Per attivare l'API Video Stitcher per il tuo progetto, contatta il tuo rappresentante dell'account o il team Vendite per saperne di più.

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Creare una configurazione live

Crea una configurazione live da applicare alle sessioni live.

Per saperne di più

Per la documentazione dettagliata che include questo esempio di codice, vedi quanto segue:

Esempio di codice

C#

Prima di provare questo esempio, segui le istruzioni di configurazione di C# nella guida rapida dell'API Video Stitcher per l'utilizzo delle librerie client. Per saperne di più, consulta la documentazione di riferimento dell'API Video Stitcher C# API.

Per eseguire l'autenticazione nell'API Video Stitcher, configura le credenziali predefinite dell'applicazione. Per saperne di più, consulta Configura l'autenticazione per un ambiente di sviluppo locale.


using Google.Api.Gax.ResourceNames;
using Google.Cloud.Video.Stitcher.V1;
using Google.LongRunning;
using System.Threading.Tasks;

public class CreateLiveConfigSample
{
    public async Task<LiveConfig> CreateLiveConfigAsync(
        string projectId, string location, string liveConfigId, string sourceUri, string adTagUri, string slateId)
    {
        // Create the client.
        VideoStitcherServiceClient client = VideoStitcherServiceClient.Create();

        CreateLiveConfigRequest request = new CreateLiveConfigRequest
        {
            ParentAsLocationName = LocationName.FromProjectLocation(projectId, location),
            LiveConfigId = liveConfigId,
            LiveConfig = new LiveConfig
            {
                SourceUri = sourceUri,
                AdTagUri = adTagUri,
                DefaultSlate = SlateName.FormatProjectLocationSlate(projectId, location, slateId),
                AdTracking = AdTracking.Server,
                StitchingPolicy = LiveConfig.Types.StitchingPolicy.CutCurrent
            }
        };

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

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

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

Go

Prima di provare questo esempio, segui le ist0/}ruzioni di configurazione della guida rapida di API Video Stitcher per l'utilizzo delle librerie client.Go Per saperne di più, consulta la documentazione di riferimento dell'API Video Stitcher API Go API.

import (
	"context"
	"fmt"
	"io"

	stitcher "cloud.google.com/go/video/stitcher/apiv1"
	stitcherstreampb "cloud.google.com/go/video/stitcher/apiv1/stitcherpb"
)

// createLiveConfig creates a live config. Live configs are used to configure live sessions.
func createLiveConfig(w io.Writer, projectID, liveConfigID, sourceURI, slateID string) error {
	// projectID := "my-project-id"
	// liveConfigID := "my-live-config-id"

	// Uri of the media to stitch; this URI must reference either an MPEG-DASH
	// manifest (.mpd) file or an M3U playlist manifest (.m3u8) file.
	// sourceURI := "https://storage.googleapis.com/my-bucket/main.mpd"

	// See https://cloud.google.com/video-stitcher/docs/concepts for information
	// on ad tags and ad metadata. This sample uses an ad tag URL that displays
	// a Single Inline Linear ad
	// (https://developers.google.com/interactive-media-ads/docs/sdks/html5/client-side/tags).
	adTagURI := "https://pubads.g.doubleclick.net/gampad/ads?iu=/21775744923/external/single_ad_samples&sz=640x480&cust_params=sample_ct%3Dlinear&ciu_szs=300x250%2C728x90&gdfp_req=1&output=vast&unviewed_position_start=1&env=vp&impl=s&correlator="
	// slateID := "my-slate-id"
	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.CreateLiveConfigRequest{
		Parent:       fmt.Sprintf("projects/%s/locations/%s", projectID, location),
		LiveConfigId: liveConfigID,
		LiveConfig: &stitcherstreampb.LiveConfig{
			SourceUri:       sourceURI,
			AdTagUri:        adTagURI,
			AdTracking:      stitcherstreampb.AdTracking_SERVER,
			StitchingPolicy: stitcherstreampb.LiveConfig_CUT_CURRENT,
			DefaultSlate:    fmt.Sprintf("projects/%s/locations/%s/slates/%s", projectID, location, slateID),
		},
	}
	// Creates the live config.
	op, err := client.CreateLiveConfig(ctx, req)
	if err != nil {
		return fmt.Errorf("client.createLiveConfig: %w", err)
	}
	response, err := op.Wait(ctx)
	if err != nil {
		return err
	}

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

Java

Prima di provare questo esempio, segui le istruzioni di configurazione Java nella guida rapida dell'API Video Stitcher per l'utilizzo delle librerie client. Per saperne di più, consulta la documentazione di riferimento dell'API Video Stitcher Java API.


import com.google.cloud.video.stitcher.v1.AdTracking;
import com.google.cloud.video.stitcher.v1.CreateLiveConfigRequest;
import com.google.cloud.video.stitcher.v1.LiveConfig;
import com.google.cloud.video.stitcher.v1.LiveConfig.StitchingPolicy;
import com.google.cloud.video.stitcher.v1.LocationName;
import com.google.cloud.video.stitcher.v1.SlateName;
import com.google.cloud.video.stitcher.v1.VideoStitcherServiceClient;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class CreateLiveConfig {

  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 liveConfigId = "my-live-config-id";
    // Uri of the live 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";
    // See Single Inline Linear
    // (https://developers.google.com/interactive-media-ads/docs/sdks/html5/client-side/tags)
    String adTagUri = "https://pubads.g.doubleclick.net/gampad/ads...";
    String slateId = "my-slate-id";

    createLiveConfig(projectId, location, liveConfigId, sourceUri, adTagUri, slateId);
  }

  // Creates a live config. Live configs are used to configure live sessions.
  // For more information, see
  // https://cloud.google.com/video-stitcher/docs/how-to/managing-live-configs.
  public static LiveConfig createLiveConfig(
      String projectId,
      String location,
      String liveConfigId,
      String sourceUri,
      String adTagUri,
      String slateId)
      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()) {
      CreateLiveConfigRequest createLiveConfigRequest =
          CreateLiveConfigRequest.newBuilder()
              .setParent(LocationName.of(projectId, location).toString())
              .setLiveConfigId(liveConfigId)
              .setLiveConfig(
                  LiveConfig.newBuilder()
                      .setSourceUri(sourceUri)
                      .setAdTagUri(adTagUri)
                      .setDefaultSlate(SlateName.format(projectId, location, slateId))
                      .setAdTracking(AdTracking.SERVER)
                      .setStitchingPolicy(StitchingPolicy.CUT_CURRENT)
                      .build())
              .build();

      LiveConfig response =
          videoStitcherServiceClient
              .createLiveConfigAsync(createLiveConfigRequest)
              .get(TIMEOUT_IN_MINUTES, TimeUnit.MINUTES);
      System.out.println("Created new live config: " + response.getName());
      return response;
    }
  }
}

Node.js

Prima di provare questo esempio, segui le istruzioni di configurazione Node.js nella guida rapida dell'API Video Stitcher per l'utilizzo delle librerie client. Per saperne di più, consulta la documentazione di riferimento dell'API API Video Stitcher Node.js.

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// projectId = 'my-project-id';
// location = 'us-central1';
// liveConfigId = 'my-live-config-id';
// sourceUri = 'https://storage.googleapis.com/my-bucket/main.mpd';
// See Single Inline Linear
// (https://developers.google.com/interactive-media-ads/docs/sdks/html5/client-side/tags)
// adTagUri = 'https://pubads.g.doubleclick.net/gampad/ads...';
// slateId = 'my-slate';

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

async function createLiveConfig() {
  // Construct request
  const request = {
    parent: stitcherClient.locationPath(projectId, location),
    liveConfig: {
      sourceUri: sourceUri,
      adTagUri: adTagUri,
      adTracking: 'SERVER',
      stitchingPolicy: 'CUT_CURRENT',
      defaultSlate: stitcherClient.slatePath(projectId, location, slateId),
    },
    liveConfigId: liveConfigId,
  };
  const [operation] = await stitcherClient.createLiveConfig(request);
  const [response] = await operation.promise();
  console.log(`response.name: ${response.name}`);
}

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

PHP

Prima di provare questo esempio, segui le istruzioni di configurazione di PHP nella guida rapida dell'API Video Stitcher per l'utilizzo delle librerie client. Per saperne di più, consulta la documentazione di riferimento dell'API Video StitcherPHP API.

use Google\Cloud\Video\Stitcher\V1\AdTracking;
use Google\Cloud\Video\Stitcher\V1\Client\VideoStitcherServiceClient;
use Google\Cloud\Video\Stitcher\V1\CreateLiveConfigRequest;
use Google\Cloud\Video\Stitcher\V1\LiveConfig;

/**
 * Creates a live config. Live configs are used to configure live sessions.
 *
 * @param string $callingProjectId     The project ID to run the API call under
 * @param string $location             The location of the live config
 * @param string $liveConfigId         The name of the live config to be created
 * @param string $sourceUri            Uri of the media to stitch; this URI must
 *                                     reference either an MPEG-DASH manifest
 *                                     (.mpd) file or an M3U playlist manifest
 *                                     (.m3u8) file.
 * @param string $adTagUri             The Uri of the ad tag
 * @param string $slateId              The user-defined slate ID of the default
 *                                     slate to use when no slates are specified
 *                                     in an ad break's message
 */
function create_live_config(
    string $callingProjectId,
    string $location,
    string $liveConfigId,
    string $sourceUri,
    string $adTagUri,
    string $slateId
): void {
    // Instantiate a client.
    $stitcherClient = new VideoStitcherServiceClient();

    $parent = $stitcherClient->locationName($callingProjectId, $location);
    $defaultSlate = $stitcherClient->slateName($callingProjectId, $location, $slateId);

    $liveConfig = (new LiveConfig())
        ->setSourceUri($sourceUri)
        ->setAdTagUri($adTagUri)
        ->setAdTracking(AdTracking::SERVER)
        ->setStitchingPolicy(LiveConfig\StitchingPolicy::CUT_CURRENT)
        ->setDefaultSlate($defaultSlate);

    // Run live config creation request
    $request = (new CreateLiveConfigRequest())
        ->setParent($parent)
        ->setLiveConfigId($liveConfigId)
        ->setLiveConfig($liveConfig);
    $operationResponse = $stitcherClient->createLiveConfig($request);
    $operationResponse->pollUntilComplete();
    if ($operationResponse->operationSucceeded()) {
        $result = $operationResponse->getResult();
        // Print results
        printf('Live config: %s' . PHP_EOL, $result->getName());
    } else {
        $error = $operationResponse->getError();
        // handleError($error)
    }
}

Python

Prima di provare questo esempio, segui le istruzioni di configurazione Python nella guida rapida dell'API Video Stitcher per l'utilizzo delle librerie client. Per saperne di più, consulta la documentazione di riferimento dell'API Video Stitcher Python API.


import argparse

from google.cloud.video import stitcher_v1
from google.cloud.video.stitcher_v1.services.video_stitcher_service import (
    VideoStitcherServiceClient,
)


def create_live_config(
    project_id: str,
    location: str,
    live_config_id: str,
    live_stream_uri: str,
    ad_tag_uri: str,
    slate_id: str,
) -> stitcher_v1.types.LiveConfig:
    """Creates a live config.
    Args:
        project_id: The GCP project ID.
        location: The location in which to create the live config.
        live_config_id: The user-defined live config ID.
        live_stream_uri: Uri of the livestream to stitch; this URI must reference either an MPEG-DASH
                    manifest (.mpd) file or an M3U playlist manifest (.m3u8) file.
        ad_tag_uri: Uri of the ad tag.
        slate_id: The user-defined slate ID of the default slate to use when no slates are specified in an ad break's message.

    Returns:
        The live config resource.
    """

    client = VideoStitcherServiceClient()

    parent = f"projects/{project_id}/locations/{location}"
    default_slate = f"projects/{project_id}/locations/{location}/slates/{slate_id}"

    live_config = stitcher_v1.types.LiveConfig(
        source_uri=live_stream_uri,
        ad_tag_uri=ad_tag_uri,
        ad_tracking="SERVER",
        stitching_policy="CUT_CURRENT",
        default_slate=default_slate,
    )

    operation = client.create_live_config(
        parent=parent, live_config_id=live_config_id, live_config=live_config
    )
    response = operation.result()
    print(f"Live config: {response.name}")
    return response

Ruby

Prima di provare questo esempio, segui le istruzioni di configurazione di Ruby nella guida rapida dell'API Video Stitcher per l'utilizzo delle librerie client. Per saperne di più, consulta la documentazione di riferimento dell'API Video Stitcher API Ruby API.

require "google/cloud/video/stitcher"

##
# Create a live config
#
# @param project_id [String] Your Google Cloud project (e.g. `my-project`)
# @param location [String] The location (e.g. `us-central1`)
# @param live_config_id [String] Your live config name (e.g. `my-live-config`)
# @param source_uri [String] Uri of the live stream to stitch
#   (e.g. `https://storage.googleapis.com/my-bucket/main.mpd`)
# @param ad_tag_uri [String] Uri of the ad tag
#   (e.g. `https://pubads.g.doubleclick.net/gampad/ads...`)
# @param slate_id [String] The default slate ID to use when no slates are
#   specified in an ad break's message (e.g. `my-slate-id`)
#
def create_live_config project_id:, location:, live_config_id:, source_uri:,
                       ad_tag_uri:, slate_id:
  # Create a Video Stitcher client.
  client = Google::Cloud::Video::Stitcher.video_stitcher_service

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

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

  # Set the live config fields.
  new_live_config = {
    source_uri: source_uri,
    ad_tag_uri: ad_tag_uri,
    ad_tracking: Google::Cloud::Video::Stitcher::V1::AdTracking::SERVER,
    stitching_policy: Google::Cloud::Video::Stitcher::V1::LiveConfig::StitchingPolicy::CUT_CURRENT,
    default_slate: slate_name
  }

  operation = client.create_live_config parent: parent,
                                        live_config_id: live_config_id,
                                        live_config: new_live_config

  # 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 live config name.
  puts "Live config: #{operation.response.name}"
end

Passaggi successivi

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