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chore(video_intelligence): Move samples from the ruby-docs-samples repo
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‎google-cloud-video_intelligence/samples/Gemfile‎

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# Copyright 2020 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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source "https://rubygems.org"
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master = ENV["GOOGLE_CLOUD_SAMPLES_TEST"] == "master"
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gem "google-cloud-video_intelligence", path: master ? "../../google-cloud-video_intelligence" : nil
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gem "google-cloud-video_intelligence-v1", path: master ? "../../google-cloud-video_intelligence-v1" : nil
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gem "google-cloud-video_intelligence-v1p1beta1", path: master ? "../../google-cloud-video_intelligence-v1p1beta1" : nil
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gem "google-cloud-video_intelligence-v1p2beta1", path: master ? "../../google-cloud-video_intelligence-v1p2beta1" : nil
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group :test do
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gem "google-cloud-storage"
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gem "minitest", "~> 5.14"
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gem "minitest-focus", "~> 1.1"
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gem "minitest-hooks", "~>1.5"
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gem "rake", ">= 12.0"
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gem "pry"
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end

‎google-cloud-video_intelligence/samples/README.md‎

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<img src="https://avatars2.githubusercontent.com/u/2810941?v=3&s=96" alt="Google Cloud Platform logo" title="Google Cloud Platform" align="right" height="96" width="96"/>
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# Google Cloud Video Intelligence Ruby Samples
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The [Google Cloud Video Intelligence API](https://cloud.google.com/video-intelligence/)
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enables easy integration of Google speech recognition technologies into
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developer applications.
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## Setup
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### Authentication
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Authentication is typically done through [Application Default Credentials](https://cloud.google.com/docs/authentication#getting_credentials_for_server-centric_flow)
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, which means you do not have to change the code to authenticate as long as your
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environment has credentials. You have a few options for setting up
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authentication:
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1. When running locally, use the [Google Cloud SDK](https://cloud.google.com/sdk/)
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`gcloud auth application-default login`
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1. When running on App Engine or Compute Engine, credentials are already set-up.
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However, you may need to configure your Compute Engine instance with
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[additional scopes](https://cloud.google.com/compute/docs/authentication#using).
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1. You can create a [Service Account key file](https://cloud.google.com/docs/authentication#service_accounts)
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. This file can be used to authenticate to Google Cloud Platform services from
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any environment. To use the file, set the `GOOGLE_APPLICATION_CREDENTIALS`
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environment variable to the path to the key file, for example:
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`export GOOGLE_APPLICATION_CREDENTIALS=/path/to/service_account.json`
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### Install Dependencies
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1. Install the [Bundler](http://bundler.io/) gem.
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1. Install dependencies using:
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`bundle install`
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## Run Quickstart
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bundle exec ruby quickstart.rb
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## Run Samples
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Usage: bundle exec ruby video_samples.rb [command] [arguments]
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Commands:
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analyze_labels <gcs_path> Detects labels given a GCS path.
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analyze_labels_local <local_path> Detects labels given file path.
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analyze_shots <gcs_path> Detects camera shot changes given a GCS path.
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analyze_explicit_content <gcs_path> Detects explicit content given a GCS path.
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speech_transcription <gcs_path> Transcribes speech given a GCS path.
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detect_text_gcs <gcs_path> Detects text given a GCS path.
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detect_text_local <local_path> Detects text given file path.
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track_objects_gcs <gcs_path> Track objects given a GCS path.
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track_objects_local <local_path> Track objects given file path.

‎google-cloud-video_intelligence/samples/Rakefile‎

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# Copyright 2020 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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require "rake/testtask"
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Rake::TestTask.new "test" do |t|
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t.test_files = FileList["**/*_test.rb"]
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t.warning = false
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end

‎google-cloud-video_intelligence/samples/acceptance/quickstart_test.rb‎

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# Copyright 2020 Google, Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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require "minitest/autorun"
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describe "Video Intelligence API Quickstart" do
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it "can find labels for a cat video" do
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assert_output(/Label description: animal/) do
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load File.expand_path("../quickstart.rb", __dir__)
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end
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end
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end

‎google-cloud-video_intelligence/samples/acceptance/video_samples_test.rb‎

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# Copyright 2020 Google, Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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require_relative "../video_samples"
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require "minitest/autorun"
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require "minitest/focus"
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require "minitest/hooks/default"
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require "net/http"
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require "tempfile"
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require "uri"
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describe "Google Cloud Video API sample" do
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before :all do
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@labels_file = "cloud-samples-data/video/cat.mp4"
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@shots_file = "cloud-samples-data/video/gbikes_dinosaur.mp4"
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@safe_search_file = "cloud-samples-data/video/pizza.mp4"
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@transcription_file = "cloud-samples-data/video/googlework_short.mp4"
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end
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it "can analyze labels from a gcs file" do
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assert_output(/Label description: animal/) do
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analyze_labels_gcs path: "gs://#{@labels_file}"
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end
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end
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it "can analyze labels from a local file" do
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begin
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local_tempfile = Tempfile.new "temp_video"
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File.open local_tempfile.path, "w" do |file|
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file_contents = Net::HTTP.get URI("http://storage.googleapis.com/#{@transcription_file}")
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file.write file_contents
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file.flush
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end
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assert_output(/Finished Processing./) do
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analyze_labels_local path: local_tempfile.path
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end
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ensure
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local_tempfile.close
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local_tempfile.unlink
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end
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end
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it "can analyze explicit content from a gcs file" do
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assert_output(/pornography: VERY_UNLIKELY/) do
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analyze_explicit_content path: "gs://#{@safe_search_file}"
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end
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end
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it "can analyze shots from a gcs file" do
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assert_output(/0.0 to 5/) do
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analyze_shots path: "gs://#{@shots_file}"
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end
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end
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it "can transcribe speech from a gcs file" do
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assert_output(/cultural/) do
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transcribe_speech_gcs path: "gs://#{@transcription_file}"
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end
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end
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it "can detect texts from a gcs file" do
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assert_output(/GOOGLE/) do
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detect_text_gcs path: "gs://#{@transcription_file}"
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end
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end
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it "can detect texts from a local file" do
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begin
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local_tempfile = Tempfile.new "temp_video"
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File.open local_tempfile.path, "w" do |file|
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file_contents = Net::HTTP.get URI("http://storage.googleapis.com/#{@transcription_file}")
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file.write file_contents
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file.flush
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end
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assert_output(/GOOGLE/) do
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detect_text_local path: local_tempfile.path
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end
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ensure
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local_tempfile.close
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local_tempfile.unlink
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end
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end
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it "can track objects from a gcs file" do
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assert_output(/cat/) do
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track_objects_gcs path: "gs://#{@labels_file}"
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end
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end
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it "can track objects from a local file" do
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begin
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local_tempfile = Tempfile.new "temp_video"
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File.open local_tempfile.path, "w" do |file|
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file_contents = Net::HTTP.get URI("http://storage.googleapis.com/#{@transcription_file}")
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file.write file_contents
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file.flush
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end
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assert_output(/Finished Processing./) do
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track_objects_local path: local_tempfile.path
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end
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ensure
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local_tempfile.close
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local_tempfile.unlink
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end
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end
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end

‎google-cloud-video_intelligence/samples/quickstart.rb‎

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# Copyright 2017 Google, Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# [START video_quickstart]
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require "google/cloud/video_intelligence"
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video_client = Google::Cloud::VideoIntelligence.video_intelligence_service
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features = [:LABEL_DETECTION]
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path = "gs://cloud-samples-data/video/cat.mp4"
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# Register a callback during the method call
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operation = video_client.annotate_video features: features, input_uri: path
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puts "Processing video for label annotations:"
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operation.wait_until_done!
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raise operation.results.message? if operation.error?
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puts "Finished Processing."
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labels = operation.results.annotation_results.first.segment_label_annotations
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labels.each do |label|
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puts "Label description: #{label.entity.description}"
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label.category_entities.each do |category_entity|
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puts "Label category description: #{category_entity.description}"
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end
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label.segments.each do |segment|
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start_time = (segment.segment.start_time_offset.seconds +
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segment.segment.start_time_offset.nanos / 1e9)
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end_time = (segment.segment.end_time_offset.seconds +
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segment.segment.end_time_offset.nanos / 1e9)
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puts "Segment: #{start_time} to #{end_time}"
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puts "Confidence: #{segment.confidence}"
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end
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end
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# [END video_quickstart]

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