android_hardware_Camera.cpp revision 9066cfe9886ac131c34d59ed0e2d287b0e3c0087
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 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct camera_context_t { 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject mCameraJObjectWeak; // weak reference to java object 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mCameraJClass; // strong reference to java class 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> mCamera; // strong reference to native object 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectsp<Camera> get_native_camera(JNIEnv *env, jobject thiz, camera_context_t** pContext) 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(sLock); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context = reinterpret_cast<camera_context_t*>(env->GetIntField(thiz, fields.context)); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (context != NULL) { 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera = context->mCamera; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("get_native_camera: context=%p, camera=%p", context, camera.get()); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Method called after release()"); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pContext != NULL) *pContext = context; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return camera; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void err_callback(status_t err, void *cookie) 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context = reinterpret_cast<camera_context_t*>(cookie); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((context == NULL) || (context->mCamera == 0)) return; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("err_callback: context=%p, camera=%p", context, context->mCamera.get()); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int error; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case DEAD_OBJECT: 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project error = kCameraErrorMediaServer; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project error = kCameraErrorUnknown; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env == NULL) { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("err_callback on dead VM"); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod(context->mCameraJClass, fields.post_event, 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context->mCameraJObjectWeak, kErrorCallback, error, 0, NULL); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// connect to camera service 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_native_setup(JNIEnv *env, jobject thiz, jobject weak_this) 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = Camera::connect(); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == NULL) { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Out of memory"); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure camera hardware is alive 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->getStatus() != NO_ERROR) { 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "Camera initialization failed"); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->GetObjectClass(thiz); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clazz == NULL) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find android/hardware/Camera"); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX no idea what to throw here, can this even happen? 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/Exception", NULL); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We use a weak reference so the Camera object can be garbage collected. 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The reference is only used as a proxy for callbacks. 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context = new camera_context_t; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context->mCameraJObjectWeak = env->NewGlobalRef(weak_this); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context->mCameraJClass = (jclass)env->NewGlobalRef(clazz); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context->mCamera = camera; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // save context in opaque field 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, fields.context, (int)context); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("native_setup: mCameraJObjectWeak=%x, camera_obj=%x, context=%p", 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)context->mCameraJObjectWeak, (int)thiz, context); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // set error callback 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera->setErrorCallback(err_callback, context); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// disconnect from camera service 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// It's okay to call this when the native camera context is already null. 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// This handles the case where the user has called release() and the 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// finalizer is invoked later. 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_release(JNIEnv *env, jobject thiz) 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context = NULL; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(sLock); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context = reinterpret_cast<camera_context_t*>(env->GetIntField(thiz, fields.context)); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we do not attempt to callback on a deleted Java object. 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, fields.context, 0); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clean up if release has not been called before 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (context != NULL) { 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera = context->mCamera; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context->mCamera.clear(); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("native_release: context=%p camera=%p", context, camera.get()); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clear callbacks 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera != NULL) { 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera->setPreviewCallback(NULL, NULL, FRAME_CALLBACK_FLAG_NOOP); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera->setErrorCallback(NULL, NULL); 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera->disconnect(); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteGlobalRef(context->mCameraJObjectWeak); 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteGlobalRef(context->mCameraJClass); 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // remove context to prevent further Java access 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete context; 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_setPreviewDisplay(JNIEnv *env, jobject thiz, jobject jSurface) 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("setPreviewDisplay"); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Surface> surface = reinterpret_cast<Surface*>(env->GetIntField(jSurface, fields.surface)); 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->setPreviewDisplay(surface) != NO_ERROR) { 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "setPreviewDisplay failed"); 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void preview_callback(const sp<IMemory>& mem, void *cookie) 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("preview_callback"); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env == NULL) { 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("preview_callback on dead VM"); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context = reinterpret_cast<camera_context_t*>(cookie); 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((context == NULL) || (context->mCamera == 0)) { 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("context or camera is NULL in preview_callback"); 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("native_release: context=%p camera=%p", context, context->mCamera.get()); 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int arg1 = 0, arg2 = 0; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = NULL; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ssize_t offset; 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t size; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t *data = ((uint8_t *)heap->base()) + offset; 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray array = env->NewByteArray(size); 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (array == NULL) { 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Couldn't allocate byte array for YUV data"); 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte *bytes = env->GetByteArrayElements(array, NULL); 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(bytes, data, size); 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseByteArrayElements(array, bytes, 0); 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project obj = array; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod(context->mCameraJClass, fields.post_event, 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context->mCameraJObjectWeak, kPreviewCallback, arg1, arg2, obj); 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteLocalRef(array); 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_startPreview(JNIEnv *env, jobject thiz) 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("startPreview"); 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->startPreview() != NO_ERROR) { 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "startPreview failed"); 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_stopPreview(JNIEnv *env, jobject thiz) 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("stopPreview"); 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, NULL); 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c->stopPreview(); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic bool android_hardware_Camera_previewEnabled(JNIEnv *env, jobject thiz) 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("previewEnabled"); 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, NULL); 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return false; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c->previewEnabled(); 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_setHasPreviewCallback(JNIEnv *env, jobject thiz, jboolean installed, jboolean oneshot) 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Important: Only install preview_callback if the Java code has called 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // setPreviewCallback() with a non-null value, otherwise we'd pay to memcpy 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // each preview frame for nothing. 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context; 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, &context); 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int callback_flag; 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (installed) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_flag = oneshot ? FRAME_CALLBACK_FLAG_BARCODE_SCANNER : FRAME_CALLBACK_FLAG_CAMERA; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_flag = FRAME_CALLBACK_FLAG_NOOP; 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera->setPreviewCallback(installed ? preview_callback : NULL, context, callback_flag); 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void autofocus_callback_impl(bool success, void *cookie) 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("autoFocusCallback"); 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context = reinterpret_cast<camera_context_t*>(cookie); 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env == NULL) { 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("autofocus_callback on dead VM"); 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod(context->mCameraJClass, fields.post_event, 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context->mCameraJObjectWeak, kAutoFocusCallback, success, 0, NULL); 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_autoFocus(JNIEnv *env, jobject thiz) 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("autoFocus"); 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context; 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, &context); 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c->setAutoFocusCallback(autofocus_callback_impl, context); 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c->autoFocus() != NO_ERROR) { 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "autoFocus failed"); 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void jpeg_callback(const sp<IMemory>& mem, void *cookie) 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("jpegCallback"); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context = reinterpret_cast<camera_context_t*>(cookie); 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env == NULL) { 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("jpeg`_callback on dead VM"); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int arg1 = 0, arg2 = 0; 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = NULL; 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mem == NULL) { 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod(context->mCameraJClass, fields.post_event, 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context->mCameraJObjectWeak, kJpegCallback, arg1, arg2, NULL); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ssize_t offset; 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t size; 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("jpeg_callback: mem off=%d, size=%d", offset, size); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t *heap_base = (uint8_t *)heap->base(); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (heap_base == NULL) { 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("YUV heap is NULL"); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t *data = heap_base + offset; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray array = env->NewByteArray(size); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (array == NULL) { 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Couldn't allocate byte array for JPEG data"); 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte *bytes = env->GetByteArrayElements(array, NULL); 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(bytes, data, size); 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseByteArrayElements(array, bytes, 0); 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project obj = array; 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod(context->mCameraJClass, fields.post_event, 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context->mCameraJObjectWeak, kJpegCallback, arg1, arg2, obj); 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteLocalRef(array); 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void shutter_callback_impl(void *cookie) 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("shutterCallback"); 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context = reinterpret_cast<camera_context_t*>(cookie); 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env == NULL) { 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("shutter_callback on dead VM"); 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod(context->mCameraJClass, fields.post_event, 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context->mCameraJObjectWeak, kShutterCallback, 0, 0, NULL); 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void raw_callback(const sp<IMemory>& mem __attribute__((unused)), 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void *cookie) 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("rawCallback"); 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context = reinterpret_cast<camera_context_t*>(cookie); 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env == NULL) { 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("raw_callback on dead VM"); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod(context->mCameraJClass, fields.post_event, 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context->mCameraJObjectWeak, kRawCallback, 0, 0, NULL); 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_takePicture(JNIEnv *env, jobject thiz) 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("takePicture"); 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera_context_t* context; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, &context); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera->setShutterCallback(shutter_callback_impl, context); 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera->setRawCallback(raw_callback, context); 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera->setJpegCallback(jpeg_callback, context); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->takePicture() != NO_ERROR) { 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "takePicture failed"); 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_setParameters(JNIEnv *env, jobject thiz, jstring params) 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("setParameters"); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(params, 0); 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 params8; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params) { 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params8 = String8(str, env->GetStringLength(params)); 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(params, str); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->setParameters(params8) != NO_ERROR) { 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "setParameters failed"); 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jstring android_hardware_Camera_getParameters(JNIEnv *env, jobject thiz) 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("getParameters"); 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return 0; 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return env->NewStringUTF(camera->getParameters().string()); 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_reconnect(JNIEnv *env, jobject thiz) 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("reconnect"); 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->reconnect() != NO_ERROR) { 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "reconnect failed"); 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_hardware_Camera_lock(JNIEnv *env, jobject thiz) 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("lock"); 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return INVALID_OPERATION; 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jint) camera->lock(); 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_hardware_Camera_unlock(JNIEnv *env, jobject thiz) 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("unlock"); 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return INVALID_OPERATION; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jint) camera->unlock(); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//------------------------------------------------- 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod camMethods[] = { 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_setup", 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Ljava/lang/Object;)V", 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_native_setup }, 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_release", 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_release }, 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "setPreviewDisplay", 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Landroid/view/Surface;)V", 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setPreviewDisplay }, 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "startPreview", 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_startPreview }, 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "stopPreview", 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_stopPreview }, 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "previewEnabled", 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()Z", 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_previewEnabled }, 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "setHasPreviewCallback", 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(ZZ)V", 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setHasPreviewCallback }, 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_autoFocus", 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_autoFocus }, 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_takePicture", 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_takePicture }, 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_setParameters", 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Ljava/lang/String;)V", 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setParameters }, 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_getParameters", 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()Ljava/lang/String;", 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_getParameters }, 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "reconnect", 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_reconnect }, 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "lock", 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()I", 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_lock }, 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "unlock", 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()I", 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_unlock }, 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct field { 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *class_name; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *field_name; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *field_type; 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID *jfield; 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int find_fields(JNIEnv *env, field *fields, int count) 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project field *f = &fields[i]; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->FindClass(f->class_name); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clazz == NULL) { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find %s", f->class_name); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID field = env->GetFieldID(clazz, f->field_name, f->field_type); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (field == NULL) { 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find %s.%s", f->class_name, f->field_name); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *(f->jfield) = field; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Get all the required offsets in java class and register native functions 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_hardware_Camera(JNIEnv *env) 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project field fields_to_find[] = { 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "android/hardware/Camera", "mNativeContext", "I", &fields.context }, 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "android/view/Surface", "mSurface", "I", &fields.surface } 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (find_fields(env, fields_to_find, NELEM(fields_to_find)) < 0) 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->FindClass("android/hardware/Camera"); 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.post_event = env->GetStaticMethodID(clazz, "postEventFromNative", 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Ljava/lang/Object;IIILjava/lang/Object;)V"); 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fields.post_event == NULL) { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find android/hardware/Camera.postEventFromNative"); 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Register native functions 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods(env, "android/hardware/Camera", 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camMethods, NELEM(camMethods)); 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 563