Added language detector result helpers
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commit
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@ -30,3 +30,15 @@ objc_library(
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"//mediapipe/tasks/ios/text/language_detector:MPPLanguageDetectorOptions",
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],
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)
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objc_library(
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name = "MPPLanguageDetectorResultHelpers",
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srcs = ["sources/MPPLanguageDetectorResult+Helpers.mm"],
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hdrs = ["sources/MPPLanguageDetectorResult+Helpers.h"],
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deps = [
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"//mediapipe/framework:packet",
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"//mediapipe/tasks/cc/components/containers/proto:classifications_cc_proto",
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"//mediapipe/tasks/ios/components/containers/utils:MPPClassificationResultHelpers",
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"//mediapipe/tasks/ios/text/language_detector:MPPLanguageDetectorResult",
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],
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)
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@ -0,0 +1,28 @@
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// Copyright 2023 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "mediapipe/tasks/ios/text/language_Detector/sources/MPPLanguageDetectorResult.h"
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#include "mediapipe/framework/packet.h"
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NS_ASSUME_NONNULL_BEGIN
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@interface MPPLanguageDetectorResult (Helpers)
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+ (MPPLanguageDetectorResult *)languageDetectorResultWithClassificationsPacket:
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(const mediapipe::Packet &)packet;
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@end
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NS_ASSUME_NONNULL_END
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@ -0,0 +1,61 @@
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// Copyright 2023 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "mediapipe/tasks/ios/components/containers/utils/sources/MPPClassificationResult+Helpers.h"
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#import "mediapipe/tasks/ios/text/language_detector/utils/sources/MPPLanguageDetectorResult+Helpers.h"
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#include "mediapipe/tasks/cc/components/containers/proto/classifications.pb.h"
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static const int kMicroSecondsPerMilliSecond = 1000;
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namespace {
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using ClassificationResultProto =
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::mediapipe::tasks::components::containers::proto::ClassificationResult;
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using ::mediapipe::Packet;
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} // namespace
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#define int kMicroSecondsPerMilliSecond = 1000;
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@implementation MPPLanguageDetectorResult (Helpers)
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+ (MPPLanguageDetectorResult *)languageDetectorResultWithClassificationsPacket:
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(const mediapipe::Packet &)packet {
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MPPClassificationResult *classificationResult = [MPPClassificationResult
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classificationResultWithProto:packet.Get<ClassificationResultProto>()];
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return [MPPLanguageDetectorResult
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languageDetectorResultWithClassificationResult:classificationResult
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timestampInMilliseconds:(NSInteger)(packet.Timestamp().Value() /
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kMicroSecondsPerMilliSecond)];
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}
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+ (MPPLanguageDetectorResult *)
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languageDetectorResultWithClassificationResult:(MPPClassificationResult *)classificationResult
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timestampInMilliseconds:(NSInteger)timestampInMilliseconds {
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NSArray<MPPLanguagePrediction *> *languagePredictions =
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[NSMutableArray arrayWithCapacity:classificationResult.classifications.count];
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if (classificationResult.classifications.count > 0) {
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for (MPPCategory *category in classificationResult.classifications[0].categories) {
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MPPLanguagePrediction *languagePrediction =
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[[MPPLanguagePrediction alloc] initWithLanguageCode:category.categoryName
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probability:category.score];
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}
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}
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return [[MPPLanguageDetectorResult alloc] initWithLanguagePredictions:languagePredictions
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timestampInMilliseconds:timestampInMilliseconds];
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}
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@end
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