- f -

• faceRuddyStrength : NERtcBeauty
• faceSharpenStrength : NERtcBeauty
• filePath : NERtcAudioRecordingConfiguration
• filterStrength : NERtcBeauty
• flipX : NERtcBeauty
• fontColor : NERtcTextWatermarkConfig , NERtcTimestampWatermarkConfig , NERtcVideoWatermarkTextConfig , NERtcVideoWatermarkTimestampConfig
• fontPath : NERtcVideoWatermarkTextConfig , NERtcVideoWatermarkTimestampConfig
• fontSize : NERtcTextWatermarkConfig , NERtcTimestampWatermarkConfig , NERtcVideoWatermarkTextConfig , NERtcVideoWatermarkTimestampConfig
• foreheadWrinklesStrength : NERtcBeauty
• format : NERtcAudioFrame , NERtcVideoFrame
• fps : NERtcImageWatermarkConfig , NERtcVideoLayerRecvStats , NERtcVideoWatermarkImageConfig
• frame : NERtcImageWatermarkConfig , NERtcTextWatermarkConfig , NERtcTimestampWatermarkConfig
• frameRate : NERtcBaseVideoEncodeConfiguration
• frameType : NERtcVideoEncodedFrame
• frozenRate : NERtcAudioLayerRecvStats , NERtcVideoLayerRecvStats