1 /*
2  * Copyright (C) 2019 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_HARDWARE_TV_TUNER_V1_0_TUNER_H_
18 #define ANDROID_HARDWARE_TV_TUNER_V1_0_TUNER_H_
19 
20 #include <android/hardware/tv/tuner/1.0/ITuner.h>
21 #include <map>
22 #include "Demux.h"
23 #include "Frontend.h"
24 
25 using namespace std;
26 
27 namespace android {
28 namespace hardware {
29 namespace tv {
30 namespace tuner {
31 namespace V1_0 {
32 namespace implementation {
33 
34 class Frontend;
35 class Demux;
36 
37 class Tuner : public ITuner {
38   public:
39     Tuner();
40     virtual Return<void> getFrontendIds(getFrontendIds_cb _hidl_cb) override;
41 
42     virtual Return<void> openFrontendById(uint32_t frontendId,
43                                           openFrontendById_cb _hidl_cb) override;
44 
45     virtual Return<void> openDemux(openDemux_cb _hidl_cb) override;
46 
47     virtual Return<void> getDemuxCaps(getDemuxCaps_cb _hidl_cb) override;
48 
49     virtual Return<void> openDescrambler(openDescrambler_cb _hidl_cb) override;
50 
51     virtual Return<void> getFrontendInfo(FrontendId frontendId,
52                                          getFrontendInfo_cb _hidl_cb) override;
53 
54     virtual Return<void> getLnbIds(getLnbIds_cb _hidl_cb) override;
55 
56     virtual Return<void> openLnbById(LnbId lnbId, openLnbById_cb _hidl_cb) override;
57 
58     virtual Return<void> openLnbByName(const hidl_string& lnbName,
59                                        openLnbByName_cb _hidl_cb) override;
60 
61     sp<Frontend> getFrontendById(uint32_t frontendId);
62 
63     void setFrontendAsDemuxSource(uint32_t frontendId, uint32_t demuxId);
64 
65     void frontendStopTune(uint32_t frontendId);
66 
67   private:
68     virtual ~Tuner();
69     // Static mFrontends array to maintain local frontends information
70     vector<sp<Frontend>> mFrontends;
71     std::map<uint32_t, uint32_t> mFrontendToDemux;
72     std::map<uint32_t, sp<Demux>> mDemuxes;
73     // To maintain how many Frontends we have
74     int mFrontendSize;
75     // The last used demux id. Initial value is -1.
76     // First used id will be 0.
77     int mLastUsedId = -1;
78 };
79 
80 }  // namespace implementation
81 }  // namespace V1_0
82 }  // namespace tuner
83 }  // namespace tv
84 }  // namespace hardware
85 }  // namespace android
86 
87 #endif  // ANDROID_HARDWARE_TV_TUNER_V1_0_TUNER_H_
88