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    Template Operations

    Last updated: 2024-02-29 17:31:27
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      Overview

      This document provides an overview of APIs and SDK code samples for media processing jobs in CI, with the animated image job as an example.
      API
      Operation
      Description
      Creating template
      Creates template
      Deleting template
      Deletes template
      Querying templates
      Queries template list
      Modifying template
      Modifies template

      Basic Operations

      Creating template

      Feature description

      This API is used to create a template.

      Method prototype

      public MediaTemplateResponse createMediaTemplate(MediaTemplateRequest request);

      Parameter description

      Request has the following sub-nodes:
      Node Name (Keyword)
      Parent Node
      Description
      Type
      Required
      Tag
      Request
      Template type: Animation (animated image); Snapshot (screenshot); Transcode (transcoding); Watermark (watermark); SmartCover (intelligent thumbnail)
      String
      Yes
      Name
      Request
      Template name, which can contain letters, digits, underscores (_), hyphens (-), and asterisks (*).
      String
      Yes
      Container
      Request
      Container format
      Container
      Yes
      Video
      Request
      Video information
      Container
      No
      TimeInterval
      Request
      Time interval
      Container
      No
      Snapshot
      Request
      Screenshot
      Container
      No
      Watermark
      Request
      Watermark
      Container
      No
      Audio
      Request
      Audio information
      Container
      No
      TransConfig
      Request
      Transcoding configuration
      Container
      No
      Container has the following sub-nodes:
      Node Name (Keyword)
      Parent Node
      Description
      Type
      Required
      Format
      Request.Container
      Container format. Valid values: gif, hgif (higher-definition GIF), webp.
      String
      Yes
      Video has the following sub-nodes:
      Node Name (Keyword)
      Parent Node
      Description
      Type
      Required
      Default Value
      Constraints
      Codec
      Request.Video
      Codec format
      String
      Yes
      None
      gif, webp
      Width
      Request.Video
      Width
      String
      No
      Original video width
      Value range: [128, 4096]
      Unit: px
      If only Width is set, Height is calculated according to the original video aspect ratio.
      Height
      Request.Video
      Height
      String
      No
      Original video height
      Value range: [128, 4096]
      Unit: px
      If only Height is set, Width is calculated according to the original video aspect ratio.
      Fps
      Request.Video
      Frame rate
      String
      No
      Original video frame rate
      Value range: (0, 60]
      Unit: fps
      This parameter is optional. If it is not set, the video is played at the speed as per the original timestamp. This parameter specifies the frame rate for animated image playback.
      AnimateOnly KeepKeyFrame
      Request.Video
      Keep only keyframes for animated images
      String
      No
      None
      Valid values: true, false.
      Specifies whether to keep only keyframes for animated images
      AnimateTime IntervalOfFrame
      Request.Video
      Frame sampling interval for animated images
      String
      No
      None
      Value range: (0, video duration]
      Frame sampling interval for animated images
      The value of this parameter must be less than the value of TimeInterval.Duration if TimeInterval.Duration is set.
      AnimateFrames PerSecond
      Request.Video
      Number of frames sampled per second for animated images
      String
      No
      None
      Value range: (0, video frame rate)
      Frame sampling frequency for animated images
      Priority: AnimateFramesPerSecond > AnimateOnlyKeepKeyFrame > AnimateTimeIntervalOfFrame
      Quality
      Request.Video
      Relative quality
      String
      No
      None
      Value range: [1, 100)
      This parameter will take effect for WEBP images and is not available for GIF images.
      
      TimeInterval has the following sub-nodes:
      Node Name (Keyword)
      Parent Node
      Description
      Type
      Required
      Default Value
      Constraints
      Start
      Request.TimeInterval
      Start time
      String
      No
      0
      Value range: [0, video duration]
      Unit: Second
      The float format is supported, accurate to the millisecond.
      Duration
      Request.TimeInterval
      Duration
      String
      No
      Video duration
      Value range: [0, video duration]
      Unit: Second
      The float format is supported, accurate to the millisecond.
      Snapshot has the following sub-nodes:
      Node Name (Keyword)
      Parent Node
      Description
      Type
      Required
      Default Value
      Constraints
      Mode
      Request.Snapshot
      Screenshot mode
      String
      Yes
      Interval
      Valid values: {Interval, Average}
      Interval: Interval mode. Average: Average mode
      Interval mode: The Start, TimeInterval, and Count parameters take effect. If Count is set and TimeInterval is not set, all frames will be captured, and the total number of images captured will be specified by Count.
      Average mode: The Start and Count parameters take effect, indicating to capture a total of Count images at an average interval from Start to the end of the video.
      Start
      Request.Snapshot
      Start time
      String
      Yes
      0
      Value range: [0, video duration]
      Unit: Second
      The float format is supported, accurate to the millisecond.
      TimeInterval
      Request.Snapshot
      Screenshot time interval
      String
      No
      None
      Value range: (0, 3600]
      Unit: Second
      The float format is supported, accurate to the millisecond.
      Count
      Request.Snapshot
      Number of screenshots
      String
      Yes
      None
      (0, 10000]
      Width
      Request.Snapshot
      Width
      String
      No
      Original video width
      Value range: [128, 4096]
      Unit: px
      If only Width is set, Height is calculated according to the original video aspect ratio.
      Height
      Request.Snapshot
      Height
      String
      No
      Original video height
      Value range: [128, 4096]
      Unit: px
      If only Height is set, Width is calculated according to the original video aspect ratio.
      Watermark has the following sub-nodes:
      Node Name (Keyword)
      Parent Node
      Description
      Type
      Required
      Default Value
      Constraints
      Type
      Request.Watermark
      Watermark type
      String
      Yes
      None
      Text: Text watermark. Image: Image Watermark.
      Pos
      Request.Watermark
      Reference position
      String
      Yes
      None
      TopRight, TopLeft, BottomRight, BottomLeft
      LocMode
      Request.Watermark
      Offset mode
      String
      Yes
      None
      Relativity: Proportionally. Absolute: Fixed position.
      Dx
      Request.Watermark
      Horizontal offset
      String
      Yes
      None
      If locMode is Relativity, the unit is %, and the value range is [0, 100]
      If locMode is Absolute, the unit is px, and the value range is [0, 4096].
      Dy
      Request.Watermark
      Vertical offset
      String
      Yes
      None
      If locMode is Relativity, the unit is %, and the value range is [0, 100]
      If locMode is Absolute, the unit is px, and the value range is [0, 4096].
      StartTime
      Request.Watermark
      Watermark start time
      String
      No
      0
      Value range: [0, video duration]
      Unit: Second
      The float format is supported, accurate to the millisecond.
      EndTime
      Request.Watermark
      Watermark end time
      String
      No
      Video end time
      Value range: [0, video duration]
      Unit: Second
      The float format is supported, accurate to the millisecond.
      Image
      Request.Watermark
      Image watermark node
      Container
      No
      None
      None
      Text
      Request.Watermark
      Text watermark node
      Container
      No
      None
      None
      Image has the following sub-nodes:
      Node Name (Keyword)
      Parent Node
      Description
      Type
      Required
      Default Value
      Constraints
      Url
      Request.Watermark.Image
      Watermark image address
      String
      Yes
      None
      Same as the watermark image address of the bucket.
      Mode
      Request.Watermark.Image
      Dimension mode
      String
      Yes
      None
      Original: Original size
      Proportion: Scaled proportionally
      Fixed: Fixed size
      Width
      Request.Watermark.Image
      Width
      String
      No
      None
      If Mode is Original, this parameter is the watermark image width.
      If Mode is Proportion, the unit is %, and the value range is [1, 100].
      If Mode is Fixed, the unit is px, and the value range is [1, 4096].
      If only Width is set, Height is calculated according to the original video aspect ratio.
      Height
      Request.Watermark.Image
      Height
      String
      No
      None
      If Mode is Original, this parameter is the watermark image height.
      If Mode is Proportion, the unit is %, and the value range is [1, 100].
      If Mode is Fixed, the unit is px, and the value range is [1, 4096].
      If only Height is set, Width is calculated according to the original video aspect ratio.
      Transparency
      Request.Watermark.Image
      Transparency
      String
      Yes
      None
      Value range: [1, 100]. Unit: %
      Watermark position description:
      image.png
      
      
      Text has the following sub-nodes:
      Node Name (Keyword)
      Parent Node
      Description
      Type
      Required
      Default Value
      Constraints
      FontSize
      Request.Watermark.Text
      Font size
      String
      Yes
      None
      Value range: [5, 100]. Unit: px
      FontType
      Request.Watermark.Text
      Font type
      String
      Yes
      None
      See the table below.
      FontColor
      Request.Watermark.Text
      Font color
      String
      Yes
      None
      Format: 0xRRGGBB
      Transparency
      Request.Watermark.Text
      Transparency
      String
      Yes
      None
      Value range: [1, 100]. Unit: %
      Text
      Request.Watermark.Text
      Watermark content
      String
      Yes
      None
      The value can be up to 64 letters, digits, underscores (_), hyphens (-), and asterisks (*).
      FontType has the following sub-nodes:
      Font Name
      Supported Language
      Description
      simfang.ttf
      Chinese/English
      FangSong
      simhei.ttf
      Chinese/English
      SimHei
      simkai.ttf
      Chinese/English
      KaiTi
      simsun.ttc
      Chinese/English
      SimSun
      STHeiti-Light.ttc
      Chinese/English
      STHeiti-Light
      STHeiti-Medium.ttc
      Chinese/English
      STHeiti-Medium
      youyuan.TTF
      Chinese/English
      YouYuan
      ariblk.ttf
      English
      None
      arial.ttf
      English
      None
      ahronbd.ttf
      English
      None
      Helvetica.dfont
      English
      None
      HelveticaNeue.dfont
      English
      None
      Audio/Video formats supported by different container formats are as follows:
      Container
      Audio Codecs
      Video Codecs
      flv/mp4/ts/hls
      AAC, MP3
      H.264
      AAC
      AAC
      Not supported
      MP3
      MP3
      Not supported
      Audio has the following sub-nodes:
      Node Name (Keyword)
      Parent Node
      Description
      Type
      Required
      Default Value
      Constraints
      Codec
      Request.Audio
      Codec format
      String
      No
      aac
      Valid values: aac, mp3.
      Samplerate
      Request.Audio
      Sample rate
      String
      No
      44100
      Unit: Hz
      Valid values: 11025, 22050, 32000, 44100, 48000, 96000.
      Different container formats support different MP3 sample rates, as shown in the table below.
      Bitrate
      Request.Audio
      Original audio bitrate
      String
      No
      None
      Unit: Kbps
      Value range: [8, 1000]
      Channels
      Request.Audio
      Number of sound channels
      String
      No
      None
      If Codec is aac, the value can be 1, 2, 4, 5, 6, or 8.
      If Codec is mp3, the value can be 1 or 2.
      Remove
      Request.Audio
      Whether to delete the audio stream
      String
      No
      false
      Valid values: true, false.
      Y indicates supported, and N indicates unsupported.
      Container Format/Audio Sample Rate
      11025
      22050
      32000
      44100
      48000
      96000
      flv
      Y
      Y
      N
      Y
      N
      N
      mp4
      N
      Y
      Y
      Y
      Y
      N
      avi/hls/ts/mp3
      Y
      Y
      Y
      Y
      Y
      N
      TransConfig has the following sub-nodes:
      Node Name (Keyword)
      Parent Node
      Description
      Type
      Required
      Default Value
      Constraints
      AdjDarMethod
      Request.TransConfig
      Resolution adjustment method
      String
      No
      none
      Valid values: scale, crop, pad, none.
      If the aspect ratio of the output video is different from that of the original video, the resolution needs to be adjusted according to this parameter.
      IsCheckReso
      Request.TransConfig
      Whether to check the resolution
      String
      No
      false
      Valid values: true, false.
      If the value is false, transcoding is performed based on settings.
      ResoAdjMethod
      Request.TransConfig
      Resolution adjustment method
      String
      No
      0
      Valid values: 0, 1. 0 indicates to use the original video resolution, and 1 indicates to return the transcoding failure message.
      This parameter will take effect only when IsCheckReso is true.
      IsCheckVideoBitrate
      Request.TransConfig
      Whether to check the video bitrate
      String
      No
      false
      Valid values: true, false.
      If the value is false, transcoding is performed based on settings.
      VideoBitrateAdjMethod
      Request.TransConfig
      Video bitrate adjustment method
      String
      No
      0
      Valid values: 0, 1. 0 indicates to use the original video bitrate, and 1 indicates to return the transcoding failure message.
      This parameter will take effect only when IsCheckVideoBitrate is true.
      IsCheckAudioBitrate
      Request.TransConfig
      Whether to check the audio bitrate
      String
      No
      false
      Valid values: true, false.
      If the value is false, transcoding is performed based on settings.
      AudioBitrateAdjMethod
      Request.TransConfig
      Audio bitrate adjustment method
      String
      No
      0
      Valid values: 0, 1. 0 indicates to use the original audio bitrate, and 1 indicates to return the transcoding failure message.
      This parameter will take effect only when IsCheckAudioBitrate is true.
      Video has the following sub-nodes:
      Node Name (Keyword)
      Parent Node
      Description
      Type
      Required
      Default Value
      Constraints
      Codec
      Request.Video
      Codec format
      String
      No
      H.264
      H.264
      Width
      Request.Video
      Width
      String
      No
      Original video width
      Value range: [128, 4096]
      Unit: px
      If only Width is set, Height is calculated according to the original video aspect ratio.
      Height
      Request.Video
      Height
      String
      No
      Original video height
      Value range: [128, 4096]
      Unit: px
      If only Height is set, Width is calculated according to the original video aspect ratio.
      Fps
      Request.Video
      Frame rate
      String
      No
      None
      Value range: (0, 60]
      Unit: fps
      Remove
      Request.Video
      Whether to delete the video stream
      String
      No
      false
      true/false
      Profile
      Request.Video
      Encoding level
      String
      No
      high
      Valid values: baseline, main, high.
      baseline: Suitable for mobile devices.
      main: Suitable for standard resolution devices.
      high: Suitable for high resolution devices.
      Only H.264 supports this parameter.
      Bitrate
      Request.Video
      Bitrate of the video output file
      String
      No
      None
      Value range: [10, 50000]
      Unit: Kbps
      Crf
      Request.Video
      Bitrate, which is a quality control factor
      String
      No
      None
      Value range: (0, 51]
      If Crf is set, the setting of Bitrate will become invalid.
      Gop
      Request.Video
      Maximum number of frames between two keyframes
      String
      No
      None
      Value range: [1, 100000]
      Preset
      Request.Video
      Video algorithm preset
      String
      No
      medium
      Only H.264 supports this parameter.
      Valid values: veryfast, fast, medium, slow, slower.
      Bufsize
      Request.Video
      Buffer size
      String
      No
      None
      Value range: [1000, 128000]
      Unit: Kb
      Maxrate
      Request.Video
      Peak video bitrate
      String
      No
      None
      Value range: [10, 50000]
      Unit: Kbps
      HlsTsTime
      Request.Video
      HLS segment time
      String
      No
      5
      Value range: (0, video duration]
      Unit: Second
      Pixfmt
      Request.Video
      Video color format
      String
      No
      None
      Valid values: yuv420p, yuv422p, yuv444p, yuvj420p, yuvj422p, yuvj444p.

      Response description

      Success: The MediaTemplateResponse object response information is returned, which contains the details of the created template.
      Failure: An error (such as the bucket does not exist) occurs, reporting the CosClientException or CosServiceException exception. For more information, see Troubleshooting.

      Sample request

      //1. Create a template request object
      MediaTemplateRequest request = new MediaTemplateRequest();
      //2. Add request parameters as detailed in the API documentation
      request.setBucketName("examplebucket-1250000000");
      request.setTag("Animation");
      request.setName("TestTemplate40");
      request.getContainer().setFormat("gif");
      request.getVideo().setCodec("gif");
      request.getVideo().setWidth("1280");
      request.getVideo().setFps("15");
      request.getVideo().setAnimateOnlyKeepKeyFrame("true");
      request.getTimeInterval().setStart("0");
      request.getTimeInterval().setDuration("60");
      //3. Call the API to get the template response object
      MediaTemplateResponse response = client.createMediaTemplate(request);

      Deleting template

      Feature description

      This API is used to delete a template.

      Method prototype

      public Boolean deleteMediaTemplate(MediaTemplateRequest request);

      Parameter description

      Parameter
      Description
      Type
      Required
      bucketName
      Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
      String
      Yes
      templateId
      ID of the template to be canceled
      String
      Yes

      Response description

      Success: A boolean type is returned, which is true upon deletion success.
      Failure: If an error (such as authentication failure) occurs, the CosClientException or CosServiceException exception will be reported. For more information, see Troubleshooting.

      Sample request

      MediaTemplateRequest request = new MediaTemplateRequest();
      request.setBucketName("examplebucket-1250000000");
      request.setTemplateId("t19c4a60ae1a694621a01f0c7130c*****");
      Boolean response = client.deleteMediaTemplate(request);

      Querying template list

      Feature description

      This API is used to query the template list.

      Method prototype

      public MediaJobResponse describeMediaJob(MediaJobsRequest req);

      Parameter description

      Parameter
      Description
      Type
      Required
      bucketName
      Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
      String
      Yes
      tag
      Template tag: Animation (animated image); Snapshot (screenshot); Transcode (transcoding); Watermark (watermark); SmartCover (intelligent thumbnail)
      String
      Yes
      category
      Template category. Valid values: Custom, Official. Default value: Custom.
      String
      No
      ids
      Template ID. If you enter multiple IDs, separate them by comma.
      String
      No
      name
      Template name prefix
      String
      No
      pageNumber
      Page number
      Integer
      No
      pageSize
      Number of entries per page
      Integer
      No

      Response description

      Success: A template response wrapper class is returned, which contains the template details set templateList.
      Failure: If an error (such as authentication failure) occurs, the CosClientException or CosServiceException exception will be reported. For more information, see Troubleshooting.

      Sample request

      //1. Create a job request object
      MediaTemplateRequest request = new MediaTemplateRequest();
      request.setBucketName("examplebucket-1250000000");
      MediaListTemplateResponse response = client.describeMediaTemplates(request);
      List<MediaTemplateObject> templateList = response.getTemplateList();

      Modifying template

      Feature description

      This API is used to modify a template.

      Method prototype

      public Boolean updateMediaTemplate(MediaTemplateRequest request);

      Parameter description

      Node Name (Keyword)
      Description
      Type
      Required
      bucketName
      Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
      String
      Yes
      templateId
      ID of the template to be modified
      String
      Yes
      Note:
      Other parameters are the same as those of the template creation API as described in Creating Animated Image Template.

      Response description

      Success: true is returned upon modification success.
      Failure: If an error (such as authentication failure) occurs, the CosClientException or CosServiceException exception will be reported. For more information, see Troubleshooting.

      Sample request

      MediaTemplateRequest request = new MediaTemplateRequest();
      request.setBucketName("examplebucket-1250000000");
      request.setTemplateId("t19c4a60ae1a694621a01f0c7130*****");
      request.setTag("Animation");
      request.setName("updateName");
      request.getContainer().setFormat("gif");
      Boolean aBoolean = client.updateMediaTemplate(request);
      
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