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יצירת תבנית למשימות

יוצרים תבנית למשימות של המרת קידוד כדי להגדיר את תצורת המשימה.

המשך למידה

לקבלת הסבר מפורט שכולל את דוגמת הקוד הזו, קראו את המאמר:

יצירה וניהול של תבניות משרות

דוגמת קוד

C#

לפני שמנסים את הדוגמה הזו, צריך לפעול לפי C#הוראות ההגדרה שבמדריך לתחילת העבודה עם Transcoder API באמצעות ספריות לקוח. מידע נוסף מופיע במאמרי העזרה של Transcoder API C# API.

כדי לבצע אימות ב-Transcoder API, צריך להגדיר את Application Default Credentials. מידע נוסף זמין במאמר הגדרת אימות לסביבת פיתוח מקומית.


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

לפני שמנסים את הדוגמה הזו, צריך לפעול לפי Goהוראות ההגדרה שבמדריך לתחילת העבודה עם Transcoder API באמצעות ספריות לקוח. מידע נוסף מופיע במאמרי העזרה של Transcoder API Go API.

import (
	"context"
	"fmt"
	"io"

	transcoder "cloud.google.com/go/video/transcoder/apiv1"
	"cloud.google.com/go/video/transcoder/apiv1/transcoderpb"
)

// 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: %w", 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: %w", err)
	}

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

Java

לפני שמנסים את הדוגמה הזו, צריך לפעול לפי Javaהוראות ההגדרה שבמדריך לתחילת העבודה עם Transcoder API באמצעות ספריות לקוח. מידע נוסף מופיע במאמרי העזרה של Transcoder API Java API.


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();

      CreateJobTemplateRequest 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

לפני שמנסים את הדוגמה הזו, צריך לפעול לפי Node.jsהוראות ההגדרה שבמדריך לתחילת העבודה עם Transcoder API באמצעות ספריות לקוח. מידע נוסף מופיע במאמרי העזרה של Transcoder API Node.js API.

/**
 * 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

לפני שמנסים את הדוגמה הזו, צריך לפעול לפי PHPהוראות ההגדרה שבמדריך לתחילת העבודה עם Transcoder API באמצעות ספריות לקוח. מידע נוסף מופיע במאמרי העזרה של Transcoder API PHP API.

use Google\Cloud\Video\Transcoder\V1\AudioStream;
use Google\Cloud\Video\Transcoder\V1\Client\TranscoderServiceClient;
use Google\Cloud\Video\Transcoder\V1\CreateJobTemplateRequest;
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\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'])
        ])
    );
    $request = (new CreateJobTemplateRequest())
        ->setParent($formattedParent)
        ->setJobTemplate($jobTemplate)
        ->setJobTemplateId($templateId);

    $response = $transcoderServiceClient->createJobTemplate($request);

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

Python

לפני שמנסים את הדוגמה הזו, צריך לפעול לפי Pythonהוראות ההגדרה שבמדריך לתחילת העבודה עם Transcoder API באמצעות ספריות לקוח. מידע נוסף מופיע במאמרי העזרה של Transcoder API Python API.


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: str,
    location: str,
    template_id: str,
) -> transcoder_v1.types.resources.JobTemplate:
    """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.

    Returns:
        The job template resource.
    """

    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

לפני שמנסים את הדוגמה הזו, צריך לפעול לפי Rubyהוראות ההגדרה שבמדריך לתחילת העבודה עם Transcoder API באמצעות ספריות לקוח. מידע נוסף מופיע במאמרי העזרה של Transcoder API Ruby API.

# 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}"

המאמרים הבאים

כדי לחפש ולסנן דוגמאות קוד למוצרים אחרים של Google Cloud , אפשר להיעזר בGoogle Cloud דפדפן לדוגמה.

יצירת תבנית למשימות קל לארגן דפים בעזרת אוספים אפשר לשמור ולסווג תוכן על סמך ההעדפות שלך.