RTC Engine

Web
- Integration
  - 1.API Examples
  - 2.Importing the SDK
  - 3.Entering a Room
  - 4.Subscribing to Audio/Video Streams
  - 5.Publish Audio/Video Streams
  - 6.Exiting a Room
  - 7.Sensing Network Quality
  - 8.Enabling Screen Sharing
  - 9.Sharing Computer Audio
  - 10.Setting Video Quality
  - 11.Rotating Videos
- Client APIs
  - Overview
  - Error Codes
Android
- Integration
  - 1.API Examples
  - 2.Importing the SDK
  - 3.Entering a Room
  - 4.Subscribing to Audio/Video Streams
  - 5.Publish Audio/Video Streams
  - 6.Exiting a Room
  - 7.Sensing Network Quality
  - 8.Enabling Screen Sharing
  - 9.Setting Video Quality
  - 10.Rotating Videos
- Client APIs
  - Overview
  - TRTCCloud
  - TRTCStatistics
  - TRTCCloudListener
  - TXAudioEffectManager
  - TXBeautyManager
  - TXDeviceManager
  - Type Definition
  - Deprecated Interface
  - Error Codes
iOS
- Integration
  - 1.API Examples
  - 2.Importing the SDK
  - 3.Entering a Room
  - 4.Subscribing to Audio/Video Streams
  - 5.Publish Audio/Video Streams
  - 6.Exiting a Room
  - 7.Sensing Network Quality
  - 8.Enabling Screen Sharing
  - 9.Setting Video Quality
  - 10.Rotating Videos
- Client APIs
  - Overview
  - TRTCCloud
  - TRTCCloudDelegate
  - TRTCStatistics
  - TXAudioEffectManager
  - TXBeautyManager
  - TXDeviceManager
  - Type Definition
  - Deprecated Interface
  - ErrorCode
macOS
- Integration
  - 1.API Examples
  - 2.Importing the SDK
  - 3.Entering a Room
  - 4.Subscribing to Audio/Video Streams
  - 5.Publish Audio/Video Streams
  - 6.Exiting a Room
  - 7.Sensing Network Quality
  - 8.Enabling Screen Sharing
  - 9.Sharing Computer Audio
  - 10.Setting Video Quality
  - 11.Rotating Videos
- Client APIs
  - Overview
  - TRTCCloud
  - TRTCCloudDelegate
  - TRTCStatistics
  - TXAudioEffectManager
  - TXBeautyManager
  - TXDeviceManager
  - Type Definition
  - Deprecated Interface
  - ErrorCode
Windows C++
- Integration
  - 1.API Examples
  - 2.Importing the SDK
  - 3.Entering a Room
  - 4.Subscribing to Audio/Video Streams
  - 5.Publish Audio/Video Streams
  - 6.Exiting a Room
  - 7.Sensing Network Quality
  - 8.Enabling Screen Sharing
  - 9.Setting Video Quality
  - 10.Rotating Videos
- Client APIs
  - Overview
  - ITRTCCloud
  - ITRTCStatistics
  - TRTCCloudCallback
  - ITXAudioEffectManager
  - ITXDeviceManager
  - Type Definition
  - Deprecated Interface
  - Error Codes
Electron
- Integration
  - 1.API Examples
  - 2.Importing the SDK
  - 3.Entering a Room
  - 4.Subscribing to Audio/Video Streams
  - 5.Publish Audio/Video Streams
  - 6.Exiting a Room
  - 7.Sensing Network Quality
  - 8.Enabling Screen Sharing
  - 9.Sharing Computer Audio
  - 10.Setting Video Quality
  - 11.Rotating Videos
- Client APIs
  - Overview
  - Error Codes
Flutter
- Integration
  - 1.API Examples
  - 2.Importing the SDK
  - 3.Entering a Room
  - 4.Subscribing to Audio/Video Streams
  - 5.Publish Audio/Video Streams
  - 6.Exiting a Room
  - 7.Sensing Network Quality
  - 8.Enabling Screen Sharing
  - 9.Sharing Computer Audio
  - 10.Setting Video Quality
  - 11.Rotating Videos
- Client APIs
  - Overview
  - Error Codes
Unity
- Integration
  - 1.API Examples
  - 2Importing the SDK
- Client APIs
  - Overview
  - Error Codes
Qt
- Integration
  - 1.Importing the SDK

RTC Engine

10.Setting Video Quality

This article mainly introduces how to set video properties in video calls or interactive live broadcasts. Developers can adjust the clarity and fluency of the video according to specific business needs to obtain a better user experience. Video properties include resolution, frame rate, and bit rate.
Implementation
Set the video properties through the trtc.startLocalVideo() or trtc.updateLocalVideo() method of the trtc object:
Specify a predefined Profile, each Profile corresponds to a set of recommended resolution, frame rate, and bit rate.
// Specify video properties when starting
await trtc.startLocalVideo({
  option: { profile: '480p' }
});
// Dynamically adjust video properties during the call
await trtc.updateLocalVideo({
  option: { profile: '360p' }
});
Specify custom resolution, frame rate, and bit rate
// Specify video properties when starting
await trtc.startLocalVideo({
  option: { profile: { width: 640, height: 480, frameRate: 15, bitrate: 900 /* kpbs */} }
});
// Dynamically adjust video properties during the call
await trtc.updateLocalVideo({
  option: { profile: { width: 640, height: 360, frameRate: 15, bitrate: 800 /* kpbs */} }
});
Video Property Profile List
Video Profile
Resolution (width x height)
Frame Rate (fps)
Bit Rate (kbps)
120p
160 x 120
15
200
180p
320 x 180
15
350
240p
320 x 240
15
400
360p
640 x 360
15
800
480p
640 x 480
15
900
720p
1280 x 720
15
1500
1080p
1920 x 1080
15
2000
1440p
2560 x 1440
30
4860
4K
3840 x 2160
30
9000
Due to device and browser limitations, the video resolution may not match exactly. In this case, the browser will automatically adjust the resolution to be close to the resolution corresponding to the Profile.

Video Profile	Resolution (width x height)	Frame Rate (fps)	Bit Rate (kbps)
120p	160 x 120	15	200
180p	320 x 180	15	350
240p	320 x 240	15	400
360p	640 x 360	15	800
480p	640 x 480	15	900
720p	1280 x 720	15	1500
1080p	1920 x 1080	15	2000
1440p	2560 x 1440	30	4860
4K	3840 x 2160	30	9000