public FrameSet AllocateCompositeFrame(IList <Frame> frames)
{
if (frames == null)
{
throw new ArgumentNullException(nameof(frames));
}
IntPtr frame_refs = IntPtr.Zero;
try {
object error;
int fl = frames.Count;
frame_refs = Marshal.AllocHGlobal(fl * IntPtr.Size);
for (int i = 0; i < fl; i++)
{
var fr = frames[i].m_instance.Handle;
Marshal.WriteIntPtr(frame_refs, i * IntPtr.Size, fr);
NativeMethods.rs2_frame_add_ref(fr, out error);
}
var frame_ref = NativeMethods.rs2_allocate_composite_frame(m_instance.Handle, frame_refs, fl, out error);
return(FrameSet.Create(frame_ref));
}
finally
{
if (frame_refs != IntPtr.Zero)
{
Marshal.FreeHGlobal(frame_refs);
}
}
}
public FrameSet AllocateCompositeFrame(FramesReleaser releaser, params Frame[] frames)
{
object error;
var frame_refs = frames.Select(x => x.m_instance.Handle).ToArray();
foreach (var fref in frame_refs)
{
NativeMethods.rs2_frame_add_ref(fref, out error);
}
var frame_ref = NativeMethods.rs2_allocate_composite_frame(m_instance.Handle, frame_refs, frames.Count(), out error);
return(FramesReleaser.ScopedReturn(releaser, new FrameSet(frame_ref)));
}