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/* Gnome-Streamer
* 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.
*/
#include <gst/gstpipeline.h>
#include "config.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 void gst_pipeline_prepare(GstPipeline *pipeline);
static GstBin *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) {
}
/**
* gst_pipeline_new:
* @name: name of new pipeline
*
* Create a new pipeline with the given name.
*
* Returns: newly created GstPipeline
*/
GstPipeline *gst_pipeline_new(guchar *name) {
GstPipeline *pipeline;
pipeline = gtk_type_new(gst_pipeline_get_type());
gst_element_set_name(GST_ELEMENT(pipeline),name);
return pipeline;
}
static void gst_pipeline_prepare(GstPipeline *pipeline) {
g_print("GstPipeline: preparing pipeline \"%s\" for playing\n", gst_element_get_name(GST_ELEMENT(pipeline)));
}
static GstElementStateReturn gst_pipeline_change_state(GstElement *element) {
GstPipeline *pipeline;
g_return_val_if_fail(GST_IS_PIPELINE(element), FALSE);
pipeline = GST_PIPELINE(element);
switch (GST_STATE_PENDING(pipeline)) {
case GST_STATE_READY:
// we need to set up internal state
g_print("preparing pipeline \"%s\" for iterations:\n",
gst_element_get_name(GST_ELEMENT(element)));
gst_pipeline_prepare(pipeline);
break;
default:
break;
}
if (GST_ELEMENT_CLASS(parent_class)->change_state)
return GST_ELEMENT_CLASS(parent_class)->change_state(element);
return GST_STATE_SUCCESS;
}
/**
* gst_pipeline_iterate:
* @pipeline: GstPipeline to iterate
*
* Cause the pipeline's contents to be run through one full 'iteration'.
*/
void gst_pipeline_iterate(GstPipeline *pipeline) {
g_return_if_fail(pipeline != NULL);
g_return_if_fail(GST_IS_PIPELINE(pipeline));
}
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