gstreamer/gst/deinterlace/tvtime/linearblend.c
Wim Taymans abd7e33db6 deinterlace: add support for strides
Implement stride support correctly by taking it from the GstVideoFrame.
Propose a bufferpool upstream when not operating in passthrough.
2012-12-11 13:00:46 +01:00

217 lines
8.4 KiB
C

/*
* Linear blend deinterlacing plugin. The idea for this algorithm came
* from the linear blend deinterlacer which originated in the mplayer
* sources.
*
* Copyright (C) 2002 Billy Biggs <vektor@dumbterm.net>.
* Copyright (C) 2008,2010 Sebastian Dröge <slomo@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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, 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>
#ifdef HAVE_ORC
#include <orc/orc.h>
#endif
#include "tvtime.h"
#define GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND (gst_deinterlace_method_linear_blend_get_type ())
#define GST_IS_DEINTERLACE_METHOD_LINEAR_BLEND(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND))
#define GST_IS_DEINTERLACE_METHOD_LINEAR_BLEND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND))
#define GST_DEINTERLACE_METHOD_LINEAR_BLEND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND, GstDeinterlaceMethodLinearBlendClass))
#define GST_DEINTERLACE_METHOD_LINEAR_BLEND(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND, GstDeinterlaceMethodLinearBlend))
#define GST_DEINTERLACE_METHOD_LINEAR_BLEND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND, GstDeinterlaceMethodLinearBlendClass))
#define GST_DEINTERLACE_METHOD_LINEAR_BLEND_CAST(obj) ((GstDeinterlaceMethodLinearBlend*)(obj))
GType gst_deinterlace_method_linear_blend_get_type (void);
typedef GstDeinterlaceSimpleMethod GstDeinterlaceMethodLinearBlend;
typedef GstDeinterlaceSimpleMethodClass GstDeinterlaceMethodLinearBlendClass;
static inline void
deinterlace_scanline_linear_blend_c (GstDeinterlaceSimpleMethod * self,
guint8 * out, const guint8 * t0, const guint8 * b0, const guint8 * m1,
gint size)
{
if (m1 == NULL) {
deinterlace_line_linear (out, t0, b0, size);
} else {
deinterlace_line_linear_blend (out, t0, b0, m1, size);
}
}
static void
deinterlace_scanline_linear_blend_packed_c (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint size)
{
deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0,
scanlines->m1, size);
}
static void
deinterlace_scanline_linear_blend_planar_y_c (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint size)
{
deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0,
scanlines->m1, size);
}
static void
deinterlace_scanline_linear_blend_planar_u_c (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint size)
{
deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0,
scanlines->m1, size);
}
static void
deinterlace_scanline_linear_blend_planar_v_c (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint size)
{
deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0,
scanlines->m1, size);
}
static inline void
deinterlace_scanline_linear_blend2_c (GstDeinterlaceSimpleMethod * self,
guint8 * out, const guint8 * m0, const guint8 * t1, const guint8 * b1,
gint size)
{
if (t1 == NULL) {
memcpy (out, m0, size);
} else {
deinterlace_line_linear_blend (out, t1, b1, m0, size);
}
}
static void
deinterlace_scanline_linear_blend2_packed_c (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint size)
{
deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1,
scanlines->b1, size);
}
static void
deinterlace_scanline_linear_blend2_planar_y_c (GstDeinterlaceSimpleMethod *
self, guint8 * out, const GstDeinterlaceScanlineData * scanlines,
guint size)
{
deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1,
scanlines->b1, size);
}
static void
deinterlace_scanline_linear_blend2_planar_u_c (GstDeinterlaceSimpleMethod *
self, guint8 * out, const GstDeinterlaceScanlineData * scanlines,
guint size)
{
deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1,
scanlines->b1, size);
}
static void
deinterlace_scanline_linear_blend2_planar_v_c (GstDeinterlaceSimpleMethod *
self, guint8 * out, const GstDeinterlaceScanlineData * scanlines,
guint size)
{
deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1,
scanlines->b1, size);
}
G_DEFINE_TYPE (GstDeinterlaceMethodLinearBlend,
gst_deinterlace_method_linear_blend, GST_TYPE_DEINTERLACE_SIMPLE_METHOD);
static void
gst_deinterlace_method_linear_blend_class_init
(GstDeinterlaceMethodLinearBlendClass * klass)
{
GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass;
GstDeinterlaceSimpleMethodClass *dism_class =
(GstDeinterlaceSimpleMethodClass *) klass;
dim_class->fields_required = 2;
dim_class->name = "Blur: Temporal";
dim_class->nick = "linearblend";
dim_class->latency = 1;
dism_class->interpolate_scanline_yuy2 =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_yvyu =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_uyvy =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_ayuv =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_argb =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_rgba =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_abgr =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_bgra =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_rgb =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_bgr =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_nv12 =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_nv21 =
deinterlace_scanline_linear_blend_packed_c;
dism_class->interpolate_scanline_planar_y =
deinterlace_scanline_linear_blend_planar_y_c;
dism_class->interpolate_scanline_planar_u =
deinterlace_scanline_linear_blend_planar_u_c;
dism_class->interpolate_scanline_planar_v =
deinterlace_scanline_linear_blend_planar_v_c;
dism_class->copy_scanline_yuy2 = deinterlace_scanline_linear_blend2_packed_c;
dism_class->copy_scanline_yvyu = deinterlace_scanline_linear_blend2_packed_c;
dism_class->copy_scanline_uyvy = deinterlace_scanline_linear_blend2_packed_c;
dism_class->copy_scanline_ayuv = deinterlace_scanline_linear_blend2_packed_c;
dism_class->copy_scanline_argb = deinterlace_scanline_linear_blend2_packed_c;
dism_class->copy_scanline_abgr = deinterlace_scanline_linear_blend2_packed_c;
dism_class->copy_scanline_rgba = deinterlace_scanline_linear_blend2_packed_c;
dism_class->copy_scanline_bgra = deinterlace_scanline_linear_blend2_packed_c;
dism_class->copy_scanline_rgb = deinterlace_scanline_linear_blend2_packed_c;
dism_class->copy_scanline_bgr = deinterlace_scanline_linear_blend2_packed_c;
dism_class->copy_scanline_planar_y =
deinterlace_scanline_linear_blend2_planar_y_c;
dism_class->copy_scanline_planar_u =
deinterlace_scanline_linear_blend2_planar_u_c;
dism_class->copy_scanline_planar_v =
deinterlace_scanline_linear_blend2_planar_v_c;
}
static void
gst_deinterlace_method_linear_blend_init (GstDeinterlaceMethodLinearBlend *
self)
{
}