android_hardware_Camera.cpp revision d0cbb1a52d1b2b8b04a122501d696938b295e502
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2008, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** you may not use this file except in compliance with the License. 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#define LOG_NDEBUG 0 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "Camera-JNI" 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "jni.h" 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_runtime/AndroidRuntime.h" 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/Surface.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/Camera.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/IMemory.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum CallbackMessageID { 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kShutterCallback = 0, 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kRawCallback = 1, 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kJpegCallback = 2, 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kPreviewCallback = 3, 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kAutoFocusCallback = 4, 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kErrorCallback = 5 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum CameraError { 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kCameraErrorUnknown = 1, 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kCameraErrorMediaServer = 100 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct fields_t { 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID context; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID surface; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID post_event; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic fields_t fields; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic Mutex sLock; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 565e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks// provides persistent context for calls from native code to Java 575e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksclass JNICameraContext: public CameraListener 585e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 595e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparkspublic: 605e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext(JNIEnv* env, jobject weak_this, jclass clazz, const sp<Camera>& camera); 615e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks ~JNICameraContext() { release(); } 625e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks virtual void notify(int32_t msgType, int32_t ext1, int32_t ext2); 635e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks virtual void postData(int32_t msgType, const sp<IMemory>& dataPtr); 645e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks sp<Camera> getCamera() { Mutex::Autolock _l(mLock); return mCamera; } 655e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks void release(); 665e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 675e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksprivate: 685e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks void copyAndPost(JNIEnv* env, const sp<IMemory>& dataPtr, int msgType); 695e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject mCameraJObjectWeak; // weak reference to java object 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mCameraJClass; // strong reference to java class 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> mCamera; // strong reference to native object 735e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex mLock; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 765e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparkssp<Camera> get_native_camera(JNIEnv *env, jobject thiz, JNICameraContext** pContext) 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(sLock); 805e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context = reinterpret_cast<JNICameraContext*>(env->GetIntField(thiz, fields.context)); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (context != NULL) { 825e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera = context->getCamera(); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("get_native_camera: context=%p, camera=%p", context, camera.get()); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Method called after release()"); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pContext != NULL) *pContext = context; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return camera; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 935e27115995c4506dddf4f1271effd4fb4c935ad3Dave SparksJNICameraContext::JNICameraContext(JNIEnv* env, jobject weak_this, jclass clazz, const sp<Camera>& camera) 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 955e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJObjectWeak = env->NewGlobalRef(weak_this); 965e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJClass = (jclass)env->NewGlobalRef(clazz); 975e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCamera = camera; 985e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1005e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::release() 1015e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 1025e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGV("release"); 1035e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex::Autolock _l(mLock); 1045e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNIEnv *env = AndroidRuntime::getJNIEnv(); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1065e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (mCameraJObjectWeak != NULL) { 1075e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->DeleteGlobalRef(mCameraJObjectWeak); 1085e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJObjectWeak = NULL; 1095e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1105e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (mCameraJClass != NULL) { 1115e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->DeleteGlobalRef(mCameraJClass); 1125e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJClass = NULL; 1135e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1145e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCamera.clear(); 1155e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 1165e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1175e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::notify(int32_t msgType, int32_t ext1, int32_t ext2) 1185e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 1195e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGV("notify"); 1205e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1215e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // VM pointer will be NULL if object is released 1225e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex::Autolock _l(mLock); 1235e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (mCameraJObjectWeak == NULL) { 1245e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGW("callback on dead camera object"); 1255e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks return; 1265e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1275e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNIEnv *env = AndroidRuntime::getJNIEnv(); 128c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks env->CallStaticVoidMethod(mCameraJClass, fields.post_event, 129c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks mCameraJObjectWeak, msgType, ext1, ext2); 1305e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 1315e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1325e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::copyAndPost(JNIEnv* env, const sp<IMemory>& dataPtr, int msgType) 1335e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 1345e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks jbyteArray obj = NULL; 1355e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1365e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // allocate Java byte array and copy data 1375e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (dataPtr != NULL) { 1385e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks ssize_t offset; 1395e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks size_t size; 1405e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks sp<IMemoryHeap> heap = dataPtr->getMemory(&offset, &size); 1415e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGV("postData: off=%d, size=%d", offset, size); 1425e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks uint8_t *heapBase = (uint8_t*)heap->base(); 1435e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1445e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (heapBase != NULL) { 1455e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks uint8_t *data = heapBase + offset; 1465e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks obj = env->NewByteArray(size); 1475e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (obj == NULL) { 1485e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGE("Couldn't allocate byte array for JPEG data"); 1495e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->ExceptionClear(); 1505e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } else { 1515e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks jbyte *bytes = env->GetByteArrayElements(obj, NULL); 1525e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks memcpy(bytes, data, size); 1535e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->ReleaseByteArrayElements(obj, bytes, 0); 1545e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1555e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1565e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } else { 1575e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGE("image heap is NULL"); 1585e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1595e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1615e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // post image data to Java 1625e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->CallStaticVoidMethod(mCameraJClass, fields.post_event, 1635e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJObjectWeak, msgType, 0, 0, obj); 1645e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (obj) { 1655e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->DeleteLocalRef(obj); 1665e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1675e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 1685e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1695e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::postData(int32_t msgType, const sp<IMemory>& dataPtr) 1705e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 1715e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // VM pointer will be NULL if object is released 1725e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex::Autolock _l(mLock); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 174d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks if (mCameraJObjectWeak == NULL) { 175d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks LOGW("callback on dead camera object"); 176d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks return; 177d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks } 1785e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1795e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // return data based on callback type 1805e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks switch(msgType) { 1815e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks case CAMERA_MSG_VIDEO_FRAME: 182c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks // should never happen 1835e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks break; 184c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks // don't return raw data to Java 1855e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks case CAMERA_MSG_RAW_IMAGE: 1865e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGV("rawCallback"); 1875e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->CallStaticVoidMethod(mCameraJClass, fields.post_event, 188c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks mCameraJObjectWeak, msgType, 0, 0, NULL); 1895e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks break; 1905e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks default: 1915e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGV("dataCallback(%d, %p)", msgType, dataPtr.get()); 192c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks copyAndPost(env, dataPtr, msgType); 1935e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks break; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// connect to camera service 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_native_setup(JNIEnv *env, jobject thiz, jobject weak_this) 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = Camera::connect(); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == NULL) { 203fa3e5562793c5bd7d4513a9e1a5869e763a47ab5Wu-cheng Li jniThrowException(env, "java/lang/RuntimeException", 204fa3e5562793c5bd7d4513a9e1a5869e763a47ab5Wu-cheng Li "Fail to connect to camera service"); 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure camera hardware is alive 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->getStatus() != NO_ERROR) { 210ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "Camera initialization failed"); 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->GetObjectClass(thiz); 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clazz == NULL) { 216ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "Can't find android/hardware/Camera"); 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We use a weak reference so the Camera object can be garbage collected. 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The reference is only used as a proxy for callbacks. 2225e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks sp<JNICameraContext> context = new JNICameraContext(env, weak_this, clazz, camera); 2235e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context->incStrong(thiz); 2245e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera->setListener(context); 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // save context in opaque field 2275e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->SetIntField(thiz, fields.context, (int)context.get()); 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// disconnect from camera service 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// It's okay to call this when the native camera context is already null. 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// This handles the case where the user has called release() and the 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// finalizer is invoked later. 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_release(JNIEnv *env, jobject thiz) 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2365e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context = NULL; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(sLock); 2405e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context = reinterpret_cast<JNICameraContext*>(env->GetIntField(thiz, fields.context)); 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we do not attempt to callback on a deleted Java object. 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, fields.context, 0); 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clean up if release has not been called before 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (context != NULL) { 2485e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera = context->getCamera(); 2495e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context->release(); 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("native_release: context=%p camera=%p", context, camera.get()); 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clear callbacks 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera != NULL) { 2545e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_NOOP); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera->disconnect(); 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // remove context to prevent further Java access 2595e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context->decStrong(thiz); 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_setPreviewDisplay(JNIEnv *env, jobject thiz, jobject jSurface) 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("setPreviewDisplay"); 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li sp<Surface> surface = NULL; 270b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (jSurface != NULL) { 271b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li surface = reinterpret_cast<Surface*>(env->GetIntField(jSurface, fields.surface)); 272b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->setPreviewDisplay(surface) != NO_ERROR) { 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "setPreviewDisplay failed"); 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_startPreview(JNIEnv *env, jobject thiz) 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("startPreview"); 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->startPreview() != NO_ERROR) { 285ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "startPreview failed"); 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_stopPreview(JNIEnv *env, jobject thiz) 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("stopPreview"); 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, NULL); 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c->stopPreview(); 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic bool android_hardware_Camera_previewEnabled(JNIEnv *env, jobject thiz) 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("previewEnabled"); 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, NULL); 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return false; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c->previewEnabled(); 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_setHasPreviewCallback(JNIEnv *env, jobject thiz, jboolean installed, jboolean oneshot) 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Important: Only install preview_callback if the Java code has called 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // setPreviewCallback() with a non-null value, otherwise we'd pay to memcpy 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // each preview frame for nothing. 3135e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context; 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, &context); 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int callback_flag; 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (installed) { 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_flag = oneshot ? FRAME_CALLBACK_FLAG_BARCODE_SCANNER : FRAME_CALLBACK_FLAG_CAMERA; 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_flag = FRAME_CALLBACK_FLAG_NOOP; 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3235e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera->setPreviewCallbackFlags(callback_flag); 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_autoFocus(JNIEnv *env, jobject thiz) 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("autoFocus"); 3295e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context; 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, &context); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c->autoFocus() != NO_ERROR) { 334ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "autoFocus failed"); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_takePicture(JNIEnv *env, jobject thiz) 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("takePicture"); 3415e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context; 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, &context); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->takePicture() != NO_ERROR) { 346ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "takePicture failed"); 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_setParameters(JNIEnv *env, jobject thiz, jstring params) 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("setParameters"); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(params, 0); 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 params8; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params) { 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params8 = String8(str, env->GetStringLength(params)); 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(params, str); 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->setParameters(params8) != NO_ERROR) { 364ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "setParameters failed"); 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jstring android_hardware_Camera_getParameters(JNIEnv *env, jobject thiz) 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("getParameters"); 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return 0; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return env->NewStringUTF(camera->getParameters().string()); 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_reconnect(JNIEnv *env, jobject thiz) 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("reconnect"); 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->reconnect() != NO_ERROR) { 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "reconnect failed"); 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_hardware_Camera_lock(JNIEnv *env, jobject thiz) 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("lock"); 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return INVALID_OPERATION; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jint) camera->lock(); 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_hardware_Camera_unlock(JNIEnv *env, jobject thiz) 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("unlock"); 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return INVALID_OPERATION; 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jint) camera->unlock(); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//------------------------------------------------- 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod camMethods[] = { 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_setup", 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Ljava/lang/Object;)V", 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_native_setup }, 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_release", 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_release }, 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "setPreviewDisplay", 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Landroid/view/Surface;)V", 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setPreviewDisplay }, 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "startPreview", 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_startPreview }, 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "stopPreview", 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_stopPreview }, 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "previewEnabled", 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()Z", 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_previewEnabled }, 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "setHasPreviewCallback", 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(ZZ)V", 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setHasPreviewCallback }, 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_autoFocus", 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_autoFocus }, 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_takePicture", 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_takePicture }, 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_setParameters", 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Ljava/lang/String;)V", 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setParameters }, 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_getParameters", 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()Ljava/lang/String;", 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_getParameters }, 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "reconnect", 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_reconnect }, 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "lock", 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()I", 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_lock }, 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "unlock", 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()I", 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_unlock }, 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct field { 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *class_name; 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *field_name; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *field_type; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID *jfield; 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int find_fields(JNIEnv *env, field *fields, int count) 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project field *f = &fields[i]; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->FindClass(f->class_name); 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clazz == NULL) { 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find %s", f->class_name); 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID field = env->GetFieldID(clazz, f->field_name, f->field_type); 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (field == NULL) { 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find %s.%s", f->class_name, f->field_name); 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *(f->jfield) = field; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Get all the required offsets in java class and register native functions 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_hardware_Camera(JNIEnv *env) 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project field fields_to_find[] = { 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "android/hardware/Camera", "mNativeContext", "I", &fields.context }, 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "android/view/Surface", "mSurface", "I", &fields.surface } 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (find_fields(env, fields_to_find, NELEM(fields_to_find)) < 0) 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->FindClass("android/hardware/Camera"); 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.post_event = env->GetStaticMethodID(clazz, "postEventFromNative", 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Ljava/lang/Object;IIILjava/lang/Object;)V"); 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fields.post_event == NULL) { 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find android/hardware/Camera.postEventFromNative"); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Register native functions 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods(env, "android/hardware/Camera", 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camMethods, NELEM(camMethods)); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 507