gstreamer/gst/deinterlace/tvtime/weavetff.c
2011-02-24 14:08:25 +01:00

179 lines
7.2 KiB
C

/*
* Weave frames, top-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_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_packed (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines)
{
memcpy (out, scanlines->m1, self->parent.row_stride[0]);
}
static void
deinterlace_scanline_weave_planar_y (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines)
{
memcpy (out, scanlines->m1, self->parent.row_stride[0]);
}
static void
deinterlace_scanline_weave_planar_u (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines)
{
memcpy (out, scanlines->m1, self->parent.row_stride[1]);
}
static void
deinterlace_scanline_weave_planar_v (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines)
{
memcpy (out, scanlines->m1, self->parent.row_stride[2]);
}
static void
copy_scanline_packed (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines)
{
/* FIXME: original code used m2 and m0 but this looks really bad */
if (scanlines->bottom_field) {
memcpy (out, scanlines->bb0, self->parent.row_stride[0]);
} else {
memcpy (out, scanlines->bb2, self->parent.row_stride[0]);
}
}
static void
copy_scanline_planar_y (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines)
{
/* FIXME: original code used m2 and m0 but this looks really bad */
if (scanlines->bottom_field) {
memcpy (out, scanlines->bb0, self->parent.row_stride[0]);
} else {
memcpy (out, scanlines->bb2, self->parent.row_stride[0]);
}
}
static void
copy_scanline_planar_u (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines)
{
/* FIXME: original code used m2 and m0 but this looks really bad */
if (scanlines->bottom_field) {
memcpy (out, scanlines->bb0, self->parent.row_stride[1]);
} else {
memcpy (out, scanlines->bb2, self->parent.row_stride[1]);
}
}
static void
copy_scanline_planar_v (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines)
{
/* FIXME: original code used m2 and m0 but this looks really bad */
if (scanlines->bottom_field) {
memcpy (out, scanlines->bb0, self->parent.row_stride[2]);
} else {
memcpy (out, scanlines->bb2, self->parent.row_stride[2]);
}
}
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_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_tff_init (GstDeinterlaceMethodWeaveTFF * self)
{
}