1 /*
2 * Copyright (c) 2021-2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #define HST_LOG_TAG "Pip_Plugin_Utils"
17
18 #include "plugin_utils.h"
19
20 #include <cstdarg>
21
22 #include "foundation/log.h"
23 #include "pipeline/core/plugin_attr_desc.h"
24
25 namespace {
26 constexpr int32_t MAX_BUF_LEN = 512;
27 #define RETURN_IF_FAILED(exec, errVal, retVal) \
28 do { \
29 auto res = exec; \
30 if (res == (errVal)) { \
31 return errVal; \
32 } else { \
33 (retVal) = res; \
34 } \
35 } while (0)
36
37 #define RETURN_IF_SNPRI_FAILED(exec, snPrintRet, retVal) \
38 do { \
39 snPrintRet = exec; \
40 if ((snPrintRet) == -1) { \
41 MEDIA_LOG_W("stringiness failed due to %" PUBLIC_LOG_S " or truncated.", strerror(errno)); \
42 return retVal; \
43 } \
44 } while (0)
45
46 using namespace OHOS::Media;
47
48 template <typename T>
Stringiness(char * buf,size_t maxLen,const char * name,const T & val)49 int32_t Stringiness(char* buf, size_t maxLen, const char* name, const T& val)
50 {
51 MEDIA_LOG_I("no cap trans function for %" PUBLIC_LOG_S " may be update?", name);
52 return 0;
53 }
54
55 template <typename T>
FixedCapKeyStringiness(char * buf,size_t maxLen,const char * name,const char * typeName,const Plugin::ValueType & val)56 int32_t FixedCapKeyStringiness(char* buf, size_t maxLen, const char* name, const char* typeName,
57 const Plugin::ValueType& val)
58 {
59 int pos = 0;
60 auto ret = snprintf_truncated_s(buf, maxLen, "%s:(%s)", name, typeName);
61 if (ret == -1) {
62 return ret;
63 }
64 pos += ret;
65 auto item = Plugin::AnyCast<T>(&val);
66 RETURN_IF_FAILED(Stringiness(buf + pos, maxLen - pos, name, *item), -1, ret);
67 return pos + ret;
68 }
69
70 template<typename T>
IntervalCapKeyStringiness(char * buf,size_t maxLen,const char * name,const char * typeName,const Plugin::ValueType & val)71 int32_t IntervalCapKeyStringiness(char* buf, size_t maxLen, const char* name, const char* typeName,
72 const Plugin::ValueType& val)
73 {
74 int pos = 0;
75 auto ret = snprintf_truncated_s(buf, maxLen, "%s:(%s)[", name, typeName);
76 if (ret == -1) {
77 return ret;
78 }
79 pos += ret;
80 auto item = Plugin::AnyCast<Plugin::IntervalCapability<T>>(&val);
81 RETURN_IF_FAILED(Stringiness(buf + pos, maxLen - pos, name, item->first), -1, ret);
82 pos += ret;
83 RETURN_IF_FAILED(snprintf_truncated_s(buf + pos , maxLen - pos, ", "), -1, ret);
84 pos += ret;
85 RETURN_IF_FAILED(Stringiness(buf + pos, maxLen - pos, name, item->second), -1, ret);
86 pos += ret;
87 RETURN_IF_FAILED(snprintf_truncated_s(buf + pos , maxLen - pos, "]"), -1, ret);
88 return pos + ret;
89 }
90
91 template<typename T>
DiscreteCapKeyStringiness(char * buf,size_t maxLen,const char * name,const char * typeName,const Plugin::ValueType & val)92 int32_t DiscreteCapKeyStringiness(char* buf, size_t maxLen, const char* name, const char* typeName,
93 const Plugin::ValueType& val)
94 {
95 int pos = 0;
96 auto ret = snprintf_truncated_s(buf, maxLen, "%s:(%s){", name, typeName);
97 if (ret == -1) {
98 return ret;
99 }
100 pos += ret;
101 auto item = Plugin::AnyCast<Plugin::DiscreteCapability<T>>(&val);
102 int32_t i = 0;
103 int32_t length = item->size();
104 for (; i < length - 1; i++) {
105 RETURN_IF_FAILED(Stringiness<T>(buf + pos, maxLen - pos, name, item->at(i)), -1, ret);
106 pos += ret;
107 RETURN_IF_FAILED(snprintf_truncated_s(buf + pos , maxLen - pos, ", "), -1, ret);
108 pos += ret;
109 }
110 if (i == length -1) {
111 RETURN_IF_FAILED(Stringiness<T>(buf + pos, maxLen - pos, name, item->at(i)), -1, ret);
112 pos += ret;
113 }
114 RETURN_IF_FAILED(snprintf_truncated_s(buf + pos , maxLen - pos, "}"), -1, ret);
115 return pos + ret;
116 }
117
118 template<typename T>
CapKeyStringiness(char * buf,size_t maxLen,const char * name,const char * typeName,const Plugin::ValueType & val)119 int32_t CapKeyStringiness(char* buf, size_t maxLen, const char* name, const char* typeName,
120 const Plugin::ValueType& val)
121 {
122 if (val.SameTypeWith(typeid(Plugin::FixedCapability<T>))) {
123 return FixedCapKeyStringiness<T>(buf, maxLen, name, typeName, val);
124 } else if (val.SameTypeWith(typeid(Plugin::IntervalCapability<T>))) {
125 return IntervalCapKeyStringiness<T>(buf, maxLen, name, typeName, val);
126 } else if (val.SameTypeWith(typeid(Plugin::DiscreteCapability<T>))) {
127 return DiscreteCapKeyStringiness<T>(buf, maxLen, name, typeName, val);
128 } else {
129 MEDIA_LOG_W("cap %" PUBLIC_LOG_S "type mismatches when cast to string, which should be %" PUBLIC_LOG_S,
130 name, typeName);
131 }
132 return -1;
133 }
134 template <>
Stringiness(char * buf,size_t maxLen,const char * name,const int32_t & val)135 MEDIA_UNUSED int32_t Stringiness(char* buf, size_t maxLen, const char* name, const int32_t& val)
136 {
137 return snprintf_truncated_s(buf, maxLen, "%" PRIi32, val);
138 }
139
140 template<>
Stringiness(char * buf,size_t maxLen,const char * name,const uint32_t & val)141 int32_t Stringiness(char* buf, size_t maxLen, const char* name, const uint32_t& val)
142 {
143 return snprintf_truncated_s(buf, maxLen, "%" PRIu32, val);
144 }
145
146 template<>
Stringiness(char * buf,size_t maxLen,const char * name,const std::string & val)147 int32_t Stringiness(char* buf, size_t maxLen, const char* name, const std::string& val)
148 {
149 return snprintf_truncated_s(buf, maxLen, "%s", val.c_str());
150 }
151
152 template<>
Stringiness(char * buf,size_t maxLen,const char * name,const int64_t & val)153 int32_t Stringiness(char* buf, size_t maxLen, const char* name, const int64_t& val)
154 {
155 return snprintf_truncated_s(buf, maxLen, "%" PRId64, val);
156 }
157
158 template<>
Stringiness(char * buf,size_t maxLen,const char * name,const uint64_t & val)159 int32_t Stringiness(char* buf, size_t maxLen, const char* name, const uint64_t& val)
160 {
161 return snprintf_truncated_s(buf, maxLen, "%" PRIu64, val);
162 }
163
164 template<>
Stringiness(char * buf,size_t maxLen,const char * name,const std::vector<int8_t> & val)165 MEDIA_UNUSED int32_t Stringiness(char* buf, size_t maxLen, const char* name, const std::vector<int8_t>& val)
166 {
167 return snprintf_truncated_s(buf, maxLen, "%p", val.data());
168 }
169
170 template<>
Stringiness(char * buf,size_t maxLen,const char * name,const Plugin::AudioSampleFormat & val)171 int32_t Stringiness(char* buf, size_t maxLen, const char* name, const Plugin::AudioSampleFormat& val)
172 {
173 if (Pipeline::g_auSampleFmtStrMap.count(val) == 0) {
174 MEDIA_LOG_W("audio sample format %" PUBLIC_LOG_D32 " is unknown", static_cast<int32_t>(val));
175 return 0;
176 }
177 return snprintf_truncated_s(buf, maxLen, "%s", Pipeline::g_auSampleFmtStrMap.at(val));
178 }
179
180 template<>
Stringiness(char * buf,size_t maxLen,const char * name,const Plugin::AudioChannelLayout & val)181 int32_t Stringiness(char* buf, size_t maxLen, const char* name, const Plugin::AudioChannelLayout& val)
182 {
183 if (Pipeline::g_auChannelLayoutStrMap.count(val) == 0) {
184 MEDIA_LOG_W("audio channel layout %" PUBLIC_LOG_U64 " is unknown", static_cast<uint64_t>(val));
185 return 0;
186 }
187 return snprintf_truncated_s(buf, maxLen, "%s", Pipeline::g_auChannelLayoutStrMap.at(val));
188 }
189
190 template<typename T>
MetaIDStringiness(char * buf,size_t maxLen,const char * name,const char * typeName,const Plugin::ValueType & val)191 int32_t MetaIDStringiness(char* buf, size_t maxLen, const char* name, const char* typeName,
192 const Plugin::ValueType& val)
193 {
194 if (val.SameTypeWith(typeid(T))) {
195 return FixedCapKeyStringiness<T>(buf, maxLen, name, typeName, val);
196 } else {
197 MEDIA_LOG_W("meta %" PUBLIC_LOG_S " type mismatches when cast to string", name);
198 }
199 return -1;
200 }
201
202 using CapStrnessFunc = std::function<int32_t(char*, size_t, const char*, const char*, const Plugin::ValueType&)>;
203
204 std::map<Plugin::MetaID, CapStrnessFunc> g_metaStrnessMap = {
205 {Plugin::MetaID::MIME, MetaIDStringiness<std::string>},
206 {Plugin::MetaID::TRACK_ID, MetaIDStringiness<uint32_t>},
207 {Plugin::MetaID::MEDIA_CODEC_CONFIG,MetaIDStringiness<std::vector<uint8_t>>},
208 {Plugin::MetaID::AUDIO_CHANNELS, MetaIDStringiness<uint32_t>},
209 {Plugin::MetaID::AUDIO_SAMPLE_RATE, MetaIDStringiness<uint32_t>},
210 {Plugin::MetaID::AUDIO_SAMPLE_FORMAT, MetaIDStringiness<Plugin::AudioSampleFormat>},
211 {Plugin::MetaID::AUDIO_SAMPLE_PER_FRAME, MetaIDStringiness<uint32_t>},
212 {Plugin::MetaID::AUDIO_CHANNEL_LAYOUT, MetaIDStringiness<Plugin::AudioChannelLayout>},
213 {Plugin::MetaID::MEDIA_TITLE, MetaIDStringiness<std::string>},
214 {Plugin::MetaID::MEDIA_ARTIST, MetaIDStringiness<std::string>},
215 {Plugin::MetaID::MEDIA_LYRICIST, MetaIDStringiness<std::string>},
216 {Plugin::MetaID::MEDIA_ALBUM, MetaIDStringiness<std::string>},
217 {Plugin::MetaID::MEDIA_ALBUM_ARTIST, MetaIDStringiness<std::string>},
218 {Plugin::MetaID::MEDIA_DATE, MetaIDStringiness<std::string>},
219 {Plugin::MetaID::MEDIA_COMMENT, MetaIDStringiness<std::string>},
220 {Plugin::MetaID::MEDIA_GENRE, MetaIDStringiness<std::string>},
221 {Plugin::MetaID::MEDIA_DESCRIPTION, MetaIDStringiness<std::string>},
222 {Plugin::MetaID::MEDIA_COPYRIGHT, MetaIDStringiness<std::string>},
223 {Plugin::MetaID::MEDIA_LANGUAGE, MetaIDStringiness<std::string>},
224 {Plugin::MetaID::MEDIA_LYRICS, MetaIDStringiness<std::string>},
225 {Plugin::MetaID::MEDIA_DURATION, MetaIDStringiness<uint64_t>},
226 {Plugin::MetaID::MEDIA_BITRATE, MetaIDStringiness<int64_t>},
227 {Plugin::MetaID::MEDIA_FILE_EXTENSION, MetaIDStringiness<std::string>},
228 {Plugin::MetaID::MEDIA_FILE_SIZE , MetaIDStringiness<uint64_t>},
229 {Plugin::MetaID::AUDIO_MPEG_VERSION, MetaIDStringiness<uint32_t>},
230 {Plugin::MetaID::AUDIO_MPEG_LAYER ,MetaIDStringiness<uint32_t>},
231 {Plugin::MetaID::AUDIO_AAC_PROFILE, MetaIDStringiness<Plugin::AudioAacProfile>},
232 {Plugin::MetaID::AUDIO_AAC_LEVEL, MetaIDStringiness<uint32_t>},
233 {Plugin::MetaID::AUDIO_AAC_STREAM_FORMAT, MetaIDStringiness<Plugin::AudioAacStreamFormat>},
234 {Plugin::MetaID::VIDEO_WIDTH, MetaIDStringiness<uint32_t>},
235 {Plugin::MetaID::VIDEO_HEIGHT, MetaIDStringiness<uint32_t>},
236 {Plugin::MetaID::VIDEO_PIXEL_FORMAT, MetaIDStringiness<Plugin::VideoPixelFormat>},
237 };
238 }
239
240 namespace OHOS {
241 namespace Media {
242 namespace Pipeline {
243 /**
244 * translate plugin error into pipeline error code
245 * @param pluginError
246 * @return
247 */
TranslatePluginStatus(Plugin::Status pluginError)248 OHOS::Media::ErrorCode TranslatePluginStatus(Plugin::Status pluginError)
249 {
250 const static std::map<Plugin::Status, ErrorCode> g_transTable = {
251 {Plugin::Status::END_OF_STREAM, ErrorCode::END_OF_STREAM},
252 {Plugin::Status::OK, ErrorCode::SUCCESS},
253 {Plugin::Status::NO_ERROR, ErrorCode::SUCCESS},
254 {Plugin::Status::ERROR_UNKNOWN, ErrorCode::ERROR_UNKNOWN},
255 {Plugin::Status::ERROR_PLUGIN_ALREADY_EXISTS,ErrorCode::ERROR_UNKNOWN},
256 {Plugin::Status::ERROR_INCOMPATIBLE_VERSION, ErrorCode::ERROR_UNKNOWN},
257 {Plugin::Status::ERROR_NO_MEMORY, ErrorCode::ERROR_NO_MEMORY},
258 {Plugin::Status::ERROR_WRONG_STATE,ErrorCode::ERROR_INVALID_OPERATION},
259 {Plugin::Status::ERROR_UNIMPLEMENTED, ErrorCode::ERROR_UNIMPLEMENTED},
260 {Plugin::Status::ERROR_INVALID_PARAMETER, ErrorCode::ERROR_INVALID_PARAMETER_VALUE},
261 {Plugin::Status::ERROR_INVALID_DATA, ErrorCode::ERROR_UNKNOWN},
262 {Plugin::Status::ERROR_MISMATCHED_TYPE, ErrorCode::ERROR_INVALID_PARAMETER_TYPE},
263 {Plugin::Status::ERROR_TIMED_OUT, ErrorCode::ERROR_TIMED_OUT},
264 {Plugin::Status::ERROR_UNSUPPORTED_FORMAT, ErrorCode::ERROR_UNSUPPORTED_FORMAT},
265 {Plugin::Status::ERROR_NOT_ENOUGH_DATA,ErrorCode::ERROR_UNKNOWN},
266 {Plugin::Status::ERROR_NOT_EXISTED, ErrorCode::ERROR_NOT_EXISTED},
267 {Plugin::Status::ERROR_AGAIN, ErrorCode::ERROR_AGAIN},
268 {Plugin::Status::ERROR_PERMISSION_DENIED, ErrorCode::ERROR_PERMISSION_DENIED},
269 };
270 auto ite = g_transTable.find(pluginError);
271 if (ite == g_transTable.end()) {
272 return ErrorCode::ERROR_UNKNOWN;
273 }
274 return ite->second;
275 }
276
TranslateIntoParameter(const int & key,OHOS::Media::Plugin::Tag & tag)277 bool TranslateIntoParameter(const int& key, OHOS::Media::Plugin::Tag& tag)
278 {
279 if (key < static_cast<int32_t>(OHOS::Media::Plugin::Tag::INVALID)) {
280 return false;
281 }
282 tag = static_cast<OHOS::Media::Plugin::Tag>(key);
283 return true;
284 }
285
286 std::vector<std::pair<std::shared_ptr<Plugin::PluginInfo>, Plugin::Capability>>
FindAvailablePlugins(const Plugin::Capability & upStreamCaps,Plugin::PluginType pluginType)287 FindAvailablePlugins(const Plugin::Capability& upStreamCaps, Plugin::PluginType pluginType)
288 {
289 auto pluginNames = Plugin::PluginManager::Instance().ListPlugins(pluginType);
290 std::vector<std::pair<std::shared_ptr<Plugin::PluginInfo>, Plugin::Capability>> infos;
291 for (const auto& name : pluginNames) {
292 auto tmpInfo = Plugin::PluginManager::Instance().GetPluginInfo(pluginType, name);
293 Capability cap;
294 if (ApplyCapabilitySet(upStreamCaps, tmpInfo->inCaps, cap)) {
295 infos.emplace_back(tmpInfo, cap);
296 }
297 }
298 return infos;
299 }
FindAvailablePluginsByOutputMime(const std::string & outputMime,Plugin::PluginType pluginType)300 std::vector<std::shared_ptr<Plugin::PluginInfo>> FindAvailablePluginsByOutputMime(const std::string& outputMime,
301 Plugin::PluginType pluginType)
302 {
303 auto pluginNames = Plugin::PluginManager::Instance().ListPlugins(pluginType);
304 std::vector<std::shared_ptr<Plugin::PluginInfo>> rets;
305 for (const auto& name : pluginNames) {
306 auto tmpInfo = Plugin::PluginManager::Instance().GetPluginInfo(pluginType, name);
307 for (const auto& cap : tmpInfo->outCaps) {
308 if (cap.mime == outputMime) {
309 rets.emplace_back(tmpInfo);
310 break;
311 }
312 }
313 }
314 return rets;
315 }
GetBytesPerSample(Plugin::AudioSampleFormat fmt)316 uint8_t GetBytesPerSample(Plugin::AudioSampleFormat fmt)
317 {
318 uint8_t bytesPerSample = 0;
319 switch (fmt) {
320 case Plugin::AudioSampleFormat::S64:
321 case Plugin::AudioSampleFormat::S64P:
322 case Plugin::AudioSampleFormat::U64:
323 case Plugin::AudioSampleFormat::U64P:
324 case Plugin::AudioSampleFormat::F64:
325 case Plugin::AudioSampleFormat::F64P:
326 bytesPerSample = 8; // 8 bytes
327 break;
328 case Plugin::AudioSampleFormat::F32:
329 case Plugin::AudioSampleFormat::F32P:
330 case Plugin::AudioSampleFormat::S32:
331 case Plugin::AudioSampleFormat::S32P:
332 case Plugin::AudioSampleFormat::U32:
333 case Plugin::AudioSampleFormat::U32P:
334 bytesPerSample = 4; // 4 bytes
335 break;
336 case Plugin::AudioSampleFormat::S24:
337 case Plugin::AudioSampleFormat::S24P:
338 case Plugin::AudioSampleFormat::U24:
339 case Plugin::AudioSampleFormat::U24P:
340 bytesPerSample = 3; // 3 bytes
341 break;
342 case Plugin::AudioSampleFormat::S16:
343 case Plugin::AudioSampleFormat::S16P:
344 case Plugin::AudioSampleFormat::U16:
345 case Plugin::AudioSampleFormat::U16P:
346 bytesPerSample = 2; // 2 bytes
347 break;
348 case Plugin::AudioSampleFormat::S8:
349 case Plugin::AudioSampleFormat::U8:
350 bytesPerSample = 1; // 1 bytes
351 break;
352 default:
353 bytesPerSample = 0;
354 break;
355 }
356 return bytesPerSample;
357 }
358
Capability2String(const Capability & capability)359 std::string Capability2String(const Capability& capability)
360 {
361 const static std::map<Capability::Key,CapStrnessFunc> capStrnessMap = {
362 {Capability::Key::MEDIA_BITRATE, CapKeyStringiness<int64_t>},
363 {Capability::Key::AUDIO_SAMPLE_RATE, CapKeyStringiness<uint32_t>},
364 {Capability::Key::AUDIO_CHANNELS, CapKeyStringiness<uint32_t>},
365 {Capability::Key::AUDIO_CHANNEL_LAYOUT, CapKeyStringiness<Plugin::AudioChannelLayout>},
366 {Capability::Key::AUDIO_SAMPLE_FORMAT, CapKeyStringiness<Plugin::AudioSampleFormat>},
367 {Capability::Key::AUDIO_MPEG_VERSION, CapKeyStringiness<uint32_t>},
368 {Capability::Key::AUDIO_MPEG_LAYER, CapKeyStringiness<uint32_t>},
369 {Capability::Key::AUDIO_AAC_PROFILE, CapKeyStringiness<Plugin::AudioAacProfile>},
370 {Capability::Key::AUDIO_AAC_LEVEL, CapKeyStringiness<uint32_t>},
371 {Capability::Key::AUDIO_AAC_STREAM_FORMAT, CapKeyStringiness<Plugin::AudioAacStreamFormat>},
372 {Capability::Key::VIDEO_PIXEL_FORMAT, CapKeyStringiness<Plugin::VideoPixelFormat>},
373 };
374 char buffer[MAX_BUF_LEN + 1] = {0}; // one more is for \0
375 int pos = 0;
376 int32_t ret = 0;
377 RETURN_IF_SNPRI_FAILED(snprintf_truncated_s(buffer, MAX_BUF_LEN, "Capability{mime:%s, ", capability.mime.c_str()),
378 ret, {});
379 pos += ret;
380 bool needEtc = false;
381 for (const auto& cap : capability.keys) {
382 if (pos >= MAX_BUF_LEN - 1) { // reserve for "}"
383 needEtc = true;
384 break;
385 }
386 if (capStrnessMap.count(cap.first) == 0 || g_tagInfoMap.count(static_cast<Tag>(cap.first)) == 0) {
387 MEDIA_LOG_W("%" PUBLIC_LOG_D32 " is not in map, may be new key which is not contained?", cap.first);
388 continue;
389 }
390 const auto& info = g_tagInfoMap.at(static_cast<Tag>(cap.first));
391 RETURN_IF_SNPRI_FAILED(capStrnessMap.at(cap.first)(buffer + pos, MAX_BUF_LEN - pos, std::get<0>(info),
392 std::get<2>(info), cap.second), ret, buffer);
393 pos += ret;
394 RETURN_IF_SNPRI_FAILED(snprintf_truncated_s(buffer + pos, MAX_BUF_LEN - pos, ", "), ret, buffer);
395 pos += ret;
396 }
397 if (needEtc) {
398 pos = MAX_BUF_LEN - 5; // 5 is length of " ...}"
399 snprintf_truncated_s(buffer + pos, MAX_BUF_LEN + 1 - pos, " ...}");
400 } else {
401 pos -= 2; // 2 is length of ", "
402 snprintf_truncated_s(buffer + pos, MAX_BUF_LEN + 1 - pos, "}");
403 }
404 return buffer;
405 }
406
Meta2String(const Plugin::Meta & meta)407 std::string Meta2String(const Plugin::Meta& meta)
408 {
409 char buffer[MAX_BUF_LEN + 1] = {0}; // one more is for \0
410 int pos = 0;
411 int32_t ret = 0;
412 std::string mime;
413 RETURN_IF_SNPRI_FAILED(snprintf_truncated_s(buffer + pos, MAX_BUF_LEN - pos, "Meta{"), ret, {});
414 pos += ret;
415 bool needEtc = false;
416 for (const auto & item : meta.GetMetaIDs()) {
417 if (pos >= MAX_BUF_LEN - 2) { // reserve for "}\0"
418 needEtc = true;
419 break;
420 }
421 if (g_tagInfoMap.count(static_cast<Tag>(item)) == 0 || g_metaStrnessMap.count(item) == 0) {
422 MEDIA_LOG_W("meta id %" PUBLIC_LOG_D32 "is not is map, may be update the info map?", item);
423 continue;
424 }
425 const Plugin::ValueType* tmp = meta.GetData(item);
426 const auto& tuple = g_tagInfoMap.at(static_cast<Tag>(item));
427 if (tmp) {
428 RETURN_IF_SNPRI_FAILED(g_metaStrnessMap.at(item)(buffer + pos, MAX_BUF_LEN - pos,
429 std::get<0>(tuple), std::get<2>(tuple), *tmp), ret, buffer);
430 pos += ret;
431 RETURN_IF_SNPRI_FAILED(snprintf_truncated_s(buffer + pos, MAX_BUF_LEN - pos, ", "), ret, buffer);
432 pos += ret;
433 }
434 }
435 if (needEtc) {
436 pos = MAX_BUF_LEN - 5; // 5 is length of " ...}\0"
437 snprintf_truncated_s(buffer + pos, MAX_BUF_LEN + 1 - pos, " ...}");
438 } else {
439 pos -= 2; // 2 is length of ", "
440 snprintf_truncated_s(buffer + pos, MAX_BUF_LEN + 1 - pos, "}");
441 }
442 return buffer;
443 }
444 #undef RETURN_IF_SNPRI_FAILED
445 } // namespace Pipeline
446 } // namespace Media
447 } // namespace OHOS
448