Updates examples for video [(#968)](#968)

Author: gguuss

videointelligence/samples/analyze/README.rst

@@ -88,11 +88,11 @@ To run this sample:
     
     Usage Examples:
     
-        python analyze.py faces gs://cloudmleap/video/next/volleyball_court.mp4
-        python analyze.py labels gs://cloudmleap/video/next/fox-snatched.mp4
-        python analyze.py labels_file resources/fox-snatched.mp4
-        python analyze.py shots gs://cloudmleap/video/next/gbikes_dinosaur.mp4
-        python analyze.py safe_search gs://cloudmleap/video/next/animals.mp4
+        python analyze.py faces gs://demomaker/google_gmail.mp4
+        python analyze.py labels gs:/cloud-ml-sandbox/video/chicago.mp4
+        python analyze.py labels_file resources/cat.mp4
+        python analyze.py shots gs://demomaker/gbikes_dinosaur.mp4
+        python analyze.py safe_search gs://demomaker/gbikes_dinosaur.mp4
     
     positional arguments:
       {faces,labels,labels_file,safe_search,shots}

videointelligence/samples/analyze/analyze.py

@@ -21,7 +21,7 @@
 
     python analyze.py faces gs://demomaker/google_gmail.mp4
     python analyze.py labels gs:/cloud-ml-sandbox/video/chicago.mp4
-    python analyze.py labels_file resources/fox-snatched.mp4
+    python analyze.py labels_file resources/cat.mp4
     python analyze.py shots gs://demomaker/gbikes_dinosaur.mp4
     python analyze.py safe_search gs://demomaker/gbikes_dinosaur.mp4
 

videointelligence/samples/analyze/resources/README.md

@@ -0,0 +1,12 @@
+# Resources folder for local files
+
+Copy from Google Cloud Storage to this folder for testing video analysis
+of local files. For `cat.mp4` used in the usage example, run the following
+`gcloud` command.
+
+    gsutil cp gs://demomaker/cat.mp4 .
+
+Now, when you run the following command, the video used for label detection
+will be passed from here:
+
+    python analyze.py labels_file resources/cat.mp4