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• 创建和管理作业模板

代码示例

C#

在尝试此示例之前，请按照C# Transcoder API 快速入门：使用 客户端库。 有关详情，请参阅 Transcoder API C# API 参考文档。

如需向 Transcoder API 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

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

在尝试此示例之前，请按照Go Transcoder API 快速入门：使用 客户端库。 有关详情，请参阅 Transcoder API Go API 参考文档。

如需向 Transcoder API 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

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

在试用此示例之前，请按照 Transcoder API 快速入门：使用客户端库中的 Java 设置说明进行操作。 如需了解详情，请参阅 Transcoder API Java API 参考文档。

如需向 Transcoder API 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

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

在尝试此示例之前，请按照Node.js Transcoder API 快速入门：使用 客户端库。 有关详情，请参阅 Transcoder API Node.js API 参考文档。

如需向 Transcoder API 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

/**
 * 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

在试用此示例之前，请按照 Transcoder API 快速入门：使用客户端库中的 PHP 设置说明进行操作。 如需了解详情，请参阅 Transcoder API PHP API 参考文档。

如需向 Transcoder API 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

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

在试用此示例之前，请按照 Transcoder API 快速入门：使用客户端库中的 Python 设置说明进行操作。 如需了解详情，请参阅 Transcoder API Python API 参考文档。

如需向 Transcoder API 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

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

在试用此示例之前，请按照 Transcoder API 快速入门：使用客户端库中的 Ruby 设置说明进行操作。 如需了解详情，请参阅 Transcoder API Ruby API 参考文档。

如需向 Transcoder API 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

# 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}"

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。