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 "TunerDescrambler"
18
19 #include "TunerFilter.h"
20 #include "TunerDemux.h"
21 #include "TunerDescrambler.h"
22
23 using ::android::hardware::tv::tuner::V1_0::Result;
24
25 using namespace std;
26
27 namespace android {
28
TunerDescrambler(sp<IDescrambler> descrambler)29 TunerDescrambler::TunerDescrambler(sp<IDescrambler> descrambler) {
30 mDescrambler = descrambler;
31 }
32
~TunerDescrambler()33 TunerDescrambler::~TunerDescrambler() {
34 mDescrambler = nullptr;
35 }
36
setDemuxSource(const std::shared_ptr<ITunerDemux> & demux)37 Status TunerDescrambler::setDemuxSource(const std::shared_ptr<ITunerDemux>& demux) {
38 if (mDescrambler == nullptr) {
39 ALOGE("IDescrambler is not initialized");
40 return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
41 }
42
43 Result res = mDescrambler->setDemuxSource(static_cast<TunerDemux*>(demux.get())->getId());
44 if (res != Result::SUCCESS) {
45 return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
46 }
47 return Status::ok();
48 }
49
setKeyToken(const vector<uint8_t> & keyToken)50 Status TunerDescrambler::setKeyToken(const vector<uint8_t>& keyToken) {
51 if (mDescrambler == nullptr) {
52 ALOGE("IDescrambler is not initialized");
53 return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
54 }
55
56 Result res = mDescrambler->setKeyToken(keyToken);
57 if (res != Result::SUCCESS) {
58 return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
59 }
60 return Status::ok();
61 }
62
addPid(const TunerDemuxPid & pid,const shared_ptr<ITunerFilter> & optionalSourceFilter)63 Status TunerDescrambler::addPid(const TunerDemuxPid& pid,
64 const shared_ptr<ITunerFilter>& optionalSourceFilter) {
65 if (mDescrambler == nullptr) {
66 ALOGE("IDescrambler is not initialized");
67 return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
68 }
69
70 sp<IFilter> halFilter = (optionalSourceFilter == NULL)
71 ? NULL : static_cast<TunerFilter*>(optionalSourceFilter.get())->getHalFilter();
72 Result res = mDescrambler->addPid(getHidlDemuxPid(pid), halFilter);
73 if (res != Result::SUCCESS) {
74 return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
75 }
76 return Status::ok();
77 }
78
removePid(const TunerDemuxPid & pid,const shared_ptr<ITunerFilter> & optionalSourceFilter)79 Status TunerDescrambler::removePid(const TunerDemuxPid& pid,
80 const shared_ptr<ITunerFilter>& optionalSourceFilter) {
81 if (mDescrambler == nullptr) {
82 ALOGE("IDescrambler is not initialized");
83 return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
84 }
85
86 sp<IFilter> halFilter = (optionalSourceFilter == NULL)
87 ? NULL : static_cast<TunerFilter*>(optionalSourceFilter.get())->getHalFilter();
88 Result res = mDescrambler->removePid(getHidlDemuxPid(pid), halFilter);
89 if (res != Result::SUCCESS) {
90 return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
91 }
92 return Status::ok();
93 }
94
close()95 Status TunerDescrambler::close() {
96 if (mDescrambler == nullptr) {
97 ALOGE("IDescrambler is not initialized.");
98 return Status::fromServiceSpecificError(static_cast<int32_t>(Result::UNAVAILABLE));
99 }
100
101 Result res = mDescrambler->close();
102 mDescrambler = NULL;
103
104 if (res != Result::SUCCESS) {
105 return Status::fromServiceSpecificError(static_cast<int32_t>(res));
106 }
107 return Status::ok();
108 }
109
getHidlDemuxPid(const TunerDemuxPid & pid)110 DemuxPid TunerDescrambler::getHidlDemuxPid(const TunerDemuxPid& pid) {
111 DemuxPid hidlPid;
112 switch (pid.getTag()) {
113 case TunerDemuxPid::tPid: {
114 hidlPid.tPid((uint16_t)pid.get<TunerDemuxPid::tPid>());
115 break;
116 }
117 case TunerDemuxPid::mmtpPid: {
118 hidlPid.mmtpPid((uint16_t)pid.get<TunerDemuxPid::mmtpPid>());
119 break;
120 }
121 }
122 return hidlPid;
123 }
124 } // namespace android
125