| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "VendorTagDescriptor" |
| |
| #include <binder/Parcel.h> |
| #include <utils/Errors.h> |
| #include <utils/Log.h> |
| #include <utils/Mutex.h> |
| #include <utils/Vector.h> |
| #include <utils/SortedVector.h> |
| #include <system/camera_metadata.h> |
| #include <camera_metadata_hidden.h> |
| |
| #include "camera/VendorTagDescriptor.h" |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| namespace android { |
| |
| extern "C" { |
| |
| static int vendor_tag_descriptor_get_tag_count(const vendor_tag_ops_t* v); |
| static void vendor_tag_descriptor_get_all_tags(const vendor_tag_ops_t* v, uint32_t* tagArray); |
| static const char* vendor_tag_descriptor_get_section_name(const vendor_tag_ops_t* v, uint32_t tag); |
| static const char* vendor_tag_descriptor_get_tag_name(const vendor_tag_ops_t* v, uint32_t tag); |
| static int vendor_tag_descriptor_get_tag_type(const vendor_tag_ops_t* v, uint32_t tag); |
| |
| } /* extern "C" */ |
| |
| |
| static Mutex sLock; |
| static sp<VendorTagDescriptor> sGlobalVendorTagDescriptor; |
| |
| namespace hardware { |
| namespace camera2 { |
| namespace params { |
| |
| VendorTagDescriptor::~VendorTagDescriptor() { |
| size_t len = mReverseMapping.size(); |
| for (size_t i = 0; i < len; ++i) { |
| delete mReverseMapping[i]; |
| } |
| } |
| |
| VendorTagDescriptor::VendorTagDescriptor() : |
| mTagCount(0), |
| mVendorOps() { |
| } |
| |
| VendorTagDescriptor::VendorTagDescriptor(const VendorTagDescriptor& src) { |
| copyFrom(src); |
| } |
| |
| VendorTagDescriptor& VendorTagDescriptor::operator=(const VendorTagDescriptor& rhs) { |
| copyFrom(rhs); |
| return *this; |
| } |
| |
| void VendorTagDescriptor::copyFrom(const VendorTagDescriptor& src) { |
| if (this == &src) return; |
| |
| size_t len = mReverseMapping.size(); |
| for (size_t i = 0; i < len; ++i) { |
| delete mReverseMapping[i]; |
| } |
| mReverseMapping.clear(); |
| |
| len = src.mReverseMapping.size(); |
| // Have to copy KeyedVectors inside mReverseMapping |
| for (size_t i = 0; i < len; ++i) { |
| KeyedVector<String8, uint32_t>* nameMapper = new KeyedVector<String8, uint32_t>(); |
| *nameMapper = *(src.mReverseMapping.valueAt(i)); |
| mReverseMapping.add(src.mReverseMapping.keyAt(i), nameMapper); |
| } |
| // Everything else is simple |
| mTagToNameMap = src.mTagToNameMap; |
| mTagToSectionMap = src.mTagToSectionMap; |
| mTagToTypeMap = src.mTagToTypeMap; |
| mSections = src.mSections; |
| mTagCount = src.mTagCount; |
| mVendorOps = src.mVendorOps; |
| } |
| |
| status_t VendorTagDescriptor::readFromParcel(const Parcel* parcel) { |
| status_t res = OK; |
| if (parcel == NULL) { |
| ALOGE("%s: parcel argument was NULL.", __FUNCTION__); |
| return BAD_VALUE; |
| } |
| |
| int32_t tagCount = 0; |
| if ((res = parcel->readInt32(&tagCount)) != OK) { |
| ALOGE("%s: could not read tag count from parcel", __FUNCTION__); |
| return res; |
| } |
| |
| if (tagCount < 0 || tagCount > INT32_MAX) { |
| ALOGE("%s: tag count %d from vendor ops is invalid.", __FUNCTION__, tagCount); |
| return BAD_VALUE; |
| } |
| |
| mTagCount = tagCount; |
| |
| uint32_t tag, sectionIndex; |
| uint32_t maxSectionIndex = 0; |
| int32_t tagType; |
| Vector<uint32_t> allTags; |
| for (int32_t i = 0; i < tagCount; ++i) { |
| if ((res = parcel->readInt32(reinterpret_cast<int32_t*>(&tag))) != OK) { |
| ALOGE("%s: could not read tag id from parcel for index %d", __FUNCTION__, i); |
| break; |
| } |
| if (tag < CAMERA_METADATA_VENDOR_TAG_BOUNDARY) { |
| ALOGE("%s: vendor tag %d not in vendor tag section.", __FUNCTION__, tag); |
| res = BAD_VALUE; |
| break; |
| } |
| if ((res = parcel->readInt32(&tagType)) != OK) { |
| ALOGE("%s: could not read tag type from parcel for tag %d", __FUNCTION__, tag); |
| break; |
| } |
| if (tagType < 0 || tagType >= NUM_TYPES) { |
| ALOGE("%s: tag type %d from vendor ops does not exist.", __FUNCTION__, tagType); |
| res = BAD_VALUE; |
| break; |
| } |
| String8 tagName = parcel->readString8(); |
| if (tagName.isEmpty()) { |
| ALOGE("%s: parcel tag name was NULL for tag %d.", __FUNCTION__, tag); |
| res = NOT_ENOUGH_DATA; |
| break; |
| } |
| |
| if ((res = parcel->readInt32(reinterpret_cast<int32_t*>(§ionIndex))) != OK) { |
| ALOGE("%s: could not read section index for tag %d.", __FUNCTION__, tag); |
| break; |
| } |
| |
| maxSectionIndex = (maxSectionIndex >= sectionIndex) ? maxSectionIndex : sectionIndex; |
| |
| allTags.add(tag); |
| mTagToNameMap.add(tag, tagName); |
| mTagToSectionMap.add(tag, sectionIndex); |
| mTagToTypeMap.add(tag, tagType); |
| } |
| |
| if (res != OK) { |
| return res; |
| } |
| |
| size_t sectionCount = 0; |
| if (tagCount > 0) { |
| if ((res = parcel->readInt32(reinterpret_cast<int32_t*>(§ionCount))) != OK) { |
| ALOGE("%s: could not read section count for.", __FUNCTION__); |
| return res; |
| } |
| if (sectionCount < (maxSectionIndex + 1)) { |
| ALOGE("%s: Incorrect number of sections defined, received %zu, needs %d.", |
| __FUNCTION__, sectionCount, (maxSectionIndex + 1)); |
| return BAD_VALUE; |
| } |
| LOG_ALWAYS_FATAL_IF(mSections.setCapacity(sectionCount) <= 0, |
| "Vector capacity must be positive"); |
| for (size_t i = 0; i < sectionCount; ++i) { |
| String8 sectionName = parcel->readString8(); |
| if (sectionName.isEmpty()) { |
| ALOGE("%s: parcel section name was NULL for section %zu.", |
| __FUNCTION__, i); |
| return NOT_ENOUGH_DATA; |
| } |
| mSections.add(sectionName); |
| } |
| } |
| |
| LOG_ALWAYS_FATAL_IF(static_cast<size_t>(tagCount) != allTags.size(), |
| "tagCount must be the same as allTags size"); |
| // Set up reverse mapping |
| for (size_t i = 0; i < static_cast<size_t>(tagCount); ++i) { |
| uint32_t tag = allTags[i]; |
| String8 sectionString = mSections[mTagToSectionMap.valueFor(tag)]; |
| |
| ssize_t reverseIndex = -1; |
| if ((reverseIndex = mReverseMapping.indexOfKey(sectionString)) < 0) { |
| KeyedVector<String8, uint32_t>* nameMapper = new KeyedVector<String8, uint32_t>(); |
| reverseIndex = mReverseMapping.add(sectionString, nameMapper); |
| } |
| mReverseMapping[reverseIndex]->add(mTagToNameMap.valueFor(tag), tag); |
| } |
| |
| return res; |
| } |
| |
| int VendorTagDescriptor::getTagCount() const { |
| size_t size = mTagToNameMap.size(); |
| if (size == 0) { |
| return VENDOR_TAG_COUNT_ERR; |
| } |
| return size; |
| } |
| |
| void VendorTagDescriptor::getTagArray(uint32_t* tagArray) const { |
| size_t size = mTagToNameMap.size(); |
| for (size_t i = 0; i < size; ++i) { |
| tagArray[i] = mTagToNameMap.keyAt(i); |
| } |
| } |
| |
| const char* VendorTagDescriptor::getSectionName(uint32_t tag) const { |
| ssize_t index = mTagToSectionMap.indexOfKey(tag); |
| if (index < 0) { |
| return VENDOR_SECTION_NAME_ERR; |
| } |
| return mSections[mTagToSectionMap.valueAt(index)].string(); |
| } |
| |
| const char* VendorTagDescriptor::getTagName(uint32_t tag) const { |
| ssize_t index = mTagToNameMap.indexOfKey(tag); |
| if (index < 0) { |
| return VENDOR_TAG_NAME_ERR; |
| } |
| return mTagToNameMap.valueAt(index).string(); |
| } |
| |
| int VendorTagDescriptor::getTagType(uint32_t tag) const { |
| ssize_t index = mTagToNameMap.indexOfKey(tag); |
| if (index < 0) { |
| return VENDOR_TAG_TYPE_ERR; |
| } |
| return mTagToTypeMap.valueFor(tag); |
| } |
| |
| status_t VendorTagDescriptor::writeToParcel(Parcel* parcel) const { |
| status_t res = OK; |
| if (parcel == NULL) { |
| ALOGE("%s: parcel argument was NULL.", __FUNCTION__); |
| return BAD_VALUE; |
| } |
| |
| if ((res = parcel->writeInt32(mTagCount)) != OK) { |
| return res; |
| } |
| |
| size_t size = mTagToNameMap.size(); |
| uint32_t tag, sectionIndex; |
| int32_t tagType; |
| for (size_t i = 0; i < size; ++i) { |
| tag = mTagToNameMap.keyAt(i); |
| String8 tagName = mTagToNameMap[i]; |
| sectionIndex = mTagToSectionMap.valueFor(tag); |
| tagType = mTagToTypeMap.valueFor(tag); |
| if ((res = parcel->writeInt32(tag)) != OK) break; |
| if ((res = parcel->writeInt32(tagType)) != OK) break; |
| if ((res = parcel->writeString8(tagName)) != OK) break; |
| if ((res = parcel->writeInt32(sectionIndex)) != OK) break; |
| } |
| |
| size_t numSections = mSections.size(); |
| if (numSections > 0) { |
| if ((res = parcel->writeInt32(numSections)) != OK) return res; |
| for (size_t i = 0; i < numSections; ++i) { |
| if ((res = parcel->writeString8(mSections[i])) != OK) return res; |
| } |
| } |
| |
| return res; |
| } |
| |
| const SortedVector<String8>* VendorTagDescriptor::getAllSectionNames() const { |
| return &mSections; |
| } |
| |
| status_t VendorTagDescriptor::lookupTag(String8 name, String8 section, /*out*/uint32_t* tag) const { |
| ssize_t index = mReverseMapping.indexOfKey(section); |
| if (index < 0) { |
| ALOGE("%s: Section '%s' does not exist.", __FUNCTION__, section.string()); |
| return BAD_VALUE; |
| } |
| |
| ssize_t nameIndex = mReverseMapping[index]->indexOfKey(name); |
| if (nameIndex < 0) { |
| ALOGE("%s: Tag name '%s' does not exist.", __FUNCTION__, name.string()); |
| return BAD_VALUE; |
| } |
| |
| if (tag != NULL) { |
| *tag = mReverseMapping[index]->valueAt(nameIndex); |
| } |
| return OK; |
| } |
| |
| void VendorTagDescriptor::dump(int fd, int verbosity, int indentation) const { |
| |
| size_t size = mTagToNameMap.size(); |
| if (size == 0) { |
| dprintf(fd, "%*sDumping configured vendor tag descriptors: None set\n", |
| indentation, ""); |
| return; |
| } |
| |
| dprintf(fd, "%*sDumping configured vendor tag descriptors: %zu entries\n", |
| indentation, "", size); |
| for (size_t i = 0; i < size; ++i) { |
| uint32_t tag = mTagToNameMap.keyAt(i); |
| |
| if (verbosity < 1) { |
| dprintf(fd, "%*s0x%x\n", indentation + 2, "", tag); |
| continue; |
| } |
| String8 name = mTagToNameMap.valueAt(i); |
| uint32_t sectionId = mTagToSectionMap.valueFor(tag); |
| String8 sectionName = mSections[sectionId]; |
| int type = mTagToTypeMap.valueFor(tag); |
| const char* typeName = (type >= 0 && type < NUM_TYPES) ? |
| camera_metadata_type_names[type] : "UNKNOWN"; |
| dprintf(fd, "%*s0x%x (%s) with type %d (%s) defined in section %s\n", indentation + 2, |
| "", tag, name.string(), type, typeName, sectionName.string()); |
| } |
| |
| } |
| |
| } // namespace params |
| } // namespace camera2 |
| } // namespace hardware |
| |
| |
| status_t VendorTagDescriptor::createDescriptorFromOps(const vendor_tag_ops_t* vOps, |
| /*out*/ |
| sp<VendorTagDescriptor>& descriptor) { |
| if (vOps == NULL) { |
| ALOGE("%s: vendor_tag_ops argument was NULL.", __FUNCTION__); |
| return BAD_VALUE; |
| } |
| |
| int tagCount = vOps->get_tag_count(vOps); |
| if (tagCount < 0 || tagCount > INT32_MAX) { |
| ALOGE("%s: tag count %d from vendor ops is invalid.", __FUNCTION__, tagCount); |
| return BAD_VALUE; |
| } |
| |
| Vector<uint32_t> tagArray; |
| LOG_ALWAYS_FATAL_IF(tagArray.resize(tagCount) != tagCount, |
| "%s: too many (%u) vendor tags defined.", __FUNCTION__, tagCount); |
| |
| vOps->get_all_tags(vOps, /*out*/tagArray.editArray()); |
| |
| sp<VendorTagDescriptor> desc = new VendorTagDescriptor(); |
| desc->mTagCount = tagCount; |
| |
| SortedVector<String8> sections; |
| KeyedVector<uint32_t, String8> tagToSectionMap; |
| |
| for (size_t i = 0; i < static_cast<size_t>(tagCount); ++i) { |
| uint32_t tag = tagArray[i]; |
| if (tag < CAMERA_METADATA_VENDOR_TAG_BOUNDARY) { |
| ALOGE("%s: vendor tag %d not in vendor tag section.", __FUNCTION__, tag); |
| return BAD_VALUE; |
| } |
| const char *tagName = vOps->get_tag_name(vOps, tag); |
| if (tagName == NULL) { |
| ALOGE("%s: no tag name defined for vendor tag %d.", __FUNCTION__, tag); |
| return BAD_VALUE; |
| } |
| desc->mTagToNameMap.add(tag, String8(tagName)); |
| const char *sectionName = vOps->get_section_name(vOps, tag); |
| if (sectionName == NULL) { |
| ALOGE("%s: no section name defined for vendor tag %d.", __FUNCTION__, tag); |
| return BAD_VALUE; |
| } |
| |
| String8 sectionString(sectionName); |
| |
| sections.add(sectionString); |
| tagToSectionMap.add(tag, sectionString); |
| |
| int tagType = vOps->get_tag_type(vOps, tag); |
| if (tagType < 0 || tagType >= NUM_TYPES) { |
| ALOGE("%s: tag type %d from vendor ops does not exist.", __FUNCTION__, tagType); |
| return BAD_VALUE; |
| } |
| desc->mTagToTypeMap.add(tag, tagType); |
| } |
| |
| desc->mSections = sections; |
| |
| for (size_t i = 0; i < static_cast<size_t>(tagCount); ++i) { |
| uint32_t tag = tagArray[i]; |
| String8 sectionString = tagToSectionMap.valueFor(tag); |
| |
| // Set up tag to section index map |
| ssize_t index = sections.indexOf(sectionString); |
| LOG_ALWAYS_FATAL_IF(index < 0, "index %zd must be non-negative", index); |
| desc->mTagToSectionMap.add(tag, static_cast<uint32_t>(index)); |
| |
| // Set up reverse mapping |
| ssize_t reverseIndex = -1; |
| if ((reverseIndex = desc->mReverseMapping.indexOfKey(sectionString)) < 0) { |
| KeyedVector<String8, uint32_t>* nameMapper = new KeyedVector<String8, uint32_t>(); |
| reverseIndex = desc->mReverseMapping.add(sectionString, nameMapper); |
| } |
| desc->mReverseMapping[reverseIndex]->add(desc->mTagToNameMap.valueFor(tag), tag); |
| } |
| |
| descriptor = desc; |
| return OK; |
| } |
| |
| status_t VendorTagDescriptor::setAsGlobalVendorTagDescriptor(const sp<VendorTagDescriptor>& desc) { |
| status_t res = OK; |
| Mutex::Autolock al(sLock); |
| sGlobalVendorTagDescriptor = desc; |
| |
| vendor_tag_ops_t* opsPtr = NULL; |
| if (desc != NULL) { |
| opsPtr = &(desc->mVendorOps); |
| opsPtr->get_tag_count = vendor_tag_descriptor_get_tag_count; |
| opsPtr->get_all_tags = vendor_tag_descriptor_get_all_tags; |
| opsPtr->get_section_name = vendor_tag_descriptor_get_section_name; |
| opsPtr->get_tag_name = vendor_tag_descriptor_get_tag_name; |
| opsPtr->get_tag_type = vendor_tag_descriptor_get_tag_type; |
| } |
| if((res = set_camera_metadata_vendor_ops(opsPtr)) != OK) { |
| ALOGE("%s: Could not set vendor tag descriptor, received error %s (%d)." |
| , __FUNCTION__, strerror(-res), res); |
| } |
| return res; |
| } |
| |
| void VendorTagDescriptor::clearGlobalVendorTagDescriptor() { |
| Mutex::Autolock al(sLock); |
| set_camera_metadata_vendor_ops(NULL); |
| sGlobalVendorTagDescriptor.clear(); |
| } |
| |
| sp<VendorTagDescriptor> VendorTagDescriptor::getGlobalVendorTagDescriptor() { |
| Mutex::Autolock al(sLock); |
| return sGlobalVendorTagDescriptor; |
| } |
| |
| extern "C" { |
| |
| int vendor_tag_descriptor_get_tag_count(const vendor_tag_ops_t* /*v*/) { |
| Mutex::Autolock al(sLock); |
| if (sGlobalVendorTagDescriptor == NULL) { |
| ALOGE("%s: Vendor tag descriptor not initialized.", __FUNCTION__); |
| return VENDOR_TAG_COUNT_ERR; |
| } |
| return sGlobalVendorTagDescriptor->getTagCount(); |
| } |
| |
| void vendor_tag_descriptor_get_all_tags(const vendor_tag_ops_t* /*v*/, uint32_t* tagArray) { |
| Mutex::Autolock al(sLock); |
| if (sGlobalVendorTagDescriptor == NULL) { |
| ALOGE("%s: Vendor tag descriptor not initialized.", __FUNCTION__); |
| return; |
| } |
| sGlobalVendorTagDescriptor->getTagArray(tagArray); |
| } |
| |
| const char* vendor_tag_descriptor_get_section_name(const vendor_tag_ops_t* /*v*/, uint32_t tag) { |
| Mutex::Autolock al(sLock); |
| if (sGlobalVendorTagDescriptor == NULL) { |
| ALOGE("%s: Vendor tag descriptor not initialized.", __FUNCTION__); |
| return VENDOR_SECTION_NAME_ERR; |
| } |
| return sGlobalVendorTagDescriptor->getSectionName(tag); |
| } |
| |
| const char* vendor_tag_descriptor_get_tag_name(const vendor_tag_ops_t* /*v*/, uint32_t tag) { |
| Mutex::Autolock al(sLock); |
| if (sGlobalVendorTagDescriptor == NULL) { |
| ALOGE("%s: Vendor tag descriptor not initialized.", __FUNCTION__); |
| return VENDOR_TAG_NAME_ERR; |
| } |
| return sGlobalVendorTagDescriptor->getTagName(tag); |
| } |
| |
| int vendor_tag_descriptor_get_tag_type(const vendor_tag_ops_t* /*v*/, uint32_t tag) { |
| Mutex::Autolock al(sLock); |
| if (sGlobalVendorTagDescriptor == NULL) { |
| ALOGE("%s: Vendor tag descriptor not initialized.", __FUNCTION__); |
| return VENDOR_TAG_TYPE_ERR; |
| } |
| return sGlobalVendorTagDescriptor->getTagType(tag); |
| } |
| |
| } /* extern "C" */ |
| } /* namespace android */ |