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gstreamer/gst/deinterlace/tvtime/greedy.c
Jan Schmidt 1106eb16b6 deinterlace: Handle NV12/NV21 for the greedyl mode. 
Don't fall back on the default interpolate_scanline function, which
blindly tries to copy from the next field, which can be NULL in
mixed progressive/interlaced streams

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/585>
2020-05-09 03:07:33 +10:00

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/*
*
* GStreamer
* Copyright (c) 2000 Tom Barry All rights reserved.
* mmx.h port 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 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/*
* Relicensed for GStreamer from GPL to LGPL with permit from Tom Barry
* and 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>
#include "tvtime.h"
#define GST_TYPE_DEINTERLACE_METHOD_GREEDY_L (gst_deinterlace_method_greedy_l_get_type ())
#define GST_IS_DEINTERLACE_METHOD_GREEDY_L(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L))
#define GST_IS_DEINTERLACE_METHOD_GREEDY_L_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L))
#define GST_DEINTERLACE_METHOD_GREEDY_L_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L, GstDeinterlaceMethodGreedyLClass))
#define GST_DEINTERLACE_METHOD_GREEDY_L(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L, GstDeinterlaceMethodGreedyL))
#define GST_DEINTERLACE_METHOD_GREEDY_L_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L, GstDeinterlaceMethodGreedyLClass))
#define GST_DEINTERLACE_METHOD_GREEDY_L_CAST(obj) ((GstDeinterlaceMethodGreedyL*)(obj))
GType gst_deinterlace_method_greedy_l_get_type (void);
typedef struct
{
GstDeinterlaceSimpleMethod parent;
guint max_comb;
} GstDeinterlaceMethodGreedyL;
typedef GstDeinterlaceSimpleMethodClass GstDeinterlaceMethodGreedyLClass;
// This is a simple lightweight DeInterlace method that uses little CPU time
// but gives very good results for low or intermedite motion.
// It defers frames by one field, but that does not seem to produce noticeable
// lip sync problems.
//
// The method used is to take either the older or newer weave pixel depending
// upon which give the smaller comb factor, and then clip to avoid large damage
// when wrong.
//
// I'd intended this to be part of a larger more elaborate method added to
// Blended Clip but this give too good results for the CPU to ignore here.
static inline void
deinterlace_greedy_interpolate_scanline_orc (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint size)
{
guint max_comb = GST_DEINTERLACE_METHOD_GREEDY_L (self)->max_comb;
if (scanlines->m1 == NULL || scanlines->mp == NULL) {
deinterlace_line_linear (out, scanlines->t0, scanlines->b0, size);
} else {
deinterlace_line_greedy (out, scanlines->m1, scanlines->t0, scanlines->b0,
scanlines->mp ? scanlines->mp : scanlines->m1, max_comb, size);
}
}
static inline void
deinterlace_greedy_interpolate_scanline_orc_planar_u (GstDeinterlaceSimpleMethod
* self, guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint
size)
{
guint max_comb = GST_DEINTERLACE_METHOD_GREEDY_L (self)->max_comb;
if (scanlines->m1 == NULL || scanlines->mp == NULL) {
deinterlace_line_linear (out, scanlines->t0, scanlines->b0, size);
} else {
deinterlace_line_greedy (out, scanlines->m1, scanlines->t0, scanlines->b0,
scanlines->mp ? scanlines->mp : scanlines->m1, max_comb, size);
}
}
static inline void
deinterlace_greedy_interpolate_scanline_orc_planar_v (GstDeinterlaceSimpleMethod
* self, guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint
size)
{
guint max_comb = GST_DEINTERLACE_METHOD_GREEDY_L (self)->max_comb;
if (scanlines->m1 == NULL || scanlines->mp == NULL) {
deinterlace_line_linear (out, scanlines->t0, scanlines->b0, size);
} else {
deinterlace_line_greedy (out, scanlines->m1, scanlines->t0, scanlines->b0,
scanlines->mp ? scanlines->mp : scanlines->m1, max_comb, size);
}
}
static void
deinterlace_greedy_copy_scanline (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint size)
{
memcpy (out, scanlines->m0, size);
}
static void
deinterlace_greedy_copy_scanline_planar_u (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint size)
{
memcpy (out, scanlines->m0, size);
}
static void
deinterlace_greedy_copy_scanline_planar_v (GstDeinterlaceSimpleMethod * self,
guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint size)
{
memcpy (out, scanlines->m0, size);
}
G_DEFINE_TYPE (GstDeinterlaceMethodGreedyL, gst_deinterlace_method_greedy_l,
GST_TYPE_DEINTERLACE_SIMPLE_METHOD);
enum
{
PROP_0,
PROP_MAX_COMB
};
static void
gst_deinterlace_method_greedy_l_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstDeinterlaceMethodGreedyL *self = GST_DEINTERLACE_METHOD_GREEDY_L (object);
switch (prop_id) {
case PROP_MAX_COMB:
self->max_comb = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gst_deinterlace_method_greedy_l_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstDeinterlaceMethodGreedyL *self = GST_DEINTERLACE_METHOD_GREEDY_L (object);
switch (prop_id) {
case PROP_MAX_COMB:
g_value_set_uint (value, self->max_comb);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gst_deinterlace_method_greedy_l_class_init (GstDeinterlaceMethodGreedyLClass *
klass)
{
GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass;
GstDeinterlaceSimpleMethodClass *dism_class =
(GstDeinterlaceSimpleMethodClass *) klass;
GObjectClass *gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_deinterlace_method_greedy_l_set_property;
gobject_class->get_property = gst_deinterlace_method_greedy_l_get_property;
g_object_class_install_property (gobject_class, PROP_MAX_COMB,
g_param_spec_uint ("max-comb",
"Max comb",
"Max Comb", 0, 255, 15, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)
);
dim_class->fields_required = 2;
dim_class->name = "Motion Adaptive: Simple Detection";
dim_class->nick = "greedyl";
dim_class->latency = 1;
dism_class->interpolate_scanline_ayuv =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_yuy2 =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_yvyu =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_uyvy =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_nv12 =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_nv21 =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_argb =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_abgr =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_rgba =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_bgra =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_rgb =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_bgr =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_planar_y =
deinterlace_greedy_interpolate_scanline_orc;
dism_class->interpolate_scanline_planar_u =
deinterlace_greedy_interpolate_scanline_orc_planar_u;
dism_class->interpolate_scanline_planar_v =
deinterlace_greedy_interpolate_scanline_orc_planar_v;
dism_class->copy_scanline_ayuv = deinterlace_greedy_copy_scanline;
dism_class->copy_scanline_yuy2 = deinterlace_greedy_copy_scanline;
dism_class->copy_scanline_yvyu = deinterlace_greedy_copy_scanline;
dism_class->copy_scanline_uyvy = deinterlace_greedy_copy_scanline;
dism_class->copy_scanline_argb = deinterlace_greedy_copy_scanline;
dism_class->copy_scanline_abgr = deinterlace_greedy_copy_scanline;
dism_class->copy_scanline_rgba = deinterlace_greedy_copy_scanline;
dism_class->copy_scanline_bgra = deinterlace_greedy_copy_scanline;
dism_class->copy_scanline_rgb = deinterlace_greedy_copy_scanline;
dism_class->copy_scanline_bgr = deinterlace_greedy_copy_scanline;
dism_class->copy_scanline_planar_y = deinterlace_greedy_copy_scanline;
dism_class->copy_scanline_planar_u =
deinterlace_greedy_copy_scanline_planar_u;
dism_class->copy_scanline_planar_v =
deinterlace_greedy_copy_scanline_planar_v;
}
static void
gst_deinterlace_method_greedy_l_init (GstDeinterlaceMethodGreedyL * self)
{
self->max_comb = 15;
}
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