1 files changed, 88 insertions, 0 deletions
diff --git a/gst/deinterlace2/tvtime/weavetff.c b/gst/deinterlace2/tvtime/weavetff.c
new file mode 100644
index 00000000..dec2bc57
--- /dev/null
+++ b/gst/deinterlace2/tvtime/weavetff.c
@@ -0,0 +1,88 @@
+/**
+ * Weave frames, top-field-first.
+ * Copyright (C) 2003 Billy Biggs <vektor@dumbterm.net>.
+ * Copyright (C) 2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "_stdint.h"
+#include "gstdeinterlace2.h"
+#include <string.h>
+
+#define GST_TYPE_DEINTERLACE_METHOD_WEAVE_TFF	(gst_deinterlace_method_weave_tff_get_type ())
+#define GST_IS_DEINTERLACE_METHOD_WEAVE_TFF(obj)		(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_WEAVE_TFF))
+#define GST_IS_DEINTERLACE_METHOD_WEAVE_TFF_CLASS(klass)	(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_WEAVE_TFF))
+#define GST_DEINTERLACE_METHOD_WEAVE_TFF_GET_CLASS(obj)	(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_WEAVE_TFF, GstDeinterlaceMethodWeaveTFFClass))
+#define GST_DEINTERLACE_METHOD_WEAVE_TFF(obj)		(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_WEAVE_TFF, GstDeinterlaceMethodWeaveTFF))
+#define GST_DEINTERLACE_METHOD_WEAVE_TFF_CLASS(klass)	(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_WEAVE_TFF, GstDeinterlaceMethodWeaveTFFClass))
+#define GST_DEINTERLACE_METHOD_WEAVE_TFF_CAST(obj)	((GstDeinterlaceMethodWeaveTFF*)(obj))
+
+GType gst_deinterlace_method_weave_tff_get_type (void);
+
+typedef GstDeinterlaceSimpleMethod GstDeinterlaceMethodWeaveTFF;
+
+typedef GstDeinterlaceSimpleMethodClass GstDeinterlaceMethodWeaveTFFClass;
+
+
+static void
+deinterlace_scanline_weave (GstDeinterlaceMethod * self,
+    GstDeinterlace2 * parent, guint8 * out,
+    GstDeinterlaceScanlineData * scanlines, gint width)
+{
+  memcpy (out, scanlines->m1, parent->line_length);
+}
+
+static void
+copy_scanline (GstDeinterlaceMethod * self, GstDeinterlace2 * parent,
+    guint8 * out, GstDeinterlaceScanlineData * scanlines, gint width)
+{
+  /* FIXME: original code used m2 and m0 but this looks really bad */
+  if (scanlines->bottom_field) {
+    memcpy (out, scanlines->bb0, parent->line_length);
+  } else {
+    memcpy (out, scanlines->bb2, parent->line_length);
+  }
+}
+
+G_DEFINE_TYPE (GstDeinterlaceMethodWeaveTFF, gst_deinterlace_method_weave_tff,
+    GST_TYPE_DEINTERLACE_SIMPLE_METHOD);
+
+static void
+gst_deinterlace_method_weave_tff_class_init (GstDeinterlaceMethodWeaveTFFClass *
+    klass)
+{
+  GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass;
+  GstDeinterlaceSimpleMethodClass *dism_class =
+      (GstDeinterlaceSimpleMethodClass *) klass;
+
+  dim_class->fields_required = 3;
+  dim_class->name = "Progressive: Top Field First";
+  dim_class->nick = "weavetff";
+  dim_class->latency = 0;
+
+  dism_class->interpolate_scanline = deinterlace_scanline_weave;
+  dism_class->copy_scanline = copy_scanline;
+}
+
+static void
+gst_deinterlace_method_weave_tff_init (GstDeinterlaceMethodWeaveTFF * self)
+{
+}