# videoResolutionMode property Null safety

int videoResolutionMode
read / write

Field description: resolution mode (landscape/portrait)

Recommended value: for mobile live streaming, `Portrait` is recommended; for Windows and macOS, `Landscape` is recommended.

Note: if 640x360 resolution is selected for `videoResolution` and `Portrait` is selected for `resMode`, then the final output resolution after encoding will be 360x640.

Default value: TRTCCloudDef.TRTC_VIDEO_RESOLUTION_MODE_PORTRAIT

## Implementation

    int videoResolutionMode;