1 /* 2 * Copyright (C) 2017 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 #ifndef ANDROID_HARDWARE_BROADCASTRADIO_V2_0_TUNER_H 17 #define ANDROID_HARDWARE_BROADCASTRADIO_V2_0_TUNER_H 18 19 #include "VirtualRadio.h" 20 21 #include <android/hardware/broadcastradio/2.0/ITunerCallback.h> 22 #include <android/hardware/broadcastradio/2.0/ITunerSession.h> 23 #include <broadcastradio-utils/WorkerThread.h> 24 25 #include <optional> 26 27 namespace android { 28 namespace hardware { 29 namespace broadcastradio { 30 namespace V2_0 { 31 namespace implementation { 32 33 struct BroadcastRadio; 34 35 struct TunerSession : public ITunerSession { 36 TunerSession(BroadcastRadio& module, const sp<ITunerCallback>& callback); 37 38 // V2_0::ITunerSession methods 39 virtual Return<Result> tune(const ProgramSelector& program) override; 40 virtual Return<Result> scan(bool directionUp, bool skipSubChannel) override; 41 virtual Return<Result> step(bool directionUp) override; 42 virtual Return<void> cancel() override; 43 virtual Return<Result> startProgramListUpdates(const ProgramFilter& filter); 44 virtual Return<void> stopProgramListUpdates(); 45 virtual Return<void> isConfigFlagSet(ConfigFlag flag, isConfigFlagSet_cb _hidl_cb); 46 virtual Return<Result> setConfigFlag(ConfigFlag flag, bool value); 47 virtual Return<void> setParameters(const hidl_vec<VendorKeyValue>& parameters, 48 setParameters_cb _hidl_cb) override; 49 virtual Return<void> getParameters(const hidl_vec<hidl_string>& keys, 50 getParameters_cb _hidl_cb) override; 51 virtual Return<void> close() override; 52 53 std::optional<AmFmBandRange> getAmFmRangeLocked() const; 54 55 private: 56 std::mutex mMut; 57 WorkerThread mThread; 58 bool mIsClosed = false; 59 60 const sp<ITunerCallback> mCallback; 61 62 std::reference_wrapper<BroadcastRadio> mModule; 63 bool mIsTuneCompleted = false; 64 ProgramSelector mCurrentProgram = {}; 65 66 void cancelLocked(); 67 void tuneInternalLocked(const ProgramSelector& sel); 68 const VirtualRadio& virtualRadio() const; 69 const BroadcastRadio& module() const; 70 }; 71 72 } // namespace implementation 73 } // namespace V2_0 74 } // namespace broadcastradio 75 } // namespace hardware 76 } // namespace android 77 78 #endif // ANDROID_HARDWARE_BROADCASTRADIO_V2_0_TUNER_H 79