Job mit einem statischen Overlay erstellen

Erstellen Sie einen Transcodierungsjob mit einem Overlay. Das Overlay besteht aus einem statischen JPEG-Bild, das über dem Ausgabevideo eingefügt wird.

Dokumentationsseiten mit diesem Codebeispiel

Die folgenden Dokumente enthalten das Codebeispiel im Kontext:

Codebeispiel

C#

Richten Sie für dieses Beispiel C# wie in der Transcoder API-Kurzanleitung mit Clientbibliotheken beschrieben ein. Weitere Informationen finden Sie in der C# API-Referenzdokumentation zur Transcoder API.


using Google.Api.Gax.ResourceNames;
using Google.Cloud.Video.Transcoder.V1;

public class CreateJobWithStaticOverlaySample
{
    public Job CreateJobWithStaticOverlay(
        string projectId, string location, string inputUri, string overlayImageUri, string outputUri)
    {
        // Create the client.
        TranscoderServiceClient client = TranscoderServiceClient.Create();

        // Build the parent location name.
        LocationName parent = new LocationName(projectId, location);

        // Build the job config.
        VideoStream videoStream0 = new VideoStream
        {
            H264 = new VideoStream.Types.H264CodecSettings
            {
                BitrateBps = 550000,
                FrameRate = 60,
                HeightPixels = 360,
                WidthPixels = 640
            }
        };

        AudioStream audioStream0 = new AudioStream
        {
            Codec = "aac",
            BitrateBps = 64000
        };

        // Create the overlay image. Only JPEG is supported. Image resolution is based on output
        // video resolution. To respect the original image aspect ratio, set either x or y to 0.0.
        // This example stretches the overlay image the full width and half of the height of the
        // output video.
        Overlay.Types.Image overlayImage = new Overlay.Types.Image
        {
            Uri = overlayImageUri,
            Alpha = 1,
            Resolution = new Overlay.Types.NormalizedCoordinate
            {
                X = 1,
                Y = 0.5
            }
        };

        // Create the starting animation (when the overlay appears). Use the values x: 0 and y: 0 to
        // position the top-left corner of the overlay in the top-left corner of the output video.
        Overlay.Types.Animation animationStart = new Overlay.Types.Animation
        {
            AnimationStatic = new Overlay.Types.AnimationStatic
            {
                Xy = new Overlay.Types.NormalizedCoordinate
                {
                    X = 0,
                    Y = 0
                },
                StartTimeOffset = new Google.Protobuf.WellKnownTypes.Duration
                {
                    Seconds = 0
                }
            }
        };

        // Create the ending animation (when the overlay disappears). In this example, the overlay
        // disappears at the 10-second mark in the output video.
        Overlay.Types.Animation animationEnd = new Overlay.Types.Animation
        {
            AnimationEnd = new Overlay.Types.AnimationEnd
            {
                StartTimeOffset = new Google.Protobuf.WellKnownTypes.Duration
                {
                    Seconds = 10
                }
            }
        };

        // Create the overlay and add the image and animations to it.
        Overlay overlay = new Overlay
        {
            Image = overlayImage,
            Animations = { animationStart, animationEnd }
        };

        ElementaryStream elementaryStream0 = new ElementaryStream
        {
            Key = "video_stream0",
            VideoStream = videoStream0
        };

        ElementaryStream elementaryStream1 = new ElementaryStream
        {
            Key = "audio_stream0",
            AudioStream = audioStream0
        };

        MuxStream muxStream0 = new MuxStream
        {
            Key = "sd",
            Container = "mp4",
            ElementaryStreams = { "video_stream0", "audio_stream0" }
        };

        Input input = new Input
        {
            Key = "input0",
            Uri = inputUri
        };

        Output output = new Output
        {
            Uri = outputUri
        };

        JobConfig jobConfig = new JobConfig
        {
            Inputs = { input },
            Output = output,
            ElementaryStreams = { elementaryStream0, elementaryStream1 },
            MuxStreams = { muxStream0 },
            Overlays = { overlay }
        };

        // Build the job.
        Job newJob = new Job
        {
            InputUri = inputUri,
            OutputUri = outputUri,
            Config = jobConfig
        };

        // Call the API.
        Job job = client.CreateJob(parent, newJob);

        // Return the result.
        return job;
    }
}

Go

Bevor Sie dieses Beispiel anwenden, folgen Sie den Schritten zur Einrichtung von Go in der Transcoder API-Kurzanleitung unter Verwendung von Clientbibliotheken. Weitere Informationen finden Sie in der Referenzdokumentation zur Transcoder API Go API.

import (
	"context"
	"fmt"
	"io"

	"github.com/golang/protobuf/ptypes/duration"

	transcoder "cloud.google.com/go/video/transcoder/apiv1"
	transcoderpb "google.golang.org/genproto/googleapis/cloud/video/transcoder/v1"
)

// createJobWithStaticOverlay creates a job based on a given configuration that
// includes a static overlay. See
// https://cloud.google.com/transcoder/docs/how-to/create-overlays#create-static-overlay
// for more information.
func createJobWithStaticOverlay(w io.Writer, projectID string, location string, inputURI string, overlayImageURI string, outputURI string) error {
	// projectID := "my-project-id"
	// location := "us-central1"
	// inputURI := "gs://my-bucket/my-video-file"
	// overlayImageURI := "gs://my-bucket/my-overlay-image-file" - Must be a JPEG
	// outputURI := "gs://my-bucket/my-output-folder/"
	ctx := context.Background()
	client, err := transcoder.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("NewClient: %v", err)
	}
	defer client.Close()

	req := &transcoderpb.CreateJobRequest{
		Parent: fmt.Sprintf("projects/%s/locations/%s", projectID, location),
		Job: &transcoderpb.Job{
			InputUri:  inputURI,
			OutputUri: outputURI,
			JobConfig: &transcoderpb.Job_Config{
				Config: &transcoderpb.JobConfig{
					ElementaryStreams: []*transcoderpb.ElementaryStream{
						&transcoderpb.ElementaryStream{
							Key: "video_stream0",
							ElementaryStream: &transcoderpb.ElementaryStream_VideoStream{
								VideoStream: &transcoderpb.VideoStream{
									CodecSettings: &transcoderpb.VideoStream_H264{
										H264: &transcoderpb.VideoStream_H264CodecSettings{
											BitrateBps:   550000,
											FrameRate:    60,
											HeightPixels: 360,
											WidthPixels:  640,
										},
									},
								},
							},
						},
						&transcoderpb.ElementaryStream{
							Key: "audio_stream0",
							ElementaryStream: &transcoderpb.ElementaryStream_AudioStream{
								AudioStream: &transcoderpb.AudioStream{
									Codec:      "aac",
									BitrateBps: 64000,
								},
							},
						},
					},
					MuxStreams: []*transcoderpb.MuxStream{
						&transcoderpb.MuxStream{
							Key:               "sd",
							Container:         "mp4",
							ElementaryStreams: []string{"video_stream0", "audio_stream0"},
						},
					},
					Overlays: []*transcoderpb.Overlay{
						&transcoderpb.Overlay{
							Image: &transcoderpb.Overlay_Image{
								Uri: overlayImageURI,
								Resolution: &transcoderpb.Overlay_NormalizedCoordinate{
									X: 1,
									Y: 0.5,
								},
								Alpha: 1,
							},
							Animations: []*transcoderpb.Overlay_Animation{
								&transcoderpb.Overlay_Animation{
									AnimationType: &transcoderpb.Overlay_Animation_AnimationStatic{
										AnimationStatic: &transcoderpb.Overlay_AnimationStatic{
											Xy: &transcoderpb.Overlay_NormalizedCoordinate{
												X: 0,
												Y: 0,
											},
											StartTimeOffset: &duration.Duration{
												Seconds: 0,
											},
										},
									},
								},

								&transcoderpb.Overlay_Animation{
									AnimationType: &transcoderpb.Overlay_Animation_AnimationEnd{
										AnimationEnd: &transcoderpb.Overlay_AnimationEnd{
											StartTimeOffset: &duration.Duration{
												Seconds: 10,
											},
										},
									},
								},
							},
						},
					},
				},
			},
		},
	}
	// Creates the job. Jobs take a variable amount of time to run.
	// You can query for the job state; see getJob() in get_job.go.
	response, err := client.CreateJob(ctx, req)
	if err != nil {
		return fmt.Errorf("createJobWithStaticOverlay: %v", err)
	}

	fmt.Fprintf(w, "Job: %v", response.GetName())
	return nil
}

Java

Richten Sie für dieses Beispiel Java wie in der Kurzanleitung zur Verwendung der Clientbibliotheken mit der Transcoder API beschrieben ein. Weitere Informationen finden Sie in der Referenzdokumentation zur Transcoder API Java API.


import com.google.cloud.video.transcoder.v1.AudioStream;
import com.google.cloud.video.transcoder.v1.CreateJobRequest;
import com.google.cloud.video.transcoder.v1.ElementaryStream;
import com.google.cloud.video.transcoder.v1.Input;
import com.google.cloud.video.transcoder.v1.Job;
import com.google.cloud.video.transcoder.v1.JobConfig;
import com.google.cloud.video.transcoder.v1.LocationName;
import com.google.cloud.video.transcoder.v1.MuxStream;
import com.google.cloud.video.transcoder.v1.Output;
import com.google.cloud.video.transcoder.v1.Overlay;
import com.google.cloud.video.transcoder.v1.Overlay.AnimationEnd;
import com.google.cloud.video.transcoder.v1.Overlay.AnimationStatic;
import com.google.cloud.video.transcoder.v1.Overlay.NormalizedCoordinate;
import com.google.cloud.video.transcoder.v1.TranscoderServiceClient;
import com.google.cloud.video.transcoder.v1.VideoStream;
import com.google.protobuf.Duration;
import java.io.IOException;

public class CreateJobWithStaticOverlay {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "my-project-id";
    String location = "us-central1";
    String inputUri = "gs://my-bucket/my-video-file";
    String overlayImageUri = "gs://my-bucket/my-overlay-image.jpg"; // Must be a JPEG
    String outputUri = "gs://my-bucket/my-output-folder/";

    createJobWithStaticOverlay(projectId, location, inputUri, overlayImageUri, outputUri);
  }

  // Creates a job from an ad-hoc configuration and adds a static overlay to it.
  public static void createJobWithStaticOverlay(
      String projectId, String location, String inputUri, String overlayImageUri, String outputUri)
      throws IOException {
    // Initialize client that will be used to send requests. This client only needs to be created
    // once, and can be reused for multiple requests.
    try (TranscoderServiceClient transcoderServiceClient = TranscoderServiceClient.create()) {

      VideoStream videoStream0 =
          VideoStream.newBuilder()
              .setH264(
                  VideoStream.H264CodecSettings.newBuilder()
                      .setBitrateBps(550000)
                      .setFrameRate(60)
                      .setHeightPixels(360)
                      .setWidthPixels(640))
              .build();

      AudioStream audioStream0 =
          AudioStream.newBuilder().setCodec("aac").setBitrateBps(64000).build();

      // Create the overlay image. Only JPEG is supported. Image resolution is based on output
      // video resolution. To respect the original image aspect ratio, set either x or y to 0.0.
      // This example stretches the overlay image the full width and half of the height of the
      // output video.
      Overlay.Image overlayImage =
          Overlay.Image.newBuilder()
              .setUri(overlayImageUri)
              .setResolution(NormalizedCoordinate.newBuilder().setX(1).setY(0.5).build())
              .setAlpha(1)
              .build();

      // Create the starting animation (when the overlay appears). Use the values x: 0 and y: 0 to
      // position the top-left corner of the overlay in the top-left corner of the output video.
      Overlay.Animation animationStart =
          Overlay.Animation.newBuilder()
              .setAnimationStatic(
                  AnimationStatic.newBuilder()
                      .setXy(NormalizedCoordinate.newBuilder().setX(0).setY(0).build())
                      .setStartTimeOffset(Duration.newBuilder().setSeconds(0).build())
                      .build())
              .build();

      // Create the ending animation (when the overlay disappears). In this example, the overlay
      // disappears at the 10-second mark in the output video.
      Overlay.Animation animationEnd =
          Overlay.Animation.newBuilder()
              .setAnimationEnd(
                  AnimationEnd.newBuilder()
                      .setStartTimeOffset(Duration.newBuilder().setSeconds(10).build())
                      .build())
              .build();

      // Create the overlay and add the image and animations to it.
      Overlay overlay =
          Overlay.newBuilder()
              .setImage(overlayImage)
              .addAnimations(animationStart)
              .addAnimations(animationEnd)
              .build();

      JobConfig config =
          JobConfig.newBuilder()
              .addInputs(Input.newBuilder().setKey("input0").setUri(inputUri))
              .setOutput(Output.newBuilder().setUri(outputUri))
              .addElementaryStreams(
                  ElementaryStream.newBuilder()
                      .setKey("video_stream0")
                      .setVideoStream(videoStream0))
              .addElementaryStreams(
                  ElementaryStream.newBuilder()
                      .setKey("audio_stream0")
                      .setAudioStream(audioStream0))
              .addMuxStreams(
                  MuxStream.newBuilder()
                      .setKey("sd")
                      .setContainer("mp4")
                      .addElementaryStreams("video_stream0")
                      .addElementaryStreams("audio_stream0")
                      .build())
              .addOverlays(overlay) // Add the overlay to the job config
              .build();

      var createJobRequest =
          CreateJobRequest.newBuilder()
              .setJob(
                  Job.newBuilder()
                      .setInputUri(inputUri)
                      .setOutputUri(outputUri)
                      .setConfig(config)
                      .build())
              .setParent(LocationName.of(projectId, location).toString())
              .build();

      // Send the job creation request and process the response.
      Job job = transcoderServiceClient.createJob(createJobRequest);
      System.out.println("Job: " + job.getName());
    }
  }
}

Node.js

Bevor Sie dieses Beispiel anwenden, folgen Sie den Schritten zur Einrichtung von Node.js in der Transcoder API-Kurzanleitung unter Verwendung von Clientbibliotheken. Weitere Informationen finden Sie in der Referenzdokumentation zur Transcoder API Node.js API.

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// projectId = 'my-project-id';
// location = 'us-central1';
// inputUri = 'gs://my-bucket/my-video-file';
// overlayImageUri = 'gs://my-bucket/my-overlay-image-file'; // Must be a JPEG
// outputUri = 'gs://my-bucket/my-output-folder/';

// Imports the Transcoder library
const {TranscoderServiceClient} =
  require('@google-cloud/video-transcoder').v1;

// Instantiates a client
const transcoderServiceClient = new TranscoderServiceClient();

async function createJobFromStaticOverlay() {
  // Construct request
  const request = {
    parent: transcoderServiceClient.locationPath(projectId, location),
    job: {
      inputUri: inputUri,
      outputUri: outputUri,
      config: {
        elementaryStreams: [
          {
            key: 'video-stream0',
            videoStream: {
              h264: {
                heightPixels: 360,
                widthPixels: 640,
                bitrateBps: 550000,
                frameRate: 60,
              },
            },
          },
          {
            key: 'audio-stream0',
            audioStream: {
              codec: 'aac',
              bitrateBps: 64000,
            },
          },
        ],
        muxStreams: [
          {
            key: 'sd',
            container: 'mp4',
            elementaryStreams: ['video-stream0', 'audio-stream0'],
          },
        ],
        overlays: [
          {
            image: {
              uri: overlayImageUri,
              resolution: {
                x: 1,
                y: 0.5,
              },
              alpha: 1.0,
            },
            animations: [
              {
                animationStatic: {
                  xy: {
                    x: 0,
                    y: 0,
                  },
                  startTimeOffset: {
                    seconds: 0,
                  },
                },
              },
              {
                animationEnd: {
                  startTimeOffset: {
                    seconds: 10,
                  },
                },
              },
            ],
          },
        ],
      },
    },
  };

  // Run request
  const [response] = await transcoderServiceClient.createJob(request);
  console.log(`Job: ${response.name}`);
}

createJobFromStaticOverlay();

Python

Bevor Sie dieses Beispiel anwenden, folgen Sie den Schritten zur Einrichtung von Python in der Transcoder API-Kurzanleitung mit Clientbibliotheken. Weitere Informationen finden Sie in der Referenzdokumentation zur Transcoder API Python API.


import argparse

from google.cloud.video import transcoder_v1
from google.cloud.video.transcoder_v1.services.transcoder_service import (
    TranscoderServiceClient,
)
from google.protobuf import duration_pb2 as duration

def create_job_with_static_overlay(
    project_id, location, input_uri, overlay_image_uri, output_uri
):
    """Creates a job based on an ad-hoc job configuration that includes a static image overlay.

    Args:
        project_id: The GCP project ID.
        location: The location to start the job in.
        input_uri: Uri of the video in the Cloud Storage bucket.
        overlay_image_uri: Uri of the JPEG image for the overlay in the Cloud Storage bucket. Must be a JPEG.
        output_uri: Uri of the video output folder in the Cloud Storage bucket."""

    client = TranscoderServiceClient()

    parent = f"projects/{project_id}/locations/{location}"
    job = transcoder_v1.types.Job()
    job.input_uri = input_uri
    job.output_uri = output_uri
    job.config = transcoder_v1.types.JobConfig(
        elementary_streams=[
            transcoder_v1.types.ElementaryStream(
                key="video-stream0",
                video_stream=transcoder_v1.types.VideoStream(
                    h264=transcoder_v1.types.VideoStream.H264CodecSettings(
                        height_pixels=360,
                        width_pixels=640,
                        bitrate_bps=550000,
                        frame_rate=60,
                    ),
                ),
            ),
            transcoder_v1.types.ElementaryStream(
                key="audio-stream0",
                audio_stream=transcoder_v1.types.AudioStream(
                    codec="aac", bitrate_bps=64000
                ),
            ),
        ],
        mux_streams=[
            transcoder_v1.types.MuxStream(
                key="sd",
                container="mp4",
                elementary_streams=["video-stream0", "audio-stream0"],
            ),
        ],
        overlays=[
            transcoder_v1.types.Overlay(
                image=transcoder_v1.types.Overlay.Image(
                    uri=overlay_image_uri,
                    resolution=transcoder_v1.types.Overlay.NormalizedCoordinate(
                        x=1,
                        y=0.5,
                    ),
                    alpha=1,
                ),
                animations=[
                    transcoder_v1.types.Overlay.Animation(
                        animation_static=transcoder_v1.types.Overlay.AnimationStatic(
                            xy=transcoder_v1.types.Overlay.NormalizedCoordinate(
                                x=0,
                                y=0,
                            ),
                            start_time_offset=duration.Duration(
                                seconds=0,
                            ),
                        ),
                    ),
                    transcoder_v1.types.Overlay.Animation(
                        animation_end=transcoder_v1.types.Overlay.AnimationEnd(
                            start_time_offset=duration.Duration(
                                seconds=10,
                            ),
                        ),
                    ),
                ],
            ),
        ],
    )
    response = client.create_job(parent=parent, job=job)
    print(f"Job: {response.name}")
    return response

Ruby

Bevor Sie dieses Beispiel anwenden, folgen Sie den Schritten zur Einrichtung von Ruby in der Transcoder API-Kurzanleitung unter Verwendung von Clientbibliotheken. Weitere Informationen finden Sie in der Ruby API-Referenzdokumentation zur Transcoder API.

# project_id  = "YOUR-GOOGLE-CLOUD-PROJECT"  # (e.g. "my-project")
# location    = "YOUR-JOB-LOCATION"  # (e.g. "us-central1")
# input_uri   = "YOUR-GCS-INPUT-VIDEO"  # (e.g. "gs://my-bucket/my-video-file")
# overlay_image_uri   = "YOUR-GCS-OVERLAY-IMAGE"  # (e.g. "gs://my-bucket/overlay.jpg")
# output_uri  = "YOUR-GCS-OUTPUT-FOLDER/"  # (e.g. "gs://my-bucket/my-output-folder/")

# Require the Transcoder client library.
require "google/cloud/video/transcoder"

# Create a Transcoder client.
client = Google::Cloud::Video::Transcoder.transcoder_service

# Build the resource name of the parent.
parent = client.location_path project: project_id, location: location

# Build the job config.
new_job = {
  input_uri: input_uri,
  output_uri: output_uri,
  config: {
    elementary_streams: [
      {
        key: "video-stream0",
        video_stream: {
          h264: {
            height_pixels: 360,
            width_pixels: 640,
            bitrate_bps: 550_000,
            frame_rate: 60
          }
        }
      },
      {
        key: "audio-stream0",
        audio_stream: {
          codec: "aac",
          bitrate_bps: 64_000
        }
      }
    ],
    mux_streams: [
      {
        key: "sd",
        container: "mp4",
        elementary_streams: [
          "video-stream0",
          "audio-stream0"
        ]
      }
    ],
    overlays: [
      {
        image: {
          uri: overlay_image_uri,
          resolution: {
            x: 1,
            y: 0.5
          },
          alpha: 1
        },
        animations: [
          {
            animation_static: {
              xy: {
                x: 0,
                y: 0
              },
              start_time_offset: {
                seconds: 0
              }
            }
          },
          {
            animation_end: {
              start_time_offset: {
                seconds: 10
              }
            }
          }
        ]
      }
    ]
  }
}

job = client.create_job parent: parent, job: new_job

# Print the job name.
puts "Job: #{job.name}"

Nächste Schritte

Informationen zum Suchen und Filtern von Codebeispielen für andere Google Cloud-Produkte finden Sie im Google Cloud-Beispielbrowser.