mirror of
https://github.com/Evolution-X/hardware_interfaces
synced 2026-02-01 11:36:00 +00:00
79c02160ef
1. Clean up the LE offlload path for HIDL 2.1 2. Add support offload path start/suspend/stop function with HIDL 2.2 Bug: 197296692 Bug: 150670922 Test: HAL 2.1/2.2 work for A2DP software/hardware media, and LE audio software media/voip call Change-Id: I2295b62fc2255d247f18f0852de2b40e6280d282
113 lines
4.2 KiB
C++
113 lines
4.2 KiB
C++
/*
|
|
* Copyright 2021 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 "BTAudioProviderHearingAid"
|
|
|
|
#include "HearingAidAudioProvider.h"
|
|
|
|
#include <android-base/logging.h>
|
|
|
|
#include "BluetoothAudioSessionReport_2_2.h"
|
|
#include "BluetoothAudioSupportedCodecsDB_2_2.h"
|
|
|
|
namespace android {
|
|
namespace hardware {
|
|
namespace bluetooth {
|
|
namespace audio {
|
|
namespace V2_2 {
|
|
namespace implementation {
|
|
|
|
using ::android::bluetooth::audio::BluetoothAudioSessionReport_2_2;
|
|
using ::android::hardware::Void;
|
|
using ::android::hardware::bluetooth::audio::V2_0::AudioConfiguration;
|
|
|
|
static constexpr uint32_t kPcmFrameSize = 4; // 16 bits per sample / stereo
|
|
static constexpr uint32_t kPcmFrameCount = 128;
|
|
static constexpr uint32_t kRtpFrameSize = kPcmFrameSize * kPcmFrameCount;
|
|
static constexpr uint32_t kRtpFrameCount = 7; // max counts by 1 tick (20ms)
|
|
static constexpr uint32_t kBufferSize = kRtpFrameSize * kRtpFrameCount;
|
|
static constexpr uint32_t kBufferCount = 1; // single buffer
|
|
static constexpr uint32_t kDataMqSize = kBufferSize * kBufferCount;
|
|
|
|
HearingAidAudioProvider::HearingAidAudioProvider()
|
|
: BluetoothAudioProvider(), mDataMQ(nullptr) {
|
|
LOG(INFO) << __func__ << " - size of audio buffer " << kDataMqSize
|
|
<< " byte(s)";
|
|
std::unique_ptr<DataMQ> tempDataMQ(
|
|
new DataMQ(kDataMqSize, /* EventFlag */ true));
|
|
if (tempDataMQ && tempDataMQ->isValid()) {
|
|
mDataMQ = std::move(tempDataMQ);
|
|
session_type_ = V2_1::SessionType::HEARING_AID_SOFTWARE_ENCODING_DATAPATH;
|
|
} else {
|
|
ALOGE_IF(!tempDataMQ, "failed to allocate data MQ");
|
|
ALOGE_IF(tempDataMQ && !tempDataMQ->isValid(), "data MQ is invalid");
|
|
}
|
|
}
|
|
|
|
bool HearingAidAudioProvider::isValid(const V2_0::SessionType& sessionType) {
|
|
return isValid(static_cast<V2_1::SessionType>(sessionType));
|
|
}
|
|
|
|
bool HearingAidAudioProvider::isValid(const V2_1::SessionType& sessionType) {
|
|
return (sessionType == session_type_ && mDataMQ && mDataMQ->isValid());
|
|
}
|
|
|
|
Return<void> HearingAidAudioProvider::startSession(
|
|
const sp<V2_0::IBluetoothAudioPort>& hostIf,
|
|
const AudioConfiguration& audioConfig, startSession_cb _hidl_cb) {
|
|
/**
|
|
* Initialize the audio platform if audioConfiguration is supported.
|
|
* Save the IBluetoothAudioPort interface, so that it can be used
|
|
* later to send stream control commands to the HAL client, based on
|
|
* interaction with Audio framework.
|
|
*/
|
|
if (audioConfig.getDiscriminator() !=
|
|
AudioConfiguration::hidl_discriminator::pcmConfig) {
|
|
LOG(WARNING) << __func__
|
|
<< " - Invalid Audio Configuration=" << toString(audioConfig);
|
|
_hidl_cb(BluetoothAudioStatus::UNSUPPORTED_CODEC_CONFIGURATION,
|
|
DataMQ::Descriptor());
|
|
return Void();
|
|
} else if (!android::bluetooth::audio::IsSoftwarePcmConfigurationValid(
|
|
audioConfig.pcmConfig())) {
|
|
LOG(WARNING) << __func__ << " - Unsupported PCM Configuration="
|
|
<< toString(audioConfig.pcmConfig());
|
|
_hidl_cb(BluetoothAudioStatus::UNSUPPORTED_CODEC_CONFIGURATION,
|
|
DataMQ::Descriptor());
|
|
return Void();
|
|
}
|
|
|
|
return BluetoothAudioProvider::startSession(hostIf, audioConfig, _hidl_cb);
|
|
}
|
|
|
|
Return<void> HearingAidAudioProvider::onSessionReady(startSession_cb _hidl_cb) {
|
|
if (mDataMQ && mDataMQ->isValid()) {
|
|
BluetoothAudioSessionReport_2_2::OnSessionStarted(
|
|
session_type_, stack_iface_, mDataMQ->getDesc(), audio_config_);
|
|
_hidl_cb(BluetoothAudioStatus::SUCCESS, *mDataMQ->getDesc());
|
|
} else {
|
|
_hidl_cb(BluetoothAudioStatus::FAILURE, DataMQ::Descriptor());
|
|
}
|
|
return Void();
|
|
}
|
|
|
|
} // namespace implementation
|
|
} // namespace V2_2
|
|
} // namespace audio
|
|
} // namespace bluetooth
|
|
} // namespace hardware
|
|
} // namespace android
|