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CreateLiveTranscodeTemplate

Last updated: 2023-09-06 15:06:29

1. API Description

Domain name for API request: live.tencentcloudapi.com.

This API is used to create a transcoding template. Up to 50 transcoding templates can be created in total. To use a template, you need to call CreateLiveTranscodeRule to bind the template ID returned by this API to a stream.

For more information about transcoding, see Live Remuxing and Transcoding.

A maximum of 200 requests can be initiated per second for this API.

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: CreateLiveTranscodeTemplate.
Version Yes String Common Params. The value used for this API: 2018-08-01.
Region No String Common Params. This parameter is not required for this API.
TemplateName Yes String Template name, such as “900p”. This can be only a combination of letters and digits.
Length limit:
Standard transcoding: 1-10 characters
Top speed codec transcoding: 3-10 characters
VideoBitrate Yes Integer Video bitrate in Kbps. Value range: 100-8000.
Note: the transcoding template requires that the bitrate be unique. Therefore, the final saved bitrate may be different from the input bitrate.
Acodec No String Audio codec. Default value: aac.
Note: this parameter is unsupported now.
AudioBitrate No Integer Audio bitrate. Default value: 0.
Value range: 0-500.
Vcodec No String Video codec. Valid values: h264, h265, origin (default)

origin: original codec as the output codec
Description No String Template description.
NeedVideo No Integer Whether to keep the video. 0: no; 1: yes. Default value: 1.
Width No Integer Width. Default value: 0.
Value range: 0-3000
It must be a multiple of 2. The original width is 0.
NeedAudio No Integer Whether to keep the audio. 0: no; 1: yes. Default value: 1.
Height No Integer Height. Default value: 0
Value range: 0-3000
The value must be a multiple of 2. The original height is 0.
This parameter is required for a top speed codec template (when AiTransCode is 1).
Fps No Integer Frame rate. Default value: 0.
Value range: 0-60
Gop No Integer Keyframe interval in seconds. Default value: original interval
Value range: 2-6
Rotate No Integer Rotation angle. Default value: 0.
Valid values: 0, 90, 180, 270
Profile No String Encoding quality:
baseline/main/high. Default value: baseline.
BitrateToOrig No Integer Whether to use the original bitrate when the set bitrate is larger than the original bitrate.
0: no, 1: yes
Default value: 0.
HeightToOrig No Integer Whether to use the original height when the set height is higher than the original height.
0: no, 1: yes
Default value: 0.
FpsToOrig No Integer Whether to use the original frame rate when the set frame rate is larger than the original frame rate.
0: no, 1: yes
Default value: 0.
AiTransCode No Integer Whether it is a top speed codec template. 0: no, 1: yes. Default value: 0.
AdaptBitratePercent No Float Bitrate compression ratio of top speed codec video.
Target bitrate of top speed code = VideoBitrate * (1-AdaptBitratePercent)

Value range: 0.0-0.5.
ShortEdgeAsHeight No Integer Whether to use the short side as the video height. 0: no, 1: yes. Default value: 0.
DRMType No String The DRM encryption type. Valid values: fairplay, normalaes, widevine.
If you do not pass this parameter or pass in an empty string, the existing configuration will be reset.
DRMTracks No String The tracks to encrypt. Valid values: AUDIO, SD, HD, UHD1, UHD2. You can choose only one video track (SD, HD, UHD1, or UHD2).
If you do not pass this parameter or pass in an empty string, the existing configuration will be reset.

3. Output Parameters

Parameter Name Type Description
TemplateId Integer Template ID.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Creating a transcoding template

This example shows you how to create a transcoding template.

Input Example

POST / HTTP/1.1
Host: live.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: CreateLiveTranscodeTemplate
<Common request parameters>

{
    "Profile": "main",
    "AudioBitrate": "500",
    "Rotate": "0",
    "Description": "test",
    "TemplateName": "900m",
    "VideoBitrate": "900",
    "Vcodec": "h264",
    "Height": "250",
    "Width": "250",
    "NeedAudio": "1",
    "FpsToOrig": "0",
    "Fps": "30",
    "BitrateToOrig": "0",
    "HeightToOrig": "0",
    "NeedVideo": "1",
    "Gop": "3",
    "Acodec": "aac"
}

Output Example

{
    "Response": {
        "TemplateId": 1000,
        "RequestId": "3c140219-cfe9-470e-b241-907877d6fb03"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
FailedOperation.AiTranscodeOptionFail Failed to manipulate the AI API.
FailedOperation.CallOtherSvrFailed Failed to call the internal service.
InternalError Internal error.
InternalError.ArgsNotMatch For the transcoding template adding API.
InternalError.ConfInUsed The template is in use.
InternalError.ConfNotFound The template does not exist.
InternalError.ConfOutLimit The number of templates exceeded the limit.
InternalError.InvalidInput Parameter check failed.
InternalError.NotFound The record does not exist.
InternalError.ProcessorAlreadyExist The transcoding template name already exists.
InternalError.RuleAlreadyExist The rule has already been configured.
InternalError.RuleInUsing The rule is in use.
InternalError.RuleNotFound The rule does not exist.
InvalidParameter Invalid parameter.
InvalidParameter.ArgsNotMatch Incorrect template name.
InvalidParameter.GopMustEqualAndExists The GOP of an adaptive bitrate template is required and must be the same for each stream.
InvalidParameter.ProcessorAlreadyExist
InvalidParameterValue Invalid parameter value.
MissingParameter Parameter missing.
ResourceNotFound.ForbidService You are blocked.
ResourceNotFound.FreezeService Service suspended.
ResourceNotFound.StopService The service has been suspended due to account arrears. Please top up it to a positive balance to activate the service first.
ResourceNotFound.UserDisableService You disabled the service.
UnsupportedOperation.NotLVBCodeMode Not a LVB code/new console mode
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