Added some more components to port effectv

Original commit message from CVS:
Added some more components to port effectv

1 files changed, 219 insertions, 0 deletions

diff --git a/gst/effectv/gstaging.c b/gst/effectv/gstaging.c
new file mode 100644
index 00000000..d95433f5
--- /dev/null
+++ b/gst/effectv/gstaging.c
@@ -0,0 +1,219 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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.taymans@chello.be>",
+  "(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;
+  }
+}