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 | |
Igor Murashkin | e7ee763 | 2013-06-11 18:10:18 -0700 | [diff] [blame] | 18 | // #define LOG_NDEBUG 0 |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 19 | #define LOG_TAG "IProCameraUser" |
| 20 | #include <utils/Log.h> |
| 21 | #include <stdint.h> |
| 22 | #include <sys/types.h> |
| 23 | #include <binder/Parcel.h> |
| 24 | #include <camera/IProCameraUser.h> |
| 25 | #include <gui/IGraphicBufferProducer.h> |
| 26 | #include <gui/Surface.h> |
Igor Murashkin | e7ee763 | 2013-06-11 18:10:18 -0700 | [diff] [blame] | 27 | #include "camera/CameraMetadata.h" |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 28 | |
| 29 | namespace android { |
| 30 | |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 31 | enum { |
| 32 | DISCONNECT = IBinder::FIRST_CALL_TRANSACTION, |
| 33 | CONNECT, |
| 34 | EXCLUSIVE_TRY_LOCK, |
| 35 | EXCLUSIVE_LOCK, |
| 36 | EXCLUSIVE_UNLOCK, |
| 37 | HAS_EXCLUSIVE_LOCK, |
| 38 | SUBMIT_REQUEST, |
| 39 | CANCEL_REQUEST, |
Igor Murashkin | fa4cf9d | 2013-03-04 16:14:23 -0800 | [diff] [blame] | 40 | DELETE_STREAM, |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 41 | CREATE_STREAM, |
| 42 | CREATE_DEFAULT_REQUEST, |
Igor Murashkin | 7b33a74 | 2013-02-21 13:49:26 -0800 | [diff] [blame] | 43 | GET_CAMERA_INFO, |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 44 | }; |
| 45 | |
| 46 | class BpProCameraUser: public BpInterface<IProCameraUser> |
| 47 | { |
| 48 | public: |
| 49 | BpProCameraUser(const sp<IBinder>& impl) |
| 50 | : BpInterface<IProCameraUser>(impl) |
| 51 | { |
| 52 | } |
| 53 | |
| 54 | // disconnect from camera service |
| 55 | void disconnect() |
| 56 | { |
| 57 | ALOGV("disconnect"); |
| 58 | Parcel data, reply; |
| 59 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 60 | remote()->transact(DISCONNECT, data, &reply); |
Igor Murashkin | bef3f23 | 2013-05-30 17:47:38 -0700 | [diff] [blame] | 61 | reply.readExceptionCode(); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | virtual status_t connect(const sp<IProCameraCallbacks>& cameraClient) |
| 65 | { |
| 66 | Parcel data, reply; |
| 67 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 68 | data.writeStrongBinder(cameraClient->asBinder()); |
| 69 | remote()->transact(CONNECT, data, &reply); |
| 70 | return reply.readInt32(); |
| 71 | } |
| 72 | |
| 73 | /* Shared ProCameraUser */ |
| 74 | |
| 75 | virtual status_t exclusiveTryLock() |
| 76 | { |
| 77 | Parcel data, reply; |
| 78 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 79 | remote()->transact(EXCLUSIVE_TRY_LOCK, data, &reply); |
| 80 | return reply.readInt32(); |
| 81 | } |
| 82 | virtual status_t exclusiveLock() |
| 83 | { |
| 84 | Parcel data, reply; |
| 85 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 86 | remote()->transact(EXCLUSIVE_LOCK, data, &reply); |
| 87 | return reply.readInt32(); |
| 88 | } |
| 89 | |
| 90 | virtual status_t exclusiveUnlock() |
| 91 | { |
| 92 | Parcel data, reply; |
| 93 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 94 | remote()->transact(EXCLUSIVE_UNLOCK, data, &reply); |
| 95 | return reply.readInt32(); |
| 96 | } |
| 97 | |
| 98 | virtual bool hasExclusiveLock() |
| 99 | { |
| 100 | Parcel data, reply; |
| 101 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 102 | remote()->transact(HAS_EXCLUSIVE_LOCK, data, &reply); |
| 103 | return !!reply.readInt32(); |
| 104 | } |
| 105 | |
| 106 | virtual int submitRequest(camera_metadata_t* metadata, bool streaming) |
| 107 | { |
| 108 | |
| 109 | Parcel data, reply; |
| 110 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 111 | |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 112 | // arg0+arg1 |
Igor Murashkin | e7ee763 | 2013-06-11 18:10:18 -0700 | [diff] [blame] | 113 | CameraMetadata::writeToParcel(data, metadata); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 114 | |
| 115 | // arg2 = streaming (bool) |
| 116 | data.writeInt32(streaming); |
| 117 | |
| 118 | remote()->transact(SUBMIT_REQUEST, data, &reply); |
| 119 | return reply.readInt32(); |
| 120 | } |
| 121 | |
| 122 | virtual status_t cancelRequest(int requestId) |
| 123 | { |
| 124 | Parcel data, reply; |
| 125 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 126 | data.writeInt32(requestId); |
| 127 | |
| 128 | remote()->transact(CANCEL_REQUEST, data, &reply); |
| 129 | return reply.readInt32(); |
| 130 | } |
| 131 | |
Igor Murashkin | fa4cf9d | 2013-03-04 16:14:23 -0800 | [diff] [blame] | 132 | virtual status_t deleteStream(int streamId) |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 133 | { |
| 134 | Parcel data, reply; |
| 135 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 136 | data.writeInt32(streamId); |
| 137 | |
Igor Murashkin | fa4cf9d | 2013-03-04 16:14:23 -0800 | [diff] [blame] | 138 | remote()->transact(DELETE_STREAM, data, &reply); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 139 | return reply.readInt32(); |
| 140 | } |
| 141 | |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 142 | virtual status_t createStream(int width, int height, int format, |
Igor Murashkin | 76f8b43 | 2013-02-20 19:15:15 -0800 | [diff] [blame] | 143 | const sp<IGraphicBufferProducer>& bufferProducer, |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 144 | /*out*/ |
| 145 | int* streamId) |
| 146 | { |
| 147 | Parcel data, reply; |
| 148 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 149 | data.writeInt32(width); |
| 150 | data.writeInt32(height); |
| 151 | data.writeInt32(format); |
| 152 | |
Igor Murashkin | 76f8b43 | 2013-02-20 19:15:15 -0800 | [diff] [blame] | 153 | sp<IBinder> b(bufferProducer->asBinder()); |
| 154 | data.writeStrongBinder(b); |
| 155 | |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 156 | remote()->transact(CREATE_STREAM, data, &reply); |
| 157 | |
| 158 | int sId = reply.readInt32(); |
| 159 | if (streamId) { |
| 160 | *streamId = sId; |
| 161 | } |
| 162 | return reply.readInt32(); |
| 163 | } |
| 164 | |
| 165 | // Create a request object from a template. |
| 166 | virtual status_t createDefaultRequest(int templateId, |
| 167 | /*out*/ |
| 168 | camera_metadata** request) |
| 169 | { |
| 170 | Parcel data, reply; |
| 171 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 172 | data.writeInt32(templateId); |
| 173 | remote()->transact(CREATE_DEFAULT_REQUEST, data, &reply); |
Igor Murashkin | e7ee763 | 2013-06-11 18:10:18 -0700 | [diff] [blame] | 174 | CameraMetadata::readFromParcel(reply, /*out*/request); |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 175 | return reply.readInt32(); |
| 176 | } |
| 177 | |
| 178 | |
Igor Murashkin | 7b33a74 | 2013-02-21 13:49:26 -0800 | [diff] [blame] | 179 | virtual status_t getCameraInfo(int cameraId, camera_metadata** info) |
| 180 | { |
| 181 | Parcel data, reply; |
| 182 | data.writeInterfaceToken(IProCameraUser::getInterfaceDescriptor()); |
| 183 | data.writeInt32(cameraId); |
| 184 | remote()->transact(GET_CAMERA_INFO, data, &reply); |
Igor Murashkin | e7ee763 | 2013-06-11 18:10:18 -0700 | [diff] [blame] | 185 | CameraMetadata::readFromParcel(reply, /*out*/info); |
Igor Murashkin | 7b33a74 | 2013-02-21 13:49:26 -0800 | [diff] [blame] | 186 | return reply.readInt32(); |
| 187 | } |
| 188 | |
| 189 | |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 190 | private: |
| 191 | |
| 192 | |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 193 | }; |
| 194 | |
| 195 | IMPLEMENT_META_INTERFACE(ProCameraUser, "android.hardware.IProCameraUser"); |
| 196 | |
| 197 | // ---------------------------------------------------------------------- |
| 198 | |
| 199 | status_t BnProCameraUser::onTransact( |
| 200 | uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) |
| 201 | { |
| 202 | switch(code) { |
| 203 | case DISCONNECT: { |
| 204 | ALOGV("DISCONNECT"); |
| 205 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 206 | disconnect(); |
Igor Murashkin | bef3f23 | 2013-05-30 17:47:38 -0700 | [diff] [blame] | 207 | reply->writeNoException(); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 208 | return NO_ERROR; |
| 209 | } break; |
| 210 | case CONNECT: { |
| 211 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 212 | sp<IProCameraCallbacks> cameraClient = |
| 213 | interface_cast<IProCameraCallbacks>(data.readStrongBinder()); |
| 214 | reply->writeInt32(connect(cameraClient)); |
| 215 | return NO_ERROR; |
| 216 | } break; |
| 217 | |
| 218 | /* Shared ProCameraUser */ |
| 219 | case EXCLUSIVE_TRY_LOCK: { |
| 220 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 221 | reply->writeInt32(exclusiveTryLock()); |
| 222 | return NO_ERROR; |
| 223 | } break; |
| 224 | case EXCLUSIVE_LOCK: { |
| 225 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 226 | reply->writeInt32(exclusiveLock()); |
| 227 | return NO_ERROR; |
| 228 | } break; |
| 229 | case EXCLUSIVE_UNLOCK: { |
| 230 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 231 | reply->writeInt32(exclusiveUnlock()); |
| 232 | return NO_ERROR; |
| 233 | } break; |
| 234 | case HAS_EXCLUSIVE_LOCK: { |
| 235 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 236 | reply->writeInt32(hasExclusiveLock()); |
| 237 | return NO_ERROR; |
| 238 | } break; |
| 239 | case SUBMIT_REQUEST: { |
| 240 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 241 | camera_metadata_t* metadata; |
Igor Murashkin | e7ee763 | 2013-06-11 18:10:18 -0700 | [diff] [blame] | 242 | CameraMetadata::readFromParcel(data, /*out*/&metadata); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 243 | |
| 244 | // arg2 = streaming (bool) |
| 245 | bool streaming = data.readInt32(); |
| 246 | |
| 247 | // return code: requestId (int32) |
| 248 | reply->writeInt32(submitRequest(metadata, streaming)); |
| 249 | |
| 250 | return NO_ERROR; |
| 251 | } break; |
| 252 | case CANCEL_REQUEST: { |
| 253 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 254 | int requestId = data.readInt32(); |
| 255 | reply->writeInt32(cancelRequest(requestId)); |
| 256 | return NO_ERROR; |
| 257 | } break; |
Igor Murashkin | fa4cf9d | 2013-03-04 16:14:23 -0800 | [diff] [blame] | 258 | case DELETE_STREAM: { |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 259 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 260 | int streamId = data.readInt32(); |
Igor Murashkin | fa4cf9d | 2013-03-04 16:14:23 -0800 | [diff] [blame] | 261 | reply->writeInt32(deleteStream(streamId)); |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 262 | return NO_ERROR; |
| 263 | } break; |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 264 | case CREATE_STREAM: { |
| 265 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 266 | int width, height, format; |
| 267 | |
| 268 | width = data.readInt32(); |
| 269 | height = data.readInt32(); |
| 270 | format = data.readInt32(); |
| 271 | |
Igor Murashkin | 76f8b43 | 2013-02-20 19:15:15 -0800 | [diff] [blame] | 272 | sp<IGraphicBufferProducer> bp = |
| 273 | interface_cast<IGraphicBufferProducer>(data.readStrongBinder()); |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 274 | |
| 275 | int streamId = -1; |
| 276 | status_t ret; |
Igor Murashkin | 76f8b43 | 2013-02-20 19:15:15 -0800 | [diff] [blame] | 277 | ret = createStream(width, height, format, bp, &streamId); |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 278 | |
| 279 | reply->writeInt32(streamId); |
| 280 | reply->writeInt32(ret); |
| 281 | |
| 282 | return NO_ERROR; |
| 283 | } break; |
| 284 | |
| 285 | case CREATE_DEFAULT_REQUEST: { |
| 286 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 287 | |
| 288 | int templateId = data.readInt32(); |
| 289 | |
| 290 | camera_metadata_t* request = NULL; |
| 291 | status_t ret; |
| 292 | ret = createDefaultRequest(templateId, &request); |
| 293 | |
Igor Murashkin | e7ee763 | 2013-06-11 18:10:18 -0700 | [diff] [blame] | 294 | CameraMetadata::writeToParcel(*reply, request); |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 295 | reply->writeInt32(ret); |
| 296 | |
Igor Murashkin | 7b33a74 | 2013-02-21 13:49:26 -0800 | [diff] [blame] | 297 | free_camera_metadata(request); |
| 298 | |
| 299 | return NO_ERROR; |
| 300 | } break; |
| 301 | case GET_CAMERA_INFO: { |
| 302 | CHECK_INTERFACE(IProCameraUser, data, reply); |
| 303 | |
| 304 | int cameraId = data.readInt32(); |
| 305 | |
| 306 | camera_metadata_t* info = NULL; |
| 307 | status_t ret; |
| 308 | ret = getCameraInfo(cameraId, &info); |
| 309 | |
Igor Murashkin | e7ee763 | 2013-06-11 18:10:18 -0700 | [diff] [blame] | 310 | CameraMetadata::writeToParcel(*reply, info); |
Igor Murashkin | 7b33a74 | 2013-02-21 13:49:26 -0800 | [diff] [blame] | 311 | reply->writeInt32(ret); |
| 312 | |
| 313 | free_camera_metadata(info); |
| 314 | |
Igor Murashkin | 985fd30 | 2013-02-20 18:24:43 -0800 | [diff] [blame] | 315 | return NO_ERROR; |
| 316 | } break; |
Igor Murashkin | 634a515 | 2013-02-20 17:15:11 -0800 | [diff] [blame] | 317 | default: |
| 318 | return BBinder::onTransact(code, data, reply, flags); |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | // ---------------------------------------------------------------------------- |
| 323 | |
| 324 | }; // namespace android |