Error Codes

onError
The SDK encountered a severe error (for example, invalid license or API call failure) that makes it impossible for stream publishing to continue.
Note: 
Video encoding failure does not affect publishing. The SDK will handle the issue automatically to ensure successful encoding of subsequent frames.
Error Code
Event
Description
0
V2TXLIVE_OK
No error
-1
V2TXLIVE_ERROR_FAILED
A common error not yet classified
-2
V2TXLIVE_ERROR_INVALID_PARAMETER
An invalid parameter was passed to the API.
-3
V2TXLIVE_ERROR_REFUSED
The API call was rejected.
-4
V2TXLIVE_ERROR_NOT_SUPPORTED
The API cannot be called.
-5
V2TXLIVE_ERROR_INVALID_LICENSE
Failed to call the API because the license is invalid. Note: Before calling startLivePlay, you need to call V2TXLivePremier#setLicence to configure the license (you only need to configure the license once). Otherwise, playback will fail (black screen). You can use a live stream publishing license, UGSV license, or video playback license to activate the playback feature. If you don’t have any of the licenses, you can buy one or apply for a trial license for free.
-6
V2TXLIVE_ERROR_REQUEST_TIMEOUT
The request timed out.
-7
V2TXLIVE_ERROR_SERVER_PROCESS_FAILED
The server denied the request.
-8
V2TXLIVE_ERROR_DISCONNECTED
The SDK was disconnected.
-2304
V2TXLIVE_ERROR_NO_AVAILABLE_HEVC_DECODERS
Could not find an available HEVC decoder. This error code indicates that the current device does not support H.265 decoding. Please switch to H.264 for playback.
onWarning
Most warning events trigger protection or recovery logic that involves retries. In most cases, the problems can be fixed by the SDK itself. However, some warning events still need to be handled manually. Warnings serve the purpose of reminding you or your end users that an error occurred.
Error Code
Event
Description
1101
V2TXLIVE_WARNING_NETWORK_BUSY
Bad network connection: Data upload blocked due to limited upstream bandwidth.
2105
V2TXLIVE_WARNING_VIDEO_BLOCK
Stuttering during video playback.
-1301
V2TXLIVE_WARNING_CAMERA_START_FAILED
Failed to turn the camera on.
-1316
V2TXLIVE_WARNING_CAMERA_OCCUPIED
The camera is occupied. Try a different camera.
-1314
V2TXLIVE_WARNING_CAMERA_NO_PERMISSION
No access to the camera. This usually occurs on mobile devices and may be because the user denied the access.
-1302
V2TXLIVE_WARNING_MICROPHONE_START_FAILED
Failed to turn the mic on.
-1319
V2TXLIVE_WARNING_MICROPHONE_OCCUPIED
The mic is occupied. This occurs when, for example, the user is having a call on the mobile device.
-1317
V2TXLIVE_WARNING_MICROPHONE_NO_PERMISSION
No access to the mic. This usually occurs on mobile devices and may be because the user denied the access.
-1309
V2TXLIVE_WARNING_SCREEN_CAPTURE_NOT_SUPPORTED
The system does not support screen sharing.
-1308
V2TXLIVE_WARNING_SCREEN_CAPTURE_START_FAILED
Failed to start screen recording. If this occurs on a mobile device, it may be because the user denied the access.
-7001
V2TXLIVE_WARNING_SCREEN_CAPTURE_INTERRUPTED
Screen recording was stopped by the system.

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Error Code	Event	Description
0	V2TXLIVE_OK	No error
-1	V2TXLIVE_ERROR_FAILED	A common error not yet classified
-2	V2TXLIVE_ERROR_INVALID_PARAMETER	An invalid parameter was passed to the API.
-3	V2TXLIVE_ERROR_REFUSED	The API call was rejected.
-4	V2TXLIVE_ERROR_NOT_SUPPORTED	The API cannot be called.
-5	V2TXLIVE_ERROR_INVALID_LICENSE	Failed to call the API because the license is invalid. Note: Before calling `startLivePlay`, you need to call `V2TXLivePremier#setLicence` to configure the license (you only need to configure the license once). Otherwise, playback will fail (black screen). You can use a live stream publishing license, UGSV license, or video playback license to activate the playback feature. If you don’t have any of the licenses, you can buy one or apply for a trial license for free.
-6	V2TXLIVE_ERROR_REQUEST_TIMEOUT	The request timed out.
-7	V2TXLIVE_ERROR_SERVER_PROCESS_FAILED	The server denied the request.
-8	V2TXLIVE_ERROR_DISCONNECTED	The SDK was disconnected.
-2304	V2TXLIVE_ERROR_NO_AVAILABLE_HEVC_DECODERS	Could not find an available HEVC decoder. This error code indicates that the current device does not support H.265 decoding. Please switch to H.264 for playback.

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