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
|
/*
**
** Copyright 2013, 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 "ICameraDeviceCallbacks"
#include <utils/Log.h>
#include <stdint.h>
#include <sys/types.h>
#include <binder/Parcel.h>
#include <gui/IGraphicBufferProducer.h>
#include <gui/Surface.h>
#include <utils/Mutex.h>
#include <camera/camera2/ICameraDeviceCallbacks.h>
#include "camera/CameraMetadata.h"
#include "camera/CaptureResult.h"
namespace android {
enum {
CAMERA_ERROR = IBinder::FIRST_CALL_TRANSACTION,
CAMERA_IDLE,
CAPTURE_STARTED,
RESULT_RECEIVED,
};
class BpCameraDeviceCallbacks: public BpInterface<ICameraDeviceCallbacks>
{
public:
BpCameraDeviceCallbacks(const sp<IBinder>& impl)
: BpInterface<ICameraDeviceCallbacks>(impl)
{
}
void onDeviceError(CameraErrorCode errorCode, const CaptureResultExtras& resultExtras)
{
ALOGV("onDeviceError");
Parcel data, reply;
data.writeInterfaceToken(ICameraDeviceCallbacks::getInterfaceDescriptor());
data.writeInt32(static_cast<int32_t>(errorCode));
data.writeInt32(1); // to mark presence of CaptureResultExtras object
resultExtras.writeToParcel(&data);
remote()->transact(CAMERA_ERROR, data, &reply, IBinder::FLAG_ONEWAY);
data.writeNoException();
}
void onDeviceIdle()
{
ALOGV("onDeviceIdle");
Parcel data, reply;
data.writeInterfaceToken(ICameraDeviceCallbacks::getInterfaceDescriptor());
remote()->transact(CAMERA_IDLE, data, &reply, IBinder::FLAG_ONEWAY);
data.writeNoException();
}
void onCaptureStarted(const CaptureResultExtras& result, int64_t timestamp)
{
ALOGV("onCaptureStarted");
Parcel data, reply;
data.writeInterfaceToken(ICameraDeviceCallbacks::getInterfaceDescriptor());
data.writeInt32(1); // to mark presence of CaptureResultExtras object
result.writeToParcel(&data);
data.writeInt64(timestamp);
remote()->transact(CAPTURE_STARTED, data, &reply, IBinder::FLAG_ONEWAY);
data.writeNoException();
}
void onResultReceived(const CameraMetadata& metadata,
const CaptureResultExtras& resultExtras) {
ALOGV("onResultReceived");
Parcel data, reply;
data.writeInterfaceToken(ICameraDeviceCallbacks::getInterfaceDescriptor());
data.writeInt32(1); // to mark presence of metadata object
metadata.writeToParcel(&data);
data.writeInt32(1); // to mark presence of CaptureResult object
resultExtras.writeToParcel(&data);
remote()->transact(RESULT_RECEIVED, data, &reply, IBinder::FLAG_ONEWAY);
data.writeNoException();
}
};
IMPLEMENT_META_INTERFACE(CameraDeviceCallbacks,
"android.hardware.camera2.ICameraDeviceCallbacks");
// ----------------------------------------------------------------------
status_t BnCameraDeviceCallbacks::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
ALOGV("onTransact - code = %d", code);
switch(code) {
case CAMERA_ERROR: {
ALOGV("onDeviceError");
CHECK_INTERFACE(ICameraDeviceCallbacks, data, reply);
CameraErrorCode errorCode =
static_cast<CameraErrorCode>(data.readInt32());
CaptureResultExtras resultExtras;
if (data.readInt32() != 0) {
resultExtras.readFromParcel(const_cast<Parcel*>(&data));
} else {
ALOGE("No CaptureResultExtras object is present!");
}
onDeviceError(errorCode, resultExtras);
data.readExceptionCode();
return NO_ERROR;
} break;
case CAMERA_IDLE: {
ALOGV("onDeviceIdle");
CHECK_INTERFACE(ICameraDeviceCallbacks, data, reply);
onDeviceIdle();
data.readExceptionCode();
return NO_ERROR;
} break;
case CAPTURE_STARTED: {
ALOGV("onCaptureStarted");
CHECK_INTERFACE(ICameraDeviceCallbacks, data, reply);
CaptureResultExtras result;
if (data.readInt32() != 0) {
result.readFromParcel(const_cast<Parcel*>(&data));
} else {
ALOGE("No CaptureResultExtras object is present in result!");
}
int64_t timestamp = data.readInt64();
onCaptureStarted(result, timestamp);
data.readExceptionCode();
return NO_ERROR;
} break;
case RESULT_RECEIVED: {
ALOGV("onResultReceived");
CHECK_INTERFACE(ICameraDeviceCallbacks, data, reply);
CameraMetadata metadata;
if (data.readInt32() != 0) {
metadata.readFromParcel(const_cast<Parcel*>(&data));
} else {
ALOGW("No metadata object is present in result");
}
CaptureResultExtras resultExtras;
if (data.readInt32() != 0) {
resultExtras.readFromParcel(const_cast<Parcel*>(&data));
} else {
ALOGW("No capture result extras object is present in result");
}
onResultReceived(metadata, resultExtras);
data.readExceptionCode();
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
}; // namespace android
|
