gst/deinterlace/tvtime/linearblend.c

   1 /*
   2  * Linear blend deinterlacing plugin.  The idea for this algorithm came
   3  * from the linear blend deinterlacer which originated in the mplayer
   4  * sources.
   5  *
   6  * Copyright (C) 2002 Billy Biggs <vektor@dumbterm.net>.
   7  * Copyright (C) 2008,2010 Sebastian Dröge <slomo@collabora.co.uk>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the
  21  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  22  * Boston, MA 02111-1307, USA.
  23  */
  24
  25 /*
  26  * Relicensed for GStreamer from GPL to LGPL with permit from Billy Biggs.
  27  * See: http://bugzilla.gnome.org/show_bug.cgi?id=163578
  28  */
  29
  30 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include "gstdeinterlacemethod.h"
  35 #include <string.h>
  36 #ifdef HAVE_ORC
  37 #include <orc/orc.h>
  38 #endif
  39 #include "tvtime.h"
  40
  41 #define GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND        (gst_deinterlace_method_linear_blend_get_type ())
  42 #define GST_IS_DEINTERLACE_METHOD_LINEAR_BLEND(obj)             (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND))
  43 #define GST_IS_DEINTERLACE_METHOD_LINEAR_BLEND_CLASS(klass)     (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND))
  44 #define GST_DEINTERLACE_METHOD_LINEAR_BLEND_GET_CLASS(obj)      (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND, GstDeinterlaceMethodLinearBlendClass))
  45 #define GST_DEINTERLACE_METHOD_LINEAR_BLEND(obj)                (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND, GstDeinterlaceMethodLinearBlend))
  46 #define GST_DEINTERLACE_METHOD_LINEAR_BLEND_CLASS(klass)        (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND, GstDeinterlaceMethodLinearBlendClass))
  47 #define GST_DEINTERLACE_METHOD_LINEAR_BLEND_CAST(obj)   ((GstDeinterlaceMethodLinearBlend*)(obj))
  48
  49 GType gst_deinterlace_method_linear_blend_get_type (void);
  50
  51 typedef GstDeinterlaceSimpleMethod GstDeinterlaceMethodLinearBlend;
  52 typedef GstDeinterlaceSimpleMethodClass GstDeinterlaceMethodLinearBlendClass;
  53
  54 static inline void
  55 deinterlace_scanline_linear_blend_c (GstDeinterlaceSimpleMethod * self,
  56     guint8 * out, const guint8 * t0, const guint8 * b0, const guint8 * m1,
  57     gint size)
  58 {
  59   if (m1 == NULL) {
  60     deinterlace_line_linear (out, t0, b0, size);
  61   } else {
  62     deinterlace_line_linear_blend (out, t0, b0, m1, size);
  63   }
  64 }
  65
  66 static void
  67 deinterlace_scanline_linear_blend_packed_c (GstDeinterlaceSimpleMethod * self,
  68     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  69 {
  70   deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0,
  71       scanlines->m1, self->parent.row_stride[0]);
  72 }
  73
  74 static void
  75 deinterlace_scanline_linear_blend_planar_y_c (GstDeinterlaceSimpleMethod * self,
  76     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  77 {
  78   deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0,
  79       scanlines->m1, self->parent.row_stride[0]);
  80 }
  81
  82 static void
  83 deinterlace_scanline_linear_blend_planar_u_c (GstDeinterlaceSimpleMethod * self,
  84     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  85 {
  86   deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0,
  87       scanlines->m1, self->parent.row_stride[1]);
  88 }
  89
  90 static void
  91 deinterlace_scanline_linear_blend_planar_v_c (GstDeinterlaceSimpleMethod * self,
  92     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  93 {
  94   deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0,
  95       scanlines->m1, self->parent.row_stride[2]);
  96 }
  97
  98 static inline void
  99 deinterlace_scanline_linear_blend2_c (GstDeinterlaceSimpleMethod * self,
 100     guint8 * out, const guint8 * m0, const guint8 * t1, const guint8 * b1,
 101     gint size)
 102 {
 103   if (t1 == NULL) {
 104     memcpy (out, m0, size);
 105   } else {
 106     deinterlace_line_linear_blend (out, t1, b1, m0, size);
 107   }
 108 }
 109
 110 static void
 111 deinterlace_scanline_linear_blend2_packed_c (GstDeinterlaceSimpleMethod * self,
 112     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
 113 {
 114   deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1,
 115       scanlines->b1, self->parent.row_stride[0]);
 116 }
 117
 118 static void
 119 deinterlace_scanline_linear_blend2_planar_y_c (GstDeinterlaceSimpleMethod *
 120     self, guint8 * out, const GstDeinterlaceScanlineData * scanlines)
 121 {
 122   deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1,
 123       scanlines->b1, self->parent.row_stride[0]);
 124 }
 125
 126 static void
 127 deinterlace_scanline_linear_blend2_planar_u_c (GstDeinterlaceSimpleMethod *
 128     self, guint8 * out, const GstDeinterlaceScanlineData * scanlines)
 129 {
 130   deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1,
 131       scanlines->b1, self->parent.row_stride[1]);
 132 }
 133
 134 static void
 135 deinterlace_scanline_linear_blend2_planar_v_c (GstDeinterlaceSimpleMethod *
 136     self, guint8 * out, const GstDeinterlaceScanlineData * scanlines)
 137 {
 138   deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1,
 139       scanlines->b1, self->parent.row_stride[2]);
 140 }
 141
 142 G_DEFINE_TYPE (GstDeinterlaceMethodLinearBlend,
 143     gst_deinterlace_method_linear_blend, GST_TYPE_DEINTERLACE_SIMPLE_METHOD);
 144
 145 static void
 146     gst_deinterlace_method_linear_blend_class_init
 147     (GstDeinterlaceMethodLinearBlendClass * klass)
 148 {
 149   GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass;
 150   GstDeinterlaceSimpleMethodClass *dism_class =
 151       (GstDeinterlaceSimpleMethodClass *) klass;
 152
 153   dim_class->fields_required = 2;
 154   dim_class->name = "Blur: Temporal";
 155   dim_class->nick = "linearblend";
 156   dim_class->latency = 1;
 157
 158   dism_class->interpolate_scanline_yuy2 =
 159       deinterlace_scanline_linear_blend_packed_c;
 160   dism_class->interpolate_scanline_yvyu =
 161       deinterlace_scanline_linear_blend_packed_c;
 162   dism_class->interpolate_scanline_uyvy =
 163       deinterlace_scanline_linear_blend_packed_c;
 164   dism_class->interpolate_scanline_ayuv =
 165       deinterlace_scanline_linear_blend_packed_c;
 166   dism_class->interpolate_scanline_argb =
 167       deinterlace_scanline_linear_blend_packed_c;
 168   dism_class->interpolate_scanline_rgba =
 169       deinterlace_scanline_linear_blend_packed_c;
 170   dism_class->interpolate_scanline_abgr =
 171       deinterlace_scanline_linear_blend_packed_c;
 172   dism_class->interpolate_scanline_bgra =
 173       deinterlace_scanline_linear_blend_packed_c;
 174   dism_class->interpolate_scanline_rgb =
 175       deinterlace_scanline_linear_blend_packed_c;
 176   dism_class->interpolate_scanline_bgr =
 177       deinterlace_scanline_linear_blend_packed_c;
 178   dism_class->interpolate_scanline_nv12 =
 179       deinterlace_scanline_linear_blend_packed_c;
 180   dism_class->interpolate_scanline_nv21 =
 181       deinterlace_scanline_linear_blend_packed_c;
 182
 183   dism_class->interpolate_scanline_planar_y =
 184       deinterlace_scanline_linear_blend_planar_y_c;
 185   dism_class->interpolate_scanline_planar_u =
 186       deinterlace_scanline_linear_blend_planar_u_c;
 187   dism_class->interpolate_scanline_planar_v =
 188       deinterlace_scanline_linear_blend_planar_v_c;
 189
 190   dism_class->copy_scanline_yuy2 = deinterlace_scanline_linear_blend2_packed_c;
 191   dism_class->copy_scanline_yvyu = deinterlace_scanline_linear_blend2_packed_c;
 192   dism_class->copy_scanline_uyvy = deinterlace_scanline_linear_blend2_packed_c;
 193   dism_class->copy_scanline_ayuv = deinterlace_scanline_linear_blend2_packed_c;
 194   dism_class->copy_scanline_argb = deinterlace_scanline_linear_blend2_packed_c;
 195   dism_class->copy_scanline_abgr = deinterlace_scanline_linear_blend2_packed_c;
 196   dism_class->copy_scanline_rgba = deinterlace_scanline_linear_blend2_packed_c;
 197   dism_class->copy_scanline_bgra = deinterlace_scanline_linear_blend2_packed_c;
 198   dism_class->copy_scanline_rgb = deinterlace_scanline_linear_blend2_packed_c;
 199   dism_class->copy_scanline_bgr = deinterlace_scanline_linear_blend2_packed_c;
 200
 201   dism_class->copy_scanline_planar_y =
 202       deinterlace_scanline_linear_blend2_planar_y_c;
 203   dism_class->copy_scanline_planar_u =
 204       deinterlace_scanline_linear_blend2_planar_u_c;
 205   dism_class->copy_scanline_planar_v =
 206       deinterlace_scanline_linear_blend2_planar_v_c;
 207
 208 }
 209
 210 static void
 211 gst_deinterlace_method_linear_blend_init (GstDeinterlaceMethodLinearBlend *
 212     self)
 213 {
 214 }