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Diffstat (limited to 'gst/deinterlace2/tvtime/vfir.c')
| -rw-r--r-- | gst/deinterlace2/tvtime/vfir.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/gst/deinterlace2/tvtime/vfir.c b/gst/deinterlace2/tvtime/vfir.c deleted file mode 100644 index 56950459..00000000 --- a/gst/deinterlace2/tvtime/vfir.c +++ /dev/null @@ -1,187 +0,0 @@ -/* - * - * GStreamer - * Copyright (C) 2004 Billy Biggs <vektor@dumbterm.net> - * Copyright (c) 2001, 2002, 2003 Fabrice Bellard. - * Copyright (C) 2008 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 "_stdint.h" -#include "gstdeinterlace2.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_line_c (GstDeinterlaceMethod * self, GstDeinterlace2 * parent, - guint8 * dst, GstDeinterlaceScanlineData * scanlines, gint width) -{ - gint sum; - guint8 *lum_m4 = scanlines->tt1; - guint8 *lum_m3 = scanlines->t0; - guint8 *lum_m2 = scanlines->m1; - guint8 *lum_m1 = scanlines->b0; - guint8 *lum = scanlines->bb1; - gint size = width * 2; - - 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++; - } -} - -#ifdef BUILD_X86_ASM -#include "mmx.h" -static void -deinterlace_line_mmx (GstDeinterlaceMethod * self, GstDeinterlace2 * parent, - guint8 * dst, GstDeinterlaceScanlineData * scanlines, gint width) -{ - mmx_t rounder; - guint8 *lum_m4 = scanlines->tt1; - guint8 *lum_m3 = scanlines->t0; - guint8 *lum_m2 = scanlines->m1; - guint8 *lum_m1 = scanlines->b0; - guint8 *lum = scanlines->bb1; - - 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 (; width > 1; width -= 2) { - 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 (width > 0) { - scanlines->tt1 = lum_m4; - scanlines->t0 = lum_m3; - scanlines->m1 = lum_m2; - scanlines->b0 = lum_m1; - scanlines->bb1 = lum; - - deinterlace_line_c (self, parent, dst, scanlines, width); - } -} -#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 = deinterlace_line_mmx; - } else { - dism_class->interpolate_scanline = deinterlace_line_c; - } -#else - dism_class->interpolate_scanline = deinterlace_line_c; -#endif -} - -static void -gst_deinterlace_method_vfir_init (GstDeinterlaceMethodVFIR * self) -{ -} |