Creazione di un modello di job

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Creare un modello di job di transcodifica per definire la configurazione del job.

Per saperne di più

Per una documentazione dettagliata che includa questo esempio di codice, consulta quanto segue:

Esempio di codice

C#

Prima di provare questo esempio, segui le istruzioni di configurazione di C# nella guida rapida dell'API Transcoder mediante le librerie client. Per ulteriori informazioni, consulta la documentazione di riferimento dell'API C# dell'API Transcoder.


using Google.Api.Gax.ResourceNames;
using Google.Cloud.Video.Transcoder.V1;

public class CreateJobTemplateSample
{
    public JobTemplate CreateJobTemplate(
        string projectId, string location, string templateId)
    {
        // Create the client.
        TranscoderServiceClient client = TranscoderServiceClient.Create();

        // Build the parent location name.
        LocationName parentLocation = new LocationName(projectId, location);

        // Build the job template config.
        VideoStream videoStream0 = new VideoStream
        {
            H264 = new VideoStream.Types.H264CodecSettings
            {
                BitrateBps = 550000,
                FrameRate = 60,
                HeightPixels = 360,
                WidthPixels = 640
            }
        };

        VideoStream videoStream1 = new VideoStream
        {
            H264 = new VideoStream.Types.H264CodecSettings
            {
                BitrateBps = 2500000,
                FrameRate = 60,
                HeightPixels = 720,
                WidthPixels = 1280
            }
        };

        AudioStream audioStream0 = new AudioStream
        {
            Codec = "aac",
            BitrateBps = 64000
        };

        ElementaryStream elementaryStream0 = new ElementaryStream
        {
            Key = "video_stream0",
            VideoStream = videoStream0
        };

        ElementaryStream elementaryStream1 = new ElementaryStream
        {
            Key = "video_stream1",
            VideoStream = videoStream1
        };

        ElementaryStream elementaryStream2 = new ElementaryStream
        {
            Key = "audio_stream0",
            AudioStream = audioStream0
        };

        MuxStream muxStream0 = new MuxStream
        {
            Key = "sd",
            Container = "mp4",
            ElementaryStreams = { "video_stream0", "audio_stream0" }
        };

        MuxStream muxStream1 = new MuxStream
        {
            Key = "hd",
            Container = "mp4",
            ElementaryStreams = { "video_stream1", "audio_stream0" }
        };

        JobConfig jobConfig = new JobConfig
        {
            ElementaryStreams = { elementaryStream0, elementaryStream1, elementaryStream2 },
            MuxStreams = { muxStream0, muxStream1 }
        };

        JobTemplate newJobTemplate = new JobTemplate
        {
            Config = jobConfig
        };

        // Call the API.
        JobTemplate jobTemplate = client.CreateJobTemplate(parentLocation, newJobTemplate, templateId);
        return jobTemplate;
    }
}

Go

Prima di provare questo esempio, segui le istruzioni di configurazione di Go nella guida rapida dell'API Transcoder mediante le librerie client. Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Go dell'API Transcoder.

import (
	"context"
	"fmt"
	"io"

	transcoder "cloud.google.com/go/video/transcoder/apiv1"
	transcoderpb "google.golang.org/genproto/googleapis/cloud/video/transcoder/v1"
)

// createJobTemplate creates a template for a job. See
// https://cloud.google.com/transcoder/docs/how-to/job-templates#create_job_templates
// for more information.
func createJobTemplate(w io.Writer, projectID string, location string, templateID string) error {
	// projectID := "my-project-id"
	// location := "us-central1"
	// templateID := "my-job-template"
	ctx := context.Background()
	client, err := transcoder.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("NewClient: %v", err)
	}
	defer client.Close()

	req := &transcoderpb.CreateJobTemplateRequest{
		Parent:        fmt.Sprintf("projects/%s/locations/%s", projectID, location),
		JobTemplateId: templateID,
		JobTemplate: &transcoderpb.JobTemplate{
			Config: &transcoderpb.JobConfig{
				ElementaryStreams: []*transcoderpb.ElementaryStream{
					{
						Key: "video_stream0",
						ElementaryStream: &transcoderpb.ElementaryStream_VideoStream{
							VideoStream: &transcoderpb.VideoStream{
								CodecSettings: &transcoderpb.VideoStream_H264{
									H264: &transcoderpb.VideoStream_H264CodecSettings{
										BitrateBps:   550000,
										FrameRate:    60,
										HeightPixels: 360,
										WidthPixels:  640,
									},
								},
							},
						},
					},
					{
						Key: "video_stream1",
						ElementaryStream: &transcoderpb.ElementaryStream_VideoStream{
							VideoStream: &transcoderpb.VideoStream{
								CodecSettings: &transcoderpb.VideoStream_H264{
									H264: &transcoderpb.VideoStream_H264CodecSettings{
										BitrateBps:   2500000,
										FrameRate:    60,
										HeightPixels: 720,
										WidthPixels:  1280,
									},
								},
							},
						},
					},
					{
						Key: "audio_stream0",
						ElementaryStream: &transcoderpb.ElementaryStream_AudioStream{
							AudioStream: &transcoderpb.AudioStream{
								Codec:      "aac",
								BitrateBps: 64000,
							},
						},
					},
				},
				MuxStreams: []*transcoderpb.MuxStream{
					{
						Key:               "sd",
						Container:         "mp4",
						ElementaryStreams: []string{"video_stream0", "audio_stream0"},
					},
					{
						Key:               "hd",
						Container:         "mp4",
						ElementaryStreams: []string{"video_stream1", "audio_stream0"},
					},
				},
			},
		},
	}

	response, err := client.CreateJobTemplate(ctx, req)
	if err != nil {
		return fmt.Errorf("CreateJobTemplate: %v", err)
	}

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

Java

Prima di provare questo esempio, segui le istruzioni di configurazione di Java nella guida rapida dell'API Transcoder mediante le librerie client. Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Java dell'API Transcoder.


import com.google.cloud.video.transcoder.v1.AudioStream;
import com.google.cloud.video.transcoder.v1.CreateJobTemplateRequest;
import com.google.cloud.video.transcoder.v1.ElementaryStream;
import com.google.cloud.video.transcoder.v1.JobConfig;
import com.google.cloud.video.transcoder.v1.JobTemplate;
import com.google.cloud.video.transcoder.v1.LocationName;
import com.google.cloud.video.transcoder.v1.MuxStream;
import com.google.cloud.video.transcoder.v1.TranscoderServiceClient;
import com.google.cloud.video.transcoder.v1.VideoStream;
import java.io.IOException;

public class CreateJobTemplate {

  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 templateId = "my-job-template";

    createJobTemplate(projectId, location, templateId);
  }

  // Creates a job template.
  public static void createJobTemplate(String projectId, String location, String templateId)
      throws 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.
    try (TranscoderServiceClient transcoderServiceClient = TranscoderServiceClient.create()) {

      VideoStream videoStream0 =
          VideoStream.newBuilder()
              .setH264(
                  VideoStream.H264CodecSettings.newBuilder()
                      .setBitrateBps(550000)
                      .setFrameRate(60)
                      .setHeightPixels(360)
                      .setWidthPixels(640))
              .build();

      VideoStream videoStream1 =
          VideoStream.newBuilder()
              .setH264(
                  VideoStream.H264CodecSettings.newBuilder()
                      .setBitrateBps(2500000)
                      .setFrameRate(60)
                      .setHeightPixels(720)
                      .setWidthPixels(1280))
              .build();

      AudioStream audioStream0 =
          AudioStream.newBuilder().setCodec("aac").setBitrateBps(64000).build();

      JobConfig config =
          JobConfig.newBuilder()
              .addElementaryStreams(
                  ElementaryStream.newBuilder()
                      .setKey("video_stream0")
                      .setVideoStream(videoStream0))
              .addElementaryStreams(
                  ElementaryStream.newBuilder()
                      .setKey("video_stream1")
                      .setVideoStream(videoStream1))
              .addElementaryStreams(
                  ElementaryStream.newBuilder()
                      .setKey("audio_stream0")
                      .setAudioStream(audioStream0))
              .addMuxStreams(
                  MuxStream.newBuilder()
                      .setKey("sd")
                      .setContainer("mp4")
                      .addElementaryStreams("video_stream0")
                      .addElementaryStreams("audio_stream0")
                      .build())
              .addMuxStreams(
                  MuxStream.newBuilder()
                      .setKey("hd")
                      .setContainer("mp4")
                      .addElementaryStreams("video_stream1")
                      .addElementaryStreams("audio_stream0")
                      .build())
              .build();

      var createJobTemplateRequest =
          CreateJobTemplateRequest.newBuilder()
              .setParent(LocationName.of(projectId, location).toString())
              .setJobTemplateId(templateId)
              .setJobTemplate(JobTemplate.newBuilder().setConfig(config).build())
              .build();

      // Send the job template creation request and process the response.
      JobTemplate jobTemplate = transcoderServiceClient.createJobTemplate(createJobTemplateRequest);
      System.out.println("Job template: " + jobTemplate.getName());
    }
  }
}

Node.js

Prima di provare questo esempio, segui le istruzioni di configurazione di Node.js nella guida rapida dell'API Transcoder mediante le librerie client. Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Node.js dell'API Transcoder.

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

// Imports the Transcoder library
const {TranscoderServiceClient} =
  require('@google-cloud/video-transcoder').v1;

// Instantiates a client
const transcoderServiceClient = new TranscoderServiceClient();

async function createJobTemplate() {
  // Construct request
  const request = {
    parent: transcoderServiceClient.locationPath(projectId, location),
    jobTemplateId: templateId,
    jobTemplate: {
      config: {
        elementaryStreams: [
          {
            key: 'video-stream0',
            videoStream: {
              h264: {
                heightPixels: 360,
                widthPixels: 640,
                bitrateBps: 550000,
                frameRate: 60,
              },
            },
          },
          {
            key: 'video-stream1',
            videoStream: {
              h264: {
                heightPixels: 720,
                widthPixels: 1280,
                bitrateBps: 2500000,
                frameRate: 60,
              },
            },
          },
          {
            key: 'audio-stream0',
            audioStream: {
              codec: 'aac',
              bitrateBps: 64000,
            },
          },
        ],
        muxStreams: [
          {
            key: 'sd',
            container: 'mp4',
            elementaryStreams: ['video-stream0', 'audio-stream0'],
          },
          {
            key: 'hd',
            container: 'mp4',
            elementaryStreams: ['video-stream1', 'audio-stream0'],
          },
        ],
      },
    },
  };

  // Run request
  const [jobTemplate] = await transcoderServiceClient.createJobTemplate(
    request
  );
  console.log(`Job template: ${jobTemplate.name}`);
}

createJobTemplate();

PHP

Prima di provare questo esempio, segui le istruzioni di configurazione di PHP nella guida rapida dell'API Transcoder mediante le librerie client. Per ulteriori informazioni, consulta la documentazione di riferimento dell'API PHP dell'API Transcoder.

use Google\Cloud\Video\Transcoder\V1\AudioStream;
use Google\Cloud\Video\Transcoder\V1\ElementaryStream;
use Google\Cloud\Video\Transcoder\V1\JobConfig;
use Google\Cloud\Video\Transcoder\V1\JobTemplate;
use Google\Cloud\Video\Transcoder\V1\MuxStream;
use Google\Cloud\Video\Transcoder\V1\TranscoderServiceClient;
use Google\Cloud\Video\Transcoder\V1\VideoStream;

/**
 * Creates a job template.
 *
 * @param string $projectId The ID of your Google Cloud Platform project.
 * @param string $location The location of the job template.
 * @param string $templateId The user-defined template ID.
 */
function create_job_template($projectId, $location, $templateId)
{
    // Instantiate a client.
    $transcoderServiceClient = new TranscoderServiceClient();

    $formattedParent = $transcoderServiceClient->locationName($projectId, $location);

    $jobTemplate = (new JobTemplate())->setConfig(
        (new JobConfig())->setElementaryStreams([
            (new ElementaryStream())
                ->setKey('video-stream0')
                ->setVideoStream(
                    (new VideoStream())->setH264(
                        (new VideoStream\H264CodecSettings())
                            ->setBitrateBps(550000)
                            ->setFrameRate(60)
                            ->setHeightPixels(360)
                            ->setWidthPixels(640)
                    )
                ),
            (new ElementaryStream())
                ->setKey('video-stream1')
                ->setVideoStream(
                    (new VideoStream())->setH264(
                        (new VideoStream\H264CodecSettings())
                            ->setBitrateBps(2500000)
                            ->setFrameRate(60)
                            ->setHeightPixels(720)
                            ->setWidthPixels(1280)
                    )
                ),
            (new ElementaryStream())
                ->setKey('audio-stream0')
                ->setAudioStream(
                    (new AudioStream())
                        ->setCodec('aac')
                        ->setBitrateBps(64000)
                )
        ])->setMuxStreams([
            (new MuxStream())
                ->setKey('sd')
                ->setContainer('mp4')
                ->setElementaryStreams(['video-stream0', 'audio-stream0']),
            (new MuxStream())
                ->setKey('hd')
                ->setContainer('mp4')
                ->setElementaryStreams(['video-stream1', 'audio-stream0'])
        ])
    );

    $response = $transcoderServiceClient->createJobTemplate($formattedParent, $jobTemplate, $templateId);

    // Print job template name.
    printf('Job template: %s' . PHP_EOL, $response->getName());
}

Python

Prima di provare questo esempio, segui le istruzioni di configurazione di Python nella guida rapida dell'API Transcoder mediante le librerie client. Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Python dell'API Transcoder.


import argparse

from google.cloud.video import transcoder_v1
from google.cloud.video.transcoder_v1.services.transcoder_service import (
    TranscoderServiceClient,
)

def create_job_template(project_id, location, template_id):
    """Creates a job template.

    Args:
        project_id: The GCP project ID.
        location: The location to store this template in.
        template_id: The user-defined template ID."""

    client = TranscoderServiceClient()

    parent = f"projects/{project_id}/locations/{location}"

    job_template = transcoder_v1.types.JobTemplate()
    job_template.name = (
        f"projects/{project_id}/locations/{location}/jobTemplates/{template_id}"
    )
    job_template.config = transcoder_v1.types.JobConfig(
        elementary_streams=[
            transcoder_v1.types.ElementaryStream(
                key="video-stream0",
                video_stream=transcoder_v1.types.VideoStream(
                    h264=transcoder_v1.types.VideoStream.H264CodecSettings(
                        height_pixels=360,
                        width_pixels=640,
                        bitrate_bps=550000,
                        frame_rate=60,
                    ),
                ),
            ),
            transcoder_v1.types.ElementaryStream(
                key="video-stream1",
                video_stream=transcoder_v1.types.VideoStream(
                    h264=transcoder_v1.types.VideoStream.H264CodecSettings(
                        height_pixels=720,
                        width_pixels=1280,
                        bitrate_bps=2500000,
                        frame_rate=60,
                    ),
                ),
            ),
            transcoder_v1.types.ElementaryStream(
                key="audio-stream0",
                audio_stream=transcoder_v1.types.AudioStream(
                    codec="aac", bitrate_bps=64000
                ),
            ),
        ],
        mux_streams=[
            transcoder_v1.types.MuxStream(
                key="sd",
                container="mp4",
                elementary_streams=["video-stream0", "audio-stream0"],
            ),
            transcoder_v1.types.MuxStream(
                key="hd",
                container="mp4",
                elementary_streams=["video-stream1", "audio-stream0"],
            ),
        ],
    )

    response = client.create_job_template(
        parent=parent, job_template=job_template, job_template_id=template_id
    )
    print(f"Job template: {response.name}")
    return response

Ruby

Prima di provare questo esempio, segui le istruzioni di configurazione di Ruby nella guida rapida dell'API Transcoder mediante le librerie client. Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Ruby dell'API Transcoder.

# project_id  = "YOUR-GOOGLE-CLOUD-PROJECT"  # (e.g. "my-project")
# location    = "YOUR-JOB-TEMPLATE-LOCATION"  # (e.g. "us-central1")
# template_id = "YOUR-JOB-TEMPLATE"  # (e.g. "my-job-template")

# Require the Transcoder client library.
require "google/cloud/video/transcoder"

# Create a Transcoder client.
client = Google::Cloud::Video::Transcoder.transcoder_service

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

# Build the job template.
new_job_template = {
  config: {
    elementary_streams: [
      {
        key: "video-stream0",
        video_stream: {
          h264: {
            height_pixels: 360,
            width_pixels: 640,
            bitrate_bps: 550_000,
            frame_rate: 60
          }
        }
      },
      {
        key: "video-stream1",
        video_stream: {
          h264: {
            height_pixels: 720,
            width_pixels: 1280,
            bitrate_bps: 2_500_000,
            frame_rate: 60
          }
        }
      },
      {
        key: "audio-stream0",
        audio_stream: {
          codec: "aac",
          bitrate_bps: 64_000
        }
      }
    ],
    mux_streams: [
      {
        key: "sd",
        container: "mp4",
        elementary_streams: [
          "video-stream0",
          "audio-stream0"
        ]
      },
      {
        key: "hd",
        container: "mp4",
        elementary_streams: [
          "video-stream1",
          "audio-stream0"
        ]
      }
    ]
  }
}

job_template = client.create_job_template parent: parent, job_template: new_job_template, job_template_id: template_id

# Print the job template name.
puts "Job template: #{job_template.name}"

Passaggi successivi

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