gst/deinterlace/tvtime/weave.c

   1 /*
   2  * Weave frames
   3  * Copyright (C) 2002 Billy Biggs <vektor@dumbterm.net>.
   4  * Copyright (C) 2008,2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 /*
  23  * Relicensed for GStreamer from GPL to LGPL with permit from Billy Biggs.
  24  * See: http://bugzilla.gnome.org/show_bug.cgi?id=163578
  25  */
  26
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30
  31 #include "gstdeinterlacemethod.h"
  32 #include <string.h>
  33
  34 #define GST_TYPE_DEINTERLACE_METHOD_WEAVE       (gst_deinterlace_method_weave_get_type ())
  35 #define GST_IS_DEINTERLACE_METHOD_WEAVE(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_WEAVE))
  36 #define GST_IS_DEINTERLACE_METHOD_WEAVE_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_WEAVE))
  37 #define GST_DEINTERLACE_METHOD_WEAVE_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_WEAVE, GstDeinterlaceMethodWeaveClass))
  38 #define GST_DEINTERLACE_METHOD_WEAVE(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_WEAVE, GstDeinterlaceMethodWeave))
  39 #define GST_DEINTERLACE_METHOD_WEAVE_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_WEAVE, GstDeinterlaceMethodWeaveClass))
  40 #define GST_DEINTERLACE_METHOD_WEAVE_CAST(obj)  ((GstDeinterlaceMethodWeave*)(obj))
  41
  42 GType gst_deinterlace_method_weave_get_type (void);
  43
  44 typedef GstDeinterlaceSimpleMethod GstDeinterlaceMethodWeave;
  45 typedef GstDeinterlaceSimpleMethodClass GstDeinterlaceMethodWeaveClass;
  46
  47 static void
  48 deinterlace_scanline_weave_packed (GstDeinterlaceSimpleMethod * self,
  49     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  50 {
  51   memcpy (out, scanlines->m1, self->parent.row_stride[0]);
  52 }
  53
  54 static void
  55 deinterlace_scanline_weave_planar_y (GstDeinterlaceSimpleMethod * self,
  56     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  57 {
  58   memcpy (out, scanlines->m1, self->parent.row_stride[0]);
  59 }
  60
  61 static void
  62 deinterlace_scanline_weave_planar_u (GstDeinterlaceSimpleMethod * self,
  63     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  64 {
  65   memcpy (out, scanlines->m1, self->parent.row_stride[1]);
  66 }
  67
  68 static void
  69 deinterlace_scanline_weave_planar_v (GstDeinterlaceSimpleMethod * self,
  70     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  71 {
  72   memcpy (out, scanlines->m1, self->parent.row_stride[2]);
  73 }
  74
  75 static void
  76 copy_scanline_packed (GstDeinterlaceSimpleMethod * self, guint8 * out,
  77     const GstDeinterlaceScanlineData * scanlines)
  78 {
  79   memcpy (out, scanlines->m0, self->parent.row_stride[0]);
  80 }
  81
  82 static void
  83 copy_scanline_planar_y (GstDeinterlaceSimpleMethod * self, guint8 * out,
  84     const GstDeinterlaceScanlineData * scanlines)
  85 {
  86   memcpy (out, scanlines->m0, self->parent.row_stride[0]);
  87 }
  88
  89 static void
  90 copy_scanline_planar_u (GstDeinterlaceSimpleMethod * self, guint8 * out,
  91     const GstDeinterlaceScanlineData * scanlines)
  92 {
  93   memcpy (out, scanlines->m0, self->parent.row_stride[1]);
  94 }
  95
  96 static void
  97 copy_scanline_planar_v (GstDeinterlaceSimpleMethod * self, guint8 * out,
  98     const GstDeinterlaceScanlineData * scanlines)
  99 {
 100   memcpy (out, scanlines->m0, self->parent.row_stride[2]);
 101 }
 102
 103 G_DEFINE_TYPE (GstDeinterlaceMethodWeave, gst_deinterlace_method_weave,
 104     GST_TYPE_DEINTERLACE_SIMPLE_METHOD);
 105
 106 static void
 107 gst_deinterlace_method_weave_class_init (GstDeinterlaceMethodWeaveClass * klass)
 108 {
 109   GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass;
 110   GstDeinterlaceSimpleMethodClass *dism_class =
 111       (GstDeinterlaceSimpleMethodClass *) klass;
 112
 113   dim_class->fields_required = 2;
 114   dim_class->name = "Weave";
 115   dim_class->nick = "weave";
 116   dim_class->latency = 0;
 117
 118   dism_class->interpolate_scanline_ayuv = deinterlace_scanline_weave_packed;
 119   dism_class->interpolate_scanline_yuy2 = deinterlace_scanline_weave_packed;
 120   dism_class->interpolate_scanline_yvyu = deinterlace_scanline_weave_packed;
 121   dism_class->interpolate_scanline_uyvy = deinterlace_scanline_weave_packed;
 122   dism_class->interpolate_scanline_nv12 = deinterlace_scanline_weave_packed;
 123   dism_class->interpolate_scanline_nv21 = deinterlace_scanline_weave_packed;
 124   dism_class->interpolate_scanline_argb = deinterlace_scanline_weave_packed;
 125   dism_class->interpolate_scanline_abgr = deinterlace_scanline_weave_packed;
 126   dism_class->interpolate_scanline_rgba = deinterlace_scanline_weave_packed;
 127   dism_class->interpolate_scanline_bgra = deinterlace_scanline_weave_packed;
 128   dism_class->interpolate_scanline_rgb = deinterlace_scanline_weave_packed;
 129   dism_class->interpolate_scanline_bgr = deinterlace_scanline_weave_packed;
 130   dism_class->interpolate_scanline_planar_y =
 131       deinterlace_scanline_weave_planar_y;
 132   dism_class->interpolate_scanline_planar_u =
 133       deinterlace_scanline_weave_planar_u;
 134   dism_class->interpolate_scanline_planar_v =
 135       deinterlace_scanline_weave_planar_v;
 136
 137   dism_class->copy_scanline_ayuv = copy_scanline_packed;
 138   dism_class->copy_scanline_yuy2 = copy_scanline_packed;
 139   dism_class->copy_scanline_yvyu = copy_scanline_packed;
 140   dism_class->copy_scanline_uyvy = copy_scanline_packed;
 141   dism_class->copy_scanline_nv12 = copy_scanline_packed;
 142   dism_class->copy_scanline_nv21 = copy_scanline_packed;
 143   dism_class->copy_scanline_argb = copy_scanline_packed;
 144   dism_class->copy_scanline_abgr = copy_scanline_packed;
 145   dism_class->copy_scanline_rgba = copy_scanline_packed;
 146   dism_class->copy_scanline_bgra = copy_scanline_packed;
 147   dism_class->copy_scanline_rgb = copy_scanline_packed;
 148   dism_class->copy_scanline_bgr = copy_scanline_packed;
 149   dism_class->copy_scanline_planar_y = copy_scanline_planar_y;
 150   dism_class->copy_scanline_planar_u = copy_scanline_planar_u;
 151   dism_class->copy_scanline_planar_v = copy_scanline_planar_v;
 152 }
 153
 154 static void
 155 gst_deinterlace_method_weave_init (GstDeinterlaceMethodWeave * self)
 156 {
 157 }