1. API Description

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

This API is used to create a general stream mix. It can be used basically in the same way as the legacy mix_streamv2.start_mix_stream_advanced API.
Note: currently, up to 16 streams can be mixed.
Best practice: https://intl.cloud.tencent.com/document/product/267/45566?from_cn_redirect=1

A maximum of 200 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.
This document describes the parameters for Signature V1. It's recommended to use the V3 signature, which provides higher security. Note that for Signature V3, the common parameters need to be placed in the HTTP Header. See details.

3. Output Parameters

4. Example

Example1 Applying for stream mix — using template 40

This example shows you how to use a preset stream mix template to mix streams.

Input Example

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

{
    "MixStreamTemplateId": 40,
    "MixStreamSessionId": "test_room",
    "InputStreamList": [
        {
            "LayoutParams": {
                "ImageLayer": 1
            },
            "InputStreamName": "test_stream1"
        },
        {
            "LayoutParams": {
                "ImageLayer": 2
            },
            "InputStreamName": "test_stream2"
        }
    ],
    "OutputParams": {
        "OutputStreamName": "test_stream1"
    }
}

Output Example

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

Example2 Applying for stream mix — using custom layout parameters

This example shows you how to use a custom layout.

Input Example

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

{
    "InputStreamList": [
        {
            "LayoutParams": {
                "ImageLayer": 1,
                "ImageHeight": 720,
                "ImageWidth": 1280
            },
            "InputStreamName": "test_stream1"
        },
        {
            "LayoutParams": {
                "ImageLayer": 2,
                "ImageHeight": 320,
                "ImageWidth": 240,
                "LocationX": 100,
                "LocationY": 100
            },
            "InputStreamName": "test_stream2"
        }
    ],
    "OutputParams": {
        "OutputStreamName": "test_stream1"
    },
    "MixStreamSessionId": "test_room"
}

Output Example

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

Example3 Applying for stream mix — using cropping parameters

This example shows you how to use cropping parameters.

Input Example

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

{
    "InputStreamList": [
        {
            "LayoutParams": {
                "ImageLayer": 1,
                "ImageHeight": 720,
                "ImageWidth": 1280
            },
            "InputStreamName": "test_stream1"
        },
        {
            "LayoutParams": {
                "ImageLayer": 2,
                "ImageHeight": 320,
                "ImageWidth": 240,
                "LocationX": 100,
                "LocationY": 100
            },
            "InputStreamName": "test_stream2",
            "CropParams": {
                "CropWidth": 240,
                "CropHeight": 320,
                "CropStartLocationX": 100,
                "CropStartLocationY": 100
            }
        }
    ],
    "OutputParams": {
        "OutputStreamName": "test_stream1"
    },
    "MixStreamSessionId": "test_room"
}

Output Example

{
  "Response": {
    "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.

• 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 NodeJS
• 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.