1 /* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "BTAudioProvidersFactory" 18 19 #include <android-base/logging.h> 20 21 #include "BluetoothAudioProvidersFactory.h" 22 #include "BluetoothAudioSupportedCodecsDB.h" 23 24 namespace android { 25 namespace hardware { 26 namespace bluetooth { 27 namespace audio { 28 namespace V2_0 { 29 namespace implementation { 30 31 using ::android::hardware::hidl_vec; 32 using ::android::hardware::Void; 33 34 A2dpSoftwareAudioProvider 35 BluetoothAudioProvidersFactory::a2dp_software_provider_instance_; 36 A2dpOffloadAudioProvider 37 BluetoothAudioProvidersFactory::a2dp_offload_provider_instance_; 38 HearingAidAudioProvider 39 BluetoothAudioProvidersFactory::hearing_aid_provider_instance_; 40 41 Return<void> BluetoothAudioProvidersFactory::openProvider( 42 const SessionType sessionType, openProvider_cb _hidl_cb) { 43 LOG(INFO) << __func__ << " - SessionType=" << toString(sessionType); 44 BluetoothAudioStatus status = BluetoothAudioStatus::SUCCESS; 45 BluetoothAudioProvider* provider = nullptr; 46 switch (sessionType) { 47 case SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH: 48 provider = &a2dp_software_provider_instance_; 49 break; 50 case SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH: 51 provider = &a2dp_offload_provider_instance_; 52 break; 53 case SessionType::HEARING_AID_SOFTWARE_ENCODING_DATAPATH: 54 provider = &hearing_aid_provider_instance_; 55 break; 56 default: 57 status = BluetoothAudioStatus::FAILURE; 58 } 59 if (provider == nullptr || !provider->isValid(sessionType)) { 60 provider = nullptr; 61 status = BluetoothAudioStatus::FAILURE; 62 LOG(ERROR) << __func__ << " - SessionType=" << toString(sessionType) 63 << ", status=" << toString(status); 64 } 65 _hidl_cb(status, provider); 66 return Void(); 67 } 68 69 Return<void> BluetoothAudioProvidersFactory::getProviderCapabilities( 70 const SessionType sessionType, getProviderCapabilities_cb _hidl_cb) { 71 hidl_vec<AudioCapabilities> audio_capabilities = 72 hidl_vec<AudioCapabilities>(0); 73 if (sessionType == SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH) { 74 std::vector<CodecCapabilities> db_codec_capabilities = 75 android::bluetooth::audio::GetOffloadCodecCapabilities(sessionType); 76 if (db_codec_capabilities.size()) { 77 audio_capabilities.resize(db_codec_capabilities.size()); 78 for (int i = 0; i < db_codec_capabilities.size(); ++i) { 79 audio_capabilities[i].codecCapabilities(db_codec_capabilities[i]); 80 } 81 } 82 } else if (sessionType != SessionType::UNKNOWN) { 83 std::vector<PcmParameters> db_pcm_capabilities = 84 android::bluetooth::audio::GetSoftwarePcmCapabilities(); 85 if (db_pcm_capabilities.size() == 1) { 86 audio_capabilities.resize(1); 87 audio_capabilities[0].pcmCapabilities(db_pcm_capabilities[0]); 88 } 89 } 90 LOG(INFO) << __func__ << " - SessionType=" << toString(sessionType) 91 << " supports " << audio_capabilities.size() << " codecs"; 92 _hidl_cb(audio_capabilities); 93 return Void(); 94 } 95 96 IBluetoothAudioProvidersFactory* HIDL_FETCH_IBluetoothAudioProvidersFactory( 97 const char* /* name */) { 98 return new BluetoothAudioProvidersFactory(); 99 } 100 101 } // namespace implementation 102 } // namespace V2_0 103 } // namespace audio 104 } // namespace bluetooth 105 } // namespace hardware 106 } // namespace android 107
