1 /*
2 * Copyright (c) 2025 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #ifndef LOG_TAG
17 #define LOG_TAG "AudioAbilityManager"
18 #endif
19
20 #include "audio_ability_manager.h"
21
22 #include <mutex>
23 #include "audio_common_log.h"
24 #include "audio_manager_base.h"
25 #include "audio_utils.h"
26 #include "iservice_registry.h"
27 #include "system_ability_definition.h"
28
29 namespace OHOS {
30 namespace AudioStandard {
31 constexpr unsigned int XCOLLIE_TIME_OUT_SECONDS = 10;
32 std::mutex g_asProxyMutex;
33 sptr<IStandardAudioService> g_asProxy = nullptr;
34
GetInstance()35 AudioAbilityManager *AudioAbilityManager::GetInstance()
36 {
37 static AudioAbilityManager audioManager;
38 return &audioManager;
39 }
40
~AudioAbilityManager()41 AudioAbilityManager::~AudioAbilityManager() {}
42
GetAudioAbilityManagerProxy()43 static const sptr<IStandardAudioService> GetAudioAbilityManagerProxy()
44 {
45 AudioXCollie xcollieGetAudioSystemManagerProxy("GetAudioSystemManagerProxy", XCOLLIE_TIME_OUT_SECONDS);
46 std::lock_guard<std::mutex> lock(g_asProxyMutex);
47 if (g_asProxy == nullptr) {
48 AudioXCollie xcollieGetSystemAbilityManager("GetSystemAbilityManager", XCOLLIE_TIME_OUT_SECONDS);
49 auto samgr = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
50 CHECK_AND_RETURN_RET_LOG(samgr != nullptr, nullptr, "get sa manager failed");
51 xcollieGetSystemAbilityManager.CancelXCollieTimer();
52
53 AudioXCollie xcollieGetSystemAbility("GetSystemAbility", XCOLLIE_TIME_OUT_SECONDS);
54 sptr<IRemoteObject> object = samgr->GetSystemAbility(AUDIO_DISTRIBUTED_SERVICE_ID);
55 CHECK_AND_RETURN_RET_LOG(object != nullptr, nullptr, "get audio service remote object failed");
56 g_asProxy = iface_cast<IStandardAudioService>(object);
57 CHECK_AND_RETURN_RET_LOG(g_asProxy != nullptr, nullptr, "get audio service proxy failed");
58 xcollieGetSystemAbility.CancelXCollieTimer();
59 }
60 sptr<IStandardAudioService> gasp = g_asProxy;
61 return gasp;
62 }
63
GetTransactionId(DeviceType deviceType,DeviceRole deviceRole)64 uint64_t AudioAbilityManager::GetTransactionId(DeviceType deviceType, DeviceRole deviceRole)
65 {
66 const sptr<IStandardAudioService> gasp = GetAudioAbilityManagerProxy();
67 CHECK_AND_RETURN_RET_LOG(gasp != nullptr, 0, "Audio service unavailable.");
68 return gasp->GetTransactionId(deviceType, deviceRole);
69 }
70 } // namespace AudioStandard
71 } // namespace OHOS