更新 VOD 配置

更新视频拼接器 VOD 配置资源。

深入探索

如需查看包含此代码示例的详细文档，请参阅以下内容：

• 创建和管理 VOD 配置

代码示例

C#

在尝试此示例之前，请按照C# Video Stitcher API 快速入门：使用 客户端库。 有关详情，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 UpdateVodConfigSample
{
    public async Task<VodConfig> UpdateVodConfigAsync(
        string projectId, string location, string vodConfigId, string sourceUri)
    {
        // Create the client.
        VideoStitcherServiceClient client = VideoStitcherServiceClient.Create();

        UpdateVodConfigRequest request = new UpdateVodConfigRequest
        {
            VodConfig = new VodConfig
            {
                VodConfigName = VodConfigName.FromProjectLocationVodConfig(projectId, location, vodConfigId),
                SourceUri = sourceUri,
            },
            UpdateMask = new FieldMask { Paths = { "sourceUri" } }
        };

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

        // Poll until the returned long-running operation is complete.
        Operation<VodConfig, 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"
)

// updateVodConfig updates an existing VOD config. This sample updates the sourceURI for an
// existing VOD config.
func updateVodConfig(w io.Writer, projectID, vodConfigID, sourceURI string) error {
	// projectID := "my-project-id"
	// vodConfigID := "my-vod-config-id"
	// sourceURI := "https://storage.googleapis.com/my-bucket/main.mpd"
	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.UpdateVodConfigRequest{
		VodConfig: &stitcherstreampb.VodConfig{
			Name:      fmt.Sprintf("projects/%s/locations/%s/vodConfigs/%s", projectID, location, vodConfigID),
			SourceUri: sourceURI,
		},
		UpdateMask: &fieldmaskpb.FieldMask{
			Paths: []string{
				"sourceUri",
			},
		},
	}
	// Updates the VOD config.
	op, err := client.UpdateVodConfig(ctx, req)
	if err != nil {
		return fmt.Errorf("client.UpdateVodConfig: %w", err)
	}
	response, err := op.Wait(ctx)
	if err != nil {
		return err
	}

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

Java

在尝试此示例之前，请按照Java Video Stitcher API 快速入门：使用 客户端库。 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.UpdateVodConfigRequest;
import com.google.cloud.video.stitcher.v1.VideoStitcherServiceClient;
import com.google.cloud.video.stitcher.v1.VodConfig;
import com.google.cloud.video.stitcher.v1.VodConfigName;
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 UpdateVodConfig {

  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 vodConfigId = "my-vod-config-id";
    // Updated URI of the VOD stream to stitch; this URI must reference either an MPEG-DASH
    // manifest (.mpd) file or an M3U playlist manifest (.m3u8) file.
    String sourceUri = "https://storage.googleapis.com/my-bucket/main.mpd";

    updateVodConfig(projectId, location, vodConfigId, sourceUri);
  }

  // Updates the source URI in a video on demand (VOD) config.
  public static VodConfig updateVodConfig(
      String projectId, String location, String vodConfigId, String sourceUri)
      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.
    try (VideoStitcherServiceClient videoStitcherServiceClient =
        VideoStitcherServiceClient.create()) {
      UpdateVodConfigRequest updateVodConfigRequest =
          UpdateVodConfigRequest.newBuilder()
              .setVodConfig(
                  VodConfig.newBuilder()
                      .setName(VodConfigName.of(projectId, location, vodConfigId).toString())
                      .setSourceUri(sourceUri)
                      .build())
              // Set the update mask to the sourceUri field in the existing VOD config. You must set
              // the mask to the field you want to update.
              .setUpdateMask(FieldMask.newBuilder().addPaths("sourceUri").build())
              .build();

      VodConfig response =
          videoStitcherServiceClient
              .updateVodConfigAsync(updateVodConfigRequest)
              .get(TIMEOUT_IN_MINUTES, TimeUnit.MINUTES);
      System.out.println("Updated VOD config: " + response.getName());
      return response;
    }
  }
}

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';
// vodConfigId = 'my-vod-config-id';
// sourceUri = 'https://storage.googleapis.com/my-bucket/main.mpd';

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

async function updateVodConfig() {
  // Construct request
  const request = {
    vodConfig: {
      name: stitcherClient.vodConfigPath(projectId, location, vodConfigId),
      sourceUri: sourceUri,
    },
    updateMask: {
      paths: ['sourceUri'],
    },
  };

  const [operation] = await stitcherClient.updateVodConfig(request);
  const [response] = await operation.promise();
  console.log(`Updated VOD config: ${response.name}`);
  console.log(`Updated sourceUri: ${response.sourceUri}`);
}

updateVodConfig().catch(err => {
  console.error(err.message);
  process.exitCode = 1;
});

PHP

在尝试此示例之前，请按照PHP Video Stitcher API 快速入门：使用 客户端库。 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\UpdateVodConfigRequest;
use Google\Cloud\Video\Stitcher\V1\VodConfig;
use Google\Protobuf\FieldMask;

/**
 * Updates the VOD config's sourceUri field.
 *
 * @param string $callingProjectId     The project ID to run the API call under
 * @param string $location             The location of the VOD config
 * @param string $vodConfigId          The name of the VOD config to update
 * @param string $sourceUri            Updated uri of the media to stitch; this URI must
 *                                     reference either an MPEG-DASH manifest
 *                                     (.mpd) file or an M3U playlist manifest
 *                                     (.m3u8) file.
 */
function update_vod_config(
    string $callingProjectId,
    string $location,
    string $vodConfigId,
    string $sourceUri
): void {
    // Instantiate a client.
    $stitcherClient = new VideoStitcherServiceClient();

    $formattedName = $stitcherClient->vodConfigName($callingProjectId, $location, $vodConfigId);
    $vodConfig = new VodConfig();
    $vodConfig->setName($formattedName);
    $vodConfig->setSourceUri($sourceUri);
    $updateMask = new FieldMask([
        'paths' => ['sourceUri']
    ]);

    // Run VOD config update request
    $request = (new UpdateVodConfigRequest())
        ->setVodConfig($vodConfig)
        ->setUpdateMask($updateMask);
    $operationResponse = $stitcherClient->updateVodConfig($request);
    $operationResponse->pollUntilComplete();
    if ($operationResponse->operationSucceeded()) {
        $result = $operationResponse->getResult();
        // Print results
        printf('Updated VOD config: %s' . PHP_EOL, $result->getName());
    } else {
        $error = $operationResponse->getError();
        // handleError($error)
    }
}

Python

在尝试此示例之前，请按照Python Video Stitcher API 快速入门：使用 客户端库。 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_vod_config(
    project_id: str, location: str, vod_config_id: str, vod_uri: str
) -> stitcher_v1.types.VodConfig:
    """Updates a VOD config.
    Args:
        project_id: The GCP project ID.
        location: The location of the VOD config.
        vod_config_id: The existing VOD config's ID.
        vod_uri: Updated URI of the VOD to stitch; this URI must reference
                    either an MPEG-DASH manifest (.mpd) file or an M3U playlist
                    manifest (.m3u8) file.

    Returns:
        The VOD config resource.
    """

    client = VideoStitcherServiceClient()

    name = f"projects/{project_id}/locations/{location}/vodConfigs/{vod_config_id}"
    vod_config = stitcher_v1.types.VodConfig(
        name=name,
        source_uri=vod_uri,
    )
    update_mask = field_mask.FieldMask(paths=["sourceUri"])

    operation = client.update_vod_config(vod_config=vod_config, update_mask=update_mask)
    response = operation.result()
    print(f"Updated VOD config: {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。 有关详情，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 VOD config
#
# @param project_id [String] Your Google Cloud project (e.g. `my-project`)
# @param location [String] The location (e.g. `us-central1`)
# @param vod_config_id [String] Your VOD config name (e.g. `my-vod-config`)
# @param source_uri [String] Updated URI of the VOD stream to stitch
#   (e.g. `https://storage.googleapis.com/my-bucket/main.mpd`)
#
def update_vod_config project_id:, location:, vod_config_id:, source_uri:
  # Create a Video Stitcher client.
  client = Google::Cloud::Video::Stitcher.video_stitcher_service

  # Build the resource name of the VOD config.
  name = client.vod_config_path project: project_id, location: location,
                                vod_config: vod_config_id

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

  # Set the VOD config fields.
  update_vod_config = {
    name: name,
    source_uri: source_uri
  }

  operation = client.update_vod_config vod_config: update_vod_config, 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 VOD config name and updated source URI.
  puts "Updated VOD config: #{operation.response.name}"
  puts "Updated source URI: #{operation.response.source_uri}"
end

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。