public bool Blend(Gst.Video.VideoFrame video_buf)
{
IntPtr native_video_buf = GLib.Marshaller.StructureToPtrAlloc(video_buf);
bool raw_ret = gst_video_overlay_composition_blend(Handle, native_video_buf);
bool ret = raw_ret;
Marshal.FreeHGlobal(native_video_buf);
return(ret);
}
void InvokeNative(Gst.PbUtils.AudioVisualizer scope, Gst.Video.VideoFrame s, Gst.Video.VideoFrame d)
{
IntPtr native_s = GLib.Marshaller.StructureToPtrAlloc(s);
IntPtr native_d = GLib.Marshaller.StructureToPtrAlloc(d);
native_cb(scope == null ? IntPtr.Zero : scope.Handle, native_s, native_d);
Marshal.FreeHGlobal(native_s);
Marshal.FreeHGlobal(native_d);
}
public void Frame(Gst.Video.VideoFrame src, Gst.Video.VideoFrame dest)
{
IntPtr native_src = GLib.Marshaller.StructureToPtrAlloc(src);
IntPtr native_dest = GLib.Marshaller.StructureToPtrAlloc(dest);
gst_video_converter_frame(Handle, native_src, native_dest);
Marshal.FreeHGlobal(native_src);
Marshal.FreeHGlobal(native_dest);
}
public bool CopyPlane(Gst.Video.VideoFrame src, uint plane)
{
IntPtr this_as_native = System.Runtime.InteropServices.Marshal.AllocHGlobal(System.Runtime.InteropServices.Marshal.SizeOf(this));
System.Runtime.InteropServices.Marshal.StructureToPtr(this, this_as_native, false);
IntPtr native_src = GLib.Marshaller.StructureToPtrAlloc(src);
bool raw_ret = gst_video_frame_copy_plane(this_as_native, native_src, plane);
bool ret = raw_ret;
ReadNative(this_as_native, ref this);
System.Runtime.InteropServices.Marshal.FreeHGlobal(this_as_native);
Marshal.FreeHGlobal(native_src);
return(ret);
}
public bool Blend(Gst.Video.VideoFrame video_buf)
{
IntPtr this_as_native = System.Runtime.InteropServices.Marshal.AllocHGlobal(System.Runtime.InteropServices.Marshal.SizeOf(this));
System.Runtime.InteropServices.Marshal.StructureToPtr(this, this_as_native, false);
IntPtr native_video_buf = GLib.Marshaller.StructureToPtrAlloc(video_buf);
bool raw_ret = gst_video_overlay_composition_blend(this_as_native, native_video_buf);
bool ret = raw_ret;
ReadNative(this_as_native, ref this);
System.Runtime.InteropServices.Marshal.FreeHGlobal(this_as_native);
Marshal.FreeHGlobal(native_video_buf);
return(ret);
}
private void InternalCleanFrame(Gst.Video.VideoAggregator videoaggregator, Gst.Video.VideoFrame prepared_frame)
{
CleanFrameNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("clean_frame"));
unmanaged = (CleanFrameNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(CleanFrameNativeDelegate));
}
if (unmanaged == null)
{
return;
}
IntPtr native_prepared_frame = GLib.Marshaller.StructureToPtrAlloc(prepared_frame);
unmanaged(this.Handle, videoaggregator == null ? IntPtr.Zero : videoaggregator.Handle, native_prepared_frame);
Marshal.FreeHGlobal(native_prepared_frame);
}
private bool InternalRender(Gst.Buffer audio, Gst.Video.VideoFrame video)
{
RenderNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("render"));
unmanaged = (RenderNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(RenderNativeDelegate));
}
if (unmanaged == null)
{
return(false);
}
IntPtr native_video = GLib.Marshaller.StructureToPtrAlloc(video);
bool __result = unmanaged(this.Handle, audio == null ? IntPtr.Zero : audio.Handle, native_video);
Marshal.FreeHGlobal(native_video);
return(__result);
}
private Gst.FlowReturn InternalTransformFrameIp(Gst.Video.VideoFrame frame)
{
TransformFrameIpNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("transform_frame_ip"));
unmanaged = (TransformFrameIpNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(TransformFrameIpNativeDelegate));
}
if (unmanaged == null)
{
return((Gst.FlowReturn) 0);
}
IntPtr native_frame = GLib.Marshaller.StructureToPtrAlloc(frame);
int __result = unmanaged(this.Handle, native_frame);
Marshal.FreeHGlobal(native_frame);
return((Gst.FlowReturn)__result);
}
static void ReadNative(IntPtr native, ref Gst.Video.VideoFrame target)
{
target = New(native);
}
protected virtual bool OnRender(Gst.Buffer audio, Gst.Video.VideoFrame video)
{
return(InternalRender(audio, video));
}
protected virtual void OnCleanFrame(Gst.Video.VideoAggregator videoaggregator, Gst.Video.VideoFrame prepared_frame)
{
InternalCleanFrame(videoaggregator, prepared_frame);
}
private bool InternalPrepareFrame(Gst.Video.VideoAggregator videoaggregator, Gst.Buffer buffer, Gst.Video.VideoFrame prepared_frame)
{
PrepareFrameNativeDelegate unmanaged = null;
unsafe {
IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("prepare_frame"));
unmanaged = (PrepareFrameNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(PrepareFrameNativeDelegate));
}
if (unmanaged == null)
{
return(false);
}
IntPtr native_prepared_frame = GLib.Marshaller.StructureToPtrAlloc(prepared_frame);
bool __result = unmanaged(this.Handle, videoaggregator == null ? IntPtr.Zero : videoaggregator.Handle, buffer == null ? IntPtr.Zero : buffer.Handle, native_prepared_frame);
Marshal.FreeHGlobal(native_prepared_frame);
return(__result);
}
protected virtual bool OnPrepareFrame(Gst.Video.VideoAggregator videoaggregator, Gst.Buffer buffer, Gst.Video.VideoFrame prepared_frame)
{
return(InternalPrepareFrame(videoaggregator, buffer, prepared_frame));
}
protected virtual Gst.FlowReturn OnTransformFrameIp(Gst.Video.VideoFrame frame)
{
return(InternalTransformFrameIp(frame));
}
protected virtual Gst.FlowReturn OnTransformFrame(Gst.Video.VideoFrame inframe, Gst.Video.VideoFrame outframe)
{
return(InternalTransformFrame(inframe, outframe));
}
