android_hardware_camera2_CameraMetadata.cpp revision 32ef3ae085288597fb86ab97e42ced1da9691362
170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin/* 270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** 370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** Copyright 2013, The Android Open Source Project 470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** 570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** Licensed under the Apache License, Version 2.0 (the "License"); 670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** you may not use this file except in compliance with the License. 770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** You may obtain a copy of the License at 870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** 970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** http://www.apache.org/licenses/LICENSE-2.0 1070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** 1170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** Unless required by applicable law or agreed to in writing, software 1270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** distributed under the License is distributed on an "AS IS" BASIS, 1370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** See the License for the specific language governing permissions and 1570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin** limitations under the License. 1670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin*/ 1770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 1870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin// #define LOG_NDEBUG 0 19b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin// #define LOG_NNDEBUG 0 2070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#define LOG_TAG "CameraMetadata-JNI" 2132ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk#include <utils/Errors.h> 2270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include <utils/Log.h> 2385c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk#include <utils/RefBase.h> 2432ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk#include <utils/Vector.h> 2532ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk#include <utils/SortedVector.h> 2632ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk#include <utils/KeyedVector.h> 2785c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk#include <string.h> 2870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 2970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include "jni.h" 3070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include "JNIHelp.h" 3170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include "android_os_Parcel.h" 3270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include "android_runtime/AndroidRuntime.h" 3370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 3485c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk#include <binder/IServiceManager.h> 3570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include <camera/CameraMetadata.h> 3685c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk#include <camera/ICameraService.h> 3785c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk#include <camera/VendorTagDescriptor.h> 38b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#include <nativehelper/ScopedUtfChars.h> 39b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#include <nativehelper/ScopedPrimitiveArray.h> 40b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 41b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#if defined(LOG_NNDEBUG) 42b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#if !LOG_NNDEBUG 43b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#define ALOGVV ALOGV 44b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#endif 45b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#else 46b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#define ALOGVV(...) 47b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#endif 4870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 4970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin// fully-qualified class name 5070c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala#define CAMERA_METADATA_CLASS_NAME "android/hardware/camera2/impl/CameraMetadataNative" 5170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 5270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinusing namespace android; 5370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 5470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstruct fields_t { 5570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jfieldID metadata_ptr; 5670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin}; 5770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 5870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic fields_t fields; 5970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 60b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinnamespace { 61b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstruct Helpers { 62b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin static size_t getTypeSize(uint8_t type) { 63b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (type >= NUM_TYPES) { 64b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGE("%s: Invalid type specified (%ud)", __FUNCTION__, type); 65b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return static_cast<size_t>(-1); 66b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 67b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 68b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return camera_metadata_type_size[type]; 69b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 70b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 71b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin static status_t updateAny(CameraMetadata *metadata, 72b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin uint32_t tag, 73b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin uint32_t type, 74b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const void *data, 75b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t dataBytes) { 76b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 77b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (type >= NUM_TYPES) { 78b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGE("%s: Invalid type specified (%ud)", __FUNCTION__, type); 79b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return INVALID_OPERATION; 80b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 81b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 82b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t typeSize = getTypeSize(type); 83b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 84b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (dataBytes % typeSize != 0) { 85b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGE("%s: Expected dataBytes (%ud) to be divisible by typeSize " 86b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "(%ud)", __FUNCTION__, dataBytes, typeSize); 87b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return BAD_VALUE; 88b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 89b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 90b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t dataCount = dataBytes / typeSize; 91b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 92b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin switch(type) { 93b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#define METADATA_UPDATE(runtime_type, compile_type) \ 94b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin case runtime_type: { \ 95b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const compile_type *dataPtr = \ 96b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin static_cast<const compile_type*>(data); \ 97b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return metadata->update(tag, dataPtr, dataCount); \ 98b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } \ 99b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 100b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_BYTE, uint8_t); 101b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_INT32, int32_t); 102b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_FLOAT, float); 103b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_INT64, int64_t); 104b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_DOUBLE, double); 105b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_RATIONAL, camera_metadata_rational_t); 106b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 107b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin default: { 108b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // unreachable 109b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGE("%s: Unreachable", __FUNCTION__); 110b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return INVALID_OPERATION; 111b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 112b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 113b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 114b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#undef METADATA_UPDATE 115b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 116b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin}; 117b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin} // namespace {} 118b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 11970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinextern "C" { 12070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 12170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_classInit(JNIEnv *env, jobject thiz); 122b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic jint CameraMetadata_getTagFromKey(JNIEnv *env, jobject thiz, jstring keyName); 123b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic jint CameraMetadata_getTypeFromTag(JNIEnv *env, jobject thiz, jint tag); 12485c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunkstatic jint CameraMetadata_setupGlobalVendorTagDescriptor(JNIEnv *env, jobject thiz); 12570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 12670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin// Less safe access to native pointer. Does NOT throw any Java exceptions if NULL. 12770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic CameraMetadata* CameraMetadata_getPointerNoThrow(JNIEnv *env, jobject thiz) { 12870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 12970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (thiz == NULL) { 13070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return NULL; 13170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 13270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 13370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return reinterpret_cast<CameraMetadata*>(env->GetLongField(thiz, fields.metadata_ptr)); 13470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 13570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 13670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin// Safe access to native pointer from object. Throws if not possible to access. 13770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic CameraMetadata* CameraMetadata_getPointerThrow(JNIEnv *env, jobject thiz, 13870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin const char* argName = "this") { 13970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 14070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (thiz == NULL) { 14170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s: Throwing java.lang.NullPointerException for null reference", 14270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin __FUNCTION__); 14370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowNullPointerException(env, argName); 14470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return NULL; 14570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 14670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 14770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerNoThrow(env, thiz); 14870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) { 14970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s: Throwing java.lang.IllegalStateException for closed object", 15070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin __FUNCTION__); 15170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowException(env, "java/lang/IllegalStateException", 15270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "Metadata object was already closed"); 15370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return NULL; 15470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 15570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 15670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return metadata; 15770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 15870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 15970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic jlong CameraMetadata_allocate(JNIEnv *env, jobject thiz) { 16070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 16170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 16270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return reinterpret_cast<jlong>(new CameraMetadata()); 16370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 16470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 16570c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvalastatic jlong CameraMetadata_allocateCopy(JNIEnv *env, jobject thiz, 16670c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala jobject other) { 16770c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala ALOGV("%s", __FUNCTION__); 16870c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala 16970c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala CameraMetadata* otherMetadata = 17070c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala CameraMetadata_getPointerThrow(env, other, "other"); 17170c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala 17270c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala // In case of exception, return 17370c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala if (otherMetadata == NULL) return NULL; 17470c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala 17570c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala // Clone native metadata and return new pointer 17670c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala return reinterpret_cast<jlong>(new CameraMetadata(*otherMetadata)); 17770c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala} 17870c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala 17970c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala 18070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic jboolean CameraMetadata_isEmpty(JNIEnv *env, jobject thiz) { 18170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 18270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 18370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 18470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 18570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) { 18670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGW("%s: Returning early due to exception being thrown", 18770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin __FUNCTION__); 18870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return JNI_TRUE; // actually throws java exc. 18970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 19070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 19170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jboolean empty = metadata->isEmpty(); 19270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 19370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s: Empty returned %d, entry count was %d", 19470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin __FUNCTION__, empty, metadata->entryCount()); 19570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 19670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return empty; 19770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 19870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 19970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic jint CameraMetadata_getEntryCount(JNIEnv *env, jobject thiz) { 20070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 20170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 20270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 20370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 20470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) return 0; // actually throws java exc. 20570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 20670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return metadata->entryCount(); 20770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 20870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 20970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin// idempotent. calling more than once has no effect. 21070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_close(JNIEnv *env, jobject thiz) { 21170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 21270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 21370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerNoThrow(env, thiz); 21470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 21570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata != NULL) { 21670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin delete metadata; 21770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin env->SetLongField(thiz, fields.metadata_ptr, 0); 21870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 21970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 22070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin LOG_ALWAYS_FATAL_IF(CameraMetadata_getPointerNoThrow(env, thiz) != NULL, 22170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "Expected the native ptr to be 0 after #close"); 22270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 22370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 22470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_swap(JNIEnv *env, jobject thiz, jobject other) { 22570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 22670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 22770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 22870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 22970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // order is important: we can't call another JNI method 23070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // if there is an exception pending 23170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) return; 23270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 23370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* otherMetadata = CameraMetadata_getPointerThrow(env, other, "other"); 23470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 23570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (otherMetadata == NULL) return; 23670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 23770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin metadata->swap(*otherMetadata); 23870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 23970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 240b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic jbyteArray CameraMetadata_readValues(JNIEnv *env, jobject thiz, jint tag) { 241b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s (tag = %d)", __FUNCTION__, tag); 242b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 243b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 244b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (metadata == NULL) return NULL; 245b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 246b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin int tagType = get_camera_metadata_tag_type(tag); 247b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (tagType == -1) { 248b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 249b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Tag (%d) did not have a type", tag); 250b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return NULL; 251b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 252b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t tagSize = Helpers::getTypeSize(tagType); 253b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 254b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin camera_metadata_entry entry = metadata->find(tag); 255b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (entry.count == 0) { 256b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (!metadata->exists(tag)) { 257b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s: Tag %d does not have any entries", __FUNCTION__, tag); 258b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return NULL; 259b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else { 260b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // OK: we will return a 0-sized array. 261b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s: Tag %d had an entry, but it had 0 data", __FUNCTION__, 262b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin tag); 263b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 264b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 265b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 266b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jsize byteCount = entry.count * tagSize; 267b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jbyteArray byteArray = env->NewByteArray(byteCount); 268b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (env->ExceptionCheck()) return NULL; 269b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 270b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // Copy into java array from native array 271b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ScopedByteArrayRW arrayWriter(env, byteArray); 272b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin memcpy(arrayWriter.get(), entry.data.u8, byteCount); 273b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 274b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return byteArray; 275b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin} 276b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 277b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic void CameraMetadata_writeValues(JNIEnv *env, jobject thiz, jint tag, jbyteArray src) { 278b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s (tag = %d)", __FUNCTION__, tag); 279b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 280b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 281b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (metadata == NULL) return; 282b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 283b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin int tagType = get_camera_metadata_tag_type(tag); 284b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (tagType == -1) { 285b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 286b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Tag (%d) did not have a type", tag); 287b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return; 288b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 289b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t tagSize = Helpers::getTypeSize(tagType); 290b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 291b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin status_t res; 292b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 293b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (src == NULL) { 294b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // If array is NULL, delete the entry 2953710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin if (metadata->exists(tag)) { 2963710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin res = metadata->erase(tag); 2973710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin ALOGV("%s: Erase values (res = %d)", __FUNCTION__, res); 2983710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin } else { 2993710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin res = OK; 3003710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin ALOGV("%s: Don't need to erase", __FUNCTION__); 3013710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin } 302b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else { 303b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // Copy from java array into native array 304b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ScopedByteArrayRO arrayReader(env, src); 305b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (arrayReader.get() == NULL) return; 306b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 307b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin res = Helpers::updateAny(metadata, static_cast<uint32_t>(tag), 308b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin tagType, arrayReader.get(), arrayReader.size()); 3093710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin 3103710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin ALOGV("%s: Update values (res = %d)", __FUNCTION__, res); 311b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 312b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 313b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (res == OK) { 314b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return; 315b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else if (res == BAD_VALUE) { 316b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 317b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Src byte array was poorly formed"); 318b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else if (res == INVALID_OPERATION) { 319b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 320b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Internal error while trying to update metadata"); 321b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else { 322b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 323b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Unknown error (%d) while trying to update " 324b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "metadata", res); 325b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 326b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin} 327b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 32870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_readFromParcel(JNIEnv *env, jobject thiz, jobject parcel) { 32970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 33070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 33170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) { 33270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 33370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 33470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 33570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin Parcel* parcelNative = parcelForJavaObject(env, parcel); 33670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (parcelNative == NULL) { 33770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowNullPointerException(env, "parcel"); 33870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 33970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 34070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 34170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin status_t err; 34270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if ((err = metadata->readFromParcel(parcelNative)) != OK) { 34370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 34470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "Failed to read from parcel (error code %d)", err); 34570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 34670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 34770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 34870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 34970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_writeToParcel(JNIEnv *env, jobject thiz, jobject parcel) { 35070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 35170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 35270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) { 35370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 35470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 35570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 35670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin Parcel* parcelNative = parcelForJavaObject(env, parcel); 35770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (parcelNative == NULL) { 35870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowNullPointerException(env, "parcel"); 35970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 36070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 36170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 36270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin status_t err; 36370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if ((err = metadata->writeToParcel(parcelNative)) != OK) { 36470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 36570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "Failed to write to parcel (error code %d)", err); 36670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 36770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 36870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 36970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 37070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} // extern "C" 37170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 37270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin//------------------------------------------------- 37370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 37470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic JNINativeMethod gCameraMetadataMethods[] = { 375b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin// static methods 37670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeClassInit", 37770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "()V", 37870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void *)CameraMetadata_classInit }, 379b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin { "nativeGetTagFromKey", 380b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "(Ljava/lang/String;)I", 381b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin (void *)CameraMetadata_getTagFromKey }, 382b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin { "nativeGetTypeFromTag", 383b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "(I)I", 384b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin (void *)CameraMetadata_getTypeFromTag }, 38585c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk { "nativeSetupGlobalVendorTagDescriptor", 38685c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk "()I", 38785c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk (void*)CameraMetadata_setupGlobalVendorTagDescriptor }, 388b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin// instance methods 38970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeAllocate", 39070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "()J", 39170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void*)CameraMetadata_allocate }, 39270c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala { "nativeAllocateCopy", 39370c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala "(L" CAMERA_METADATA_CLASS_NAME ";)J", 39470c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala (void *)CameraMetadata_allocateCopy }, 39570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeIsEmpty", 39670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "()Z", 39770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void*)CameraMetadata_isEmpty }, 39870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeGetEntryCount", 39970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "()I", 40070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void*)CameraMetadata_getEntryCount }, 40170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeClose", 40270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "()V", 40370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void*)CameraMetadata_close }, 40470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeSwap", 40570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "(L" CAMERA_METADATA_CLASS_NAME ";)V", 40670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void *)CameraMetadata_swap }, 407b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin { "nativeReadValues", 408b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "(I)[B", 409b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin (void *)CameraMetadata_readValues }, 410b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin { "nativeWriteValues", 411b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "(I[B)V", 412b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin (void *)CameraMetadata_writeValues }, 413b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin// Parcelable interface 41470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeReadFromParcel", 41570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "(Landroid/os/Parcel;)V", 41670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void *)CameraMetadata_readFromParcel }, 41770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeWriteToParcel", 41870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "(Landroid/os/Parcel;)V", 41970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void *)CameraMetadata_writeToParcel }, 42070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin}; 42170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 42270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstruct field { 42370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin const char *class_name; 42470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin const char *field_name; 42570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin const char *field_type; 42670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jfieldID *jfield; 42770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin}; 42870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 42970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic int find_fields(JNIEnv *env, field *fields, int count) 43070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin{ 43170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin for (int i = 0; i < count; i++) { 43270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin field *f = &fields[i]; 43370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jclass clazz = env->FindClass(f->class_name); 43470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (clazz == NULL) { 43570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGE("Can't find %s", f->class_name); 43670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return -1; 43770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 43870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 43970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jfieldID field = env->GetFieldID(clazz, f->field_name, f->field_type); 44070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (field == NULL) { 44170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGE("Can't find %s.%s", f->class_name, f->field_name); 44270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return -1; 44370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 44470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 44570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin *(f->jfield) = field; 44670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 44770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 44870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return 0; 44970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 45070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 45170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin// Get all the required offsets in java class and register native functions 4522f1a2e423e0fbb64467d6fcfa4e82c6384f31210Eino-Ville Talvalaint register_android_hardware_camera2_CameraMetadata(JNIEnv *env) 45370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin{ 45470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // Register native functions 45570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return AndroidRuntime::registerNativeMethods(env, 45670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CAMERA_METADATA_CLASS_NAME, 45770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin gCameraMetadataMethods, 45870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin NELEM(gCameraMetadataMethods)); 45970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 46070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 46170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinextern "C" { 46270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_classInit(JNIEnv *env, jobject thiz) { 46370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // XX: Why do this separately instead of doing it in the register function? 46470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 46570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 46670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin field fields_to_find[] = { 46770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { CAMERA_METADATA_CLASS_NAME, "mMetadataPtr", "J", &fields.metadata_ptr }, 46870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin }; 46970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 47070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // Do this here instead of in register_native_methods, 47170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // since otherwise it will fail to find the fields. 47270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (find_fields(env, fields_to_find, NELEM(fields_to_find)) < 0) 47370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 47470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 47570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jclass clazz = env->FindClass(CAMERA_METADATA_CLASS_NAME); 47670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 477b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 478b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic jint CameraMetadata_getTagFromKey(JNIEnv *env, jobject thiz, jstring keyName) { 479b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 480b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ScopedUtfChars keyScoped(env, keyName); 481b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const char *key = keyScoped.c_str(); 482b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (key == NULL) { 483b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // exception thrown by ScopedUtfChars 484b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return 0; 485b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 486b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t keyLength = strlen(key); 487b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 488b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s (key = '%s')", __FUNCTION__, key); 489b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 49032ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk sp<VendorTagDescriptor> vTags = VendorTagDescriptor::getGlobalVendorTagDescriptor(); 49132ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk 49232ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk SortedVector<String8> vendorSections = vTags->getAllSectionNames(); 49332ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk size_t vendorSectionCount = vendorSections.size(); 49432ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk 495b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // First, find the section by the longest string match 496b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const char *section = NULL; 497b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t sectionIndex = 0; 498b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t sectionLength = 0; 49932ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk size_t totalSectionCount = ANDROID_SECTION_COUNT + vendorSectionCount; 50032ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk for (size_t i = 0; i < totalSectionCount; ++i) { 50132ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk 50232ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk const char *str = (i < ANDROID_SECTION_COUNT) ? camera_metadata_section_names[i] : 50332ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk vendorSections[i - ANDROID_SECTION_COUNT].string(); 504b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGVV("%s: Trying to match against section '%s'", 505b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin __FUNCTION__, str); 506b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (strstr(key, str) == key) { // key begins with the section name 507b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t strLength = strlen(str); 508b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 509b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGVV("%s: Key begins with section name", __FUNCTION__); 510b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 511b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // section name is the longest we've found so far 512b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (section == NULL || sectionLength < strLength) { 513b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin section = str; 514b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin sectionIndex = i; 515b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin sectionLength = strLength; 516b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 51732ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk ALOGVV("%s: Found new best section (%s)", __FUNCTION__, section); 518b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 519b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 520b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 521b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 522b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // TODO: Make above get_camera_metadata_section_from_name ? 523b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 524b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (section == NULL) { 525b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 526b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Could not find section name for key '%s')", key); 527b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return 0; 528b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else { 529b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s: Found matched section '%s' (%d)", 530b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin __FUNCTION__, section, sectionIndex); 531b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 532b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 533b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // Get the tag name component of the key 534b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const char *keyTagName = key + sectionLength + 1; // x.y.z -> z 535b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (sectionLength + 1 >= keyLength) { 536b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 537b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Key length too short for key '%s')", key); 53832ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk return 0; 539b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 540b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 541b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // Match rest of name against the tag names in that section only 54232ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk uint32_t tag = 0; 54332ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk if (sectionIndex < ANDROID_SECTION_COUNT) { 54432ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk // Match built-in tags (typically android.*) 54532ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk uint32_t tagBegin, tagEnd; // [tagBegin, tagEnd) 54632ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk tagBegin = camera_metadata_section_bounds[sectionIndex][0]; 54732ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk tagEnd = camera_metadata_section_bounds[sectionIndex][1]; 54832ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk 54932ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk for (tag = tagBegin; tag < tagEnd; ++tag) { 55032ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk const char *tagName = get_camera_metadata_tag_name(tag); 55132ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk 55232ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk if (strcmp(keyTagName, tagName) == 0) { 55332ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk ALOGV("%s: Found matched tag '%s' (%d)", 55432ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk __FUNCTION__, tagName, tag); 55532ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk break; 55632ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk } 55732ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk } 55832ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk 55932ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk if (tag == tagEnd) { 56032ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 56132ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk "Could not find tag name for key '%s')", key); 56232ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk return 0; 56332ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk } 56432ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk } else { 56532ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk // Match vendor tags (typically com.*) 56632ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk const String8 sectionName(section); 56732ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk const String8 tagName(keyTagName); 56832ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk 56932ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk status_t res = OK; 57032ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk if ((res = vTags->lookupTag(tagName, sectionName, &tag)) != OK) { 57132ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 57232ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk "%s: No vendor tag matches key '%s'", __FUNCTION__, key); 57332ef3ae085288597fb86ab97e42ced1da9691362Ruben Brunk return 0; 574b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 575b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 576b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 577b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // TODO: Make above get_camera_metadata_tag_from_name ? 578b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 579b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return tag; 580b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin} 581b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 582b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic jint CameraMetadata_getTypeFromTag(JNIEnv *env, jobject thiz, jint tag) { 583b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin int tagType = get_camera_metadata_tag_type(tag); 584b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (tagType == -1) { 585b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 586b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Tag (%d) did not have a type", tag); 587b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return -1; 588b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 589b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 590b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return tagType; 591b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin} 592b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 59385c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunkstatic jint CameraMetadata_setupGlobalVendorTagDescriptor(JNIEnv *env, jobject thiz) { 59485c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk const String16 NAME("media.camera"); 59585c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk sp<ICameraService> cameraService; 59685c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk status_t err = getService(NAME, /*out*/&cameraService); 59785c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 59885c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk if (err != OK) { 59985c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk ALOGE("%s: Failed to get camera service, received error %s (%d)", __FUNCTION__, 60085c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk strerror(-err), err); 60185c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk return err; 60285c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk } 60385c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 60485c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk sp<VendorTagDescriptor> desc; 60585c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk err = cameraService->getCameraVendorTagDescriptor(/*out*/desc); 60685c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 6075614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin if (err == -EOPNOTSUPP) { 6085614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin ALOGW("%s: Camera HAL too old; does not support vendor tags", __FUNCTION__); 6095614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin VendorTagDescriptor::clearGlobalVendorTagDescriptor(); 6105614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin 6115614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin return OK; 6125614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin } else if (err != OK) { 6135614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin ALOGE("%s: Failed to setup vendor tag descriptors, received error %s (%d)", 6145614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin __FUNCTION__, strerror(-err), err); 61585c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk return err; 61685c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk } 61785c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 61885c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk err = VendorTagDescriptor::setAsGlobalVendorTagDescriptor(desc); 61985c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 62085c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk return err; 62185c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk} 62285c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 62370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} // extern "C" 624