public CVPixelBuffer(int width, int height, CVPixelFormatType pixelFormatType, NSDictionary pixelBufferAttributes)
{
if (width <= 0)
{
throw new ArgumentOutOfRangeException("width");
}
if (height <= 0)
{
throw new ArgumentOutOfRangeException("height");
}
IntPtr pixelBufferOut = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(IntPtr)));
CVReturn ret = CVPixelBufferCreate(IntPtr.Zero, (IntPtr)width, (IntPtr)height, pixelFormatType,
pixelBufferAttributes == null ? IntPtr.Zero : pixelBufferAttributes.Handle, pixelBufferOut);
if (ret != CVReturn.Success)
{
Marshal.FreeHGlobal(pixelBufferOut);
throw new ArgumentException(ret.ToString());
}
this.handle = Marshal.ReadIntPtr(pixelBufferOut);
Marshal.FreeHGlobal(pixelBufferOut);
}
public CVPixelBufferPool(NSDictionary poolAttributes, NSDictionary pixelBufferAttributes)
{
CVReturn ret = CVPixelBufferPoolCreate(IntPtr.Zero, poolAttributes.GetHandle(),
pixelBufferAttributes.GetHandle(), out handle);
if (ret != CVReturn.Success)
{
throw new Exception("CVPixelBufferPoolCreate returned " + ret.ToString());
}
}
public CVPixelBuffer CreatePixelBuffer()
{
IntPtr pixelBufferOut;
CVReturn ret = CVPixelBufferPoolCreatePixelBuffer(IntPtr.Zero, handle, out pixelBufferOut);
if (ret != CVReturn.Success)
{
throw new Exception("CVPixelBufferPoolCreatePixelBuffer returned " + ret.ToString());
}
return(new CVPixelBuffer(pixelBufferOut, true));
}
CVPixelBuffer(nint width, nint height, CVPixelFormatType pixelFormatType, NSDictionary pixelBufferAttributes)
{
if (width <= 0)
throw new ArgumentOutOfRangeException ("width");
if (height <= 0)
throw new ArgumentOutOfRangeException ("height");
CVReturn ret = CVPixelBufferCreate (IntPtr.Zero, width, height, pixelFormatType,
pixelBufferAttributes == null ? IntPtr.Zero : pixelBufferAttributes.Handle, out handle);
if (ret != CVReturn.Success)
throw new ArgumentException (ret.ToString ());
}
public CVPixelBufferPool(NSDictionary poolAttributes, NSDictionary pixelBufferAttributes)
{
IntPtr poolOut = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(IntPtr)));
CVReturn ret = CVPixelBufferPoolCreate(IntPtr.Zero, poolAttributes.Handle, pixelBufferAttributes.Handle, poolOut);
if (ret != CVReturn.Success)
{
Marshal.FreeHGlobal(poolOut);
throw new Exception("CVPixelBufferPoolCreate returned " + ret.ToString());
}
this.handle = Marshal.ReadIntPtr(poolOut);
Marshal.FreeHGlobal(poolOut);
}
public CVPixelBuffer CreatePixelBuffer()
{
IntPtr pixelBufferOut = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(IntPtr)));
CVReturn ret = CVPixelBufferPoolCreatePixelBuffer(IntPtr.Zero, handle, pixelBufferOut);
if (ret != CVReturn.Success)
{
Marshal.FreeHGlobal(pixelBufferOut);
throw new Exception("CVPixelBufferPoolCreatePixelBuffer returned " + ret.ToString());
}
CVPixelBuffer pixelBuffer = new CVPixelBuffer(Marshal.ReadIntPtr(pixelBufferOut));
Marshal.FreeHGlobal(pixelBufferOut);
return(pixelBuffer);
}