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80 lines
2.5 KiB
80 lines
2.5 KiB
/* |
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* Copyright (C) 2017 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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#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_1_VIRTUALRADIO_H |
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#define ANDROID_HARDWARE_BROADCASTRADIO_V1_1_VIRTUALRADIO_H |
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#include "VirtualProgram.h" |
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#include <mutex> |
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#include <vector> |
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namespace android { |
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namespace hardware { |
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namespace broadcastradio { |
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namespace V1_1 { |
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namespace implementation { |
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/** |
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* A radio frequency space mock. |
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* |
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* This represents all broadcast waves in the air for a given radio technology, |
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* not a captured station list in the radio tuner memory. |
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* |
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* It's meant to abstract out radio content from default tuner implementation. |
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*/ |
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class VirtualRadio { |
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public: |
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VirtualRadio(const std::vector<VirtualProgram> initialList); |
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std::vector<VirtualProgram> getProgramList(); |
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bool getProgram(const ProgramSelector& selector, VirtualProgram& program); |
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private: |
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std::mutex mMut; |
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std::vector<VirtualProgram> mPrograms; |
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}; |
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/** |
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* Get virtual radio space for a given radio class. |
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* |
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* As a space, each virtual radio always exists. For example, DAB frequencies |
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* exists in US, but contains no programs. |
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* |
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* The lifetime of the virtual radio space is virtually infinite, but for the |
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* needs of default implementation, it's bound with the lifetime of default |
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* implementation process. |
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* |
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* Internally, it's a static object, so trying to access the reference during |
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* default implementation library unloading may result in segmentation fault. |
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* It's unlikely for testing purposes. |
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* |
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* @param classId A class of radio technology. |
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* @return A reference to virtual radio space for a given technology. |
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*/ |
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VirtualRadio& getRadio(V1_0::Class classId); |
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VirtualRadio& getAmRadio(); |
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VirtualRadio& getFmRadio(); |
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VirtualRadio& getSatRadio(); |
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VirtualRadio& getDigitalRadio(); |
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} // namespace implementation |
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} // namespace V1_1 |
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} // namespace broadcastradio |
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} // namespace hardware |
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} // namespace android |
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#endif // ANDROID_HARDWARE_BROADCASTRADIO_V1_1_VIRTUALRADIO_H
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