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1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 //#define LOG_NDEBUG 0
18 #define LOG_TAG "ICameraRecordingProxy"
19 #include <camera/ICameraRecordingProxy.h>
20 #include <camera/ICameraRecordingProxyListener.h>
21 #include <binder/IMemory.h>
22 #include <binder/Parcel.h>
23 #include <stdint.h>
24 #include <utils/Log.h>
25 
26 namespace android {
27 
28 enum {
29     START_RECORDING = IBinder::FIRST_CALL_TRANSACTION,
30     STOP_RECORDING,
31     RELEASE_RECORDING_FRAME,
32 };
33 
34 
35 class BpCameraRecordingProxy: public BpInterface<ICameraRecordingProxy>
36 {
37 public:
BpCameraRecordingProxy(const sp<IBinder> & impl)38     BpCameraRecordingProxy(const sp<IBinder>& impl)
39         : BpInterface<ICameraRecordingProxy>(impl)
40     {
41     }
42 
startRecording(const sp<ICameraRecordingProxyListener> & listener)43     status_t startRecording(const sp<ICameraRecordingProxyListener>& listener)
44     {
45         LOGV("startRecording");
46         Parcel data, reply;
47         data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
48         data.writeStrongBinder(listener->asBinder());
49         remote()->transact(START_RECORDING, data, &reply);
50         return reply.readInt32();
51     }
52 
stopRecording()53     void stopRecording()
54     {
55         LOGV("stopRecording");
56         Parcel data, reply;
57         data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
58         remote()->transact(STOP_RECORDING, data, &reply);
59     }
60 
releaseRecordingFrame(const sp<IMemory> & mem)61     void releaseRecordingFrame(const sp<IMemory>& mem)
62     {
63         LOGV("releaseRecordingFrame");
64         Parcel data, reply;
65         data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
66         data.writeStrongBinder(mem->asBinder());
67         remote()->transact(RELEASE_RECORDING_FRAME, data, &reply);
68     }
69 };
70 
71 IMPLEMENT_META_INTERFACE(CameraRecordingProxy, "android.hardware.ICameraRecordingProxy");
72 
73 // ----------------------------------------------------------------------
74 
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)75 status_t BnCameraRecordingProxy::onTransact(
76     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
77 {
78     switch(code) {
79         case START_RECORDING: {
80             LOGV("START_RECORDING");
81             CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
82             sp<ICameraRecordingProxyListener> listener =
83                 interface_cast<ICameraRecordingProxyListener>(data.readStrongBinder());
84             reply->writeInt32(startRecording(listener));
85             return NO_ERROR;
86         } break;
87         case STOP_RECORDING: {
88             LOGV("STOP_RECORDING");
89             CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
90             stopRecording();
91             return NO_ERROR;
92         } break;
93         case RELEASE_RECORDING_FRAME: {
94             LOGV("RELEASE_RECORDING_FRAME");
95             CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
96             sp<IMemory> mem = interface_cast<IMemory>(data.readStrongBinder());
97             releaseRecordingFrame(mem);
98             return NO_ERROR;
99         } break;
100 
101         default:
102             return BBinder::onTransact(code, data, reply, flags);
103     }
104 }
105 
106 // ----------------------------------------------------------------------------
107 
108 }; // namespace android
109 
110