tizen 2.4 releasetizen_2.4_mobile_releasesubmit/tizen_2.4/20151028.064339accepted/tizen/2.4/mobile/20151029.032704accepted/tizen_2.4_mobile

1 files changed, 802 insertions, 0 deletions

diff --git a/gst/deinterlace/gstdeinterlacemethod.c b/gst/deinterlace/gstdeinterlacemethod.c
new file mode 100755
index 0000000..93e77e7
--- /dev/null
+++ b/gst/deinterlace/gstdeinterlacemethod.c
@@ -0,0 +1,802 @@
+/*
+ * GStreamer
+ * Copyright (C) 2008-2010 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., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include "gstdeinterlacemethod.h"
+
+G_DEFINE_ABSTRACT_TYPE (GstDeinterlaceMethod, gst_deinterlace_method,
+    GST_TYPE_OBJECT);
+
+gboolean
+gst_deinterlace_method_supported (GType type, GstVideoFormat format, gint width,
+    gint height)
+{
+  GstDeinterlaceMethodClass *klass =
+      GST_DEINTERLACE_METHOD_CLASS (g_type_class_ref (type));
+  gboolean ret;
+
+  if (format == GST_VIDEO_FORMAT_UNKNOWN)
+    ret = TRUE;
+  else
+    ret = klass->supported (klass, format, width, height);
+  g_type_class_unref (klass);
+
+  return ret;
+}
+
+static gboolean
+gst_deinterlace_method_supported_impl (GstDeinterlaceMethodClass * klass,
+    GstVideoFormat format, gint width, gint height)
+{
+  switch (format) {
+    case GST_VIDEO_FORMAT_YUY2:
+      return (klass->deinterlace_frame_yuy2 != NULL);
+    case GST_VIDEO_FORMAT_YVYU:
+      return (klass->deinterlace_frame_yvyu != NULL);
+    case GST_VIDEO_FORMAT_UYVY:
+      return (klass->deinterlace_frame_uyvy != NULL);
+    case GST_VIDEO_FORMAT_I420:
+      return (klass->deinterlace_frame_i420 != NULL);
+    case GST_VIDEO_FORMAT_YV12:
+      return (klass->deinterlace_frame_yv12 != NULL);
+    case GST_VIDEO_FORMAT_Y444:
+      return (klass->deinterlace_frame_y444 != NULL);
+    case GST_VIDEO_FORMAT_Y42B:
+      return (klass->deinterlace_frame_y42b != NULL);
+    case GST_VIDEO_FORMAT_Y41B:
+      return (klass->deinterlace_frame_y41b != NULL);
+    case GST_VIDEO_FORMAT_AYUV:
+      return (klass->deinterlace_frame_ayuv != NULL);
+    case GST_VIDEO_FORMAT_NV12:
+      return (klass->deinterlace_frame_nv12 != NULL);
+    case GST_VIDEO_FORMAT_NV21:
+      return (klass->deinterlace_frame_nv21 != NULL);
+    case GST_VIDEO_FORMAT_ARGB:
+    case GST_VIDEO_FORMAT_xRGB:
+      return (klass->deinterlace_frame_argb != NULL);
+    case GST_VIDEO_FORMAT_ABGR:
+    case GST_VIDEO_FORMAT_xBGR:
+      return (klass->deinterlace_frame_abgr != NULL);
+    case GST_VIDEO_FORMAT_RGBA:
+    case GST_VIDEO_FORMAT_RGBx:
+      return (klass->deinterlace_frame_rgba != NULL);
+    case GST_VIDEO_FORMAT_BGRA:
+    case GST_VIDEO_FORMAT_BGRx:
+      return (klass->deinterlace_frame_bgra != NULL);
+    case GST_VIDEO_FORMAT_RGB:
+      return (klass->deinterlace_frame_rgb != NULL);
+    case GST_VIDEO_FORMAT_BGR:
+      return (klass->deinterlace_frame_bgr != NULL);
+    default:
+      return FALSE;
+  }
+}
+
+void
+gst_deinterlace_method_setup (GstDeinterlaceMethod * self, GstVideoInfo * vinfo)
+{
+  GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
+
+  klass->setup (self, vinfo);
+}
+
+static void
+gst_deinterlace_method_setup_impl (GstDeinterlaceMethod * self,
+    GstVideoInfo * vinfo)
+{
+  GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
+
+  self->vinfo = vinfo;
+
+  self->deinterlace_frame = NULL;
+
+  if (GST_VIDEO_INFO_FORMAT (self->vinfo) == GST_VIDEO_FORMAT_UNKNOWN)
+    return;
+
+  switch (GST_VIDEO_INFO_FORMAT (self->vinfo)) {
+    case GST_VIDEO_FORMAT_YUY2:
+      self->deinterlace_frame = klass->deinterlace_frame_yuy2;
+      break;
+    case GST_VIDEO_FORMAT_YVYU:
+      self->deinterlace_frame = klass->deinterlace_frame_yvyu;
+      break;
+    case GST_VIDEO_FORMAT_UYVY:
+      self->deinterlace_frame = klass->deinterlace_frame_uyvy;
+      break;
+    case GST_VIDEO_FORMAT_I420:
+      self->deinterlace_frame = klass->deinterlace_frame_i420;
+      break;
+    case GST_VIDEO_FORMAT_YV12:
+      self->deinterlace_frame = klass->deinterlace_frame_yv12;
+      break;
+    case GST_VIDEO_FORMAT_Y444:
+      self->deinterlace_frame = klass->deinterlace_frame_y444;
+      break;
+    case GST_VIDEO_FORMAT_Y42B:
+      self->deinterlace_frame = klass->deinterlace_frame_y42b;
+      break;
+    case GST_VIDEO_FORMAT_Y41B:
+      self->deinterlace_frame = klass->deinterlace_frame_y41b;
+      break;
+    case GST_VIDEO_FORMAT_AYUV:
+      self->deinterlace_frame = klass->deinterlace_frame_ayuv;
+      break;
+    case GST_VIDEO_FORMAT_NV12:
+      self->deinterlace_frame = klass->deinterlace_frame_nv12;
+      break;
+    case GST_VIDEO_FORMAT_NV21:
+      self->deinterlace_frame = klass->deinterlace_frame_nv21;
+      break;
+    case GST_VIDEO_FORMAT_ARGB:
+    case GST_VIDEO_FORMAT_xRGB:
+      self->deinterlace_frame = klass->deinterlace_frame_argb;
+      break;
+    case GST_VIDEO_FORMAT_ABGR:
+    case GST_VIDEO_FORMAT_xBGR:
+      self->deinterlace_frame = klass->deinterlace_frame_abgr;
+      break;
+    case GST_VIDEO_FORMAT_RGBA:
+    case GST_VIDEO_FORMAT_RGBx:
+      self->deinterlace_frame = klass->deinterlace_frame_rgba;
+      break;
+    case GST_VIDEO_FORMAT_BGRA:
+    case GST_VIDEO_FORMAT_BGRx:
+      self->deinterlace_frame = klass->deinterlace_frame_bgra;
+      break;
+    case GST_VIDEO_FORMAT_RGB:
+      self->deinterlace_frame = klass->deinterlace_frame_rgb;
+      break;
+    case GST_VIDEO_FORMAT_BGR:
+      self->deinterlace_frame = klass->deinterlace_frame_bgr;
+      break;
+    default:
+      self->deinterlace_frame = NULL;
+      break;
+  }
+}
+
+static void
+gst_deinterlace_method_class_init (GstDeinterlaceMethodClass * klass)
+{
+  klass->setup = gst_deinterlace_method_setup_impl;
+  klass->supported = gst_deinterlace_method_supported_impl;
+}
+
+static void
+gst_deinterlace_method_init (GstDeinterlaceMethod * self)
+{
+  self->vinfo = NULL;
+}
+
+void
+gst_deinterlace_method_deinterlace_frame (GstDeinterlaceMethod * self,
+    const GstDeinterlaceField * history, guint history_count,
+    GstVideoFrame * outframe, int cur_field_idx)
+{
+  g_assert (self->deinterlace_frame != NULL);
+  self->deinterlace_frame (self, history, history_count, outframe,
+      cur_field_idx);
+}
+
+gint
+gst_deinterlace_method_get_fields_required (GstDeinterlaceMethod * self)
+{
+  GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
+
+  return klass->fields_required;
+}
+
+gint
+gst_deinterlace_method_get_latency (GstDeinterlaceMethod * self)
+{
+  GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
+
+  return klass->latency;
+}
+
+G_DEFINE_ABSTRACT_TYPE (GstDeinterlaceSimpleMethod,
+    gst_deinterlace_simple_method, GST_TYPE_DEINTERLACE_METHOD);
+
+static gboolean
+gst_deinterlace_simple_method_supported (GstDeinterlaceMethodClass * mklass,
+    GstVideoFormat format, gint width, gint height)
+{
+  GstDeinterlaceSimpleMethodClass *klass =
+      GST_DEINTERLACE_SIMPLE_METHOD_CLASS (mklass);
+
+  if (!GST_DEINTERLACE_METHOD_CLASS
+      (gst_deinterlace_simple_method_parent_class)->supported (mklass, format,
+          width, height))
+    return FALSE;
+
+  switch (format) {
+    case GST_VIDEO_FORMAT_ARGB:
+    case GST_VIDEO_FORMAT_xRGB:
+      return (klass->interpolate_scanline_argb != NULL
+          && klass->copy_scanline_argb != NULL);
+    case GST_VIDEO_FORMAT_RGBA:
+    case GST_VIDEO_FORMAT_RGBx:
+      return (klass->interpolate_scanline_rgba != NULL
+          && klass->copy_scanline_rgba != NULL);
+    case GST_VIDEO_FORMAT_ABGR:
+    case GST_VIDEO_FORMAT_xBGR:
+      return (klass->interpolate_scanline_abgr != NULL
+          && klass->copy_scanline_abgr != NULL);
+    case GST_VIDEO_FORMAT_BGRA:
+    case GST_VIDEO_FORMAT_BGRx:
+      return (klass->interpolate_scanline_bgra != NULL
+          && klass->copy_scanline_bgra != NULL);
+    case GST_VIDEO_FORMAT_RGB:
+      return (klass->interpolate_scanline_rgb != NULL
+          && klass->copy_scanline_rgb != NULL);
+    case GST_VIDEO_FORMAT_BGR:
+      return (klass->interpolate_scanline_bgr != NULL
+          && klass->copy_scanline_bgr != NULL);
+    case GST_VIDEO_FORMAT_YUY2:
+      return (klass->interpolate_scanline_yuy2 != NULL
+          && klass->copy_scanline_yuy2 != NULL);
+    case GST_VIDEO_FORMAT_YVYU:
+      return (klass->interpolate_scanline_yvyu != NULL
+          && klass->copy_scanline_yvyu != NULL);
+    case GST_VIDEO_FORMAT_UYVY:
+      return (klass->interpolate_scanline_uyvy != NULL
+          && klass->copy_scanline_uyvy != NULL);
+    case GST_VIDEO_FORMAT_AYUV:
+      return (klass->interpolate_scanline_ayuv != NULL
+          && klass->copy_scanline_ayuv != NULL);
+    case GST_VIDEO_FORMAT_NV12:
+      return (klass->interpolate_scanline_nv12 != NULL
+          && klass->copy_scanline_nv12 != NULL);
+    case GST_VIDEO_FORMAT_NV21:
+      return (klass->interpolate_scanline_nv21 != NULL
+          && klass->copy_scanline_nv21 != NULL);
+    case GST_VIDEO_FORMAT_I420:
+    case GST_VIDEO_FORMAT_YV12:
+    case GST_VIDEO_FORMAT_Y444:
+    case GST_VIDEO_FORMAT_Y42B:
+    case GST_VIDEO_FORMAT_Y41B:
+      return (klass->interpolate_scanline_planar_y != NULL
+          && klass->copy_scanline_planar_y != NULL &&
+          klass->interpolate_scanline_planar_u != NULL
+          && klass->copy_scanline_planar_u != NULL &&
+          klass->interpolate_scanline_planar_v != NULL
+          && klass->copy_scanline_planar_v != NULL);
+    default:
+      return FALSE;
+  }
+}
+
+static void
+    gst_deinterlace_simple_method_interpolate_scanline_packed
+    (GstDeinterlaceSimpleMethod * self, guint8 * out,
+    const GstDeinterlaceScanlineData * scanlines, guint stride)
+{
+  memcpy (out, scanlines->m1, stride);
+}
+
+static void
+gst_deinterlace_simple_method_copy_scanline_packed (GstDeinterlaceSimpleMethod *
+    self, guint8 * out, const GstDeinterlaceScanlineData * scanlines,
+    guint stride)
+{
+  memcpy (out, scanlines->m0, stride);
+}
+
+static void
+gst_deinterlace_simple_method_deinterlace_frame_packed (GstDeinterlaceMethod *
+    method, const GstDeinterlaceField * history, guint history_count,
+    GstVideoFrame * outframe, gint cur_field_idx)
+{
+  GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
+#ifndef G_DISABLE_ASSERT
+  GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
+#endif
+  GstDeinterlaceScanlineData scanlines;
+  guint cur_field_flags;
+  gint i;
+  gint frame_height, frame_width;
+  GstVideoFrame *framep, *frame0, *frame1, *frame2;
+
+  g_assert (self->interpolate_scanline_packed != NULL);
+  g_assert (self->copy_scanline_packed != NULL);
+
+  frame_height = GST_VIDEO_FRAME_HEIGHT (outframe);
+  frame_width = GST_VIDEO_FRAME_PLANE_STRIDE (outframe, 0);
+
+  frame0 = history[cur_field_idx].frame;
+  frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (frame0, 0));
+  cur_field_flags = history[cur_field_idx].flags;
+
+  framep = (cur_field_idx > 0 ? history[cur_field_idx - 1].frame : NULL);
+  if (framep)
+    frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (framep, 0));
+
+  g_assert (dm_class->fields_required <= 4);
+
+  frame1 =
+      (cur_field_idx + 1 <
+      history_count ? history[cur_field_idx + 1].frame : NULL);
+  if (frame1)
+    frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (frame1, 0));
+
+  frame2 =
+      (cur_field_idx + 2 <
+      history_count ? history[cur_field_idx + 2].frame : NULL);
+  if (frame2)
+    frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (frame2, 0));
+
+#define CLAMP_LOW(i) (((i)<0) ? (i+2) : (i))
+#define CLAMP_HI(i) (((i)>=(frame_height)) ? (i-2) : (i))
+#define LINE(x,i) (((guint8*)GST_VIDEO_FRAME_PLANE_DATA((x),0)) + CLAMP_HI(CLAMP_LOW(i)) * \
+    GST_VIDEO_FRAME_PLANE_STRIDE((x),0))
+#define LINE2(x,i) ((x) ? LINE(x,i) : NULL)
+
+  for (i = 0; i < frame_height; i++) {
+    memset (&scanlines, 0, sizeof (scanlines));
+    scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM);
+
+    if (!((i & 1) ^ scanlines.bottom_field)) {
+      /* copying */
+      scanlines.tp = LINE2 (framep, i - 1);
+      scanlines.bp = LINE2 (framep, i + 1);
+
+      scanlines.tt0 = LINE2 (frame0, (i - 2 >= 0) ? i - 2 : i);
+      scanlines.m0 = LINE2 (frame0, i);
+      scanlines.bb0 = LINE2 (frame0, (i + 2 < frame_height ? i + 2 : i));
+
+      scanlines.t1 = LINE2 (frame1, i - 1);
+      scanlines.b1 = LINE2 (frame1, i + 1);
+
+      scanlines.tt2 = LINE2 (frame2, (i - 2 >= 0) ? i - 2 : i);
+      scanlines.m2 = LINE2 (frame2, i);
+      scanlines.bb2 = LINE2 (frame2, (i + 2 < frame_height ? i + 2 : i));
+
+      self->copy_scanline_packed (self, LINE (outframe, i), &scanlines,
+          frame_width);
+    } else {
+      /* interpolating */
+      scanlines.ttp = LINE2 (framep, (i - 2 >= 0) ? i - 2 : i);
+      scanlines.mp = LINE2 (framep, i);
+      scanlines.bbp = LINE2 (framep, (i + 2 < frame_height ? i + 2 : i));
+
+      scanlines.t0 = LINE2 (frame0, i - 1);
+      scanlines.b0 = LINE2 (frame0, i + 1);
+
+      scanlines.tt1 = LINE2 (frame1, (i - 2 >= 0) ? i - 2 : i);
+      scanlines.m1 = LINE2 (frame1, i);
+      scanlines.bb1 = LINE2 (frame1, (i + 2 < frame_height ? i + 2 : i));
+
+      scanlines.t2 = LINE2 (frame2, i - 1);
+      scanlines.b2 = LINE2 (frame2, i + 1);
+
+      self->interpolate_scanline_packed (self, LINE (outframe, i), &scanlines,
+          frame_width);
+    }
+#undef LINE
+#undef LINE2
+  }
+}
+
+static void
+    gst_deinterlace_simple_method_interpolate_scanline_planar_y
+    (GstDeinterlaceSimpleMethod * self, guint8 * out,
+    const GstDeinterlaceScanlineData * scanlines, guint size)
+{
+  memcpy (out, scanlines->m1, size);
+}
+
+static void
+gst_deinterlace_simple_method_copy_scanline_planar_y (GstDeinterlaceSimpleMethod
+    * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint
+    size)
+{
+  memcpy (out, scanlines->m0, size);
+}
+
+static void
+    gst_deinterlace_simple_method_interpolate_scanline_planar_u
+    (GstDeinterlaceSimpleMethod * self, guint8 * out,
+    const GstDeinterlaceScanlineData * scanlines, guint size)
+{
+  memcpy (out, scanlines->m1, size);
+}
+
+static void
+gst_deinterlace_simple_method_copy_scanline_planar_u (GstDeinterlaceSimpleMethod
+    * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint
+    size)
+{
+  memcpy (out, scanlines->m0, size);
+}
+
+static void
+    gst_deinterlace_simple_method_interpolate_scanline_planar_v
+    (GstDeinterlaceSimpleMethod * self, guint8 * out,
+    const GstDeinterlaceScanlineData * scanlines, guint size)
+{
+  memcpy (out, scanlines->m1, size);
+}
+
+static void
+gst_deinterlace_simple_method_copy_scanline_planar_v (GstDeinterlaceSimpleMethod
+    * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint
+    size)
+{
+  memcpy (out, scanlines->m0, size);
+}
+
+static void
+    gst_deinterlace_simple_method_deinterlace_frame_planar_plane
+    (GstDeinterlaceSimpleMethod * self, GstVideoFrame * dest,
+    const GstVideoFrame * frame0, const GstVideoFrame * frame1,
+    const GstVideoFrame * frame2, const GstVideoFrame * framep,
+    guint cur_field_flags, gint plane,
+    GstDeinterlaceSimpleMethodFunction copy_scanline,
+    GstDeinterlaceSimpleMethodFunction interpolate_scanline)
+{
+  GstDeinterlaceScanlineData scanlines;
+  gint i;
+  gint frame_height, frame_width;
+
+  frame_height = GST_VIDEO_FRAME_COMP_HEIGHT (dest, plane);
+  frame_width = GST_VIDEO_FRAME_COMP_WIDTH (dest, plane) *
+      GST_VIDEO_FRAME_COMP_PSTRIDE (dest, plane);
+
+  g_assert (interpolate_scanline != NULL);
+  g_assert (copy_scanline != NULL);
+
+#define LINE(x,i) (((guint8*)GST_VIDEO_FRAME_PLANE_DATA((x),plane)) + CLAMP_HI(CLAMP_LOW(i)) * \
+    GST_VIDEO_FRAME_PLANE_STRIDE((x),plane))
+#define LINE2(x,i) ((x) ? LINE(x,i) : NULL)
+
+  for (i = 0; i < frame_height; i++) {
+    memset (&scanlines, 0, sizeof (scanlines));
+    scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM);
+
+    if (!((i & 1) ^ scanlines.bottom_field)) {
+      /* copying */
+      scanlines.tp = LINE2 (framep, i - 1);
+      scanlines.bp = LINE2 (framep, i + 1);
+
+      scanlines.tt0 = LINE2 (frame0, (i - 2 >= 0) ? i - 2 : i);
+      scanlines.m0 = LINE2 (frame0, i);
+      scanlines.bb0 = LINE2 (frame0, (i + 2 < frame_height ? i + 2 : i));
+
+      scanlines.t1 = LINE2 (frame1, i - 1);
+      scanlines.b1 = LINE2 (frame1, i + 1);
+
+      scanlines.tt2 = LINE2 (frame2, (i - 2 >= 0) ? i - 2 : i);
+      scanlines.m2 = LINE2 (frame2, i);
+      scanlines.bb2 = LINE2 (frame2, (i + 2 < frame_height ? i + 2 : i));
+
+      copy_scanline (self, LINE (dest, i), &scanlines, frame_width);
+    } else {
+      /* interpolating */
+      scanlines.ttp = LINE2 (framep, (i - 2 >= 0) ? i - 2 : i);
+      scanlines.mp = LINE2 (framep, i);
+      scanlines.bbp = LINE2 (framep, (i + 2 < frame_height ? i + 2 : i));
+
+      scanlines.t0 = LINE2 (frame0, i - 1);
+      scanlines.b0 = LINE2 (frame0, i + 1);
+
+      scanlines.tt1 = LINE2 (frame1, (i - 2 >= 0) ? i - 2 : i);
+      scanlines.m1 = LINE2 (frame1, i);
+      scanlines.bb1 = LINE2 (frame1, (i + 2 < frame_height ? i + 2 : i));
+
+      scanlines.t2 = LINE2 (frame2, i - 1);
+      scanlines.b2 = LINE2 (frame2, i + 1);
+
+      interpolate_scanline (self, LINE (dest, i), &scanlines, frame_width);
+    }
+#undef LINE
+#undef LINE2
+  }
+}
+
+static void
+gst_deinterlace_simple_method_deinterlace_frame_planar (GstDeinterlaceMethod *
+    method, const GstDeinterlaceField * history, guint history_count,
+    GstVideoFrame * outframe, gint cur_field_idx)
+{
+  GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
+#ifndef G_DISABLE_ASSERT
+  GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
+#endif
+  const GstVideoFrame *frame0, *frame1, *frame2, *framep;
+  guint cur_field_flags = history[cur_field_idx].flags;
+  gint i;
+  GstDeinterlaceSimpleMethodFunction copy_scanline;
+  GstDeinterlaceSimpleMethodFunction interpolate_scanline;
+
+  g_assert (self->interpolate_scanline_planar[0] != NULL);
+  g_assert (self->interpolate_scanline_planar[1] != NULL);
+  g_assert (self->interpolate_scanline_planar[2] != NULL);
+  g_assert (self->copy_scanline_planar[0] != NULL);
+  g_assert (self->copy_scanline_planar[1] != NULL);
+  g_assert (self->copy_scanline_planar[2] != NULL);
+
+  for (i = 0; i < 3; i++) {
+    copy_scanline = self->copy_scanline_planar[i];
+    interpolate_scanline = self->interpolate_scanline_planar[i];
+
+    framep = (cur_field_idx > 0 ? history[cur_field_idx - 1].frame : NULL);
+
+    frame0 = history[cur_field_idx].frame;
+
+    g_assert (dm_class->fields_required <= 4);
+
+    frame1 =
+        (cur_field_idx + 1 <
+        history_count ? history[cur_field_idx + 1].frame : NULL);
+    frame2 =
+        (cur_field_idx + 2 <
+        history_count ? history[cur_field_idx + 2].frame : NULL);
+
+    gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self,
+        outframe, frame0, frame1, frame2, framep, cur_field_flags, i,
+        copy_scanline, interpolate_scanline);
+  }
+}
+
+static void
+gst_deinterlace_simple_method_deinterlace_frame_nv12 (GstDeinterlaceMethod *
+    method, const GstDeinterlaceField * history, guint history_count,
+    GstVideoFrame * outframe, gint cur_field_idx)
+{
+  GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
+#ifndef G_DISABLE_ASSERT
+  GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
+#endif
+  const GstVideoFrame *frame0, *frame1, *frame2, *framep;
+  guint cur_field_flags = history[cur_field_idx].flags;
+  gint i;
+
+  g_assert (self->interpolate_scanline_packed != NULL);
+  g_assert (self->copy_scanline_packed != NULL);
+
+  for (i = 0; i < 2; i++) {
+    framep = (cur_field_idx > 0 ? history[cur_field_idx - 1].frame : NULL);
+
+    frame0 = history[cur_field_idx].frame;
+
+    g_assert (dm_class->fields_required <= 4);
+
+    frame1 =
+        (cur_field_idx + 1 <
+        history_count ? history[cur_field_idx + 1].frame : NULL);
+    frame2 =
+        (cur_field_idx + 2 <
+        history_count ? history[cur_field_idx + 2].frame : NULL);
+
+    gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self,
+        outframe, frame0, frame1, frame2, framep, cur_field_flags, i,
+        self->copy_scanline_packed, self->interpolate_scanline_packed);
+  }
+}
+
+static void
+gst_deinterlace_simple_method_setup (GstDeinterlaceMethod * method,
+    GstVideoInfo * vinfo)
+{
+  GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
+  GstDeinterlaceSimpleMethodClass *klass =
+      GST_DEINTERLACE_SIMPLE_METHOD_GET_CLASS (self);
+
+  GST_DEINTERLACE_METHOD_CLASS
+      (gst_deinterlace_simple_method_parent_class)->setup (method, vinfo);
+
+  self->interpolate_scanline_packed = NULL;
+  self->copy_scanline_packed = NULL;
+
+  self->interpolate_scanline_planar[0] = NULL;
+  self->interpolate_scanline_planar[1] = NULL;
+  self->interpolate_scanline_planar[2] = NULL;
+  self->copy_scanline_planar[0] = NULL;
+  self->copy_scanline_planar[1] = NULL;
+  self->copy_scanline_planar[2] = NULL;
+
+  if (GST_VIDEO_INFO_FORMAT (vinfo) == GST_VIDEO_FORMAT_UNKNOWN)
+    return;
+
+  switch (GST_VIDEO_INFO_FORMAT (vinfo)) {
+    case GST_VIDEO_FORMAT_YUY2:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_yuy2;
+      self->copy_scanline_packed = klass->copy_scanline_yuy2;
+      break;
+    case GST_VIDEO_FORMAT_YVYU:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_yvyu;
+      self->copy_scanline_packed = klass->copy_scanline_yvyu;
+      break;
+    case GST_VIDEO_FORMAT_UYVY:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_uyvy;
+      self->copy_scanline_packed = klass->copy_scanline_uyvy;
+      break;
+    case GST_VIDEO_FORMAT_AYUV:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_ayuv;
+      self->copy_scanline_packed = klass->copy_scanline_ayuv;
+      break;
+    case GST_VIDEO_FORMAT_ARGB:
+    case GST_VIDEO_FORMAT_xRGB:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_argb;
+      self->copy_scanline_packed = klass->copy_scanline_argb;
+      break;
+    case GST_VIDEO_FORMAT_ABGR:
+    case GST_VIDEO_FORMAT_xBGR:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_abgr;
+      self->copy_scanline_packed = klass->copy_scanline_abgr;
+      break;
+    case GST_VIDEO_FORMAT_RGBA:
+    case GST_VIDEO_FORMAT_RGBx:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_rgba;
+      self->copy_scanline_packed = klass->copy_scanline_rgba;
+      break;
+    case GST_VIDEO_FORMAT_BGRA:
+    case GST_VIDEO_FORMAT_BGRx:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_bgra;
+      self->copy_scanline_packed = klass->copy_scanline_bgra;
+      break;
+    case GST_VIDEO_FORMAT_RGB:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_rgb;
+      self->copy_scanline_packed = klass->copy_scanline_rgb;
+      break;
+    case GST_VIDEO_FORMAT_BGR:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_bgr;
+      self->copy_scanline_packed = klass->copy_scanline_bgr;
+      break;
+    case GST_VIDEO_FORMAT_NV12:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_nv12;
+      self->copy_scanline_packed = klass->copy_scanline_nv12;
+      break;
+    case GST_VIDEO_FORMAT_NV21:
+      self->interpolate_scanline_packed = klass->interpolate_scanline_nv21;
+      self->copy_scanline_packed = klass->copy_scanline_nv21;
+      break;
+    case GST_VIDEO_FORMAT_I420:
+    case GST_VIDEO_FORMAT_YV12:
+    case GST_VIDEO_FORMAT_Y444:
+    case GST_VIDEO_FORMAT_Y42B:
+    case GST_VIDEO_FORMAT_Y41B:
+      self->interpolate_scanline_planar[0] =
+          klass->interpolate_scanline_planar_y;
+      self->copy_scanline_planar[0] = klass->copy_scanline_planar_y;
+      self->interpolate_scanline_planar[1] =
+          klass->interpolate_scanline_planar_u;
+      self->copy_scanline_planar[1] = klass->copy_scanline_planar_u;
+      self->interpolate_scanline_planar[2] =
+          klass->interpolate_scanline_planar_v;
+      self->copy_scanline_planar[2] = klass->copy_scanline_planar_v;
+      break;
+    default:
+      break;
+  }
+}
+
+static void
+gst_deinterlace_simple_method_class_init (GstDeinterlaceSimpleMethodClass
+    * klass)
+{
+  GstDeinterlaceMethodClass *dm_class = (GstDeinterlaceMethodClass *) klass;
+
+  dm_class->deinterlace_frame_ayuv =
+      gst_deinterlace_simple_method_deinterlace_frame_packed;
+  dm_class->deinterlace_frame_yuy2 =
+      gst_deinterlace_simple_method_deinterlace_frame_packed;
+  dm_class->deinterlace_frame_yvyu =
+      gst_deinterlace_simple_method_deinterlace_frame_packed;
+  dm_class->deinterlace_frame_uyvy =
+      gst_deinterlace_simple_method_deinterlace_frame_packed;
+  dm_class->deinterlace_frame_argb =
+      gst_deinterlace_simple_method_deinterlace_frame_packed;
+  dm_class->deinterlace_frame_abgr =
+      gst_deinterlace_simple_method_deinterlace_frame_packed;
+  dm_class->deinterlace_frame_rgba =
+      gst_deinterlace_simple_method_deinterlace_frame_packed;
+  dm_class->deinterlace_frame_bgra =
+      gst_deinterlace_simple_method_deinterlace_frame_packed;
+  dm_class->deinterlace_frame_rgb =
+      gst_deinterlace_simple_method_deinterlace_frame_packed;
+  dm_class->deinterlace_frame_bgr =
+      gst_deinterlace_simple_method_deinterlace_frame_packed;
+  dm_class->deinterlace_frame_i420 =
+      gst_deinterlace_simple_method_deinterlace_frame_planar;
+  dm_class->deinterlace_frame_yv12 =
+      gst_deinterlace_simple_method_deinterlace_frame_planar;
+  dm_class->deinterlace_frame_y444 =
+      gst_deinterlace_simple_method_deinterlace_frame_planar;
+  dm_class->deinterlace_frame_y42b =
+      gst_deinterlace_simple_method_deinterlace_frame_planar;
+  dm_class->deinterlace_frame_y41b =
+      gst_deinterlace_simple_method_deinterlace_frame_planar;
+  dm_class->deinterlace_frame_nv12 =
+      gst_deinterlace_simple_method_deinterlace_frame_nv12;
+  dm_class->deinterlace_frame_nv21 =
+      gst_deinterlace_simple_method_deinterlace_frame_nv12;
+  dm_class->fields_required = 2;
+  dm_class->setup = gst_deinterlace_simple_method_setup;
+  dm_class->supported = gst_deinterlace_simple_method_supported;
+
+  klass->interpolate_scanline_yuy2 =
+      gst_deinterlace_simple_method_interpolate_scanline_packed;
+  klass->copy_scanline_yuy2 =
+      gst_deinterlace_simple_method_copy_scanline_packed;
+  klass->interpolate_scanline_yvyu =
+      gst_deinterlace_simple_method_interpolate_scanline_packed;
+  klass->copy_scanline_yvyu =
+      gst_deinterlace_simple_method_copy_scanline_packed;
+  klass->interpolate_scanline_ayuv =
+      gst_deinterlace_simple_method_interpolate_scanline_packed;
+  klass->copy_scanline_ayuv =
+      gst_deinterlace_simple_method_copy_scanline_packed;
+  klass->interpolate_scanline_uyvy =
+      gst_deinterlace_simple_method_interpolate_scanline_packed;
+  klass->copy_scanline_uyvy =
+      gst_deinterlace_simple_method_copy_scanline_packed;
+  klass->interpolate_scanline_nv12 =
+      gst_deinterlace_simple_method_interpolate_scanline_packed;
+  klass->copy_scanline_nv12 =
+      gst_deinterlace_simple_method_copy_scanline_packed;
+
+  klass->interpolate_scanline_argb =
+      gst_deinterlace_simple_method_interpolate_scanline_packed;
+  klass->copy_scanline_argb =
+      gst_deinterlace_simple_method_copy_scanline_packed;
+  klass->interpolate_scanline_abgr =
+      gst_deinterlace_simple_method_interpolate_scanline_packed;
+  klass->copy_scanline_abgr =
+      gst_deinterlace_simple_method_copy_scanline_packed;
+
+  klass->interpolate_scanline_rgba =
+      gst_deinterlace_simple_method_interpolate_scanline_packed;
+  klass->copy_scanline_rgba =
+      gst_deinterlace_simple_method_copy_scanline_packed;
+  klass->interpolate_scanline_bgra =
+      gst_deinterlace_simple_method_interpolate_scanline_packed;
+  klass->copy_scanline_bgra =
+      gst_deinterlace_simple_method_copy_scanline_packed;
+  klass->interpolate_scanline_rgb =
+      gst_deinterlace_simple_method_interpolate_scanline_packed;
+  klass->copy_scanline_rgb = gst_deinterlace_simple_method_copy_scanline_packed;
+  klass->interpolate_scanline_bgr =
+      gst_deinterlace_simple_method_interpolate_scanline_packed;
+  klass->copy_scanline_bgr = gst_deinterlace_simple_method_copy_scanline_packed;
+
+  klass->interpolate_scanline_planar_y =
+      gst_deinterlace_simple_method_interpolate_scanline_planar_y;
+  klass->copy_scanline_planar_y =
+      gst_deinterlace_simple_method_copy_scanline_planar_y;
+  klass->interpolate_scanline_planar_u =
+      gst_deinterlace_simple_method_interpolate_scanline_planar_u;
+  klass->copy_scanline_planar_u =
+      gst_deinterlace_simple_method_copy_scanline_planar_u;
+  klass->interpolate_scanline_planar_v =
+      gst_deinterlace_simple_method_interpolate_scanline_planar_v;
+  klass->copy_scanline_planar_v =
+      gst_deinterlace_simple_method_copy_scanline_planar_v;
+}
+
+static void
+gst_deinterlace_simple_method_init (GstDeinterlaceSimpleMethod * self)
+{
+}