Merge changes from topic "fix-aidl-mix-ports-and-bt" into main am: eafa78c929 am: 002c58fafd

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2877679

Change-Id: I1cd3e1d4a6f045112687ec25e0b59ab3a7af931b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Mikhail Naganov
2023-12-27 04:36:33 +00:00
committed by Automerger Merge Worker
7 changed files with 397 additions and 245 deletions

View File

@@ -14,7 +14,7 @@
* limitations under the License.
*/
#define LOG_TAG "AHAL_BluetoothPortProxy"
#define LOG_TAG "AHAL_BluetoothAudioPort"
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
@@ -254,12 +254,7 @@ bool BluetoothAudioPortAidl::inUse() const {
return (mCookie != ::aidl::android::hardware::bluetooth::audio::kObserversCookieUndefined);
}
bool BluetoothAudioPortAidl::getPreferredDataIntervalUs(size_t* interval_us) const {
if (!interval_us) {
LOG(ERROR) << __func__ << ": bad input arg";
return false;
}
bool BluetoothAudioPortAidl::getPreferredDataIntervalUs(size_t& interval_us) const {
if (!inUse()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";
return false;
@@ -272,16 +267,11 @@ bool BluetoothAudioPortAidl::getPreferredDataIntervalUs(size_t* interval_us) con
return false;
}
*interval_us = hal_audio_cfg.get<AudioConfiguration::pcmConfig>().dataIntervalUs;
interval_us = hal_audio_cfg.get<AudioConfiguration::pcmConfig>().dataIntervalUs;
return true;
}
bool BluetoothAudioPortAidl::loadAudioConfig(PcmConfiguration* audio_cfg) const {
if (!audio_cfg) {
LOG(ERROR) << __func__ << ": bad input arg";
return false;
}
bool BluetoothAudioPortAidl::loadAudioConfig(PcmConfiguration& audio_cfg) {
if (!inUse()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";
return false;
@@ -293,15 +283,26 @@ bool BluetoothAudioPortAidl::loadAudioConfig(PcmConfiguration* audio_cfg) const
LOG(ERROR) << __func__ << ": unsupported audio cfg tag";
return false;
}
*audio_cfg = hal_audio_cfg.get<AudioConfiguration::pcmConfig>();
audio_cfg = hal_audio_cfg.get<AudioConfiguration::pcmConfig>();
LOG(VERBOSE) << __func__ << debugMessage() << ", state*=" << getState() << ", PcmConfig=["
<< audio_cfg->toString() << "]";
if (audio_cfg->channelMode == ChannelMode::UNKNOWN) {
<< audio_cfg.toString() << "]";
if (audio_cfg.channelMode == ChannelMode::UNKNOWN) {
return false;
}
return true;
}
bool BluetoothAudioPortAidlOut::loadAudioConfig(PcmConfiguration& audio_cfg) {
if (!BluetoothAudioPortAidl::loadAudioConfig(audio_cfg)) return false;
// WAR to support Mono / 16 bits per sample as the Bluetooth stack requires
if (audio_cfg.channelMode == ChannelMode::MONO && audio_cfg.bitsPerSample == 16) {
mIsStereoToMono = true;
audio_cfg.channelMode = ChannelMode::STEREO;
LOG(INFO) << __func__ << ": force channels = to be AUDIO_CHANNEL_OUT_STEREO";
}
return true;
}
bool BluetoothAudioPortAidl::standby() {
if (!inUse()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";
@@ -435,7 +436,7 @@ bool BluetoothAudioPortAidl::suspend() {
retval = condWaitState(BluetoothStreamState::SUSPENDING);
} else {
LOG(ERROR) << __func__ << debugMessage() << ", state=" << getState()
<< " Hal fails";
<< " failure to suspend stream";
}
}
}

View File

@@ -24,13 +24,25 @@
using aidl::android::hardware::audio::common::SinkMetadata;
using aidl::android::hardware::audio::common::SourceMetadata;
using aidl::android::hardware::bluetooth::audio::ChannelMode;
using aidl::android::hardware::bluetooth::audio::PcmConfiguration;
using aidl::android::media::audio::common::AudioChannelLayout;
using aidl::android::media::audio::common::AudioConfigBase;
using aidl::android::media::audio::common::AudioDeviceDescription;
using aidl::android::media::audio::common::AudioDeviceType;
using aidl::android::media::audio::common::AudioFormatDescription;
using aidl::android::media::audio::common::AudioFormatType;
using aidl::android::media::audio::common::AudioIoFlags;
using aidl::android::media::audio::common::AudioOffloadInfo;
using aidl::android::media::audio::common::AudioPort;
using aidl::android::media::audio::common::AudioPortConfig;
using aidl::android::media::audio::common::AudioPortExt;
using aidl::android::media::audio::common::AudioProfile;
using aidl::android::media::audio::common::Int;
using aidl::android::media::audio::common::MicrophoneInfo;
using aidl::android::media::audio::common::PcmType;
using android::bluetooth::audio::aidl::BluetoothAudioPortAidl;
using android::bluetooth::audio::aidl::BluetoothAudioPortAidlIn;
using android::bluetooth::audio::aidl::BluetoothAudioPortAidlOut;
// TODO(b/312265159) bluetooth audio should be in its own process
@@ -39,6 +51,35 @@ extern "C" binder_status_t createIBluetoothAudioProviderFactory();
namespace aidl::android::hardware::audio::core {
namespace {
PcmType pcmTypeFromBitsPerSample(int8_t bitsPerSample) {
if (bitsPerSample == 8)
return PcmType::UINT_8_BIT;
else if (bitsPerSample == 16)
return PcmType::INT_16_BIT;
else if (bitsPerSample == 24)
return PcmType::INT_24_BIT;
else if (bitsPerSample == 32)
return PcmType::INT_32_BIT;
ALOGE("Unsupported bitsPerSample: %d", bitsPerSample);
return PcmType::DEFAULT;
}
AudioChannelLayout channelLayoutFromChannelMode(ChannelMode mode) {
if (mode == ChannelMode::MONO) {
return AudioChannelLayout::make<AudioChannelLayout::layoutMask>(
AudioChannelLayout::LAYOUT_MONO);
} else if (mode == ChannelMode::STEREO || mode == ChannelMode::DUALMONO) {
return AudioChannelLayout::make<AudioChannelLayout::layoutMask>(
AudioChannelLayout::LAYOUT_STEREO);
}
ALOGE("Unsupported channel mode: %s", toString(mode).c_str());
return AudioChannelLayout{};
}
} // namespace
ModuleBluetooth::ModuleBluetooth(std::unique_ptr<Module::Configuration>&& config)
: Module(Type::BLUETOOTH, std::move(config)) {
// TODO(b/312265159) bluetooth audio should be in its own process
@@ -95,66 +136,130 @@ ndk::ScopedAStatus ModuleBluetooth::setMicMute(bool in_mute __unused) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
ndk::ScopedAStatus ModuleBluetooth::setAudioPortConfig(const AudioPortConfig& in_requested,
AudioPortConfig* out_suggested,
bool* _aidl_return) {
auto fillConfig = [this](const AudioPort& port, AudioPortConfig* config) {
if (port.ext.getTag() == AudioPortExt::device) {
CachedProxy proxy;
auto status = findOrCreateProxy(port, proxy);
if (status.isOk()) {
const auto& pcmConfig = proxy.pcmConfig;
LOG(DEBUG) << "setAudioPortConfig: suggesting port config from "
<< pcmConfig.toString();
const auto pcmType = pcmTypeFromBitsPerSample(pcmConfig.bitsPerSample);
const auto channelMask = channelLayoutFromChannelMode(pcmConfig.channelMode);
if (pcmType != PcmType::DEFAULT && channelMask != AudioChannelLayout{}) {
config->format =
AudioFormatDescription{.type = AudioFormatType::PCM, .pcm = pcmType};
config->channelMask = channelMask;
config->sampleRate = Int{.value = pcmConfig.sampleRateHz};
config->flags = port.flags;
config->ext = port.ext;
return true;
}
}
}
return generateDefaultPortConfig(port, config);
};
return Module::setAudioPortConfigImpl(in_requested, fillConfig, out_suggested, _aidl_return);
}
ndk::ScopedAStatus ModuleBluetooth::checkAudioPatchEndpointsMatch(
const std::vector<AudioPortConfig*>& sources, const std::vector<AudioPortConfig*>& sinks) {
// Both sources and sinks must be non-empty, this is guaranteed by 'setAudioPatch'.
const bool isInput = sources[0]->ext.getTag() == AudioPortExt::device;
const int32_t devicePortId = isInput ? sources[0]->portId : sinks[0]->portId;
const auto proxyIt = mProxies.find(devicePortId);
if (proxyIt == mProxies.end()) return ndk::ScopedAStatus::ok();
const auto& pcmConfig = proxyIt->second.pcmConfig;
const AudioPortConfig* mixPortConfig = isInput ? sinks[0] : sources[0];
if (!StreamBluetooth::checkConfigParams(
pcmConfig, AudioConfigBase{.sampleRate = mixPortConfig->sampleRate->value,
.channelMask = *(mixPortConfig->channelMask),
.format = *(mixPortConfig->format)})) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
if (int32_t handle = mixPortConfig->ext.get<AudioPortExt::mix>().handle; handle > 0) {
mConnections.insert(std::pair(handle, devicePortId));
}
return ndk::ScopedAStatus::ok();
}
void ModuleBluetooth::onExternalDeviceConnectionChanged(const AudioPort& audioPort,
bool connected) {
if (!connected) mProxies.erase(audioPort.id);
}
ndk::ScopedAStatus ModuleBluetooth::createInputStream(
StreamContext&& context, const SinkMetadata& sinkMetadata,
const std::vector<MicrophoneInfo>& microphones, std::shared_ptr<StreamIn>* result) {
CachedProxy proxy;
RETURN_STATUS_IF_ERROR(fetchAndCheckProxy(context, proxy));
return createStreamInstance<StreamInBluetooth>(result, std::move(context), sinkMetadata,
microphones, getBtProfileManagerHandles());
microphones, getBtProfileManagerHandles(),
proxy.ptr, proxy.pcmConfig);
}
ndk::ScopedAStatus ModuleBluetooth::createOutputStream(
StreamContext&& context, const SourceMetadata& sourceMetadata,
const std::optional<AudioOffloadInfo>& offloadInfo, std::shared_ptr<StreamOut>* result) {
CachedProxy proxy;
RETURN_STATUS_IF_ERROR(fetchAndCheckProxy(context, proxy));
return createStreamInstance<StreamOutBluetooth>(result, std::move(context), sourceMetadata,
offloadInfo, getBtProfileManagerHandles());
offloadInfo, getBtProfileManagerHandles(),
proxy.ptr, proxy.pcmConfig);
}
ndk::ScopedAStatus ModuleBluetooth::populateConnectedDevicePort(AudioPort* audioPort, int32_t) {
ndk::ScopedAStatus ModuleBluetooth::populateConnectedDevicePort(AudioPort* audioPort,
int32_t nextPortId) {
if (audioPort->ext.getTag() != AudioPortExt::device) {
LOG(ERROR) << __func__ << ": not a device port: " << audioPort->toString();
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
}
if (!::aidl::android::hardware::bluetooth::audio::BluetoothAudioSession::IsAidlAvailable()) {
LOG(ERROR) << __func__ << ": IBluetoothAudioProviderFactory AIDL service not available";
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
const auto& devicePort = audioPort->ext.get<AudioPortExt::device>();
const auto& description = devicePort.device.type;
// Since the configuration of the BT module is static, there is nothing to populate here.
// However, this method must return an error when the device can not be connected,
// this is determined by the status of BT profiles.
// This method must return an error when the device can not be connected.
if (description.connection == AudioDeviceDescription::CONNECTION_BT_A2DP) {
bool isA2dpEnabled = false;
if (!!mBluetoothA2dp) {
RETURN_STATUS_IF_ERROR((*mBluetoothA2dp).isEnabled(&isA2dpEnabled));
}
LOG(DEBUG) << __func__ << ": isA2dpEnabled: " << isA2dpEnabled;
return isA2dpEnabled ? ndk::ScopedAStatus::ok()
: ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
if (!isA2dpEnabled) return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
} else if (description.connection == AudioDeviceDescription::CONNECTION_BT_LE) {
bool isLeEnabled = false;
if (!!mBluetoothLe) {
RETURN_STATUS_IF_ERROR((*mBluetoothLe).isEnabled(&isLeEnabled));
}
LOG(DEBUG) << __func__ << ": isLeEnabled: " << isLeEnabled;
return isLeEnabled ? ndk::ScopedAStatus::ok()
: ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
if (!isLeEnabled) return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
} else if (description.connection == AudioDeviceDescription::CONNECTION_WIRELESS &&
description.type == AudioDeviceType::OUT_HEARING_AID) {
// Hearing aids can use a number of profiles, thus the only way to check
// connectivity is to try to talk to the BT HAL.
if (!::aidl::android::hardware::bluetooth::audio::BluetoothAudioSession::
IsAidlAvailable()) {
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
std::shared_ptr<BluetoothAudioPortAidl> proxy = std::shared_ptr<BluetoothAudioPortAidl>(
std::make_shared<BluetoothAudioPortAidlOut>());
if (proxy->registerPort(description)) {
LOG(DEBUG) << __func__ << ": registered hearing aid port";
proxy->unregisterPort();
return ndk::ScopedAStatus::ok();
}
LOG(DEBUG) << __func__ << ": failed to register hearing aid port";
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
// Hearing aids can use a number of profiles, no single switch exists.
} else {
LOG(ERROR) << __func__ << ": unsupported device type: " << audioPort->toString();
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
}
LOG(ERROR) << __func__ << ": unsupported device type: " << audioPort->toString();
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
CachedProxy proxy;
RETURN_STATUS_IF_ERROR(createProxy(*audioPort, nextPortId, proxy));
// Since the device is already connected and configured by the BT stack, provide
// the current configuration instead of all possible profiles.
const auto& pcmConfig = proxy.pcmConfig;
audioPort->profiles.clear();
audioPort->profiles.push_back(
AudioProfile{.format = AudioFormatDescription{.type = AudioFormatType::PCM,
.pcm = pcmTypeFromBitsPerSample(
pcmConfig.bitsPerSample)},
.channelMasks = std::vector<AudioChannelLayout>(
{channelLayoutFromChannelMode(pcmConfig.channelMode)}),
.sampleRates = std::vector<int>({pcmConfig.sampleRateHz})});
LOG(DEBUG) << __func__ << ": " << audioPort->toString();
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus ModuleBluetooth::onMasterMuteChanged(bool) {
@@ -167,4 +272,77 @@ ndk::ScopedAStatus ModuleBluetooth::onMasterVolumeChanged(float) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
int32_t ModuleBluetooth::getNominalLatencyMs(const AudioPortConfig& portConfig) {
const auto connectionsIt = mConnections.find(portConfig.ext.get<AudioPortExt::mix>().handle);
if (connectionsIt != mConnections.end()) {
const auto proxyIt = mProxies.find(connectionsIt->second);
if (proxyIt != mProxies.end()) {
auto proxy = proxyIt->second.ptr;
size_t dataIntervalUs = 0;
if (!proxy->getPreferredDataIntervalUs(dataIntervalUs)) {
LOG(WARNING) << __func__ << ": could not fetch preferred data interval";
}
const bool isInput = portConfig.flags->getTag() == AudioIoFlags::input;
return isInput ? StreamInBluetooth::getNominalLatencyMs(dataIntervalUs)
: StreamOutBluetooth::getNominalLatencyMs(dataIntervalUs);
}
}
LOG(ERROR) << __func__ << ": no connection or proxy found for " << portConfig.toString();
return Module::getNominalLatencyMs(portConfig);
}
ndk::ScopedAStatus ModuleBluetooth::createProxy(const AudioPort& audioPort, int32_t instancePortId,
CachedProxy& proxy) {
const bool isInput = audioPort.flags.getTag() == AudioIoFlags::input;
proxy.ptr = isInput ? std::shared_ptr<BluetoothAudioPortAidl>(
std::make_shared<BluetoothAudioPortAidlIn>())
: std::shared_ptr<BluetoothAudioPortAidl>(
std::make_shared<BluetoothAudioPortAidlOut>());
const auto& devicePort = audioPort.ext.get<AudioPortExt::device>();
if (const auto device = devicePort.device.type; !proxy.ptr->registerPort(device)) {
LOG(ERROR) << __func__ << ": failed to register BT port for " << device.toString();
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
if (!proxy.ptr->loadAudioConfig(proxy.pcmConfig)) {
LOG(ERROR) << __func__ << ": state=" << proxy.ptr->getState()
<< ", failed to load audio config";
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
mProxies.insert(std::pair(instancePortId, proxy));
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus ModuleBluetooth::fetchAndCheckProxy(const StreamContext& context,
CachedProxy& proxy) {
const auto connectionsIt = mConnections.find(context.getMixPortHandle());
if (connectionsIt != mConnections.end()) {
const auto proxyIt = mProxies.find(connectionsIt->second);
if (proxyIt != mProxies.end()) {
proxy = proxyIt->second;
mProxies.erase(proxyIt);
}
mConnections.erase(connectionsIt);
}
if (proxy.ptr != nullptr) {
if (!StreamBluetooth::checkConfigParams(
proxy.pcmConfig, AudioConfigBase{.sampleRate = context.getSampleRate(),
.channelMask = context.getChannelLayout(),
.format = context.getFormat()})) {
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
}
// Not having a proxy is OK, it may happen in VTS tests when streams are opened on unconnected
// mix ports.
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus ModuleBluetooth::findOrCreateProxy(const AudioPort& audioPort,
CachedProxy& proxy) {
if (auto proxyIt = mProxies.find(audioPort.id); proxyIt != mProxies.end()) {
proxy = proxyIt->second;
return ndk::ScopedAStatus::ok();
}
return createProxy(audioPort, audioPort.id, proxy);
}
} // namespace aidl::android::hardware::audio::core

View File

@@ -14,8 +14,9 @@
* limitations under the License.
*/
#define LOG_TAG "AHAL_StreamBluetooth"
#include <algorithm>
#define LOG_TAG "AHAL_StreamBluetooth"
#include <Utils.h>
#include <android-base/logging.h>
#include <audio_utils/clock.h>
@@ -31,6 +32,7 @@ using aidl::android::hardware::bluetooth::audio::ChannelMode;
using aidl::android::hardware::bluetooth::audio::PcmConfiguration;
using aidl::android::hardware::bluetooth::audio::PresentationPosition;
using aidl::android::media::audio::common::AudioChannelLayout;
using aidl::android::media::audio::common::AudioConfigBase;
using aidl::android::media::audio::common::AudioDevice;
using aidl::android::media::audio::common::AudioDeviceAddress;
using aidl::android::media::audio::common::AudioFormatDescription;
@@ -48,51 +50,33 @@ namespace aidl::android::hardware::audio::core {
constexpr int kBluetoothDefaultInputBufferMs = 20;
constexpr int kBluetoothDefaultOutputBufferMs = 10;
// constexpr int kBluetoothSpatializerOutputBufferMs = 10;
constexpr int kBluetoothDefaultRemoteDelayMs = 200;
// pcm configuration params are not really used by the module
StreamBluetooth::StreamBluetooth(StreamContext* context, const Metadata& metadata,
ModuleBluetooth::BtProfileHandles&& btHandles)
ModuleBluetooth::BtProfileHandles&& btHandles,
const std::shared_ptr<BluetoothAudioPortAidl>& btDeviceProxy,
const PcmConfiguration& pcmConfig)
: StreamCommonImpl(context, metadata),
mSampleRate(getContext().getSampleRate()),
mChannelLayout(getContext().getChannelLayout()),
mFormat(getContext().getFormat()),
mFrameSizeBytes(getContext().getFrameSize()),
mIsInput(isInput(metadata)),
mBluetoothA2dp(std::move(std::get<ModuleBluetooth::BtInterface::BTA2DP>(btHandles))),
mBluetoothLe(std::move(std::get<ModuleBluetooth::BtInterface::BTLE>(btHandles))) {
mPreferredDataIntervalUs =
(mIsInput ? kBluetoothDefaultInputBufferMs : kBluetoothDefaultOutputBufferMs) * 1000;
mPreferredFrameCount = frameCountFromDurationUs(mPreferredDataIntervalUs, mSampleRate);
mIsInitialized = false;
mIsReadyToClose = false;
}
mBluetoothLe(std::move(std::get<ModuleBluetooth::BtInterface::BTLE>(btHandles))),
mPreferredDataIntervalUs(pcmConfig.dataIntervalUs != 0
? pcmConfig.dataIntervalUs
: (mIsInput ? kBluetoothDefaultInputBufferMs
: kBluetoothDefaultOutputBufferMs) *
1000),
mPreferredFrameCount(
frameCountFromDurationUs(mPreferredDataIntervalUs, pcmConfig.sampleRateHz)),
mBtDeviceProxy(btDeviceProxy) {}
::android::status_t StreamBluetooth::init() {
return ::android::OK; // defering this till we get AudioDeviceDescription
}
const StreamCommonInterface::ConnectedDevices& StreamBluetooth::getConnectedDevices() const {
std::lock_guard guard(mLock);
return StreamCommonImpl::getConnectedDevices();
}
ndk::ScopedAStatus StreamBluetooth::setConnectedDevices(
const std::vector<AudioDevice>& connectedDevices) {
if (mIsInput && connectedDevices.size() > 1) {
LOG(ERROR) << __func__ << ": wrong device size(" << connectedDevices.size()
<< ") for input stream";
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
if (mBtDeviceProxy == nullptr) {
// This is a normal situation in VTS tests.
LOG(INFO) << __func__ << ": no BT HAL proxy, stream is non-functional";
}
for (const auto& connectedDevice : connectedDevices) {
if (connectedDevice.address.getTag() != AudioDeviceAddress::mac) {
LOG(ERROR) << __func__ << ": bad device address" << connectedDevice.address.toString();
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
}
}
std::lock_guard guard(mLock);
RETURN_STATUS_IF_ERROR(StreamCommonImpl::setConnectedDevices(connectedDevices));
mIsInitialized = false; // updated connected device list, need initialization
return ndk::ScopedAStatus::ok();
return ::android::OK;
}
::android::status_t StreamBluetooth::drain(StreamDescriptor::DrainMode) {
@@ -112,167 +96,111 @@ ndk::ScopedAStatus StreamBluetooth::setConnectedDevices(
::android::status_t StreamBluetooth::transfer(void* buffer, size_t frameCount,
size_t* actualFrameCount, int32_t* latencyMs) {
std::lock_guard guard(mLock);
if (!mIsInitialized || mIsReadyToClose) {
// 'setConnectedDevices' has been called or stream is ready to close, so no transfers
if (mBtDeviceProxy == nullptr || mBtDeviceProxy->getState() == BluetoothStreamState::DISABLED) {
*actualFrameCount = 0;
*latencyMs = StreamDescriptor::LATENCY_UNKNOWN;
return ::android::OK;
}
*actualFrameCount = 0;
*latencyMs = 0;
for (auto proxy : mBtDeviceProxies) {
if (!proxy->start()) {
LOG(ERROR) << __func__ << ": state = " << proxy->getState() << " failed to start ";
return -EIO;
}
const size_t fc = std::min(frameCount, mPreferredFrameCount);
const size_t bytesToTransfer = fc * mFrameSizeBytes;
if (mIsInput) {
const size_t totalRead = proxy->readData(buffer, bytesToTransfer);
*actualFrameCount = std::max(*actualFrameCount, totalRead / mFrameSizeBytes);
} else {
const size_t totalWrite = proxy->writeData(buffer, bytesToTransfer);
*actualFrameCount = std::max(*actualFrameCount, totalWrite / mFrameSizeBytes);
}
PresentationPosition presentation_position;
if (!proxy->getPresentationPosition(presentation_position)) {
LOG(ERROR) << __func__ << ": getPresentationPosition returned error ";
return ::android::UNKNOWN_ERROR;
}
*latencyMs =
std::max(*latencyMs, (int32_t)(presentation_position.remoteDeviceAudioDelayNanos /
NANOS_PER_MILLISECOND));
if (!mBtDeviceProxy->start()) {
LOG(ERROR) << __func__ << ": state= " << mBtDeviceProxy->getState() << " failed to start";
return -EIO;
}
const size_t fc = std::min(frameCount, mPreferredFrameCount);
const size_t bytesToTransfer = fc * mFrameSizeBytes;
if (mIsInput) {
const size_t totalRead = mBtDeviceProxy->readData(buffer, bytesToTransfer);
*actualFrameCount = std::max(*actualFrameCount, totalRead / mFrameSizeBytes);
} else {
const size_t totalWrite = mBtDeviceProxy->writeData(buffer, bytesToTransfer);
*actualFrameCount = std::max(*actualFrameCount, totalWrite / mFrameSizeBytes);
}
PresentationPosition presentation_position;
if (!mBtDeviceProxy->getPresentationPosition(presentation_position)) {
presentation_position.remoteDeviceAudioDelayNanos =
kBluetoothDefaultRemoteDelayMs * NANOS_PER_MILLISECOND;
LOG(WARNING) << __func__ << ": getPresentationPosition failed, latency info is unavailable";
}
// TODO(b/317117580): incorporate logic from
// packages/modules/Bluetooth/system/audio_bluetooth_hw/stream_apis.cc
// out_calculate_feeding_delay_ms / in_calculate_starving_delay_ms
*latencyMs = std::max(*latencyMs, (int32_t)(presentation_position.remoteDeviceAudioDelayNanos /
NANOS_PER_MILLISECOND));
return ::android::OK;
}
::android::status_t StreamBluetooth::initialize() {
if (!::aidl::android::hardware::bluetooth::audio::BluetoothAudioSession::IsAidlAvailable()) {
LOG(ERROR) << __func__ << ": IBluetoothAudioProviderFactory service not available";
return ::android::UNKNOWN_ERROR;
}
if (StreamCommonImpl::getConnectedDevices().empty()) {
LOG(ERROR) << __func__ << ", has no connected devices";
return ::android::NO_INIT;
}
// unregister older proxies (if any)
for (auto proxy : mBtDeviceProxies) {
proxy->stop();
proxy->unregisterPort();
}
mBtDeviceProxies.clear();
for (auto it = StreamCommonImpl::getConnectedDevices().begin();
it != StreamCommonImpl::getConnectedDevices().end(); ++it) {
std::shared_ptr<BluetoothAudioPortAidl> proxy =
mIsInput ? std::shared_ptr<BluetoothAudioPortAidl>(
std::make_shared<BluetoothAudioPortAidlIn>())
: std::shared_ptr<BluetoothAudioPortAidl>(
std::make_shared<BluetoothAudioPortAidlOut>());
if (proxy->registerPort(it->type)) {
LOG(ERROR) << __func__ << ": cannot init HAL";
return ::android::UNKNOWN_ERROR;
}
PcmConfiguration config;
if (!proxy->loadAudioConfig(&config)) {
LOG(ERROR) << __func__ << ": state=" << proxy->getState()
<< " failed to get audio config";
return ::android::UNKNOWN_ERROR;
}
// TODO: Ensure minimum duration for spatialized output?
// WAR to support Mono / 16 bits per sample as the Bluetooth stack required
if (!mIsInput && config.channelMode == ChannelMode::MONO && config.bitsPerSample == 16) {
proxy->forcePcmStereoToMono(true);
config.channelMode = ChannelMode::STEREO;
LOG(INFO) << __func__ << ": force channels = to be AUDIO_CHANNEL_OUT_STEREO";
}
if (!checkConfigParams(config)) {
LOG(ERROR) << __func__ << " checkConfigParams failed";
return ::android::UNKNOWN_ERROR;
}
mBtDeviceProxies.push_back(std::move(proxy));
}
mIsInitialized = true;
return ::android::OK;
}
bool StreamBluetooth::checkConfigParams(
::aidl::android::hardware::bluetooth::audio::PcmConfiguration& config) {
if ((int)mSampleRate != config.sampleRateHz) {
LOG(ERROR) << __func__ << ": Sample Rate mismatch, stream val = " << mSampleRate
<< " hal val = " << config.sampleRateHz;
// static
bool StreamBluetooth::checkConfigParams(const PcmConfiguration& pcmConfig,
const AudioConfigBase& config) {
if ((int)config.sampleRate != pcmConfig.sampleRateHz) {
LOG(ERROR) << __func__ << ": sample rate mismatch, stream value=" << config.sampleRate
<< ", BT HAL value=" << pcmConfig.sampleRateHz;
return false;
}
auto channelCount = aidl::android::hardware::audio::common::getChannelCount(mChannelLayout);
if ((config.channelMode == ChannelMode::MONO && channelCount != 1) ||
(config.channelMode == ChannelMode::STEREO && channelCount != 2)) {
LOG(ERROR) << __func__ << ": Channel count mismatch, stream val = " << channelCount
<< " hal val = " << toString(config.channelMode);
const auto channelCount =
aidl::android::hardware::audio::common::getChannelCount(config.channelMask);
if ((pcmConfig.channelMode == ChannelMode::MONO && channelCount != 1) ||
(pcmConfig.channelMode == ChannelMode::STEREO && channelCount != 2)) {
LOG(ERROR) << __func__ << ": Channel count mismatch, stream value=" << channelCount
<< ", BT HAL value=" << toString(pcmConfig.channelMode);
return false;
}
if (mFormat.type != AudioFormatType::PCM) {
LOG(ERROR) << __func__ << ": unexpected format type "
<< aidl::android::media::audio::common::toString(mFormat.type);
if (config.format.type != AudioFormatType::PCM) {
LOG(ERROR) << __func__
<< ": unexpected stream format type: " << toString(config.format.type);
return false;
}
int8_t bps = aidl::android::hardware::audio::common::getPcmSampleSizeInBytes(mFormat.pcm) * 8;
if (bps != config.bitsPerSample) {
LOG(ERROR) << __func__ << ": bits per sample mismatch, stream val = " << bps
<< " hal val = " << config.bitsPerSample;
const int8_t bitsPerSample =
aidl::android::hardware::audio::common::getPcmSampleSizeInBytes(config.format.pcm) * 8;
if (bitsPerSample != pcmConfig.bitsPerSample) {
LOG(ERROR) << __func__ << ": bits per sample mismatch, stream value=" << bitsPerSample
<< ", BT HAL value=" << pcmConfig.bitsPerSample;
return false;
}
if (config.dataIntervalUs > 0) {
mPreferredDataIntervalUs =
std::min((int32_t)mPreferredDataIntervalUs, config.dataIntervalUs);
mPreferredFrameCount = frameCountFromDurationUs(mPreferredDataIntervalUs, mSampleRate);
}
return true;
}
ndk::ScopedAStatus StreamBluetooth::prepareToClose() {
std::lock_guard guard(mLock);
mIsReadyToClose = true;
if (mBtDeviceProxy != nullptr) {
if (mBtDeviceProxy->getState() != BluetoothStreamState::DISABLED) {
mBtDeviceProxy->stop();
}
}
return ndk::ScopedAStatus::ok();
}
::android::status_t StreamBluetooth::standby() {
std::lock_guard guard(mLock);
if (!mIsInitialized) {
if (auto status = initialize(); status != ::android::OK) return status;
}
for (auto proxy : mBtDeviceProxies) {
if (!proxy->suspend()) {
LOG(ERROR) << __func__ << ": state = " << proxy->getState() << " failed to stand by ";
return -EIO;
}
}
if (mBtDeviceProxy != nullptr) mBtDeviceProxy->suspend();
return ::android::OK;
}
::android::status_t StreamBluetooth::start() {
std::lock_guard guard(mLock);
if (!mIsInitialized) return initialize();
if (mBtDeviceProxy != nullptr) mBtDeviceProxy->start();
return ::android::OK;
}
void StreamBluetooth::shutdown() {
std::lock_guard guard(mLock);
for (auto proxy : mBtDeviceProxies) {
proxy->stop();
proxy->unregisterPort();
if (mBtDeviceProxy != nullptr) {
mBtDeviceProxy->stop();
mBtDeviceProxy = nullptr;
}
mBtDeviceProxies.clear();
}
ndk::ScopedAStatus StreamBluetooth::updateMetadataCommon(const Metadata& metadata) {
std::lock_guard guard(mLock);
if (!mIsInitialized) return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
if (mBtDeviceProxy == nullptr) {
return ndk::ScopedAStatus::ok();
}
bool isOk = true;
if (isInput(metadata)) {
isOk = mBtDeviceProxies[0]->updateSinkMetadata(std::get<SinkMetadata>(metadata));
isOk = mBtDeviceProxy->updateSinkMetadata(std::get<SinkMetadata>(metadata));
} else {
for (auto proxy : mBtDeviceProxies) {
if (!proxy->updateSourceMetadata(std::get<SourceMetadata>(metadata))) isOk = false;
}
isOk = mBtDeviceProxy->updateSourceMetadata(std::get<SourceMetadata>(metadata));
}
return isOk ? ndk::ScopedAStatus::ok()
: ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
@@ -280,7 +208,6 @@ ndk::ScopedAStatus StreamBluetooth::updateMetadataCommon(const Metadata& metadat
ndk::ScopedAStatus StreamBluetooth::bluetoothParametersUpdated() {
if (mIsInput) {
LOG(WARNING) << __func__ << ": not handled";
return ndk::ScopedAStatus::ok();
}
auto applyParam = [](const std::shared_ptr<BluetoothAudioPortAidl>& proxy,
@@ -297,15 +224,10 @@ ndk::ScopedAStatus StreamBluetooth::bluetoothParametersUpdated() {
bool hasLeParam, enableLe;
auto btLe = mBluetoothLe.lock();
hasLeParam = btLe != nullptr && btLe->isEnabled(&enableLe).isOk();
std::unique_lock lock(mLock);
::android::base::ScopedLockAssertion lock_assertion(mLock);
if (!mIsInitialized) {
LOG(WARNING) << __func__ << ": init not done";
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
for (auto proxy : mBtDeviceProxies) {
if ((hasA2dpParam && proxy->isA2dp() && !applyParam(proxy, enableA2dp)) ||
(hasLeParam && proxy->isLeAudio() && !applyParam(proxy, enableLe))) {
std::lock_guard guard(mLock);
if (mBtDeviceProxy != nullptr) {
if ((hasA2dpParam && mBtDeviceProxy->isA2dp() && !applyParam(mBtDeviceProxy, enableA2dp)) ||
(hasLeParam && mBtDeviceProxy->isLeAudio() && !applyParam(mBtDeviceProxy, enableLe))) {
LOG(DEBUG) << __func__ << ": applyParam failed";
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
@@ -313,11 +235,20 @@ ndk::ScopedAStatus StreamBluetooth::bluetoothParametersUpdated() {
return ndk::ScopedAStatus::ok();
}
// static
int32_t StreamInBluetooth::getNominalLatencyMs(size_t dataIntervalUs) {
if (dataIntervalUs == 0) dataIntervalUs = kBluetoothDefaultInputBufferMs * 1000LL;
return dataIntervalUs / 1000LL;
}
StreamInBluetooth::StreamInBluetooth(StreamContext&& context, const SinkMetadata& sinkMetadata,
const std::vector<MicrophoneInfo>& microphones,
ModuleBluetooth::BtProfileHandles&& btProfileHandles)
ModuleBluetooth::BtProfileHandles&& btProfileHandles,
const std::shared_ptr<BluetoothAudioPortAidl>& btDeviceProxy,
const PcmConfiguration& pcmConfig)
: StreamIn(std::move(context), microphones),
StreamBluetooth(&mContextInstance, sinkMetadata, std::move(btProfileHandles)) {}
StreamBluetooth(&mContextInstance, sinkMetadata, std::move(btProfileHandles), btDeviceProxy,
pcmConfig) {}
ndk::ScopedAStatus StreamInBluetooth::getActiveMicrophones(
std::vector<MicrophoneDynamicInfo>* _aidl_return __unused) {
@@ -325,11 +256,20 @@ ndk::ScopedAStatus StreamInBluetooth::getActiveMicrophones(
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
}
// static
int32_t StreamOutBluetooth::getNominalLatencyMs(size_t dataIntervalUs) {
if (dataIntervalUs == 0) dataIntervalUs = kBluetoothDefaultOutputBufferMs * 1000LL;
return dataIntervalUs / 1000LL;
}
StreamOutBluetooth::StreamOutBluetooth(StreamContext&& context,
const SourceMetadata& sourceMetadata,
const std::optional<AudioOffloadInfo>& offloadInfo,
ModuleBluetooth::BtProfileHandles&& btProfileHandles)
ModuleBluetooth::BtProfileHandles&& btProfileHandles,
const std::shared_ptr<BluetoothAudioPortAidl>& btDeviceProxy,
const PcmConfiguration& pcmConfig)
: StreamOut(std::move(context), offloadInfo),
StreamBluetooth(&mContextInstance, sourceMetadata, std::move(btProfileHandles)) {}
StreamBluetooth(&mContextInstance, sourceMetadata, std::move(btProfileHandles), btDeviceProxy,
pcmConfig) {}
} // namespace aidl::android::hardware::audio::core

View File

@@ -73,12 +73,7 @@ class BluetoothAudioPort {
* Bluetooth stack
*/
virtual bool loadAudioConfig(
::aidl::android::hardware::bluetooth::audio::PcmConfiguration*) const = 0;
/**
* WAR to support Mono mode / 16 bits per sample
*/
virtual void forcePcmStereoToMono(bool) = 0;
::aidl::android::hardware::bluetooth::audio::PcmConfiguration&) = 0;
/**
* When the Audio framework / HAL wants to change the stream state, it invokes
@@ -145,7 +140,7 @@ class BluetoothAudioPort {
virtual bool isLeAudio() const = 0;
virtual bool getPreferredDataIntervalUs(size_t*) const = 0;
virtual bool getPreferredDataIntervalUs(size_t&) const = 0;
virtual size_t writeData(const void*, size_t) const { return 0; }
@@ -162,10 +157,8 @@ class BluetoothAudioPortAidl : public BluetoothAudioPort {
void unregisterPort() override;
bool loadAudioConfig(::aidl::android::hardware::bluetooth::audio::PcmConfiguration* audio_cfg)
const override;
void forcePcmStereoToMono(bool force) override { mIsStereoToMono = force; }
bool loadAudioConfig(
::aidl::android::hardware::bluetooth::audio::PcmConfiguration& audio_cfg) override;
bool standby() override;
bool start() override;
@@ -193,7 +186,7 @@ class BluetoothAudioPortAidl : public BluetoothAudioPort {
bool isLeAudio() const override;
bool getPreferredDataIntervalUs(size_t* interval_us) const override;
bool getPreferredDataIntervalUs(size_t& interval_us) const override;
protected:
uint16_t mCookie;
@@ -228,6 +221,9 @@ class BluetoothAudioPortAidl : public BluetoothAudioPort {
class BluetoothAudioPortAidlOut : public BluetoothAudioPortAidl {
public:
bool loadAudioConfig(
::aidl::android::hardware::bluetooth::audio::PcmConfiguration& audio_cfg) override;
// The audio data path to the Bluetooth stack (Software encoding)
size_t writeData(const void* buffer, size_t bytes) const override;
};

View File

@@ -16,7 +16,10 @@
#pragma once
#include <map>
#include "core-impl/Bluetooth.h"
#include "core-impl/DevicePortProxy.h"
#include "core-impl/Module.h"
namespace aidl::android::hardware::audio::core {
@@ -31,6 +34,11 @@ class ModuleBluetooth final : public Module {
ModuleBluetooth(std::unique_ptr<Configuration>&& config);
private:
struct CachedProxy {
std::shared_ptr<::android::bluetooth::audio::aidl::BluetoothAudioPortAidl> ptr;
::aidl::android::hardware::bluetooth::audio::PcmConfiguration pcmConfig;
};
ChildInterface<BluetoothA2dp>& getBtA2dp();
ChildInterface<BluetoothLe>& getBtLe();
BtProfileHandles getBtProfileManagerHandles();
@@ -40,6 +48,17 @@ class ModuleBluetooth final : public Module {
ndk::ScopedAStatus getMicMute(bool* _aidl_return) override;
ndk::ScopedAStatus setMicMute(bool in_mute) override;
ndk::ScopedAStatus setAudioPortConfig(
const ::aidl::android::media::audio::common::AudioPortConfig& in_requested,
::aidl::android::media::audio::common::AudioPortConfig* out_suggested,
bool* _aidl_return) override;
ndk::ScopedAStatus checkAudioPatchEndpointsMatch(
const std::vector<::aidl::android::media::audio::common::AudioPortConfig*>& sources,
const std::vector<::aidl::android::media::audio::common::AudioPortConfig*>& sinks)
override;
void onExternalDeviceConnectionChanged(
const ::aidl::android::media::audio::common::AudioPort& audioPort, bool connected);
ndk::ScopedAStatus createInputStream(
StreamContext&& context,
const ::aidl::android::hardware::audio::common::SinkMetadata& sinkMetadata,
@@ -56,9 +75,20 @@ class ModuleBluetooth final : public Module {
int32_t nextPortId) override;
ndk::ScopedAStatus onMasterMuteChanged(bool mute) override;
ndk::ScopedAStatus onMasterVolumeChanged(float volume) override;
int32_t getNominalLatencyMs(
const ::aidl::android::media::audio::common::AudioPortConfig& portConfig) override;
ndk::ScopedAStatus createProxy(
const ::aidl::android::media::audio::common::AudioPort& audioPort,
int32_t instancePortId, CachedProxy& proxy);
ndk::ScopedAStatus fetchAndCheckProxy(const StreamContext& context, CachedProxy& proxy);
ndk::ScopedAStatus findOrCreateProxy(
const ::aidl::android::media::audio::common::AudioPort& audioPort, CachedProxy& proxy);
ChildInterface<BluetoothA2dp> mBluetoothA2dp;
ChildInterface<BluetoothLe> mBluetoothLe;
std::map<int32_t /*instantiated device port ID*/, CachedProxy> mProxies;
std::map<int32_t /*mix port handle*/, int32_t /*instantiated device port ID*/> mConnections;
};
} // namespace aidl::android::hardware::audio::core

View File

@@ -31,8 +31,16 @@ namespace aidl::android::hardware::audio::core {
class StreamBluetooth : public StreamCommonImpl {
public:
StreamBluetooth(StreamContext* context, const Metadata& metadata,
ModuleBluetooth::BtProfileHandles&& btHandles);
static bool checkConfigParams(
const ::aidl::android::hardware::bluetooth::audio::PcmConfiguration& pcmConfig,
const ::aidl::android::media::audio::common::AudioConfigBase& config);
StreamBluetooth(
StreamContext* context, const Metadata& metadata,
ModuleBluetooth::BtProfileHandles&& btHandles,
const std::shared_ptr<::android::bluetooth::audio::aidl::BluetoothAudioPortAidl>&
btDeviceProxy,
const ::aidl::android::hardware::bluetooth::audio::PcmConfiguration& pcmConfig);
// Methods of 'DriverInterface'.
::android::status_t init() override;
::android::status_t drain(StreamDescriptor::DrainMode) override;
@@ -47,40 +55,35 @@ class StreamBluetooth : public StreamCommonImpl {
// Overridden methods of 'StreamCommonImpl', called on a Binder thread.
ndk::ScopedAStatus updateMetadataCommon(const Metadata& metadata) override;
ndk::ScopedAStatus prepareToClose() override;
const ConnectedDevices& getConnectedDevices() const override;
ndk::ScopedAStatus setConnectedDevices(const ConnectedDevices& devices) override;
ndk::ScopedAStatus bluetoothParametersUpdated() override;
private:
// Audio Pcm Config
const uint32_t mSampleRate;
const ::aidl::android::media::audio::common::AudioChannelLayout mChannelLayout;
const ::aidl::android::media::audio::common::AudioFormatDescription mFormat;
const size_t mFrameSizeBytes;
const bool mIsInput;
const std::weak_ptr<IBluetoothA2dp> mBluetoothA2dp;
const std::weak_ptr<IBluetoothLe> mBluetoothLe;
size_t mPreferredDataIntervalUs;
size_t mPreferredFrameCount;
const size_t mPreferredDataIntervalUs;
const size_t mPreferredFrameCount;
mutable std::mutex mLock;
bool mIsInitialized GUARDED_BY(mLock);
bool mIsReadyToClose GUARDED_BY(mLock);
std::vector<std::shared_ptr<::android::bluetooth::audio::aidl::BluetoothAudioPortAidl>>
mBtDeviceProxies GUARDED_BY(mLock);
::android::status_t initialize() REQUIRES(mLock);
bool checkConfigParams(::aidl::android::hardware::bluetooth::audio::PcmConfiguration& config);
// The lock is also used to serialize calls to the proxy.
std::shared_ptr<::android::bluetooth::audio::aidl::BluetoothAudioPortAidl> mBtDeviceProxy
GUARDED_BY(mLock); // proxy may be null if the stream is not connected to a device
};
class StreamInBluetooth final : public StreamIn, public StreamBluetooth {
public:
friend class ndk::SharedRefBase;
static int32_t getNominalLatencyMs(size_t dataIntervalUs);
StreamInBluetooth(
StreamContext&& context,
const ::aidl::android::hardware::audio::common::SinkMetadata& sinkMetadata,
const std::vector<::aidl::android::media::audio::common::MicrophoneInfo>& microphones,
ModuleBluetooth::BtProfileHandles&& btHandles);
ModuleBluetooth::BtProfileHandles&& btHandles,
const std::shared_ptr<::android::bluetooth::audio::aidl::BluetoothAudioPortAidl>&
btDeviceProxy,
const ::aidl::android::hardware::bluetooth::audio::PcmConfiguration& pcmConfig);
private:
void onClose(StreamDescriptor::State) override { defaultOnClose(); }
@@ -92,12 +95,18 @@ class StreamInBluetooth final : public StreamIn, public StreamBluetooth {
class StreamOutBluetooth final : public StreamOut, public StreamBluetooth {
public:
friend class ndk::SharedRefBase;
static int32_t getNominalLatencyMs(size_t dataIntervalUs);
StreamOutBluetooth(
StreamContext&& context,
const ::aidl::android::hardware::audio::common::SourceMetadata& sourceMetadata,
const std::optional<::aidl::android::media::audio::common::AudioOffloadInfo>&
offloadInfo,
ModuleBluetooth::BtProfileHandles&& btHandles);
ModuleBluetooth::BtProfileHandles&& btHandles,
const std::shared_ptr<::android::bluetooth::audio::aidl::BluetoothAudioPortAidl>&
btDeviceProxy,
const ::aidl::android::hardware::bluetooth::audio::PcmConfiguration& pcmConfig);
private:
void onClose(StreamDescriptor::State) override { defaultOnClose(); }

View File

@@ -500,14 +500,12 @@ bool BluetoothAudioSession::GetPresentationPosition(
<< " has NO session";
return false;
}
bool retval = false;
if (!stack_iface_->getPresentationPosition(&presentation_position).isOk()) {
LOG(WARNING) << __func__ << " - IBluetoothAudioPort SessionType="
<< toString(session_type_) << " failed";
return false;
}
return retval;
return true;
}
void BluetoothAudioSession::UpdateSourceMetadata(