--- /dev/null
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ * Copyright (C) <2003> David Schleef <ds@schleef.org>
+ *
+ * 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.
+ */
+
+/*
+ * This file was (probably) generated from gstnavigationtest.c,
+ * gstnavigationtest.c,v 1.7 2003/11/08 02:48:59 dschleef Exp
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/*#define DEBUG_ENABLED */
+#include <gstnavigationtest.h>
+#include <string.h>
+#include <math.h>
+
+/* GstNavigationtest signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ /* FILL ME */
+};
+
+static void gst_navigationtest_base_init (gpointer g_class);
+static void gst_navigationtest_class_init (gpointer g_class, gpointer class_data);
+static void gst_navigationtest_init (GTypeInstance *instance, gpointer g_class);
+
+static gboolean gst_navigationtest_handle_src_event (GstPad *pad, GstEvent *event);
+static void gst_navigationtest_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
+static void gst_navigationtest_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
+
+static void gst_navigationtest_planar411(GstVideofilter *videofilter, void *dest, void *src);
+static void gst_navigationtest_setup(GstVideofilter *videofilter);
+
+GType
+gst_navigationtest_get_type (void)
+{
+ static GType navigationtest_type = 0;
+
+ if (!navigationtest_type) {
+ static const GTypeInfo navigationtest_info = {
+ sizeof(GstNavigationtestClass),
+ gst_navigationtest_base_init,
+ NULL,
+ gst_navigationtest_class_init,
+ NULL,
+ NULL,
+ sizeof(GstNavigationtest),
+ 0,
+ gst_navigationtest_init,
+ };
+ navigationtest_type = g_type_register_static(GST_TYPE_VIDEOFILTER,
+ "GstNavigationtest", &navigationtest_info, 0);
+ }
+ return navigationtest_type;
+}
+
+static GstVideofilterFormat gst_navigationtest_formats[] = {
+ { "I420", 12, gst_navigationtest_planar411, },
+};
+
+
+static void
+gst_navigationtest_base_init (gpointer g_class)
+{
+ static GstElementDetails navigationtest_details = GST_ELEMENT_DETAILS (
+ "Video Filter Template",
+ "Filter/Video",
+ "Template for a video filter",
+ "David Schleef <ds@schleef.org>"
+ );
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+ GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
+ int i;
+
+ gst_element_class_set_details (element_class, &navigationtest_details);
+
+ for(i=0;i<G_N_ELEMENTS(gst_navigationtest_formats);i++){
+ gst_videofilter_class_add_format(videofilter_class,
+ gst_navigationtest_formats + i);
+ }
+
+ gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
+}
+
+static void
+gst_navigationtest_class_init (gpointer g_class, gpointer class_data)
+{
+ GObjectClass *gobject_class;
+ GstVideofilterClass *videofilter_class;
+
+ gobject_class = G_OBJECT_CLASS (g_class);
+ videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
+
+#if 0
+ g_object_class_install_property(gobject_class, ARG_METHOD,
+ g_param_spec_enum("method","method","method",
+ GST_TYPE_NAVIGATIONTEST_METHOD, GST_NAVIGATIONTEST_METHOD_1,
+ G_PARAM_READWRITE));
+#endif
+
+ gobject_class->set_property = gst_navigationtest_set_property;
+ gobject_class->get_property = gst_navigationtest_get_property;
+
+ videofilter_class->setup = gst_navigationtest_setup;
+}
+
+static void
+gst_navigationtest_init (GTypeInstance *instance, gpointer g_class)
+{
+ GstNavigationtest *navigationtest = GST_NAVIGATIONTEST (instance);
+ GstVideofilter *videofilter;
+
+ GST_DEBUG("gst_navigationtest_init");
+
+ videofilter = GST_VIDEOFILTER(navigationtest);
+
+ gst_pad_set_event_function (videofilter->srcpad,
+ gst_navigationtest_handle_src_event);
+
+ navigationtest->x = -1;
+ navigationtest->y = -1;
+}
+
+static gboolean
+gst_navigationtest_handle_src_event (GstPad *pad, GstEvent *event)
+{
+ GstNavigationtest *navigationtest;
+
+ navigationtest = GST_NAVIGATIONTEST (gst_pad_get_parent (pad));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_NAVIGATION:
+ gst_caps_get_float(event->event_data.caps.caps, "pointer_x",
+ &navigationtest->x);
+ gst_caps_get_float(event->event_data.caps.caps, "pointer_y",
+ &navigationtest->y);
+ break;
+ default:
+ break;
+ }
+ return TRUE;
+}
+
+static void
+gst_navigationtest_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+ GstNavigationtest *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_NAVIGATIONTEST(object));
+ src = GST_NAVIGATIONTEST(object);
+
+ GST_DEBUG("gst_navigationtest_set_property");
+ switch (prop_id) {
+#if 0
+ case ARG_METHOD:
+ src->method = g_value_get_enum (value);
+ break;
+#endif
+ default:
+ break;
+ }
+}
+
+static void
+gst_navigationtest_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+ GstNavigationtest *src;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_NAVIGATIONTEST(object));
+ src = GST_NAVIGATIONTEST(object);
+
+ switch (prop_id) {
+#if 0
+ case ARG_METHOD:
+ g_value_set_enum (value, src->method);
+ break;
+#endif
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean plugin_init (GstPlugin *plugin)
+{
+ if(!gst_library_load("gstvideofilter"))
+ return FALSE;
+
+ return gst_element_register (plugin, "navigationtest", GST_RANK_NONE,
+ GST_TYPE_NAVIGATIONTEST);
+}
+
+GST_PLUGIN_DEFINE (
+ GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "navigationtest",
+ "Template for a video filter",
+ plugin_init,
+ VERSION,
+ GST_LICENSE,
+ GST_COPYRIGHT,
+ GST_PACKAGE,
+ GST_ORIGIN
+)
+
+static void gst_navigationtest_setup(GstVideofilter *videofilter)
+{
+ GstNavigationtest *navigationtest;
+
+ g_return_if_fail(GST_IS_NAVIGATIONTEST(videofilter));
+ navigationtest = GST_NAVIGATIONTEST(videofilter);
+
+ /* if any setup needs to be done, do it here */
+
+}
+
+static void gst_navigationtest_planar411(GstVideofilter *videofilter,
+ void *dest, void *src)
+{
+ GstNavigationtest *navigationtest;
+ int width = gst_videofilter_get_input_width(videofilter);
+ int height = gst_videofilter_get_input_height(videofilter);
+ int x,y;
+ int x1, x2, y1, y2;
+
+ g_return_if_fail(GST_IS_NAVIGATIONTEST(videofilter));
+ navigationtest = GST_NAVIGATIONTEST(videofilter);
+
+ /* do something interesting here. This simply copies the source
+ * to the destination. */
+ memcpy(dest,src,width * height + (width/2) * (height/2) * 2);
+
+ x = rint(navigationtest->x);
+ y = rint(navigationtest->y);
+
+ if(x<0 || y<0 || x>=width || y>=height)return;
+
+ x1 = MAX(x-5, 0);
+ x2 = MIN(x+5, width);
+ y1 = MAX(y-5, 0);
+ y2 = MIN(y+5, height);
+
+ for(y=y1;y<y2;y++){
+ for(x=x1;x<x2;x++){
+ ((guint8 *)dest)[y*width + x] = 0;
+ }
+ }
+
+ dest += height*width;
+ width /= 2;
+ height /= 2;
+ x1 /= 2;
+ x2 /= 2;
+ y1 /= 2;
+ y2 /= 2;
+ for(y=y1;y<y2;y++){
+ for(x=x1;x<x2;x++){
+ ((guint8 *)dest)[y*width + x] = 128;
+ }
+ }
+
+ dest += height*width;
+ for(y=y1;y<y2;y++){
+ for(x=x1;x<x2;x++){
+ ((guint8 *)dest)[y*width + x] = 128;
+ }
+ }
+
+}
+
--- /dev/null
+/* 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.
+ */
+
+
+#ifndef __GST_NAVIGATIONTEST_H__
+#define __GST_NAVIGATIONTEST_H__
+
+
+#include <gst/gst.h>
+
+#include "gstvideofilter.h"
+
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_NAVIGATIONTEST \
+ (gst_navigationtest_get_type())
+#define GST_NAVIGATIONTEST(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NAVIGATIONTEST,GstNavigationtest))
+#define GST_NAVIGATIONTEST_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NAVIGATIONTEST,GstNavigationtestClass))
+#define GST_IS_NAVIGATIONTEST(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NAVIGATIONTEST))
+#define GST_IS_NAVIGATIONTEST_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NAVIGATIONTEST))
+
+typedef struct _GstNavigationtest GstNavigationtest;
+typedef struct _GstNavigationtestClass GstNavigationtestClass;
+
+struct _GstNavigationtest {
+ GstVideofilter videofilter;
+
+ float x;
+ float y;
+};
+
+struct _GstNavigationtestClass {
+ GstVideofilterClass parent_class;
+};
+
+GType gst_navigationtest_get_type(void);
+
+G_END_DECLS
+
+#endif /* __GST_NAVIGATIONTEST_H__ */
+
projects / platform / upstream / gst-plugins-good.git / commitdiff