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代码示例

C#

在试用此示例之前，请按照 Video Stitcher API 快速入门：使用客户端库中的 C# 设置说明进行操作。 如需了解详情，请参阅 Video Stitcher API C# API 参考文档。

如需向 Video Stitcher API 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

using Google.Cloud.Video.Stitcher.V1;
using Google.LongRunning;
using Google.Protobuf.WellKnownTypes;
using System.Threading.Tasks;

public class UpdateSlateSample
{
    public async Task<Slate> UpdateSlateAsync(
        string projectId, string location, string slateId, string slateUri)
    {
        // Create the client.
        VideoStitcherServiceClient client = VideoStitcherServiceClient.Create();

        UpdateSlateRequest request = new UpdateSlateRequest
        {
            Slate = new Slate
            {
                SlateName = SlateName.FromProjectLocationSlate(projectId, location, slateId),
                Uri = slateUri
            },
            UpdateMask = new FieldMask { Paths = { "uri" } }
        };

        // Make the request.
        Operation<Slate, OperationMetadata> response = await client.UpdateSlateAsync(request);

        // Poll until the returned long-running operation is complete.
        Operation<Slate, OperationMetadata> completedResponse = await response.PollUntilCompletedAsync();

        // Retrieve the operation result.
        return completedResponse.Result;
    }
}

Go

在试用此示例之前，请按照 Video Stitcher API 快速入门：使用客户端库中的 Go 设置说明进行操作。 如需了解详情，请参阅 Video Stitcher API Go API 参考文档。

如需向 Video Stitcher API 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

import (
	"context"
	"fmt"
	"io"

	stitcher "cloud.google.com/go/video/stitcher/apiv1"
	stitcherstreampb "cloud.google.com/go/video/stitcher/apiv1/stitcherpb"
	"google.golang.org/protobuf/types/known/fieldmaskpb"
)

// updateSlate updates an existing slate. This sample updates the uri for an
// existing slate.
func updateSlate(w io.Writer, projectID, slateID, slateURI string) error {
	// projectID := "my-project-id"
	// slateID := "my-slate-id"
	// slateURI := "https://my-updated-slate-uri/test.mp4"
	location := "us-central1"
	ctx := context.Background()
	client, err := stitcher.NewVideoStitcherClient(ctx)
	if err != nil {
		return fmt.Errorf("stitcher.NewVideoStitcherClient: %w", err)
	}
	defer client.Close()

	req := &stitcherstreampb.UpdateSlateRequest{
		Slate: &stitcherstreampb.Slate{
			Name: fmt.Sprintf("projects/%s/locations/%s/slates/%s", projectID, location, slateID),
			Uri:  slateURI,
		},
		UpdateMask: &fieldmaskpb.FieldMask{
			Paths: []string{
				"uri",
			},
		},
	}
	// Updates the slate.
	op, err := client.UpdateSlate(ctx, req)
	if err != nil {
		return fmt.Errorf("client.UpdateSlate: %w", err)
	}
	response, err := op.Wait(ctx)
	if err != nil {
		return err
	}

	fmt.Fprintf(w, "Updated slate: %+v", response)
	return nil
}

Java

在试用此示例之前，请按照 Video Stitcher API 快速入门：使用客户端库中的 Java 设置说明进行操作。 如需了解详情，请参阅 Video Stitcher API Java API 参考文档。

如需向 Video Stitcher API 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

import com.google.cloud.video.stitcher.v1.Slate;
import com.google.cloud.video.stitcher.v1.SlateName;
import com.google.cloud.video.stitcher.v1.UpdateSlateRequest;
import com.google.cloud.video.stitcher.v1.VideoStitcherServiceClient;
import com.google.protobuf.FieldMask;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class UpdateSlate {

  private static final int TIMEOUT_IN_MINUTES = 2;

  public static void main(String[] args) throws Exception {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "my-project-id";
    String location = "us-central1";
    String slateId = "my-slate-id";
    String slateUri =
        "https://my-slate-uri/test.mp4"; // URI of an MP4 video with at least one audio track

    updateSlate(projectId, location, slateId, slateUri);
  }

  // updateSlate updates the slate URI for an existing slate.
  public static void updateSlate(String projectId, String location, String slateId, String slateUri)
      throws IOException, ExecutionException, InterruptedException, TimeoutException {
    // Initialize client that will be used to send requests. This client only needs to be created
    // once, and can be reused for multiple requests. After completing all of your requests, call
    // the "close" method on the client to safely clean up any remaining background resources.
    VideoStitcherServiceClient videoStitcherServiceClient = VideoStitcherServiceClient.create();
    UpdateSlateRequest updateSlateRequest =
        UpdateSlateRequest.newBuilder()
            .setSlate(
                Slate.newBuilder()
                    .setName(SlateName.of(projectId, location, slateId).toString())
                    .setUri(slateUri)
                    .build())
            // Set the update mask to the uri field in the existing slate. You must set the mask
            // to the field you want to update.
            .setUpdateMask(FieldMask.newBuilder().addPaths("uri").build())
            .build();

    Slate response =
        videoStitcherServiceClient
            .updateSlateAsync(updateSlateRequest)
            .get(TIMEOUT_IN_MINUTES, TimeUnit.MINUTES);
    System.out.println("Updated slate: " + response.getName());
    videoStitcherServiceClient.close();
  }
}

Node.js

在试用此示例之前，请按照 Video Stitcher API 快速入门：使用客户端库中的 Node.js 设置说明进行操作。 如需了解详情，请参阅 Video Stitcher API Node.js API 参考文档。

如需向 Video Stitcher API 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// projectId = 'my-project-id';
// location = 'us-central1';
// slateId = 'my-slate';
// slateUri = 'https://my-slate-uri/test.mp4';

// Imports the Video Stitcher library
const {VideoStitcherServiceClient} =
  require('@google-cloud/video-stitcher').v1;
// Instantiates a client
const stitcherClient = new VideoStitcherServiceClient();

async function updateSlate() {
  // Construct request
  const request = {
    slate: {
      name: stitcherClient.slatePath(projectId, location, slateId),
      uri: slateUri,
    },
    updateMask: {
      paths: ['uri'],
    },
  };

  const [operation] = await stitcherClient.updateSlate(request);
  const [response] = await operation.promise();
  console.log(`Updated slate: ${response.name}`);
  console.log(`Updated uri: ${response.uri}`);
}

updateSlate();

PHP

在试用此示例之前，请按照 Video Stitcher API 快速入门：使用客户端库中的 PHP 设置说明进行操作。 如需了解详情，请参阅 Video Stitcher API PHP API 参考文档。

如需向 Video Stitcher API 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

use Google\Cloud\Video\Stitcher\V1\Client\VideoStitcherServiceClient;
use Google\Cloud\Video\Stitcher\V1\Slate;
use Google\Cloud\Video\Stitcher\V1\UpdateSlateRequest;
use Google\Protobuf\FieldMask;

/**
 * Updates a slate's uri field.
 *
 * @param string $callingProjectId     The project ID to run the API call under
 * @param string $location             The location of the slate
 * @param string $slateId              The name of the slate to be created
 * @param string $slateUri             The public URI for an MP4 video with at least one audio track
 */
function update_slate(
    string $callingProjectId,
    string $location,
    string $slateId,
    string $slateUri
): void {
    // Instantiate a client.
    $stitcherClient = new VideoStitcherServiceClient();

    $formattedName = $stitcherClient->slateName($callingProjectId, $location, $slateId);
    $slate = new Slate();
    $slate->setName($formattedName);
    $slate->setUri($slateUri);
    $updateMask = new FieldMask([
        'paths' => ['uri']
    ]);

    // Run slate update request
    $request = (new UpdateSlateRequest())
        ->setSlate($slate)
        ->setUpdateMask($updateMask);
    $operationResponse = $stitcherClient->updateSlate($request);
    $operationResponse->pollUntilComplete();
    if ($operationResponse->operationSucceeded()) {
        $result = $operationResponse->getResult();
        // Print results
        printf('Updated slate: %s' . PHP_EOL, $result->getName());
    } else {
        $error = $operationResponse->getError();
        // handleError($error)
    }
}

Python

在试用此示例之前，请按照 Video Stitcher API 快速入门：使用客户端库中的 Python 设置说明进行操作。 如需了解详情，请参阅 Video Stitcher API Python API 参考文档。

如需向 Video Stitcher API 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

import argparse

from google.cloud.video import stitcher_v1
from google.cloud.video.stitcher_v1.services.video_stitcher_service import (
    VideoStitcherServiceClient,
)
from google.protobuf import field_mask_pb2 as field_mask

def update_slate(
    project_id: str, location: str, slate_id: str, slate_uri: str
) -> stitcher_v1.types.Slate:
    """Updates a slate.
    Args:
        project_id: The GCP project ID.
        location: The location of the slate.
        slate_id: The existing slate's ID.
        slate_uri: Updated uri of the video slate; must be an MP4 video with at least one audio track.

    Returns:
        The slate resource.
    """

    client = VideoStitcherServiceClient()

    name = f"projects/{project_id}/locations/{location}/slates/{slate_id}"
    slate = stitcher_v1.types.Slate(
        name=name,
        uri=slate_uri,
    )
    update_mask = field_mask.FieldMask(paths=["uri"])

    operation = client.update_slate(slate=slate, update_mask=update_mask)
    response = operation.result()
    print(f"Updated slate: {response.name}")
    return response

Ruby

在试用此示例之前，请按照 Video Stitcher API 快速入门：使用客户端库中的 Ruby 设置说明进行操作。 如需了解详情，请参阅 Video Stitcher API Ruby API 参考文档。

如需向 Video Stitcher API 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

require "google/cloud/video/stitcher"

##
# Update a slate
#
# @param project_id [String] Your Google Cloud project (e.g. "my-project")
# @param location [String] The location (e.g. "us-central1")
# @param slate_id [String] Your slate name (e.g. "my-slate")
# @param slate_uri [String] The URI of an MP4 video with at least one audio
#   track (e.g. "https://my-slate-uri/test.mp4")
#
def update_slate project_id:, location:, slate_id:, slate_uri:
  # Create a Video Stitcher client.
  client = Google::Cloud::Video::Stitcher.video_stitcher_service

  # Build the resource name of the slate.
  name = client.slate_path project: project_id, location: location,
                           slate: slate_id

  # Set the update mask.
  update_mask = { paths: ["uri"] }

  # Set the slate fields.
  update_slate = {
    name: name,
    uri: slate_uri
  }

  operation = client.update_slate slate: update_slate, update_mask: update_mask

  # The returned object is of type Gapic::Operation. You can use this
  # object to check the status of an operation, cancel it, or wait
  # for results. Here is how to block until completion:
  operation.wait_until_done!

  # Print the slate name.
  puts "Updated slate: #{operation.response.name}"
  puts "Updated uri: #{operation.response.uri}"
end

后续步骤

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