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samples: moving beta samples from java-docs and refactored GA samples (…
…#299) * samples: moving beta samples from java-docs and refactored GA samples * renamed beta package and refactored tests
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/* | ||
* Copyright 2018 Google Inc. | ||
* | ||
* 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. | ||
*/ | ||
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package beta.video; | ||
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import com.google.api.gax.longrunning.OperationFuture; | ||
import com.google.cloud.videointelligence.v1p1beta1.AnnotateVideoProgress; | ||
import com.google.cloud.videointelligence.v1p1beta1.AnnotateVideoRequest; | ||
import com.google.cloud.videointelligence.v1p1beta1.AnnotateVideoResponse; | ||
import com.google.cloud.videointelligence.v1p1beta1.Feature; | ||
import com.google.cloud.videointelligence.v1p1beta1.SpeechRecognitionAlternative; | ||
import com.google.cloud.videointelligence.v1p1beta1.SpeechTranscription; | ||
import com.google.cloud.videointelligence.v1p1beta1.SpeechTranscriptionConfig; | ||
import com.google.cloud.videointelligence.v1p1beta1.VideoAnnotationResults; | ||
import com.google.cloud.videointelligence.v1p1beta1.VideoContext; | ||
import com.google.cloud.videointelligence.v1p1beta1.VideoIntelligenceServiceClient; | ||
import com.google.cloud.videointelligence.v1p1beta1.WordInfo; | ||
import java.io.IOException; | ||
import java.util.concurrent.TimeUnit; | ||
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public class Detect { | ||
/** | ||
* Detects video transcription using the Video Intelligence API | ||
* | ||
* @param args specifies features to detect and the path to the video on Google Cloud Storage. | ||
*/ | ||
public static void main(String[] args) { | ||
try { | ||
argsHelper(args); | ||
} catch (Exception e) { | ||
System.out.println("Exception while running:\n" + e.getMessage() + "\n"); | ||
e.printStackTrace(System.out); | ||
} | ||
} | ||
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/** | ||
* Helper that handles the input passed to the program. | ||
* | ||
* @param args specifies features to detect and the path to the video on Google Cloud Storage. | ||
* @throws IOException on Input/Output errors. | ||
*/ | ||
public static void argsHelper(String[] args) throws Exception { | ||
if (args.length < 1) { | ||
System.out.println("Usage:"); | ||
System.out.printf( | ||
"\tjava %s \"<command>\" \"<path-to-video>\"\n" | ||
+ "Commands:\n" | ||
+ "\tspeech-transcription\n" | ||
+ "Path:\n\tA URI for a Cloud Storage resource (gs://...)\n" | ||
+ "Examples: ", | ||
Detect.class.getCanonicalName()); | ||
return; | ||
} | ||
String command = args[0]; | ||
String path = args.length > 1 ? args[1] : ""; | ||
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if (command.equals("speech-transcription")) { | ||
speechTranscription(path); | ||
} | ||
} | ||
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// [START video_speech_transcription_gcs_beta] | ||
/** | ||
* Transcribe speech from a video stored on GCS. | ||
* | ||
* @param gcsUri the path to the video file to analyze. | ||
*/ | ||
public static void speechTranscription(String gcsUri) throws Exception { | ||
// Instantiate a com.google.cloud.videointelligence.v1p1beta1.VideoIntelligenceServiceClient | ||
try (VideoIntelligenceServiceClient client = VideoIntelligenceServiceClient.create()) { | ||
// Set the language code | ||
SpeechTranscriptionConfig config = | ||
SpeechTranscriptionConfig.newBuilder() | ||
.setLanguageCode("en-US") | ||
.setEnableAutomaticPunctuation(true) | ||
.build(); | ||
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// Set the video context with the above configuration | ||
VideoContext context = VideoContext.newBuilder().setSpeechTranscriptionConfig(config).build(); | ||
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// Create the request | ||
AnnotateVideoRequest request = | ||
AnnotateVideoRequest.newBuilder() | ||
.setInputUri(gcsUri) | ||
.addFeatures(Feature.SPEECH_TRANSCRIPTION) | ||
.setVideoContext(context) | ||
.build(); | ||
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// asynchronously perform speech transcription on videos | ||
OperationFuture<AnnotateVideoResponse, AnnotateVideoProgress> response = | ||
client.annotateVideoAsync(request); | ||
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System.out.println("Waiting for operation to complete..."); | ||
// Display the results | ||
for (VideoAnnotationResults results : | ||
response.get(300, TimeUnit.SECONDS).getAnnotationResultsList()) { | ||
for (SpeechTranscription speechTranscription : results.getSpeechTranscriptionsList()) { | ||
try { | ||
// Print the transcription | ||
if (speechTranscription.getAlternativesCount() > 0) { | ||
SpeechRecognitionAlternative alternative = speechTranscription.getAlternatives(0); | ||
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System.out.printf("Transcript: %s\n", alternative.getTranscript()); | ||
System.out.printf("Confidence: %.2f\n", alternative.getConfidence()); | ||
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System.out.println("Word level information:"); | ||
for (WordInfo wordInfo : alternative.getWordsList()) { | ||
double startTime = | ||
wordInfo.getStartTime().getSeconds() + wordInfo.getStartTime().getNanos() / 1e9; | ||
double endTime = | ||
wordInfo.getEndTime().getSeconds() + wordInfo.getEndTime().getNanos() / 1e9; | ||
System.out.printf( | ||
"\t%4.2fs - %4.2fs: %s\n", startTime, endTime, wordInfo.getWord()); | ||
} | ||
} else { | ||
System.out.println("No transcription found"); | ||
} | ||
} catch (IndexOutOfBoundsException ioe) { | ||
System.out.println("Could not retrieve frame: " + ioe.getMessage()); | ||
} | ||
} | ||
} | ||
} | ||
} | ||
// [END video_speech_transcription_gcs_beta] | ||
} |
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