Enum VideoCaptureProperties
Property identifiers for CvCapture
Namespace: OpenCvSharp
Assembly: OpenCvSharp.dll
Syntax
public enum VideoCapturePropertiesRemarks
Fields
| Name | Description |
|---|---|
| Aperture | Aperture. Can be readonly, depends on camera program. |
| AutoExposure | exposure control done by camera, user can adjust refernce level using this feature |
| AutoFocus | |
| AutoWB | enable/ disable auto white-balance |
| Backend | Current backend (enum VideoCaptureAPIs). Read-only property |
| BackLight | |
| BitRate | (read-only) Video bitrate in kbits/s |
| Brightness | Brightness of image (only for cameras) |
| BufferSize | |
| Channel | Video input or Channel Number (only for those cameras that support) |
| CodecPixelFormat | (read-only) codec's pixel format. 4-character code - see VideoWriter::fourcc . Subset of AV_PIX_FMT_* or -1 if unknown |
| Contrast | contrast of image (only for cameras) |
| ConvertRgb | Boolean flags indicating whether images should be converted to RGB |
| Exposure | Exposure (only for cameras) |
| ExposureProgram | Camera exposure program. |
| Focus | |
| Format | The format of the Mat objects returned by retrieve() |
| FourCC | 4-character code of codec (only for cameras). |
| Fps | Frame rate (only for cameras) |
| FrameCount | Number of frames in the video stream |
| FrameHeight | Height of frames in the video stream (only for cameras) |
| FrameWidth | Width of frames in the video stream (only for cameras) |
| Gain | Gain of the image (only for cameras) |
| Gamma | |
| GIGA_FrameHeightMax | |
| GIGA_FrameOffsetX | |
| GIGA_FrameOffsetY | |
| GIGA_FrameSensHeight | |
| GIGA_FrameSensWidth | |
| GIGA_FrameWidthMax | |
| GPhoto2_CollectMsgs | Collect messages with details. |
| GPhoto2_FlushMsgs | Readonly, returns (const char *). |
| GPhoto2_Preview | Capture only preview from liveview mode. |
| GPhoto2_ReloadConfig | Trigger, only by set. Reload camera settings. |
| GPhoto2_ReloadOnChange | Reload all settings on set. |
| GPhoto2_WidgetEnumerate | Readonly, returns (const char *). |
| GStreamerQueueLength | default is 1 |
| Guid | |
| Hue | hue of image (only for cameras) |
| HwAcceleration | (open-only) Hardware acceleration type (see VideoAccelerationType). Setting supported only via params parameter in cv::VideoCapture constructor / .open() method. Default value is backend-specific. |
| HwDevice | (open-only) Hardware device index (select GPU if multiple available). Device enumeration is acceleration type specific. |
| INTELPERC_DepthConfidenceThreshold | |
| INTELPERC_DepthFocalLengthHorz | |
| INTELPERC_DepthFocalLengthVert | |
| INTELPERC_DepthLowConfidenceValue | |
| INTELPERC_DepthSaturationValue | |
| INTELPERC_ProfileCount | |
| INTELPERC_ProfileIdx | |
| IOS_DeviceExposure | |
| IOS_DeviceFlash | |
| IOS_DeviceFocus | |
| IOS_DeviceTorch | |
| IOS_DeviceWhiteBalance | |
| Iris | |
| IsoSpeed | |
| Mode | A backend-specific value indicating the current capture mode |
| Monocrome | |
| OPENNI_ApproxFrameSync | |
| OpenNI_Baseline | in mm |
| OPENNI_CircleBuffer | |
| OpenNI_DepthGenerator | |
| OpenNI_DepthGeneratorBaseline | |
| OpenNI_DepthGeneratorFocalLength | |
| OpenNI_DepthGeneratorRegistrationON | |
| OpenNI_FocalLength | in pixels |
| OpenNI_FrameMaxDepth | in mm |
| OPENNI_GeneratorPresent | |
| OpenNI_ImageGenerator | |
| OpenNI_ImageGeneratorOutputMode | |
| OpenNI_ImageGeneratorPresent | |
| OPENNI_MaxBufferSize | |
| OPENNI_MaxTimeDuration | |
| OpenNI_OutputMode | |
| OpenNI_Registration | flag that synchronizes the remapping depth map to image map by changing depth generator's view point (if the flag is "on") or sets this view point to its normal one (if the flag is "off"). |
| OPENNI2_Mirror | |
| OPENNI2_Sync | |
| OrientationAuto | if true - rotates output frames of CvCapture considering video file's metadata (applicable for FFmpeg back-end only) (https://github.com/opencv/opencv/issues/15499) |
| OrientationMeta | (read-only) Frame rotation defined by stream meta (applicable for FFmpeg back-end only) |
| Pan | |
| PosAviRatio | Position in relative units (0 - start of the file, 1 - end of the file) |
| PosFrames | Position in frames (only for video files) |
| PosMsec | Position in milliseconds from the file beginning |
| PVAPI_BinningX | Horizontal binning factor |
| PVAPI_BinningY | Vertical binning factor |
| PVAPI_DecimationHorizontal | Horizontal sub-sampling of the image |
| PVAPI_DecimationVertical | Vertical sub-sampling of the image |
| PVAPI_FrameStartTriggerMode | Determines how a frame is initiated |
| PVAPI_PixelFormat | Pixel format |
| PvAPIMulticastIP | ip for anable multicast master mode. 0 for disable multicast |
| Rectification | TOWRITE (note: only supported by DC1394 v 2.x backend currently) |
| Roll | |
| SARDen | Sample aspect ratio: num/den (den) |
| SARNum | Sample aspect ratio: num/den (num) |
| Saturation | Saturation of image (only for cameras) |
| Settings | Pop up video/camera filter dialog (note: only supported by DSHOW backend currently. Property value is ignored) |
| Sharpness | |
| Speed | Exposure speed. Can be readonly, depends on camera program. |
| Temperature | |
| Tilt | |
| Trigger | |
| TriggerDelay | |
| ViewFinder | Enter liveview mode. |
| WBTemperature | white-balance color temperature |
| WhiteBalanceBlueU | |
| WhiteBalanceRedV | |
| XI_AEAG | Automatic exposure/gain |
| XI_AEAGLevel | Average intensity of output signal AEAG should achieve(in %) |
| XI_AEMaxLimit | Maximum limit of exposure in AEAG procedure |
| XI_AGMaxLimit | Maximum limit of gain in AEAG procedure |
| XI_AutoWB | Automatic white balance |
| XI_DataFormat | Output data format. |
| XI_Downsampling | Change image resolution by binning or skipping. |
| XI_ExpPriority | Exposure priority (0.5 - exposure 50%, gain 50%). |
| XI_GpiLevel | Get general purpose level |
| XI_GpiMode | Set general purpose input mode |
| XI_GpiSelector | Selects general purpose input |
| XI_GpoMode | Set general purpose output mode |
| XI_GpoSelector | Selects general purpose output |
| XI_LedMode | Define camera signalling LED functionality |
| XI_LedSelector | Selects camera signalling LED |
| XI_ManualWB | Calculates White Balance(must be called during acquisition) |
| XI_OffsetX | Horizontal offset from the origin to the area of interest (in pixels). |
| XI_OffsetY | Vertical offset from the origin to the area of interest (in pixels). |
| XI_Timeout | Image capture timeout in milliseconds |
| XI_TrgSoftware | Generates an internal trigger. PRM_TRG_SOURCE must be set to TRG_SOFTWARE. |
| XI_TrgSource | Defines source of trigger. |
| Zoom |