Added language detector result helpers

This commit is contained in:
Prianka Liz Kariat 2023-10-21 10:42:32 +05:30
parent 8fc3a0473f
commit f185bc6635
3 changed files with 101 additions and 0 deletions

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@ -30,3 +30,15 @@ objc_library(
"//mediapipe/tasks/ios/text/language_detector:MPPLanguageDetectorOptions", "//mediapipe/tasks/ios/text/language_detector:MPPLanguageDetectorOptions",
], ],
) )
objc_library(
name = "MPPLanguageDetectorResultHelpers",
srcs = ["sources/MPPLanguageDetectorResult+Helpers.mm"],
hdrs = ["sources/MPPLanguageDetectorResult+Helpers.h"],
deps = [
"//mediapipe/framework:packet",
"//mediapipe/tasks/cc/components/containers/proto:classifications_cc_proto",
"//mediapipe/tasks/ios/components/containers/utils:MPPClassificationResultHelpers",
"//mediapipe/tasks/ios/text/language_detector:MPPLanguageDetectorResult",
],
)

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@ -0,0 +1,28 @@
// Copyright 2023 The MediaPipe Authors.
//
// 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.
#import "mediapipe/tasks/ios/text/language_Detector/sources/MPPLanguageDetectorResult.h"
#include "mediapipe/framework/packet.h"
NS_ASSUME_NONNULL_BEGIN
@interface MPPLanguageDetectorResult (Helpers)
+ (MPPLanguageDetectorResult *)languageDetectorResultWithClassificationsPacket:
(const mediapipe::Packet &)packet;
@end
NS_ASSUME_NONNULL_END

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@ -0,0 +1,61 @@
// Copyright 2023 The MediaPipe Authors.
//
// 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.
#import "mediapipe/tasks/ios/components/containers/utils/sources/MPPClassificationResult+Helpers.h"
#import "mediapipe/tasks/ios/text/language_detector/utils/sources/MPPLanguageDetectorResult+Helpers.h"
#include "mediapipe/tasks/cc/components/containers/proto/classifications.pb.h"
static const int kMicroSecondsPerMilliSecond = 1000;
namespace {
using ClassificationResultProto =
::mediapipe::tasks::components::containers::proto::ClassificationResult;
using ::mediapipe::Packet;
} // namespace
#define int kMicroSecondsPerMilliSecond = 1000;
@implementation MPPLanguageDetectorResult (Helpers)
+ (MPPLanguageDetectorResult *)languageDetectorResultWithClassificationsPacket:
(const mediapipe::Packet &)packet {
MPPClassificationResult *classificationResult = [MPPClassificationResult
classificationResultWithProto:packet.Get<ClassificationResultProto>()];
return [MPPLanguageDetectorResult
languageDetectorResultWithClassificationResult:classificationResult
timestampInMilliseconds:(NSInteger)(packet.Timestamp().Value() /
kMicroSecondsPerMilliSecond)];
}
+ (MPPLanguageDetectorResult *)
languageDetectorResultWithClassificationResult:(MPPClassificationResult *)classificationResult
timestampInMilliseconds:(NSInteger)timestampInMilliseconds {
NSArray<MPPLanguagePrediction *> *languagePredictions =
[NSMutableArray arrayWithCapacity:classificationResult.classifications.count];
if (classificationResult.classifications.count > 0) {
for (MPPCategory *category in classificationResult.classifications[0].categories) {
MPPLanguagePrediction *languagePrediction =
[[MPPLanguagePrediction alloc] initWithLanguageCode:category.categoryName
probability:category.score];
}
}
return [[MPPLanguageDetectorResult alloc] initWithLanguagePredictions:languagePredictions
timestampInMilliseconds:timestampInMilliseconds];
}
@end