mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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add navigation interface
Original commit message from CVS: add navigation interface
This commit is contained in:
David Schleef
parent
47a82d6039
commit
4fe6f5a34e
5 changed files with 324 additions and 0 deletions
93
gst-libs/gst/interfaces/navigation.c
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93
gst-libs/gst/interfaces/navigation.c
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@ -0,0 +1,93 @@
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/* GStreamer Navigation
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* navigation.c: navigation design virtual class function wrappers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/navigation/navigation.h>
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static void gst_navigation_class_init (GstNavigationClass *klass);
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GType
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gst_navigation_get_type (void)
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{
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static GType gst_navigation_type = 0;
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if (!gst_navigation_type) {
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static const GTypeInfo gst_navigation_info = {
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sizeof (GstNavigationClass),
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(GBaseInitFunc) gst_navigation_class_init,
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NULL,
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NULL,
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NULL,
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NULL,
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0,
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0,
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NULL,
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};
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gst_navigation_type = g_type_register_static (G_TYPE_INTERFACE,
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"GstNavigation",
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&gst_navigation_info, 0);
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g_type_interface_add_prerequisite (gst_navigation_type,
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GST_TYPE_INTERFACE);
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}
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return gst_navigation_type;
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}
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static void
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gst_navigation_class_init (GstNavigationClass *klass)
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{
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/* default virtual functions */
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klass->send_event = NULL;
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}
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void
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gst_navigation_send_event (GstNavigation *navigation, GstCaps *caps)
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{
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GstNavigationClass *klass = GST_NAVIGATION_GET_CLASS (navigation);
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if (klass->send_event) {
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return klass->send_event (navigation, caps);
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}
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}
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void
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gst_navigation_send_key_event (GstNavigation *navigation, const char *key)
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{
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gst_navigation_send_event (navigation, GST_CAPS_NEW ("key_event",
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"application/x-gst-navigation",
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"key", GST_PROPS_STRING (key)));
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}
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void
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gst_navigation_send_mouse_event (GstNavigation *navigation, double x,
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double y)
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{
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gst_navigation_send_event (navigation, GST_CAPS_NEW ("mouse_event",
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"application/x-gst-navigation",
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"pointer_x", GST_PROPS_FLOAT (x),
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"pointer_y", GST_PROPS_FLOAT (y)));
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}
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64
gst-libs/gst/interfaces/navigation.h
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64
gst-libs/gst/interfaces/navigation.h
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@ -0,0 +1,64 @@
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/* GStreamer Navigation
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* Copyright (C) 2003 David A. Schleef <ds@schleef.org>
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*
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* navigation.h: navigation interface design
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_NAVIGATION_H__
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#define __GST_NAVIGATION_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_NAVIGATION \
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(gst_navigation_get_type ())
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#define GST_NAVIGATION(obj) \
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(GST_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_NAVIGATION, GstNavigation))
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#define GST_NAVIGATION_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_NAVIGATION, GstNavigationClass))
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#define GST_IS_NAVIGATION(obj) \
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(GST_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_NAVIGATION))
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#define GST_IS_NAVIGATION_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_NAVIGATION))
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#define GST_NAVIGATION_GET_CLASS(inst) \
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(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_NAVIGATION, GstNavigationClass))
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typedef struct _GstNavigation GstNavigation;
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typedef struct _GstNavigationClass {
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GTypeInterface klass;
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/* virtual functions */
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void (*send_event) (GstNavigation *navigation, GstCaps *caps);
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} GstNavigationClass;
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GType gst_navigation_get_type (void);
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/* virtual class function wrappers */
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void gst_navigation_send_event (GstNavigation *navigation, GstCaps *caps);
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void gst_navigation_send_key_event (GstNavigation *navigation, const char *key);
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void gst_navigation_send_mouse_event (GstNavigation *navigation, double x,
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double y);
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G_END_DECLS
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#endif /* __GST_NAVIGATION_H__ */
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10
gst-libs/gst/navigation/Makefile.am
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10
gst-libs/gst/navigation/Makefile.am
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@ -0,0 +1,10 @@
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lib_LTLIBRARIES = libgstnavigation.la
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libgstnavigation_la_SOURCES = navigation.c
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libgstnavigationincludedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/navigation
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libgstnavigationinclude_HEADERS = navigation.h
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libgstnavigation_la_LIBADD =
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libgstnavigation_la_CFLAGS = $(GST_CFLAGS) $(GST_OPT_CFLAGS)
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libgstnavigation_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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93
gst-libs/gst/navigation/navigation.c
Normal file
93
gst-libs/gst/navigation/navigation.c
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@ -0,0 +1,93 @@
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/* GStreamer Navigation
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* navigation.c: navigation design virtual class function wrappers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/navigation/navigation.h>
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static void gst_navigation_class_init (GstNavigationClass *klass);
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GType
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gst_navigation_get_type (void)
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{
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static GType gst_navigation_type = 0;
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if (!gst_navigation_type) {
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static const GTypeInfo gst_navigation_info = {
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sizeof (GstNavigationClass),
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(GBaseInitFunc) gst_navigation_class_init,
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NULL,
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NULL,
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NULL,
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NULL,
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0,
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0,
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NULL,
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};
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gst_navigation_type = g_type_register_static (G_TYPE_INTERFACE,
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"GstNavigation",
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&gst_navigation_info, 0);
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g_type_interface_add_prerequisite (gst_navigation_type,
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GST_TYPE_INTERFACE);
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}
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return gst_navigation_type;
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}
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static void
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gst_navigation_class_init (GstNavigationClass *klass)
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{
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/* default virtual functions */
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klass->send_event = NULL;
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}
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void
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gst_navigation_send_event (GstNavigation *navigation, GstCaps *caps)
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{
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GstNavigationClass *klass = GST_NAVIGATION_GET_CLASS (navigation);
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if (klass->send_event) {
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return klass->send_event (navigation, caps);
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}
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}
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void
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gst_navigation_send_key_event (GstNavigation *navigation, const char *key)
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{
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gst_navigation_send_event (navigation, GST_CAPS_NEW ("key_event",
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"application/x-gst-navigation",
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"key", GST_PROPS_STRING (key)));
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}
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void
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gst_navigation_send_mouse_event (GstNavigation *navigation, double x,
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double y)
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{
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gst_navigation_send_event (navigation, GST_CAPS_NEW ("mouse_event",
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"application/x-gst-navigation",
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"pointer_x", GST_PROPS_FLOAT (x),
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"pointer_y", GST_PROPS_FLOAT (y)));
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}
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64
gst-libs/gst/navigation/navigation.h
Normal file
64
gst-libs/gst/navigation/navigation.h
Normal file
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@ -0,0 +1,64 @@
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/* GStreamer Navigation
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* Copyright (C) 2003 David A. Schleef <ds@schleef.org>
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*
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* navigation.h: navigation interface design
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_NAVIGATION_H__
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#define __GST_NAVIGATION_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_NAVIGATION \
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(gst_navigation_get_type ())
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#define GST_NAVIGATION(obj) \
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(GST_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_NAVIGATION, GstNavigation))
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#define GST_NAVIGATION_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_NAVIGATION, GstNavigationClass))
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#define GST_IS_NAVIGATION(obj) \
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(GST_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_NAVIGATION))
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#define GST_IS_NAVIGATION_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_NAVIGATION))
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#define GST_NAVIGATION_GET_CLASS(inst) \
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(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_NAVIGATION, GstNavigationClass))
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typedef struct _GstNavigation GstNavigation;
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typedef struct _GstNavigationClass {
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GTypeInterface klass;
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/* virtual functions */
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void (*send_event) (GstNavigation *navigation, GstCaps *caps);
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} GstNavigationClass;
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GType gst_navigation_get_type (void);
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/* virtual class function wrappers */
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void gst_navigation_send_event (GstNavigation *navigation, GstCaps *caps);
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void gst_navigation_send_key_event (GstNavigation *navigation, const char *key);
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void gst_navigation_send_mouse_event (GstNavigation *navigation, double x,
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double y);
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G_END_DECLS
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#endif /* __GST_NAVIGATION_H__ */
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