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, 61 insertions, 0 deletions

diff --git a/sys/winks/kshelpers.h b/sys/winks/kshelpers.h
new file mode 100644
index 00000000..360fe40e
--- /dev/null
+++ b/sys/winks/kshelpers.h
@@ -0,0 +1,61 @@
+/*
+ * 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 __KSHELPERS_H__
+#define __KSHELPERS_H__
+
+#include <glib.h>
+#include <windows.h>
+#include <ks.h>
+
+G_BEGIN_DECLS
+
+typedef struct _KsDeviceEntry KsDeviceEntry;
+
+struct _KsDeviceEntry
+{
+  guint index;
+  gchar * name;
+  gchar * path;
+};
+
+gboolean ks_is_valid_handle (HANDLE h);
+
+GList * ks_enumerate_devices (const GUID * category);
+void ks_device_entry_free (KsDeviceEntry * entry);
+void ks_device_list_free (GList * devices);
+
+gboolean ks_filter_get_pin_property (HANDLE filter_handle, gulong pin_id, GUID prop_set, gulong prop_id, gpointer value, gulong value_size);
+gboolean ks_filter_get_pin_property_multi (HANDLE filter_handle, gulong pin_id, GUID prop_set, gulong prop_id, KSMULTIPLE_ITEM ** items);
+
+gboolean ks_object_query_property (HANDLE handle, GUID prop_set, gulong prop_id, gulong prop_flags, gpointer * value, gulong * value_size);
+gboolean ks_object_get_property (HANDLE handle, GUID prop_set, gulong prop_id, gpointer * value, gulong * value_size);
+gboolean ks_object_set_property (HANDLE handle, GUID prop_set, gulong prop_id, gpointer value, gulong value_size);
+
+gboolean ks_object_get_supported_property_sets (HANDLE handle, GUID ** propsets, gulong * len);
+
+gboolean ks_object_set_connection_state (HANDLE handle, KSSTATE state);
+
+const gchar * ks_state_to_string (KSSTATE state);
+gchar * ks_options_flags_to_string (gulong flags);
+gchar * ks_property_set_to_string (const GUID * guid);
+
+G_END_DECLS
+
+#endif /* __KSHELPERS_H__ */