gst/deinterlace/tvtime/scalerbob.c

   1 /*
   2  * Double lines
   3  * Copyright (C) 2008,2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 # include "config.h"
  23 #endif
  24
  25 #include "gstdeinterlacemethod.h"
  26 #include <string.h>
  27
  28 #define GST_TYPE_DEINTERLACE_METHOD_SCALER_BOB  (gst_deinterlace_method_scaler_bob_get_type ())
  29 #define GST_IS_DEINTERLACE_METHOD_SCALER_BOB(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_SCALER_BOB))
  30 #define GST_IS_DEINTERLACE_METHOD_SCALER_BOB_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_SCALER_BOB))
  31 #define GST_DEINTERLACE_METHOD_SCALER_BOB_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_SCALER_BOB, GstDeinterlaceMethodScalerBobClass))
  32 #define GST_DEINTERLACE_METHOD_SCALER_BOB(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_SCALER_BOB, GstDeinterlaceMethodScalerBob))
  33 #define GST_DEINTERLACE_METHOD_SCALER_BOB_CLASS(klass)  (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_SCALER_BOB, GstDeinterlaceMethodScalerBobClass))
  34 #define GST_DEINTERLACE_METHOD_SCALER_BOB_CAST(obj)     ((GstDeinterlaceMethodScalerBob*)(obj))
  35
  36 GType gst_deinterlace_method_scaler_bob_get_type (void);
  37
  38 typedef GstDeinterlaceSimpleMethod GstDeinterlaceMethodScalerBob;
  39 typedef GstDeinterlaceSimpleMethodClass GstDeinterlaceMethodScalerBobClass;
  40
  41 static void
  42 deinterlace_scanline_scaler_bob_packed (GstDeinterlaceSimpleMethod * self,
  43     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  44 {
  45   memcpy (out, scanlines->t0, self->parent.row_stride[0]);
  46 }
  47
  48 static void
  49 deinterlace_scanline_scaler_bob_planar_y (GstDeinterlaceSimpleMethod * self,
  50     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  51 {
  52   memcpy (out, scanlines->t0, self->parent.row_stride[0]);
  53 }
  54
  55 static void
  56 deinterlace_scanline_scaler_bob_planar_u (GstDeinterlaceSimpleMethod * self,
  57     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  58 {
  59   memcpy (out, scanlines->t0, self->parent.row_stride[1]);
  60 }
  61
  62 static void
  63 deinterlace_scanline_scaler_bob_planar_v (GstDeinterlaceSimpleMethod * self,
  64     guint8 * out, const GstDeinterlaceScanlineData * scanlines)
  65 {
  66   memcpy (out, scanlines->t0, self->parent.row_stride[2]);
  67 }
  68
  69 G_DEFINE_TYPE (GstDeinterlaceMethodScalerBob, gst_deinterlace_method_scaler_bob,
  70     GST_TYPE_DEINTERLACE_SIMPLE_METHOD);
  71
  72 static void
  73 gst_deinterlace_method_scaler_bob_class_init (GstDeinterlaceMethodScalerBobClass
  74     * klass)
  75 {
  76   GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass;
  77   GstDeinterlaceSimpleMethodClass *dism_class =
  78       (GstDeinterlaceSimpleMethodClass *) klass;
  79
  80   dim_class->fields_required = 2;
  81   dim_class->name = "Double lines";
  82   dim_class->nick = "scalerbob";
  83   dim_class->latency = 1;
  84
  85   dism_class->interpolate_scanline_ayuv =
  86       deinterlace_scanline_scaler_bob_packed;
  87   dism_class->interpolate_scanline_yuy2 =
  88       deinterlace_scanline_scaler_bob_packed;
  89   dism_class->interpolate_scanline_yvyu =
  90       deinterlace_scanline_scaler_bob_packed;
  91   dism_class->interpolate_scanline_uyvy =
  92       deinterlace_scanline_scaler_bob_packed;
  93   dism_class->interpolate_scanline_nv12 =
  94       deinterlace_scanline_scaler_bob_packed;
  95   dism_class->interpolate_scanline_nv21 =
  96       deinterlace_scanline_scaler_bob_packed;
  97   dism_class->interpolate_scanline_argb =
  98       deinterlace_scanline_scaler_bob_packed;
  99   dism_class->interpolate_scanline_abgr =
 100       deinterlace_scanline_scaler_bob_packed;
 101   dism_class->interpolate_scanline_rgba =
 102       deinterlace_scanline_scaler_bob_packed;
 103   dism_class->interpolate_scanline_bgra =
 104       deinterlace_scanline_scaler_bob_packed;
 105   dism_class->interpolate_scanline_rgb = deinterlace_scanline_scaler_bob_packed;
 106   dism_class->interpolate_scanline_bgr = deinterlace_scanline_scaler_bob_packed;
 107   dism_class->interpolate_scanline_planar_y =
 108       deinterlace_scanline_scaler_bob_planar_y;
 109   dism_class->interpolate_scanline_planar_u =
 110       deinterlace_scanline_scaler_bob_planar_u;
 111   dism_class->interpolate_scanline_planar_v =
 112       deinterlace_scanline_scaler_bob_planar_v;
 113 }
 114
 115 static void
 116 gst_deinterlace_method_scaler_bob_init (GstDeinterlaceMethodScalerBob * self)
 117 {
 118 }