Quick Look

• Architecture and Solutions
• Interactive Live Streaming
• Concepts
• Use Cases

Billing

You may be charged the following costs for using the MLVB SDK.

Cost Item	Documentation
License to use the MLVB SDK	MLVB License Fee
Costs of other Tencent Cloud services used	Cloud Streaming Services
	Instant Streaming
	Video on Demand

Note：

To use the MLVB SDK, you must activate CSS.

Development Support

Trying the demo

You can use the Cloud Video Toolkit app provided by Tencent Cloud to try out the MLVB SDK.

Obtaining a license

A license allows you to unlock features of the MLVB SDK on iOS and Android. For instructions on how to obtain one, please see:

• Applying for a Trial License
• Purchasing an Official License

Note：

To learn about the licenses required to use different editions of the SDK, please see SDK and license.

Downloading the SDK

We provide three editions of the MLVB SDK currently: LiteAV_Smart, Professional, and Enterprise. You can unlock their live streaming features with MLVB SDK licenses.

Edition	Description
LiteAV_Smart	With a LiteAV_Smart license, you can use features including publishing, playback, and basic beauty filters (skin brightening and smoothing).
Professional	The Professional edition integrates multiple audio/video services of Tencent Cloud. Other than the support for LEB, it offers the same MLVB features as LiteAV_Smart, but it is free of the duplicate symbol issue that may arise if you integrate multiple audio/video SDKs. You can use the MLVB features of the Professional edition with a LiteAV_Smart license, but to use the features of other Tencent Cloud services, you need to activate the services first.

Note：

For details on the features supported by different SDK editions, please see Features.

Best Practice

Practice	Documentation
Integrating the MLVB SDK into your project	SDK Integration
Encoding and publishing the video and audio captured by the camera and mic	Publishing from Camera
Streaming the host’s screen plus the camera preview	Publishing from Screen
Playing published video in real time	Playback
Using the web superplayer TCPlayerLite for playback on mobile and desktop browsers	Web (H5) player
Creating a room and connecting mic with others	Mic Connect
Setting video quality	Setting Video Quality
Viewing statistics on publishing and playback status	Viewing SDK Performance Statistics
Recording and archiving live streaming sessions	Recording and Replay
Playing at lower latency	LEB Playback

Note：

• For details about the APIs for different features, please see API Documentation > iOS and API Documentation > Android.
• If an error occurs during your use of the SDK, you can refer to Error Codes to troubleshoot the problem.

FAQs

• What publishing protocols does MLVB support?
• Is there an upper limit on the number of concurrent viewers?
• I recorded live streams. How can I get the recording files?
• Do I have to purchase an MLVB license?
• Can I use a LiteAV_Smart license to stream on Mini Program?
• How do I reduce latency?
• What do I do if publishing fails?
• What do I do if playback fails?
• How do I fix video stutter?
• How do I generate UserSig?

Note：

For more Q&As, please see FAQs.

Feedback and Suggestion

You can ask us questions about MLVB via the following channels.

• If your question is about documents, for example, the content or a link in the documents, click Send Feedback in the bottom right of a document to provide your feedback.
• If you have questions about the product, please submit a ticket.