, mMasterVolume);
	return Void();
	}

	Return<Result> Device::setMicMute(bool mute) {
	mMicMute = mute;
	updateInputStreamMicMute(mute);
	return Result::OK;
	}

	Return<void> Device::getMicMute(getMicMute_cb _hidl_cb) {
	_hidl_cb(Result::OK, mMicMute);
	return Void();
	}

	Return<Result> Device::setMasterMute(bool mute) {
	mMasterMute = mute;
	updateOutputStreamVolume(mute ? 0.0f : mMasterVolume);
	return Result::OK;
	}

	Return<void> Device::getMasterMute(getMasterMute_cb _hidl_cb) {
	_hidl_cb(Result::OK, mMasterMute);
	return Void();
	}

	Return<void> Device::getInputBufferSize(const AudioConfig& config, getInputBufferSize_cb _hidl_cb) {
	AudioConfig suggestedConfig;
	if (util::checkAudioConfig(false, kInBufferDurationMs, config, suggestedConfig)) {
	const size_t sz =
	suggestedConfig.frameCount
	* util::countChannels(suggestedConfig.base.channelMask)
	* util::getBytesPerSample(suggestedConfig.base.format);

	_hidl_cb(Result::OK, sz);
	} else {
	_hidl_cb(FAILURE(Result::INVALID_ARGUMENTS), 0);
	}

	return Void();
	}

	Return<void> Device::openOutputStream(int32_t ioHandle,
	const DeviceAddress& device,
	const AudioConfig& config,
	const hidl_vec<AudioInOutFlag>& flags,
	const SourceMetadata& sourceMetadata,
	openOutputStream_cb _hidl_cb) {
	auto [result, stream, cfg] = openOutputStreamImpl(ioHandle, device,
	config, flags, sourceMetadata);
	_hidl_cb(result, stream, cfg);
	return Void();
	}

	Return<void> Device::openInputStream(int32_t ioHandle,
	const DeviceAddress& device,
	const AudioConfig& config,
	const hidl_vec<AudioInOutFlag>& flags,
	const SinkMetadata& sinkMetadata,
	openInputStream_cb _hidl_cb) {
	auto [result, stream, cfg] = openInputStreamImpl(ioHandle, device,
	config, flags, sinkMetadata);
	_hidl_cb(result, stream, cfg);
	return Void();
	}

	Return<bool> Device::supportsAudioPatches() {
	return true;
	}

	Return<void> Device::createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
	const hidl_vec<AudioPortConfig>& sinks,
	createAudioPatch_cb _hidl_cb) {
	if (sources.size() == 1 && sinks.size() == 1) {
	AudioPatch patch;
	if (!util::checkAudioPortConfig(sources[0]) \|\| !util::checkAudioPortConfig(sinks[0])) {
	_hidl_cb(FAILURE(Result::INVALID_ARGUMENTS), 0);
	return Void();
	}
	patch.source = sources[0];
	patch.sink = sinks[0];

	AudioPatchHandle handle;
	while (true) {
	handle = mNextAudioPatchHandle;
	mNextAudioPatchHandle = std::max(handle + 1, 0);
	if (mAudioPatches.insert({handle, patch}).second) {
	break;
	}
	}

	_hidl_cb(Result::OK, handle);
	} else {
	_hidl_cb(FAILURE(Result::NOT_SUPPORTED), 0);
	}

	return Void();
	}

	Return<void> Device::updateAudioPatch(AudioPatchHandle previousPatchHandle,
	const hidl_vec<AudioPortConfig>& sources,
	const hidl_vec<AudioPortConfig>& sinks,
	updateAudioPatch_cb _hidl_cb) {
	const auto i = mAudioPatches.find(previousPatchHandle);
	if (i == mAudioPatches.end()) {
	_hidl_cb(FAILURE(Result::INVALID_ARGUMENTS), previousPatchHandle);
	} else {
	if (sources.size() == 1 && sinks.size() == 1) {
	AudioPatch patch;
	patch.source = sources[0];
	patch.sink = sinks[0];
	i->second = patch;

	_hidl_cb(Result::OK, previousPatchHandle);
	} else {
	_hidl_cb(Result::NOT_SUPPORTED, previousPatchHandle);
	}
	}

	return Void();
	}

	Return<Result> Device::releaseAudioPatch(AudioPatchHandle patchHandle) {
	return (mAudioPatches.erase(patchHandle) == 1) ? Result::OK : FAILURE(Result::INVALID_ARGUMENTS);
	}

	Return<void> Device::getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) {
	_hidl_cb(FAILURE(Result::NOT_SUPPORTED), port);
	return Void();
	}

	Return<Result> Device::setAudioPortConfig(const AudioPortConfig& config) {
	(void)config;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	Return<Result> Device::setScreenState(bool turnedOn) {
	(void)turnedOn;
	return Result::OK;
	}

	Return<void> Device::getHwAvSync(getHwAvSync_cb _hidl_cb) {
	_hidl_cb(FAILURE(Result::NOT_SUPPORTED), {});
	return Void();
	}

	Return<void> Device::getParameters(const hidl_vec<ParameterValue>& context,
	const hidl_vec<hidl_string>& keys,
	getParameters_cb _hidl_cb) {
	(void)context;
	if (keys.size() == 0) {
	_hidl_cb(Result::OK, {});
	} else {
	_hidl_cb(FAILURE(Result::NOT_SUPPORTED), {});
	}
	return Void();
	}

	Return<Result> Device::setParameters(const hidl_vec<ParameterValue>& context,
	const hidl_vec<ParameterValue>& parameters) {
	(void)context;
	(void)parameters;
	return Result::OK;
	}

	Return<void> Device::getMicrophones(getMicrophones_cb _hidl_cb) {
	_hidl_cb(Result::OK, {util::getMicrophoneInfo()});
	return Void();
	}

	Return<Result> Device::setConnectedState(const DeviceAddress& dev_addr, bool connected) {
	(void)dev_addr;
	(void)connected;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	Return<Result> Device::close() {
	std::lock_guard<std::mutex> guard(mMutex);

	return (mInputStreams.empty() && mOutputStreams.empty())
	? Result::OK : FAILURE(Result::INVALID_STATE);
	}

	Return<Result> Device::addDeviceEffect(AudioPortHandle device, uint64_t effectId) {
	(void)device;
	(void)effectId;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	Return<Result> Device::removeDeviceEffect(AudioPortHandle device, uint64_t effectId) {
	(void)device;
	(void)effectId;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	void Device::unrefDevice(StreamIn *sin) {
	std::lock_guard<std::mutex> guard(mMutex);
	LOG_ALWAYS_FATAL_IF(mInputStreams.erase(sin) < 1);
	}

	void Device::unrefDevice(StreamOut *sout) {
	std::lock_guard<std::mutex> guard(mMutex);
	LOG_ALWAYS_FATAL_IF(mOutputStreams.erase(sout) < 1);
	}

	void Device::updateOutputStreamVolume(float masterVolume) const {
	std::lock_guard<std::mutex> guard(mMutex);
	for (StreamOut *stream : mOutputStreams) {
	stream->setMasterVolume(masterVolume);
	}
	}

	void Device::updateInputStreamMicMute(bool micMute) const {
	std::lock_guard<std::mutex> guard(mMutex);
	for (StreamIn *stream : mInputStreams) {
	stream->setMicMute(micMute);
	}
	}

	std::tuple<Result, sp<IStreamOut>, AudioConfig> Device::openOutputStreamImpl(
	int32_t ioHandle, const DeviceAddress& device,
	const AudioConfig& config, const hidl_vec<AudioInOutFlag>& flags,
	const SourceMetadata& sourceMetadata) {
	if (!StreamOut::validateDeviceAddress(device)
	\|\| !util::checkAudioConfig(config)
	\|\| !StreamOut::validateFlags(flags)
	\|\| !StreamOut::validateSourceMetadata(sourceMetadata)) {
	return {FAILURE(Result::INVALID_ARGUMENTS), {}, {}};
	}

	AudioConfig suggestedConfig;
	if (util::checkAudioConfig(true, kOutBufferDurationMs, config, suggestedConfig)) {
	auto stream = std::make_unique<StreamOut>(
	this, ioHandle, device, suggestedConfig, flags, sourceMetadata);

	stream->setMasterVolume(mMasterMute ? 0.0f : mMasterVolume);

	{
	std::lock_guard<std::mutex> guard(mMutex);
	LOG_ALWAYS_FATAL_IF(!mOutputStreams.insert(stream.get()).second);
	}

	return {Result::OK, stream.release(), suggestedConfig};
	}
	return {FAILURE(Result::INVALID_ARGUMENTS), {}, suggestedConfig};
	}

	std::tuple<Result, sp<IStreamIn>, AudioConfig> Device::openInputStreamImpl(
	int32_t ioHandle, const DeviceAddress& device,
	const AudioConfig& config, const hidl_vec<AudioInOutFlag>& flags,
	const SinkMetadata& sinkMetadata) {
	if (!StreamIn::validateDeviceAddress(device)
	\|\| !util::checkAudioConfig(config)
	\|\| !StreamIn::validateFlags(flags)
	\|\| !StreamIn::validateSinkMetadata(sinkMetadata)) {
	return {FAILURE(Result::INVALID_ARGUMENTS), {}, {}};
	}

	AudioConfig suggestedConfig;
	if (util::checkAudioConfig(false, kInBufferDurationMs, config, suggestedConfig)) {
	auto stream = std::make_unique<StreamIn>(
	this, ioHandle, device, suggestedConfig, flags, sinkMetadata);

	stream->setMicMute(mMicMute);

	{
	std::lock_guard<std::mutex> guard(mMutex);
	LOG_ALWAYS_FATAL_IF(!mInputStreams.insert(stream.get()).second);
	}

	return {Result::OK, stream.release(), suggestedConfig};
	}
	return {FAILURE(Result::INVALID_ARGUMENTS), {}, suggestedConfig};
	}

	#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
	Return<void> Device::openOutputStream_7_1(int32_t ioHandle, const DeviceAddress& device,
	const AudioConfig& config, const hidl_vec<AudioInOutFlag>& flags,
	const SourceMetadata& sourceMetadata, openOutputStream_7_1_cb _hidl_cb) {
	auto [result, stream, cfg] = openOutputStreamImpl(ioHandle, device,
	config, flags, sourceMetadata);
	_hidl_cb(result, stream, cfg);
	return Void();
	}

	Return<Result> Device::setConnectedState_7_1(const AudioPort& devicePort,
	bool connected) {
	(void)devicePort;
	(void)connected;
	return FAILURE(Result::NOT_SUPPORTED);
	}
	#endif

	// ==================

	PrimaryDevice::PrimaryDevice() : mDevice(sp<Device>::make()) {
	}

	Return<Result> PrimaryDevice::initCheck() {
	return mDevice->initCheck();
	}

	Return<Result> PrimaryDevice::setMasterVolume(float volume) {
	return mDevice->setMasterVolume(volume);
	}

	Return<void> PrimaryDevice::getMasterVolume(getMasterVolume_cb _hidl_cb) {
	return mDevice->getMasterVolume(_hidl_cb);
	}

	Return<Result> PrimaryDevice::setMicMute(bool mute) {
	return mDevice->setMicMute(mute);
	}

	Return<void> PrimaryDevice::getMicMute(getMicMute_cb _hidl_cb) {
	return mDevice->getMicMute(_hidl_cb);
	}

	Return<Result> PrimaryDevice::setMasterMute(bool mute) {
	return mDevice->setMasterMute(mute);
	}

	Return<void> PrimaryDevice::getMasterMute(getMasterMute_cb _hidl_cb) {
	return mDevice->getMasterMute(_hidl_cb);
	}

	Return<void> PrimaryDevice::getInputBufferSize(const AudioConfig& config,
	getInputBufferSize_cb _hidl_cb) {
	return mDevice->getInputBufferSize(config, _hidl_cb);
	}

	Return<void> PrimaryDevice::openOutputStream(int32_t ioHandle,
	const DeviceAddress& device,
	const AudioConfig& config,
	const hidl_vec<AudioInOutFlag>& flags,
	const SourceMetadata& sourceMetadata,
	openOutputStream_cb _hidl_cb) {
	return mDevice->openOutputStream(ioHandle, device, config, flags, sourceMetadata, _hidl_cb);
	}

	Return<void> PrimaryDevice::openInputStream(int32_t ioHandle,
	const DeviceAddress& device,
	const AudioConfig& config,
	const hidl_vec<AudioInOutFlag>& flags,
	const SinkMetadata& sinkMetadata,
	openInputStream_cb _hidl_cb) {
	return mDevice->openInputStream(ioHandle, device, config, flags, sinkMetadata, _hidl_cb);
	}

	Return<bool> PrimaryDevice::supportsAudioPatches() {
	return mDevice->supportsAudioPatches();
	}

	Return<void> PrimaryDevice::createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
	const hidl_vec<AudioPortConfig>& sinks,
	createAudioPatch_cb _hidl_cb) {
	return mDevice->createAudioPatch(sources, sinks, _hidl_cb);
	}

	Return<void> PrimaryDevice::updateAudioPatch(int32_t previousPatch,
	const hidl_vec<AudioPortConfig>& sources,
	const hidl_vec<AudioPortConfig>& sinks,
	updateAudioPatch_cb _hidl_cb) {
	return mDevice->updateAudioPatch(previousPatch, sources, sinks, _hidl_cb);
	}

	Return<Result> PrimaryDevice::releaseAudioPatch(int32_t patch) {
	return mDevice->releaseAudioPatch(patch);
	}

	Return<void> PrimaryDevice::getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) {
	return mDevice->getAudioPort(port, _hidl_cb);
	}

	Return<Result> PrimaryDevice::setAudioPortConfig(const AudioPortConfig& config) {
	return mDevice->setAudioPortConfig(config);
	}

	Return<Result> PrimaryDevice::setScreenState(bool turnedOn) {
	return mDevice->setScreenState(turnedOn);
	}

	Return<void> PrimaryDevice::getHwAvSync(getHwAvSync_cb _hidl_cb) {
	return mDevice->getHwAvSync(_hidl_cb);
	}

	Return<void> PrimaryDevice::getParameters(const hidl_vec<ParameterValue>& context,
	const hidl_vec<hidl_string>& keys,
	getParameters_cb _hidl_cb) {
	return mDevice->getParameters(context, keys, _hidl_cb);
	}

	Return<Result> PrimaryDevice::setParameters(const hidl_vec<ParameterValue>& context,
	const hidl_vec<ParameterValue>& parameters) {
	return mDevice->setParameters(context, parameters);
	}

	Return<void> PrimaryDevice::getMicrophones(getMicrophones_cb _hidl_cb) {
	return mDevice->getMicrophones(_hidl_cb);
	}

	Return<Result> PrimaryDevice::setConnectedState(const DeviceAddress& dev_addr, bool connected) {
	return mDevice->setConnectedState(dev_addr, connected);
	}

	Return<Result> PrimaryDevice::close() {
	return mDevice->close();
	}

	Return<Result> PrimaryDevice::addDeviceEffect(AudioPortHandle device, uint64_t effectId) {
	return mDevice->addDeviceEffect(device, effectId);
	}

	Return<Result> PrimaryDevice::removeDeviceEffect(AudioPortHandle device, uint64_t effectId) {
	return mDevice->removeDeviceEffect(device, effectId);
	}

	Return<Result> PrimaryDevice::setVoiceVolume(float volume) {
	return (volume >= 0 && volume <= 1.0) ? Result::OK : FAILURE(Result::INVALID_ARGUMENTS);
	}

	Return<Result> PrimaryDevice::setMode(AudioMode mode) {
	switch (mode) {
	case AudioMode::NORMAL:
	case AudioMode::RINGTONE:
	case AudioMode::IN_CALL:
	case AudioMode::IN_COMMUNICATION:
	return Result::OK;

	default:
	return FAILURE(Result::INVALID_ARGUMENTS);
	}
	}

	Return<Result> PrimaryDevice::setBtScoHeadsetDebugName(const hidl_string& name) {
	(void)name;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	Return<void> PrimaryDevice::getBtScoNrecEnabled(getBtScoNrecEnabled_cb _hidl_cb) {
	_hidl_cb(FAILURE(Result::NOT_SUPPORTED), false);
	return Void();
	}

	Return<Result> PrimaryDevice::setBtScoNrecEnabled(bool enabled) {
	(void)enabled;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	Return<void> PrimaryDevice::getBtScoWidebandEnabled(getBtScoWidebandEnabled_cb _hidl_cb) {
	_hidl_cb(FAILURE(Result::NOT_SUPPORTED), false);
	return Void();
	}

	Return<Result> PrimaryDevice::setBtScoWidebandEnabled(bool enabled) {
	(void)enabled;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	Return<void> PrimaryDevice::getTtyMode(getTtyMode_cb _hidl_cb) {
	_hidl_cb(FAILURE(Result::NOT_SUPPORTED), TtyMode::OFF);
	return Void();
	}

	Return<Result> PrimaryDevice::setTtyMode(IPrimaryDevice::TtyMode mode) {
	(void)mode;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	Return<void> PrimaryDevice::getHacEnabled(getHacEnabled_cb _hidl_cb) {
	_hidl_cb(FAILURE(Result::NOT_SUPPORTED), false);
	return Void();
	}

	Return<Result> PrimaryDevice::setHacEnabled(bool enabled) {
	(void)enabled;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	Return<void> PrimaryDevice::getBtHfpEnabled(getBtHfpEnabled_cb _hidl_cb) {
	_hidl_cb(FAILURE(Result::NOT_SUPPORTED), false);
	return Void();
	}

	Return<Result> PrimaryDevice::setBtHfpEnabled(bool enabled) {
	(void)enabled;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	Return<Result> PrimaryDevice::setBtHfpSampleRate(uint32_t sampleRateHz) {
	(void)sampleRateHz;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	Return<Result> PrimaryDevice::setBtHfpVolume(float volume) {
	(void)volume;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	Return<Result> PrimaryDevice::updateRotation(IPrimaryDevice::Rotation rotation) {
	(void)rotation;
	return FAILURE(Result::NOT_SUPPORTED);
	}

	} // namespace implementation
	} // namespace CPP_VERSION
	} // namespace audio
	} // namespace hardware
	} // namespace android