Add a new win32 videosink. Uses the DirectShow renderers for high-performance video rendering on win32.

Original commit message from CVS:
* configure.ac:
* sys/Makefile.am:
* sys/dshowvideosink/Makefile.am:
* sys/dshowvideosink/README:
* sys/dshowvideosink/dshowvideofakesrc.cpp:
* sys/dshowvideosink/dshowvideofakesrc.h:
* sys/dshowvideosink/dshowvideosink.cpp:
* sys/dshowvideosink/dshowvideosink.h:
Add a new win32 videosink. Uses the DirectShow renderers for
high-performance video rendering on win32.
Currently only supports some YUV formats.
Rank PRIMARY, since it's much more useful for the common cases that the
directdraw sink (which only does RGB).

1 files changed, 104 insertions, 0 deletions

diff --git a/sys/dshowvideosink/dshowvideosink.h b/sys/dshowvideosink/dshowvideosink.h
new file mode 100644
index 000000000..a1a35d11c
--- /dev/null
+++ b/sys/dshowvideosink/dshowvideosink.h
@@ -0,0 +1,104 @@
+/* GStreamer
+ * Copyright (C) 2008 Michael Smith <msmith@songbirdnest.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __DSHOWVIDEOSINK_H__
+#define __DSHOWVIDEOSINK_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstbasesink.h>
+
+#include "dshowvideofakesrc.h"
+
+#include <dshow.h>
+
+#include "d3d9.h"
+#include "vmr9.h"
+
+#pragma warning( disable : 4090 4024)
+
+G_BEGIN_DECLS
+#define GST_TYPE_DSHOWVIDEOSINK              (gst_dshowvideosink_get_type())
+#define GST_DSHOWVIDEOSINK(obj)              (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSHOWVIDEOSINK,GstDshowVideoSink))
+#define GST_DSHOWVIDEOSINK_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSHOWVIDEOSINK,GstDshowVideoSinkClass))
+#define GST_IS_DSHOWVIDEOSINK(obj)           (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSHOWVIDEOSINK))
+#define GST_IS_DSHOWVIDEOSINK_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSHOWVIDEOSINK))
+typedef struct _GstDshowVideoSink GstDshowVideoSink;
+typedef struct _GstDshowVideoSinkClass GstDshowVideoSinkClass;
+
+/* Renderer-specific support classes */
+class RendererSupport
+{
+public:
+  virtual const char *GetName() = 0;
+  virtual IBaseFilter *GetFilter() = 0;
+  virtual gboolean Configure() = 0;
+  virtual gboolean SetRendererWindow(HWND window) = 0;
+  virtual void PaintWindow() = 0;
+  virtual void MoveWindow() = 0;
+  virtual void DestroyWindow() = 0;
+  virtual void DisplayModeChanged() = 0;
+};
+
+struct _GstDshowVideoSink
+{
+  GstBaseSink sink;
+
+  /* Preferred renderer to use: VM9 or VMR */
+  char *preferredrenderer;
+
+   /* The filter graph (DirectShow equivalent to pipeline */
+  IFilterGraph *filter_graph;
+
+  /* Renderer wrapper (EVR, VMR9, or VMR) and support code */
+  RendererSupport *renderersupport;
+
+  /* Our fakesrc filter */
+  VideoFakeSrc *fakesrc;
+
+  /* DirectShow description of media type (equivalent of GstCaps) */
+  AM_MEDIA_TYPE mediatype;
+
+  gboolean keep_aspect_ratio;
+  gboolean full_screen;
+
+  /* If the window is closed, we set this and error out */
+  gboolean window_closed;
+
+  /* The video window set through GstXOverlay */
+  HWND window_id;
+
+  gboolean connected;
+
+  /* If we create our own window, we run it from another thread */
+  GThread *window_thread;
+  HANDLE window_created_signal;
+
+  /* If we use an app-supplied window, we need to hook its WNDPROC */
+  WNDPROC prevWndProc;
+};
+
+struct _GstDshowVideoSinkClass
+{
+  GstBaseSinkClass parent_class;
+};
+
+GType gst_dshowvideosink_get_type (void);
+
+G_END_DECLS
+#endif /* __DSHOWVIDEOSINK_H__ */