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V2TXLivePusherObserver
Last updated: 2022-10-13 11:40:07
V2TXLivePusherObserver
Last updated: 2022-10-13 11:40:07
Overview
Callback notifications for live stream publishing
Features
You can use V2TXLivePusherObserver to receive notifications about V2TXLivePusher, including publisher connection status, first audio/video frame, statistics, and warning and error messages.

Basic Callback APIs

onError

Callback for error. This callback is triggered when the publisher encounters an error.
public void onError(int code, String msg, Bundle extraInfo)

Parameters

Parameter
Type
Description
code
int
Error code
msg
String
Error message
extraInfo
Bundle
Extra information

onWarning

Callback for warning.
public void onWarning(int code, String msg, Bundle extraInfo)

Parameters

Parameter
Type
Description
code
int
Warning code
msg
String
Warning message
extraInfo
Bundle
Extra information

Video Callback APIs

onPushStatusUpdate

Callback of the publisher’s connection status.
public void onPushStatusUpdate(V2TXLivePushStatus status, String msg, Bundle extraInfo)

Parameters

Parameter
Type
Description
status
V2TXLivePushStatus
Status code
msg
String
Status message
extraInfo
Bundle
Extra information

V2TXLivePushStatus enumerated values

Value
Description
V2TXLivePushStatusDisconnected
Disconnected from the server
V2TXLivePushStatusConnecting
Connecting to the server
V2TXLivePushStatusConnectSuccess
Connected to the server
V2TXLivePushStatusReconnecting
Reconnecting to the server

onSnapshotComplete

Callback for a screenshot taken.
public void onSnapshotComplete(Bitmap image)

Parameters

Parameter
Type
Description
image
Bitmap *
The video image captured

onProcessVideoFrame

Callback for custom video processing.
Note:
You will receive this callback after you call V2TXLivePusher#enableCustomVideoProcess(boolean, V2TXLiveDef.V2TXLivePixelFormat, V2TXLiveDef.V2TXLiveBufferType) to enable custom video processing.
public void onProcessVideoFrame(V2TXLiveVideoFrame srcFrame, V2TXLiveVideoFrame dstFrame)

Parameters

Parameter
Type
Description
srcFrame
V2TXLiveVideoFrame
Images before processing
dstFrame
V2TXLiveVideoFrame
Images after processing

onGLContextCreated

Callback for a GL context for custom video processing being created.
public void onGLContextCreated()

onGLContextDestroyed

Callback for a GL context for custom video processing being destroyed.
public void onGLContextDestroyed()

onCaptureFirstVideoFrame

Callback for capturing the first video frame.
public void onCaptureFirstVideoFrame()

Audio Callback APIs

onCaptureFirstAudioFrame

Callback for capturing the first audio frame.
public void onCaptureFirstAudioFrame()

onMicrophoneVolumeUpdate

Callback of mic capturing volume.
public void onMicrophoneVolumeUpdate(int volume)

Statistics Callback API

onStatisticsUpdate

Callback of publisher statistics.
public void onStatisticsUpdate(V2TXLivePusherStatistics statistics)

Parameters

Parameter
Type
Description
statistics
V2TXLivePusherStatistics
Publisher statistics

MixTranscoding Callback API

onSetMixTranscodingConfig

Callback for setting On-Cloud MixTranscoding parameters.
Note:
You will receive this callback after you call V2TXLivePusher#setMixTranscodingConfig(V2TXLiveDef.V2TXLiveTranscodingConfig) to set On-Cloud MixTranscoding parameters.
public void onSetMixTranscodingConfig(int code, String msg)
Parameter
Type
Description
code
int
0: successful; other values: failed
msg
String
Error message
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