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    Task Flow Configuration

    Last updated: 2023-06-19 15:56:20
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      A task flow may include multiple templates. It allows you to perform different tasks, including transcoding, watermarking, screencapturing, and moderation, on a file at the same time.
      Log in to the VOD console. Select Media Processing > Task Flow Settings on the left sidebar. The page shows the information of task flows you created, including the task flow name, type, creation time, last modification time, and available operations.
      Task Flow Name: The name you entered when creating the task flow.
      Task Flow Type: Preset or custom.
      Creation Time: The time when the task flow was created.
      Last Modification Time: The time when the task flow was last modified.
      Operation: Includes details of the tasks added to the task flow.

      Preset Task Flows

      VOD provides five preset task flows, whose tasks include adaptive bitrate streaming, screencapturing (image sprite), and thumbnail generation.
      Task Flow Name
      Tasks
      Template Name (ID)
      LongVideoPreset
      Adaptive bitrate streaming
      Adpative-HLS(10)
      Screencapturing
      SpriteScreenshot(10)
      Thumbnail generation
      TimepointScreenshot(10)
      SimpleAesEncryptPreset
      Adaptive bitrate streaming
      Adpative-HLS-Encrypt(12)
      Screencapturing
      SpriteScreenshot(10)
      Thumbnail generation
      TimepointScreenshot(10)
      WidevineFairPlayPrese
      Adaptive bitrate streaming
      Adpative-HLS-FairPlay(11)
      Adpative-HLS-Widevine(13)
      Screencapturing
      SpriteScreenshot(10)
      Thumbnail generation
      TimepointScreenshot(10)
      SDMC-WidevineFairPlayPreset
      Adaptive bitrate streaming
      SDMC-Adpative-HLS-FairPlay(31)
      SDMC-Adpative-DASH-Widevine(41)
      Screencapturing
      SpriteScreenshot(10)
      Thumbnail generation
      TimepointScreenshot(10)
      MultiDRMPreset
      Adaptive bitrate streaming
      Adpative-HLS-EncryptBase(14)
      Adpative-HLS-Widevine(13)
      Adpative-HLS-FairPlay(11)
      Screencapturing
      SpriteScreenshot(10)
      Thumbnail generation
      TimepointScreenshot(10)

      Custom Task Flows

      1. Log in to the VOD console. On the Task Flow Settings page, click Create Task Flow, and complete the following settings:
      Task Flow Name: Enter a name not longer than 20 characters. It can contain Chinese characters, letters, numbers, hyphens (-), and underscores (_).
      Configuration Item: You can select tasks including general transcoding, TSC transcoding, adaptive bitrate streaming, screencapturing, thumbnail generation, animated image generation, and content moderation. You must select at least one item. For more information, see Task configuration.
      2. After configuring the tasks, click Submit, and the task flow is created successfully.
      Task configuration
      Task
      Preset/Custom Template Support
      Supported Templates
      General transcoding
      Transcoding templates:
      Preset supported
      Custom supported
      Transcoding templates: Select a template from the drop-down list. You can add multiple transcoding templates to a task flow. If existing templates don't meet your needs, you can create one in Template Settings.
      Watermark templates: You can configure a watermark for each transcoding template. If existing watermark templates don't meet your needs, you can create one in Template Settings.
      TSC transcoding
      Transcoding templates:
      Preset supported
      Custom supported
      Transcoding templates: Select a template from the drop-down list. You can add multiple transcoding templates to a task flow. If existing templates don't meet your needs, you can create one in Template Settings.
      Watermark templates: You can configure a watermark for each transcoding template. If existing watermark templates don't meet your needs, you can create one in Template Settings.
      Adaptive bitrate streaming
      Adaptive bitrate streaming templates:
      Preset supported
      Custom supported
      Adaptive bitrate streaming templates: Select a template from the drop-down list. You can add multiple adaptive bitrate streaming templates to a task flow.
      Watermark templates: You can configure a watermark for each adaptive bitrate streaming template. If existing watermark templates don't meet your needs, you can create one in Template Settings.
      Remuxing
      Transcoding templates:
      Preset supported
      Transcoding templates: Select a template from the drop-down list. You can add multiple remuxing templates to a task flow.
      Screencapturing
      Screenshot templates:
      Preset supported
      Custom supported
      Screenshot templates: Select a time point screenshot template, a sampled screenshot template, or an image sprite screenshot template from the drop-down list. For time point screenshot templates, you need to specify the time points to take screenshots. If existing templates don't meet your needs, you can create one in Template Settings.
      Watermark templates: You can configure a watermark for each time point or sampled screenshot template. If existing watermark templates don't meet your needs, you can create one in Template Settings.
      Thumbnail generation
      Screenshot templates:
      Preset supported
      Custom supported
      Screenshot templates: Only time point screenshot templates are supported. You can specify the time point either as an offset or a percentage. If existing templates don't meet your needs, you can create one in Template Settings.
      Watermark templates: You can configure a watermark for each screenshot template. If existing watermark templates don't meet your needs, you can create one in Template Settings.
      Animated image generating
      Animated image generation templates:
      Preset supported
      Custom supported
      Animated image generation templates: You can add multiple animated image generation templates to a workflow. For each template, you need to specify the time period for generating the animated image. If existing templates do not meet your needs, you can create one in Template Settings.
      Content moderation
      Content moderation templates
      Preset supported
      Custom supported
      Content moderation templates: You can add only one moderation template to a workflow. If existing templates do not meet your requirements, you can create one in Template Settings.
      Note:
      You can only add existing templates to a workflow.
      
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