1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.hdmi;
import android.hardware.hdmi.HdmiControlManager;
import android.hardware.hdmi.HdmiDeviceInfo;
import android.hardware.hdmi.IHdmiControlCallback;
import android.os.RemoteException;
import android.os.SystemProperties;
import android.util.Slog;
import com.android.internal.util.IndentingPrintWriter;
import com.android.server.hdmi.HdmiAnnotations.ServiceThreadOnly;
/**
* Represent a logical device of type Playback residing in Android system.
*/
final class HdmiCecLocalDevicePlayback extends HdmiCecLocalDevice {
private static final String TAG = "HdmiCecLocalDevicePlayback";
private boolean mIsActiveSource = false;
HdmiCecLocalDevicePlayback(HdmiControlService service) {
super(service, HdmiDeviceInfo.DEVICE_PLAYBACK);
}
@Override
@ServiceThreadOnly
protected void onAddressAllocated(int logicalAddress, int reason) {
assertRunOnServiceThread();
mService.sendCecCommand(HdmiCecMessageBuilder.buildReportPhysicalAddressCommand(
mAddress, mService.getPhysicalAddress(), mDeviceType));
if (reason == HdmiControlService.INITIATED_BY_SCREEN_ON) {
oneTouchPlay(new IHdmiControlCallback.Stub() {
@Override public void onComplete(int result) throws RemoteException {}
});
}
}
@Override
@ServiceThreadOnly
protected int getPreferredAddress() {
assertRunOnServiceThread();
return SystemProperties.getInt(Constants.PROPERTY_PREFERRED_ADDRESS_PLAYBACK,
Constants.ADDR_UNREGISTERED);
}
@Override
@ServiceThreadOnly
protected void setPreferredAddress(int addr) {
assertRunOnServiceThread();
SystemProperties.set(Constants.PROPERTY_PREFERRED_ADDRESS_PLAYBACK,
String.valueOf(addr));
}
@ServiceThreadOnly
void oneTouchPlay(IHdmiControlCallback callback) {
assertRunOnServiceThread();
if (hasAction(OneTouchPlayAction.class)) {
Slog.w(TAG, "oneTouchPlay already in progress");
invokeCallback(callback, HdmiControlManager.RESULT_ALREADY_IN_PROGRESS);
return;
}
// TODO: Consider the case of multiple TV sets. For now we always direct the command
// to the primary one.
OneTouchPlayAction action = OneTouchPlayAction.create(this, Constants.ADDR_TV,
callback);
if (action == null) {
Slog.w(TAG, "Cannot initiate oneTouchPlay");
invokeCallback(callback, HdmiControlManager.RESULT_EXCEPTION);
return;
}
addAndStartAction(action);
}
@ServiceThreadOnly
void queryDisplayStatus(IHdmiControlCallback callback) {
assertRunOnServiceThread();
if (hasAction(DevicePowerStatusAction.class)) {
Slog.w(TAG, "queryDisplayStatus already in progress");
invokeCallback(callback, HdmiControlManager.RESULT_ALREADY_IN_PROGRESS);
return;
}
DevicePowerStatusAction action = DevicePowerStatusAction.create(this,
Constants.ADDR_TV, callback);
if (action == null) {
Slog.w(TAG, "Cannot initiate queryDisplayStatus");
invokeCallback(callback, HdmiControlManager.RESULT_EXCEPTION);
return;
}
addAndStartAction(action);
}
@ServiceThreadOnly
private void invokeCallback(IHdmiControlCallback callback, int result) {
assertRunOnServiceThread();
try {
callback.onComplete(result);
} catch (RemoteException e) {
Slog.e(TAG, "Invoking callback failed:" + e);
}
}
@Override
@ServiceThreadOnly
void onHotplug(int portId, boolean connected) {
assertRunOnServiceThread();
mCecMessageCache.flushAll();
mIsActiveSource = false;
if (connected && mService.isPowerStandbyOrTransient()) {
mService.wakeUp();
}
}
@ServiceThreadOnly
void markActiveSource() {
assertRunOnServiceThread();
mIsActiveSource = true;
}
@Override
@ServiceThreadOnly
protected boolean handleActiveSource(HdmiCecMessage message) {
assertRunOnServiceThread();
int physicalAddress = HdmiUtils.twoBytesToInt(message.getParams());
mayResetActiveSource(physicalAddress);
return true; // Broadcast message.
}
private void mayResetActiveSource(int physicalAddress) {
if (physicalAddress != mService.getPhysicalAddress()) {
mIsActiveSource = false;
}
}
@Override
@ServiceThreadOnly
protected boolean handleSetStreamPath(HdmiCecMessage message) {
assertRunOnServiceThread();
int physicalAddress = HdmiUtils.twoBytesToInt(message.getParams());
maySetActiveSource(physicalAddress);
maySendActiveSource();
wakeUpIfActiveSource();
return true; // Broadcast message.
}
// Samsung model, we tested, sends <RoutingChange> and <RequestActiveSource> consecutively,
// Then if there is no <ActiveSource> response, it will change the input to
// the internal source. To handle this, we'll set ActiveSource aggressively.
@Override
@ServiceThreadOnly
protected boolean handleRoutingChange(HdmiCecMessage message) {
assertRunOnServiceThread();
int newPath = HdmiUtils.twoBytesToInt(message.getParams(), 2);
maySetActiveSource(newPath);
return true; // Broadcast message.
}
@Override
@ServiceThreadOnly
protected boolean handleRoutingInformation(HdmiCecMessage message) {
assertRunOnServiceThread();
int physicalAddress = HdmiUtils.twoBytesToInt(message.getParams());
maySetActiveSource(physicalAddress);
return true; // Broadcast message.
}
private void maySetActiveSource(int physicalAddress) {
if (physicalAddress == mService.getPhysicalAddress()) {
mIsActiveSource = true;
}
}
private void wakeUpIfActiveSource() {
if (mIsActiveSource && mService.isPowerStandbyOrTransient()) {
mService.wakeUp();
}
}
private void maySendActiveSource() {
if (mIsActiveSource) {
mService.sendCecCommand(HdmiCecMessageBuilder.buildActiveSource(
mAddress, mService.getPhysicalAddress()));
}
}
@Override
@ServiceThreadOnly
protected boolean handleRequestActiveSource(HdmiCecMessage message) {
assertRunOnServiceThread();
maySendActiveSource();
return true; // Broadcast message.
}
@Override
@ServiceThreadOnly
protected void disableDevice(boolean initiatedByCec, PendingActionClearedCallback callback) {
super.disableDevice(initiatedByCec, callback);
assertRunOnServiceThread();
if (!initiatedByCec && mIsActiveSource) {
mService.sendCecCommand(HdmiCecMessageBuilder.buildInactiveSource(
mAddress, mService.getPhysicalAddress()));
}
mIsActiveSource = false;
checkIfPendingActionsCleared();
}
@Override
protected void dump(final IndentingPrintWriter pw) {
super.dump(pw);
pw.println("mIsActiveSource: " + mIsActiveSource);
}
}
|