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Diffstat (limited to 'gst/deinterlace/tvtime/weavebff.c')
-rw-r--r--gst/deinterlace/tvtime/weavebff.c174
1 files changed, 174 insertions, 0 deletions
diff --git a/gst/deinterlace/tvtime/weavebff.c b/gst/deinterlace/tvtime/weavebff.c
new file mode 100644
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--- /dev/null
+++ b/gst/deinterlace/tvtime/weavebff.c
@@ -0,0 +1,174 @@
+/*
+ * Weave frames, bottom-field-first.
+ * Copyright (C) 2003 Billy Biggs <vektor@dumbterm.net>.
+ * Copyright (C) 2008,2010 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.
+ */
+
+/*
+ * Relicensed for GStreamer from GPL to LGPL with permit from Billy Biggs.
+ * See: http://bugzilla.gnome.org/show_bug.cgi?id=163578
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "gstdeinterlacemethod.h"
+#include <string.h>
+
+#define GST_TYPE_DEINTERLACE_METHOD_WEAVE_BFF (gst_deinterlace_method_weave_bff_get_type ())
+#define GST_IS_DEINTERLACE_METHOD_WEAVE_BFF(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_WEAVE_BFF))
+#define GST_IS_DEINTERLACE_METHOD_WEAVE_BFF_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_WEAVE_BFF))
+#define GST_DEINTERLACE_METHOD_WEAVE_BFF_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_WEAVE_BFF, GstDeinterlaceMethodWeaveBFFClass))
+#define GST_DEINTERLACE_METHOD_WEAVE_BFF(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_WEAVE_BFF, GstDeinterlaceMethodWeaveBFF))
+#define GST_DEINTERLACE_METHOD_WEAVE_BFF_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_WEAVE_BFF, GstDeinterlaceMethodWeaveBFFClass))
+#define GST_DEINTERLACE_METHOD_WEAVE_BFF_CAST(obj) ((GstDeinterlaceMethodWeaveBFF*)(obj))
+
+GType gst_deinterlace_method_weave_bff_get_type (void);
+
+typedef GstDeinterlaceSimpleMethod GstDeinterlaceMethodWeaveBFF;
+typedef GstDeinterlaceSimpleMethodClass GstDeinterlaceMethodWeaveBFFClass;
+
+static void
+deinterlace_scanline_weave_packed (GstDeinterlaceSimpleMethod * self,
+ guint8 * out, const GstDeinterlaceScanlineData * scanlines)
+{
+ if (scanlines->m1 == NULL) {
+ memcpy (out, scanlines->b0, self->parent.row_stride[0]);
+ } else {
+ memcpy (out, scanlines->m1, self->parent.row_stride[0]);
+ }
+}
+
+static void
+deinterlace_scanline_weave_planar_y (GstDeinterlaceSimpleMethod * self,
+ guint8 * out, const GstDeinterlaceScanlineData * scanlines)
+{
+ if (scanlines->m1 == NULL) {
+ memcpy (out, scanlines->b0, self->parent.row_stride[0]);
+ } else {
+ memcpy (out, scanlines->m1, self->parent.row_stride[0]);
+ }
+}
+
+static void
+deinterlace_scanline_weave_planar_u (GstDeinterlaceSimpleMethod * self,
+ guint8 * out, const GstDeinterlaceScanlineData * scanlines)
+{
+ if (scanlines->m1 == NULL) {
+ memcpy (out, scanlines->b0, self->parent.row_stride[1]);
+ } else {
+ memcpy (out, scanlines->m1, self->parent.row_stride[1]);
+ }
+}
+
+static void
+deinterlace_scanline_weave_planar_v (GstDeinterlaceSimpleMethod * self,
+ guint8 * out, const GstDeinterlaceScanlineData * scanlines)
+{
+ if (scanlines->m1 == NULL) {
+ memcpy (out, scanlines->b0, self->parent.row_stride[2]);
+ } else {
+ memcpy (out, scanlines->m1, self->parent.row_stride[2]);
+ }
+}
+
+static void
+copy_scanline_packed (GstDeinterlaceSimpleMethod * self, guint8 * out,
+ const GstDeinterlaceScanlineData * scanlines)
+{
+ memcpy (out, scanlines->m0, self->parent.row_stride[0]);
+}
+
+static void
+copy_scanline_planar_y (GstDeinterlaceSimpleMethod * self, guint8 * out,
+ const GstDeinterlaceScanlineData * scanlines)
+{
+ memcpy (out, scanlines->m0, self->parent.row_stride[0]);
+}
+
+static void
+copy_scanline_planar_u (GstDeinterlaceSimpleMethod * self, guint8 * out,
+ const GstDeinterlaceScanlineData * scanlines)
+{
+ memcpy (out, scanlines->m0, self->parent.row_stride[1]);
+}
+
+static void
+copy_scanline_planar_v (GstDeinterlaceSimpleMethod * self, guint8 * out,
+ const GstDeinterlaceScanlineData * scanlines)
+{
+ memcpy (out, scanlines->m0, self->parent.row_stride[2]);
+}
+
+G_DEFINE_TYPE (GstDeinterlaceMethodWeaveBFF, gst_deinterlace_method_weave_bff,
+ GST_TYPE_DEINTERLACE_SIMPLE_METHOD);
+
+static void
+gst_deinterlace_method_weave_bff_class_init (GstDeinterlaceMethodWeaveBFFClass *
+ klass)
+{
+ GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass;
+ GstDeinterlaceSimpleMethodClass *dism_class =
+ (GstDeinterlaceSimpleMethodClass *) klass;
+
+ dim_class->fields_required = 2;
+ dim_class->name = "Progressive: Bottom Field First";
+ dim_class->nick = "weavebff";
+ dim_class->latency = 1;
+
+ dism_class->interpolate_scanline_ayuv = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_yuy2 = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_yvyu = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_uyvy = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_nv12 = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_nv21 = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_argb = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_abgr = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_rgba = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_bgra = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_rgb = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_bgr = deinterlace_scanline_weave_packed;
+ dism_class->interpolate_scanline_planar_y =
+ deinterlace_scanline_weave_planar_y;
+ dism_class->interpolate_scanline_planar_u =
+ deinterlace_scanline_weave_planar_u;
+ dism_class->interpolate_scanline_planar_v =
+ deinterlace_scanline_weave_planar_v;
+
+ dism_class->copy_scanline_ayuv = copy_scanline_packed;
+ dism_class->copy_scanline_yuy2 = copy_scanline_packed;
+ dism_class->copy_scanline_yvyu = copy_scanline_packed;
+ dism_class->copy_scanline_uyvy = copy_scanline_packed;
+ dism_class->copy_scanline_nv12 = copy_scanline_packed;
+ dism_class->copy_scanline_nv21 = copy_scanline_packed;
+ dism_class->copy_scanline_argb = copy_scanline_packed;
+ dism_class->copy_scanline_abgr = copy_scanline_packed;
+ dism_class->copy_scanline_rgba = copy_scanline_packed;
+ dism_class->copy_scanline_bgra = copy_scanline_packed;
+ dism_class->copy_scanline_rgb = copy_scanline_packed;
+ dism_class->copy_scanline_bgr = copy_scanline_packed;
+ dism_class->copy_scanline_planar_y = copy_scanline_planar_y;
+ dism_class->copy_scanline_planar_u = copy_scanline_planar_u;
+ dism_class->copy_scanline_planar_v = copy_scanline_planar_v;
+}
+
+static void
+gst_deinterlace_method_weave_bff_init (GstDeinterlaceMethodWeaveBFF * self)
+{
+}