Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 1 | /* |
| 2 | ** |
| 3 | ** Copyright 2013, The Android Open Source Project |
| 4 | ** |
| 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
| 8 | ** |
| 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | ** |
| 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
| 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | //#define LOG_NDEBUG 0 |
| 19 | #define LOG_TAG "IProCameraCallbacks" |
| 20 | #include <utils/Log.h> |
| 21 | #include <stdint.h> |
| 22 | #include <sys/types.h> |
| 23 | |
| 24 | #include <binder/Parcel.h> |
| 25 | #include <gui/IGraphicBufferProducer.h> |
| 26 | #include <gui/Surface.h> |
| 27 | #include <utils/Mutex.h> |
| 28 | |
| 29 | #include <camera/IProCameraCallbacks.h> |
| 30 | |
Igor Murashkin | a91537e | 2013-02-21 12:02:29 -0800 | [diff] [blame] | 31 | #include <system/camera_metadata.h> |
| 32 | |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 33 | namespace android { |
| 34 | |
| 35 | enum { |
| 36 | NOTIFY_CALLBACK = IBinder::FIRST_CALL_TRANSACTION, |
| 37 | DATA_CALLBACK, |
| 38 | DATA_CALLBACK_TIMESTAMP, |
Igor Murashkin | 5376573 | 2013-02-20 17:41:57 -0800 | [diff] [blame] | 39 | LOCK_STATUS_CHANGED, |
Igor Murashkin | a91537e | 2013-02-21 12:02:29 -0800 | [diff] [blame] | 40 | RESULT_RECEIVED, |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 41 | }; |
| 42 | |
Igor Murashkin | a91537e | 2013-02-21 12:02:29 -0800 | [diff] [blame] | 43 | void readMetadata(const Parcel& data, camera_metadata_t** out); |
| 44 | void writeMetadata(Parcel& data, camera_metadata_t* metadata); |
| 45 | |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 46 | class BpProCameraCallbacks: public BpInterface<IProCameraCallbacks> |
| 47 | { |
| 48 | public: |
| 49 | BpProCameraCallbacks(const sp<IBinder>& impl) |
| 50 | : BpInterface<IProCameraCallbacks>(impl) |
| 51 | { |
| 52 | } |
| 53 | |
| 54 | // generic callback from camera service to app |
| 55 | void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2) |
| 56 | { |
| 57 | ALOGV("notifyCallback"); |
| 58 | Parcel data, reply; |
| 59 | data.writeInterfaceToken(IProCameraCallbacks::getInterfaceDescriptor()); |
| 60 | data.writeInt32(msgType); |
| 61 | data.writeInt32(ext1); |
| 62 | data.writeInt32(ext2); |
| 63 | remote()->transact(NOTIFY_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY); |
| 64 | } |
| 65 | |
| 66 | // generic data callback from camera service to app with image data |
| 67 | void dataCallback(int32_t msgType, const sp<IMemory>& imageData, |
| 68 | camera_frame_metadata_t *metadata) |
| 69 | { |
| 70 | ALOGV("dataCallback"); |
| 71 | Parcel data, reply; |
| 72 | data.writeInterfaceToken(IProCameraCallbacks::getInterfaceDescriptor()); |
| 73 | data.writeInt32(msgType); |
| 74 | data.writeStrongBinder(imageData->asBinder()); |
| 75 | if (metadata) { |
| 76 | data.writeInt32(metadata->number_of_faces); |
| 77 | data.write(metadata->faces, |
| 78 | sizeof(camera_face_t) * metadata->number_of_faces); |
| 79 | } |
| 80 | remote()->transact(DATA_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY); |
| 81 | } |
| 82 | |
| 83 | // generic data callback from camera service to app with image data |
| 84 | void dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, |
| 85 | const sp<IMemory>& imageData) |
| 86 | { |
| 87 | ALOGV("dataCallback"); |
| 88 | Parcel data, reply; |
| 89 | data.writeInterfaceToken(IProCameraCallbacks::getInterfaceDescriptor()); |
| 90 | data.writeInt64(timestamp); |
| 91 | data.writeInt32(msgType); |
| 92 | data.writeStrongBinder(imageData->asBinder()); |
| 93 | remote()->transact(DATA_CALLBACK_TIMESTAMP, data, &reply, |
| 94 | IBinder::FLAG_ONEWAY); |
| 95 | } |
Igor Murashkin | 5376573 | 2013-02-20 17:41:57 -0800 | [diff] [blame] | 96 | |
| 97 | void onLockStatusChanged(LockStatus newLockStatus) { |
| 98 | ALOGV("onLockStatusChanged"); |
| 99 | Parcel data, reply; |
| 100 | data.writeInterfaceToken(IProCameraCallbacks::getInterfaceDescriptor()); |
| 101 | data.writeInt32(newLockStatus); |
| 102 | remote()->transact(LOCK_STATUS_CHANGED, data, &reply, |
| 103 | IBinder::FLAG_ONEWAY); |
| 104 | } |
Igor Murashkin | a91537e | 2013-02-21 12:02:29 -0800 | [diff] [blame] | 105 | |
| 106 | void onResultReceived(int32_t frameId, camera_metadata* result) { |
| 107 | ALOGV("onResultReceived"); |
| 108 | Parcel data, reply; |
| 109 | data.writeInterfaceToken(IProCameraCallbacks::getInterfaceDescriptor()); |
| 110 | data.writeInt32(frameId); |
| 111 | writeMetadata(data, result); |
| 112 | remote()->transact(RESULT_RECEIVED, data, &reply, IBinder::FLAG_ONEWAY); |
| 113 | } |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 114 | }; |
| 115 | |
| 116 | IMPLEMENT_META_INTERFACE(ProCameraCallbacks, |
| 117 | "android.hardware.IProCameraCallbacks"); |
| 118 | |
| 119 | // ---------------------------------------------------------------------- |
| 120 | |
| 121 | status_t BnProCameraCallbacks::onTransact( |
| 122 | uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) |
| 123 | { |
Igor Murashkin | 5376573 | 2013-02-20 17:41:57 -0800 | [diff] [blame] | 124 | ALOGV("onTransact - code = %d", code); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 125 | switch(code) { |
| 126 | case NOTIFY_CALLBACK: { |
| 127 | ALOGV("NOTIFY_CALLBACK"); |
| 128 | CHECK_INTERFACE(IProCameraCallbacks, data, reply); |
| 129 | int32_t msgType = data.readInt32(); |
| 130 | int32_t ext1 = data.readInt32(); |
| 131 | int32_t ext2 = data.readInt32(); |
| 132 | notifyCallback(msgType, ext1, ext2); |
| 133 | return NO_ERROR; |
| 134 | } break; |
| 135 | case DATA_CALLBACK: { |
| 136 | ALOGV("DATA_CALLBACK"); |
| 137 | CHECK_INTERFACE(IProCameraCallbacks, data, reply); |
| 138 | int32_t msgType = data.readInt32(); |
| 139 | sp<IMemory> imageData = interface_cast<IMemory>( |
| 140 | data.readStrongBinder()); |
| 141 | camera_frame_metadata_t *metadata = NULL; |
| 142 | if (data.dataAvail() > 0) { |
| 143 | metadata = new camera_frame_metadata_t; |
| 144 | metadata->number_of_faces = data.readInt32(); |
| 145 | metadata->faces = (camera_face_t *) data.readInplace( |
| 146 | sizeof(camera_face_t) * metadata->number_of_faces); |
| 147 | } |
| 148 | dataCallback(msgType, imageData, metadata); |
| 149 | if (metadata) delete metadata; |
| 150 | return NO_ERROR; |
| 151 | } break; |
| 152 | case DATA_CALLBACK_TIMESTAMP: { |
| 153 | ALOGV("DATA_CALLBACK_TIMESTAMP"); |
| 154 | CHECK_INTERFACE(IProCameraCallbacks, data, reply); |
| 155 | nsecs_t timestamp = data.readInt64(); |
| 156 | int32_t msgType = data.readInt32(); |
| 157 | sp<IMemory> imageData = interface_cast<IMemory>( |
| 158 | data.readStrongBinder()); |
| 159 | dataCallbackTimestamp(timestamp, msgType, imageData); |
| 160 | return NO_ERROR; |
| 161 | } break; |
Igor Murashkin | 5376573 | 2013-02-20 17:41:57 -0800 | [diff] [blame] | 162 | case LOCK_STATUS_CHANGED: { |
| 163 | ALOGV("LOCK_STATUS_CHANGED"); |
| 164 | CHECK_INTERFACE(IProCameraCallbacks, data, reply); |
| 165 | LockStatus newLockStatus |
| 166 | = static_cast<LockStatus>(data.readInt32()); |
| 167 | onLockStatusChanged(newLockStatus); |
| 168 | return NO_ERROR; |
| 169 | } break; |
Igor Murashkin | a91537e | 2013-02-21 12:02:29 -0800 | [diff] [blame] | 170 | case RESULT_RECEIVED: { |
| 171 | ALOGV("RESULT_RECEIVED"); |
| 172 | CHECK_INTERFACE(IProCameraCallbacks, data, reply); |
| 173 | int32_t frameId = data.readInt32(); |
| 174 | camera_metadata_t *result = NULL; |
| 175 | readMetadata(data, &result); |
| 176 | onResultReceived(frameId, result); |
| 177 | return NO_ERROR; |
| 178 | break; |
| 179 | } |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 180 | default: |
| 181 | return BBinder::onTransact(code, data, reply, flags); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | // ---------------------------------------------------------------------------- |
| 186 | |
| 187 | }; // namespace android |
| 188 | |