android_hardware_Camera.cpp revision b8bb78f54b48868465a9d69d65fda08524ab5ae1
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 28000479f9e325b4e426a67033abd92d47da412725Mathias Agopian#include <surfaceflinger/Surface.h> 29000479f9e325b4e426a67033abd92d47da412725Mathias Agopian#include <camera/Camera.h> 300795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IMemory.h> 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct fields_t { 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID context; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID surface; 37b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang jfieldID facing; 38b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang jfieldID orientation; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID post_event; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic fields_t fields; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic Mutex sLock; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 455e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks// provides persistent context for calls from native code to Java 465e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksclass JNICameraContext: public CameraListener 475e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 485e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparkspublic: 495e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext(JNIEnv* env, jobject weak_this, jclass clazz, const sp<Camera>& camera); 505e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks ~JNICameraContext() { release(); } 515e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks virtual void notify(int32_t msgType, int32_t ext1, int32_t ext2); 525e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks virtual void postData(int32_t msgType, const sp<IMemory>& dataPtr); 5359c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks virtual void postDataTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr); 5494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp void addCallbackBuffer(JNIEnv *env, jbyteArray cbb); 5594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp void setCallbackMode(JNIEnv *env, bool installed, bool manualMode); 565e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks sp<Camera> getCamera() { Mutex::Autolock _l(mLock); return mCamera; } 575e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks void release(); 585e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 595e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksprivate: 605e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks void copyAndPost(JNIEnv* env, const sp<IMemory>& dataPtr, int msgType); 6194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp void clearCallbackBuffers_l(JNIEnv *env); 625e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject mCameraJObjectWeak; // weak reference to java object 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mCameraJClass; // strong reference to java class 65ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li sp<Camera> mCamera; // strong reference to native object 665e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex mLock; 6794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 6894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp Vector<jbyteArray> mCallbackBuffers; // Global reference application managed byte[] 6994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp bool mManualBufferMode; // Whether to use application managed buffers. 7094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp bool mManualCameraCallbackSet; // Whether the callback has been set, used to reduce unnecessary calls to set the callback. 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 735e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparkssp<Camera> get_native_camera(JNIEnv *env, jobject thiz, JNICameraContext** pContext) 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(sLock); 775e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context = reinterpret_cast<JNICameraContext*>(env->GetIntField(thiz, fields.context)); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (context != NULL) { 795e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera = context->getCamera(); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("get_native_camera: context=%p, camera=%p", context, camera.get()); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) { 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Method called after release()"); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pContext != NULL) *pContext = context; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return camera; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 905e27115995c4506dddf4f1271effd4fb4c935ad3Dave SparksJNICameraContext::JNICameraContext(JNIEnv* env, jobject weak_this, jclass clazz, const sp<Camera>& camera) 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 925e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJObjectWeak = env->NewGlobalRef(weak_this); 935e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJClass = (jclass)env->NewGlobalRef(clazz); 945e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCamera = camera; 9594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 9694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualBufferMode = false; 9794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualCameraCallbackSet = false; 985e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1005e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::release() 1015e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 1025e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGV("release"); 1035e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex::Autolock _l(mLock); 1045e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNIEnv *env = AndroidRuntime::getJNIEnv(); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1065e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (mCameraJObjectWeak != NULL) { 1075e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->DeleteGlobalRef(mCameraJObjectWeak); 1085e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJObjectWeak = NULL; 1095e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1105e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (mCameraJClass != NULL) { 1115e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->DeleteGlobalRef(mCameraJClass); 1125e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJClass = NULL; 1135e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 11494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp clearCallbackBuffers_l(env); 1155e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCamera.clear(); 1165e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 1175e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1185e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::notify(int32_t msgType, int32_t ext1, int32_t ext2) 1195e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 1205e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGV("notify"); 1215e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1225e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // VM pointer will be NULL if object is released 1235e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex::Autolock _l(mLock); 1245e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (mCameraJObjectWeak == NULL) { 1255e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGW("callback on dead camera object"); 1265e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks return; 1275e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1285e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNIEnv *env = AndroidRuntime::getJNIEnv(); 129c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks env->CallStaticVoidMethod(mCameraJClass, fields.post_event, 1306157de0e2d87568d6d5071b11aeb033a7986b279Chih-Chung Chang mCameraJObjectWeak, msgType, ext1, ext2, NULL); 1315e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 1325e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1335e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::copyAndPost(JNIEnv* env, const sp<IMemory>& dataPtr, int msgType) 1345e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 1355e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks jbyteArray obj = NULL; 1365e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1375e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // allocate Java byte array and copy data 1385e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (dataPtr != NULL) { 1395e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks ssize_t offset; 1405e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks size_t size; 1415e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks sp<IMemoryHeap> heap = dataPtr->getMemory(&offset, &size); 1425e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGV("postData: off=%d, size=%d", offset, size); 1435e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks uint8_t *heapBase = (uint8_t*)heap->base(); 1445e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 1455e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (heapBase != NULL) { 146c4ca420625183a8efa619e06287b47f3d2e72283Dave Sparks const jbyte* data = reinterpret_cast<const jbyte*>(heapBase + offset); 14794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 14894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (!mManualBufferMode) { 14994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp LOGV("Allocating callback buffer"); 15094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp obj = env->NewByteArray(size); 15194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else { 15294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // Vector access should be protected by lock in postData() 15394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if(!mCallbackBuffers.isEmpty()) { 15494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp LOGV("Using callback buffer from queue of length %d", mCallbackBuffers.size()); 15594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp jbyteArray globalBuffer = mCallbackBuffers.itemAt(0); 15694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mCallbackBuffers.removeAt(0); 15794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 15894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp obj = (jbyteArray)env->NewLocalRef(globalBuffer); 15994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp env->DeleteGlobalRef(globalBuffer); 16094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 16194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (obj != NULL) { 16294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp jsize bufferLength = env->GetArrayLength(obj); 16394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if ((int)bufferLength < (int)size) { 16494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp LOGE("Manually set buffer was too small! Expected %d bytes, but got %d!", 16594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp size, bufferLength); 16694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp env->DeleteLocalRef(obj); 16794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp return; 16894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 16994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 17094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 17194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 17294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if(mCallbackBuffers.isEmpty()) { 173f5dbf6a62af04af9e88c5552aa7eeffb0a2394a4Wu-cheng Li LOGV("Out of buffers, clearing callback!"); 17494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mCamera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_NOOP); 17594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualCameraCallbackSet = false; 17694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 17794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (obj == NULL) { 17894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp return; 17994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 18094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 18194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 18294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 1835e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (obj == NULL) { 1845e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGE("Couldn't allocate byte array for JPEG data"); 1855e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->ExceptionClear(); 1865e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } else { 187a95f495f75d0516ad48576500f64a3ffea037af8Dave Sparks env->SetByteArrayRegion(obj, 0, size, data); 1885e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1895e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } else { 1905e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGE("image heap is NULL"); 1915e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1925e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1945e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // post image data to Java 1955e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->CallStaticVoidMethod(mCameraJClass, fields.post_event, 1965e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks mCameraJObjectWeak, msgType, 0, 0, obj); 1975e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks if (obj) { 1985e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->DeleteLocalRef(obj); 1995e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks } 2005e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks} 2015e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 2025e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparksvoid JNICameraContext::postData(int32_t msgType, const sp<IMemory>& dataPtr) 2035e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks{ 2045e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // VM pointer will be NULL if object is released 2055e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks Mutex::Autolock _l(mLock); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv *env = AndroidRuntime::getJNIEnv(); 207d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks if (mCameraJObjectWeak == NULL) { 208d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks LOGW("callback on dead camera object"); 209d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks return; 210d0cbb1a52d1b2b8b04a122501d696938b295e502Dave Sparks } 2115e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks 2125e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks // return data based on callback type 2135e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks switch(msgType) { 2145e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks case CAMERA_MSG_VIDEO_FRAME: 215c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks // should never happen 2165e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks break; 217c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks // don't return raw data to Java 2185e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks case CAMERA_MSG_RAW_IMAGE: 2195e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks LOGV("rawCallback"); 2205e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->CallStaticVoidMethod(mCameraJClass, fields.post_event, 221c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks mCameraJObjectWeak, msgType, 0, 0, NULL); 2225e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks break; 2235e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks default: 224da57856d749457e495bd860c4ff45aaaf87c9dabDave Sparks // TODO: Change to LOGV 225c95a176d6f0aa48314d98f5c1f50821ac86137a7Dave Sparks LOGV("dataCallback(%d, %p)", msgType, dataPtr.get()); 226c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks copyAndPost(env, dataPtr, msgType); 2275e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks break; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23159c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparksvoid JNICameraContext::postDataTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr) 23259c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks{ 23359c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks // TODO: plumb up to Java. For now, just drop the timestamp 23459c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks postData(msgType, dataPtr); 23559c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks} 23659c1a935295cb30c2ba2f759855e89c174b42a07Dave Sparks 23794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harpvoid JNICameraContext::setCallbackMode(JNIEnv *env, bool installed, bool manualMode) 23894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp{ 23994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp Mutex::Autolock _l(mLock); 24094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualBufferMode = manualMode; 24194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualCameraCallbackSet = false; 24294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 24394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // In order to limit the over usage of binder threads, all non-manual buffer 24494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // callbacks use FRAME_CALLBACK_FLAG_BARCODE_SCANNER mode now. 24594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // 24694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // Continuous callbacks will have the callback re-registered from handleMessage. 24794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // Manual buffer mode will operate as fast as possible, relying on the finite supply 24894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // of buffers for throttling. 24994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 25094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (!installed) { 25194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mCamera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_NOOP); 25294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp clearCallbackBuffers_l(env); 25394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (mManualBufferMode) { 25494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (!mCallbackBuffers.isEmpty()) { 25594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mCamera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_CAMERA); 25694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualCameraCallbackSet = true; 25794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 25894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else { 25994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mCamera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_BARCODE_SCANNER); 26094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp clearCallbackBuffers_l(env); 26194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 26294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp} 26394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 26494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harpvoid JNICameraContext::addCallbackBuffer(JNIEnv *env, jbyteArray cbb) 26594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp{ 26694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (cbb != NULL) { 26794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp Mutex::Autolock _l(mLock); 26894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp jbyteArray callbackBuffer = (jbyteArray)env->NewGlobalRef(cbb); 26994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mCallbackBuffers.push(cbb); 27094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 27194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp LOGV("Adding callback buffer to queue, %d total", mCallbackBuffers.size()); 27294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 27394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // We want to make sure the camera knows we're ready for the next frame. 27494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // This may have come unset had we not had a callbackbuffer ready for it last time. 27594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (mManualBufferMode && !mManualCameraCallbackSet) { 27694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mCamera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_CAMERA); 27794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mManualCameraCallbackSet = true; 27894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 27994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else { 28094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp LOGE("Null byte array!"); 28194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 28294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp} 28394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 28494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harpvoid JNICameraContext::clearCallbackBuffers_l(JNIEnv *env) 28594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp{ 28694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp LOGV("Clearing callback buffers, %d remained", mCallbackBuffers.size()); 28794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp while(!mCallbackBuffers.isEmpty()) { 28894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp env->DeleteGlobalRef(mCallbackBuffers.top()); 28994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mCallbackBuffers.pop(); 29094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 29194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp} 29294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 293e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Changstatic jint android_hardware_Camera_getNumberOfCameras(JNIEnv *env, jobject thiz) 294e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang{ 295e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang return Camera::getNumberOfCameras(); 296e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang} 297e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 298b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Changstatic void android_hardware_Camera_getCameraInfo(JNIEnv *env, jobject thiz, 299b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang jint cameraId, jobject info_obj) 300b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang{ 301b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang CameraInfo cameraInfo; 302b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang status_t rc = Camera::getCameraInfo(cameraId, &cameraInfo); 303b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang if (rc != NO_ERROR) { 304b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang jniThrowException(env, "java/lang/RuntimeException", 305b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang "Fail to get camera info"); 306b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang return; 307b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang } 308b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang env->SetIntField(info_obj, fields.facing, cameraInfo.facing); 309b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang env->SetIntField(info_obj, fields.orientation, cameraInfo.orientation); 310b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang} 311b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// connect to camera service 313e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Changstatic void android_hardware_Camera_native_setup(JNIEnv *env, jobject thiz, 314e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang jobject weak_this, jint cameraId) 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 316e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang sp<Camera> camera = Camera::connect(cameraId); 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == NULL) { 319fa3e5562793c5bd7d4513a9e1a5869e763a47ab5Wu-cheng Li jniThrowException(env, "java/lang/RuntimeException", 320fa3e5562793c5bd7d4513a9e1a5869e763a47ab5Wu-cheng Li "Fail to connect to camera service"); 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure camera hardware is alive 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->getStatus() != NO_ERROR) { 326ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "Camera initialization failed"); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->GetObjectClass(thiz); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clazz == NULL) { 332ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "Can't find android/hardware/Camera"); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We use a weak reference so the Camera object can be garbage collected. 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The reference is only used as a proxy for callbacks. 3385e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks sp<JNICameraContext> context = new JNICameraContext(env, weak_this, clazz, camera); 3395e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context->incStrong(thiz); 3405e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera->setListener(context); 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // save context in opaque field 3435e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks env->SetIntField(thiz, fields.context, (int)context.get()); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// disconnect from camera service 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// It's okay to call this when the native camera context is already null. 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// This handles the case where the user has called release() and the 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// finalizer is invoked later. 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_release(JNIEnv *env, jobject thiz) 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 352da57856d749457e495bd860c4ff45aaaf87c9dabDave Sparks // TODO: Change to LOGV 353f5d95cbc1a6974afeb4d3155bdaa8dae55722a39Joe Onorato LOGV("release camera"); 3545e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context = NULL; 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera; 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(sLock); 3585e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context = reinterpret_cast<JNICameraContext*>(env->GetIntField(thiz, fields.context)); 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure we do not attempt to callback on a deleted Java object. 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(thiz, fields.context, 0); 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clean up if release has not been called before 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (context != NULL) { 3665e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera = context->getCamera(); 3675e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context->release(); 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("native_release: context=%p camera=%p", context, camera.get()); 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clear callbacks 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera != NULL) { 3725e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks camera->setPreviewCallbackFlags(FRAME_CALLBACK_FLAG_NOOP); 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camera->disconnect(); 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // remove context to prevent further Java access 3775e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks context->decStrong(thiz); 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_setPreviewDisplay(JNIEnv *env, jobject thiz, jobject jSurface) 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("setPreviewDisplay"); 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 387b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li sp<Surface> surface = NULL; 388b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (jSurface != NULL) { 389b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li surface = reinterpret_cast<Surface*>(env->GetIntField(jSurface, fields.surface)); 390b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->setPreviewDisplay(surface) != NO_ERROR) { 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "setPreviewDisplay failed"); 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_startPreview(JNIEnv *env, jobject thiz) 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("startPreview"); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->startPreview() != NO_ERROR) { 403ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "startPreview failed"); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_stopPreview(JNIEnv *env, jobject thiz) 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("stopPreview"); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, NULL); 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return; 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c->stopPreview(); 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic bool android_hardware_Camera_previewEnabled(JNIEnv *env, jobject thiz) 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("previewEnabled"); 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, NULL); 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return false; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c->previewEnabled(); 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harpstatic void android_hardware_Camera_setHasPreviewCallback(JNIEnv *env, jobject thiz, jboolean installed, jboolean manualBuffer) 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 42894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp LOGV("setHasPreviewCallback: installed:%d, manualBuffer:%d", (int)installed, (int)manualBuffer); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Important: Only install preview_callback if the Java code has called 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // setPreviewCallback() with a non-null value, otherwise we'd pay to memcpy 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // each preview frame for nothing. 4325e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, &context); 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // setCallbackMode will take care of setting the context flags and calling 43794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp // camera->setPreviewCallbackFlags within a mutex for us. 43894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp context->setCallbackMode(env, installed, manualBuffer); 43994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp} 44094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 44194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harpstatic void android_hardware_Camera_addCallbackBuffer(JNIEnv *env, jobject thiz, jbyteArray bytes) { 44294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp LOGV("addCallbackBuffer"); 44394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 44494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp JNICameraContext* context = reinterpret_cast<JNICameraContext*>(env->GetIntField(thiz, fields.context)); 44594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 44694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp if (context != NULL) { 44794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp context->addCallbackBuffer(env, bytes); 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_autoFocus(JNIEnv *env, jobject thiz) 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("autoFocus"); 4545e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context; 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> c = get_native_camera(env, thiz, &context); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == 0) return; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c->autoFocus() != NO_ERROR) { 459ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "autoFocus failed"); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 463244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Changstatic void android_hardware_Camera_cancelAutoFocus(JNIEnv *env, jobject thiz) 464244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang{ 465244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang LOGV("cancelAutoFocus"); 466244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang JNICameraContext* context; 467244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang sp<Camera> c = get_native_camera(env, thiz, &context); 468244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang if (c == 0) return; 469244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 470244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang if (c->cancelAutoFocus() != NO_ERROR) { 471244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang jniThrowException(env, "java/lang/RuntimeException", "cancelAutoFocus failed"); 472244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 473244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang} 474244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_takePicture(JNIEnv *env, jobject thiz) 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("takePicture"); 4785e27115995c4506dddf4f1271effd4fb4c935ad3Dave Sparks JNICameraContext* context; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, &context); 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->takePicture() != NO_ERROR) { 483ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "takePicture failed"); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_setParameters(JNIEnv *env, jobject thiz, jstring params) 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("setParameters"); 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(params, 0); 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 params8; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params) { 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params8 = String8(str, env->GetStringLength(params)); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(params, str); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->setParameters(params8) != NO_ERROR) { 501ba55b3654b3eb4b9ab340b4635c4400a4c66237cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "setParameters failed"); 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jstring android_hardware_Camera_getParameters(JNIEnv *env, jobject thiz) 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("getParameters"); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return 0; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return env->NewStringUTF(camera->getParameters().string()); 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_hardware_Camera_reconnect(JNIEnv *env, jobject thiz) 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("reconnect"); 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera == 0) return; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (camera->reconnect() != NO_ERROR) { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/IOException", "reconnect failed"); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 527ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Listatic void android_hardware_Camera_lock(JNIEnv *env, jobject thiz) 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("lock"); 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 531ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li if (camera == 0) return; 532ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li 533ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li if (camera->lock() != NO_ERROR) { 534ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "lock failed"); 535ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li } 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 538ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Listatic void android_hardware_Camera_unlock(JNIEnv *env, jobject thiz) 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("unlock"); 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<Camera> camera = get_native_camera(env, thiz, NULL); 542ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li if (camera == 0) return; 543ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li 544ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li if (camera->unlock() != NO_ERROR) { 545ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "unlock failed"); 546ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li } 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Listatic void android_hardware_Camera_startSmoothZoom(JNIEnv *env, jobject thiz, jint value) 55036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li{ 551f5d95cbc1a6974afeb4d3155bdaa8dae55722a39Joe Onorato LOGV("startSmoothZoom"); 55236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li sp<Camera> camera = get_native_camera(env, thiz, NULL); 55336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li if (camera == 0) return; 55436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 5550ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li status_t rc = camera->sendCommand(CAMERA_CMD_START_SMOOTH_ZOOM, value, 0); 5560ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li if (rc == BAD_VALUE) { 5570ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li char msg[64]; 5580ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li sprintf(msg, "invalid zoom value=%d", value); 5590ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li jniThrowException(env, "java/lang/IllegalArgumentException", msg); 5600ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li } else if (rc != NO_ERROR) { 56136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "start smooth zoom failed"); 56236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 56336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li} 56436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 56536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Listatic void android_hardware_Camera_stopSmoothZoom(JNIEnv *env, jobject thiz) 56636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li{ 567f5d95cbc1a6974afeb4d3155bdaa8dae55722a39Joe Onorato LOGV("stopSmoothZoom"); 56836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li sp<Camera> camera = get_native_camera(env, thiz, NULL); 56936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li if (camera == 0) return; 57036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 57136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li if (camera->sendCommand(CAMERA_CMD_STOP_SMOOTH_ZOOM, 0, 0) != NO_ERROR) { 57236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li jniThrowException(env, "java/lang/RuntimeException", "stop smooth zoom failed"); 57336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 57436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li} 57536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 576d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Changstatic void android_hardware_Camera_setDisplayOrientation(JNIEnv *env, jobject thiz, 577d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang jint value) 578d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang{ 579d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang LOGV("setDisplayOrientation"); 580d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang sp<Camera> camera = get_native_camera(env, thiz, NULL); 581d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang if (camera == 0) return; 582d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 583d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang if (camera->sendCommand(CAMERA_CMD_SET_DISPLAY_ORIENTATION, value, 0) != NO_ERROR) { 584d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang jniThrowException(env, "java/lang/RuntimeException", "set display orientation failed"); 585d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang } 586d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang} 587d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//------------------------------------------------- 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod camMethods[] = { 591e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang { "getNumberOfCameras", 592e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang "()I", 593e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang (void *)android_hardware_Camera_getNumberOfCameras }, 594b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang { "getCameraInfo", 595b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang "(ILandroid/hardware/Camera$CameraInfo;)V", 596b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang (void*)android_hardware_Camera_getCameraInfo }, 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_setup", 598e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang "(Ljava/lang/Object;I)V", 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_native_setup }, 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_release", 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_release }, 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "setPreviewDisplay", 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Landroid/view/Surface;)V", 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setPreviewDisplay }, 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "startPreview", 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_startPreview }, 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "stopPreview", 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_stopPreview }, 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "previewEnabled", 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()Z", 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_previewEnabled }, 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "setHasPreviewCallback", 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(ZZ)V", 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setHasPreviewCallback }, 61894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp { "addCallbackBuffer", 61994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp "([B)V", 62094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp (void *)android_hardware_Camera_addCallbackBuffer }, 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_autoFocus", 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_autoFocus }, 624244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { "native_cancelAutoFocus", 625244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang "()V", 626244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang (void *)android_hardware_Camera_cancelAutoFocus }, 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_takePicture", 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_takePicture }, 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_setParameters", 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Ljava/lang/String;)V", 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_setParameters }, 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "native_getParameters", 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()Ljava/lang/String;", 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *)android_hardware_Camera_getParameters }, 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "reconnect", 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "()V", 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_reconnect }, 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "lock", 640ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li "()V", 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_lock }, 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "unlock", 643ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li "()V", 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*)android_hardware_Camera_unlock }, 64536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li { "startSmoothZoom", 64636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li "(I)V", 64736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li (void *)android_hardware_Camera_startSmoothZoom }, 64836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li { "stopSmoothZoom", 64936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li "()V", 65036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li (void *)android_hardware_Camera_stopSmoothZoom }, 651d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang { "setDisplayOrientation", 652d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang "(I)V", 653d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang (void *)android_hardware_Camera_setDisplayOrientation }, 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstruct field { 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *class_name; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *field_name; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char *field_type; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID *jfield; 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int find_fields(JNIEnv *env, field *fields, int count) 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project field *f = &fields[i]; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->FindClass(f->class_name); 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clazz == NULL) { 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find %s", f->class_name); 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID field = env->GetFieldID(clazz, f->field_name, f->field_type); 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (field == NULL) { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find %s.%s", f->class_name, f->field_name); 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *(f->jfield) = field; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Get all the required offsets in java class and register native functions 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_hardware_Camera(JNIEnv *env) 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project field fields_to_find[] = { 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "android/hardware/Camera", "mNativeContext", "I", &fields.context }, 690b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang { "android/view/Surface", ANDROID_VIEW_SURFACE_JNI_ID, "I", &fields.surface }, 691b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang { "android/hardware/Camera$CameraInfo", "mFacing", "I", &fields.facing }, 692b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang { "android/hardware/Camera$CameraInfo", "mOrientation", "I", &fields.orientation }, 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (find_fields(env, fields_to_find, NELEM(fields_to_find)) < 0) 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz = env->FindClass("android/hardware/Camera"); 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.post_event = env->GetStaticMethodID(clazz, "postEventFromNative", 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Ljava/lang/Object;IIILjava/lang/Object;)V"); 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fields.post_event == NULL) { 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Can't find android/hardware/Camera.postEventFromNative"); 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Register native functions 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods(env, "android/hardware/Camera", 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project camMethods, NELEM(camMethods)); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 712