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main.go
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main.go
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// Copyright 2019 Google LLC
//
// 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
//
// https://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.
// [START video_quickstart]
// Sample video_quickstart uses the Google Cloud Video Intelligence API to label a video.
package main
import (
"context"
"fmt"
"log"
"github.com/golang/protobuf/ptypes"
video "cloud.google.com/go/videointelligence/apiv1"
videopb "cloud.google.com/go/videointelligence/apiv1/videointelligencepb"
)
func main() {
ctx := context.Background()
// Creates a client.
client, err := video.NewClient(ctx)
if err != nil {
log.Fatalf("Failed to create client: %v", err)
}
defer client.Close()
op, err := client.AnnotateVideo(ctx, &videopb.AnnotateVideoRequest{
InputUri: "gs://cloud-samples-data/video/cat.mp4",
Features: []videopb.Feature{
videopb.Feature_LABEL_DETECTION,
},
})
if err != nil {
log.Fatalf("Failed to start annotation job: %v", err)
}
resp, err := op.Wait(ctx)
if err != nil {
log.Fatalf("Failed to annotate: %v", err)
}
// Only one video was processed, so get the first result.
result := resp.GetAnnotationResults()[0]
for _, annotation := range result.SegmentLabelAnnotations {
fmt.Printf("Description: %s\n", annotation.Entity.Description)
for _, category := range annotation.CategoryEntities {
fmt.Printf("\tCategory: %s\n", category.Description)
}
for _, segment := range annotation.Segments {
start, _ := ptypes.Duration(segment.Segment.StartTimeOffset)
end, _ := ptypes.Duration(segment.Segment.EndTimeOffset)
fmt.Printf("\tSegment: %s to %s\n", start, end)
fmt.Printf("\tConfidence: %v\n", segment.Confidence)
}
}
}
// [END video_quickstart]