mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-22 16:26:39 +00:00
313 lines
11 KiB
C
313 lines
11 KiB
C
/*
|
|
*
|
|
* GStreamer
|
|
* Copyright (C) 2004 Billy Biggs <vektor@dumbterm.net>
|
|
* Copyright (c) 2001, 2002, 2003 Fabrice Bellard.
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* This file contains code from ffmpeg, see http://ffmpeg.org/ (LGPL)
|
|
* and modifications by Billy Biggs.
|
|
*
|
|
* 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_VFIR (gst_deinterlace_method_vfir_get_type ())
|
|
#define GST_IS_DEINTERLACE_METHOD_VFIR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_VFIR))
|
|
#define GST_IS_DEINTERLACE_METHOD_VFIR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_VFIR))
|
|
#define GST_DEINTERLACE_METHOD_VFIR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_VFIR, GstDeinterlaceMethodVFIRClass))
|
|
#define GST_DEINTERLACE_METHOD_VFIR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_VFIR, GstDeinterlaceMethodVFIR))
|
|
#define GST_DEINTERLACE_METHOD_VFIR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_VFIR, GstDeinterlaceMethodVFIRClass))
|
|
#define GST_DEINTERLACE_METHOD_VFIR_CAST(obj) ((GstDeinterlaceMethodVFIR*)(obj))
|
|
|
|
GType gst_deinterlace_method_vfir_get_type (void);
|
|
|
|
typedef GstDeinterlaceSimpleMethod GstDeinterlaceMethodVFIR;
|
|
|
|
typedef GstDeinterlaceSimpleMethodClass GstDeinterlaceMethodVFIRClass;
|
|
|
|
/*
|
|
* The MPEG2 spec uses a slightly harsher filter, they specify
|
|
* [-1 8 2 8 -1]. ffmpeg uses a similar filter but with more of
|
|
* a tendancy to blur than to use the local information. The
|
|
* filter taps here are: [-1 4 2 4 -1].
|
|
*/
|
|
|
|
/**
|
|
* C implementation.
|
|
*/
|
|
static inline void
|
|
deinterlace_c (guint8 * dst, const guint8 * lum_m4, const guint8 * lum_m3,
|
|
const guint8 * lum_m2, const guint8 * lum_m1, const guint8 * lum, gint size)
|
|
{
|
|
gint sum;
|
|
|
|
for (; size >= 0; size--) {
|
|
sum = -lum_m4[0];
|
|
sum += lum_m3[0] << 2;
|
|
sum += lum_m2[0] << 1;
|
|
sum += lum_m1[0] << 2;
|
|
sum += -lum[0];
|
|
dst[0] = (sum + 4) >> 3; // This needs to be clipped at 0 and 255: cm[(sum + 4) >> 3];
|
|
lum_m4++;
|
|
lum_m3++;
|
|
lum_m2++;
|
|
lum_m1++;
|
|
lum++;
|
|
dst++;
|
|
}
|
|
}
|
|
|
|
static void
|
|
deinterlace_line_packed_c (GstDeinterlaceSimpleMethod * self, guint8 * dst,
|
|
const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
const guint8 *lum_m4 = scanlines->tt1;
|
|
const guint8 *lum_m3 = scanlines->t0;
|
|
const guint8 *lum_m2 = scanlines->m1;
|
|
const guint8 *lum_m1 = scanlines->b0;
|
|
const guint8 *lum = scanlines->bb1;
|
|
gint size = self->parent.row_stride[0];
|
|
|
|
deinterlace_c (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
|
|
}
|
|
|
|
static void
|
|
deinterlace_line_planar_y_c (GstDeinterlaceSimpleMethod * self, guint8 * dst,
|
|
const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
const guint8 *lum_m4 = scanlines->tt1;
|
|
const guint8 *lum_m3 = scanlines->t0;
|
|
const guint8 *lum_m2 = scanlines->m1;
|
|
const guint8 *lum_m1 = scanlines->b0;
|
|
const guint8 *lum = scanlines->bb1;
|
|
gint size = self->parent.row_stride[0];
|
|
|
|
deinterlace_c (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
|
|
}
|
|
|
|
static void
|
|
deinterlace_line_planar_u_c (GstDeinterlaceSimpleMethod * self, guint8 * dst,
|
|
const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
const guint8 *lum_m4 = scanlines->tt1;
|
|
const guint8 *lum_m3 = scanlines->t0;
|
|
const guint8 *lum_m2 = scanlines->m1;
|
|
const guint8 *lum_m1 = scanlines->b0;
|
|
const guint8 *lum = scanlines->bb1;
|
|
gint size = self->parent.row_stride[1];
|
|
|
|
deinterlace_c (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
|
|
}
|
|
|
|
static void
|
|
deinterlace_line_planar_v_c (GstDeinterlaceSimpleMethod * self, guint8 * dst,
|
|
const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
const guint8 *lum_m4 = scanlines->tt1;
|
|
const guint8 *lum_m3 = scanlines->t0;
|
|
const guint8 *lum_m2 = scanlines->m1;
|
|
const guint8 *lum_m1 = scanlines->b0;
|
|
const guint8 *lum = scanlines->bb1;
|
|
gint size = self->parent.row_stride[2];
|
|
|
|
deinterlace_c (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
|
|
}
|
|
|
|
#ifdef BUILD_X86_ASM
|
|
#include "mmx.h"
|
|
static void
|
|
deinterlace_mmx (guint8 * dst, const guint8 * lum_m4, const guint8 * lum_m3,
|
|
const guint8 * lum_m2, const guint8 * lum_m1, const guint8 * lum, gint size)
|
|
{
|
|
mmx_t rounder;
|
|
|
|
rounder.uw[0] = 4;
|
|
rounder.uw[1] = 4;
|
|
rounder.uw[2] = 4;
|
|
rounder.uw[3] = 4;
|
|
pxor_r2r (mm7, mm7);
|
|
movq_m2r (rounder, mm6);
|
|
|
|
for (; size > 3; size -= 4) {
|
|
movd_m2r (*lum_m4, mm0);
|
|
movd_m2r (*lum_m3, mm1);
|
|
movd_m2r (*lum_m2, mm2);
|
|
movd_m2r (*lum_m1, mm3);
|
|
movd_m2r (*lum, mm4);
|
|
punpcklbw_r2r (mm7, mm0);
|
|
punpcklbw_r2r (mm7, mm1);
|
|
punpcklbw_r2r (mm7, mm2);
|
|
punpcklbw_r2r (mm7, mm3);
|
|
punpcklbw_r2r (mm7, mm4);
|
|
paddw_r2r (mm3, mm1);
|
|
psllw_i2r (1, mm2);
|
|
paddw_r2r (mm4, mm0);
|
|
psllw_i2r (2, mm1); // 2
|
|
paddw_r2r (mm6, mm2);
|
|
paddw_r2r (mm2, mm1);
|
|
psubusw_r2r (mm0, mm1);
|
|
psrlw_i2r (3, mm1); // 3
|
|
packuswb_r2r (mm7, mm1);
|
|
movd_r2m (mm1, *dst);
|
|
lum_m4 += 4;
|
|
lum_m3 += 4;
|
|
lum_m2 += 4;
|
|
lum_m1 += 4;
|
|
lum += 4;
|
|
dst += 4;
|
|
}
|
|
emms ();
|
|
|
|
/* Handle odd widths */
|
|
if (size > 0)
|
|
deinterlace_c (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
|
|
}
|
|
|
|
static void
|
|
deinterlace_line_packed_mmx (GstDeinterlaceSimpleMethod * self, guint8 * dst,
|
|
const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
const guint8 *lum_m4 = scanlines->tt1;
|
|
const guint8 *lum_m3 = scanlines->t0;
|
|
const guint8 *lum_m2 = scanlines->m1;
|
|
const guint8 *lum_m1 = scanlines->b0;
|
|
const guint8 *lum = scanlines->bb1;
|
|
gint size = self->parent.row_stride[0];
|
|
|
|
deinterlace_mmx (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
|
|
}
|
|
|
|
static void
|
|
deinterlace_line_planar_y_mmx (GstDeinterlaceSimpleMethod * self, guint8 * dst,
|
|
const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
const guint8 *lum_m4 = scanlines->tt1;
|
|
const guint8 *lum_m3 = scanlines->t0;
|
|
const guint8 *lum_m2 = scanlines->m1;
|
|
const guint8 *lum_m1 = scanlines->b0;
|
|
const guint8 *lum = scanlines->bb1;
|
|
gint size = self->parent.row_stride[0];
|
|
|
|
deinterlace_mmx (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
|
|
}
|
|
|
|
static void
|
|
deinterlace_line_planar_u_mmx (GstDeinterlaceSimpleMethod * self, guint8 * dst,
|
|
const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
const guint8 *lum_m4 = scanlines->tt1;
|
|
const guint8 *lum_m3 = scanlines->t0;
|
|
const guint8 *lum_m2 = scanlines->m1;
|
|
const guint8 *lum_m1 = scanlines->b0;
|
|
const guint8 *lum = scanlines->bb1;
|
|
gint size = self->parent.row_stride[1];
|
|
|
|
deinterlace_mmx (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
|
|
}
|
|
|
|
static void
|
|
deinterlace_line_planar_v_mmx (GstDeinterlaceSimpleMethod * self, guint8 * dst,
|
|
const GstDeinterlaceScanlineData * scanlines)
|
|
{
|
|
const guint8 *lum_m4 = scanlines->tt1;
|
|
const guint8 *lum_m3 = scanlines->t0;
|
|
const guint8 *lum_m2 = scanlines->m1;
|
|
const guint8 *lum_m1 = scanlines->b0;
|
|
const guint8 *lum = scanlines->bb1;
|
|
gint size = self->parent.row_stride[2];
|
|
|
|
deinterlace_mmx (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
|
|
}
|
|
#endif
|
|
|
|
G_DEFINE_TYPE (GstDeinterlaceMethodVFIR, gst_deinterlace_method_vfir,
|
|
GST_TYPE_DEINTERLACE_SIMPLE_METHOD);
|
|
|
|
static void
|
|
gst_deinterlace_method_vfir_class_init (GstDeinterlaceMethodVFIRClass * klass)
|
|
{
|
|
GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass;
|
|
GstDeinterlaceSimpleMethodClass *dism_class =
|
|
(GstDeinterlaceSimpleMethodClass *) klass;
|
|
#ifdef BUILD_X86_ASM
|
|
guint cpu_flags = oil_cpu_get_flags ();
|
|
#endif
|
|
|
|
dim_class->fields_required = 2;
|
|
dim_class->name = "Blur Vertical";
|
|
dim_class->nick = "vfir";
|
|
dim_class->latency = 0;
|
|
|
|
#ifdef BUILD_X86_ASM
|
|
if (cpu_flags & OIL_IMPL_FLAG_MMX) {
|
|
dism_class->interpolate_scanline_ayuv = deinterlace_line_packed_mmx;
|
|
dism_class->interpolate_scanline_yuy2 = deinterlace_line_packed_mmx;
|
|
dism_class->interpolate_scanline_yvyu = deinterlace_line_packed_mmx;
|
|
dism_class->interpolate_scanline_argb = deinterlace_line_packed_mmx;
|
|
dism_class->interpolate_scanline_abgr = deinterlace_line_packed_mmx;
|
|
dism_class->interpolate_scanline_rgba = deinterlace_line_packed_mmx;
|
|
dism_class->interpolate_scanline_bgra = deinterlace_line_packed_mmx;
|
|
dism_class->interpolate_scanline_rgb = deinterlace_line_packed_mmx;
|
|
dism_class->interpolate_scanline_bgr = deinterlace_line_packed_mmx;
|
|
dism_class->interpolate_scanline_planar_y = deinterlace_line_planar_y_mmx;
|
|
dism_class->interpolate_scanline_planar_u = deinterlace_line_planar_u_mmx;
|
|
dism_class->interpolate_scanline_planar_v = deinterlace_line_planar_v_mmx;
|
|
} else {
|
|
dism_class->interpolate_scanline_yuy2 = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_yvyu = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_ayuv = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_argb = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_abgr = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_rgba = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_bgra = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_rgb = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_bgr = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_planar_y = deinterlace_line_planar_y_c;
|
|
dism_class->interpolate_scanline_planar_u = deinterlace_line_planar_u_c;
|
|
dism_class->interpolate_scanline_planar_v = deinterlace_line_planar_v_c;
|
|
}
|
|
#else
|
|
dism_class->interpolate_scanline_ayuv = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_yuy2 = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_yvyu = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_argb = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_abgr = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_rgba = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_bgra = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_rgb = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_bgr = deinterlace_line_packed_c;
|
|
dism_class->interpolate_scanline_planar_y = deinterlace_line_planar_y_c;
|
|
dism_class->interpolate_scanline_planar_u = deinterlace_line_planar_u_c;
|
|
dism_class->interpolate_scanline_planar_v = deinterlace_line_planar_v_c;
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_method_vfir_init (GstDeinterlaceMethodVFIR * self)
|
|
{
|
|
}
|