V2TXLivePusherObserver

Namespaces
	liteav

Data Structures
class	V2TXLivePusherObserver

Detailed Description

Live pusher callback notification.
Some V2TXLivePusher callback notifications can be received, including the pusher status, volume callback, statistics, warnings, and error messages.

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Data Structure Documentation

liteav::V2TXLivePusherObserver

class liteav::V2TXLivePusherObserver

Public Member Functions
virtual	~V2TXLivePusherObserver ()
virtual void	onError (int32_t code, const char *msg, void *extraInfo)
virtual void	onWarning (int32_t code, const char *msg, void *extraInfo)
virtual void	onCaptureFirstAudioFrame ()
virtual void	onCaptureFirstVideoFrame ()
virtual void	onMicrophoneVolumeUpdate (int32_t volume)
virtual void	onPushStatusUpdate (V2TXLivePushStatus state, const char *msg, void *extraInfo)
virtual void	onStatisticsUpdate (V2TXLivePusherStatistics statistics)
virtual void	onSnapshotComplete (const char *image, int length, int width, int height, V2TXLivePixelFormat format)
virtual void	onRenderVideoFrame (const V2TXLiveVideoFrame *videoFrame)
virtual int	onProcessVideoFrame (V2TXLiveVideoFrame *srcFrame, V2TXLiveVideoFrame *dstFrame)
virtual void	onScreenCaptureStarted ()
virtual void	onScreenCaptureStoped (int reason)

Constructor & Destructor Documentation

~V2TXLivePusherObserver()

virtual ~V2TXLivePusherObserver ( )

inlinevirtual

Member Function Documentation

onCaptureFirstAudioFrame()

virtual void onCaptureFirstAudioFrame ( )

inlinevirtual

Callback notification indicating that collection of the first audio frame is complete.

onCaptureFirstVideoFrame()

virtual void onCaptureFirstVideoFrame ( )

inlinevirtual

Callback notification indicating that collection of the first video frame is complete.

onError()

virtual void onError ( int32_t  code, const char *  msg, void *  extraInfo  )

inlinevirtual

Live pusher error notification, which is called back when the pusher encounters an error.

Parameters

code	Error code V2TXLiveCode.
msg	Error message.
extraInfo	Extended information.

onMicrophoneVolumeUpdate()

virtual void onMicrophoneVolumeUpdate ( int32_t  volume )

inlinevirtual

Microphone-collected volume callback.

Attention

This callback notification is received after enableVolumeEvaluation is called.

Parameters

volume

Current volume value for collection.

onProcessVideoFrame()

virtual int onProcessVideoFrame ( V2TXLiveVideoFrame *  srcFrame, V2TXLiveVideoFrame *  dstFrame  )

inlinevirtual

Callback of video data for custom pre-processing

Attention

You can call V2TXLivePusher#enableCustomVideoProcess to enable/disable custom video pre-processing. Only the YUV420 format is supported on Windows currently.

Parameters

srcFrame	Used to carry images captured by SDK via the camera
dstFrame	Used to receive video images processed by third-party beauty filters

onPushStatusUpdate()

virtual void onPushStatusUpdate ( V2TXLivePushStatus  state, const char *  msg, void *  extraInfo  )

inlinevirtual

Callback notification of the pusher connection status.

Parameters

status	Pusher connection status V2TXLivePushStatus .
msg	Connection status message.
extraInfo	Extended information.

onRenderVideoFrame()

virtual void onRenderVideoFrame ( const V2TXLiveVideoFrame *  videoFrame )

inlinevirtual

Custom video rendering callback

Attention

You will receive this callback after calling enableCustomVideoRender to enable local custom video rendering.

Parameters

videoFrame

Video frames to be renderedV2TXLiveVideoFrame

onScreenCaptureStarted()

virtual void onScreenCaptureStarted ( )

inlinevirtual

The SDK returns this callback when you call startScreenCapture and other APIs to start screen sharing.

onScreenCaptureStoped()

virtual void onScreenCaptureStoped ( int  reason )

inlinevirtual

The SDK returns this callback when you call stopScreenCapture to stop screen sharing.

Parameters

reason

Reason. 0: the user stopped screen sharing; 1: screen sharing stopped because the shared window was closed.

onSnapshotComplete()

virtual void onSnapshotComplete ( const char *  image, int  length, int  width, int  height, V2TXLivePixelFormat  format  )

inlinevirtual

Screenshot callback

Attention

This callback notification will be received after calling V2TXLivePusher#snapshot() .

Parameters

image	Screenshot data. If it is nullptr, it indicates that the SDK failed to take the screenshot.
length	Screenshot data length. In BGRA32 format, length = width * height * 4.
width	Screenshot width
height	Screenshot height
format	Screenshot data format. Only TRTCVideoPixelFormat_BGRA32 is supported now.

onStatisticsUpdate()

virtual void onStatisticsUpdate ( V2TXLivePusherStatistics  statistics )

inlinevirtual

Live pusher statistics callback.

Parameters

statistics

Pusher statistics V2TXLivePusherStatistics .

onWarning()

virtual void onWarning ( int32_t  code, const char *  msg, void *  extraInfo  )

inlinevirtual

Live pusher warning notification.

Parameters

code	Warning code V2TXLiveCode.
msg	Warning message.
extraInfo	Extended information.