diff options
Diffstat (limited to 'bluetooth/audio/2.2/default/A2dpSoftwareAudioProvider.cpp')
-rw-r--r-- | bluetooth/audio/2.2/default/A2dpSoftwareAudioProvider.cpp | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/bluetooth/audio/2.2/default/A2dpSoftwareAudioProvider.cpp b/bluetooth/audio/2.2/default/A2dpSoftwareAudioProvider.cpp deleted file mode 100644 index eb87178c38..0000000000 --- a/bluetooth/audio/2.2/default/A2dpSoftwareAudioProvider.cpp +++ /dev/null @@ -1,117 +0,0 @@ -/* - * 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 "BTAudioProviderA2dpSoftware" - -#include "A2dpSoftwareAudioProvider.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; - -// Here the buffer size is based on SBC -static constexpr uint32_t kPcmFrameSize = 4; // 16 bits per sample / stereo -// SBC is 128, and here we choose the LCM of 16, 24, and 32 -static constexpr uint32_t kPcmFrameCount = 96; -static constexpr uint32_t kRtpFrameSize = kPcmFrameSize * kPcmFrameCount; -// The max counts by 1 tick (20ms) for SBC is about 7. Since using 96 for the -// PCM counts, here we just choose a greater number -static constexpr uint32_t kRtpFrameCount = 10; -static constexpr uint32_t kBufferSize = kRtpFrameSize * kRtpFrameCount; -static constexpr uint32_t kBufferCount = 2; // double buffer -static constexpr uint32_t kDataMqSize = kBufferSize * kBufferCount; - -A2dpSoftwareAudioProvider::A2dpSoftwareAudioProvider() - : 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::A2DP_SOFTWARE_ENCODING_DATAPATH; - } else { - ALOGE_IF(!tempDataMQ, "failed to allocate data MQ"); - ALOGE_IF(tempDataMQ && !tempDataMQ->isValid(), "data MQ is invalid"); - } -} - -bool A2dpSoftwareAudioProvider::isValid(const V2_0::SessionType& sessionType) { - return isValid(static_cast<V2_1::SessionType>(sessionType)); -} - -bool A2dpSoftwareAudioProvider::isValid(const V2_1::SessionType& sessionType) { - return (sessionType == session_type_ && mDataMQ && mDataMQ->isValid()); -} - -Return<void> A2dpSoftwareAudioProvider::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> A2dpSoftwareAudioProvider::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 |