android_hardware_camera2_CameraMetadata.cpp revision 5614cbe64493308dc5330eac5d5ba17202013dc4
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" 2170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include <utils/Log.h> 2285c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk#include <utils/RefBase.h> 2385c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk#include <string.h> 2470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 2570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include "jni.h" 2670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include "JNIHelp.h" 2770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include "android_os_Parcel.h" 2870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include "android_runtime/AndroidRuntime.h" 2970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 3085c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk#include <binder/IServiceManager.h> 3170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin#include <camera/CameraMetadata.h> 3285c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk#include <camera/ICameraService.h> 3385c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk#include <camera/VendorTagDescriptor.h> 34b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#include <nativehelper/ScopedUtfChars.h> 35b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#include <nativehelper/ScopedPrimitiveArray.h> 36b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 37b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#if defined(LOG_NNDEBUG) 38b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#if !LOG_NNDEBUG 39b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#define ALOGVV ALOGV 40b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#endif 41b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#else 42b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#define ALOGVV(...) 43b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#endif 4470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 4570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin// fully-qualified class name 4670c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala#define CAMERA_METADATA_CLASS_NAME "android/hardware/camera2/impl/CameraMetadataNative" 4770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 4870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinusing namespace android; 4970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 5070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstruct fields_t { 5170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jfieldID metadata_ptr; 5270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin}; 5370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 5470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic fields_t fields; 5570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 56b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinnamespace { 57b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstruct Helpers { 58b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin static size_t getTypeSize(uint8_t type) { 59b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (type >= NUM_TYPES) { 60b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGE("%s: Invalid type specified (%ud)", __FUNCTION__, type); 61b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return static_cast<size_t>(-1); 62b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 63b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 64b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return camera_metadata_type_size[type]; 65b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 66b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 67b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin static status_t updateAny(CameraMetadata *metadata, 68b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin uint32_t tag, 69b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin uint32_t type, 70b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const void *data, 71b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t dataBytes) { 72b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 73b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (type >= NUM_TYPES) { 74b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGE("%s: Invalid type specified (%ud)", __FUNCTION__, type); 75b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return INVALID_OPERATION; 76b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 77b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 78b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t typeSize = getTypeSize(type); 79b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 80b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (dataBytes % typeSize != 0) { 81b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGE("%s: Expected dataBytes (%ud) to be divisible by typeSize " 82b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "(%ud)", __FUNCTION__, dataBytes, typeSize); 83b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return BAD_VALUE; 84b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 85b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 86b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t dataCount = dataBytes / typeSize; 87b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 88b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin switch(type) { 89b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#define METADATA_UPDATE(runtime_type, compile_type) \ 90b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin case runtime_type: { \ 91b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const compile_type *dataPtr = \ 92b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin static_cast<const compile_type*>(data); \ 93b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return metadata->update(tag, dataPtr, dataCount); \ 94b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } \ 95b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 96b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_BYTE, uint8_t); 97b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_INT32, int32_t); 98b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_FLOAT, float); 99b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_INT64, int64_t); 100b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_DOUBLE, double); 101b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin METADATA_UPDATE(TYPE_RATIONAL, camera_metadata_rational_t); 102b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 103b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin default: { 104b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // unreachable 105b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGE("%s: Unreachable", __FUNCTION__); 106b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return INVALID_OPERATION; 107b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 108b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 109b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 110b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin#undef METADATA_UPDATE 111b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 112b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin}; 113b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin} // namespace {} 114b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 11570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinextern "C" { 11670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 11770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_classInit(JNIEnv *env, jobject thiz); 118b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic jint CameraMetadata_getTagFromKey(JNIEnv *env, jobject thiz, jstring keyName); 119b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic jint CameraMetadata_getTypeFromTag(JNIEnv *env, jobject thiz, jint tag); 12085c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunkstatic jint CameraMetadata_setupGlobalVendorTagDescriptor(JNIEnv *env, jobject thiz); 12170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 12270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin// Less safe access to native pointer. Does NOT throw any Java exceptions if NULL. 12370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic CameraMetadata* CameraMetadata_getPointerNoThrow(JNIEnv *env, jobject thiz) { 12470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 12570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (thiz == NULL) { 12670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return NULL; 12770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 12870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 12970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return reinterpret_cast<CameraMetadata*>(env->GetLongField(thiz, fields.metadata_ptr)); 13070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 13170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 13270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin// Safe access to native pointer from object. Throws if not possible to access. 13370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic CameraMetadata* CameraMetadata_getPointerThrow(JNIEnv *env, jobject thiz, 13470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin const char* argName = "this") { 13570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 13670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (thiz == NULL) { 13770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s: Throwing java.lang.NullPointerException for null reference", 13870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin __FUNCTION__); 13970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowNullPointerException(env, argName); 14070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return NULL; 14170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 14270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 14370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerNoThrow(env, thiz); 14470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) { 14570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s: Throwing java.lang.IllegalStateException for closed object", 14670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin __FUNCTION__); 14770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowException(env, "java/lang/IllegalStateException", 14870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "Metadata object was already closed"); 14970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return NULL; 15070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 15170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 15270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return metadata; 15370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 15470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 15570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic jlong CameraMetadata_allocate(JNIEnv *env, jobject thiz) { 15670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 15770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 15870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return reinterpret_cast<jlong>(new CameraMetadata()); 15970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 16070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 16170c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvalastatic jlong CameraMetadata_allocateCopy(JNIEnv *env, jobject thiz, 16270c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala jobject other) { 16370c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala ALOGV("%s", __FUNCTION__); 16470c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala 16570c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala CameraMetadata* otherMetadata = 16670c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala CameraMetadata_getPointerThrow(env, other, "other"); 16770c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala 16870c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala // In case of exception, return 16970c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala if (otherMetadata == NULL) return NULL; 17070c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala 17170c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala // Clone native metadata and return new pointer 17270c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala return reinterpret_cast<jlong>(new CameraMetadata(*otherMetadata)); 17370c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala} 17470c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala 17570c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala 17670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic jboolean CameraMetadata_isEmpty(JNIEnv *env, jobject thiz) { 17770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 17870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 17970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 18070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 18170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) { 18270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGW("%s: Returning early due to exception being thrown", 18370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin __FUNCTION__); 18470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return JNI_TRUE; // actually throws java exc. 18570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 18670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 18770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jboolean empty = metadata->isEmpty(); 18870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 18970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s: Empty returned %d, entry count was %d", 19070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin __FUNCTION__, empty, metadata->entryCount()); 19170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 19270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return empty; 19370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 19470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 19570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic jint CameraMetadata_getEntryCount(JNIEnv *env, jobject thiz) { 19670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 19770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 19870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 19970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 20070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) return 0; // actually throws java exc. 20170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 20270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return metadata->entryCount(); 20370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 20470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 20570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin// idempotent. calling more than once has no effect. 20670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_close(JNIEnv *env, jobject thiz) { 20770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 20870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 20970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerNoThrow(env, thiz); 21070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 21170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata != NULL) { 21270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin delete metadata; 21370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin env->SetLongField(thiz, fields.metadata_ptr, 0); 21470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 21570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 21670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin LOG_ALWAYS_FATAL_IF(CameraMetadata_getPointerNoThrow(env, thiz) != NULL, 21770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "Expected the native ptr to be 0 after #close"); 21870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 21970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 22070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_swap(JNIEnv *env, jobject thiz, jobject other) { 22170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 22270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 22370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 22470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 22570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // order is important: we can't call another JNI method 22670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // if there is an exception pending 22770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) return; 22870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 22970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* otherMetadata = CameraMetadata_getPointerThrow(env, other, "other"); 23070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 23170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (otherMetadata == NULL) return; 23270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 23370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin metadata->swap(*otherMetadata); 23470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 23570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 236b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic jbyteArray CameraMetadata_readValues(JNIEnv *env, jobject thiz, jint tag) { 237b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s (tag = %d)", __FUNCTION__, tag); 238b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 239b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 240b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (metadata == NULL) return NULL; 241b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 242b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin int tagType = get_camera_metadata_tag_type(tag); 243b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (tagType == -1) { 244b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 245b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Tag (%d) did not have a type", tag); 246b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return NULL; 247b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 248b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t tagSize = Helpers::getTypeSize(tagType); 249b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 250b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin camera_metadata_entry entry = metadata->find(tag); 251b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (entry.count == 0) { 252b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (!metadata->exists(tag)) { 253b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s: Tag %d does not have any entries", __FUNCTION__, tag); 254b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return NULL; 255b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else { 256b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // OK: we will return a 0-sized array. 257b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s: Tag %d had an entry, but it had 0 data", __FUNCTION__, 258b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin tag); 259b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 260b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 261b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 262b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jsize byteCount = entry.count * tagSize; 263b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jbyteArray byteArray = env->NewByteArray(byteCount); 264b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (env->ExceptionCheck()) return NULL; 265b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 266b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // Copy into java array from native array 267b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ScopedByteArrayRW arrayWriter(env, byteArray); 268b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin memcpy(arrayWriter.get(), entry.data.u8, byteCount); 269b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 270b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return byteArray; 271b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin} 272b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 273b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic void CameraMetadata_writeValues(JNIEnv *env, jobject thiz, jint tag, jbyteArray src) { 274b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s (tag = %d)", __FUNCTION__, tag); 275b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 276b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 277b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (metadata == NULL) return; 278b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 279b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin int tagType = get_camera_metadata_tag_type(tag); 280b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (tagType == -1) { 281b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 282b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Tag (%d) did not have a type", tag); 283b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return; 284b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 285b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t tagSize = Helpers::getTypeSize(tagType); 286b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 287b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin status_t res; 288b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 289b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (src == NULL) { 290b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // If array is NULL, delete the entry 2913710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin if (metadata->exists(tag)) { 2923710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin res = metadata->erase(tag); 2933710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin ALOGV("%s: Erase values (res = %d)", __FUNCTION__, res); 2943710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin } else { 2953710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin res = OK; 2963710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin ALOGV("%s: Don't need to erase", __FUNCTION__); 2973710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin } 298b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else { 299b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // Copy from java array into native array 300b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ScopedByteArrayRO arrayReader(env, src); 301b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (arrayReader.get() == NULL) return; 302b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 303b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin res = Helpers::updateAny(metadata, static_cast<uint32_t>(tag), 304b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin tagType, arrayReader.get(), arrayReader.size()); 3053710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin 3063710db80d4b9e573d775790e4c9a2ab6e062201eIgor Murashkin ALOGV("%s: Update values (res = %d)", __FUNCTION__, res); 307b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 308b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 309b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (res == OK) { 310b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return; 311b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else if (res == BAD_VALUE) { 312b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 313b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Src byte array was poorly formed"); 314b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else if (res == INVALID_OPERATION) { 315b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 316b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Internal error while trying to update metadata"); 317b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else { 318b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 319b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Unknown error (%d) while trying to update " 320b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "metadata", res); 321b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 322b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin} 323b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 32470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_readFromParcel(JNIEnv *env, jobject thiz, jobject parcel) { 32570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 32670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 32770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) { 32870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 32970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 33070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 33170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin Parcel* parcelNative = parcelForJavaObject(env, parcel); 33270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (parcelNative == NULL) { 33370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowNullPointerException(env, "parcel"); 33470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 33570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 33670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 33770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin status_t err; 33870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if ((err = metadata->readFromParcel(parcelNative)) != OK) { 33970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 34070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "Failed to read from parcel (error code %d)", err); 34170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 34270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 34370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 34470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 34570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_writeToParcel(JNIEnv *env, jobject thiz, jobject parcel) { 34670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 34770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CameraMetadata* metadata = CameraMetadata_getPointerThrow(env, thiz); 34870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (metadata == NULL) { 34970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 35070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 35170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 35270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin Parcel* parcelNative = parcelForJavaObject(env, parcel); 35370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (parcelNative == NULL) { 35470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowNullPointerException(env, "parcel"); 35570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 35670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 35770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 35870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin status_t err; 35970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if ((err = metadata->writeToParcel(parcelNative)) != OK) { 36070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalStateException", 36170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "Failed to write to parcel (error code %d)", err); 36270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 36370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 36470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 36570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 36670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} // extern "C" 36770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 36870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin//------------------------------------------------- 36970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 37070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic JNINativeMethod gCameraMetadataMethods[] = { 371b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin// static methods 37270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeClassInit", 37370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "()V", 37470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void *)CameraMetadata_classInit }, 375b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin { "nativeGetTagFromKey", 376b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "(Ljava/lang/String;)I", 377b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin (void *)CameraMetadata_getTagFromKey }, 378b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin { "nativeGetTypeFromTag", 379b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "(I)I", 380b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin (void *)CameraMetadata_getTypeFromTag }, 38185c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk { "nativeSetupGlobalVendorTagDescriptor", 38285c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk "()I", 38385c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk (void*)CameraMetadata_setupGlobalVendorTagDescriptor }, 384b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin// instance methods 38570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeAllocate", 38670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "()J", 38770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void*)CameraMetadata_allocate }, 38870c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala { "nativeAllocateCopy", 38970c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala "(L" CAMERA_METADATA_CLASS_NAME ";)J", 39070c2207c34cf0e6b3b383b1b1500ff5385aa51a6Eino-Ville Talvala (void *)CameraMetadata_allocateCopy }, 39170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeIsEmpty", 39270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "()Z", 39370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void*)CameraMetadata_isEmpty }, 39470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeGetEntryCount", 39570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "()I", 39670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void*)CameraMetadata_getEntryCount }, 39770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeClose", 39870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "()V", 39970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void*)CameraMetadata_close }, 40070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeSwap", 40170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "(L" CAMERA_METADATA_CLASS_NAME ";)V", 40270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void *)CameraMetadata_swap }, 403b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin { "nativeReadValues", 404b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "(I)[B", 405b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin (void *)CameraMetadata_readValues }, 406b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin { "nativeWriteValues", 407b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "(I[B)V", 408b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin (void *)CameraMetadata_writeValues }, 409b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin// Parcelable interface 41070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeReadFromParcel", 41170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "(Landroid/os/Parcel;)V", 41270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void *)CameraMetadata_readFromParcel }, 41370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { "nativeWriteToParcel", 41470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin "(Landroid/os/Parcel;)V", 41570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin (void *)CameraMetadata_writeToParcel }, 41670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin}; 41770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 41870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstruct field { 41970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin const char *class_name; 42070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin const char *field_name; 42170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin const char *field_type; 42270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jfieldID *jfield; 42370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin}; 42470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 42570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic int find_fields(JNIEnv *env, field *fields, int count) 42670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin{ 42770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin for (int i = 0; i < count; i++) { 42870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin field *f = &fields[i]; 42970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jclass clazz = env->FindClass(f->class_name); 43070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (clazz == NULL) { 43170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGE("Can't find %s", f->class_name); 43270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return -1; 43370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 43470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 43570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jfieldID field = env->GetFieldID(clazz, f->field_name, f->field_type); 43670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (field == NULL) { 43770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGE("Can't find %s.%s", f->class_name, f->field_name); 43870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return -1; 43970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 44070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 44170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin *(f->jfield) = field; 44270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin } 44370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 44470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return 0; 44570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 44670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 44770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin// Get all the required offsets in java class and register native functions 4482f1a2e423e0fbb64467d6fcfa4e82c6384f31210Eino-Ville Talvalaint register_android_hardware_camera2_CameraMetadata(JNIEnv *env) 44970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin{ 45070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // Register native functions 45170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return AndroidRuntime::registerNativeMethods(env, 45270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin CAMERA_METADATA_CLASS_NAME, 45370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin gCameraMetadataMethods, 45470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin NELEM(gCameraMetadataMethods)); 45570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 45670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 45770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinextern "C" { 45870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkinstatic void CameraMetadata_classInit(JNIEnv *env, jobject thiz) { 45970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // XX: Why do this separately instead of doing it in the register function? 46070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin ALOGV("%s", __FUNCTION__); 46170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 46270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin field fields_to_find[] = { 46370725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin { CAMERA_METADATA_CLASS_NAME, "mMetadataPtr", "J", &fields.metadata_ptr }, 46470725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin }; 46570725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 46670725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // Do this here instead of in register_native_methods, 46770725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin // since otherwise it will fail to find the fields. 46870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin if (find_fields(env, fields_to_find, NELEM(fields_to_find)) < 0) 46970725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin return; 47070725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin 47170725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin jclass clazz = env->FindClass(CAMERA_METADATA_CLASS_NAME); 47270725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} 473b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 474b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic jint CameraMetadata_getTagFromKey(JNIEnv *env, jobject thiz, jstring keyName) { 475b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 476b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ScopedUtfChars keyScoped(env, keyName); 477b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const char *key = keyScoped.c_str(); 478b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (key == NULL) { 479b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // exception thrown by ScopedUtfChars 480b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return 0; 481b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 482b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t keyLength = strlen(key); 483b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 484b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s (key = '%s')", __FUNCTION__, key); 485b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 486b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // First, find the section by the longest string match 487b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const char *section = NULL; 488b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t sectionIndex = 0; 489b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t sectionLength = 0; 490b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin for (size_t i = 0; i < ANDROID_SECTION_COUNT; ++i) { 491b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const char *str = camera_metadata_section_names[i]; 492b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGVV("%s: Trying to match against section '%s'", 493b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin __FUNCTION__, str); 494b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (strstr(key, str) == key) { // key begins with the section name 495b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin size_t strLength = strlen(str); 496b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 497b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGVV("%s: Key begins with section name", __FUNCTION__); 498b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 499b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // section name is the longest we've found so far 500b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (section == NULL || sectionLength < strLength) { 501b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin section = str; 502b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin sectionIndex = i; 503b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin sectionLength = strLength; 504b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 505b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGVV("%s: Found new best section (idx %d)", __FUNCTION__, sectionIndex); 506b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 507b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 508b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 509b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 510b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // TODO: vendor ext 511b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // TODO: Make above get_camera_metadata_section_from_name ? 512b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 513b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (section == NULL) { 514b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 515b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Could not find section name for key '%s')", key); 516b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return 0; 517b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } else { 518b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s: Found matched section '%s' (%d)", 519b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin __FUNCTION__, section, sectionIndex); 520b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 521b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 522b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // Get the tag name component of the key 523b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const char *keyTagName = key + sectionLength + 1; // x.y.z -> z 524b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (sectionLength + 1 >= keyLength) { 525b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 526b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Key length too short for key '%s')", key); 527b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 528b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 529b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // Match rest of name against the tag names in that section only 530b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin uint32_t tagBegin, tagEnd; // [tagBegin, tagEnd) 531b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin tagBegin = camera_metadata_section_bounds[sectionIndex][0]; 532b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin tagEnd = camera_metadata_section_bounds[sectionIndex][1]; 533b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 534b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin uint32_t tag; 535b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin for (tag = tagBegin; tag < tagEnd; ++tag) { 536b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin const char *tagName = get_camera_metadata_tag_name(tag); 537b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 538b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (strcmp(keyTagName, tagName) == 0) { 539b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin ALOGV("%s: Found matched tag '%s' (%d)", 540b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin __FUNCTION__, tagName, tag); 541b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin break; 542b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 543b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 544b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 545b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // TODO: vendor ext 546b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin // TODO: Make above get_camera_metadata_tag_from_name ? 547b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 548b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (tag == tagEnd) { 549b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 550b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Could not find tag name for key '%s')", key); 551b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return 0; 552b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 553b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 554b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return tag; 555b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin} 556b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 557b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkinstatic jint CameraMetadata_getTypeFromTag(JNIEnv *env, jobject thiz, jint tag) { 558b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin int tagType = get_camera_metadata_tag_type(tag); 559b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin if (tagType == -1) { 560b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 561b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin "Tag (%d) did not have a type", tag); 562b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return -1; 563b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin } 564b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 565b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin return tagType; 566b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin} 567b519cc52ecba8f44da31173c9fc90a7b66d52b79Igor Murashkin 56885c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunkstatic jint CameraMetadata_setupGlobalVendorTagDescriptor(JNIEnv *env, jobject thiz) { 56985c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk const String16 NAME("media.camera"); 57085c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk sp<ICameraService> cameraService; 57185c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk status_t err = getService(NAME, /*out*/&cameraService); 57285c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 57385c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk if (err != OK) { 57485c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk ALOGE("%s: Failed to get camera service, received error %s (%d)", __FUNCTION__, 57585c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk strerror(-err), err); 57685c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk return err; 57785c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk } 57885c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 57985c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk sp<VendorTagDescriptor> desc; 58085c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk err = cameraService->getCameraVendorTagDescriptor(/*out*/desc); 58185c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 5825614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin if (err == -EOPNOTSUPP) { 5835614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin ALOGW("%s: Camera HAL too old; does not support vendor tags", __FUNCTION__); 5845614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin VendorTagDescriptor::clearGlobalVendorTagDescriptor(); 5855614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin 5865614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin return OK; 5875614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin } else if (err != OK) { 5885614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin ALOGE("%s: Failed to setup vendor tag descriptors, received error %s (%d)", 5895614cbe64493308dc5330eac5d5ba17202013dc4Igor Murashkin __FUNCTION__, strerror(-err), err); 59085c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk return err; 59185c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk } 59285c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 59385c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk err = VendorTagDescriptor::setAsGlobalVendorTagDescriptor(desc); 59485c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 59585c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk return err; 59685c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk} 59785c4388de1fea3d45783f07895c2b113c4cc1ba5Ruben Brunk 59870725500dcf3b666b43d50563d64705aab58d2d3Igor Murashkin} // extern "C" 599