Criar uma configuração em tempo real

Crie uma configuração ao vivo para aplicar às sessões ao vivo.

Mais informações

Para ver a documentação detalhada que inclui este exemplo de código, consulte:

• Criar e gerenciar uma configuração ativa
• Inserir anúncios em transmissões ao vivo

Exemplo de código

C#

Antes de testar esta amostra, siga as instruções de configuração do C# no Guia de início rápido da API Video Stitcher usando bibliotecas de cliente. Para saber mais, consulte a documentação de referência da API C# da API Video Stitcher.

Para autenticar a API Video Stitcher, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

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

Antes de testar esta amostra, siga as instruções de configuração do Go no Guia de início rápido da API Video Stitcher usando bibliotecas de cliente. Para saber mais, consulte a documentação de referência da API Go da API Video Stitcher.

Para autenticar a API Video Stitcher, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

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

Antes de testar esta amostra, siga as instruções de configuração do Java no Guia de início rápido da API Video Stitcher usando bibliotecas de cliente. Para saber mais, consulte a documentação de referência da API Java da API Video Stitcher.

Para autenticar a API Video Stitcher, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

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);
  }

  public static void 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. 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();
    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());
    videoStitcherServiceClient.close();
  }
}

Node.js

Antes de testar esta amostra, siga as instruções de configuração de Node.js no Guia de início rápido da API Video Stitcher usando bibliotecas de cliente. Para saber mais, consulte a documentação de referência da API Node.js da API Video Stitcher.

Para autenticar a API Video Stitcher, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

/**
 * 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();

PHP

Antes de testar esta amostra, siga as instruções de configuração de PHP no Guia de início rápido da API Video Stitcher usando bibliotecas de cliente. Para saber mais, consulte a documentação de referência da API PHP da API Video Stitcher.

Para autenticar a API Video Stitcher, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

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

Antes de testar esta amostra, siga as instruções de configuração de Python no Guia de início rápido da API Video Stitcher usando bibliotecas de cliente. Para saber mais, consulte a documentação de referência da API Python da API Video Stitcher.

Para autenticar a API Video Stitcher, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

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

Antes de testar esta amostra, siga as instruções de configuração de Ruby no Guia de início rápido da API Video Stitcher usando bibliotecas de cliente. Para saber mais, consulte a documentação de referência da API Ruby da API Video Stitcher.

Para autenticar a API Video Stitcher, configure o Application Default Credentials. Para mais informações, consulte Configurar a autenticação para um ambiente de desenvolvimento local.

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

A seguir

Para pesquisar e filtrar amostras de código para outros produtos do Google Cloud, consulte o navegador de amostra do Google Cloud.