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
|
/*
* Copyright (C) 2016 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 android.hardware.tv.input@1.0;
import android.hardware.audio.common@2.0;
enum Result {
OK,
UNKNOWN,
NO_RESOURCE,
INVALID_ARGUMENTS,
INVALID_STATE,
};
/* Type of physical TV input. */
enum TvInputType {
OTHER = 1, // Generic hardware.
TUNER = 2, // Tuner. e.g. built-in terrestrial tuner
COMPOSITE = 3,
SVIDEO = 4,
SCART = 5,
COMPONENT = 6,
VGA = 7,
DVI = 8,
HDMI = 9, // Physical HDMI port. e.g. HDMI 1
DISPLAY_PORT = 10,
};
struct TvInputDeviceInfo {
int32_t deviceId;
TvInputType type;
uint32_t portId; // HDMI port ID number. e.g. 2 for HDMI 2
AudioDevice audioType; // Audio device type. e.g AudioDevice::IN_HDMI
uint8_t[32] audioAddress; // Audio device address. "" if N/A. If the text
// length is less than 32, the remaining part
// must be filled with 0s.
};
enum TvInputEventType {
/*
* Hardware notifies the framework that a device is available.
*
* Note that DEVICE_AVAILABLE and DEVICE_UNAVAILABLE events do not represent
* hotplug events (i.e. plugging cable into or out of the physical port).
* These events notify the framework whether the port is available or not.
* For a concrete example, when a user plugs in or pulls out the HDMI cable
* from a HDMI port, it does not generate DEVICE_AVAILABLE and/or
* DEVICE_UNAVAILABLE events. However, if a user inserts a pluggable USB
* tuner into the Android device, it must generate a DEVICE_AVAILABLE event
* and when the port is removed, it must generate a DEVICE_UNAVAILABLE
* event.
*
* For hotplug events, please see STREAM_CONFIGURATION_CHANGED for more
* details.
*
* HAL implementation must register devices by using this event when the
* device boots up. The framework must recognize device reported via this
* event only.
*/
DEVICE_AVAILABLE = 1,
/*
* Hardware notifies the framework that a device is unavailable.
*
* HAL implementation must generate this event when a device registered
* by DEVICE_AVAILABLE is no longer available. For example,
* the event can indicate that a USB tuner is plugged out from the Android
* device.
*
* Note that this event is not for indicating cable plugged out of the port;
* for that purpose, the implementation must use
* STREAM_CONFIGURATION_CHANGED event. This event represents the port itself
* being no longer available.
*/
DEVICE_UNAVAILABLE = 2,
/*
* Stream configurations are changed. Client must regard all open streams
* at the specific device are closed, and must call
* getStreamConfigurations() again, opening some of them if necessary.
*
* HAL implementation must generate this event when the available stream
* configurations change for any reason. A typical use case of this event
* is to notify the framework that the input signal has changed resolution,
* or that the cable is plugged out so that the number of available streams
* is 0.
*
* The implementation must use this event to indicate hotplug status of the
* port. the framework regards input devices with no available streams as
* disconnected, so the implementation can generate this event with no
* available streams to indicate that this device is disconnected, and vice
* versa.
*/
STREAM_CONFIGURATIONS_CHANGED = 3,
};
struct TvInputEvent {
TvInputEventType type;
/*
* DEVICE_AVAILABLE: all fields are relevant.
* DEVICE_UNAVAILABLE: only deviceId is relevant.
* STREAM_CONFIGURATIONS_CHANGED: only deviceId is relevant.
*/
TvInputDeviceInfo deviceInfo;
};
struct TvStreamConfig {
int32_t streamId;
uint32_t maxVideoWidth; // Max width of the stream.
uint32_t maxVideoHeight; // Max height of the stream.
};
|
