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