109 lines
3.9 KiB
C++
109 lines
3.9 KiB
C++
/*
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* Copyright 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "BTAudioProviderLeAudioOffload"
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#include "LeAudioOffloadAudioProvider.h"
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#include <android-base/logging.h>
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#include "BluetoothAudioSessionReport_2_1.h"
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#include "BluetoothAudioSupportedCodecsDB_2_1.h"
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namespace android {
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namespace hardware {
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namespace bluetooth {
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namespace audio {
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namespace V2_1 {
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namespace implementation {
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using ::android::bluetooth::audio::BluetoothAudioSessionReport_2_1;
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using ::android::hardware::Void;
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using ::android::hardware::bluetooth::audio::V2_0::BitsPerSample;
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using ::android::hardware::bluetooth::audio::V2_0::ChannelMode;
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using ::android::hardware::bluetooth::audio::V2_1::SampleRate;
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using DataMQ = MessageQueue<uint8_t, kSynchronizedReadWrite>;
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LeAudioOffloadOutputAudioProvider::LeAudioOffloadOutputAudioProvider()
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: LeAudioOffloadAudioProvider() {
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session_type_ = SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH;
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}
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LeAudioOffloadInputAudioProvider::LeAudioOffloadInputAudioProvider()
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: LeAudioOffloadAudioProvider() {
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session_type_ = SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH;
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}
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LeAudioOffloadAudioProvider::LeAudioOffloadAudioProvider()
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: BluetoothAudioProvider() {}
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bool LeAudioOffloadAudioProvider::isValid(const V2_0::SessionType& sessionType) {
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LOG(ERROR) << __func__ << ", invalid session type for Offloaded Le Audio provider: "
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<< toString(sessionType);
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return false;
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}
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bool LeAudioOffloadAudioProvider::isValid(const SessionType& sessionType) {
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return (sessionType == session_type_);
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}
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Return<void> LeAudioOffloadAudioProvider::startSession_2_1(
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const sp<V2_0::IBluetoothAudioPort>& hostIf,
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const AudioConfiguration& audioConfig, startSession_cb _hidl_cb) {
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/**
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* Initialize the audio platform if audioConfiguration is supported.
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* Save the IBluetoothAudioPort interface, so that it can be used
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* later to send stream control commands to the HAL client, based on
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* interaction with Audio framework.
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*/
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if (audioConfig.getDiscriminator() !=
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AudioConfiguration::hidl_discriminator::leAudioCodecConfig) {
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LOG(WARNING) << __func__
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<< " - Invalid Audio Configuration=" << toString(audioConfig);
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_hidl_cb(BluetoothAudioStatus::UNSUPPORTED_CODEC_CONFIGURATION,
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DataMQ::Descriptor());
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return Void();
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}
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if (!android::bluetooth::audio::IsOffloadLeAudioConfigurationValid(session_type_,
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audioConfig.leAudioCodecConfig())) {
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LOG(WARNING) << __func__ << " - Unsupported LC3 Offloaded Configuration="
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<< toString(audioConfig.leAudioCodecConfig());
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_hidl_cb(BluetoothAudioStatus::UNSUPPORTED_CODEC_CONFIGURATION,
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DataMQ::Descriptor());
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return Void();
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}
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return BluetoothAudioProvider::startSession_2_1(hostIf, audioConfig,
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_hidl_cb);
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}
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Return<void> LeAudioOffloadAudioProvider::onSessionReady(startSession_cb _hidl_cb) {
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BluetoothAudioSessionReport_2_1::OnSessionStarted(session_type_, stack_iface_,
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nullptr, audio_config_);
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_hidl_cb(BluetoothAudioStatus::SUCCESS, DataMQ::Descriptor());
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return Void();
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}
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} // namespace implementation
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} // namespace V2_1
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} // namespace audio
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} // namespace bluetooth
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} // namespace hardware
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} // namespace android
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