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Merge pull request #41 from MarcWeberFS:7-transcribe-audio-into-text
7-transcribe-audio-into-text
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42 changes: 42 additions & 0 deletions
42
video-downloader-backend/src/main/java/ch/marc/delegates/TranscribeVideoDelegate.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package ch.marc.delegates; | ||
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| import org.camunda.bpm.engine.delegate.DelegateExecution; | ||
| import org.camunda.bpm.engine.delegate.JavaDelegate; | ||
| import org.springframework.stereotype.Component; | ||
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| import software.amazon.awssdk.services.transcribe.TranscribeClient; | ||
| import software.amazon.awssdk.services.transcribe.model.*; | ||
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| @Component | ||
| public class TranscribeVideoDelegate implements JavaDelegate { | ||
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| @Override | ||
| public void execute(DelegateExecution execution) { | ||
| String downloadLink = (String) execution.getVariable("downloadLink"); | ||
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| String s3Uri = downloadLink.replace("https://video-download-temp.s3.amazonaws.com/", "s3://video-download-temp/"); | ||
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| TranscribeClient transcribeClient = TranscribeClient.builder().build(); | ||
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| StartTranscriptionJobRequest transcriptionJobRequest = StartTranscriptionJobRequest.builder() | ||
| .transcriptionJobName("TranscriptionJob_" + System.currentTimeMillis()) | ||
| .languageCode(LanguageCode.EN_US) | ||
| .mediaFormat(MediaFormat.MP4) | ||
| .media(Media.builder().mediaFileUri(s3Uri).build()) | ||
| .subtitles(Subtitles.builder().formats(SubtitleFormat.SRT).build()) | ||
| .build(); | ||
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| try { | ||
| StartTranscriptionJobResponse transcriptionJobResponse = transcribeClient.startTranscriptionJob(transcriptionJobRequest); | ||
| System.out.println("Transcription job started with ID: " + transcriptionJobResponse.transcriptionJob().transcriptionJobName()); | ||
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| execution.setVariable("transcriptionJobId", transcriptionJobResponse.transcriptionJob().transcriptionJobName()); | ||
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| } catch (TranscribeException e) { | ||
| System.err.println("Error starting transcription job: " + e.awsErrorDetails().errorMessage()); | ||
| throw new RuntimeException("Transcription job failed", e); | ||
| } finally { | ||
| transcribeClient.close(); | ||
| } | ||
| } | ||
| } |
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