[farsight2/master] Add fsfunnel element
Olivier Crête
olivier.crete at collabora.co.uk
Tue Dec 23 15:19:14 PST 2008
---
configure.ac | 2 +
gst/funnel/Makefile.am | 8 ++
gst/funnel/gstfsfunnel.c | 187 ++++++++++++++++++++++++++++++++++++++++++++++
gst/funnel/gstfsfunnel.h | 67 ++++++++++++++++
4 files changed, 264 insertions(+), 0 deletions(-)
create mode 100644 gst/funnel/Makefile.am
create mode 100644 gst/funnel/gstfsfunnel.c
create mode 100644 gst/funnel/gstfsfunnel.h
diff --git a/configure.ac b/configure.ac
index 2a7ac75..ea7c2d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -98,6 +98,7 @@ AC_SUBST(GST_INSTALL_PLUGINS_HELPER)
dnl these are all the gst plug-ins, compilable without additional libs
FS2_PLUGINS_ALL=" \
fsrtpconference \
+ funnel
"
AC_SUBST(FS2_PLUGINS_ALL)
@@ -295,6 +296,7 @@ AC_CONFIG_FILES(
Makefile
gst/Makefile
gst/fsrtpconference/Makefile
+gst/funnel/Makefile
gst-libs/Makefile
gst-libs/gst/Makefile
gst-libs/gst/farsight/Makefile
diff --git a/gst/funnel/Makefile.am b/gst/funnel/Makefile.am
new file mode 100644
index 0000000..52b1645
--- /dev/null
+++ b/gst/funnel/Makefile.am
@@ -0,0 +1,8 @@
+plugin_LTLIBRARIES = libfsfunnel.la
+
+libfsfunnel_la_SOURCES = gstfsfunnel.c
+libfsfunnel_la_CFLAGS = $(FS2_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
+libfsfunnel_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+libfsfunnel_la_LIBADD = $(FS2_LIBS) $(GST_BASE_LIBS) $(GST_LIBS)
+
+noinst_HEADERS = gstfsfunnel.c
diff --git a/gst/funnel/gstfsfunnel.c b/gst/funnel/gstfsfunnel.c
new file mode 100644
index 0000000..ed9f19d
--- /dev/null
+++ b/gst/funnel/gstfsfunnel.c
@@ -0,0 +1,187 @@
+/*
+ * Farsight2 - Farsight Funnel element
+ *
+ * Copyright 2007 Collabora Ltd.
+ * @author: Olivier Crete <olivier.crete at collabora.co.uk>
+ * Copyright 2007 Nokia Corp.
+ *
+ * gstfsfunnel.c: Simple Funnel element
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/**
+ * SECTION:element-funnel
+ * @short_description: N-to-1 simple funnel
+ *
+ * Takes packets from various input sinks into one output source
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "gstfsfunnel.h"
+
+GST_DEBUG_CATEGORY_STATIC (fs_funnel_debug);
+#define GST_CAT_DEFAULT fs_funnel_debug
+
+
+static GstStaticPadTemplate funnel_sink_template =
+ GST_STATIC_PAD_TEMPLATE ("sink%d",
+ GST_PAD_SINK,
+ GST_PAD_REQUEST,
+ GST_STATIC_CAPS_ANY);
+
+static GstStaticPadTemplate funnel_src_template =
+ GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+
+
+#define _do_init(bla) \
+ GST_DEBUG_CATEGORY_INIT (fs_funnel_debug, "fsfunnel", 0, "fsfunnel element");
+
+GST_BOILERPLATE_FULL (FsFunnel, fs_funnel, GstElement, GST_TYPE_ELEMENT,
+ _do_init);
+
+
+
+static GstPad *fs_funnel_request_new_pad (GstElement * element,
+ GstPadTemplate * templ, const gchar * name);
+static void fs_funnel_release_pad (GstElement * element, GstPad * pad);
+static GstFlowReturn fs_funnel_chain (GstPad * pad, GstBuffer * buffer);
+
+
+
+
+static void
+fs_funnel_base_init (gpointer g_class)
+{
+ GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_set_details_simple (gstelement_class,
+ "Farsight Funnel pipe fitting",
+ "Generic",
+ "N-to-1 pipe fitting",
+ "Olivier Crete <olivier.crete at collabora.co.uk>");
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&funnel_sink_template));
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&funnel_src_template));
+}
+
+
+static void
+fs_funnel_finalize (GObject * object)
+{
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+fs_funnel_class_init (FsFunnelClass * klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
+
+ gobject_class->finalize = GST_DEBUG_FUNCPTR (fs_funnel_finalize);
+
+ gstelement_class->request_new_pad =
+ GST_DEBUG_FUNCPTR (fs_funnel_request_new_pad);
+ gstelement_class->release_pad = GST_DEBUG_FUNCPTR (fs_funnel_release_pad);
+}
+
+
+
+static void
+fs_funnel_init (FsFunnel * funnel, FsFunnelClass * g_class)
+{
+ funnel->srcpad = gst_pad_new_from_static_template (&funnel_src_template,
+ "src");
+
+ gst_element_add_pad (GST_ELEMENT (funnel), funnel->srcpad);
+}
+
+
+static GstPad *
+fs_funnel_request_new_pad (GstElement * element, GstPadTemplate * templ,
+ const gchar * name)
+{
+ GstPad *sinkpad;
+ FsFunnel *funnel = FS_FUNNEL (element);
+
+ GST_DEBUG_OBJECT (funnel, "requesting pad");
+
+ sinkpad = gst_pad_new_from_template (templ, name);
+
+ // gst_pad_set_setcaps_function ()
+
+ gst_pad_set_chain_function (sinkpad, fs_funnel_chain);
+
+ gst_element_add_pad (element, sinkpad);
+
+ return sinkpad;
+}
+
+static void
+fs_funnel_release_pad (GstElement * element, GstPad * pad)
+{
+ FsFunnel *funnel = FS_FUNNEL (element);
+
+ GST_DEBUG_OBJECT (funnel, "releasing pad");
+
+ gst_pad_set_active (pad, FALSE);
+
+ gst_element_remove_pad (GST_ELEMENT_CAST (funnel), pad);
+}
+
+static GstFlowReturn
+fs_funnel_chain (GstPad * pad, GstBuffer * buffer)
+{
+ GstFlowReturn res;
+ FsFunnel *funnel = FS_FUNNEL (gst_pad_get_parent (pad));
+
+ GST_DEBUG_OBJECT (funnel, "received buffer %p", buffer);
+
+ res = gst_pad_chain (funnel->srcpad, buffer);
+
+ GST_DEBUG_OBJECT (funnel, "handled buffer %s", gst_flow_get_name (res));
+
+ gst_object_unref (funnel);
+
+ return res;
+}
+
+
+
+static gboolean plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "fsfunnel",
+ GST_RANK_NONE, FS_TYPE_FUNNEL);
+}
+
+GST_PLUGIN_DEFINE (
+ GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "fsfunnel",
+ "Farsight Funnel plugin",
+ plugin_init,
+ VERSION,
+ "LGPL",
+ "Farsight",
+ "http://farsight.freedesktop.org/"
+)
diff --git a/gst/funnel/gstfsfunnel.h b/gst/funnel/gstfsfunnel.h
new file mode 100644
index 0000000..5efe82b
--- /dev/null
+++ b/gst/funnel/gstfsfunnel.h
@@ -0,0 +1,67 @@
+/*
+ * Farsight2 - Farsight Funnel element
+ *
+ * Copyright 2007 Collabora Ltd.
+ * @author: Olivier Crete <olivier.crete at collabora.co.uk>
+ * Copyright 2007 Nokia Corp.
+ *
+ * gstfsfunnel.h: Simple Funnel element
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+#ifndef __FS_FUNNEL_H__
+#define __FS_FUNNEL_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define FS_TYPE_FUNNEL \
+ (fs_funnel_get_type())
+#define FS_FUNNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),FS_TYPE_FUNNEL,FsFunnel))
+#define FS_FUNNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),FS_TYPE_FUNNEL,FsFunnelClass))
+#define FS_IS_FUNNEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),FS_TYPE_FUNNEL))
+#define FS_IS_FUNNEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),FS_TYPE_FUNNEL))
+
+typedef struct _FsFunnel FsFunnel;
+typedef struct _FsFunnelClass FsFunnelClass;
+
+/**
+ * FsFunnel:
+ *
+ * Opaque #FsFunnel data structure.
+ */
+struct _FsFunnel {
+ GstElement element;
+
+ /*< private >*/
+ GstPad *srcpad;
+};
+
+struct _FsFunnelClass {
+ GstElementClass parent_class;
+};
+
+GType fs_funnel_get_type (void);
+
+G_END_DECLS
+
+#endif /* __FS_FUNNEL_H__ */
--
1.5.6.5
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