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Template Operations

Last updated: 2024-02-02 16:51:03

    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 (hgif indicates 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
    (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
    (0, video frame rate)
    Frame sampling frequency for animated images
    Priority: AnimateFramesPerSecond > AnimateOnlyKeepKeyFrame > AnimateTimeIntervalOfFrame
    Quality
    Request.Video
    Relative quality
    String
    No
    None
    [1, 100)
    This parameter is valid 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
    [0, video duration]
    Unit: second
    Supports the float format, accurate to the millisecond.
    Duration
    Request.TimeInterval
    Duration
    String
    No
    Video duration
    [0, video duration]
    Unit: second
    Supports the float format, 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 are valid. If Count is set and TimeInterval is not set, all frames will be captured, and the total number of images captured is specified by Count.
    Average mode: The Start and Count parameters are valid, 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
    [0, video duration]
    Unit: second
    Supports the float format, accurate to the millisecond.
    TimeInterval
    Request.Snapshot
    Screenshot time interval
    String
    No
    None
    (0, 3600]
    Unit: second
    Supports the float format, 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
    [0, video duration]
    Unit: second
    Supports the float format, accurate to the millisecond.
    EndTime
    Request.Watermark
    Watermark end time
    String
    No
    Video end time
    [0, video duration]
    Unit: second
    Supports the float format, 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
    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. 1 indicates to return the transcoding failure message.
    This parameter is valid only when IsCheckReso is true.
    IsCheckVideoBitrate
    Request.TransConfig
    Whether to check the video bitrate
    String
    No
    false
    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. 1 indicates to return the transcoding failure message.
    This parameter is valid only when IsCheckVideoBitrate is true.
    IsCheckAudioBitrate
    Request.TransConfig
    Whether to check the audio bitrate
    String
    No
    false
    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. 1 indicates to return the transcoding failure message.
    This parameter is valid 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 becomes 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
    (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, throwing 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 deleted
    String
    Yes

    Response description

    Success: A boolean type is returned, which is true upon deletion success.
    Failure: An error (such as authentication failure) occurs, throwing the "CosClientException" or "CosServiceException" exception. 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 (default), Official
    String
    No
    ids
    Template ID. If you enter multiple IDs, separate them with commas (,).
    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: An error (such as authentication failure) occurs, throwing the "CosClientException" or "CosServiceException" exception. 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.

    Response description

    Success: true is returned upon modification success.
    Failure: An error (such as authentication failure) occurs, throwing the "CosClientException" or "CosServiceException" exception. 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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