1 /**
2  * Copyright 2021, 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 #define LOG_TAG "TunerHidlDescrambler"
18 
19 #include "TunerHidlDescrambler.h"
20 
21 #include <aidl/android/hardware/tv/tuner/Result.h>
22 
23 #include "TunerHidlDemux.h"
24 #include "TunerHidlFilter.h"
25 
26 using ::aidl::android::hardware::tv::tuner::Result;
27 
28 using HidlResult = ::android::hardware::tv::tuner::V1_0::Result;
29 
30 using namespace std;
31 
32 namespace aidl {
33 namespace android {
34 namespace media {
35 namespace tv {
36 namespace tuner {
37 
TunerHidlDescrambler(sp<HidlIDescrambler> descrambler)38 TunerHidlDescrambler::TunerHidlDescrambler(sp<HidlIDescrambler> descrambler) {
39     mDescrambler = descrambler;
40 }
41 
~TunerHidlDescrambler()42 TunerHidlDescrambler::~TunerHidlDescrambler() {
43     mDescrambler = nullptr;
44 }
45 
setDemuxSource(const shared_ptr<ITunerDemux> & in_tunerDemux)46 ::ndk::ScopedAStatus TunerHidlDescrambler::setDemuxSource(
47         const shared_ptr<ITunerDemux>& in_tunerDemux) {
48     HidlResult res = mDescrambler->setDemuxSource(
49             static_cast<TunerHidlDemux*>(in_tunerDemux.get())->getId());
50     if (res != HidlResult::SUCCESS) {
51         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
52     }
53     return ::ndk::ScopedAStatus::ok();
54 }
55 
setKeyToken(const vector<uint8_t> & in_keyToken)56 ::ndk::ScopedAStatus TunerHidlDescrambler::setKeyToken(const vector<uint8_t>& in_keyToken) {
57     HidlResult res = mDescrambler->setKeyToken(in_keyToken);
58     if (res != HidlResult::SUCCESS) {
59         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
60     }
61     return ::ndk::ScopedAStatus::ok();
62 }
63 
addPid(const DemuxPid & in_pid,const shared_ptr<ITunerFilter> & in_optionalSourceFilter)64 ::ndk::ScopedAStatus TunerHidlDescrambler::addPid(
65         const DemuxPid& in_pid, const shared_ptr<ITunerFilter>& in_optionalSourceFilter) {
66     sp<HidlIFilter> halFilter =
67             (in_optionalSourceFilter == nullptr)
68                     ? nullptr
69                     : static_cast<TunerHidlFilter*>(in_optionalSourceFilter.get())->getHalFilter();
70     HidlResult res = mDescrambler->addPid(getHidlDemuxPid(in_pid), halFilter);
71     if (res != HidlResult::SUCCESS) {
72         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
73     }
74     return ::ndk::ScopedAStatus::ok();
75 }
76 
removePid(const DemuxPid & in_pid,const shared_ptr<ITunerFilter> & in_optionalSourceFilter)77 ::ndk::ScopedAStatus TunerHidlDescrambler::removePid(
78         const DemuxPid& in_pid, const shared_ptr<ITunerFilter>& in_optionalSourceFilter) {
79     sp<HidlIFilter> halFilter =
80             (in_optionalSourceFilter == nullptr)
81                     ? nullptr
82                     : static_cast<TunerHidlFilter*>(in_optionalSourceFilter.get())->getHalFilter();
83     HidlResult res = mDescrambler->removePid(getHidlDemuxPid(in_pid), halFilter);
84     if (res != HidlResult::SUCCESS) {
85         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
86     }
87     return ::ndk::ScopedAStatus::ok();
88 }
89 
close()90 ::ndk::ScopedAStatus TunerHidlDescrambler::close() {
91     HidlResult res = mDescrambler->close();
92     if (res != HidlResult::SUCCESS) {
93         return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
94     }
95     return ::ndk::ScopedAStatus::ok();
96 }
97 
getHidlDemuxPid(const DemuxPid & pid)98 HidlDemuxPid TunerHidlDescrambler::getHidlDemuxPid(const DemuxPid& pid) {
99     HidlDemuxPid hidlPid;
100     switch (pid.getTag()) {
101     case DemuxPid::tPid: {
102         hidlPid.tPid((uint16_t)pid.get<DemuxPid::Tag::tPid>());
103         break;
104     }
105     case DemuxPid::mmtpPid: {
106         hidlPid.mmtpPid((uint16_t)pid.get<DemuxPid::Tag::mmtpPid>());
107         break;
108     }
109     }
110     return hidlPid;
111 }
112 
113 }  // namespace tuner
114 }  // namespace tv
115 }  // namespace media
116 }  // namespace android
117 }  // namespace aidl
118