opencv: Refactor files structure

Remove internal folders and put all code inside the main plugin
folder. Also fixes some building warnings.

1 files changed, 361 insertions, 0 deletions

diff --git a/ext/opencv/gstcvsmooth.c b/ext/opencv/gstcvsmooth.c
new file mode 100644
index 000000000..46d880dc6
--- /dev/null
+++ b/ext/opencv/gstcvsmooth.c
@@ -0,0 +1,361 @@
+/*
+ * GStreamer
+ * Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
+ * which case the following provisions apply instead of the ones
+ * mentioned above:
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <gst/gst.h>
+
+#include "gstcvsmooth.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_cv_smooth_debug);
+#define GST_CAT_DEFAULT gst_cv_smooth_debug
+
+static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("video/x-raw-rgb, depth=(int)24, bpp=(int)24;"
+        "video/x-raw-gray, depth=(int)8, bpp=(int)8")
+    );
+
+static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("video/x-raw-rgb, depth=(int)24, bpp=(int)24;"
+        "video/x-raw-gray, depth=(int)8, bpp=(int)8")
+    );
+
+/* Filter signals and args */
+enum
+{
+  /* FILL ME */
+  LAST_SIGNAL
+};
+enum
+{
+  PROP_0,
+  PROP_SMOOTH_TYPE,
+  PROP_PARAM1,
+  PROP_PARAM2,
+  PROP_PARAM3,
+  PROP_PARAM4
+};
+
+/* blur-no-scale only handle: gray 8bits -> gray 16bits
+ * FIXME there is no way in base transform to override pad's getcaps
+ * to be property-sensitive, instead of using the template caps as
+ * the base caps, this might lead us to negotiating rgb in this
+ * smooth type.
+ *
+ * Keep it deactivated for now.
+ */
+
+#define GST_TYPE_CV_SMOOTH_TYPE (gst_cv_smooth_type_get_type ())
+static GType
+gst_cv_smooth_type_get_type (void)
+{
+  static GType cv_smooth_type_type = 0;
+
+  static const GEnumValue smooth_types[] = {
+/*    {CV_BLUR_NO_SCALE, "CV Blur No Scale", "blur-no-scale"}, */
+    {CV_BLUR, "CV Blur", "blur"},
+    {CV_GAUSSIAN, "CV Gaussian", "gaussian"},
+    {CV_MEDIAN, "CV Median", "median"},
+    {CV_BILATERAL, "CV Bilateral", "bilateral"},
+    {0, NULL, NULL},
+  };
+
+  if (!cv_smooth_type_type) {
+    cv_smooth_type_type =
+        g_enum_register_static ("GstCvSmoothTypeType", smooth_types);
+  }
+  return cv_smooth_type_type;
+}
+
+#define DEFAULT_CV_SMOOTH_TYPE CV_GAUSSIAN
+#define DEFAULT_PARAM1 3
+#define DEFAULT_PARAM2 0.0
+#define DEFAULT_PARAM3 0.0
+#define DEFAULT_PARAM4 0.0
+
+GST_BOILERPLATE (GstCvSmooth, gst_cv_smooth, GstOpencvVideoFilter,
+    GST_TYPE_OPENCV_VIDEO_FILTER);
+
+static void gst_cv_smooth_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec);
+static void gst_cv_smooth_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec);
+
+static GstFlowReturn gst_cv_smooth_transform_ip (GstOpencvVideoFilter *
+    filter, GstBuffer * buf, IplImage * img);
+static GstFlowReturn gst_cv_smooth_transform (GstOpencvVideoFilter * filter,
+    GstBuffer * buf, IplImage * img, GstBuffer * outbuf, IplImage * outimg);
+
+/* Clean up */
+static void
+gst_cv_smooth_finalize (GObject * obj)
+{
+  G_OBJECT_CLASS (parent_class)->finalize (obj);
+}
+
+
+/* GObject vmethod implementations */
+
+static void
+gst_cv_smooth_base_init (gpointer gclass)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
+
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&src_factory));
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&sink_factory));
+
+  gst_element_class_set_details_simple (element_class,
+      "cvsmooth",
+      "Transform/Effect/Video",
+      "Applies cvSmooth OpenCV function to the image",
+      "Thiago Santos<thiago.sousa.santos@collabora.co.uk>");
+}
+
+/* initialize the cvsmooth's class */
+static void
+gst_cv_smooth_class_init (GstCvSmoothClass * klass)
+{
+  GObjectClass *gobject_class;
+  GstOpencvVideoFilterClass *gstopencvbasefilter_class;
+  GstElementClass *gstelement_class;
+
+  gobject_class = (GObjectClass *) klass;
+  gstelement_class = (GstElementClass *) klass;
+  gstopencvbasefilter_class = (GstOpencvVideoFilterClass *) klass;
+
+  parent_class = g_type_class_peek_parent (klass);
+
+  gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_cv_smooth_finalize);
+  gobject_class->set_property = gst_cv_smooth_set_property;
+  gobject_class->get_property = gst_cv_smooth_get_property;
+
+  gstopencvbasefilter_class->cv_trans_ip_func = gst_cv_smooth_transform_ip;
+  gstopencvbasefilter_class->cv_trans_func = gst_cv_smooth_transform;
+
+  g_object_class_install_property (gobject_class, PROP_SMOOTH_TYPE,
+      g_param_spec_enum ("type",
+          "type",
+          "Smooth Type",
+          GST_TYPE_CV_SMOOTH_TYPE,
+          DEFAULT_CV_SMOOTH_TYPE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)
+      );
+  g_object_class_install_property (gobject_class, PROP_PARAM1,
+      g_param_spec_int ("param1", "param1 (aperture width)",
+          "The aperture width (Must be positive and odd)."
+          "Check cvSmooth OpenCV docs: http://opencv.willowgarage.com"
+          "/documentation/image_filtering.html#cvSmooth", 1, G_MAXINT,
+          DEFAULT_PARAM1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (gobject_class, PROP_PARAM2,
+      g_param_spec_int ("param2", "param2 (aperture height)",
+          "The aperture height, if zero, the width is used."
+          "(Must be positive and odd or zero, unuset in median and bilateral "
+          "types). Check cvSmooth OpenCV docs: http://opencv.willowgarage.com"
+          "/documentation/image_filtering.html#cvSmooth", 0, G_MAXINT,
+          DEFAULT_PARAM2, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (gobject_class, PROP_PARAM3,
+      g_param_spec_double ("param3", "param3 (gaussian standard deviation or "
+          "color sigma",
+          "If type is gaussian, this means the standard deviation."
+          "If type is bilateral, this means the color-sigma. If zero, "
+          "Default values are used."
+          "Check cvSmooth OpenCV docs: http://opencv.willowgarage.com"
+          "/documentation/image_filtering.html#cvSmooth",
+          0, G_MAXDOUBLE, DEFAULT_PARAM3,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (gobject_class, PROP_PARAM4,
+      g_param_spec_double ("param4", "param4 (spatial sigma, bilateral only)",
+          "Only used in bilateral type, means the spatial-sigma."
+          "Check cvSmooth OpenCV docs: http://opencv.willowgarage.com"
+          "/documentation/image_filtering.html#cvSmooth",
+          0, G_MAXDOUBLE, DEFAULT_PARAM4,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+}
+
+/* initialize the new element
+ * instantiate pads and add them to element
+ * set pad calback functions
+ * initialize instance structure
+ */
+static void
+gst_cv_smooth_init (GstCvSmooth * filter, GstCvSmoothClass * gclass)
+{
+  filter->type = DEFAULT_CV_SMOOTH_TYPE;
+  filter->param1 = DEFAULT_PARAM1;
+  filter->param2 = DEFAULT_PARAM2;
+  filter->param3 = DEFAULT_PARAM3;
+  filter->param4 = DEFAULT_PARAM4;
+
+  gst_base_transform_set_in_place (GST_BASE_TRANSFORM (filter), FALSE);
+}
+
+static void
+gst_cv_smooth_change_type (GstCvSmooth * filter, gint value)
+{
+  GST_DEBUG_OBJECT (filter, "Changing type from %d to %d", filter->type, value);
+  if (filter->type == value)
+    return;
+
+  filter->type = value;
+  switch (value) {
+    case CV_GAUSSIAN:
+    case CV_BLUR:
+      gst_base_transform_set_in_place (GST_BASE_TRANSFORM (filter), TRUE);
+      break;
+    default:
+      gst_base_transform_set_in_place (GST_BASE_TRANSFORM (filter), FALSE);
+      break;
+  }
+}
+
+static void
+gst_cv_smooth_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec)
+{
+  GstCvSmooth *filter = GST_CV_SMOOTH (object);
+
+  switch (prop_id) {
+    case PROP_SMOOTH_TYPE:
+      gst_cv_smooth_change_type (filter, g_value_get_enum (value));
+      break;
+    case PROP_PARAM1:{
+      gint prop = g_value_get_int (value);
+
+      if (prop % 2 == 1) {
+        filter->param1 = prop;
+      } else {
+        GST_WARNING_OBJECT (filter, "Ignoring value for param1, not odd"
+            "(%d)", prop);
+      }
+    }
+      break;
+    case PROP_PARAM2:{
+      gint prop = g_value_get_int (value);
+
+      if (prop % 2 == 1 || prop == 0) {
+        filter->param1 = prop;
+      } else {
+        GST_WARNING_OBJECT (filter, "Ignoring value for param2, not odd"
+            " nor zero (%d)", prop);
+      }
+    }
+      break;
+    case PROP_PARAM3:
+      filter->param3 = g_value_get_double (value);
+      break;
+    case PROP_PARAM4:
+      filter->param4 = g_value_get_double (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gst_cv_smooth_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec)
+{
+  GstCvSmooth *filter = GST_CV_SMOOTH (object);
+
+  switch (prop_id) {
+    case PROP_SMOOTH_TYPE:
+      g_value_set_enum (value, filter->type);
+      break;
+    case PROP_PARAM1:
+      g_value_set_int (value, filter->param1);
+      break;
+    case PROP_PARAM2:
+      g_value_set_int (value, filter->param2);
+      break;
+    case PROP_PARAM3:
+      g_value_set_double (value, filter->param3);
+      break;
+    case PROP_PARAM4:
+      g_value_set_double (value, filter->param4);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static GstFlowReturn
+gst_cv_smooth_transform (GstOpencvVideoFilter * base, GstBuffer * buf,
+    IplImage * img, GstBuffer * outbuf, IplImage * outimg)
+{
+  GstCvSmooth *filter = GST_CV_SMOOTH (base);
+
+  cvSmooth (img, outimg, filter->type, filter->param1, filter->param2,
+      filter->param3, filter->param4);
+
+  return GST_FLOW_OK;
+}
+
+static GstFlowReturn
+gst_cv_smooth_transform_ip (GstOpencvVideoFilter * base, GstBuffer * buf,
+    IplImage * img)
+{
+  GstCvSmooth *filter = GST_CV_SMOOTH (base);
+
+  cvSmooth (img, img, filter->type, filter->param1, filter->param2,
+      filter->param3, filter->param4);
+
+  return GST_FLOW_OK;
+}
+
+gboolean
+gst_cv_smooth_plugin_init (GstPlugin * plugin)
+{
+  GST_DEBUG_CATEGORY_INIT (gst_cv_smooth_debug, "cvsmooth", 0, "cvsmooth");
+
+  return gst_element_register (plugin, "cvsmooth", GST_RANK_NONE,
+      GST_TYPE_CV_SMOOTH);
+}