[gst-cvs] wtay gst-plugins: gst-plugins/gst/effectv/

[Wim T. <wt...@us...>]

CVS Root:       /cvsroot/gstreamer
Module:         gst-plugins
Changes by:     wtay
Date:           Tue Apr 23 2002  15:17:13 PDT

Log message:
Added some more components to port effectv

Modified files:
    gst/effectv     : Makefile.am gsteffectv.c
Added files:
    gst/effectv     : gstaging.c gstedge.c gsteffectv.h

Links:
http://cvs.sf.net/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins/gst/effectv/Makefile.am.diff?r1=1.1&r2=1.2
http://cvs.sf.net/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins/gst/effectv/gstaging.c?rev=1.1&content-type=text/vnd.viewcvs-markup
http://cvs.sf.net/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins/gst/effectv/gstedge.c?rev=1.1&content-type=text/vnd.viewcvs-markup
http://cvs.sf.net/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins/gst/effectv/gsteffectv.c.diff?r1=1.1&r2=1.2
http://cvs.sf.net/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins/gst/effectv/gsteffectv.h?rev=1.1&content-type=text/vnd.viewcvs-markup

====Begin Diffs====
Index: Makefile.am
===================================================================
RCS file: /cvsroot/gstreamer/gst-plugins/gst/effectv/Makefile.am,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- Makefile.am	23 Apr 2002 20:47:14 -0000	1.1
+++ Makefile.am	23 Apr 2002 22:17:00 -0000	1.2
@@ -2,8 +2,10 @@
 
 plugin_LTLIBRARIES = libgsteffectv.la
 
-libgsteffectv_la_SOURCES = gsteffectv.c
+libgsteffectv_la_SOURCES = gsteffectv.c gstedge.c gstaging.c
 libgsteffectv_la_CFLAGS = $(GST_CFLAGS)
 libgsteffectv_la_LIBADD =
 libgsteffectv_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+
+noinst_HEADERS = gsteffectv.h
 
--- NEW FILE: gstaging.c ---
/* GStreamer
 * Copyright (C) <1999> Erik Walthinsen <om...@cs...>
 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include <string.h>
#include "gsteffectv.h"

#define GST_TYPE_AGINGTV \
  (gst_agingtv_get_type())
#define GST_AGINGTV(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AGINGTV,GstAgingTV))
#define GST_AGINGTV_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstAgingTV))
#define GST_IS_AGINGTV(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AGINGTV))
#define GST_IS_AGINGTV_CLASS(obj) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AGINGTV))

typedef struct _GstAgingTV GstAgingTV;
typedef struct _GstAgingTVClass GstAgingTVClass;

struct _GstAgingTV
{
  GstElement element;

  GstPad *sinkpad, *srcpad;

  gint width, height;
  gint map_width, map_height;
  guint32 *map;
  gint video_width_margin;
};

struct _GstAgingTVClass
{
  GstElementClass parent_class;
};

GstElementDetails gst_agingtv_details = {
  "AgingTV",
  "Filter/Effect",
  "Aply edge detect on video",
  VERSION,
  "Wim Taymans <wim...@ch...>",
  "(C) 2002",
};


/* Filter signals and args */
enum
{
  /* FILL ME */
  LAST_SIGNAL
};

enum
{
  ARG_0,
};

static void gst_agingtv_class_init (GstAgingTVClass * klass);
static void gst_agingtv_init (GstAgingTV * filter);

static void gst_agingtv_set_property (GObject * object, guint prop_id,
					   const GValue * value, GParamSpec * pspec);
static void gst_agingtv_get_property (GObject * object, guint prop_id,
					   GValue * value, GParamSpec * pspec);

static void gst_agingtv_chain (GstPad * pad, GstBuffer * buf);

static GstElementClass *parent_class = NULL;
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */

GType gst_agingtv_get_type (void)
{
  static GType agingtv_type = 0;

  if (!agingtv_type) {
    static const GTypeInfo agingtv_info = {
      sizeof (GstAgingTVClass), NULL,
      NULL,
      (GClassInitFunc) gst_agingtv_class_init,
      NULL,
      NULL,
      sizeof (GstAgingTV),
      0,
      (GInstanceInitFunc) gst_agingtv_init,
    };

    agingtv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstAgingTV", &agingtv_info, 0);
  }
  return agingtv_type;
}

static void
gst_agingtv_class_init (GstAgingTVClass * klass)
{
  GObjectClass *gobject_class;
  GstElementClass *gstelement_class;

  gobject_class = (GObjectClass *) klass;
  gstelement_class = (GstElementClass *) klass;

  parent_class = g_type_class_ref (GST_TYPE_ELEMENT);

  gobject_class->set_property = gst_agingtv_set_property;
  gobject_class->get_property = gst_agingtv_get_property;
}

static GstPadConnectReturn
gst_agingtv_sinkconnect (GstPad * pad, GstCaps * caps)
{
  GstAgingTV *filter;

  filter = GST_AGINGTV (gst_pad_get_parent (pad));

  if (!GST_CAPS_IS_FIXED (caps))
    return GST_PAD_CONNECT_DELAYED;

  gst_caps_get_int (caps, "width", &filter->width);
  gst_caps_get_int (caps, "height", &filter->height);

  filter->map_width = filter->width / 4;
  filter->map_height = filter->height / 4;
  filter->video_width_margin = filter->width - filter->map_width * 4;

  g_free (filter->map);
  filter->map = (guint32 *)g_malloc (filter->map_width * filter->map_height * sizeof(guint32) * 2);
  bzero(filter->map, filter->map_width * filter->map_height * sizeof(guint32) * 2);

  if (gst_pad_try_set_caps (filter->srcpad, caps)) {
    return GST_PAD_CONNECT_OK;
  }

  return GST_PAD_CONNECT_REFUSED;
}

static void
gst_agingtv_init (GstAgingTV * filter)
{
  filter->sinkpad = gst_pad_new_from_template (gst_effectv_sink_factory (), "sink");
  gst_pad_set_chain_function (filter->sinkpad, gst_agingtv_chain);
  gst_pad_set_connect_function (filter->sinkpad, gst_agingtv_sinkconnect);
  gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);

  filter->srcpad = gst_pad_new_from_template (gst_effectv_src_factory (), "src");
  gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);

  filter->map = NULL;
}

static void
gst_agingtv_chain (GstPad * pad, GstBuffer * buf)
{
  GstAgingTV *filter;
  guint32 *src, *dest;
  GstBuffer *outbuf;

  filter = GST_AGINGTV (gst_pad_get_parent (pad));

  src = (guint32 *) GST_BUFFER_DATA (buf);

  outbuf = gst_buffer_new ();
  GST_BUFFER_SIZE (outbuf) = (filter->width * filter->height * 4);
  dest = (guint32 *) GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
  GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
  
  gst_buffer_unref (buf);

  gst_pad_push (filter->srcpad, outbuf);
}

static void
gst_agingtv_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
  GstAgingTV *filter;

  /* it's not null if we got it, but it might not be ours */
  g_return_if_fail (GST_IS_AGINGTV (object));

  filter = GST_AGINGTV (object);

  switch (prop_id) {
    default:
      break;
  }
}

static void
gst_agingtv_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
  GstAgingTV *filter;

  /* it's not null if we got it, but it might not be ours */
  g_return_if_fail (GST_IS_AGINGTV (object));

  filter = GST_AGINGTV (object);

  switch (prop_id) {
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}
--- NEW FILE: gstedge.c ---
/* GStreamer
 * Copyright (C) <1999> Erik Walthinsen <om...@cs...>
 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include <string.h>
#include <gst/gst.h>
#include "gsteffectv.h"

#define GST_TYPE_EFFECTV \
  (gst_edgetv_get_type())
#define GST_EFFECTV(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_EFFECTV,GstEdgeTV))
#define GST_EFFECTV_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstEdgeTV))
#define GST_IS_EFFECTV(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_EFFECTV))
#define GST_IS_EFFECTV_CLASS(obj) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_EFFECTV))

typedef struct _GstEdgeTV GstEdgeTV;
typedef struct _GstEdgeTVClass GstEdgeTVClass;

struct _GstEdgeTV
{
  GstElement element;

  GstPad *sinkpad, *srcpad;

  gint width, height;
  gint map_width, map_height;
  guint32 *map;
  gint video_width_margin;
};

struct _GstEdgeTVClass
{
  GstElementClass parent_class;
};

GstElementDetails gst_edgetv_details = {
  "EdgeTV",
  "Filter/Effect",
  "Aply edge detect on video",
  VERSION,
  "Wim Taymans <wim...@ch...>",
  "(C) 2002",
};


/* Filter signals and args */
enum
{
  /* FILL ME */
  LAST_SIGNAL
};

enum
{
  ARG_0,
};

static void gst_edgetv_class_init (GstEdgeTVClass * klass);
static void gst_edgetv_init (GstEdgeTV * filter);

static void gst_edgetv_set_property (GObject * object, guint prop_id,
					   const GValue * value, GParamSpec * pspec);
static void gst_edgetv_get_property (GObject * object, guint prop_id,
					   GValue * value, GParamSpec * pspec);

static void gst_edgetv_chain (GstPad * pad, GstBuffer * buf);

static GstElementClass *parent_class = NULL;

/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */

GType gst_edgetv_get_type (void)
{
  static GType edgetv_type = 0;

  if (!edgetv_type) {
    static const GTypeInfo edgetv_info = {
      sizeof (GstEdgeTVClass), NULL,
      NULL,
      (GClassInitFunc) gst_edgetv_class_init,
      NULL,
      NULL,
      sizeof (GstEdgeTV),
      0,
      (GInstanceInitFunc) gst_edgetv_init,
    };

    edgetv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstEdgeTV", &edgetv_info, 0);
  }
  return edgetv_type;
}

static void
gst_edgetv_class_init (GstEdgeTVClass * klass)
{
  GObjectClass *gobject_class;
  GstElementClass *gstelement_class;

  gobject_class = (GObjectClass *) klass;
  gstelement_class = (GstElementClass *) klass;

  parent_class = g_type_class_ref (GST_TYPE_ELEMENT);

  gobject_class->set_property = gst_edgetv_set_property;
  gobject_class->get_property = gst_edgetv_get_property;
}

static GstPadConnectReturn
gst_edgetv_sinkconnect (GstPad * pad, GstCaps * caps)
{
  GstEdgeTV *filter;

  filter = GST_EFFECTV (gst_pad_get_parent (pad));

  if (!GST_CAPS_IS_FIXED (caps))
    return GST_PAD_CONNECT_DELAYED;

  gst_caps_get_int (caps, "width", &filter->width);
  gst_caps_get_int (caps, "height", &filter->height);

  filter->map_width = filter->width / 4;
  filter->map_height = filter->height / 4;
  filter->video_width_margin = filter->width - filter->map_width * 4;

  g_free (filter->map);
  filter->map = (guint32 *)g_malloc (filter->map_width * filter->map_height * sizeof(guint32) * 2);
  bzero(filter->map, filter->map_width * filter->map_height * sizeof(guint32) * 2);

  if (gst_pad_try_set_caps (filter->srcpad, caps)) {
    return GST_PAD_CONNECT_OK;
  }

  return GST_PAD_CONNECT_REFUSED;
}

static void
gst_edgetv_init (GstEdgeTV * filter)
{
  filter->sinkpad = gst_pad_new_from_template (gst_effectv_sink_factory (), "sink");
  gst_pad_set_chain_function (filter->sinkpad, gst_edgetv_chain);
  gst_pad_set_connect_function (filter->sinkpad, gst_edgetv_sinkconnect);
  gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);

  filter->srcpad = gst_pad_new_from_template (gst_effectv_src_factory (), "src");
  gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);

  filter->map = NULL;
}

static void
gst_edgetv_chain (GstPad * pad, GstBuffer * buf)
{
  GstEdgeTV *filter;
  int x, y;
  int r, g, b;
  guint32 *src, *dest;
  guint32 p, q;
  guint32 v0, v1, v2, v3;
  GstBuffer *outbuf;

  filter = GST_EFFECTV (gst_pad_get_parent (pad));

  src = (guint32 *) GST_BUFFER_DATA (buf);

  outbuf = gst_buffer_new ();
  GST_BUFFER_SIZE (outbuf) = (filter->width * filter->height * 4);
  dest = (guint32 *) GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
  GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
  
  src += filter->width * 4 + 4;
  dest += filter->width * 4 + 4;
  
  for (y = 1; y < filter->map_height - 1; y++) {
    for (x = 1; x < filter->map_width - 1; x++) {

      p = *src;
      q = *(src - 4);

/* difference between the current pixel and right neighbor. */
      r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
      g = ((p & 0xff00) - (q & 0xff00)) >> 8;
      b = (p & 0xff) - (q & 0xff);
      r *= r;
      g *= g;
      b *= b;
      r = r >> 5;		/* To lack the lower bit for saturated addition,  */
      g = g >> 5;		/* devide the value with 32, instead of 16. It is */
      b = b >> 4;		/* same as `v2 &= 0xfefeff' */
      if (r > 127)
	r = 127;
      if (g > 127)
	g = 127;
      if (b > 255)
	b = 255;
      v2 = (r << 17) | (g << 9) | b;

/* difference between the current pixel and upper neighbor. */
      q = *(src - filter->width * 4);
      r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
      g = ((p & 0xff00) - (q & 0xff00)) >> 8;
      b = (p & 0xff) - (q & 0xff);
      r *= r;
      g *= g;
      b *= b;
      r = r >> 5;
      g = g >> 5;
      b = b >> 4;
      if (r > 127)
	r = 127;
      if (g > 127)
	g = 127;
      if (b > 255)
	b = 255;
      v3 = (r << 17) | (g << 9) | b;

      v0 = filter->map[(y - 1) * filter->map_width * 2 + x * 2];
      v1 = filter->map[y * filter->map_width * 2 + (x - 1) * 2 + 1];
      filter->map[y * filter->map_width * 2 + x * 2] = v2;
      filter->map[y * filter->map_width * 2 + x * 2 + 1] = v3;
      r = v0 + v1;
      g = r & 0x01010100;
      dest[0] = r | (g - (g >> 8));
      r = v0 + v3;
      g = r & 0x01010100;
      dest[1] = r | (g - (g >> 8));
      dest[2] = v3;
      dest[3] = v3;
      r = v2 + v1;
      g = r & 0x01010100;
      dest[filter->width] = r | (g - (g >> 8));
      r = v2 + v3;
      g = r & 0x01010100;
      dest[filter->width + 1] = r | (g - (g >> 8));
      dest[filter->width + 2] = v3;
      dest[filter->width + 3] = v3;
      dest[filter->width * 2] = v2;
      dest[filter->width * 2 + 1] = v2;
      dest[filter->width * 3] = v2;
      dest[filter->width * 3 + 1] = v2;

      src += 4;
      dest += 4;
    }
    src += filter->width * 3 + 8 + filter->video_width_margin;
    dest += filter->width * 3 + 8 + filter->video_width_margin;
  }
  gst_buffer_unref (buf);

  gst_pad_push (filter->srcpad, outbuf);
}

static void
gst_edgetv_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
  GstEdgeTV *filter;

  /* it's not null if we got it, but it might not be ours */
  g_return_if_fail (GST_IS_EFFECTV (object));

  filter = GST_EFFECTV (object);

  switch (prop_id) {
    default:
      break;
  }
}

static void
gst_edgetv_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
  GstEdgeTV *filter;

  /* it's not null if we got it, but it might not be ours */
  g_return_if_fail (GST_IS_EFFECTV (object));

  filter = GST_EFFECTV (object);

  switch (prop_id) {
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}
Index: gsteffectv.c
===================================================================
RCS file: /cvsroot/gstreamer/gst-plugins/gst/effectv/gsteffectv.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- gsteffectv.c	23 Apr 2002 20:47:14 -0000	1.1
+++ gsteffectv.c	23 Apr 2002 22:17:01 -0000	1.2
@@ -19,339 +19,102 @@
 
 #include <string.h>
 #include <gst/gst.h>
-
-#define GST_TYPE_EFFECTV \
-  (gst_effectv_get_type())
-#define GST_EFFECTV(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_EFFECTV,GstEffecTV))
-#define GST_EFFECTV_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstEffecTV))
-#define GST_IS_EFFECTV(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_EFFECTV))
-#define GST_IS_EFFECTV_CLASS(obj) \
-  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_EFFECTV))
-
-typedef struct _GstEffecTV GstEffecTV;
-typedef struct _GstEffecTVClass GstEffecTVClass;
-
-struct _GstEffecTV
-{
-  GstElement element;
-
-  GstPad *sinkpad, *srcpad;
-
-  gint width, height;
-  gint map_width, map_height;
-  guint32 *map;
-  gint video_width_margin;
-};
-
-struct _GstEffecTVClass
-{
-  GstElementClass parent_class;
-};
-
-static GstElementDetails effectv_details = {
-  "EffecTV",
-  "Filter/Effect",
-  "Aply edge detect on video",
-  VERSION,
-  "Wim Taymans <wim...@ch...>",
-  "(C) 2002",
-};
+#include "gsteffectv.h"
 
 
-/* Filter signals and args */
-enum
-{
-  /* FILL ME */
-  LAST_SIGNAL
+struct _elements_entry {
+  gchar *name;
+  GType (*type) (void);
+  GstElementDetails *details;
+  gboolean (*factoryinit) (GstElementFactory *factory);
 };
 
-enum
-{
-  ARG_0,
+static struct _elements_entry _elements[] = {
+  { "edgeTV",  gst_edgetv_get_type,  &gst_edgetv_details,  NULL },
+  { "agingTV", gst_agingtv_get_type, &gst_agingtv_details, NULL },
+  { NULL, 0 },
 };
 
-GST_PAD_TEMPLATE_FACTORY (effectv_src_factory,
-  "src",
-  GST_PAD_SRC,
-  GST_PAD_ALWAYS,
-  GST_CAPS_NEW (
-    "effectv_src",
-    "video/raw",
-      "format",         GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
-      "bpp",            GST_PROPS_INT (32),
-      "depth",          GST_PROPS_INT (32),
-      "endianness",     GST_PROPS_INT (G_BYTE_ORDER),
-      "red_mask",       GST_PROPS_INT (0xff0000),
-      "green_mask",     GST_PROPS_INT (0xff00),
-      "blue_mask",      GST_PROPS_INT (0xff),
-      "width",          GST_PROPS_INT_RANGE (16, 4096),
-      "height",         GST_PROPS_INT_RANGE (16, 4096)
-  )
-)
-
-GST_PAD_TEMPLATE_FACTORY (effectv_sink_factory,
-  "sink",
-  GST_PAD_SINK,
-  GST_PAD_ALWAYS,
-  GST_CAPS_NEW (
-    "effectv_src",
-    "video/raw",
-      "format",         GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
-      "bpp",            GST_PROPS_INT (32),
-      "depth",          GST_PROPS_INT (32),
-      "endianness",     GST_PROPS_INT (G_BYTE_ORDER),
-      "red_mask",       GST_PROPS_INT (0xff0000),
-      "green_mask",     GST_PROPS_INT (0xff00),
-      "blue_mask",      GST_PROPS_INT (0xff),
-      "width",          GST_PROPS_INT_RANGE (16, 4096),
-      "height",         GST_PROPS_INT_RANGE (16, 4096)
-  )
-)
-
-static GType gst_effectv_get_type (void);
 
-static void gst_effectv_class_init (GstEffecTVClass * klass);
-static void gst_effectv_init (GstEffecTV * filter);
-
-static void gst_effectv_set_property (GObject * object, guint prop_id,
-					   const GValue * value, GParamSpec * pspec);
-static void gst_effectv_get_property (GObject * object, guint prop_id,
-					   GValue * value, GParamSpec * pspec);
-
-static void gst_effectv_chain (GstPad * pad, GstBuffer * buf);
-
-static GstElementClass *parent_class = NULL;
-
-/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
-
-     static GType gst_effectv_get_type (void)
-{
-  static GType effectv_type = 0;
-
-  if (!effectv_type) {
-    static const GTypeInfo effectv_info = {
-      sizeof (GstEffecTVClass), NULL,
-      NULL,
-      (GClassInitFunc) gst_effectv_class_init,
-      NULL,
-      NULL,
-      sizeof (GstEffecTV),
-      0,
-      (GInstanceInitFunc) gst_effectv_init,
-    };
-
-    effectv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstEffecTV", &effectv_info, 0);
-  }
-  return effectv_type;
-}
-
-static void
-gst_effectv_class_init (GstEffecTVClass * klass)
-{
-  GObjectClass *gobject_class;
-  GstElementClass *gstelement_class;
-
-  gobject_class = (GObjectClass *) klass;
-  gstelement_class = (GstElementClass *) klass;
-
-  parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
-
-  gobject_class->set_property = gst_effectv_set_property;
-  gobject_class->get_property = gst_effectv_get_property;
-}
-
-static GstPadConnectReturn
-gst_effectv_sinkconnect (GstPad * pad, GstCaps * caps)
-{
-  GstEffecTV *filter;
-
-  filter = GST_EFFECTV (gst_pad_get_parent (pad));
-
-  if (!GST_CAPS_IS_FIXED (caps))
-    return GST_PAD_CONNECT_DELAYED;
-
-  gst_caps_get_int (caps, "width", &filter->width);
-  gst_caps_get_int (caps, "height", &filter->height);
-
-  filter->map_width = filter->width / 4;
-  filter->map_height = filter->height / 4;
-  filter->video_width_margin = filter->width - filter->map_width * 4;
-
-  g_free (filter->map);
-  filter->map = (guint32 *)g_malloc (filter->map_width * filter->map_height * sizeof(guint32) * 2);
-  bzero(filter->map, filter->map_width * filter->map_height * sizeof(guint32) * 2);
-
-  if (gst_pad_try_set_caps (filter->srcpad, caps)) {
-    return GST_PAD_CONNECT_OK;
-  }
-
-  return GST_PAD_CONNECT_REFUSED;
-}
-
-static void
-gst_effectv_init (GstEffecTV * filter)
-{
-  filter->sinkpad = gst_pad_new_from_template (effectv_sink_factory (), "sink");
-  gst_pad_set_chain_function (filter->sinkpad, gst_effectv_chain);
-  gst_pad_set_connect_function (filter->sinkpad, gst_effectv_sinkconnect);
-  gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
-
-  filter->srcpad = gst_pad_new_from_template (effectv_src_factory (), "src");
-  gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
-
-  filter->map = NULL;
-}
-
-static void
-gst_effectv_chain (GstPad * pad, GstBuffer * buf)
-{
-  GstEffecTV *filter;
-  int x, y;
-  int r, g, b;
-  guint32 *src, *dest;
-  guint32 p, q;
-  guint32 v0, v1, v2, v3;
-  GstBuffer *outbuf;
-
-  filter = GST_EFFECTV (gst_pad_get_parent (pad));
-
-  src = (guint32 *) GST_BUFFER_DATA (buf);
-
-  outbuf = gst_buffer_new ();
-  GST_BUFFER_SIZE (outbuf) = (filter->width * filter->height * 4);
-  dest = (guint32 *) GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
-  GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
-  
-  src += filter->width * 4 + 4;
-  dest += filter->width * 4 + 4;
-  
-  for (y = 1; y < filter->map_height - 1; y++) {
-    for (x = 1; x < filter->map_width - 1; x++) {
-
-      p = *src;
-      q = *(src - 4);
-
-/* difference between the current pixel and right neighbor. */
-      r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
-      g = ((p & 0xff00) - (q & 0xff00)) >> 8;
-      b = (p & 0xff) - (q & 0xff);
-      r *= r;
-      g *= g;
-      b *= b;
-      r = r >> 5;		/* To lack the lower bit for saturated addition,  */
-      g = g >> 5;		/* devide the value with 32, instead of 16. It is */
-      b = b >> 4;		/* same as `v2 &= 0xfefeff' */
-      if (r > 127)
-	r = 127;
-      if (g > 127)
-	g = 127;
-      if (b > 255)
-	b = 255;
-      v2 = (r << 17) | (g << 9) | b;
-
-/* difference between the current pixel and upper neighbor. */
-      q = *(src - filter->width * 4);
-      r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
-      g = ((p & 0xff00) - (q & 0xff00)) >> 8;
-      b = (p & 0xff) - (q & 0xff);
-      r *= r;
-      g *= g;
-      b *= b;
-      r = r >> 5;
-      g = g >> 5;
-      b = b >> 4;
-      if (r > 127)
-	r = 127;
-      if (g > 127)
-	g = 127;
-      if (b > 255)
-	b = 255;
-      v3 = (r << 17) | (g << 9) | b;
-
-      v0 = filter->map[(y - 1) * filter->map_width * 2 + x * 2];
-      v1 = filter->map[y * filter->map_width * 2 + (x - 1) * 2 + 1];
-      filter->map[y * filter->map_width * 2 + x * 2] = v2;
-      filter->map[y * filter->map_width * 2 + x * 2 + 1] = v3;
-      r = v0 + v1;
-      g = r & 0x01010100;
-      dest[0] = r | (g - (g >> 8));
-      r = v0 + v3;
-      g = r & 0x01010100;
-      dest[1] = r | (g - (g >> 8));
-      dest[2] = v3;
-      dest[3] = v3;
-      r = v2 + v1;
-      g = r & 0x01010100;
-      dest[filter->width] = r | (g - (g >> 8));
-      r = v2 + v3;
-      g = r & 0x01010100;
-      dest[filter->width + 1] = r | (g - (g >> 8));
-      dest[filter->width + 2] = v3;
-      dest[filter->width + 3] = v3;
-      dest[filter->width * 2] = v2;
-      dest[filter->width * 2 + 1] = v2;
-      dest[filter->width * 3] = v2;
-      dest[filter->width * 3 + 1] = v2;
-
-      src += 4;
-      dest += 4;
-    }
-    src += filter->width * 3 + 8 + filter->video_width_margin;
-    dest += filter->width * 3 + 8 + filter->video_width_margin;
-  }
-  gst_buffer_unref (buf);
-
-  gst_pad_push (filter->srcpad, outbuf);
-}
-
-static void
-gst_effectv_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
+GstPadTemplate* 
+gst_effectv_src_factory (void)
 {
-  GstEffecTV *filter;
-
-  /* it's not null if we got it, but it might not be ours */
-  g_return_if_fail (GST_IS_EFFECTV (object));
-
-  filter = GST_EFFECTV (object);
-
-  switch (prop_id) {
-    default:
-      break;
+  static GstPadTemplate *templ = NULL;
+  if (!templ) {
+    templ = GST_PAD_TEMPLATE_NEW ( 
+  		"src",
+  		GST_PAD_SRC,
+  		GST_PAD_ALWAYS,
+  		GST_CAPS_NEW (
+  		  "effectv_src",
+  		  "video/raw",
+  		    "format",         GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
+  		    "bpp",            GST_PROPS_INT (32),
+  		    "depth",          GST_PROPS_INT (32),
+  		    "endianness",     GST_PROPS_INT (G_BYTE_ORDER),
+  		    "red_mask",       GST_PROPS_INT (0xff0000),
+  		    "green_mask",     GST_PROPS_INT (0xff00),
+  		    "blue_mask",      GST_PROPS_INT (0xff),
+  		    "width",          GST_PROPS_INT_RANGE (16, 4096),
+  		    "height",         GST_PROPS_INT_RANGE (16, 4096)
+		)
+  	     );
   }
+  return templ;
 }
 
-static void
-gst_effectv_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
+GstPadTemplate* 
+gst_effectv_sink_factory (void)
 {
-  GstEffecTV *filter;
-
-  /* it's not null if we got it, but it might not be ours */
-  g_return_if_fail (GST_IS_EFFECTV (object));
-
-  filter = GST_EFFECTV (object);
-
-  switch (prop_id) {
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
+  static GstPadTemplate *templ = NULL;
+  if (!templ) {
+    templ = GST_PAD_TEMPLATE_NEW ( 
+  		"sink",
+  		GST_PAD_SINK,
+  		GST_PAD_ALWAYS,
+  		GST_CAPS_NEW (
+  		  "effectv_sink",
+  		  "video/raw",
+  		    "format",         GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
+  		    "bpp",            GST_PROPS_INT (32),
+  		    "depth",          GST_PROPS_INT (32),
+  		    "endianness",     GST_PROPS_INT (G_BYTE_ORDER),
+  		    "red_mask",       GST_PROPS_INT (0xff0000),
+  		    "green_mask",     GST_PROPS_INT (0xff00),
+  		    "blue_mask",      GST_PROPS_INT (0xff),
+  		    "width",          GST_PROPS_INT_RANGE (16, 4096),
+  		    "height",         GST_PROPS_INT_RANGE (16, 4096)
+		)
+  	     );
   }
+  return templ;
 }
 
 static gboolean
 plugin_init (GModule * module, GstPlugin * plugin)
 {
   GstElementFactory *factory;
+  gint i = 0;
 
-  factory = gst_element_factory_new ("edgeTV", GST_TYPE_EFFECTV, &effectv_details);
-  g_return_val_if_fail (factory != NULL, FALSE);
+  while (_elements[i].name) {
+    factory = gst_element_factory_new (_elements[i].name,
+                                      (_elements[i].type) (),
+                                       _elements[i].details);
 
-  gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (effectv_src_factory));
-  gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (effectv_sink_factory));
+    if (!factory) {
+      g_warning ("gst_effecttv_new failed for `%s'",
+                 _elements[i].name);
+      continue;
+    }
+    gst_element_factory_add_pad_template (factory, gst_effectv_src_factory ());
+    gst_element_factory_add_pad_template (factory, gst_effectv_sink_factory ());
 
-  gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+    gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+    if (_elements[i].factoryinit) {
+      _elements[i].factoryinit (factory);
+    }
+    i++;
+  }
 
   return TRUE;
 }
--- NEW FILE: gsteffectv.h ---
/* GStreamer
 * Copyright (C) <1999> Erik Walthinsen <om...@cs...>
 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include <gst/gst.h>

GType gst_edgetv_get_type (void);
extern GstElementDetails gst_edgetv_details;

GType gst_agingtv_get_type (void);
extern GstElementDetails gst_agingtv_details;

extern GstPadTemplate *gst_effectv_sink_factory ();
extern GstPadTemplate *gst_effectv_src_factory ();