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יצירת משימה באמצעות הגדרה אד-הוק

יוצרים משימת המרת קידוד על ידי הגדרת הערכים של תצורת המשימה, במקום להפנות לתבנית או להגדרה קבועה מראש של משימה.

המשך למידה

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

יצירה וניהול של עבודות

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 CreateJobFromAdHocSample
{
    public Job CreateJobFromAdHoc(
        string projectId, string location, string inputUri, string outputUri)
    {
        // Create the client.
        TranscoderServiceClient client = TranscoderServiceClient.Create();

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

        // Build the job 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" }

        };

        Input input = new Input
        {
            Key = "input0",
            Uri = inputUri
        };

        Output output = new Output
        {
            Uri = outputUri
        };

        JobConfig jobConfig = new JobConfig
        {
            Inputs = { input },
            Output = output,
            ElementaryStreams = { elementaryStream0, elementaryStream1, elementaryStream2 },
            MuxStreams = { muxStream0, muxStream1 }
        };

        // Build the job.
        Job newJob = new Job
        {
            Config = jobConfig,
            InputUri = inputUri,
            OutputUri = outputUri
        };

        // Call the API.
        Job job = client.CreateJob(parent, newJob);

        // Return the result.
        return job;
    }
}

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"
)

// createJobFromAdHoc creates a job based on a given configuration. See
// https://cloud.google.com/transcoder/docs/how-to/jobs#create_jobs_ad_hoc
// for more information.
func createJobFromAdHoc(w io.Writer, projectID string, location string, inputURI string, outputURI string) error {
	// projectID := "my-project-id"
	// location := "us-central1"
	// inputURI := "gs://my-bucket/my-video-file"
	// outputURI := "gs://my-bucket/my-output-folder/"
	ctx := context.Background()
	client, err := transcoder.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("NewClient: %w", err)
	}
	defer client.Close()

	req := &transcoderpb.CreateJobRequest{
		Parent: fmt.Sprintf("projects/%s/locations/%s", projectID, location),
		Job: &transcoderpb.Job{
			InputUri:  inputURI,
			OutputUri: outputURI,
			JobConfig: &transcoderpb.Job_Config{
				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"},
						},
					},
				},
			},
		},
	}
	// Creates the job, Jobs take a variable amount of time to run.
	// You can query for the job state.
	response, err := client.CreateJob(ctx, req)
	if err != nil {
		return fmt.Errorf("createJobFromAdHoc: %w", err)
	}

	fmt.Fprintf(w, "Job: %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.CreateJobRequest;
import com.google.cloud.video.transcoder.v1.ElementaryStream;
import com.google.cloud.video.transcoder.v1.Input;
import com.google.cloud.video.transcoder.v1.Job;
import com.google.cloud.video.transcoder.v1.JobConfig;
import com.google.cloud.video.transcoder.v1.LocationName;
import com.google.cloud.video.transcoder.v1.MuxStream;
import com.google.cloud.video.transcoder.v1.Output;
import com.google.cloud.video.transcoder.v1.TranscoderServiceClient;
import com.google.cloud.video.transcoder.v1.VideoStream;
import com.google.cloud.video.transcoder.v1.VideoStream.H264CodecSettings;
import java.io.IOException;

public class CreateJobFromAdHoc {

  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 inputUri = "gs://my-bucket/my-video-file";
    String outputUri = "gs://my-bucket/my-output-folder/";

    createJobFromAdHoc(projectId, location, inputUri, outputUri);
  }

  // Creates a job from an ad-hoc configuration.
  public static void createJobFromAdHoc(
      String projectId, String location, String inputUri, String outputUri) 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(
                  H264CodecSettings.newBuilder()
                      .setBitrateBps(550000)
                      .setFrameRate(60)
                      .setHeightPixels(360)
                      .setWidthPixels(640))
              .build();

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

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

      JobConfig config =
          JobConfig.newBuilder()
              .addInputs(Input.newBuilder().setKey("input0").setUri(inputUri))
              .setOutput(Output.newBuilder().setUri(outputUri))
              .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();

      CreateJobRequest createJobRequest =
          CreateJobRequest.newBuilder()
              .setJob(
                  Job.newBuilder()
                      .setInputUri(inputUri)
                      .setOutputUri(outputUri)
                      .setConfig(config)
                      .build())
              .setParent(LocationName.of(projectId, location).toString())
              .build();

      // Send the job creation request and process the response.
      Job job = transcoderServiceClient.createJob(createJobRequest);
      System.out.println("Job: " + job.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';
// inputUri = 'gs://my-bucket/my-video-file';
// outputUri = 'gs://my-bucket/my-output-folder/';

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

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

async function createJobFromAdHoc() {
  // Construct request
  const request = {
    parent: transcoderServiceClient.locationPath(projectId, location),
    job: {
      inputUri: inputUri,
      outputUri: outputUri,
      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 [response] = await transcoderServiceClient.createJob(request);
  console.log(`Job: ${response.name}`);
}

createJobFromAdHoc();

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\CreateJobRequest;
use Google\Cloud\Video\Transcoder\V1\ElementaryStream;
use Google\Cloud\Video\Transcoder\V1\Job;
use Google\Cloud\Video\Transcoder\V1\JobConfig;
use Google\Cloud\Video\Transcoder\V1\MuxStream;
use Google\Cloud\Video\Transcoder\V1\VideoStream;

/**
 * Creates a job based on an ad-hoc job configuration.
 *
 * @param string $projectId The ID of your Google Cloud Platform project.
 * @param string $location The location of the job.
 * @param string $inputUri Uri of the video in the Cloud Storage bucket.
 * @param string $outputUri Uri of the video output folder in the Cloud Storage bucket.
 */
function create_job_from_ad_hoc($projectId, $location, $inputUri, $outputUri)
{
    // Instantiate a client.
    $transcoderServiceClient = new TranscoderServiceClient();

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

    $job = (new Job())
        ->setInputUri($inputUri)
        ->setOutputUri($outputUri)
        ->setConfig($jobConfig);
    $request = (new CreateJobRequest())
        ->setParent($formattedParent)
        ->setJob($job);

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

    // Print job name.
    printf('Job: %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_from_ad_hoc(
    project_id: str,
    location: str,
    input_uri: str,
    output_uri: str,
) -> transcoder_v1.types.resources.Job:
    """Creates a job based on an ad-hoc job configuration.

    Args:
        project_id: The GCP project ID.
        location: The location to start the job in.
        input_uri: Uri of the video in the Cloud Storage bucket.
        output_uri: Uri of the video output folder in the Cloud Storage bucket.

    Returns:
        The job resource.
    """

    client = TranscoderServiceClient()

    parent = f"projects/{project_id}/locations/{location}"
    job = transcoder_v1.types.Job()
    job.input_uri = input_uri
    job.output_uri = output_uri
    job.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(parent=parent, job=job)
    print(f"Job: {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-LOCATION"  # (e.g. "us-central1")
# input_uri   = "YOUR-GCS-INPUT-VIDEO"  # (e.g. "gs://my-bucket/my-video-file")
# output_uri  = "YOUR-GCS-OUTPUT-FOLDER/"  # (e.g. "gs://my-bucket/my-output-folder/")

# 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 config.
new_job = {
  input_uri: input_uri,
  output_uri: output_uri,
  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 = client.create_job parent: parent, job: new_job

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

המאמרים הבאים

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

יצירת משימה באמצעות הגדרה אד-הוק קל לארגן דפים בעזרת אוספים אפשר לשמור ולסווג תוכן על סמך ההעדפות שלך.