gstreamer/gst/gstsrc.c
Wim Taymans ef31aa64e8 Docs updates.
Original commit message from CVS:
Docs updates.
Added LICENSE info to headers/code where missing in gst directory
Added a bonobo wrapper for the media player (it shows up in gshell but
locks up when activating the component, anyone?)
Fixed some XML save/load problems with arguments.
2000-11-11 15:13:50 +00:00

144 lines
3.3 KiB
C

/* 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/gst.h>
/* Src signals and args */
enum {
EOS,
LAST_SIGNAL
};
enum {
ARG_0,
/* FILL ME */
};
static void gst_src_class_init(GstSrcClass *klass);
static void gst_src_init(GstSrc *src);
static GstElementClass *parent_class = NULL;
static guint gst_src_signals[LAST_SIGNAL] = { 0 };
GtkType
gst_src_get_type(void)
{
static GtkType src_type = 0;
if (!src_type) {
static const GtkTypeInfo src_info = {
"GstSrc",
sizeof(GstSrc),
sizeof(GstSrcClass),
(GtkClassInitFunc)gst_src_class_init,
(GtkObjectInitFunc)gst_src_init,
(GtkArgSetFunc)NULL,
(GtkArgGetFunc)NULL,
(GtkClassInitFunc)NULL,
};
src_type = gtk_type_unique (GST_TYPE_ELEMENT, &src_info);
}
return src_type;
}
static void
gst_src_class_init (GstSrcClass *klass)
{
GtkObjectClass *gtkobject_class;
gtkobject_class = (GtkObjectClass*)klass;
parent_class = gtk_type_class (GST_TYPE_ELEMENT);
gst_src_signals[EOS] =
gtk_signal_new ("eos", GTK_RUN_LAST, gtkobject_class->type,
GTK_SIGNAL_OFFSET (GstSrcClass,eos),
gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0);
gtk_object_class_add_signals (gtkobject_class, gst_src_signals, LAST_SIGNAL);
}
static void
gst_src_init (GstSrc *src)
{
src->flags = 0;
}
/**
* gst_src_signal_eos:
* @src: source to trigger the eos signal of
*
* singals the eos signal to indicate that the end of the stream
* is reached.
*/
void
gst_src_signal_eos (GstSrc *src)
{
g_return_if_fail (src != NULL);
g_return_if_fail (GST_IS_SRC (src));
gtk_signal_emit (GTK_OBJECT (src), gst_src_signals[EOS]);
}
/**
* gst_src_push:
* @src: source to trigger the push of
*
* Push a buffer from the source.
*/
void
gst_src_push (GstSrc *src)
{
GstSrcClass *oclass;
g_return_if_fail (src != NULL);
g_return_if_fail (GST_IS_SRC (src));
oclass = (GstSrcClass *)(GTK_OBJECT (src)->klass);
g_return_if_fail (oclass->push != NULL);
(oclass->push)(src);
}
/**
* gst_src_push_region:
* @src: source to trigger the push of
* @offset: offset in source
* @size: number of bytes to push
*
* Push a buffer of a given size from the source.
*/
void
gst_src_push_region (GstSrc *src, gulong offset, gulong size)
{
GstSrcClass *oclass;
g_return_if_fail (src != NULL);
g_return_if_fail (GST_IS_SRC (src));
oclass = (GstSrcClass *)(GTK_OBJECT (src)->klass);
g_return_if_fail (oclass->push_region != NULL);
(oclass->push_region)(src, offset, size);
}