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  • Save in image format
  • Use conditions:
  • Required permissions
WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReportes y ConsultasCódigo de Usuario (UMC)
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WINDEV Mobile
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Otros
Procedimientos almacenados
CameraCapture (Function)
 
Saves the video currently transmitted by a "camera" as an image or a video sequence.
The formats in which the video is saved are:
  • Windows an image in BMP format or a video sequence in AVI format.
  • Windows Mobile an image in JPEG format or a video sequence in ASF format.
  • Android an image in JPEG format or a video sequence. The format and quality of captured video depend on the default setting of device and they can differ between the different devices.
  • iPhone/iPad an image in JPEG format or a video sequence. The format and quality of captured video depend on the default setting of device and they can differ between the different devices.
Notes:
  • AndroidiPhone/iPad To directly get a photo or a video by using the native video application found on the device, use CameraRunApp.
  • This function is equivalent to VideoCapture.
Ejemplo
WindowsCódigo de Usuario (UMC)
// Save the video transmitted in the "CAM_Kitchen" control
// in the format of a 1-minute AVI ("C:\Temp\MyVideo.AVI")
ResSave = CaméraCapture(CAM_Kitchen, "C:\Temp\MyVideo.AVI", viVideoCapture, 60)
IF ResSave = True THEN
Info("Video successfully saved")
ELSE
Error(ErrorInfo())
END
Sintaxis
<Result> = CameraCapture(<Name of camera control> , <Name of created file> [, <Type of capture> [, <Capture duration> [, <Number of images per second> [, <Display during capture>]]]])
<Result>: Boolean
  • True if the video was successfully saved,
  • False otherwise. To find out the error details, use ErrorInfo.
<Name of camera control>: Character string (with or without quotes)
Name of Camera control to use. There is no need to display the video in a Camera control in order to save it.
<Name of created file>: Character string (with quotes)
Name and full (or relative) path of file to create.
Windows If an image is saved, a BMP file is created. If a video sequence is saved, an AVI file is created.
Windows Mobile If an image is saved, a JPEG file is created. If a video sequence is saved, an ASF file is created.
Android If an image is saved, a JPEG file is created. If a video sequence is saved, the format and quality of captured video depend on the default setting of device and they can differ between the different devices.
Caution: No UNC path can be used.
<Type of capture>: Optional integer constant
Type of capture:
viPictureCapture
Windows Capture an image in the format of a BMP file.

Windows Mobile The capture is performed in a JPEG file.

Android The capture is performed in a JPEG file.
viVideoCapture
(Default value)
Windows Capture a video sequence in the format of an AVI file.

Windows Mobile The capture is performed in ASF format.

Android If a video sequence is saved, the format and quality of captured video depend on the default setting of device and they can differ between the different devices.
<Capture duration>: Optional integer or optional duration
Duration of capture (in seconds). If this parameter is set to 0 or if it is not specified, the capture will stop:
  • during the call to VideoStop.
  • when the specified disk is full.
Note: This parameter can correspond to:
  • an integer corresponding to the number of seconds,
  • a Duration variable,
  • Versiones 23 y posteriores
    the indication of duration in clear ('1s' for example).
    Nueva funcionalidad versión 23
    the indication of duration in clear ('1s' for example).
    the indication of duration in clear ('1s' for example).
<Number of images per second>: Optional integer
Number of images saved per second (15 by default). This parameter is taken into account only if <Type of capture> is equal to viVideoCapture.
Windows Mobile This parameter is ignored.
<Display during capture>: Optional boolean
  • True (by default) if the video currently transmitted must be viewed in the specified Camera control,
  • False otherwise.
AndroidiPhone/iPad This parameter is ignored. The video saved is always viewed in the Camera control.
Observaciones

Save in image format

Only the image displayed when running VideoCapture will be saved in BMP format. To save this image, you can also use:

Use conditions:

  • Windows To use this function, a "web camera" must be connected to the current computer.
  • Windows Mobile This function requires a device that operates in Windows CE version 5.0 (or later) and that is equipped with a camera.
  • Android This function requires a device equipped with a camera. It can also be used during an execution in the Android emulator (for the capture of images only).
  • Android The camera setting can be identified and modified by VideoParameter and VideoListParameter.
Android

Required permissions

The call to this function modifies the permissions required by the application.
Required permissions:
  • CAMERA: This permission allows the applications to access the camera.
  • RECORD_AUDIO: This permission allows the applications to record the sound.
Componente : wd250obj.dll
Versión mínima requerida
  • Versión 22
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