device_phh_treble/bluetooth/audio/hw/device_port_proxy.cc

618 lines
24 KiB
C++

/*
* 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_TAG "BTAudioHalDeviceProxyAIDL"
#include "device_port_proxy.h"
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
#include <audio_utils/primitives.h>
#include <inttypes.h>
#include <log/log.h>
#include <stdlib.h>
#include "BluetoothAudioSessionControl.h"
#include "stream_apis.h"
#include "utils.h"
namespace android {
namespace bluetooth {
namespace audio {
namespace aidl {
using ::aidl::android::hardware::bluetooth::audio::AudioConfiguration;
using ::aidl::android::hardware::bluetooth::audio::BluetoothAudioSessionControl;
using ::aidl::android::hardware::bluetooth::audio::ChannelMode;
using ::aidl::android::hardware::bluetooth::audio::PcmConfiguration;
using ::aidl::android::hardware::bluetooth::audio::PortStatusCallbacks;
using ::aidl::android::hardware::bluetooth::audio::PresentationPosition;
using ::android::base::StringPrintf;
using ControlResultCallback = std::function<void(
uint16_t cookie, bool start_resp, const BluetoothAudioStatus& status)>;
using SessionChangedCallback = std::function<void(uint16_t cookie)>;
namespace {
audio_channel_mask_t OutputChannelModeToAudioFormat(ChannelMode channel_mode) {
switch (channel_mode) {
case ChannelMode::MONO:
return AUDIO_CHANNEL_OUT_MONO;
case ChannelMode::STEREO:
return AUDIO_CHANNEL_OUT_STEREO;
default:
return kBluetoothDefaultOutputChannelModeMask;
}
}
audio_channel_mask_t InputChannelModeToAudioFormat(ChannelMode channel_mode) {
switch (channel_mode) {
case ChannelMode::MONO:
return AUDIO_CHANNEL_IN_MONO;
case ChannelMode::STEREO:
return AUDIO_CHANNEL_IN_STEREO;
default:
return kBluetoothDefaultInputChannelModeMask;
}
}
audio_format_t BitsPerSampleToAudioFormat(uint8_t bits_per_sample,
const SessionType& session_type) {
switch (bits_per_sample) {
case 16:
return AUDIO_FORMAT_PCM_16_BIT;
case 24:
/* Now we use knowledge that Classic sessions used packed, and LE Audio
* LC3 encoder uses unpacked as input. This should be passed as parameter
* from BT stack through AIDL, but it would require new interface version,
* so sticking with this workaround for now. */
if (session_type ==
SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH ||
session_type == SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH) {
return AUDIO_FORMAT_PCM_24_BIT_PACKED;
} else {
return AUDIO_FORMAT_PCM_8_24_BIT;
}
case 32:
return AUDIO_FORMAT_PCM_32_BIT;
default:
return kBluetoothDefaultAudioFormatBitsPerSample;
}
}
// The maximum time to wait in std::condition_variable::wait_for()
constexpr unsigned int kMaxWaitingTimeMs = 4500;
} // namespace
BluetoothAudioPortAidl::BluetoothAudioPortAidl()
: cookie_(::aidl::android::hardware::bluetooth::audio::
kObserversCookieUndefined),
state_(BluetoothStreamState::DISABLED),
session_type_(SessionType::UNKNOWN) {}
BluetoothAudioPortAidlOut::~BluetoothAudioPortAidlOut() {
if (in_use()) TearDown();
}
BluetoothAudioPortAidlIn::~BluetoothAudioPortAidlIn() {
if (in_use()) TearDown();
}
bool BluetoothAudioPortAidl::SetUp(audio_devices_t devices) {
if (!init_session_type(devices)) return false;
state_ = BluetoothStreamState::STANDBY;
auto control_result_cb = [port = this](uint16_t cookie, bool start_resp,
const BluetoothAudioStatus& status) {
if (!port->in_use()) {
LOG(ERROR) << "control_result_cb: BluetoothAudioPortAidl is not in use";
return;
}
if (port->cookie_ != cookie) {
LOG(ERROR) << "control_result_cb: proxy of device port (cookie="
<< StringPrintf("%#hx", cookie) << ") is corrupted";
return;
}
port->ControlResultHandler(status);
};
auto session_changed_cb = [port = this](uint16_t cookie) {
if (!port->in_use()) {
LOG(ERROR) << "session_changed_cb: BluetoothAudioPortAidl is not in use";
return;
}
if (port->cookie_ != cookie) {
LOG(ERROR) << "session_changed_cb: proxy of device port (cookie="
<< StringPrintf("%#hx", cookie) << ") is corrupted";
return;
}
port->SessionChangedHandler();
};
// TODO: Add audio_config_changed_cb
PortStatusCallbacks cbacks = {
.control_result_cb_ = control_result_cb,
.session_changed_cb_ = session_changed_cb,
};
cookie_ = BluetoothAudioSessionControl::RegisterControlResultCback(
session_type_, cbacks);
LOG(INFO) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_);
return (
cookie_ !=
::aidl::android::hardware::bluetooth::audio::kObserversCookieUndefined);
}
bool BluetoothAudioPortAidl::init_session_type(audio_devices_t device) {
switch (device) {
case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
LOG(VERBOSE)
<< __func__
<< ": device=AUDIO_DEVICE_OUT_BLUETOOTH_A2DP (HEADPHONES/SPEAKER) ("
<< StringPrintf("%#x", device) << ")";
session_type_ = SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH;
break;
case AUDIO_DEVICE_OUT_HEARING_AID:
LOG(VERBOSE) << __func__
<< ": device=AUDIO_DEVICE_OUT_HEARING_AID (MEDIA/VOICE) ("
<< StringPrintf("%#x", device) << ")";
session_type_ = SessionType::HEARING_AID_SOFTWARE_ENCODING_DATAPATH;
break;
case AUDIO_DEVICE_OUT_BLE_HEADSET:
LOG(VERBOSE) << __func__
<< ": device=AUDIO_DEVICE_OUT_BLE_HEADSET (MEDIA/VOICE) ("
<< StringPrintf("%#x", device) << ")";
session_type_ = SessionType::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH;
break;
case AUDIO_DEVICE_OUT_BLE_SPEAKER:
LOG(VERBOSE) << __func__
<< ": device=AUDIO_DEVICE_OUT_BLE_SPEAKER (MEDIA) ("
<< StringPrintf("%#x", device) << ")";
session_type_ = SessionType::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH;
break;
case AUDIO_DEVICE_IN_BLE_HEADSET:
LOG(VERBOSE) << __func__
<< ": device=AUDIO_DEVICE_IN_BLE_HEADSET (VOICE) ("
<< StringPrintf("%#x", device) << ")";
session_type_ = SessionType::LE_AUDIO_SOFTWARE_DECODING_DATAPATH;
break;
case AUDIO_DEVICE_OUT_BLE_BROADCAST:
LOG(VERBOSE) << __func__
<< ": device=AUDIO_DEVICE_OUT_BLE_BROADCAST (MEDIA) ("
<< StringPrintf("%#x", device) << ")";
session_type_ =
SessionType::LE_AUDIO_BROADCAST_SOFTWARE_ENCODING_DATAPATH;
break;
default:
LOG(ERROR) << __func__
<< ": unknown device=" << StringPrintf("%#x", device);
return false;
}
if (!BluetoothAudioSessionControl::IsSessionReady(session_type_)) {
LOG(ERROR) << __func__ << ": device=" << StringPrintf("%#x", device)
<< ", session_type=" << toString(session_type_)
<< " is not ready";
return false;
}
return true;
}
void BluetoothAudioPortAidl::TearDown() {
if (!in_use()) {
LOG(ERROR) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< " unknown monitor";
return;
}
LOG(INFO) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_);
BluetoothAudioSessionControl::UnregisterControlResultCback(session_type_,
cookie_);
cookie_ =
::aidl::android::hardware::bluetooth::audio::kObserversCookieUndefined;
}
void BluetoothAudioPortAidl::ControlResultHandler(
const BluetoothAudioStatus& status) {
if (!in_use()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidlis not in use";
return;
}
std::unique_lock<std::mutex> port_lock(cv_mutex_);
BluetoothStreamState previous_state = state_;
LOG(INFO) << "control_result_cb: session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", previous_state=" << previous_state
<< ", status=" << toString(status);
switch (previous_state) {
case BluetoothStreamState::STARTED:
/* Only Suspend signal can be send in STARTED state*/
if (status == BluetoothAudioStatus::RECONFIGURATION ||
status == BluetoothAudioStatus::SUCCESS) {
state_ = BluetoothStreamState::STANDBY;
} else {
// Set to standby since the stack may be busy switching between outputs
LOG(WARNING) << "control_result_cb: status=" << toString(status)
<< " failure for session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", previous_state=" << previous_state;
}
break;
case BluetoothStreamState::STARTING:
if (status == BluetoothAudioStatus::SUCCESS) {
state_ = BluetoothStreamState::STARTED;
} else {
// Set to standby since the stack may be busy switching between outputs
LOG(WARNING) << "control_result_cb: status=" << toString(status)
<< " failure for session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", previous_state=" << previous_state;
state_ = BluetoothStreamState::STANDBY;
}
break;
case BluetoothStreamState::SUSPENDING:
if (status == BluetoothAudioStatus::SUCCESS) {
state_ = BluetoothStreamState::STANDBY;
} else {
// It will be failed if the headset is disconnecting, and set to disable
// to wait for re-init again
LOG(WARNING) << "control_result_cb: status=" << toString(status)
<< " failure for session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", previous_state=" << previous_state;
state_ = BluetoothStreamState::DISABLED;
}
break;
default:
LOG(ERROR) << "control_result_cb: unexpected status=" << toString(status)
<< " for session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", previous_state=" << previous_state;
return;
}
port_lock.unlock();
internal_cv_.notify_all();
}
void BluetoothAudioPortAidl::SessionChangedHandler() {
if (!in_use()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";
return;
}
std::unique_lock<std::mutex> port_lock(cv_mutex_);
BluetoothStreamState previous_state = state_;
LOG(INFO) << "session_changed_cb: session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", previous_state=" << previous_state;
state_ = BluetoothStreamState::DISABLED;
port_lock.unlock();
internal_cv_.notify_all();
}
bool BluetoothAudioPortAidl::in_use() const {
return (
cookie_ !=
::aidl::android::hardware::bluetooth::audio::kObserversCookieUndefined);
}
bool BluetoothAudioPortAidl::GetPreferredDataIntervalUs(
size_t* interval_us) const {
if (!in_use()) {
return false;
}
const AudioConfiguration& hal_audio_cfg =
BluetoothAudioSessionControl::GetAudioConfig(session_type_);
if (hal_audio_cfg.getTag() != AudioConfiguration::pcmConfig) {
return false;
}
const PcmConfiguration& pcm_cfg =
hal_audio_cfg.get<AudioConfiguration::pcmConfig>();
*interval_us = pcm_cfg.dataIntervalUs;
return true;
}
bool BluetoothAudioPortAidlOut::LoadAudioConfig(
audio_config_t* audio_cfg) const {
if (!in_use()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidlOut is not in use";
audio_cfg->sample_rate = kBluetoothDefaultSampleRate;
audio_cfg->channel_mask = kBluetoothDefaultOutputChannelModeMask;
audio_cfg->format = kBluetoothDefaultAudioFormatBitsPerSample;
return false;
}
const AudioConfiguration& hal_audio_cfg =
BluetoothAudioSessionControl::GetAudioConfig(session_type_);
if (hal_audio_cfg.getTag() != AudioConfiguration::pcmConfig) {
audio_cfg->sample_rate = kBluetoothDefaultSampleRate;
audio_cfg->channel_mask = kBluetoothDefaultOutputChannelModeMask;
audio_cfg->format = kBluetoothDefaultAudioFormatBitsPerSample;
return false;
}
const PcmConfiguration& pcm_cfg =
hal_audio_cfg.get<AudioConfiguration::pcmConfig>();
LOG(VERBOSE) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << ", PcmConfig=[" << pcm_cfg.toString()
<< "]";
if (pcm_cfg.channelMode == ChannelMode::UNKNOWN) {
return false;
}
audio_cfg->sample_rate = pcm_cfg.sampleRateHz;
audio_cfg->channel_mask =
(is_stereo_to_mono_
? AUDIO_CHANNEL_OUT_STEREO
: OutputChannelModeToAudioFormat(pcm_cfg.channelMode));
audio_cfg->format =
BitsPerSampleToAudioFormat(pcm_cfg.bitsPerSample, session_type_);
return true;
}
bool BluetoothAudioPortAidlIn::LoadAudioConfig(
audio_config_t* audio_cfg) const {
if (!in_use()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidlIn is not in use";
audio_cfg->sample_rate = kBluetoothDefaultSampleRate;
audio_cfg->channel_mask = kBluetoothDefaultInputChannelModeMask;
audio_cfg->format = kBluetoothDefaultAudioFormatBitsPerSample;
return false;
}
const AudioConfiguration& hal_audio_cfg =
BluetoothAudioSessionControl::GetAudioConfig(session_type_);
if (hal_audio_cfg.getTag() != AudioConfiguration::pcmConfig) {
audio_cfg->sample_rate = kBluetoothDefaultSampleRate;
audio_cfg->channel_mask = kBluetoothDefaultInputChannelModeMask;
audio_cfg->format = kBluetoothDefaultAudioFormatBitsPerSample;
return false;
}
const PcmConfiguration& pcm_cfg =
hal_audio_cfg.get<AudioConfiguration::pcmConfig>();
LOG(VERBOSE) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << ", PcmConfig=[" << pcm_cfg.toString()
<< "]";
if (pcm_cfg.channelMode == ChannelMode::UNKNOWN) {
return false;
}
audio_cfg->sample_rate = pcm_cfg.sampleRateHz;
audio_cfg->channel_mask = InputChannelModeToAudioFormat(pcm_cfg.channelMode);
audio_cfg->format =
BitsPerSampleToAudioFormat(pcm_cfg.bitsPerSample, session_type_);
return true;
}
bool BluetoothAudioPortAidl::CondwaitState(BluetoothStreamState state) {
bool retval;
std::unique_lock<std::mutex> port_lock(cv_mutex_);
switch (state) {
case BluetoothStreamState::STARTING:
LOG(VERBOSE) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< " waiting for STARTED";
retval = internal_cv_.wait_for(
port_lock, std::chrono::milliseconds(kMaxWaitingTimeMs),
[this] { return this->state_ != BluetoothStreamState::STARTING; });
retval = retval && state_ == BluetoothStreamState::STARTED;
break;
case BluetoothStreamState::SUSPENDING:
LOG(VERBOSE) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< " waiting for SUSPENDED";
retval = internal_cv_.wait_for(
port_lock, std::chrono::milliseconds(kMaxWaitingTimeMs),
[this] { return this->state_ != BluetoothStreamState::SUSPENDING; });
retval = retval && state_ == BluetoothStreamState::STANDBY;
break;
default:
LOG(WARNING) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< " waiting for KNOWN";
return false;
}
return retval; // false if any failure like timeout
}
bool BluetoothAudioPortAidl::Start() {
if (!in_use()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";
return false;
}
LOG(INFO) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_
<< ", mono=" << (is_stereo_to_mono_ ? "true" : "false")
<< " request";
bool retval = false;
if (state_ == BluetoothStreamState::STANDBY) {
state_ = BluetoothStreamState::STARTING;
if (BluetoothAudioSessionControl::StartStream(session_type_)) {
retval = CondwaitState(BluetoothStreamState::STARTING);
} else {
LOG(ERROR) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << " Hal fails";
}
}
if (retval) {
LOG(INFO) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_
<< ", mono=" << (is_stereo_to_mono_ ? "true" : "false")
<< " done";
} else {
LOG(ERROR) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << " failure";
}
return retval; // false if any failure like timeout
}
bool BluetoothAudioPortAidl::Suspend() {
if (!in_use()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";
return false;
}
LOG(INFO) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << " request";
bool retval = false;
if (state_ == BluetoothStreamState::STARTED) {
state_ = BluetoothStreamState::SUSPENDING;
if (BluetoothAudioSessionControl::SuspendStream(session_type_)) {
retval = CondwaitState(BluetoothStreamState::SUSPENDING);
} else {
LOG(ERROR) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << " Hal fails";
}
}
if (retval) {
LOG(INFO) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << " done";
} else {
LOG(ERROR) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << " failure";
}
return retval; // false if any failure like timeout
}
void BluetoothAudioPortAidl::Stop() {
if (!in_use()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";
return;
}
LOG(INFO) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << " request";
state_ = BluetoothStreamState::DISABLED;
BluetoothAudioSessionControl::StopStream(session_type_);
LOG(INFO) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << " done";
}
size_t BluetoothAudioPortAidlOut::WriteData(const void* buffer,
size_t bytes) const {
if (!in_use()) return 0;
if (!is_stereo_to_mono_) {
return BluetoothAudioSessionControl::OutWritePcmData(session_type_, buffer,
bytes);
}
// WAR to mix the stereo into Mono (16 bits per sample)
const size_t write_frames = bytes >> 2;
if (write_frames == 0) return 0;
auto src = static_cast<const int16_t*>(buffer);
std::unique_ptr<int16_t[]> dst{new int16_t[write_frames]};
downmix_to_mono_i16_from_stereo_i16(dst.get(), src, write_frames);
// a frame is 16 bits, and the size of a mono frame is equal to half a stereo.
return BluetoothAudioSessionControl::OutWritePcmData(session_type_, dst.get(),
write_frames * 2) *
2;
}
size_t BluetoothAudioPortAidlIn::ReadData(void* buffer, size_t bytes) const {
if (!in_use()) return 0;
return BluetoothAudioSessionControl::InReadPcmData(session_type_, buffer,
bytes);
}
bool BluetoothAudioPortAidl::GetPresentationPosition(
uint64_t* delay_ns, uint64_t* bytes, timespec* timestamp) const {
if (!in_use()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";
return false;
}
PresentationPosition presentation_position;
bool retval = BluetoothAudioSessionControl::GetPresentationPosition(
session_type_, presentation_position);
*delay_ns = presentation_position.remoteDeviceAudioDelayNanos;
*bytes = presentation_position.transmittedOctets;
*timestamp = {.tv_sec = static_cast<__kernel_old_time_t>(
presentation_position.transmittedOctetsTimestamp.tvSec),
.tv_nsec = static_cast<long>(
presentation_position.transmittedOctetsTimestamp.tvNSec)};
LOG(VERBOSE) << __func__
<< ": session_type=" << StringPrintf("%#hhx", session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << ", delay=" << *delay_ns
<< "ns, data=" << *bytes
<< " bytes, timestamp=" << timestamp->tv_sec << "."
<< StringPrintf("%09ld", timestamp->tv_nsec) << "s";
return retval;
}
void BluetoothAudioPortAidl::UpdateSourceMetadata(
const source_metadata* source_metadata) const {
if (!in_use()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";
return;
}
LOG(DEBUG) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << ", " << source_metadata->track_count
<< " track(s)";
if (source_metadata->track_count == 0) return;
BluetoothAudioSessionControl::UpdateSourceMetadata(session_type_,
*source_metadata);
}
void BluetoothAudioPortAidl::UpdateSinkMetadata(
const sink_metadata* sink_metadata) const {
if (!in_use()) {
LOG(ERROR) << __func__ << ": BluetoothAudioPortAidl is not in use";
return;
}
LOG(DEBUG) << __func__ << ": session_type=" << toString(session_type_)
<< ", cookie=" << StringPrintf("%#hx", cookie_)
<< ", state=" << state_ << ", " << sink_metadata->track_count
<< " track(s)";
if (sink_metadata->track_count == 0) return;
BluetoothAudioSessionControl::UpdateSinkMetadata(session_type_,
*sink_metadata);
}
BluetoothStreamState BluetoothAudioPortAidl::GetState() const { return state_; }
void BluetoothAudioPortAidl::SetState(BluetoothStreamState state) {
state_ = state;
}
} // namespace aidl
} // namespace audio
} // namespace bluetooth
} // namespace android