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/*
* 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.
*/
#include "bluetooth_audio_port_impl.h"
#include "btif/include/btif_common.h"
#include "common/stop_watch_legacy.h"
namespace bluetooth {
namespace audio {
namespace aidl {
using ::bluetooth::common::StopWatchLegacy;
BluetoothAudioPortImpl::BluetoothAudioPortImpl(
IBluetoothTransportInstance* transport_instance,
const std::shared_ptr<IBluetoothAudioProvider>& provider)
: transport_instance_(transport_instance), provider_(provider) {}
BluetoothAudioPortImpl::~BluetoothAudioPortImpl() {}
ndk::ScopedAStatus BluetoothAudioPortImpl::startStream(bool is_low_latency) {
StopWatchLegacy stop_watch(__func__);
BluetoothAudioCtrlAck ack = transport_instance_->StartRequest(is_low_latency);
if (ack != BluetoothAudioCtrlAck::PENDING) {
auto aidl_retval =
provider_->streamStarted(BluetoothAudioCtrlAckToHalStatus(ack));
if (!aidl_retval.isOk()) {
LOG(ERROR) << __func__ << ": BluetoothAudioHal failure: "
<< aidl_retval.getDescription();
}
}
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus BluetoothAudioPortImpl::suspendStream() {
StopWatchLegacy stop_watch(__func__);
BluetoothAudioCtrlAck ack = transport_instance_->SuspendRequest();
if (ack != BluetoothAudioCtrlAck::PENDING) {
auto aidl_retval =
provider_->streamSuspended(BluetoothAudioCtrlAckToHalStatus(ack));
if (!aidl_retval.isOk()) {
LOG(ERROR) << __func__ << ": BluetoothAudioHal failure: "
<< aidl_retval.getDescription();
}
}
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus BluetoothAudioPortImpl::stopStream() {
StopWatchLegacy stop_watch(__func__);
transport_instance_->StopRequest();
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus BluetoothAudioPortImpl::getPresentationPosition(
PresentationPosition* _aidl_return) {
StopWatchLegacy stop_watch(__func__);
uint64_t remote_delay_report_ns;
uint64_t total_bytes_read;
timespec data_position;
bool retval = transport_instance_->GetPresentationPosition(
&remote_delay_report_ns, &total_bytes_read, &data_position);
PresentationPosition::TimeSpec transmittedOctetsTimeStamp;
if (retval) {
transmittedOctetsTimeStamp = timespec_convert_to_hal(data_position);
} else {
remote_delay_report_ns = 0;
total_bytes_read = 0;
transmittedOctetsTimeStamp = {};
}
VLOG(2) << __func__ << ": result=" << retval
<< ", delay=" << remote_delay_report_ns
<< ", data=" << total_bytes_read
<< " byte(s), timestamp=" << transmittedOctetsTimeStamp.toString();
_aidl_return->remoteDeviceAudioDelayNanos =
static_cast<int64_t>(remote_delay_report_ns);
_aidl_return->transmittedOctets = static_cast<int64_t>(total_bytes_read);
_aidl_return->transmittedOctetsTimestamp = transmittedOctetsTimeStamp;
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus BluetoothAudioPortImpl::updateSourceMetadata(
const SourceMetadata& source_metadata) {
StopWatchLegacy stop_watch(__func__);
LOG(INFO) << __func__ << ": " << source_metadata.tracks.size() << "track(s)";
std::vector<playback_track_metadata> metadata_vec;
metadata_vec.reserve(source_metadata.tracks.size());
for (const auto& metadata : source_metadata.tracks) {
metadata_vec.push_back({
.usage = static_cast<audio_usage_t>(metadata.usage),
.content_type = static_cast<audio_content_type_t>(metadata.contentType),
.gain = metadata.gain,
});
}
const source_metadata_t legacy_source_metadata = {
.track_count = metadata_vec.size(), .tracks = metadata_vec.data()};
transport_instance_->SourceMetadataChanged(legacy_source_metadata);
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus BluetoothAudioPortImpl::updateSinkMetadata(
const SinkMetadata& sink_metadata) {
StopWatchLegacy stop_watch(__func__);
LOG(INFO) << __func__ << ": " << sink_metadata.tracks.size() << " track(s)";
std::vector<record_track_metadata> metadata_vec;
metadata_vec.reserve(sink_metadata.tracks.size());
for (const auto& metadata : sink_metadata.tracks) {
metadata_vec.push_back({
.source = static_cast<audio_source_t>(metadata.source),
.gain = metadata.gain,
});
}
const sink_metadata_t legacy_sink_metadata = {
.track_count = metadata_vec.size(), .tracks = metadata_vec.data()};
transport_instance_->SinkMetadataChanged(legacy_sink_metadata);
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus BluetoothAudioPortImpl::setLatencyMode(
LatencyMode latency_mode) {
bool is_low_latency = latency_mode == LatencyMode::LOW_LATENCY ? true : false;
invoke_switch_buffer_size_cb(is_low_latency);
transport_instance_->SetLowLatency(is_low_latency);
return ndk::ScopedAStatus::ok();
}
PresentationPosition::TimeSpec BluetoothAudioPortImpl::timespec_convert_to_hal(
const timespec& ts) {
return {.tvSec = static_cast<int64_t>(ts.tv_sec),
.tvNSec = static_cast<int64_t>(ts.tv_nsec)};
}
} // namespace aidl
} // namespace audio
} // namespace bluetooth
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