1 /*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "VendorTagDescriptor"
18
19 #include <binder/Parcel.h>
20 #include <utils/Errors.h>
21 #include <utils/Log.h>
22 #include <utils/Mutex.h>
23 #include <utils/Vector.h>
24 #include <utils/SortedVector.h>
25 #include <system/camera_metadata.h>
26 #include <camera_metadata_hidden.h>
27
28 #include "camera/VendorTagDescriptor.h"
29
30 #include <stdio.h>
31 #include <string.h>
32 #include <inttypes.h>
33
34 namespace android {
35
36 extern "C" {
37
38 static int vendor_tag_descriptor_get_tag_count(const vendor_tag_ops_t* v);
39 static void vendor_tag_descriptor_get_all_tags(const vendor_tag_ops_t* v, uint32_t* tagArray);
40 static const char* vendor_tag_descriptor_get_section_name(const vendor_tag_ops_t* v, uint32_t tag);
41 static const char* vendor_tag_descriptor_get_tag_name(const vendor_tag_ops_t* v, uint32_t tag);
42 static int vendor_tag_descriptor_get_tag_type(const vendor_tag_ops_t* v, uint32_t tag);
43
44 static int vendor_tag_descriptor_cache_get_tag_count(metadata_vendor_id_t id);
45 static void vendor_tag_descriptor_cache_get_all_tags(uint32_t* tagArray,
46 metadata_vendor_id_t id);
47 static const char* vendor_tag_descriptor_cache_get_section_name(uint32_t tag,
48 metadata_vendor_id_t id);
49 static const char* vendor_tag_descriptor_cache_get_tag_name(uint32_t tag,
50 metadata_vendor_id_t id);
51 static int vendor_tag_descriptor_cache_get_tag_type(uint32_t tag,
52 metadata_vendor_id_t id);
53
54 } /* extern "C" */
55
56
57 static Mutex sLock;
58 static sp<VendorTagDescriptor> sGlobalVendorTagDescriptor;
59 static sp<VendorTagDescriptorCache> sGlobalVendorTagDescriptorCache;
60
61 namespace hardware {
62 namespace camera2 {
63 namespace params {
64
~VendorTagDescriptor()65 VendorTagDescriptor::~VendorTagDescriptor() {
66 size_t len = mReverseMapping.size();
67 for (size_t i = 0; i < len; ++i) {
68 delete mReverseMapping[i];
69 }
70 }
71
VendorTagDescriptor()72 VendorTagDescriptor::VendorTagDescriptor() :
73 mTagCount(0),
74 mVendorOps() {
75 }
76
VendorTagDescriptor(const VendorTagDescriptor & src)77 VendorTagDescriptor::VendorTagDescriptor(const VendorTagDescriptor& src) {
78 copyFrom(src);
79 }
80
operator =(const VendorTagDescriptor & rhs)81 VendorTagDescriptor& VendorTagDescriptor::operator=(const VendorTagDescriptor& rhs) {
82 copyFrom(rhs);
83 return *this;
84 }
85
copyFrom(const VendorTagDescriptor & src)86 void VendorTagDescriptor::copyFrom(const VendorTagDescriptor& src) {
87 if (this == &src) return;
88
89 size_t len = mReverseMapping.size();
90 for (size_t i = 0; i < len; ++i) {
91 delete mReverseMapping[i];
92 }
93 mReverseMapping.clear();
94
95 len = src.mReverseMapping.size();
96 // Have to copy KeyedVectors inside mReverseMapping
97 for (size_t i = 0; i < len; ++i) {
98 KeyedVector<String8, uint32_t>* nameMapper = new KeyedVector<String8, uint32_t>();
99 *nameMapper = *(src.mReverseMapping.valueAt(i));
100 mReverseMapping.add(src.mReverseMapping.keyAt(i), nameMapper);
101 }
102 // Everything else is simple
103 mTagToNameMap = src.mTagToNameMap;
104 mTagToSectionMap = src.mTagToSectionMap;
105 mTagToTypeMap = src.mTagToTypeMap;
106 mSections = src.mSections;
107 mTagCount = src.mTagCount;
108 mVendorOps = src.mVendorOps;
109 }
110
readFromParcel(const android::Parcel * parcel)111 status_t VendorTagDescriptor::readFromParcel(const android::Parcel* parcel) {
112 status_t res = OK;
113 if (parcel == NULL) {
114 ALOGE("%s: parcel argument was NULL.", __FUNCTION__);
115 return BAD_VALUE;
116 }
117
118 int32_t tagCount = 0;
119 if ((res = parcel->readInt32(&tagCount)) != OK) {
120 ALOGE("%s: could not read tag count from parcel", __FUNCTION__);
121 return res;
122 }
123
124 if (tagCount < 0 || tagCount > INT32_MAX) {
125 ALOGE("%s: tag count %d from vendor ops is invalid.", __FUNCTION__, tagCount);
126 return BAD_VALUE;
127 }
128
129 mTagCount = tagCount;
130
131 uint32_t tag, sectionIndex;
132 uint32_t maxSectionIndex = 0;
133 int32_t tagType;
134 Vector<uint32_t> allTags;
135 for (int32_t i = 0; i < tagCount; ++i) {
136 if ((res = parcel->readInt32(reinterpret_cast<int32_t*>(&tag))) != OK) {
137 ALOGE("%s: could not read tag id from parcel for index %d", __FUNCTION__, i);
138 break;
139 }
140 if (tag < CAMERA_METADATA_VENDOR_TAG_BOUNDARY) {
141 ALOGE("%s: vendor tag %d not in vendor tag section.", __FUNCTION__, tag);
142 res = BAD_VALUE;
143 break;
144 }
145 if ((res = parcel->readInt32(&tagType)) != OK) {
146 ALOGE("%s: could not read tag type from parcel for tag %d", __FUNCTION__, tag);
147 break;
148 }
149 if (tagType < 0 || tagType >= NUM_TYPES) {
150 ALOGE("%s: tag type %d from vendor ops does not exist.", __FUNCTION__, tagType);
151 res = BAD_VALUE;
152 break;
153 }
154 String8 tagName = parcel->readString8();
155 if (tagName.isEmpty()) {
156 ALOGE("%s: parcel tag name was NULL for tag %d.", __FUNCTION__, tag);
157 res = NOT_ENOUGH_DATA;
158 break;
159 }
160
161 if ((res = parcel->readInt32(reinterpret_cast<int32_t*>(§ionIndex))) != OK) {
162 ALOGE("%s: could not read section index for tag %d.", __FUNCTION__, tag);
163 break;
164 }
165
166 maxSectionIndex = (maxSectionIndex >= sectionIndex) ? maxSectionIndex : sectionIndex;
167
168 allTags.add(tag);
169 mTagToNameMap.add(tag, tagName);
170 mTagToSectionMap.add(tag, sectionIndex);
171 mTagToTypeMap.add(tag, tagType);
172 }
173
174 if (res != OK) {
175 return res;
176 }
177
178 size_t sectionCount = 0;
179 if (tagCount > 0) {
180 if ((res = parcel->readInt32(reinterpret_cast<int32_t*>(§ionCount))) != OK) {
181 ALOGE("%s: could not read section count for.", __FUNCTION__);
182 return res;
183 }
184 if (sectionCount < (maxSectionIndex + 1)) {
185 ALOGE("%s: Incorrect number of sections defined, received %zu, needs %d.",
186 __FUNCTION__, sectionCount, (maxSectionIndex + 1));
187 return BAD_VALUE;
188 }
189 LOG_ALWAYS_FATAL_IF(mSections.setCapacity(sectionCount) <= 0,
190 "Vector capacity must be positive");
191 for (size_t i = 0; i < sectionCount; ++i) {
192 String8 sectionName = parcel->readString8();
193 if (sectionName.isEmpty()) {
194 ALOGE("%s: parcel section name was NULL for section %zu.",
195 __FUNCTION__, i);
196 return NOT_ENOUGH_DATA;
197 }
198 mSections.add(sectionName);
199 }
200 }
201
202 LOG_ALWAYS_FATAL_IF(static_cast<size_t>(tagCount) != allTags.size(),
203 "tagCount must be the same as allTags size");
204 // Set up reverse mapping
205 for (size_t i = 0; i < static_cast<size_t>(tagCount); ++i) {
206 uint32_t tag = allTags[i];
207 const String8& sectionString = mSections[mTagToSectionMap.valueFor(tag)];
208
209 ssize_t reverseIndex = -1;
210 if ((reverseIndex = mReverseMapping.indexOfKey(sectionString)) < 0) {
211 KeyedVector<String8, uint32_t>* nameMapper = new KeyedVector<String8, uint32_t>();
212 reverseIndex = mReverseMapping.add(sectionString, nameMapper);
213 }
214 mReverseMapping[reverseIndex]->add(mTagToNameMap.valueFor(tag), tag);
215 }
216
217 return res;
218 }
219
getTagCount() const220 int VendorTagDescriptor::getTagCount() const {
221 size_t size = mTagToNameMap.size();
222 if (size == 0) {
223 return VENDOR_TAG_COUNT_ERR;
224 }
225 return size;
226 }
227
getTagArray(uint32_t * tagArray) const228 void VendorTagDescriptor::getTagArray(uint32_t* tagArray) const {
229 size_t size = mTagToNameMap.size();
230 for (size_t i = 0; i < size; ++i) {
231 tagArray[i] = mTagToNameMap.keyAt(i);
232 }
233 }
234
getSectionName(uint32_t tag) const235 const char* VendorTagDescriptor::getSectionName(uint32_t tag) const {
236 ssize_t index = mTagToSectionMap.indexOfKey(tag);
237 if (index < 0) {
238 return VENDOR_SECTION_NAME_ERR;
239 }
240 return mSections[mTagToSectionMap.valueAt(index)].string();
241 }
242
getTagName(uint32_t tag) const243 const char* VendorTagDescriptor::getTagName(uint32_t tag) const {
244 ssize_t index = mTagToNameMap.indexOfKey(tag);
245 if (index < 0) {
246 return VENDOR_TAG_NAME_ERR;
247 }
248 return mTagToNameMap.valueAt(index).string();
249 }
250
getTagType(uint32_t tag) const251 int VendorTagDescriptor::getTagType(uint32_t tag) const {
252 ssize_t index = mTagToNameMap.indexOfKey(tag);
253 if (index < 0) {
254 return VENDOR_TAG_TYPE_ERR;
255 }
256 return mTagToTypeMap.valueFor(tag);
257 }
258
writeToParcel(android::Parcel * parcel) const259 status_t VendorTagDescriptor::writeToParcel(android::Parcel* parcel) const {
260 status_t res = OK;
261 if (parcel == NULL) {
262 ALOGE("%s: parcel argument was NULL.", __FUNCTION__);
263 return BAD_VALUE;
264 }
265
266 if ((res = parcel->writeInt32(mTagCount)) != OK) {
267 return res;
268 }
269
270 size_t size = mTagToNameMap.size();
271 uint32_t tag, sectionIndex;
272 int32_t tagType;
273 for (size_t i = 0; i < size; ++i) {
274 tag = mTagToNameMap.keyAt(i);
275 String8 tagName = mTagToNameMap[i];
276 sectionIndex = mTagToSectionMap.valueFor(tag);
277 tagType = mTagToTypeMap.valueFor(tag);
278 if ((res = parcel->writeInt32(tag)) != OK) break;
279 if ((res = parcel->writeInt32(tagType)) != OK) break;
280 if ((res = parcel->writeString8(tagName)) != OK) break;
281 if ((res = parcel->writeInt32(sectionIndex)) != OK) break;
282 }
283
284 size_t numSections = mSections.size();
285 if (numSections > 0) {
286 if ((res = parcel->writeInt32(numSections)) != OK) return res;
287 for (size_t i = 0; i < numSections; ++i) {
288 if ((res = parcel->writeString8(mSections[i])) != OK) return res;
289 }
290 }
291
292 return res;
293 }
294
getAllSectionNames() const295 const SortedVector<String8>* VendorTagDescriptor::getAllSectionNames() const {
296 return &mSections;
297 }
298
lookupTag(const String8 & name,const String8 & section,uint32_t * tag) const299 status_t VendorTagDescriptor::lookupTag(const String8& name, const String8& section, /*out*/uint32_t* tag) const {
300 ssize_t index = mReverseMapping.indexOfKey(section);
301 if (index < 0) {
302 ALOGE("%s: Section '%s' does not exist.", __FUNCTION__, section.string());
303 return BAD_VALUE;
304 }
305
306 ssize_t nameIndex = mReverseMapping[index]->indexOfKey(name);
307 if (nameIndex < 0) {
308 ALOGE("%s: Tag name '%s' does not exist.", __FUNCTION__, name.string());
309 return BAD_VALUE;
310 }
311
312 if (tag != NULL) {
313 *tag = mReverseMapping[index]->valueAt(nameIndex);
314 }
315 return OK;
316 }
317
dump(int fd,int verbosity,int indentation) const318 void VendorTagDescriptor::dump(int fd, int verbosity, int indentation) const {
319
320 size_t size = mTagToNameMap.size();
321 if (size == 0) {
322 dprintf(fd, "%*sDumping configured vendor tag descriptors: None set\n",
323 indentation, "");
324 return;
325 }
326
327 dprintf(fd, "%*sDumping configured vendor tag descriptors: %zu entries\n",
328 indentation, "", size);
329 for (size_t i = 0; i < size; ++i) {
330 uint32_t tag = mTagToNameMap.keyAt(i);
331
332 if (verbosity < 1) {
333 dprintf(fd, "%*s0x%x\n", indentation + 2, "", tag);
334 continue;
335 }
336 String8 name = mTagToNameMap.valueAt(i);
337 uint32_t sectionId = mTagToSectionMap.valueFor(tag);
338 String8 sectionName = mSections[sectionId];
339 int type = mTagToTypeMap.valueFor(tag);
340 const char* typeName = (type >= 0 && type < NUM_TYPES) ?
341 camera_metadata_type_names[type] : "UNKNOWN";
342 dprintf(fd, "%*s0x%x (%s) with type %d (%s) defined in section %s\n", indentation + 2,
343 "", tag, name.string(), type, typeName, sectionName.string());
344 }
345
346 }
347
writeToParcel(Parcel * parcel) const348 status_t VendorTagDescriptorCache::writeToParcel(Parcel* parcel) const {
349 status_t res = OK;
350 if (parcel == NULL) {
351 ALOGE("%s: parcel argument was NULL.", __FUNCTION__);
352 return BAD_VALUE;
353 }
354
355 if ((res = parcel->writeInt32(mVendorMap.size())) != OK) {
356 return res;
357 }
358
359 for (const auto &iter : mVendorMap) {
360 if ((res = parcel->writeUint64(iter.first)) != OK) break;
361 if ((res = parcel->writeParcelable(*iter.second)) != OK) break;
362 }
363
364 return res;
365 }
366
367
readFromParcel(const Parcel * parcel)368 status_t VendorTagDescriptorCache::readFromParcel(const Parcel* parcel) {
369 status_t res = OK;
370 if (parcel == NULL) {
371 ALOGE("%s: parcel argument was NULL.", __FUNCTION__);
372 return BAD_VALUE;
373 }
374
375 int32_t vendorCount = 0;
376 if ((res = parcel->readInt32(&vendorCount)) != OK) {
377 ALOGE("%s: could not read vendor count from parcel", __FUNCTION__);
378 return res;
379 }
380
381 if (vendorCount < 0 || vendorCount > INT32_MAX) {
382 ALOGE("%s: vendor count %d from is invalid.", __FUNCTION__, vendorCount);
383 return BAD_VALUE;
384 }
385
386 metadata_vendor_id_t id;
387 for (int32_t i = 0; i < vendorCount; i++) {
388 if ((res = parcel->readUint64(&id)) != OK) {
389 ALOGE("%s: could not read vendor id from parcel for index %d",
390 __FUNCTION__, i);
391 break;
392 }
393 sp<android::VendorTagDescriptor> desc = new android::VendorTagDescriptor();
394 if ((res = parcel->readParcelable(desc.get())) != OK) {
395 ALOGE("%s: could not read vendor tag descriptor from parcel for index %d rc = %d",
396 __FUNCTION__, i, res);
397 break;
398 }
399
400 if ((res = addVendorDescriptor(id, desc)) != OK) {
401 ALOGE("%s: failed to add vendor tag descriptor for index: %d ",
402 __FUNCTION__, i);
403 break;
404 }
405 }
406
407 return res;
408 }
409
getTagCount(metadata_vendor_id_t id) const410 int VendorTagDescriptorCache::getTagCount(metadata_vendor_id_t id) const {
411 int ret = 0;
412 auto desc = mVendorMap.find(id);
413 if (desc != mVendorMap.end()) {
414 ret = desc->second->getTagCount();
415 } else {
416 ALOGE("%s: Vendor descriptor id is missing!", __func__);
417 }
418
419 return ret;
420 }
421
getTagArray(uint32_t * tagArray,metadata_vendor_id_t id) const422 void VendorTagDescriptorCache::getTagArray(uint32_t* tagArray,
423 metadata_vendor_id_t id) const {
424 auto desc = mVendorMap.find(id);
425 if (desc != mVendorMap.end()) {
426 desc->second->getTagArray(tagArray);
427 } else {
428 ALOGE("%s: Vendor descriptor id is missing!", __func__);
429 }
430 }
431
getSectionName(uint32_t tag,metadata_vendor_id_t id) const432 const char* VendorTagDescriptorCache::getSectionName(uint32_t tag,
433 metadata_vendor_id_t id) const {
434 const char *ret = nullptr;
435 auto desc = mVendorMap.find(id);
436 if (desc != mVendorMap.end()) {
437 ret = desc->second->getSectionName(tag);
438 } else {
439 ALOGE("%s: Vendor descriptor id is missing!", __func__);
440 }
441
442 return ret;
443 }
444
getTagName(uint32_t tag,metadata_vendor_id_t id) const445 const char* VendorTagDescriptorCache::getTagName(uint32_t tag,
446 metadata_vendor_id_t id) const {
447 const char *ret = nullptr;
448 auto desc = mVendorMap.find(id);
449 if (desc != mVendorMap.end()) {
450 ret = desc->second->getTagName(tag);
451 } else {
452 ALOGE("%s: Vendor descriptor id is missing!", __func__);
453 }
454
455 return ret;
456 }
457
getTagType(uint32_t tag,metadata_vendor_id_t id) const458 int VendorTagDescriptorCache::getTagType(uint32_t tag,
459 metadata_vendor_id_t id) const {
460 int ret = 0;
461 auto desc = mVendorMap.find(id);
462 if (desc != mVendorMap.end()) {
463 ret = desc->second->getTagType(tag);
464 } else {
465 ALOGE("%s: Vendor descriptor id is missing!", __func__);
466 }
467
468 return ret;
469 }
470
dump(int fd,int verbosity,int indentation) const471 void VendorTagDescriptorCache::dump(int fd, int verbosity,
472 int indentation) const {
473 for (const auto &desc : mVendorMap) {
474 dprintf(fd, "%*sDumping vendor tag descriptors for vendor with"
475 " id %" PRIu64 " \n", indentation, "", desc.first);
476 desc.second->dump(fd, verbosity, indentation);
477 }
478 }
479
addVendorDescriptor(metadata_vendor_id_t id,sp<android::VendorTagDescriptor> desc)480 int32_t VendorTagDescriptorCache::addVendorDescriptor(metadata_vendor_id_t id,
481 sp<android::VendorTagDescriptor> desc) {
482 auto entry = mVendorMap.find(id);
483 if (entry != mVendorMap.end()) {
484 ALOGE("%s: Vendor descriptor with same id already present!", __func__);
485 return BAD_VALUE;
486 }
487
488 mVendorMap.emplace(id, desc);
489 return NO_ERROR;
490 }
491
getVendorTagDescriptor(metadata_vendor_id_t id,sp<android::VendorTagDescriptor> * desc)492 int32_t VendorTagDescriptorCache::getVendorTagDescriptor(
493 metadata_vendor_id_t id, sp<android::VendorTagDescriptor> *desc /*out*/) {
494 auto entry = mVendorMap.find(id);
495 if (entry == mVendorMap.end()) {
496 return NAME_NOT_FOUND;
497 }
498
499 *desc = entry->second;
500
501 return NO_ERROR;
502 }
503
504 } // namespace params
505 } // namespace camera2
506 } // namespace hardware
507
createDescriptorFromOps(const vendor_tag_ops_t * vOps,sp<VendorTagDescriptor> & descriptor)508 status_t VendorTagDescriptor::createDescriptorFromOps(const vendor_tag_ops_t* vOps,
509 /*out*/
510 sp<VendorTagDescriptor>& descriptor) {
511 if (vOps == NULL) {
512 ALOGE("%s: vendor_tag_ops argument was NULL.", __FUNCTION__);
513 return BAD_VALUE;
514 }
515
516 int tagCount = vOps->get_tag_count(vOps);
517 if (tagCount < 0 || tagCount > INT32_MAX) {
518 ALOGE("%s: tag count %d from vendor ops is invalid.", __FUNCTION__, tagCount);
519 return BAD_VALUE;
520 }
521
522 Vector<uint32_t> tagArray;
523 LOG_ALWAYS_FATAL_IF(tagArray.resize(tagCount) != tagCount,
524 "%s: too many (%u) vendor tags defined.", __FUNCTION__, tagCount);
525
526 vOps->get_all_tags(vOps, /*out*/tagArray.editArray());
527
528 sp<VendorTagDescriptor> desc = new VendorTagDescriptor();
529 desc->mTagCount = tagCount;
530
531 SortedVector<String8> sections;
532 KeyedVector<uint32_t, String8> tagToSectionMap;
533
534 for (size_t i = 0; i < static_cast<size_t>(tagCount); ++i) {
535 uint32_t tag = tagArray[i];
536 if (tag < CAMERA_METADATA_VENDOR_TAG_BOUNDARY) {
537 ALOGE("%s: vendor tag %d not in vendor tag section.", __FUNCTION__, tag);
538 return BAD_VALUE;
539 }
540 const char *tagName = vOps->get_tag_name(vOps, tag);
541 if (tagName == NULL) {
542 ALOGE("%s: no tag name defined for vendor tag %d.", __FUNCTION__, tag);
543 return BAD_VALUE;
544 }
545 desc->mTagToNameMap.add(tag, String8(tagName));
546 const char *sectionName = vOps->get_section_name(vOps, tag);
547 if (sectionName == NULL) {
548 ALOGE("%s: no section name defined for vendor tag %d.", __FUNCTION__, tag);
549 return BAD_VALUE;
550 }
551
552 String8 sectionString(sectionName);
553
554 sections.add(sectionString);
555 tagToSectionMap.add(tag, sectionString);
556
557 int tagType = vOps->get_tag_type(vOps, tag);
558 if (tagType < 0 || tagType >= NUM_TYPES) {
559 ALOGE("%s: tag type %d from vendor ops does not exist.", __FUNCTION__, tagType);
560 return BAD_VALUE;
561 }
562 desc->mTagToTypeMap.add(tag, tagType);
563 }
564
565 desc->mSections = sections;
566
567 for (size_t i = 0; i < static_cast<size_t>(tagCount); ++i) {
568 uint32_t tag = tagArray[i];
569 String8 sectionString = tagToSectionMap.valueFor(tag);
570
571 // Set up tag to section index map
572 ssize_t index = sections.indexOf(sectionString);
573 LOG_ALWAYS_FATAL_IF(index < 0, "index %zd must be non-negative", index);
574 desc->mTagToSectionMap.add(tag, static_cast<uint32_t>(index));
575
576 // Set up reverse mapping
577 ssize_t reverseIndex = -1;
578 if ((reverseIndex = desc->mReverseMapping.indexOfKey(sectionString)) < 0) {
579 KeyedVector<String8, uint32_t>* nameMapper = new KeyedVector<String8, uint32_t>();
580 reverseIndex = desc->mReverseMapping.add(sectionString, nameMapper);
581 }
582 desc->mReverseMapping[reverseIndex]->add(desc->mTagToNameMap.valueFor(tag), tag);
583 }
584
585 descriptor = desc;
586 return OK;
587 }
588
setAsGlobalVendorTagDescriptor(const sp<VendorTagDescriptor> & desc)589 status_t VendorTagDescriptor::setAsGlobalVendorTagDescriptor(const sp<VendorTagDescriptor>& desc) {
590 status_t res = OK;
591 Mutex::Autolock al(sLock);
592 sGlobalVendorTagDescriptor = desc;
593
594 vendor_tag_ops_t* opsPtr = NULL;
595 if (desc != NULL) {
596 opsPtr = &(desc->mVendorOps);
597 opsPtr->get_tag_count = vendor_tag_descriptor_get_tag_count;
598 opsPtr->get_all_tags = vendor_tag_descriptor_get_all_tags;
599 opsPtr->get_section_name = vendor_tag_descriptor_get_section_name;
600 opsPtr->get_tag_name = vendor_tag_descriptor_get_tag_name;
601 opsPtr->get_tag_type = vendor_tag_descriptor_get_tag_type;
602 }
603 if((res = set_camera_metadata_vendor_ops(opsPtr)) != OK) {
604 ALOGE("%s: Could not set vendor tag descriptor, received error %s (%d)."
605 , __FUNCTION__, strerror(-res), res);
606 }
607 return res;
608 }
609
clearGlobalVendorTagDescriptor()610 void VendorTagDescriptor::clearGlobalVendorTagDescriptor() {
611 Mutex::Autolock al(sLock);
612 set_camera_metadata_vendor_ops(NULL);
613 sGlobalVendorTagDescriptor.clear();
614 }
615
getGlobalVendorTagDescriptor()616 sp<VendorTagDescriptor> VendorTagDescriptor::getGlobalVendorTagDescriptor() {
617 Mutex::Autolock al(sLock);
618 return sGlobalVendorTagDescriptor;
619 }
620
setAsGlobalVendorTagCache(const sp<VendorTagDescriptorCache> & cache)621 status_t VendorTagDescriptorCache::setAsGlobalVendorTagCache(
622 const sp<VendorTagDescriptorCache>& cache) {
623 status_t res = OK;
624 Mutex::Autolock al(sLock);
625 sGlobalVendorTagDescriptorCache = cache;
626
627 struct vendor_tag_cache_ops* opsPtr = NULL;
628 if (cache != NULL) {
629 opsPtr = &(cache->mVendorCacheOps);
630 opsPtr->get_tag_count = vendor_tag_descriptor_cache_get_tag_count;
631 opsPtr->get_all_tags = vendor_tag_descriptor_cache_get_all_tags;
632 opsPtr->get_section_name = vendor_tag_descriptor_cache_get_section_name;
633 opsPtr->get_tag_name = vendor_tag_descriptor_cache_get_tag_name;
634 opsPtr->get_tag_type = vendor_tag_descriptor_cache_get_tag_type;
635 }
636 if((res = set_camera_metadata_vendor_cache_ops(opsPtr)) != OK) {
637 ALOGE("%s: Could not set vendor tag cache, received error %s (%d)."
638 , __FUNCTION__, strerror(-res), res);
639 }
640 return res;
641 }
642
clearGlobalVendorTagCache()643 void VendorTagDescriptorCache::clearGlobalVendorTagCache() {
644 Mutex::Autolock al(sLock);
645 set_camera_metadata_vendor_cache_ops(NULL);
646 sGlobalVendorTagDescriptorCache.clear();
647 }
648
getGlobalVendorTagCache()649 sp<VendorTagDescriptorCache> VendorTagDescriptorCache::getGlobalVendorTagCache() {
650 Mutex::Autolock al(sLock);
651 return sGlobalVendorTagDescriptorCache;
652 }
653
654 extern "C" {
655
vendor_tag_descriptor_get_tag_count(const vendor_tag_ops_t *)656 int vendor_tag_descriptor_get_tag_count(const vendor_tag_ops_t* /*v*/) {
657 Mutex::Autolock al(sLock);
658 if (sGlobalVendorTagDescriptor == NULL) {
659 ALOGE("%s: Vendor tag descriptor not initialized.", __FUNCTION__);
660 return VENDOR_TAG_COUNT_ERR;
661 }
662 return sGlobalVendorTagDescriptor->getTagCount();
663 }
664
vendor_tag_descriptor_get_all_tags(const vendor_tag_ops_t *,uint32_t * tagArray)665 void vendor_tag_descriptor_get_all_tags(const vendor_tag_ops_t* /*v*/, uint32_t* tagArray) {
666 Mutex::Autolock al(sLock);
667 if (sGlobalVendorTagDescriptor == NULL) {
668 ALOGE("%s: Vendor tag descriptor not initialized.", __FUNCTION__);
669 return;
670 }
671 sGlobalVendorTagDescriptor->getTagArray(tagArray);
672 }
673
vendor_tag_descriptor_get_section_name(const vendor_tag_ops_t *,uint32_t tag)674 const char* vendor_tag_descriptor_get_section_name(const vendor_tag_ops_t* /*v*/, uint32_t tag) {
675 Mutex::Autolock al(sLock);
676 if (sGlobalVendorTagDescriptor == NULL) {
677 ALOGE("%s: Vendor tag descriptor not initialized.", __FUNCTION__);
678 return VENDOR_SECTION_NAME_ERR;
679 }
680 return sGlobalVendorTagDescriptor->getSectionName(tag);
681 }
682
vendor_tag_descriptor_get_tag_name(const vendor_tag_ops_t *,uint32_t tag)683 const char* vendor_tag_descriptor_get_tag_name(const vendor_tag_ops_t* /*v*/, uint32_t tag) {
684 Mutex::Autolock al(sLock);
685 if (sGlobalVendorTagDescriptor == NULL) {
686 ALOGE("%s: Vendor tag descriptor not initialized.", __FUNCTION__);
687 return VENDOR_TAG_NAME_ERR;
688 }
689 return sGlobalVendorTagDescriptor->getTagName(tag);
690 }
691
vendor_tag_descriptor_get_tag_type(const vendor_tag_ops_t *,uint32_t tag)692 int vendor_tag_descriptor_get_tag_type(const vendor_tag_ops_t* /*v*/, uint32_t tag) {
693 Mutex::Autolock al(sLock);
694 if (sGlobalVendorTagDescriptor == NULL) {
695 ALOGE("%s: Vendor tag descriptor not initialized.", __FUNCTION__);
696 return VENDOR_TAG_TYPE_ERR;
697 }
698 return sGlobalVendorTagDescriptor->getTagType(tag);
699 }
700
vendor_tag_descriptor_cache_get_tag_count(metadata_vendor_id_t id)701 int vendor_tag_descriptor_cache_get_tag_count(metadata_vendor_id_t id) {
702 Mutex::Autolock al(sLock);
703 if (sGlobalVendorTagDescriptorCache == NULL) {
704 ALOGE("%s: Vendor tag descriptor cache not initialized.", __FUNCTION__);
705 return VENDOR_TAG_COUNT_ERR;
706 }
707 return sGlobalVendorTagDescriptorCache->getTagCount(id);
708 }
709
vendor_tag_descriptor_cache_get_all_tags(uint32_t * tagArray,metadata_vendor_id_t id)710 void vendor_tag_descriptor_cache_get_all_tags(uint32_t* tagArray,
711 metadata_vendor_id_t id) {
712 Mutex::Autolock al(sLock);
713 if (sGlobalVendorTagDescriptorCache == NULL) {
714 ALOGE("%s: Vendor tag descriptor cache not initialized.", __FUNCTION__);
715 }
716 sGlobalVendorTagDescriptorCache->getTagArray(tagArray, id);
717 }
718
vendor_tag_descriptor_cache_get_section_name(uint32_t tag,metadata_vendor_id_t id)719 const char* vendor_tag_descriptor_cache_get_section_name(uint32_t tag,
720 metadata_vendor_id_t id) {
721 Mutex::Autolock al(sLock);
722 if (sGlobalVendorTagDescriptorCache == NULL) {
723 ALOGE("%s: Vendor tag descriptor cache not initialized.", __FUNCTION__);
724 return VENDOR_SECTION_NAME_ERR;
725 }
726 return sGlobalVendorTagDescriptorCache->getSectionName(tag, id);
727 }
728
vendor_tag_descriptor_cache_get_tag_name(uint32_t tag,metadata_vendor_id_t id)729 const char* vendor_tag_descriptor_cache_get_tag_name(uint32_t tag,
730 metadata_vendor_id_t id) {
731 Mutex::Autolock al(sLock);
732 if (sGlobalVendorTagDescriptorCache == NULL) {
733 ALOGE("%s: Vendor tag descriptor cache not initialized.", __FUNCTION__);
734 return VENDOR_TAG_NAME_ERR;
735 }
736 return sGlobalVendorTagDescriptorCache->getTagName(tag, id);
737 }
738
vendor_tag_descriptor_cache_get_tag_type(uint32_t tag,metadata_vendor_id_t id)739 int vendor_tag_descriptor_cache_get_tag_type(uint32_t tag,
740 metadata_vendor_id_t id) {
741 Mutex::Autolock al(sLock);
742 if (sGlobalVendorTagDescriptorCache == NULL) {
743 ALOGE("%s: Vendor tag descriptor cache not initialized.", __FUNCTION__);
744 return VENDOR_TAG_NAME_ERR;
745 }
746 return sGlobalVendorTagDescriptorCache->getTagType(tag, id);
747 }
748
749 } /* extern "C" */
750 } /* namespace android */
751