internal static extern IntPtr cveVideoWriterCreate2(
IntPtr filename,
CvEnum.CaptureType apiPreference,
int fourcc,
double fps,
ref System.Drawing.Size frameSize,
[MarshalAs(CvInvoke.BoolMarshalType)]
bool isColor);
/// <summary>
/// Create a video writer using the specific information
/// </summary>
/// <param name="fileName">The name of the video file to be written to </param>
/// <param name="compressionCode">Compression code. Usually computed using CvInvoke.CV_FOURCC.
/// On windows use -1 to open a codec selection dialog.
/// On Linux, use CvInvoke.CV_FOURCC('I', 'Y', 'U', 'V') for default codec for the specific file name.
/// </param>
/// <param name="fps">frame rate per second</param>
/// <param name="size">the size of the frame</param>
/// <param name="isColor">true if this is a color video, false otherwise</param>
/// <param name="apiPreference">Allows to specify API backends to use.</param>
public VideoWriter(String fileName, CvEnum.CaptureType apiPreference, int compressionCode, double fps, System.Drawing.Size size, bool isColor)
{
using (CvString s = new CvString(fileName))
_ptr = CvInvoke.cveVideoWriterCreate2(s, apiPreference, compressionCode, fps, ref size, isColor);
if (_ptr == IntPtr.Zero)
{
throw new NullReferenceException("Unable to create VideoWriter. Make sure you have the specific codec installed");
}
}
/// <summary>
/// Create a capture using the specific camera
/// </summary>
/// <param name="captureType">The capture type</param>
public VideoCapture(CvEnum.CaptureType captureType)
: this((int)captureType)
{
}