Advanced features

ApsaraVideo Real-time Communication (ARTC) SDK provides advanced features for media encoding, device management, communication control, and audio effects.

Category	Feature	Description
Media stream encoding and processing	Configure and control video	Configure various video encoding properties.
	Set audio encoding mode and scene mode	Configure audio encoding modes and scene-specific audio profiles.
	Implement screen sharing	Share your screen on Windows, iOS, and Android devices.
	Custom video capture	Capture video from custom sources and manage video devices.
	Custom video rendering	Process and play back video with custom rendering modules.
	Raw video data processing	Retrieve and process video data from the SDK through video observers.
	Custom audio capture	Capture audio from custom sources and manage audio devices.
	Custom audio playback	Process and play back audio with a custom playback module.
	Play and push external audio inputs	Play back and ingest external audio inputs locally.
Device and routing management	Pre-call device test	Test devices before a call to identify and resolve issues in advance.
	Test network quality before a call	Test local network quality before joining a channel.
	Manage video capture devices	List video input and output devices on platforms such as iOS, Android, and Windows, and retrieve details such as device names and IDs.
	Configure audio routing	Customize the audio playback device for your specific scenarios.
Communication and connection management	Cross-channel subscription	Communicate across different channels.
	Manage channel connection states	Monitor channel connection states, understand reasons for state changes, and handle transitions with appropriate methods.
	Automatic stream ingest and pulling	Implement audio and video streaming by calling interfaces for joining a channel, leaving a channel, and switching roles.
Data transmission and sound effects	Send and receive SEI messages	Send custom messages from ARTC to ApsaraVideo Live or third-party live streaming platforms.
	Custom Message Sending and Receiving	Send custom real-time messages alongside audio and video data.
	Configure voice change, reverberation, and voice beautification	Apply built-in audio effects such as voice changing, reverberation, and voice beautification during real-time communication.