private uint VideoFormatCallback(ref IntPtr opaque, ref uint chroma, ref uint width, ref uint height,
ref uint pitches, ref uint lines)
{
Debug.WriteLine(String.Format("Initialize Video Content : {0}x{1}", width, height));
var videoFormatChangingArgs = new VideoFormatChangingEventArgs(width, height, ChromaType.RV32);
if (VideoFormatChanging != null)
{
VideoFormatChanging(this, videoFormatChangingArgs);
}
if (_context == null || videoFormatChangingArgs.Width != _context.Width || videoFormatChangingArgs.Height != _context.Height)
{
if (DisplayThreadDispatcher == null)
{
throw new NullReferenceException(String.Format("Image = {0}, Image.SeparateThreadDispatcher = {1}, ThreadSeparatedImage.CommonDispatcher = {2}", Image, Image.SeparateThreadDispatcher, ThreadSeparatedImage.CommonDispatcher));
}
DisplayThreadDispatcher.Invoke(DispatcherPriority.Normal,
new Action(() =>
{
if (_context != null)
{
_context.Dispose();
}
_context = new VideoDisplayContext(videoFormatChangingArgs.Width, videoFormatChangingArgs.Height, videoFormatChangingArgs.ChromaType);
VideoSource = null;
}));
}
_context.IsAspectRatioChecked = false;
chroma = (uint)_context.ChromaType;
width = (uint)_context.Width;
height = (uint)_context.Height;
pitches = (uint)_context.Stride;
lines = (uint)_context.Height;
return((uint)_context.Size);
}
private uint VideoFormatCallback(void **opaque, byte *chroma, uint *width, uint *height, uint *pitches,
uint *lines)
{
Debug.WriteLine($"Initialize Video Content : {*width}x{*height}");
var videoFormatChangingArgs = new VideoFormatChangingEventArgs(*width, *height, ChromaType.RV32);
VideoFormatChanging?.Invoke(this, videoFormatChangingArgs);
if (_context == null || videoFormatChangingArgs.Width != _context.Width ||
videoFormatChangingArgs.Height != _context.Height)
{
if (DisplayThreadDispatcher == null)
{
throw new NullReferenceException(
$"Image = {Image}, Image.SeparateThreadDispatcher = {Image.SeparateThreadDispatcher}, ThreadSeparatedImage.CommonDispatcher = {ThreadSeparatedImage.CommonDispatcher}");
}
DisplayThreadDispatcher.Invoke(DispatcherPriority.Normal,
new Action(() =>
{
if (_context != null)
{
_context.Dispose();
}
_context = new VideoDisplayContext(videoFormatChangingArgs.Width,
videoFormatChangingArgs.Height, videoFormatChangingArgs.ChromaType);
VideoSource = null;
}));
}
_context.IsAspectRatioChecked = false;
*(uint *)chroma = (uint)_context.ChromaType;
*width = (uint)_context.Width;
*height = (uint)_context.Height;
*pitches = (uint)_context.Stride;
*lines = (uint)_context.Height;
return((uint)_context.Size);
}