gstreamer/gst/gstpipeline.c
Wim Taymans 9401162a8a Some cleanups.
Original commit message from CVS:
Some cleanups.
Removed some bogus code from element and pipeline elements.
Fixed a typo.
2001-05-25 21:39:54 +00:00

128 lines
3.2 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstpipeline.c: Overall pipeline management element
*
* 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.
*/
//#define GST_DEBUG_ENABLED
#include "gst_private.h"
#include "gstpipeline.h"
#include "gstthread.h"
#include "gstutils.h"
#include "gsttype.h"
#include "gstautoplug.h"
#include "gstscheduler.h"
GstElementDetails gst_pipeline_details = {
"Pipeline object",
"Bin",
"Complete pipeline object",
VERSION,
"Erik Walthinsen <omega@cse.ogi.edu>",
"(C) 1999",
};
/* Pipeline signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
enum {
ARG_0,
/* FILL ME */
};
static void gst_pipeline_class_init (GstPipelineClass *klass);
static void gst_pipeline_init (GstPipeline *pipeline);
static GstElementStateReturn gst_pipeline_change_state (GstElement *element);
static GstBinClass *parent_class = NULL;
//static guint gst_pipeline_signals[LAST_SIGNAL] = { 0 };
GtkType
gst_pipeline_get_type (void) {
static GtkType pipeline_type = 0;
if (!pipeline_type) {
static const GtkTypeInfo pipeline_info = {
"GstPipeline",
sizeof(GstPipeline),
sizeof(GstPipelineClass),
(GtkClassInitFunc)gst_pipeline_class_init,
(GtkObjectInitFunc)gst_pipeline_init,
(GtkArgSetFunc)NULL,
(GtkArgGetFunc)NULL,
(GtkClassInitFunc)NULL,
};
pipeline_type = gtk_type_unique (gst_bin_get_type (), &pipeline_info);
}
return pipeline_type;
}
static void
gst_pipeline_class_init (GstPipelineClass *klass)
{
GstElementClass *gstelement_class;
gstelement_class = (GstElementClass*)klass;
parent_class = gtk_type_class(gst_bin_get_type());
gstelement_class->change_state = gst_pipeline_change_state;
}
static void
gst_pipeline_init (GstPipeline *pipeline)
{
// we're a manager by default
GST_FLAG_SET (pipeline, GST_BIN_FLAG_MANAGER);
GST_ELEMENT_SCHED(pipeline) = gst_schedule_new(GST_ELEMENT(pipeline));
GST_DEBUG(GST_CAT_PIPELINE, "pipeline's scheduler is %p\n",GST_ELEMENT_SCHED(pipeline));
}
/**
* gst_pipeline_new:
* @name: name of new pipeline
*
* Create a new pipeline with the given name.
*
* Returns: newly created GstPipeline
*/
GstElement*
gst_pipeline_new (const guchar *name)
{
return gst_elementfactory_make ("pipeline", name);
}
static GstElementStateReturn
gst_pipeline_change_state (GstElement *element)
{
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}