New plugin for low-latency video capture on Windows (#519935).

Original commit message from CVS:
* configure.ac:
* sys/Makefile.am:
* sys/winks/Makefile.am:
* sys/winks/gstksclock.c:
* sys/winks/gstksclock.h:
* sys/winks/gstksvideodevice.c:
* sys/winks/gstksvideodevice.h:
* sys/winks/gstksvideosrc.c:
* sys/winks/gstksvideosrc.h:
* sys/winks/kshelpers.c:
* sys/winks/kshelpers.h:
* sys/winks/ksvideohelpers.c:
* sys/winks/ksvideohelpers.h:
New plugin for low-latency video capture on Windows (#519935).
Uses Kernel Streaming, the lowest level API for doing video capture
on Windows (more or less just raw ioctls).

1 files changed, 69 insertions, 0 deletions

diff --git a/sys/winks/gstksclock.h b/sys/winks/gstksclock.h
new file mode 100644
index 00000000..42a043f1
--- /dev/null
+++ b/sys/winks/gstksclock.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2008 Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.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 __GST_KS_CLOCK_H__
+#define __GST_KS_CLOCK_H__
+
+#include <gst/gst.h>
+#include <windows.h>
+
+#include "ksvideohelpers.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_KS_CLOCK \
+  (gst_ks_clock_get_type ())
+#define GST_KS_CLOCK(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_KS_CLOCK, GstKsClock))
+#define GST_KS_CLOCK_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_KS_CLOCK, GstKsClockClass))
+#define GST_IS_KS_CLOCK(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_KS_CLOCK))
+#define GST_IS_KS_CLOCK_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_KS_CLOCK))
+
+typedef struct _GstKsClock      GstKsClock;
+typedef struct _GstKsClockClass GstKsClockClass;
+
+struct _GstKsClock
+{
+  GObject parent;
+};
+
+struct _GstKsClockClass
+{
+  GObjectClass parent_class;
+};
+
+GType gst_ks_clock_get_type (void);
+
+gboolean gst_ks_clock_open (GstKsClock * self);
+void gst_ks_clock_close (GstKsClock * self);
+
+HANDLE gst_ks_clock_get_handle (GstKsClock * self);
+
+void gst_ks_clock_prepare (GstKsClock * self);
+void gst_ks_clock_start (GstKsClock * self);
+
+void gst_ks_clock_provide_master_clock (GstKsClock * self,
+    GstClock * master_clock);
+
+G_END_DECLS
+
+#endif /* __GST_KS_CLOCK_H__ */