هذه الصفحة غير متوفرة حاليًا بلغتك المحلية. نحن نعمل جاهدين على إضافة المزيد من اللغات. شاكرين تفهمك ودعمك المستمر لنا.
- What's New
- Product Bulletin
- Service Overview
- Getting Started
- Best Practices
- User Guide
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- Examples
- OBS Bucket Management
- Application callback management
- Single stream recording job management
- Application management
- Automatic recording configuration
- Room management
- Mixed stream recording job management
- Recording rule management
-
Statistical Analysis
- Listing Rooms
- Listing Users
- Querying Real-Time Scale Data
- Querying Real-Time Scale Data Distribution
- Querying Real-Time Quality Data
- Querying Real-Time Network Data
- Querying Usage
- Querying Historical Scale Data
- Querying Historical Quality Data
- Querying User Call Indicators
- Querying Details
- Querying User Experience Exception Events (RCMS Service)
- Queries abnormal user experience events.
- Queries the distribution of users with abnormal events.
- Appendix
- Change History
-
SDK Reference
- Before You Start
- SDK Overview
-
Web SDK
- Browser Adaptation
- Preparations
- SDK Usage
- Basic Usage Logic
-
API Reference
- Main Entry (HRTC)
- Client Object (Client)
- Client Event Notification (ClientEvent)
- Stream Object (Stream)
- Local Stream Object (LocalStream)
- Remote Stream Object (RemoteStream)
- Stream Event Notification (RTCStreamEvent)
- Error Code (RtcError)
- Error Codes Reported on the Client
- Server Error Codes
- Granting the Permissions of Accessing Cameras or Microphones to a Browser
- FAQ
- Change History
- Access Authentication
- Appendix
-
FAQs
-
About SparkRTC
- What Is SparkRTC?
- What Are the Differences Between Real-Time Audio and Video and Livestreaming?
- Can SparkRTC Be Used Outside China?
- What Is SparkRTC RoomID and How Can I Name One?
- How Many Rooms Can Be Created in SparkRTC at Most at a Time?
- What Is SparkRTC UserID and How Can I Name One?
- What Are the Roles of SparkRTC?
- How Many Participants Are Allowed by SparkRTC in a Video Call?
- What Is the Latency of SparkRTC?
- Does SparkRTC Support Co-Hosting?
- Does SparkRTC Support Bidirectional Desktop Stream Push?
- Does SparkRTC Support Private Deployment?
- Does SparkRTC Support USB Cameras on PCs?
-
Billing
- When I Subscribe to SparkRTC Video and Audio Services, Is the Video Charged by Resolution Plus the Audio Charge?
- Does the Billing Vary with Bitrates When There Are Only Audios?
- How Do I View Bills and Fee Deduction Details?
- Can I Use the Postpaid Billing Mode?
- Why Am I Charged Even When There Is Only One Person in the Room and There Is No Audio/video Call?
- Signature
- Recording
-
SDK Usage
- Is Video Snapshot Capturing Supported?
- How Do I Create a Room?
- Why Can't the SparkRTC Apps Running on Two Mobile Phones Communicate with Each Other?
- How and When Is Authentication Signature Generated?
- Why Does the Program Crash when the onVideoStats, onAudioStatus, or onSubStreamStats Callback Is Triggered?
- Why Can I Hear My Own Voice from the Local Receiver?
- Can I Call setExternalAudioCapture, setExternalVideoCapture, or setExternalMediaFrameOutput After Entering a Room?
- Does SparkRTC Support Video Mirroring?
- How Do I Obtain Data Such as the Uplink and Downlink Bitrates, Resolution, Packet Loss Rate, and Audio Sampling Rate During an Audio/Video Call?
- Can I Set the Call Volume of a Local User? Can I Set the Playback Volume of Each Remote User?
- What Is the Difference Between enableLocalVideo and muteLocalVideo?
- What Is the Difference Between enableLocalAudioStream and muteLocalAudio?
- Does SparkRTC Support Permission Verification for Rooms?
- Does the PC Support Screen Sharing?
- Does SparkRTC Allow Others Users to View a Local Video During Real-Time Communications?
- Can I View Only Real-Time Audio Streams on SparkRTC?
- Can More Than One Presentation Stream Be Shared in a Room?
- Does SparkRTC Support 1080p?
- Can I Play Online Music for Background Music?
- Can I Create N RTC Objects on the Same Page and Log In to N Rooms Using N User IDs?
- Is the Streaming Resolution (Width and Height) on the Web Client Applicable to All Browsers?
- How Do I Clear Data in the Camera List After a Camera Is Removed from the SDK on the Web Client?
- Can the SDK on the Web Client Obtain the Current Volume?
- Can I Receive Notifications on a Web Client When a Remote User Leaves a Room?
- Why Is There Echo, Undesired Sound, Noise, or Low Volume During a Call on the Web Client?
- How Do I Switch to Another Camera or Microphone on the Web Client?
- Does SparkRTC Support the Whiteboard Function?
- Can I Enter Multiple Rooms with the Same User ID?
- How Long Is the Lifecycle of a Room on SparkRTC?
- Can I Use Bluetooth Headsets for Video Calls on SparkRTC?
- Can I Subscribe to Only Audio of 2/3/4 Participants During a Video Call?
- Will the Resolution of the Video Stream Change When the Size of a Specified Shared Window Changes?
- Can I Switch Between the Floating Window and Large and Small Windows During a Video Call?
- Can I Use the API for Sending Customized Messages to Implement Functions Such as Chat Rooms and On-Screen Comments?
- Can I Query All User IDs?
- Why Can't I Call the checkSystemRequirements API in the Web SDK?
-
Troubleshooting
- Why Can't I Hear When Joining a Meeting?
- Why Does Video Freezing Occur?
- What Do I Do If a Black Screen Occurs During Video Playback?
- Why Can't I Use the Camera?
- Why Can't I Join Another Room?
- What Do I Do If No Recording File Is Generated After SparkRTC Enables Cloud Recording?
- Why Can't I Join a Room?
-
About SparkRTC
- General Reference
Show all
Copied.
Functions
HUAWEI CLOUD SparkRTC provides functions such as video calls and interactive co-hosting, as shown in Table 1.
Function |
Description |
Scenario |
---|---|---|
Video call |
One-to-one or multi-party audio call with 720p or higher HD quality. Up to 2000 users can join a room and up to 500 users can interact with each other at the same time. |
One-to-one video call, video conferencing, online diagnosis, multi-participant video chat, video customer service, video and audio recording, and online claim settlement |
Audio call |
One-to-one or multi-participant audio call. Up to 2000 users can join a room and up to 500 users can speak at the same time. |
One-to-one audio call, multi-participant audio call, audio chat, audio conferencing, and voice customer service |
Interactive video livestreaming |
Co-hosting and cross-room streamer competition are supported. |
Ultra-low latency livestreaming, super large class, streamer competition, remote training, and large-scale conferencing |
Interactive audio livestreaming |
Co-hosting and cross-room streamer competition are supported. |
Low latency livestreaming, co-hosting, karaoke, and FM broadcasting |
High-quality audio |
48 kHz sampling rate |
Audio call, video call, interactive livestreaming, high-quality FM, music teaching, karaoke room, and online class |
High-quality image |
720p and 1080p HD video |
Video call, interactive livestreaming, and online class |
Role switch |
Users can switch their roles in a room quickly and smoothly. |
Interactive livestreaming and online class |
Joining multiple rooms |
A streamer can join multiple rooms for competition. |
Live show, co-hosting competition, and super large class |
Screen sharing |
Desktop, window, and rectangular area sharing |
Interactive class, video conferencing, and remote assistance |
3A processing |
The industry-leading 3A algorithms, acoustic echo cancellation (AEC), automatic noise suppression (ANS), and automatic gain control (AGC), provide crystal clear audio quality. |
All audio scenarios |
Volume callback |
SparkRTC provides volume values, which can be displayed as an animated sound wave or prompt. |
Audio call, video call, voice chat room, FM radio, karaoke room, and voice detection |
Cross-room co-hosting |
Streamers can interact with each other across rooms. Viewers can smoothly switch their roles to hosts to speak. |
Co-teaching and streamer competition |
Interactive co-hosting |
Viewers can smoothly switch their roles to hosts to speak. |
Small class and interactive livestreaming |
Cloud recording |
Single and mixed streams are recorded and recordings are stored in OBS or hosted in VOD. |
Storage, recording review, and video and audio recording |
Audio mixing |
Local or online audio files can be mixed with a user's voice in a room. The mixed audio can be sent to other users in the room. |
Online education, chat room, and online chorus |
Livestreaming via CDN |
Audio and video streams in a room are mixed and transcoded to RTMP video streams, which are pushed to Live via Content Delivery Network (CDN) for livestreaming. |
Interactive livestreaming and large-scale conferencing |
Network detection |
The network detection API is used to determine or predict whether the network condition of a user is good. |
- |
Custom video data |
Custom video sources and renderers are supported. Non-camera video sources, such as video files, external devices, and third-party custom data sources, can be used. |
Beauty customization, data source customization, multi-device management, video recognition, and image processing |
Custom audio data |
Developers can collect audio callback data, process raw data, and perform custom operations, such as connecting to non-standard devices and audio files. |
Non-standard device access, custom audio effect, voice processing, and voice recognition |
Platform compatibility |
The web platform is supported. For details about the system requirements, see Constraints. |
- |
Feedback
Was this page helpful?
Provide feedbackThank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.
For any further questions, feel free to contact us through the chatbot.
Chatbot