tencent cloud

1. API Description

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

This API is used to change the parameters of a relaying task.
Note: For details about how to use this API, see the StartPublishCdnStream document.

A maximum of 20 requests can be initiated per second for this API.

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.

3. Output Parameters

4. Example

Example1 Changing the audios mixed and the video layout

This example shows you how to change a relaying task to mix the audio and video of Trtc_User_0 and Trtc_User_3.

Input Example

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

{
    "SdkAppId": 1400188366,
    "TaskId": "-m97l2ZU7kOlV5cTRMoU6yoGp2nDYkzbJ13EC4K-4pycoZXVv+XVrNoUXQ8++8Z2PwUlAQ..",
    "SequenceNumber": 20,
    "WithTranscoding": 1,
    "AudioParams": {
        "SubscribeAudioList": [
            {
                "UserInfo": {
                    "RoomId": "48111",
                    "RoomIdType": 0,
                    "UserId": "Trtc_User_0"
                }
            },
            {
                "UserInfo": {
                    "RoomId": "48111",
                    "RoomIdType": 0,
                    "UserId": "Trtc_User_3"
                }
            }
        ]
    },
    "VideoParams": {
        "LayoutParams": {
            "MixLayoutMode": 4,
            "MixLayoutList": [
                {
                    "UserMediaStream": {
                        "UserInfo": {
                            "RoomId": "48111",
                            "RoomIdType": 0,
                            "UserId": "Trtc_User_3"
                        },
                        "StreamType": 0
                    },
                    "ImageWidth": 640,
                    "ImageHeight": 720,
                    "LocationX": 0,
                    "LocationY": 0,
                    "ZOrder": 0,
                    "RenderMode": 0
                },
                {
                    "UserMediaStream": {
                        "UserInfo": {
                            "RoomId": "48111",
                            "RoomIdType": 0,
                            "UserId": "Trtc_User_0"
                        },
                        "StreamType": 0
                    },
                    "ImageWidth": 640,
                    "ImageHeight": 720,
                    "LocationX": 640,
                    "LocationY": 360,
                    "ZOrder": 0,
                    "RenderMode": 0
                }
            ]
        }
    }
}

Output Example

{
    "Response": {
        "RequestId": "71993312-6ab8-4768-9124-118e0a20c45f",
        "TaskId": "xxxx"
    }
}

Example2 Changing the relaying parameters

This example shows you how to change relaying parameters.

Input Example

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

{
    "SdkAppId": 1400188366,
    "TaskId": "-m97l2ZU7kOlV5cTRMoU6yoGp2nDYkzbJ13EC4K-4pycoZXVv+XVrNoUXQ8++8Z2PwUlAQ..",
    "SequenceNumber": 20,
    "WithTranscoding": 1,
    "PublishCdnParams": [
        {
            "IsTencentCdn": 1,
            "PublishCdnUrl": "rtmp://3891.livepush.myqcloud.com/live/trtc_publishcdn_test2?bizid=3891&txSecret=23aeb6ec16fd275af0d00a447b2282f7&txTime=62635BDE"
        }
    ]
}

Output Example

{
    "Response": {
        "RequestId": "71993312-6ab8-4768-9124-118e0a20c45f",
        "TaskId": "xxxx"
    }
}

5. Developer Resources

SDK

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

• Tencent Cloud SDK 3.0 for Python
• Tencent Cloud SDK 3.0 for Java
• Tencent Cloud SDK 3.0 for PHP
• Tencent Cloud SDK 3.0 for Go
• Tencent Cloud SDK 3.0 for Node.js
• Tencent Cloud SDK 3.0 for .NET
• Tencent Cloud SDK 3.0 for C++

Command Line Interface

• Tencent Cloud CLI 3.0

6. Error Code

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