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Tencent Real-Time Communication
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    Overview

    Last updated: 2024-03-07 15:33:58
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      API OVERVIEW

      Create Instance And Event Callback

      FuncList
      DESC
      Create TRTCCloud instance (singleton mode)
      Terminate TRTCCloud instance (singleton mode)
      Add TRTC event callback
      Remove TRTC event callback

      Room APIs

      FuncList
      DESC
      Enter room
      Exit room
      Switch role
      Switch room
      Request cross-room call
      Exit cross-room call
      Set subscription mode (which must be set before room entry for it to take effect)
      Create room subinstance (for concurrent multi-room listen/watch)
      Terminate room subinstance
      

      CDN APIs

      FuncList
      DESC
      Start publishing audio/video streams to Tencent Cloud CSS CDN
      Stop publishing audio/video streams to Tencent Cloud CSS CDN
      Start publishing audio/video streams to non-Tencent Cloud CDN
      Stop publishing audio/video streams to non-Tencent Cloud CDN
      Set the layout and transcoding parameters of On-Cloud MixTranscoding
      Publish a stream
      Modify publishing parameters
      Stop publishing

      Video APIs

      FuncList
      DESC
      Enable the preview image of local camera (mobile)
      Update the preview image of local camera
      Stop camera preview
      Pause/Resume publishing local video stream
      Set placeholder image during local video pause
      Subscribe to remote user's video stream and bind video rendering control
      Update remote user's video rendering control
      Stop subscribing to remote user's video stream and release rendering control
      Stop subscribing to all remote users' video streams and release all rendering resources
      Pause/Resume subscribing to remote user's video stream
      Pause/Resume subscribing to all remote users' video streams
      Set the encoding parameters of video encoder
      Set network quality control parameters
      Set the rendering parameters of local video image
      Set the rendering mode of remote video image
      Enable dual-channel encoding mode with big and small images
      Switch the big/small image of specified remote user
      Screencapture video
      Set the adaptation mode of gravity sensing (version 11.7 and above)

      Audio APIs

      FuncList
      DESC
      Enable local audio capturing and publishing
      Stop local audio capturing and publishing
      Pause/Resume publishing local audio stream
      Pause/Resume playing back remote audio stream
      Pause/Resume playing back all remote users' audio streams
      Set the audio playback volume of remote user
      Set the capturing volume of local audio
      Get the capturing volume of local audio
      Set the playback volume of remote audio
      Get the playback volume of remote audio
      Enable volume reminder
      Start audio recording
      Stop audio recording
      Start local media recording
      Stop local media recording
      Set the parallel strategy of remote audio streams
      Enable 3D spatial effect
      Update self position and orientation for 3D spatial effect
      Update the specified remote user's position for 3D spatial effect
      Set the maximum 3D spatial attenuation range for userId's audio stream

      Device management APIs

      FuncList
      DESC
      Get device management class (TXDeviceManager)

      Beauty filter and watermark APIs

      FuncList
      DESC
      Set special effects such as beauty, brightening, and rosy skin filters
      Add watermark

      Background music and sound effect APIs

      FuncList
      DESC
      Get sound effect management class (TXAudioEffectManager)
      Enable system audio capturing(iOS not supported)
      Stop system audio capturing(iOS not supported)
      Set the volume of system audio capturing

      Screen sharing APIs

      FuncList
      DESC
      Start screen sharing
      Stop screen sharing
      Pause screen sharing
      Resume screen sharing
      Enumerate shareable screens and windows (for desktop systems only)
      Select the screen or window to share (for desktop systems only)
      Set the video encoding parameters of screen sharing (i.e., substream) (for desktop and mobile systems)
      Set the audio mixing volume of screen sharing (for desktop systems only)
      Add specified windows to the exclusion list of screen sharing (for desktop systems only)
      Remove specified windows from the exclusion list of screen sharing (for desktop systems only)
      Remove all windows from the exclusion list of screen sharing (for desktop systems only)
      Add specified windows to the inclusion list of screen sharing (for desktop systems only)
      Remove specified windows from the inclusion list of screen sharing (for desktop systems only)
      Remove all windows from the inclusion list of screen sharing (for desktop systems only)

      Custom capturing and rendering APIs

      FuncList
      DESC
      Enable/Disable custom video capturing mode
      Deliver captured video frames to SDK
      Enable custom audio capturing mode
      Deliver captured audio data to SDK
      Enable/Disable custom audio track
      Mix custom audio track into SDK
      Set the publish volume and playback volume of mixed custom audio track
      Generate custom capturing timestamp
      .1 Enable third-party beauty filters in video
      .2 Set video data callback for third-party beauty filters
      Set the callback of custom rendering for local video
      Set the callback of custom rendering for remote video
      Set custom audio data callback
      Set the callback format of audio frames captured by local mic
      Set the callback format of preprocessed local audio frames
      Set the callback format of audio frames to be played back by system
      Enabling custom audio playback
      Getting playable audio data

      Custom message sending APIs

      FuncList
      DESC
      Use UDP channel to send custom message to all users in room
      Use SEI channel to send custom message to all users in room

      Network test APIs

      FuncList
      DESC
      Start network speed test (used before room entry)
      Stop network speed test

      Debugging APIs

      FuncList
      DESC
      Get SDK version information
      Set log output level
      Enable/Disable console log printing
      Enable/Disable local log compression
      Set local log storage path
      Set log callback
      Display dashboard
      Call experimental APIs

      Encrypted interface

      FuncList
      DESC
      Enable or disable private encryption of media streams

      Error and warning events

      FuncList
      DESC
      Error event callback
      Warning event callback

      Room event callback

      FuncList
      DESC
      Whether room entry is successful
      Room exit
      Role switching
      Result of room switching
      Result of requesting cross-room call
      Result of ending cross-room call
      Result of changing the upstream capability of the cross-room anchor

      User event callback

      FuncList
      DESC
      A user entered the room
      A user exited the room
      A remote user published/unpublished primary stream video
      A remote user published/unpublished substream video
      A remote user published/unpublished audio
      The SDK started rendering the first video frame of the local or a remote user
      The SDK started playing the first audio frame of a remote user
      The first local video frame was published
      The first local audio frame was published
      Change of remote video status
      Change of remote audio status
      Change of remote video size

      Callback of statistics on network and technical metrics

      FuncList
      DESC
      Real-time network quality statistics
      Real-time statistics on technical metrics
      Callback of network speed test

      Callback of connection to the cloud

      FuncList
      DESC
      The SDK was disconnected from the cloud
      The SDK is reconnecting to the cloud
      The SDK is reconnected to the cloud

      Callback of hardware events

      FuncList
      DESC
      The camera is ready
      The mic is ready
      Volume
      The status of a local device changed (for desktop OS only)
      The capturing volume of the mic changed
      The playback volume changed
      Whether system audio capturing is enabled successfully (for macOS only)
      Volume during mic test
      Volume during speaker test

      Callback of the receipt of a custom message

      FuncList
      DESC
      Receipt of custom message
      Loss of custom message
      Receipt of SEI message

      CDN event callback

      FuncList
      DESC
      Started publishing to Tencent Cloud CSS CDN
      Stopped publishing to Tencent Cloud CSS CDN
      Started publishing to non-Tencent Cloud’s live streaming CDN
      Stopped publishing to non-Tencent Cloud’s live streaming CDN
      Set the layout and transcoding parameters for On-Cloud MixTranscoding
      Callback for starting to publish
      Callback for modifying publishing parameters
      Callback for stopping publishing
      Callback for change of RTMP/RTMPS publishing status

      Screen sharing event callback

      FuncList
      DESC
      Screen sharing started
      Screen sharing was paused
      Screen sharing was resumed
      Screen sharing stopped
      The shared window was covered (for Windows only)

      Callback of local recording and screenshot events

      FuncList
      DESC
      Local recording started
      Local media is being recorded
      Record fragment finished.
      Local recording stopped
      Finished taking a local screenshot

      Disused callbacks

      FuncList
      DESC
      An anchor entered the room (disused)
      An anchor left the room (disused)
      Audio effects ended (disused)
      Started playing background music (disused)
      Playback progress of background music (disused)
      Background music stopped (disused)
      Result of server speed testing (disused)

      Callback of custom video processing

      FuncList
      DESC
      Custom video rendering
      An OpenGL context was created in the SDK.
      Video processing by third-party beauty filters
      The OpenGL context in the SDK was destroyed

      Callback of custom audio processing

      FuncList
      DESC
      Audio data captured by the local mic and pre-processed by the audio module
      Audio data captured by the local mic, pre-processed by the audio module, effect-processed and BGM-mixed
      Audio data of each remote user before audio mixing
      Data mixed from each channel before being submitted to the system for playback

      Other event callbacks

      FuncList
      DESC
      Printing of local log

      Background music preload event callback

      FuncList
      DESC
      Background music preload progress
      Background music preload error

      Callback of playing background music

      FuncList
      DESC
      Background music started.
      Playback progress of background music
      Background music ended

      Voice effect APIs

      FuncList
      DESC
      Enabling in-ear monitoring
      Setting in-ear monitoring volume
      Setting voice reverb effects
      Setting voice changing effects
      Setting speech volume
      Setting speech pitch

      Background music APIs

      FuncList
      DESC
      Setting the background music callback
      Starting background music
      Stopping background music
      Pausing background music
      Resuming background music
      Setting the local and remote playback volume of background music
      Setting the remote playback volume of a specific music track
      Setting the local playback volume of a specific music track
      Adjusting the pitch of background music
      Changing the speed of background music
      Getting the playback progress (ms) of background music
      Getting the total length (ms) of background music
      Setting the playback progress (ms) of background music
      Adjust the speed change effect of the scratch disc
      Setting music preload callback
      Preload background music
      Get the number of tracks of background music
      Specify the playback track of background music

      Device APIs

      FuncList
      DESC
      Querying whether the front camera is being used
      Switching to the front/rear camera (for mobile OS)
      Getting the maximum zoom ratio of the camera (for mobile OS)
      Setting the camera zoom ratio (for mobile OS)
      Querying whether automatic face detection is supported (for mobile OS)
      Enabling auto focus (for mobile OS)
      Adjusting the focus (for mobile OS)
      Enabling/Disabling flash, i.e., the torch mode (for mobile OS)
      Setting the audio route (for mobile OS)
      Getting the device list (for desktop OS)
      Setting the device to use (for desktop OS)
      Getting the device currently in use (for desktop OS)
      Setting the volume of the current device (for desktop OS)
      Getting the volume of the current device (for desktop OS)
      Muting the current device (for desktop OS)
      Querying whether the current device is muted (for desktop OS)
      Set the audio device used by SDK to follow the system default device (for desktop OS)
      Starting camera testing (for desktop OS)
      Ending camera testing (for desktop OS)
      Starting mic testing (for desktop OS)
      Ending mic testing (for desktop OS)
      Starting speaker testing (for desktop OS)
      Ending speaker testing (for desktop OS)
      Setting the volume of the current process in the volume mixer (for Windows)
      Getting the volume of the current process in the volume mixer (for Windows)
      Muting the current process in the volume mixer (for Windows)
      Querying whether the current process is muted in the volume mixer (for Windows)
      Set camera acquisition preferences
      set onDeviceChanged callback

      Disused APIs

      FuncList
      DESC
      Setting the system volume type (for mobile OS)

      Disused APIs

      FuncList
      DESC
      Enable volume reminder
      Set sound quality
      Start displaying remote video image
      Stop displaying remote video image and pulling the video data stream of remote user
      Set the rendering mode of local image
      Set the clockwise rotation angle of local image
      Set the mirror mode of local camera's preview image
      Set the fill mode of substream image
      Set the clockwise rotation angle of remote image
      Start displaying the substream image of remote user
      Stop displaying the substream image of remote user
      Set the fill mode of substream image
      Set the clockwise rotation angle of substream image
      Set sound quality
      Specify whether to view the big or small image
      Set mic volume
      Start background music
      Stop background music
      Stop background music
      Stop background music
      Get the total length of background music in ms
      Set background music playback progress
      Set background music volume
      Set the local playback volume of background music
      Set the remote playback volume of background music
      Play sound effect
      Set sound effect volume
      Stop sound effect
      Stop all sound effects
      Set the volume of all sound effects
      Pause sound effect
      Pause sound effect
      Enable custom video capturing mode
      Deliver captured video data to SDK
      Pause/Resume publishing local video stream
      Pause/Resume subscribing to remote user's video stream
      Start network speed test (used before room entry)
      Start screen sharing
      Set video data callback for third-party beauty filters
      Get the list of cameras
      Set the camera to be used currently
      Get the currently used camera
      Get the list of mics
      Get the current mic device
      Select the currently used mic
      Get the current mic volume
      Set the current mic volume
      Set the mute status of the current system mic
      Get the mute status of the current system mic
      Get the list of speakers
      Get the currently used speaker
      Set the speaker to use
      Get the current speaker volume
      Set the current speaker volume
      Get the mute status of the current system speaker
      Set whether to mute the current system speaker
      Start camera test
      Start camera test
      Start mic test
      Start mic test
      Start speaker test
      Stop speaker test
      start in-app screen sharing (for iOS 13.0 and above only)
      Set the direction of image output by video encoder
      Set the mirror mode of image output by encoder
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