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
|
/*
**
** Copyright 2008, 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.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "ICameraClient"
#include <utils/Log.h>
#include <stdint.h>
#include <sys/types.h>
#include <camera/ICameraClient.h>
namespace android {
enum {
NOTIFY_CALLBACK = IBinder::FIRST_CALL_TRANSACTION,
DATA_CALLBACK,
DATA_CALLBACK_TIMESTAMP,
};
class BpCameraClient: public BpInterface<ICameraClient>
{
public:
BpCameraClient(const sp<IBinder>& impl)
: BpInterface<ICameraClient>(impl)
{
}
// generic callback from camera service to app
void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2)
{
LOGV("notifyCallback");
Parcel data, reply;
data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
data.writeInt32(msgType);
data.writeInt32(ext1);
data.writeInt32(ext2);
remote()->transact(NOTIFY_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
}
// generic data callback from camera service to app with image data
void dataCallback(int32_t msgType, const sp<IMemory>& imageData)
{
LOGV("dataCallback");
Parcel data, reply;
data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
data.writeInt32(msgType);
data.writeStrongBinder(imageData->asBinder());
remote()->transact(DATA_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
}
// generic data callback from camera service to app with image data
void dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& imageData)
{
LOGV("dataCallback");
Parcel data, reply;
data.writeInterfaceToken(ICameraClient::getInterfaceDescriptor());
data.writeInt64(timestamp);
data.writeInt32(msgType);
data.writeStrongBinder(imageData->asBinder());
remote()->transact(DATA_CALLBACK_TIMESTAMP, data, &reply, IBinder::FLAG_ONEWAY);
}
};
IMPLEMENT_META_INTERFACE(CameraClient, "android.hardware.ICameraClient");
// ----------------------------------------------------------------------
status_t BnCameraClient::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case NOTIFY_CALLBACK: {
LOGV("NOTIFY_CALLBACK");
CHECK_INTERFACE(ICameraClient, data, reply);
int32_t msgType = data.readInt32();
int32_t ext1 = data.readInt32();
int32_t ext2 = data.readInt32();
notifyCallback(msgType, ext1, ext2);
return NO_ERROR;
} break;
case DATA_CALLBACK: {
LOGV("DATA_CALLBACK");
CHECK_INTERFACE(ICameraClient, data, reply);
int32_t msgType = data.readInt32();
sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder());
dataCallback(msgType, imageData);
return NO_ERROR;
} break;
case DATA_CALLBACK_TIMESTAMP: {
LOGV("DATA_CALLBACK_TIMESTAMP");
CHECK_INTERFACE(ICameraClient, data, reply);
nsecs_t timestamp = data.readInt64();
int32_t msgType = data.readInt32();
sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder());
dataCallbackTimestamp(timestamp, msgType, imageData);
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
}; // namespace android
|
