mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-01 06:01:04 +00:00
341 lines
12 KiB
C
341 lines
12 KiB
C
/*
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, 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
|
|
{
|
|
GstDeinterlaceMethod parent;
|
|
|
|
guint max_comb;
|
|
} GstDeinterlaceMethodGreedyL;
|
|
|
|
typedef void (*GreedyLScanlineFunction) (GstDeinterlaceMethodGreedyL * self,
|
|
const guint8 * L2, const guint8 * L1, const guint8 * L3, const guint8 * L2P,
|
|
guint8 * Dest, gint width);
|
|
|
|
typedef struct
|
|
{
|
|
GstDeinterlaceMethodClass parent_class;
|
|
GreedyLScanlineFunction scanline;
|
|
} 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_scanline_orc (GstDeinterlaceMethodGreedyL * self,
|
|
const guint8 * m0, const guint8 * t1,
|
|
const guint8 * b1, const guint8 * m2, guint8 * output, gint width)
|
|
{
|
|
deinterlace_line_greedy (output, m0, t1, b1, m2, self->max_comb, width);
|
|
}
|
|
|
|
static void
|
|
deinterlace_frame_di_greedy_packed (GstDeinterlaceMethod * method,
|
|
const GstDeinterlaceField * history, guint history_count,
|
|
GstBuffer * outbuf)
|
|
{
|
|
GstDeinterlaceMethodGreedyL *self = GST_DEINTERLACE_METHOD_GREEDY_L (method);
|
|
GstDeinterlaceMethodGreedyLClass *klass =
|
|
GST_DEINTERLACE_METHOD_GREEDY_L_GET_CLASS (self);
|
|
gint InfoIsOdd = 0;
|
|
gint Line;
|
|
gint RowStride = method->row_stride[0];
|
|
gint FieldHeight = method->frame_height / 2;
|
|
gint Pitch = method->row_stride[0] * 2;
|
|
const guint8 *L1; // ptr to Line1, of 3
|
|
const guint8 *L2; // ptr to Line2, the weave line
|
|
const guint8 *L3; // ptr to Line3
|
|
const guint8 *L2P; // ptr to prev Line2
|
|
guint8 *Dest = GST_BUFFER_DATA (outbuf);
|
|
|
|
// copy first even line no matter what, and the first odd line if we're
|
|
// processing an EVEN field. (note diff from other deint rtns.)
|
|
|
|
if (history[history_count - 1].flags == PICTURE_INTERLACED_BOTTOM) {
|
|
InfoIsOdd = 1;
|
|
|
|
L1 = GST_BUFFER_DATA (history[history_count - 2].buf);
|
|
if (history[history_count - 2].flags & PICTURE_INTERLACED_BOTTOM)
|
|
L1 += RowStride;
|
|
|
|
L2 = GST_BUFFER_DATA (history[history_count - 1].buf);
|
|
if (history[history_count - 1].flags & PICTURE_INTERLACED_BOTTOM)
|
|
L2 += RowStride;
|
|
|
|
L3 = L1 + Pitch;
|
|
L2P = GST_BUFFER_DATA (history[history_count - 3].buf);
|
|
if (history[history_count - 3].flags & PICTURE_INTERLACED_BOTTOM)
|
|
L2P += RowStride;
|
|
|
|
// copy first even line
|
|
memcpy (Dest, L1, RowStride);
|
|
Dest += RowStride;
|
|
} else {
|
|
InfoIsOdd = 0;
|
|
L1 = GST_BUFFER_DATA (history[history_count - 2].buf);
|
|
if (history[history_count - 2].flags & PICTURE_INTERLACED_BOTTOM)
|
|
L1 += RowStride;
|
|
|
|
L2 = GST_BUFFER_DATA (history[history_count - 1].buf) + Pitch;
|
|
if (history[history_count - 1].flags & PICTURE_INTERLACED_BOTTOM)
|
|
L2 += RowStride;
|
|
|
|
L3 = L1 + Pitch;
|
|
L2P = GST_BUFFER_DATA (history[history_count - 3].buf) + Pitch;
|
|
if (history[history_count - 3].flags & PICTURE_INTERLACED_BOTTOM)
|
|
L2P += RowStride;
|
|
|
|
// copy first even line
|
|
memcpy (Dest, L1, RowStride);
|
|
Dest += RowStride;
|
|
// then first odd line
|
|
memcpy (Dest, L1, RowStride);
|
|
Dest += RowStride;
|
|
}
|
|
|
|
for (Line = 0; Line < (FieldHeight - 1); ++Line) {
|
|
klass->scanline (self, L2, L1, L3, L2P, Dest, RowStride);
|
|
Dest += RowStride;
|
|
memcpy (Dest, L3, RowStride);
|
|
Dest += RowStride;
|
|
|
|
L1 += Pitch;
|
|
L2 += Pitch;
|
|
L3 += Pitch;
|
|
L2P += Pitch;
|
|
}
|
|
|
|
if (InfoIsOdd) {
|
|
memcpy (Dest, L2, RowStride);
|
|
}
|
|
}
|
|
|
|
static void
|
|
deinterlace_frame_di_greedy_planar_plane (GstDeinterlaceMethodGreedyL * self,
|
|
const guint8 * L1, const guint8 * L2, const guint8 * L3, const guint8 * L2P,
|
|
guint8 * Dest, gint RowStride, gint FieldHeight, gint Pitch, gint InfoIsOdd,
|
|
GreedyLScanlineFunction scanline)
|
|
{
|
|
gint Line;
|
|
|
|
// copy first even line no matter what, and the first odd line if we're
|
|
// processing an EVEN field. (note diff from other deint rtns.)
|
|
|
|
if (InfoIsOdd) {
|
|
// copy first even line
|
|
memcpy (Dest, L1, RowStride);
|
|
Dest += RowStride;
|
|
} else {
|
|
// copy first even line
|
|
memcpy (Dest, L1, RowStride);
|
|
Dest += RowStride;
|
|
// then first odd line
|
|
memcpy (Dest, L1, RowStride);
|
|
Dest += RowStride;
|
|
}
|
|
|
|
for (Line = 0; Line < (FieldHeight - 1); ++Line) {
|
|
scanline (self, L2, L1, L3, L2P, Dest, RowStride);
|
|
Dest += RowStride;
|
|
memcpy (Dest, L3, RowStride);
|
|
Dest += RowStride;
|
|
|
|
L1 += Pitch;
|
|
L2 += Pitch;
|
|
L3 += Pitch;
|
|
L2P += Pitch;
|
|
}
|
|
|
|
if (InfoIsOdd) {
|
|
memcpy (Dest, L2, RowStride);
|
|
}
|
|
}
|
|
|
|
static void
|
|
deinterlace_frame_di_greedy_planar (GstDeinterlaceMethod * method,
|
|
const GstDeinterlaceField * history, guint history_count,
|
|
GstBuffer * outbuf)
|
|
{
|
|
GstDeinterlaceMethodGreedyL *self = GST_DEINTERLACE_METHOD_GREEDY_L (method);
|
|
GstDeinterlaceMethodGreedyLClass *klass =
|
|
GST_DEINTERLACE_METHOD_GREEDY_L_GET_CLASS (self);
|
|
gint InfoIsOdd;
|
|
gint RowStride;
|
|
gint FieldHeight;
|
|
gint Pitch;
|
|
const guint8 *L1; // ptr to Line1, of 3
|
|
const guint8 *L2; // ptr to Line2, the weave line
|
|
const guint8 *L3; // ptr to Line3
|
|
const guint8 *L2P; // ptr to prev Line2
|
|
guint8 *Dest;
|
|
gint i;
|
|
gint Offset;
|
|
GreedyLScanlineFunction scanline = klass->scanline;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
Offset = method->offset[i];
|
|
|
|
InfoIsOdd = (history[history_count - 1].flags == PICTURE_INTERLACED_BOTTOM);
|
|
RowStride = method->row_stride[i];
|
|
FieldHeight = method->height[i] / 2;
|
|
Pitch = method->row_stride[i] * 2;
|
|
|
|
Dest = GST_BUFFER_DATA (outbuf) + Offset;
|
|
|
|
L1 = GST_BUFFER_DATA (history[history_count - 2].buf) + Offset;
|
|
if (history[history_count - 2].flags & PICTURE_INTERLACED_BOTTOM)
|
|
L1 += RowStride;
|
|
|
|
L2 = GST_BUFFER_DATA (history[history_count - 1].buf) + Offset;
|
|
if (history[history_count - 1].flags & PICTURE_INTERLACED_BOTTOM)
|
|
L2 += RowStride;
|
|
|
|
L3 = L1 + Pitch;
|
|
L2P = GST_BUFFER_DATA (history[history_count - 3].buf) + Offset;
|
|
if (history[history_count - 3].flags & PICTURE_INTERLACED_BOTTOM)
|
|
L2P += RowStride;
|
|
|
|
deinterlace_frame_di_greedy_planar_plane (self, L1, L2, L3, L2P, Dest,
|
|
RowStride, FieldHeight, Pitch, InfoIsOdd, scanline);
|
|
}
|
|
}
|
|
|
|
G_DEFINE_TYPE (GstDeinterlaceMethodGreedyL, gst_deinterlace_method_greedy_l,
|
|
GST_TYPE_DEINTERLACE_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;
|
|
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 = 4;
|
|
dim_class->name = "Motion Adaptive: Simple Detection";
|
|
dim_class->nick = "greedyl";
|
|
dim_class->latency = 1;
|
|
|
|
dim_class->deinterlace_frame_yuy2 = deinterlace_frame_di_greedy_packed;
|
|
dim_class->deinterlace_frame_yvyu = deinterlace_frame_di_greedy_packed;
|
|
dim_class->deinterlace_frame_uyvy = deinterlace_frame_di_greedy_packed;
|
|
dim_class->deinterlace_frame_y444 = deinterlace_frame_di_greedy_planar;
|
|
dim_class->deinterlace_frame_y42b = deinterlace_frame_di_greedy_planar;
|
|
dim_class->deinterlace_frame_i420 = deinterlace_frame_di_greedy_planar;
|
|
dim_class->deinterlace_frame_yv12 = deinterlace_frame_di_greedy_planar;
|
|
dim_class->deinterlace_frame_y41b = deinterlace_frame_di_greedy_planar;
|
|
dim_class->deinterlace_frame_ayuv = deinterlace_frame_di_greedy_planar;
|
|
dim_class->deinterlace_frame_argb = deinterlace_frame_di_greedy_packed;
|
|
dim_class->deinterlace_frame_rgba = deinterlace_frame_di_greedy_packed;
|
|
dim_class->deinterlace_frame_abgr = deinterlace_frame_di_greedy_packed;
|
|
dim_class->deinterlace_frame_bgra = deinterlace_frame_di_greedy_packed;
|
|
dim_class->deinterlace_frame_rgb = deinterlace_frame_di_greedy_packed;
|
|
dim_class->deinterlace_frame_bgr = deinterlace_frame_di_greedy_packed;
|
|
|
|
klass->scanline = deinterlace_greedy_scanline_orc;
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_method_greedy_l_init (GstDeinterlaceMethodGreedyL * self)
|
|
{
|
|
self->max_comb = 15;
|
|
}
|