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 "DescramblerClient"
18
19 #include <android-base/logging.h>
20 #include <utils/Log.h>
21
22 #include "DescramblerClient.h"
23
24 using ::android::hardware::tv::tuner::V1_0::Result;
25
26 namespace android {
27
28 /////////////// DescramblerClient ///////////////////////
29
DescramblerClient(shared_ptr<ITunerDescrambler> tunerDescrambler)30 DescramblerClient::DescramblerClient(shared_ptr<ITunerDescrambler> tunerDescrambler) {
31 mTunerDescrambler = tunerDescrambler;
32 }
33
~DescramblerClient()34 DescramblerClient::~DescramblerClient() {
35 mTunerDescrambler = NULL;
36 mDescrambler = NULL;
37 }
38
39 // TODO: remove after migration to Tuner Service is done.
setHidlDescrambler(sp<IDescrambler> descrambler)40 void DescramblerClient::setHidlDescrambler(sp<IDescrambler> descrambler) {
41 mDescrambler = descrambler;
42 }
43
setDemuxSource(sp<DemuxClient> demuxClient)44 Result DescramblerClient::setDemuxSource(sp<DemuxClient> demuxClient) {
45 if (demuxClient == NULL) {
46 return Result::INVALID_ARGUMENT;
47 }
48
49 if (mTunerDescrambler != NULL) {
50 Status s = mTunerDescrambler->setDemuxSource(demuxClient->getAidlDemux());
51 return ClientHelper::getServiceSpecificErrorCode(s);
52 }
53
54 if (mDescrambler != NULL) {
55 return mDescrambler->setDemuxSource(demuxClient->getId());
56 }
57
58 return Result::INVALID_STATE;
59 }
60
setKeyToken(vector<uint8_t> keyToken)61 Result DescramblerClient::setKeyToken(vector<uint8_t> keyToken) {
62 if (mTunerDescrambler != NULL) {
63 Status s = mTunerDescrambler->setKeyToken(keyToken);
64 return ClientHelper::getServiceSpecificErrorCode(s);
65 }
66
67 if (mDescrambler != NULL) {
68 return mDescrambler->setKeyToken(keyToken);
69 }
70
71 return Result::INVALID_STATE;
72 }
73
addPid(DemuxPid pid,sp<FilterClient> optionalSourceFilter)74 Result DescramblerClient::addPid(DemuxPid pid, sp<FilterClient> optionalSourceFilter) {
75 if (mTunerDescrambler != NULL) {
76 shared_ptr<ITunerFilter> aidlFilter = (optionalSourceFilter == NULL)
77 ? NULL : optionalSourceFilter->getAidlFilter();
78 Status s = mTunerDescrambler->addPid(getAidlDemuxPid(pid), aidlFilter);
79 return ClientHelper::getServiceSpecificErrorCode(s);
80 }
81
82 if (mDescrambler != NULL) {
83 sp<IFilter> halFilter = (optionalSourceFilter == NULL)
84 ? NULL : optionalSourceFilter->getHalFilter();
85 return mDescrambler->addPid(pid, halFilter);
86 }
87
88 return Result::INVALID_STATE;
89 }
90
removePid(DemuxPid pid,sp<FilterClient> optionalSourceFilter)91 Result DescramblerClient::removePid(DemuxPid pid, sp<FilterClient> optionalSourceFilter) {
92 if (mTunerDescrambler != NULL) {
93 shared_ptr<ITunerFilter> aidlFilter = (optionalSourceFilter == NULL)
94 ? NULL : optionalSourceFilter->getAidlFilter();
95 Status s = mTunerDescrambler->removePid(getAidlDemuxPid(pid), aidlFilter);
96 return ClientHelper::getServiceSpecificErrorCode(s);
97 }
98
99 if (mDescrambler != NULL) {
100 sp<IFilter> halFilter = (optionalSourceFilter == NULL)
101 ? NULL : optionalSourceFilter->getHalFilter();
102 return mDescrambler->removePid(pid, halFilter);
103 }
104
105 return Result::INVALID_STATE;
106 }
107
close()108 Result DescramblerClient::close() {
109 if (mTunerDescrambler != NULL) {
110 Status s = mTunerDescrambler->close();
111 mTunerDescrambler = NULL;
112 return ClientHelper::getServiceSpecificErrorCode(s);
113 }
114
115 if (mDescrambler != NULL) {
116 Result res = mDescrambler->close();
117 mDescrambler = NULL;
118 return res;
119 }
120
121 return Result::INVALID_STATE;
122 }
123
124 /////////////// DescramblerClient Helper Methods ///////////////////////
125
getAidlDemuxPid(DemuxPid & pid)126 TunerDemuxPid DescramblerClient::getAidlDemuxPid(DemuxPid& pid) {
127 TunerDemuxPid aidlPid;
128 switch (pid.getDiscriminator()) {
129 case DemuxPid::hidl_discriminator::tPid:
130 aidlPid.set<TunerDemuxPid::tPid>((int)pid.tPid());
131 break;
132 case DemuxPid::hidl_discriminator::mmtpPid:
133 aidlPid.set<TunerDemuxPid::mmtpPid>((int)pid.mmtpPid());
134 break;
135 }
136 return aidlPid;
137 }
138 } // namespace android
139