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/*
* GStreamer
* Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net>
* Copyright (C) YEAR AUTHOR_NAME AUTHOR_EMAIL
*
* 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.
*/
/**
* SECTION:element-plugin
*
* FIXME:Describe plugin here.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch -v -m fakesrc ! plugin ! fakesink silent=TRUE
* ]|
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/controller/gstcontroller.h>
#include "gsttransform.h"
GST_DEBUG_CATEGORY_STATIC (gst_plugin_template_debug);
#define GST_CAT_DEFAULT gst_plugin_template_debug
/* Filter signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_SILENT,
};
/* the capabilities of the inputs and outputs.
*
* FIXME:describe the real formats here.
*/
static GstStaticPadTemplate sink_template =
GST_STATIC_PAD_TEMPLATE (
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("ANY")
);
static GstStaticPadTemplate src_template =
GST_STATIC_PAD_TEMPLATE (
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("ANY")
);
#define gst_plugin_template_parent_class parent_class
G_DEFINE_TYPE (GstPluginTemplate, gst_plugin_template, GST_TYPE_BASE_TRANSFORM);
static void gst_plugin_template_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_plugin_template_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstFlowReturn gst_plugin_template_transform_ip (GstBaseTransform * base,
GstBuffer * outbuf);
/* GObject vmethod implementations */
/* initialize the plugin's class */
static void
gst_plugin_template_class_init (GstPluginTemplateClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gobject_class->set_property = gst_plugin_template_set_property;
gobject_class->get_property = gst_plugin_template_get_property;
g_object_class_install_property (gobject_class, PROP_SILENT,
g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
FALSE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
gst_element_class_set_details_simple (gstelement_class,
"Plugin",
"Generic/Filter",
"FIXME:Generic Template Filter",
"AUTHOR_NAME AUTHOR_EMAIL");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&src_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_template));
GST_BASE_TRANSFORM_CLASS (klass)->transform_ip =
GST_DEBUG_FUNCPTR (gst_plugin_template_transform_ip);
/* debug category for fltering log messages
*
* FIXME:exchange the string 'Template plugin' with your description
*/
GST_DEBUG_CATEGORY_INIT (gst_plugin_template_debug, "plugin", 0, "Template plugin");
}
/* initialize the new element
* initialize instance structure
*/
static void
gst_plugin_template_init (GstPluginTemplate *filter)
{
filter->silent = FALSE;
}
static void
gst_plugin_template_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstPluginTemplate *filter = GST_PLUGIN_TEMPLATE (object);
switch (prop_id) {
case PROP_SILENT:
filter->silent = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_plugin_template_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstPluginTemplate *filter = GST_PLUGIN_TEMPLATE (object);
switch (prop_id) {
case PROP_SILENT:
g_value_set_boolean (value, filter->silent);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/* GstBaseTransform vmethod implementations */
/* this function does the actual processing
*/
static GstFlowReturn
gst_plugin_template_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
{
GstPluginTemplate *filter = GST_PLUGIN_TEMPLATE (base);
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_TIMESTAMP (outbuf)))
gst_object_sync_values (G_OBJECT (filter), GST_BUFFER_TIMESTAMP (outbuf));
if (filter->silent == FALSE)
g_print ("I'm plugged, therefore I'm in.\n");
/* FIXME: do something interesting here. This simply copies the source
* to the destination. */
return GST_FLOW_OK;
}
/* entry point to initialize the plug-in
* initialize the plug-in itself
* register the element factories and other features
*/
static gboolean
plugin_init (GstPlugin * plugin)
{
/* initialize gst controller library */
gst_controller_init(NULL, NULL);
return gst_element_register (plugin, "plugin", GST_RANK_NONE,
GST_TYPE_PLUGIN_TEMPLATE);
}
/* gstreamer looks for this structure to register plugins
*
* FIXME:exchange the string 'Template plugin' with you plugin description
*/
GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
plugin,
"Template plugin",
plugin_init,
VERSION,
"LGPL",
"GStreamer",
"http://gstreamer.net/"
)
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