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<?php |
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namespace Meema\MediaRecognition\Traits; |
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use Exception; |
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trait CanRecognizeVideos |
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{ |
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/** |
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* Sets the video to be analyzed. |
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* |
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* @param $type - used to create a readable identifier. |
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* @return void |
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* @throws \Exception |
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*/ |
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protected function setVideoSettings($type): void |
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{ |
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$disk = $this->disk ?? config('media-recognition.disk'); |
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$bucketName = config("filesystems.disks.$disk.bucket"); |
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if (! $bucketName) { |
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throw new Exception('Please make sure to set a S3 bucket name.'); |
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} |
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$this->settings['Video'] = [ |
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'S3Object' => [ |
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'Bucket' => $bucketName, |
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'Name' => $this->path, |
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], |
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]; |
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$this->settings['NotificationChannel'] = [ |
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'RoleArn' => config('media-recognition.iam_arn'), |
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'SNSTopicArn' => config('media-recognition.sns_topic_arn'), |
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]; |
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$uniqueId = $type.'_'.$this->mediaId; |
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// Idempotent token used to identify the start request. |
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// If you use the same token with multiple StartCelebrityRecognition requests, the same JobId is returned. |
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// Use ClientRequestToken to prevent the same job from being accidentally started more than once. |
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$this->settings['ClientRequestToken'] = $uniqueId; |
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// the JobTag is set to be the media id, so we can adjust the media record with the results once the webhook comes in |
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$this->settings['JobTag'] = $uniqueId; |
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} |
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/** |
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* Starts the detection of labels/objects in a video. |
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* |
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* @param int $mediaId |
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* @param int|null $minConfidence |
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* @param int $maxResults |
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* @return \Aws\Result |
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* @throws \Exception |
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*/ |
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public function startDetectingLabels(int $mediaId, $minConfidence = null, $maxResults = 1000) |
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{ |
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$this->mediaId = $mediaId; |
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$this->setVideoSettings('labels'); |
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$this->settings['MinConfidence'] = $minConfidence ?? config('media-recognition.min_confidence'); |
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$this->settings['MaxResults'] = $maxResults; |
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$results = $this->client->startLabelDetection($this->settings); |
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if ($results['JobId']) { |
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$this->updateJobId($results['JobId'], 'labels'); |
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} |
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return $results; |
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} |
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/** |
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* Starts the detection of faces in a video. |
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* |
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* @param int $mediaId |
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* @param array $attributes |
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* @return \Aws\Result |
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* @throws \Exception |
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*/ |
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public function startDetectingFaces($mediaId = null, $attributes = ['DEFAULT']) |
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{ |
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$this->mediaId = $mediaId; |
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$this->setVideoSettings('faces'); |
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$this->settings['MinConfidence'] = $minConfidence ?? config('media-recognition.min_confidence'); |
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$results = $this->client->startFaceDetection($this->settings); |
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if ($results['JobId']) { |
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$this->updateJobId($results['JobId'], 'faces'); |
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} |
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return $results; |
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} |
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} |
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meemalabs /
laravel-media-recognition
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