單項(xiàng)選擇題PLCameraSettingcameraSetting=newPLCameraSetting（）；cameraSetting.setCameraId（PLCameraSetting.CAMERA_FACING_ID.CAMERA_FACING_FRONT）；cameraSetting.setCameraPreviewSizeRatio（PLCameraSetting.CAMERA_PREVIEW_SIZE_RATIO.RATIO_4_3）；cameraSetting.setCameraPreviewSizeLevel（PLCameraSetting.CAMERA_PREVIEW_SIZE_LEVEL.PREVIEW_SIZE_LEVEL_480P）；（）

A.麥克風(fēng)采集選項(xiàng)
B.攝像頭采集選項(xiàng)
C.美顏選項(xiàng)
D.錄制選項(xiàng)


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1.單項(xiàng)選擇題PLMicrophoneSettingmicrophoneSetting=newPLMicrophoneSetting（）；

A.音頻編碼選項(xiàng)
B.麥克風(fēng)采集選項(xiàng)
C.美顏選項(xiàng)
D.錄制選項(xiàng)

3.單項(xiàng)選擇題PLAudioEncodeSettingaudioEncodeSetting=newPLAudioEncodeSetting（）；audioEncodeSetting.setHWCodecEnabled（true）；//true：硬編false：軟編（）

A.麥克風(fēng)采集選項(xiàng)
B.音頻編碼選項(xiàng)
C.美顏選項(xiàng)
D.錄制選項(xiàng)

4.單項(xiàng)選擇題PLFaceBeautySettingfaceBeautySetting=newPLFaceBeautySetting（1.0f，0.5f，0.5f）；（）

A.麥克風(fēng)采集選項(xiàng)
B.視頻編碼選項(xiàng)
C.美顏選項(xiàng)
D.錄制選項(xiàng)

5.單項(xiàng)選擇題recordSetting.setVideoCacheDir（"/sdcard"）；recordSetting.setVideoFilepath（"/sdcard/record.mp4"）；（）

A.音頻編碼選項(xiàng)
B.麥克風(fēng)采集選項(xiàng)
C.美顏選項(xiàng)
D.錄制選項(xiàng)