unsafe int FrameAcceptedCallback(S2Frame *frm)
{
if (frm->Error != 0 || frm->Width == 0 || frm->Height == 0)
{
return(0);
}
if (FrameAccepted == null)
{
SnvBackend.FreeFrame(frm);
return(0);
}
AppTools.TryInvoke(() =>
{
bool changed = false;
if (bitmap == null || bitmap.Width != frm->Width || bitmap.Height != frm->Height)
{
bitmap = new WriteableBitmap(frm->Width, frm->Height, 96, 96, PixelFormats.Bgr24, null);
changed = true;
}
unsafe
{
bitmap.Lock();
UnmanagedTools.CopyMemory(bitmap.BackBuffer, frm->Pixels, (uint)(frm->Height * bitmap.BackBufferStride));
bitmap.AddDirtyRect(new Int32Rect(0, 0, frm->Width, frm->Height));
bitmap.Unlock();
SnvBackend.FreeFrame(frm);
}
FrameAccepted?.Invoke(this, new FrameAcceptedEventArgs(bitmap, changed));
});
return(0);
}
public static unsafe extern void RecCommitFrame(RecorderContext *ctx, S2Frame *frm, int display);
public static unsafe extern int ScrCapture(S2Frame *frm, int display, uint den);
public static unsafe extern int S2Send(S2TransmitterContext *tctx, S2Frame *frm);
public static unsafe extern void FreeFrame(S2Frame *frm);
public static unsafe extern void AllocFrame(S2Frame *frm, ushort w, ushort h);
