41 static constexpr bool kUseApiLock = false;  variable
106     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in load()
113     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in unload()
131     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in play()
169     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in pause()
178     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in resume()
187     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in stop()
198     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in setVolume()
208     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in setPriority()
218     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in setLoop()
228     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in setRate()
237     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in setCallback()
244     auto apiLock = kUseApiLock ? std::make_unique<std::lock_guard<std::mutex>>(mApiLock) : nullptr;  in getUserData()