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gstreamer/gst/deinterlace/tvtime/vfir.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

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/*
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, 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>
#ifdef HAVE_ORC
#include <orc/orc.h>
#endif
#include "tvtime.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)
{
if (lum_m2 == NULL) {
deinterlace_line_linear (dst, lum_m1, lum_m3, size);
} else {
deinterlace_line_vfir (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
}
}
static void
deinterlace_line_packed_c (GstDeinterlaceSimpleMethod * self, guint8 * dst,
const GstDeinterlaceScanlineData * scanlines, guint size)
{
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;
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, guint size)
{
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;
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, guint size)
{
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;
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, guint size)
{
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;
deinterlace_c (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
}
#undef BUILD_X86_ASM
#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 =
orc_target_get_default_flags (orc_target_get_by_name ("mmx"));
#endif
dim_class->fields_required = 2;
dim_class->name = "Blur Vertical";
dim_class->nick = "vfir";
dim_class->latency = 1;
#ifdef BUILD_X86_ASM
if (cpu_flags & ORC_TARGET_MMX_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_uyvy = deinterlace_line_packed_mmx;
dism_class->interpolate_scanline_nv12 = deinterlace_line_packed_mmx;
dism_class->interpolate_scanline_nv21 = 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_uyvy = deinterlace_line_packed_c;
dism_class->interpolate_scanline_ayuv = deinterlace_line_packed_c;
dism_class->interpolate_scanline_nv12 = deinterlace_line_packed_c;
dism_class->interpolate_scanline_nv21 = 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_uyvy = deinterlace_line_packed_c;
dism_class->interpolate_scanline_nv12 = deinterlace_line_packed_c;
dism_class->interpolate_scanline_nv21 = 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)
{
}
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