1 /* 2 * Copyright (C) 2016 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 #include <string.h> 18 #include <cutils/log.h> 19 #include <hardware/hardware.h> 20 #include <hardware/vehicle_camera.h> 21 #include <jni.h> 22 #include <JNIHelp.h> 23 #include <system/window.h> 24 25 namespace android { 26 27 /* 28 * Class: com_android_car_CarCameraService 29 * Method: nativeOpen 30 * Signature: ()J 31 */ 32 static jlong com_android_car_CarCameraService_nativeOpen 33 (JNIEnv *env, jobject obj) 34 { 35 vehicle_camera_module_t *module = NULL; 36 37 hw_get_module(VEHICLE_CAMERA_HARDWARE_MODULE_ID, (const hw_module_t**)&module); 38 39 if (module == NULL) { 40 ALOGE("JNI Camera: nativeOpen failed!"); 41 } 42 return (jlong)module; 43 } 44 45 /* 46 * Class: com_android_car_CarCameraService 47 * Method: nativeClose 48 * Signature: (J)V 49 */ 50 static void com_android_car_CarCameraService_nativeClose 51 (JNIEnv *env, jobject, jlong dev) 52 { 53 vehicle_camera_device_t *device = (vehicle_camera_device_t*)dev; 54 55 if (device != NULL) { 56 device->common.close((struct hw_device_t*)device); 57 } 58 } 59 60 /* 61 * Class: com_android_car_CarCameraService 62 * Method: nativeGetSupportedCameras 63 * Signature: (J)[I 64 */ 65 static jintArray com_android_car_CarCameraService_nativeGetSupportedCameras 66 (JNIEnv *env, jobject, jlong mod) 67 { 68 int i; 69 vehicle_camera_module_t *module = (vehicle_camera_module_t*)mod; 70 const uint32_t *camera_list; 71 uint32_t numCameras; 72 jintArray outArray = NULL; 73 74 camera_list = module->get_camera_device_list(&numCameras); 75 76 if ((numCameras > 0) && (camera_list != NULL)) { 77 outArray = env->NewIntArray(numCameras); 78 } 79 80 if (outArray == NULL) { 81 return NULL; 82 } 83 // Copy camera list to output array 84 env->SetIntArrayRegion(outArray, 0, numCameras, (jint*)camera_list); 85 return outArray; 86 } 87 88 /* 89 * Class: com_android_car_CarCameraService 90 * Method: nativeGetDevice 91 * Signature: (JI)J 92 */ 93 static jlong com_android_car_CarCameraService_nativeGetDevice 94 (JNIEnv *env, jobject, jlong mod, jint cameraType) 95 { 96 const char *cameraTypeString[] = { 97 VEHICLE_CAMERA_RVC_DEVICE, 98 }; 99 vehicle_camera_module_t *module = (vehicle_camera_module_t*)mod; 100 hw_device_t *device = NULL; 101 102 if (module != NULL) { 103 module->common.methods->open((hw_module_t*)module, cameraTypeString[cameraType], &device); 104 } 105 106 if (device == NULL) { 107 ALOGE("JNI Camera: nativeGetDevice failed!"); 108 } 109 return (jlong)device; 110 } 111 112 113 /* 114 * Class: com_android_car_CarCameraService 115 * Method: nativeGetCapabilities 116 * Signature: (J)I 117 */ 118 static jint com_android_car_CarCameraService_nativeGetCapabilities 119 (JNIEnv *env, jobject, jlong dev) 120 { 121 vehicle_camera_cap_t cap; 122 jint capabilities = 0; 123 vehicle_camera_device_t *device = (vehicle_camera_device_t*)dev; 124 if (device != NULL) { 125 // Fetch the capabilities 126 int errCode = device->get_capabilities(device, &cap); 127 128 if (errCode == 0) { 129 capabilities = cap.capabilites_flags; 130 } else { 131 ALOGE("JNI Camera: nativeGetCapabilites errCode = %d", errCode); 132 } 133 } else { 134 ALOGE("JNI Camera: nativeGetCapabilities!"); 135 } 136 137 return capabilities; 138 } 139 140 /* 141 * Class: com_android_car_CarCameraService 142 * Method: nativeGetCameraCrop 143 * Signature: (J)Landroid/graphics/Rect; 144 */ 145 static jobject com_android_car_CarCameraService_nativeGetCameraCrop 146 (JNIEnv *env, jobject, jlong dev) 147 { 148 vehicle_camera_device_t *device = (vehicle_camera_device_t*)dev; 149 jobject retObj = NULL; 150 151 if (device != NULL) { 152 // Get the crop values 153 android_native_rect_t rect; 154 device->get_camera_crop(device, &rect); 155 156 // Get the class 157 jclass cls = env->FindClass("android/graphics/Rect"); 158 jmethodID midInit = env->GetMethodID(cls, "<init>", "(IIII)V"); 159 160 // Instantiate a new java CarRect objected with the current values 161 retObj = env->NewObject(cls, midInit, rect.left, rect.top, rect.right, rect.bottom); 162 } 163 164 return retObj; 165 } 166 167 /* 168 * Class: com_android_car_CarCameraService 169 * Method: nativeSetCameraCrop 170 * Signature: (JLandroid/graphics/Rect;)V 171 */ 172 static void com_android_car_CarCameraService_nativeSetCameraCrop 173 (JNIEnv *env, jobject, jlong dev, jobject jrect) 174 { 175 vehicle_camera_device_t *device = (vehicle_camera_device_t*)dev; 176 if (device != NULL) { 177 android_native_rect_t rect; 178 179 jclass cls = env->GetObjectClass(jrect); 180 jfieldID fidLeft = env->GetFieldID(cls, "left", "I"); 181 jfieldID fidTop = env->GetFieldID(cls, "top", "I"); 182 jfieldID fidRight = env->GetFieldID(cls, "right", "I"); 183 jfieldID fidBottom = env->GetFieldID(cls, "bottom", "I"); 184 185 rect.left = (uint32_t)env->GetIntField(jrect, fidLeft); 186 rect.top = (uint32_t)env->GetIntField(jrect, fidTop); 187 rect.right = (uint32_t)env->GetIntField(jrect, fidRight); 188 rect.bottom = (uint32_t)env->GetIntField(jrect, fidBottom); 189 190 device->set_camera_crop(device, &rect); 191 } 192 } 193 194 /* 195 * Class: com_android_car_CarCameraService 196 * Method: nativeGetCameraPosition 197 * Signature: (J)Landroid/graphics/Rect; 198 */ 199 static jobject com_android_car_CarCameraService_nativeGetCameraPosition 200 (JNIEnv *env, jobject, jlong dev) 201 { 202 vehicle_camera_device_t *device = (vehicle_camera_device_t*)dev; 203 jobject retObj = NULL; 204 205 if (device != NULL) { 206 // Get the position values 207 android_native_rect_t rect; 208 device->get_camera_position(device, &rect); 209 210 // Get the class 211 jclass cls = env->FindClass("android/graphics/Rect"); 212 jmethodID midInit = env->GetMethodID(cls, "<init>", "(IIII)V"); 213 214 // Instantiate a new java CarRect objected with the current values 215 retObj = env->NewObject(cls, midInit, rect.left, rect.top, rect.right, rect.bottom); 216 } 217 218 return retObj; 219 } 220 221 222 /* 223 * Class: com_android_car_CarCameraService 224 * Method: nativeSetCameraPosition 225 * Signature: (JLandroid/graphics/Rect;)V 226 */ 227 static void com_android_car_CarCameraService_nativeSetCameraPosition 228 (JNIEnv *env, jobject, jlong dev, jobject jrect) 229 { 230 vehicle_camera_device_t *device = (vehicle_camera_device_t*)dev; 231 if (device != NULL) { 232 android_native_rect_t rect; 233 234 jclass cls = env->GetObjectClass(jrect); 235 jfieldID fidLeft = env->GetFieldID(cls, "left", "I"); 236 jfieldID fidTop = env->GetFieldID(cls, "top", "I"); 237 jfieldID fidRight = env->GetFieldID(cls, "right", "I"); 238 jfieldID fidBottom = env->GetFieldID(cls, "bottom", "I"); 239 240 rect.left = (uint32_t)env->GetIntField(jrect, fidLeft); 241 rect.top = (uint32_t)env->GetIntField(jrect, fidTop); 242 rect.right = (uint32_t)env->GetIntField(jrect, fidRight); 243 rect.bottom = (uint32_t)env->GetIntField(jrect, fidBottom); 244 245 device->set_camera_position(device, &rect); 246 } 247 } 248 249 /* 250 * Class: com_android_car_CarCameraService 251 * Method: nativeGetCameraState 252 * Signature: (J)Landroid/car/hardware/camera/CarCameraState; 253 */ 254 static jobject com_android_car_CarCameraService_nativeGetCameraState 255 (JNIEnv *env, jobject, jlong dev) 256 { 257 vehicle_camera_device_t *device = (vehicle_camera_device_t*)dev; 258 jobject retObj = NULL; 259 260 if (device != NULL) { 261 vehicle_camera_state_t state; 262 device->get_camera_state(device, &state); 263 264 // Get the class 265 jclass cls = env->FindClass("android/car/hardware/camera/CarCameraState"); 266 jmethodID midInit = env->GetMethodID(cls, "<init>", "(ZZ)V"); 267 268 // Instantiate a new java CarRect objected with the current values 269 retObj = env->NewObject(cls, midInit, state.overlay_on, state.camera_on); 270 } 271 272 return retObj; 273 } 274 275 276 /* 277 * Class: com_android_car_CarCameraService 278 * Method: nativeSetCameraState 279 * Signature: (JLandroid/car/hardware/camera/CarCameraState;)V 280 */ 281 static void com_android_car_CarCameraService_nativeSetCameraState 282 (JNIEnv *env, jobject, jlong dev, jobject jstate) 283 { 284 vehicle_camera_device_t *device = (vehicle_camera_device_t*)dev; 285 if (device != NULL) { 286 vehicle_camera_state_t state; 287 288 jclass cls = env->GetObjectClass(jstate); 289 jmethodID midCamera = env->GetMethodID(cls, "getCameraIsOn", "()Z"); 290 jmethodID midOverlay = env->GetMethodID(cls, "getOverlayIsOn", "()Z"); 291 292 state.overlay_on = (uint32_t)env->CallBooleanMethod(jstate, midOverlay); 293 state.camera_on = (uint32_t)env->CallBooleanMethod(jstate, midCamera); 294 295 device->set_camera_state(device, &state); 296 } 297 } 298 299 static JNINativeMethod gMethods[] = { 300 { "nativeOpen", "()J", (void*)com_android_car_CarCameraService_nativeOpen }, 301 { "nativeClose", "(J)V", (void*)com_android_car_CarCameraService_nativeClose }, 302 { "nativeGetSupportedCameras", "(J)[I", (void*)com_android_car_CarCameraService_nativeGetSupportedCameras }, 303 { "nativeGetDevice", "(JI)J", (void*)com_android_car_CarCameraService_nativeGetDevice }, 304 { "nativeGetCapabilities", "(J)I", (void*)com_android_car_CarCameraService_nativeGetCapabilities }, 305 { "nativeGetCameraCrop", "(J)Landroid/graphics/Rect;", (void*)com_android_car_CarCameraService_nativeGetCameraCrop }, 306 { "nativeSetCameraCrop", "(JLandroid/graphics/Rect;)V", (void*)com_android_car_CarCameraService_nativeSetCameraCrop }, 307 { "nativeGetCameraPosition", "(J)Landroid/graphics/Rect;", (void*)com_android_car_CarCameraService_nativeGetCameraPosition }, 308 { "nativeSetCameraPosition", "(JLandroid/graphics/Rect;)V", (void*)com_android_car_CarCameraService_nativeSetCameraPosition }, 309 { "nativeGetCameraState", "(J)Landroid/car/hardware/camera/CarCameraState;", (void*)com_android_car_CarCameraService_nativeGetCameraState }, 310 { "nativeSetCameraState", "(JLandroid/car/hardware/camera/CarCameraState;)V", (void*)com_android_car_CarCameraService_nativeSetCameraState }, 311 }; 312 313 int register_com_android_car_CarCameraService(JNIEnv *env) { 314 return jniRegisterNativeMethods(env, "com/android/car/CarCameraService", 315 gMethods, NELEM(gMethods)); 316 } 317 318 } // namespace android 319 320 321
