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
|
/*
**
** Copyright 2010, 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 "IEffectClient"
#include <utils/Log.h>
#include <stdint.h>
#include <sys/types.h>
#include <media/IEffectClient.h>
namespace android {
enum {
CONTROL_STATUS_CHANGED = IBinder::FIRST_CALL_TRANSACTION,
ENABLE_STATUS_CHANGED,
COMMAND_EXECUTED
};
class BpEffectClient: public BpInterface<IEffectClient>
{
public:
BpEffectClient(const sp<IBinder>& impl)
: BpInterface<IEffectClient>(impl)
{
}
void controlStatusChanged(bool controlGranted)
{
ALOGV("controlStatusChanged");
Parcel data, reply;
data.writeInterfaceToken(IEffectClient::getInterfaceDescriptor());
data.writeInt32((uint32_t)controlGranted);
remote()->transact(CONTROL_STATUS_CHANGED, data, &reply, IBinder::FLAG_ONEWAY);
}
void enableStatusChanged(bool enabled)
{
ALOGV("enableStatusChanged");
Parcel data, reply;
data.writeInterfaceToken(IEffectClient::getInterfaceDescriptor());
data.writeInt32((uint32_t)enabled);
remote()->transact(ENABLE_STATUS_CHANGED, data, &reply, IBinder::FLAG_ONEWAY);
}
void commandExecuted(uint32_t cmdCode,
uint32_t cmdSize,
void *pCmdData,
uint32_t replySize,
void *pReplyData)
{
ALOGV("commandExecuted");
Parcel data, reply;
data.writeInterfaceToken(IEffectClient::getInterfaceDescriptor());
data.writeInt32(cmdCode);
int size = cmdSize;
if (pCmdData == NULL) {
size = 0;
}
data.writeInt32(size);
if (size) {
data.write(pCmdData, size);
}
size = replySize;
if (pReplyData == NULL) {
size = 0;
}
data.writeInt32(size);
if (size) {
data.write(pReplyData, size);
}
remote()->transact(COMMAND_EXECUTED, data, &reply, IBinder::FLAG_ONEWAY);
}
};
IMPLEMENT_META_INTERFACE(EffectClient, "android.media.IEffectClient");
// ----------------------------------------------------------------------
status_t BnEffectClient::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case CONTROL_STATUS_CHANGED: {
ALOGV("CONTROL_STATUS_CHANGED");
CHECK_INTERFACE(IEffectClient, data, reply);
bool hasControl = (bool)data.readInt32();
controlStatusChanged(hasControl);
return NO_ERROR;
} break;
case ENABLE_STATUS_CHANGED: {
ALOGV("ENABLE_STATUS_CHANGED");
CHECK_INTERFACE(IEffectClient, data, reply);
bool enabled = (bool)data.readInt32();
enableStatusChanged(enabled);
return NO_ERROR;
} break;
case COMMAND_EXECUTED: {
ALOGV("COMMAND_EXECUTED");
CHECK_INTERFACE(IEffectClient, data, reply);
uint32_t cmdCode = data.readInt32();
uint32_t cmdSize = data.readInt32();
char *cmd = NULL;
if (cmdSize) {
cmd = (char *)malloc(cmdSize);
data.read(cmd, cmdSize);
}
uint32_t replySize = data.readInt32();
char *resp = NULL;
if (replySize) {
resp = (char *)malloc(replySize);
data.read(resp, replySize);
}
commandExecuted(cmdCode, cmdSize, cmd, replySize, resp);
if (cmd) {
free(cmd);
}
if (resp) {
free(resp);
}
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
}; // namespace android
|
