Update an input endpoint

Update a live stream input endpoint resource.

Explore further

For detailed documentation that includes this code sample, see the following:

• Create and manage input endpoints

Code sample

C#

To learn how to install and use the client library for Live Stream API, see Live Stream API client libraries. For more information, see the Live Stream API C# API reference documentation.

To authenticate to Live Stream API, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

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

public class UpdateInputSample
{
    public async Task<Input> UpdateInputAsync(
         string projectId, string locationId, string inputId)
    {
        // Create the client.
        LivestreamServiceClient client = LivestreamServiceClient.Create();

        UpdateInputRequest request = new UpdateInputRequest
        {
            Input = new Input
            {
                InputName = InputName.FromProjectLocationInput(projectId, locationId, inputId),
                PreprocessingConfig = new PreprocessingConfig
                {
                    Crop = new PreprocessingConfig.Types.Crop
                    {
                        TopPixels = 5,
                        BottomPixels = 5
                    }
                }
            },
            UpdateMask = new FieldMask { Paths = { "preprocessing_config" } }
        };

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

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

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

Go

To learn how to install and use the client library for Live Stream API, see Live Stream API client libraries. For more information, see the Live Stream API Go API reference documentation.

To authenticate to Live Stream API, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

import (
	"context"
	"fmt"
	"io"

	livestream "cloud.google.com/go/video/livestream/apiv1"
	"cloud.google.com/go/video/livestream/apiv1/livestreampb"
	"google.golang.org/protobuf/types/known/fieldmaskpb"
)

// updateInput updates an existing input endpoint. This sample adds a
// preprocessing configuration to an existing input.
func updateInput(w io.Writer, projectID, location, inputID string) error {
	// projectID := "my-project-id"
	// location := "us-central1"
	// inputID := "my-input"
	ctx := context.Background()
	client, err := livestream.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("NewClient: %w", err)
	}
	defer client.Close()

	req := &livestreampb.UpdateInputRequest{
		Input: &livestreampb.Input{
			Name: fmt.Sprintf("projects/%s/locations/%s/inputs/%s", projectID, location, inputID),
			PreprocessingConfig: &livestreampb.PreprocessingConfig{
				Crop: &livestreampb.PreprocessingConfig_Crop{
					TopPixels:    5,
					BottomPixels: 5,
				},
			},
		},
		UpdateMask: &fieldmaskpb.FieldMask{
			Paths: []string{
				"preprocessing_config",
			},
		},
	}
	// Updates the input.
	op, err := client.UpdateInput(ctx, req)
	if err != nil {
		return fmt.Errorf("UpdateInput: %w", err)
	}
	response, err := op.Wait(ctx)
	if err != nil {
		return fmt.Errorf("Wait: %w", err)
	}

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

Java

To learn how to install and use the client library for Live Stream API, see Live Stream API client libraries. For more information, see the Live Stream API Java API reference documentation.

To authenticate to Live Stream API, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

import com.google.cloud.video.livestream.v1.Input;
import com.google.cloud.video.livestream.v1.InputName;
import com.google.cloud.video.livestream.v1.LivestreamServiceClient;
import com.google.cloud.video.livestream.v1.PreprocessingConfig;
import com.google.cloud.video.livestream.v1.PreprocessingConfig.Crop;
import com.google.cloud.video.livestream.v1.UpdateInputRequest;
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 UpdateInput {

  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 inputId = "my-input-id";

    updateInput(projectId, location, inputId);
  }

  public static void updateInput(String projectId, String location, String inputId)
      throws InterruptedException, ExecutionException, TimeoutException, 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. After completing all of your requests, call
    // the "close" method on the client to safely clean up any remaining background resources.
    LivestreamServiceClient livestreamServiceClient = LivestreamServiceClient.create();
    var updateInputRequest =
        UpdateInputRequest.newBuilder()
            .setInput(
                Input.newBuilder()
                    .setName(InputName.of(projectId, location, inputId).toString())
                    .setPreprocessingConfig(
                        PreprocessingConfig.newBuilder()
                            .setCrop(Crop.newBuilder().setTopPixels(5).setBottomPixels(5).build())
                            .build())
                    .build())
            .setUpdateMask(FieldMask.newBuilder().addPaths("preprocessing_config").build())
            .build();
    // First API call in a project can take up to 10 minutes.
    Input result =
        livestreamServiceClient.updateInputAsync(updateInputRequest).get(10, TimeUnit.MINUTES);
    System.out.println("Updated input: " + result.getName());
    livestreamServiceClient.close();
  }
}

Node.js

To learn how to install and use the client library for Live Stream API, see Live Stream API client libraries. For more information, see the Live Stream API Node.js API reference documentation.

To authenticate to Live Stream API, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// projectId = 'my-project-id';
// location = 'us-central1';
// inputId = 'my-input';

// Imports the Livestream library
const {LivestreamServiceClient} = require('@google-cloud/livestream').v1;

// Instantiates a client
const livestreamServiceClient = new LivestreamServiceClient();

async function updateInput() {
  // Construct request
  const request = {
    input: {
      name: livestreamServiceClient.inputPath(projectId, location, inputId),
      preprocessingConfig: {
        crop: {
          topPixels: 5,
          bottomPixels: 5,
        },
      },
    },
    updateMask: {
      paths: ['preprocessing_config'],
    },
  };

  // Run request
  const [operation] = await livestreamServiceClient.updateInput(request);
  const response = await operation.promise();
  const [input] = response;
  console.log(`Updated input: ${input.name}`);
}

updateInput();

PHP

To learn how to install and use the client library for Live Stream API, see Live Stream API client libraries. For more information, see the Live Stream API PHP API reference documentation.

To authenticate to Live Stream API, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

use Google\Cloud\Video\LiveStream\V1\Input;
use Google\Cloud\Video\LiveStream\V1\Client\LivestreamServiceClient;
use Google\Cloud\Video\LiveStream\V1\PreprocessingConfig;
use Google\Cloud\Video\LiveStream\V1\UpdateInputRequest;
use Google\Protobuf\FieldMask;

/**
 * Updates an input.
 *
 * @param string  $callingProjectId   The project ID to run the API call under
 * @param string  $location           The location of the input
 * @param string  $inputId            The ID of the input to be updated
 */
function update_input(
    string $callingProjectId,
    string $location,
    string $inputId
): void {
    // Instantiate a client.
    $livestreamClient = new LivestreamServiceClient();

    $formattedName = $livestreamClient->inputName($callingProjectId, $location, $inputId);
    $crop = (new PreprocessingConfig\Crop())
        ->setTopPixels(5)
        ->setBottomPixels(5);
    $config = (new PreprocessingConfig())
        ->setCrop($crop);
    $input = (new Input())
        ->setName($formattedName)
        ->setPreprocessingConfig($config);

    $updateMask = new FieldMask([
        'paths' => ['preprocessing_config']
    ]);

    // Run the input update request. The response is a long-running operation ID.
    $request = (new UpdateInputRequest())
        ->setInput($input)
        ->setUpdateMask($updateMask);
    $operationResponse = $livestreamClient->updateInput($request);

    $operationResponse->pollUntilComplete();
    if ($operationResponse->operationSucceeded()) {
        $result = $operationResponse->getResult();
        // Print results
        printf('Updated input: %s' . PHP_EOL, $result->getName());
    } else {
        $error = $operationResponse->getError();
        // handleError($error)
    }
}

Python

To learn how to install and use the client library for Live Stream API, see Live Stream API client libraries. For more information, see the Live Stream API Python API reference documentation.

To authenticate to Live Stream API, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

import argparse

from google.cloud.video import live_stream_v1
from google.cloud.video.live_stream_v1.services.livestream_service import (
    LivestreamServiceClient,
)
from google.protobuf import field_mask_pb2 as field_mask


def update_input(
    project_id: str, location: str, input_id: str
) -> live_stream_v1.types.Input:
    """Updates an input.
    Args:
        project_id: The GCP project ID.
        location: The location of the input.
        input_id: The user-defined input ID."""

    client = LivestreamServiceClient()

    name = f"projects/{project_id}/locations/{location}/inputs/{input_id}"

    input = live_stream_v1.types.Input(
        name=name,
        preprocessing_config=live_stream_v1.types.PreprocessingConfig(
            crop=live_stream_v1.types.PreprocessingConfig.Crop(
                top_pixels=5,
                bottom_pixels=5,
            )
        ),
    )
    update_mask = field_mask.FieldMask(paths=["preprocessing_config"])

    operation = client.update_input(input=input, update_mask=update_mask)
    response = operation.result(600)
    print(f"Updated input: {response.name}")

    return response

Ruby

To learn how to install and use the client library for Live Stream API, see Live Stream API client libraries. For more information, see the Live Stream API Ruby API reference documentation.

To authenticate to Live Stream API, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

require "google/cloud/video/live_stream"

##
# Update an input endpoint
#
# @param project_id [String] Your Google Cloud project (e.g. "my-project")
# @param location [String] The location (e.g. "us-central1")
# @param input_id [String] Your input name (e.g. "my-input")
#
def update_input project_id:, location:, input_id:
  # Create a Live Stream client.
  client = Google::Cloud::Video::LiveStream.livestream_service

  # Build the resource name of the input.
  name = client.input_path project: project_id, location: location, input: input_id

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

  # Update the input pre-processing config field.
  update_input = {
    name: name,
    preprocessing_config: {
      crop: {
        top_pixels: 5,
        bottom_pixels: 5
      }
    }
  }

  operation = client.update_input update_mask: update_mask, input: update_input

  # 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 input name.
  puts "Updated input: #{operation.response.name}"
  puts "Updated pre-processing config: #{operation.response.preprocessing_config.crop.top_pixels}"
end

What's next

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