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-rw-r--r--gst/deinterlace2/tvtime/linear.c214
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diff --git a/gst/deinterlace2/tvtime/linear.c b/gst/deinterlace2/tvtime/linear.c
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+/**
+ * Copyright (C) 2002 Billy Biggs <vektor@dumbterm.net>.
+ * 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 Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "_stdint.h"
+#include "gstdeinterlace2.h"
+#include <string.h>
+
+#define GST_TYPE_DEINTERLACE_METHOD_LINEAR (gst_deinterlace_method_linear_get_type ())
+#define GST_IS_DEINTERLACE_METHOD_LINEAR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR))
+#define GST_IS_DEINTERLACE_METHOD_LINEAR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_LINEAR))
+#define GST_DEINTERLACE_METHOD_LINEAR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR, GstDeinterlaceMethodLinearClass))
+#define GST_DEINTERLACE_METHOD_LINEAR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR, GstDeinterlaceMethodLinear))
+#define GST_DEINTERLACE_METHOD_LINEAR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_LINEAR, GstDeinterlaceMethodLinearClass))
+#define GST_DEINTERLACE_METHOD_LINEAR_CAST(obj) ((GstDeinterlaceMethodLinear*)(obj))
+
+GType gst_deinterlace_method_linear_get_type (void);
+
+typedef GstDeinterlaceSimpleMethod GstDeinterlaceMethodLinear;
+
+typedef GstDeinterlaceSimpleMethodClass GstDeinterlaceMethodLinearClass;
+
+static void
+deinterlace_scanline_linear_c (GstDeinterlaceMethod * self,
+ GstDeinterlace2 * parent, guint8 * out,
+ GstDeinterlaceScanlineData * scanlines, gint width)
+{
+ gint i;
+
+ width *= 2;
+ for (i = 0; i < width; i++)
+ out[i] = (scanlines->t0[i] + scanlines->b0[i]) / 2;
+}
+
+#ifdef BUILD_X86_ASM
+#include "mmx.h"
+static void
+deinterlace_scanline_linear_mmx (GstDeinterlaceMethod * self,
+ GstDeinterlace2 * parent, guint8 * out,
+ GstDeinterlaceScanlineData * scanlines, gint width)
+{
+ const mmx_t shiftmask = { 0xfefffefffefffeffULL }; /* To avoid shifting chroma to luma. */
+ int i;
+ guint8 *bot = scanlines->b0, *top = scanlines->t0;
+
+ for (i = width / 16; i; --i) {
+ movq_m2r (*bot, mm0);
+ movq_m2r (*top, mm1);
+ movq_m2r (*(bot + 8), mm2);
+ movq_m2r (*(top + 8), mm3);
+ movq_m2r (*(bot + 16), mm4);
+ movq_m2r (*(top + 16), mm5);
+ movq_m2r (*(bot + 24), mm6);
+ movq_m2r (*(top + 24), mm7);
+ pand_m2r (shiftmask, mm0);
+ pand_m2r (shiftmask, mm1);
+ pand_m2r (shiftmask, mm2);
+ pand_m2r (shiftmask, mm3);
+ pand_m2r (shiftmask, mm4);
+ pand_m2r (shiftmask, mm5);
+ pand_m2r (shiftmask, mm6);
+ pand_m2r (shiftmask, mm7);
+ psrlw_i2r (1, mm0);
+ psrlw_i2r (1, mm1);
+ psrlw_i2r (1, mm2);
+ psrlw_i2r (1, mm3);
+ psrlw_i2r (1, mm4);
+ psrlw_i2r (1, mm5);
+ psrlw_i2r (1, mm6);
+ psrlw_i2r (1, mm7);
+ paddb_r2r (mm1, mm0);
+ paddb_r2r (mm3, mm2);
+ paddb_r2r (mm5, mm4);
+ paddb_r2r (mm7, mm6);
+ movq_r2m (mm0, *out);
+ movq_r2m (mm2, *(out + 8));
+ movq_r2m (mm4, *(out + 16));
+ movq_r2m (mm6, *(out + 24));
+ out += 32;
+ top += 32;
+ bot += 32;
+ }
+ width = (width & 0xf);
+
+ for (i = width / 4; i; --i) {
+ movq_m2r (*bot, mm0);
+ movq_m2r (*top, mm1);
+ pand_m2r (shiftmask, mm0);
+ pand_m2r (shiftmask, mm1);
+ psrlw_i2r (1, mm0);
+ psrlw_i2r (1, mm1);
+ paddb_r2r (mm1, mm0);
+ movq_r2m (mm0, *out);
+ out += 8;
+ top += 8;
+ bot += 8;
+ }
+ width = width & 0x7;
+
+ /* Handle last few pixels. */
+ for (i = width * 2; i; --i) {
+ *out++ = ((*top++) + (*bot++)) >> 1;
+ }
+
+ emms ();
+}
+
+#include "sse.h"
+static void
+deinterlace_scanline_linear_mmxext (GstDeinterlaceMethod * self,
+ GstDeinterlace2 * parent, guint8 * out,
+ GstDeinterlaceScanlineData * scanlines, gint width)
+{
+ gint i;
+ guint8 *bot = scanlines->b0, *top = scanlines->t0;
+
+ for (i = width / 16; i; --i) {
+ movq_m2r (*bot, mm0);
+ movq_m2r (*top, mm1);
+ movq_m2r (*(bot + 8), mm2);
+ movq_m2r (*(top + 8), mm3);
+ movq_m2r (*(bot + 16), mm4);
+ movq_m2r (*(top + 16), mm5);
+ movq_m2r (*(bot + 24), mm6);
+ movq_m2r (*(top + 24), mm7);
+ pavgb_r2r (mm1, mm0);
+ pavgb_r2r (mm3, mm2);
+ pavgb_r2r (mm5, mm4);
+ pavgb_r2r (mm7, mm6);
+ movntq_r2m (mm0, *out);
+ movntq_r2m (mm2, *(out + 8));
+ movntq_r2m (mm4, *(out + 16));
+ movntq_r2m (mm6, *(out + 24));
+ out += 32;
+ top += 32;
+ bot += 32;
+ }
+ width = (width & 0xf);
+
+ for (i = width / 4; i; --i) {
+ movq_m2r (*bot, mm0);
+ movq_m2r (*top, mm1);
+ pavgb_r2r (mm1, mm0);
+ movntq_r2m (mm0, *out);
+ out += 8;
+ top += 8;
+ bot += 8;
+ }
+ width = width & 0x7;
+
+ /* Handle last few pixels. */
+ for (i = width * 2; i; --i) {
+ *out++ = ((*top++) + (*bot++)) >> 1;
+ }
+
+ emms ();
+}
+
+#endif
+
+G_DEFINE_TYPE (GstDeinterlaceMethodLinear, gst_deinterlace_method_linear,
+ GST_TYPE_DEINTERLACE_SIMPLE_METHOD);
+
+static void
+gst_deinterlace_method_linear_class_init (GstDeinterlaceMethodLinearClass *
+ 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 = 1;
+ dim_class->name = "Television: Full resolution";
+ dim_class->nick = "linear";
+ dim_class->latency = 0;
+
+ dism_class->interpolate_scanline = deinterlace_scanline_linear_c;
+
+#ifdef BUILD_X86_ASM
+ if (cpu_flags & OIL_IMPL_FLAG_MMXEXT) {
+ dism_class->interpolate_scanline = deinterlace_scanline_linear_mmxext;
+ } else if (cpu_flags & OIL_IMPL_FLAG_MMXEXT) {
+ dism_class->interpolate_scanline = deinterlace_scanline_linear_mmx;
+ }
+#endif
+}
+
+static void
+gst_deinterlace_method_linear_init (GstDeinterlaceMethodLinear * self)
+{
+}