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

Author: munkhuushmgl

video/pom.xml

@@ -42,6 +42,10 @@
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-video-intelligence</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.google.cloud</groupId>
+      <artifactId>google-cloud-storage</artifactId>
+    </dependency>
     <!-- [END videointelligence_install_with_bom] -->
 
     <dependency>

video/src/main/java/beta/video/Detect.java

@@ -0,0 +1,139 @@
+/*
+ * 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.
+ */
+
+package beta.video;
+
+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;
+
+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);
+    }
+  }
+
+  /**
+   * 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] : "";
+
+    if (command.equals("speech-transcription")) {
+      speechTranscription(path);
+    }
+  }
+
+  // [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();
+
+      // Set the video context with the above configuration
+      VideoContext context = VideoContext.newBuilder().setSpeechTranscriptionConfig(config).build();
+
+      // Create the request
+      AnnotateVideoRequest request =
+          AnnotateVideoRequest.newBuilder()
+              .setInputUri(gcsUri)
+              .addFeatures(Feature.SPEECH_TRANSCRIPTION)
+              .setVideoContext(context)
+              .build();
+
+      // asynchronously perform speech transcription on videos
+      OperationFuture<AnnotateVideoResponse, AnnotateVideoProgress> response =
+          client.annotateVideoAsync(request);
+
+      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);
+
+              System.out.printf("Transcript: %s\n", alternative.getTranscript());
+              System.out.printf("Confidence: %.2f\n", alternative.getConfidence());
+
+              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]
+}

video/src/main/java/com/example/video/DetectFaces.java renamed to video/src/main/java/beta/video/DetectFaces.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_detect_faces_beta]
 

video/src/main/java/com/example/video/DetectFacesGcs.java renamed to video/src/main/java/beta/video/DetectFacesGcs.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_detect_faces_gcs_beta]
 

video/src/main/java/com/example/video/DetectLogo.java renamed to video/src/main/java/beta/video/DetectLogo.java

@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_detect_logo_beta]
+
 import com.google.cloud.videointelligence.v1p3beta1.AnnotateVideoRequest;
 import com.google.cloud.videointelligence.v1p3beta1.AnnotateVideoResponse;
 import com.google.cloud.videointelligence.v1p3beta1.DetectedAttribute;

video/src/main/java/com/example/video/DetectLogoGcs.java renamed to video/src/main/java/beta/video/DetectLogoGcs.java

@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_detect_logo_gcs_beta]
+
 import com.google.cloud.videointelligence.v1p3beta1.AnnotateVideoRequest;
 import com.google.cloud.videointelligence.v1p3beta1.AnnotateVideoResponse;
 import com.google.cloud.videointelligence.v1p3beta1.DetectedAttribute;

video/src/main/java/com/example/video/DetectPerson.java renamed to video/src/main/java/beta/video/DetectPerson.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_detect_person_beta]
 

video/src/main/java/com/example/video/DetectPersonGcs.java renamed to video/src/main/java/beta/video/DetectPersonGcs.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_detect_person_gcs_beta]
 

video/src/main/java/com/example/video/StreamingAnnotationToStorage.java renamed to video/src/main/java/beta/video/StreamingAnnotationToStorage.java

@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_streaming_annotation_to_storage_beta]
+
 import com.google.api.gax.rpc.BidiStream;
 import com.google.cloud.videointelligence.v1p3beta1.StreamingAnnotateVideoRequest;
 import com.google.cloud.videointelligence.v1p3beta1.StreamingAnnotateVideoResponse;

video/src/main/java/com/example/video/StreamingAutoMlClassification.java renamed to video/src/main/java/beta/video/StreamingAutoMlClassification.java

@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_streaming_automl_classification_beta]
+
 import com.google.api.gax.rpc.BidiStream;
 import com.google.cloud.videointelligence.v1p3beta1.LabelAnnotation;
 import com.google.cloud.videointelligence.v1p3beta1.LabelFrame;

video/src/main/java/com/example/video/StreamingExplicitContentDetection.java renamed to video/src/main/java/beta/video/StreamingExplicitContentDetection.java

@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_streaming_explicit_content_detection_beta]
+
 import com.google.api.gax.rpc.BidiStream;
 import com.google.cloud.videointelligence.v1p3beta1.ExplicitContentFrame;
 import com.google.cloud.videointelligence.v1p3beta1.StreamingAnnotateVideoRequest;

video/src/main/java/com/example/video/StreamingLabelDetection.java renamed to video/src/main/java/beta/video/StreamingLabelDetection.java

@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_streaming_label_detection_beta]
+
 import com.google.api.gax.rpc.BidiStream;
 import com.google.cloud.videointelligence.v1p3beta1.LabelAnnotation;
 import com.google.cloud.videointelligence.v1p3beta1.LabelFrame;

video/src/main/java/com/example/video/StreamingObjectTracking.java renamed to video/src/main/java/beta/video/StreamingObjectTracking.java

@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_streaming_object_tracking_beta]
+
 import com.google.api.gax.rpc.BidiStream;
 import com.google.cloud.videointelligence.v1p3beta1.ObjectTrackingAnnotation;
 import com.google.cloud.videointelligence.v1p3beta1.ObjectTrackingFrame;

video/src/main/java/com/example/video/StreamingShotChangeDetection.java renamed to video/src/main/java/beta/video/StreamingShotChangeDetection.java

@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-package com.example.video;
+package beta.video;
 
 // [START video_streaming_shot_change_detection_beta]
+
 import com.google.api.gax.rpc.BidiStream;
 import com.google.cloud.videointelligence.v1p3beta1.StreamingAnnotateVideoRequest;
 import com.google.cloud.videointelligence.v1p3beta1.StreamingAnnotateVideoResponse;