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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 package android.media.tv.tuner.cts;
18 
19 import android.app.Service;
20 import android.content.Context;
21 import android.content.Intent;
22 import android.hardware.tv.tuner.Result;
23 import android.media.tv.tuner.Tuner;
24 import android.media.tv.tuner.frontend.FrontendInfo;
25 import android.media.tv.tuner.frontend.FrontendSettings;
26 import android.os.IBinder;
27 import android.util.Log;
28 
29 import java.util.List;
30 
31 public class TunerResourceTestService extends Service {
32     private static final String TAG = "TunerResourceTestService";
33     private Context mContext = null;
34     private Tuner mTuner = null;
35     private FrontendSettings mFeSettings;
36     private FrontendInfo mFeInfo;
37     private final Object mLock = new Object();
38 
39     @Override
onBind(Intent intent)40     public IBinder onBind(Intent intent) {
41         mContext = this;
42         return mBinder;
43     }
44 
45     @Override
onUnbind(Intent intent)46     public boolean onUnbind(Intent intent) {
47         synchronized (mLock) {
48             closeTunerInternal();
49             return false;
50         }
51     }
52 
closeTunerInternal()53     private void closeTunerInternal() {
54         if (mTuner != null) {
55             mTuner.close();
56             mTuner = null;
57         }
58     }
59 
tuneInternal(int frontendIndex)60     private int tuneInternal(int frontendIndex) {
61         // make sure mTuner is not null
62         if (mTuner == null) {
63             Log.e(TAG, "tune called on null tuner");
64             return Result.INVALID_STATE;
65         }
66 
67         // construct FrontendSettings to tune
68         List<FrontendInfo> infos = mTuner.getAvailableFrontendInfos();
69         mFeInfo = infos.get(frontendIndex);
70         mFeSettings = TunerTest.createFrontendSettings(mFeInfo);
71 
72         // tune
73         return  mTuner.tune(mFeSettings);
74     }
75 
76     private final ITunerResourceTestServer.Stub mBinder = new ITunerResourceTestServer.Stub() {
77         public void createTuner(int useCase) {
78             synchronized (mLock) {
79                 closeTunerInternal();
80                 mTuner = new Tuner(mContext, null, useCase);
81             }
82         }
83 
84         public void tuneAsync(int frontendIndex) {
85             synchronized (mLock) {
86                 tuneInternal(frontendIndex);
87             }
88         }
89 
90         public int tune(int frontendIndex) {
91             synchronized (mLock) {
92                 return tuneInternal(frontendIndex);
93             }
94         }
95 
96         public void closeTuner() {
97             synchronized (mLock) {
98                 closeTunerInternal();
99             }
100         }
101 
102         public boolean verifyTunerIsNull() {
103             synchronized (mLock) {
104                 return mTuner == null;
105             }
106         }
107     };
108 }
109