1 /* 2 * Copyright 2020 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 #ifndef _ANDROID_MEDIA_TV_DESCRAMBLER_CLIENT_H_ 18 #define _ANDROID_MEDIA_TV_DESCRAMBLER_CLIENT_H_ 19 20 #include <aidl/android/media/tv/tuner/ITunerDescrambler.h> 21 #include <android/hardware/tv/tuner/1.0/IDescrambler.h> 22 #include <android/hardware/tv/tuner/1.1/types.h> 23 24 #include "DemuxClient.h" 25 #include "FilterClient.h" 26 27 using ::aidl::android::media::tv::tuner::ITunerDescrambler; 28 using ::aidl::android::media::tv::tuner::TunerDemuxPid; 29 30 using ::android::hardware::tv::tuner::V1_0::IDescrambler; 31 using ::android::hardware::tv::tuner::V1_0::Result; 32 using ::android::hardware::tv::tuner::V1_0::DemuxPid; 33 34 using namespace std; 35 36 namespace android { 37 38 struct DescramblerClient : public RefBase { 39 40 public: 41 DescramblerClient(shared_ptr<ITunerDescrambler> tunerDescrambler); 42 ~DescramblerClient(); 43 44 // TODO: remove after migration to Tuner Service is done. 45 void setHidlDescrambler(sp<IDescrambler> descrambler); 46 47 /** 48 * Set a demux as source of the descrambler. 49 */ 50 Result setDemuxSource(sp<DemuxClient> demuxClient); 51 52 /** 53 * Set a key token to link descrambler to a key slot. 54 */ 55 Result setKeyToken(vector<uint8_t> keyToken); 56 57 /** 58 * Add packets' PID to the descrambler for descrambling. 59 */ 60 Result addPid(DemuxPid pid, sp<FilterClient> optionalSourceFilter); 61 62 /** 63 * Remove packets' PID from the descrambler. 64 */ 65 Result removePid(DemuxPid pid, sp<FilterClient> optionalSourceFilter); 66 67 /** 68 * Close a new interface of ITunerDescrambler. 69 */ 70 Result close(); 71 72 private: 73 TunerDemuxPid getAidlDemuxPid(DemuxPid& pid); 74 75 /** 76 * An AIDL Tuner Descrambler Singleton assigned at the first time the Tuner Client 77 * opens a descrambler. Default null when descrambler is not opened. 78 */ 79 shared_ptr<ITunerDescrambler> mTunerDescrambler; 80 81 /** 82 * A Descrambler HAL interface that is ready before migrating to the TunerDescrambler. 83 * This is a temprary interface before Tuner Framework migrates to use TunerService. 84 * Default null when the HAL service does not exist. 85 */ 86 sp<IDescrambler> mDescrambler; 87 }; 88 } // namespace android 89 90 #endif // _ANDROID_MEDIA_TV_DESCRAMBLER_CLIENT_H_ 91