android_hardware_Camera.cpp revision 69a017bc1d1649350f830dfada5c6ed5eac0b770
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 2694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp#include <utils/Vector.h> 2794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 28fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis#include <gui/SurfaceTexture.h> 29000479f9e325b4e426a67033abd92d47da412725Mathias Agopian#include <surfaceflinger/Surface.h> 30000479f9e325b4e426a67033abd92d47da412725Mathias Agopian#include <camera/Camera.h> 310795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IMemory.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct fields_t { 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID context; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID surface; 38fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis jfieldID surfaceTexture; 39b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang jfieldID facing; 40b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang jfieldID orientation; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID post_event; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic fields_t fields; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic Mutex sLock; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 475e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks// provides persistent context for calls from native code to Java 485e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksclass JNICameraContext: public CameraListener 495e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 505e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparkspublic: 515e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext(JNIEnv* env, jobject weak_this, jclass clazz, const sp<Camera>& camera); 525e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks ~JNICameraContext() { release(); } 535e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks virtual void notify(int32_t msgType, int32_t ext1, int32_t ext2); 545e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks virtual void postData(int32_t msgType, const sp<IMemory>& dataPtr); 5559c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks virtual void postDataTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr); 56e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong void addCallbackBuffer(JNIEnv *env, jbyteArray cbb, int msgType); 5794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp void setCallbackMode(JNIEnv *env, bool installed, bool manualMode); 585e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks sp<Camera> getCamera() { Mutex::Autolock _l(mLock); return mCamera; } 59e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong bool isRawImageCallbackBufferAvailable() const; 605e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks void release(); 615e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 625e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksprivate: 635e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks void copyAndPost(JNIEnv* env, const sp<IMemory>& dataPtr, int msgType); 64e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong void clearCallbackBuffers_l(JNIEnv *env, Vector<jbyteArray> *buffers); 6594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp void clearCallbackBuffers_l(JNIEnv *env); 66e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong jbyteArray getCallbackBuffer(JNIEnv *env, Vector<jbyteArray> *buffers, size_t bufferSize); 675e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject mCameraJObjectWeak; // weak reference to java object 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mCameraJClass; // strong reference to java class 70ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li sp<Camera> mCamera; // strong reference to native object 715e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex mLock; 7294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 73e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /* 74e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Global reference application-managed raw image buffer queue. 75e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 76e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Manual-only mode is supported for raw image callbacks, which is 77e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * set whenever method addCallbackBuffer() with msgType = 78e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * CAMERA_MSG_RAW_IMAGE is called; otherwise, null is returned 79e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * with raw image callbacks. 80e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 81e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong Vector<jbyteArray> mRawImageCallbackBuffers; 82e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 83e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /* 84e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Application-managed preview buffer queue and the flags 85e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * associated with the usage of the preview buffer callback. 86e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 8794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp Vector<jbyteArray> mCallbackBuffers; // Global reference application managed byte[] 8894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp bool mManualBufferMode; // Whether to use application managed buffers. 89e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong bool mManualCameraCallbackSet; // Whether the callback has been set, used to 90e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // reduce unnecessary calls to set the callback. 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 93e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dongbool JNICameraContext::isRawImageCallbackBufferAvailable() const 94e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong{ 95e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong return !mRawImageCallbackBuffers.isEmpty(); 96e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong} 97e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 985e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparkssp<Camera> get_native_camera(JNIEnv *env, jobject thiz, JNICameraContext** pContext) 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(sLock); 1025e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context = reinterpret_cast<JNICameraContext*>(env->GetIntField(thiz, fields.context)); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (context != NULL) { 1045e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera = context->getCamera(); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("get_native_camera: context=%p, camera=%p", context, camera.get()); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) { 10869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "Method called after release()"); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pContext != NULL) *pContext = context; 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return camera; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1155e27115995c4506dddf4f1271effd4fb4c935ad3Dave SparksJNICameraContext::JNICameraContext(JNIEnv* env, jobject weak_this, jclass clazz, const sp<Camera>& camera) 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1175e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJObjectWeak = env->NewGlobalRef(weak_this); 1185e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJClass = (jclass)env->NewGlobalRef(clazz); 1195e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCamera = camera; 12094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 12194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualBufferMode = false; 12294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualCameraCallbackSet = false; 1235e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1255e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::release() 1265e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 1275e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGV("release"); 1285e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex::Autolock _l(mLock); 1295e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNIEnv *env = AndroidRuntime::getJNIEnv(); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1315e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (mCameraJObjectWeak != NULL) { 1325e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->DeleteGlobalRef(mCameraJObjectWeak); 1335e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJObjectWeak = NULL; 1345e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1355e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (mCameraJClass != NULL) { 1365e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->DeleteGlobalRef(mCameraJClass); 1375e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJClass = NULL; 1385e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 13994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp clearCallbackBuffers_l(env); 1405e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCamera.clear(); 1415e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 1425e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1435e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::notify(int32_t msgType, int32_t ext1, int32_t ext2) 1445e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 1455e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGV("notify"); 1465e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1475e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // VM pointer will be NULL if object is released 1485e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex::Autolock _l(mLock); 1495e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (mCameraJObjectWeak == NULL) { 1505e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGW("callback on dead camera object"); 1515e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks return; 1525e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1535e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNIEnv *env = AndroidRuntime::getJNIEnv(); 154e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 155e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /* 156e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * If the notification or msgType is CAMERA_MSG_RAW_IMAGE_NOTIFY, change it 157e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to CAMERA_MSG_RAW_IMAGE since CAMERA_MSG_RAW_IMAGE_NOTIFY is not exposed 158e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to the Java app. 159e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 160e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType == CAMERA_MSG_RAW_IMAGE_NOTIFY) { 161e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType = CAMERA_MSG_RAW_IMAGE; 162e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 163e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 164c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks env->CallStaticVoidMethod(mCameraJClass, fields.post_event, 1656157de0e2d87568d6d5071b11aeb033a7986b279Chih-Chung Chang mCameraJObjectWeak, msgType, ext1, ext2, NULL); 1665e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 1675e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 168e00cab707dcaf6f05adb5ccb9c80fdf25c483427James DongjbyteArray JNICameraContext::getCallbackBuffer( 169e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong JNIEnv* env, Vector<jbyteArray>* buffers, size_t bufferSize) 170e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong{ 171e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong jbyteArray obj = NULL; 172e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 173e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // Vector access should be protected by lock in postData() 174e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (!buffers->isEmpty()) { 175e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGV("Using callback buffer from queue of length %d", buffers->size()); 176e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong jbyteArray globalBuffer = buffers->itemAt(0); 177e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong buffers->removeAt(0); 178e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 179e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong obj = (jbyteArray)env->NewLocalRef(globalBuffer); 180e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong env->DeleteGlobalRef(globalBuffer); 181e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 182e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (obj != NULL) { 183e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong jsize bufferLength = env->GetArrayLength(obj); 184e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if ((int)bufferLength < (int)bufferSize) { 185e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGE("Callback buffer was too small! Expected %d bytes, but got %d bytes!", 186e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong bufferSize, bufferLength); 187e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong env->DeleteLocalRef(obj); 188e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong return NULL; 189e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 190e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 191e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 192e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 193e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong return obj; 194e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong} 195e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 1965e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::copyAndPost(JNIEnv* env, const sp<IMemory>& dataPtr, int msgType) 1975e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 1985e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks jbyteArray obj = NULL; 1995e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 2005e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // allocate Java byte array and copy data 2015e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (dataPtr != NULL) { 2025e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks ssize_t offset; 2035e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks size_t size; 2045e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks sp<IMemoryHeap> heap = dataPtr->getMemory(&offset, &size); 205e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGV("copyAndPost: off=%ld, size=%d", offset, size); 2065e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks uint8_t *heapBase = (uint8_t*)heap->base(); 2075e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 2085e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (heapBase != NULL) { 209c4ca420625183a8efa619e06287b47f3d2e72283Dave Sparks const jbyte* data = reinterpret_cast<const jbyte*>(heapBase + offset); 21094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 21194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (!mManualBufferMode) { 21294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp LOGV("Allocating callback buffer"); 21394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp obj = env->NewByteArray(size); 21494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else { 215e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong switch (msgType) { 216e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong case CAMERA_MSG_PREVIEW_FRAME: { 217e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong obj = getCallbackBuffer(env, &mCallbackBuffers, size); 218e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 219e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mCallbackBuffers.isEmpty()) { 220e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGV("Out of buffers, clearing callback!"); 221e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong mCamera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_NOOP); 222e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong mManualCameraCallbackSet = false; 223e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 224e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (obj == NULL) { 225e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong return; 226e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 22794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 228e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong break; 22994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 230e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong case CAMERA_MSG_RAW_IMAGE: { 231e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong obj = getCallbackBuffer(env, &mRawImageCallbackBuffers, size); 232e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong break; 233e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 234e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong default: { 23569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "Unsupported message type"); 23694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp return; 23794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 23894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 23994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 24094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 2415e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (obj == NULL) { 2425e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGE("Couldn't allocate byte array for JPEG data"); 2435e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->ExceptionClear(); 2445e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } else { 245a95f495f75d0516ad48576500f64a3ffea037af8Dave Sparks env->SetByteArrayRegion(obj, 0, size, data); 2465e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 2475e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } else { 2485e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGE("image heap is NULL"); 2495e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 2505e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2525e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // post image data to Java 2535e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->CallStaticVoidMethod(mCameraJClass, fields.post_event, 2545e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJObjectWeak, msgType, 0, 0, obj); 2555e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (obj) { 2565e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->DeleteLocalRef(obj); 2575e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 2585e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 2595e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 2605e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::postData(int32_t msgType, const sp<IMemory>& dataPtr) 2615e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 2625e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // VM pointer will be NULL if object is released 2635e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex::Autolock _l(mLock); 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 265d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks if (mCameraJObjectWeak == NULL) { 266d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks LOGW("callback on dead camera object"); 267d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks return; 268d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks } 2695e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 2705e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // return data based on callback type 271e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong switch (msgType) { 272e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong case CAMERA_MSG_VIDEO_FRAME: 273e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // should never happen 274e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong break; 275e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 276e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // For backward-compatibility purpose, if there is no callback 277e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // buffer for raw image, the callback returns null. 278e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong case CAMERA_MSG_RAW_IMAGE: 279e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGV("rawCallback"); 280e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallbackBuffers.isEmpty()) { 281e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong env->CallStaticVoidMethod(mCameraJClass, fields.post_event, 282e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong mCameraJObjectWeak, msgType, 0, 0, NULL); 283e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } else { 284e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong copyAndPost(env, dataPtr, msgType); 285e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 286e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong break; 287e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 288e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong default: 289e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGV("dataCallback(%d, %p)", msgType, dataPtr.get()); 290e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong copyAndPost(env, dataPtr, msgType); 291e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong break; 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29559c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparksvoid JNICameraContext::postDataTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr) 29659c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks{ 29759c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks // TODO: plumb up to Java. For now, just drop the timestamp 29859c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks postData(msgType, dataPtr); 29959c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks} 30059c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks 30194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harpvoid JNICameraContext::setCallbackMode(JNIEnv *env, bool installed, bool manualMode) 30294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp{ 30394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp Mutex::Autolock _l(mLock); 30494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualBufferMode = manualMode; 30594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualCameraCallbackSet = false; 30694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 30794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // In order to limit the over usage of binder threads, all non-manual buffer 30894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // callbacks use FRAME_CALLBACK_FLAG_BARCODE_SCANNER mode now. 30994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // 31094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // Continuous callbacks will have the callback re-registered from handleMessage. 31194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // Manual buffer mode will operate as fast as possible, relying on the finite supply 31294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // of buffers for throttling. 31394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 31494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (!installed) { 31594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mCamera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_NOOP); 316e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong clearCallbackBuffers_l(env, &mCallbackBuffers); 31794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (mManualBufferMode) { 31894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (!mCallbackBuffers.isEmpty()) { 31994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mCamera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_CAMERA); 32094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualCameraCallbackSet = true; 32194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 32294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else { 32394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mCamera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_BARCODE_SCANNER); 324e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong clearCallbackBuffers_l(env, &mCallbackBuffers); 32594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 32694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp} 32794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 328e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dongvoid JNICameraContext::addCallbackBuffer( 329e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong JNIEnv *env, jbyteArray cbb, int msgType) 33094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp{ 331e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGV("addCallbackBuffer: 0x%x", msgType); 33294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (cbb != NULL) { 33394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp Mutex::Autolock _l(mLock); 334e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong switch (msgType) { 335e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong case CAMERA_MSG_PREVIEW_FRAME: { 336e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong jbyteArray callbackBuffer = (jbyteArray)env->NewGlobalRef(cbb); 337e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong mCallbackBuffers.push(callbackBuffer); 338e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 339e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGV("Adding callback buffer to queue, %d total", 340e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong mCallbackBuffers.size()); 341e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 342e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // We want to make sure the camera knows we're ready for the 343e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // next frame. This may have come unset had we not had a 344e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // callbackbuffer ready for it last time. 345e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mManualBufferMode && !mManualCameraCallbackSet) { 346e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong mCamera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_CAMERA); 347e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong mManualCameraCallbackSet = true; 348e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 349e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong break; 350e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 351e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong case CAMERA_MSG_RAW_IMAGE: { 352e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong jbyteArray callbackBuffer = (jbyteArray)env->NewGlobalRef(cbb); 353e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong mRawImageCallbackBuffers.push(callbackBuffer); 354e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong break; 355e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 356e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong default: { 357e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong jniThrowException(env, 358e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "java/lang/IllegalArgumentException", 359e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type"); 360e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong return; 361e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 36294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 36394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else { 36494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp LOGE("Null byte array!"); 36594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 36694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp} 36794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 36894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harpvoid JNICameraContext::clearCallbackBuffers_l(JNIEnv *env) 36994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp{ 370e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong clearCallbackBuffers_l(env, &mCallbackBuffers); 371e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong clearCallbackBuffers_l(env, &mRawImageCallbackBuffers); 372e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong} 373e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 374e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dongvoid JNICameraContext::clearCallbackBuffers_l(JNIEnv *env, Vector<jbyteArray> *buffers) { 375e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGV("Clearing callback buffers, %d remained", buffers->size()); 376e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong while (!buffers->isEmpty()) { 377e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong env->DeleteGlobalRef(buffers->top()); 378e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong buffers->pop(); 37994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 38094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp} 38194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 382e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Changstatic jint android_hardware_Camera_getNumberOfCameras(JNIEnv *env, jobject thiz) 383e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang{ 384e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang return Camera::getNumberOfCameras(); 385e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang} 386e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 387b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Changstatic void android_hardware_Camera_getCameraInfo(JNIEnv *env, jobject thiz, 388b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang jint cameraId, jobject info_obj) 389b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang{ 390b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang CameraInfo cameraInfo; 391b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang status_t rc = Camera::getCameraInfo(cameraId, &cameraInfo); 392b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang if (rc != NO_ERROR) { 39369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "Fail to get camera info"); 394b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang return; 395b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang } 396b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang env->SetIntField(info_obj, fields.facing, cameraInfo.facing); 397b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang env->SetIntField(info_obj, fields.orientation, cameraInfo.orientation); 398b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang} 399b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// connect to camera service 401e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Changstatic void android_hardware_Camera_native_setup(JNIEnv *env, jobject thiz, 402e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang jobject weak_this, jint cameraId) 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 404e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang sp<Camera> camera = Camera::connect(cameraId); 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == NULL) { 40769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "Fail to connect to camera service"); 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure camera hardware is alive 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->getStatus() != NO_ERROR) { 41369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "Camera initialization failed"); 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->GetObjectClass(thiz); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clazz == NULL) { 41969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "Can't find android/hardware/Camera"); 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We use a weak reference so the Camera object can be garbage collected. 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The reference is only used as a proxy for callbacks. 4255e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks sp<JNICameraContext> context = new JNICameraContext(env, weak_this, clazz, camera); 4265e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context->incStrong(thiz); 4275e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera->setListener(context); 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // save context in opaque field 4305e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->SetIntField(thiz, fields.context, (int)context.get()); 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// disconnect from camera service 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// It's okay to call this when the native camera context is already null. 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// This handles the case where the user has called release() and the 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// finalizer is invoked later. 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_release(JNIEnv *env, jobject thiz) 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 439da57856d749457e495bd860c4ff45aaaf87c9dabDave Sparks // TODO: Change to LOGV 440f5d95cbc1a6974afeb4d3155bdaa8dae55722a39Joe Onorato LOGV("release camera"); 4415e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context = NULL; 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(sLock); 4455e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context = reinterpret_cast<JNICameraContext*>(env->GetIntField(thiz, fields.context)); 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we do not attempt to callback on a deleted Java object. 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, fields.context, 0); 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clean up if release has not been called before 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (context != NULL) { 4535e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera = context->getCamera(); 4545e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context->release(); 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("native_release: context=%p camera=%p", context, camera.get()); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clear callbacks 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera != NULL) { 4595e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_NOOP); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera->disconnect(); 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // remove context to prevent further Java access 4645e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context->decStrong(thiz); 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_setPreviewDisplay(JNIEnv *env, jobject thiz, jobject jSurface) 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("setPreviewDisplay"); 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 474b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li sp<Surface> surface = NULL; 475b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (jSurface != NULL) { 476b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li surface = reinterpret_cast<Surface*>(env->GetIntField(jSurface, fields.surface)); 477b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->setPreviewDisplay(surface) != NO_ERROR) { 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "setPreviewDisplay failed"); 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 483fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennisstatic void android_hardware_Camera_setPreviewTexture(JNIEnv *env, 484fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis jobject thiz, jobject jSurfaceTexture) 485fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis{ 486fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis LOGV("setPreviewTexture"); 487fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis sp<Camera> camera = get_native_camera(env, thiz, NULL); 488fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis if (camera == 0) return; 489fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 490fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis sp<SurfaceTexture> surfaceTexture = NULL; 491fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis if (jSurfaceTexture != NULL) { 492fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis surfaceTexture = reinterpret_cast<SurfaceTexture*>(env->GetIntField( 493fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis jSurfaceTexture, fields.surfaceTexture)); 494fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis } 495fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis if (camera->setPreviewTexture(surfaceTexture) != NO_ERROR) { 496fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis jniThrowException(env, "java/io/IOException", 497fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis "setPreviewTexture failed"); 498fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis } 499fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis} 500fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_startPreview(JNIEnv *env, jobject thiz) 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("startPreview"); 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->startPreview() != NO_ERROR) { 50869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "startPreview failed"); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_stopPreview(JNIEnv *env, jobject thiz) 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("stopPreview"); 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, NULL); 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return; 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c->stopPreview(); 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic bool android_hardware_Camera_previewEnabled(JNIEnv *env, jobject thiz) 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("previewEnabled"); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, NULL); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return false; 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c->previewEnabled(); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harpstatic void android_hardware_Camera_setHasPreviewCallback(JNIEnv *env, jobject thiz, jboolean installed, jboolean manualBuffer) 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 53394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp LOGV("setHasPreviewCallback: installed:%d, manualBuffer:%d", (int)installed, (int)manualBuffer); 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Important: Only install preview_callback if the Java code has called 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // setPreviewCallback() with a non-null value, otherwise we'd pay to memcpy 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // each preview frame for nothing. 5375e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context; 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, &context); 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // setCallbackMode will take care of setting the context flags and calling 54294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // camera->setPreviewCallbackFlags within a mutex for us. 54394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp context->setCallbackMode(env, installed, manualBuffer); 54494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp} 54594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 546e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dongstatic void android_hardware_Camera_addCallbackBuffer(JNIEnv *env, jobject thiz, jbyteArray bytes, int msgType) { 547e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGV("addCallbackBuffer: 0x%x", msgType); 54894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 54994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp JNICameraContext* context = reinterpret_cast<JNICameraContext*>(env->GetIntField(thiz, fields.context)); 55094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 55194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (context != NULL) { 552e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong context->addCallbackBuffer(env, bytes, msgType); 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_autoFocus(JNIEnv *env, jobject thiz) 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("autoFocus"); 5595e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, &context); 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return; 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c->autoFocus() != NO_ERROR) { 56469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "autoFocus failed"); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 568244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Changstatic void android_hardware_Camera_cancelAutoFocus(JNIEnv *env, jobject thiz) 569244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang{ 570244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang LOGV("cancelAutoFocus"); 571244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang JNICameraContext* context; 572244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang sp<Camera> c = get_native_camera(env, thiz, &context); 573244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang if (c == 0) return; 574244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 575244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang if (c->cancelAutoFocus() != NO_ERROR) { 57669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "cancelAutoFocus failed"); 577244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 578244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang} 579244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 580e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dongstatic void android_hardware_Camera_takePicture(JNIEnv *env, jobject thiz, int msgType) 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("takePicture"); 5835e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, &context); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 587e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /* 588e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * When CAMERA_MSG_RAW_IMAGE is requested, if the raw image callback 589e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer is available, CAMERA_MSG_RAW_IMAGE is enabled to get the 590e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * notification _and_ the data; otherwise, CAMERA_MSG_RAW_IMAGE_NOTIFY 591e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is enabled to receive the callback notification but no data. 592e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 593e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Note that CAMERA_MSG_RAW_IMAGE_NOTIFY is not exposed to the 594e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Java application. 595e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 596e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType & CAMERA_MSG_RAW_IMAGE) { 597e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGV("Enable raw image callback buffer"); 598e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (!context->isRawImageCallbackBufferAvailable()) { 599e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong LOGV("Enable raw image notification, since no callback buffer exists"); 600e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType &= ~CAMERA_MSG_RAW_IMAGE; 601e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE_NOTIFY; 602e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 603e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 604e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 605e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (camera->takePicture(msgType) != NO_ERROR) { 60669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "takePicture failed"); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_setParameters(JNIEnv *env, jobject thiz, jstring params) 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("setParameters"); 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(params, 0); 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 params8; 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params) { 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params8 = String8(str, env->GetStringLength(params)); 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(params, str); 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->setParameters(params8) != NO_ERROR) { 62469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "setParameters failed"); 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jstring android_hardware_Camera_getParameters(JNIEnv *env, jobject thiz) 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("getParameters"); 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return 0; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return env->NewStringUTF(camera->getParameters().string()); 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_reconnect(JNIEnv *env, jobject thiz) 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("reconnect"); 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->reconnect() != NO_ERROR) { 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "reconnect failed"); 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 650ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Listatic void android_hardware_Camera_lock(JNIEnv *env, jobject thiz) 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("lock"); 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 654ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li if (camera == 0) return; 655ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li 656ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li if (camera->lock() != NO_ERROR) { 65769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "lock failed"); 658ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li } 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 661ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Listatic void android_hardware_Camera_unlock(JNIEnv *env, jobject thiz) 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("unlock"); 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 665ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li if (camera == 0) return; 666ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li 667ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li if (camera->unlock() != NO_ERROR) { 66869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "unlock failed"); 669ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 67236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Listatic void android_hardware_Camera_startSmoothZoom(JNIEnv *env, jobject thiz, jint value) 67336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li{ 674f5d95cbc1a6974afeb4d3155bdaa8dae55722a39Joe Onorato LOGV("startSmoothZoom"); 67536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li sp<Camera> camera = get_native_camera(env, thiz, NULL); 67636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li if (camera == 0) return; 67736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 6780ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li status_t rc = camera->sendCommand(CAMERA_CMD_START_SMOOTH_ZOOM, value, 0); 6790ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li if (rc == BAD_VALUE) { 6800ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li char msg[64]; 6810ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li sprintf(msg, "invalid zoom value=%d", value); 6820ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li jniThrowException(env, "java/lang/IllegalArgumentException", msg); 6830ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li } else if (rc != NO_ERROR) { 68469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "start smooth zoom failed"); 68536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 68636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li} 68736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 68836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Listatic void android_hardware_Camera_stopSmoothZoom(JNIEnv *env, jobject thiz) 68936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li{ 690f5d95cbc1a6974afeb4d3155bdaa8dae55722a39Joe Onorato LOGV("stopSmoothZoom"); 69136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li sp<Camera> camera = get_native_camera(env, thiz, NULL); 69236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li if (camera == 0) return; 69336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 69436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li if (camera->sendCommand(CAMERA_CMD_STOP_SMOOTH_ZOOM, 0, 0) != NO_ERROR) { 69569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "stop smooth zoom failed"); 69636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 69736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li} 69836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 699d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Changstatic void android_hardware_Camera_setDisplayOrientation(JNIEnv *env, jobject thiz, 700d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang jint value) 701d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang{ 702d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang LOGV("setDisplayOrientation"); 703d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang sp<Camera> camera = get_native_camera(env, thiz, NULL); 704d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang if (camera == 0) return; 705d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 706d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang if (camera->sendCommand(CAMERA_CMD_SET_DISPLAY_ORIENTATION, value, 0) != NO_ERROR) { 70769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowRuntimeException(env, "set display orientation failed"); 708d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang } 709d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang} 710d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//------------------------------------------------- 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod camMethods[] = { 714e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang { "getNumberOfCameras", 715e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang "()I", 716e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang (void *)android_hardware_Camera_getNumberOfCameras }, 717b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang { "getCameraInfo", 718b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang "(ILandroid/hardware/Camera$CameraInfo;)V", 719b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang (void*)android_hardware_Camera_getCameraInfo }, 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_setup", 721e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang "(Ljava/lang/Object;I)V", 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_native_setup }, 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_release", 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_release }, 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "setPreviewDisplay", 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Landroid/view/Surface;)V", 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setPreviewDisplay }, 729fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis { "setPreviewTexture", 730fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis "(Landroid/graphics/SurfaceTexture;)V", 731fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis (void *)android_hardware_Camera_setPreviewTexture }, 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "startPreview", 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_startPreview }, 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "stopPreview", 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_stopPreview }, 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "previewEnabled", 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()Z", 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_previewEnabled }, 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "setHasPreviewCallback", 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(ZZ)V", 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setHasPreviewCallback }, 744e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { "_addCallbackBuffer", 745e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "([BI)V", 74694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp (void *)android_hardware_Camera_addCallbackBuffer }, 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_autoFocus", 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_autoFocus }, 750244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { "native_cancelAutoFocus", 751244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang "()V", 752244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang (void *)android_hardware_Camera_cancelAutoFocus }, 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_takePicture", 754e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "(I)V", 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_takePicture }, 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_setParameters", 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Ljava/lang/String;)V", 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setParameters }, 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_getParameters", 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()Ljava/lang/String;", 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_getParameters }, 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "reconnect", 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_reconnect }, 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "lock", 766ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li "()V", 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_lock }, 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "unlock", 769ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li "()V", 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_unlock }, 77136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li { "startSmoothZoom", 77236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li "(I)V", 77336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li (void *)android_hardware_Camera_startSmoothZoom }, 77436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li { "stopSmoothZoom", 77536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li "()V", 77636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li (void *)android_hardware_Camera_stopSmoothZoom }, 777d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang { "setDisplayOrientation", 778d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang "(I)V", 779d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang (void *)android_hardware_Camera_setDisplayOrientation }, 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct field { 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *class_name; 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *field_name; 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *field_type; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID *jfield; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int find_fields(JNIEnv *env, field *fields, int count) 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project field *f = &fields[i]; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->FindClass(f->class_name); 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clazz == NULL) { 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find %s", f->class_name); 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID field = env->GetFieldID(clazz, f->field_name, f->field_type); 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (field == NULL) { 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find %s.%s", f->class_name, f->field_name); 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *(f->jfield) = field; 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Get all the required offsets in java class and register native functions 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_hardware_Camera(JNIEnv *env) 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project field fields_to_find[] = { 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "android/hardware/Camera", "mNativeContext", "I", &fields.context }, 816b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang { "android/view/Surface", ANDROID_VIEW_SURFACE_JNI_ID, "I", &fields.surface }, 817fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis { "android/graphics/SurfaceTexture", 818fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis ANDROID_GRAPHICS_SURFACETEXTURE_JNI_ID, "I", &fields.surfaceTexture }, 8193fd5fa4ca9dbdd5be46ec2952c7038cdd59e35d5Wu-cheng Li { "android/hardware/Camera$CameraInfo", "facing", "I", &fields.facing }, 8203fd5fa4ca9dbdd5be46ec2952c7038cdd59e35d5Wu-cheng Li { "android/hardware/Camera$CameraInfo", "orientation", "I", &fields.orientation }, 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (find_fields(env, fields_to_find, NELEM(fields_to_find)) < 0) 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->FindClass("android/hardware/Camera"); 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.post_event = env->GetStaticMethodID(clazz, "postEventFromNative", 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Ljava/lang/Object;IIILjava/lang/Object;)V"); 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fields.post_event == NULL) { 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find android/hardware/Camera.postEventFromNative"); 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Register native functions 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods(env, "android/hardware/Camera", 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camMethods, NELEM(camMethods)); 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 839