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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstthread.h: Header for GstThread object
*
* 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.
*/
#ifndef __GST_THREAD_H__
#define __GST_THREAD_H__
#include <glib.h>
#include <gst/gstbin.h>
G_BEGIN_DECLS
extern GPrivate *gst_thread_current;
extern GstElementDetails gst_thread_details;
typedef enum {
GST_THREAD_STATE_SPINNING = GST_BIN_FLAG_LAST,
GST_THREAD_STATE_REAPING,
/* when iterating with mutex locked (special cases)
may only be set by thread itself */
GST_THREAD_MUTEX_LOCKED,
/* padding */
GST_THREAD_FLAG_LAST = GST_BIN_FLAG_LAST + 4
} GstThreadState;
#define GST_TYPE_THREAD (gst_thread_get_type())
#define GST_THREAD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_THREAD,GstThread))
#define GST_IS_THREAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_THREAD))
#define GST_THREAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_THREAD,GstThreadClass))
#define GST_IS_THREAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_THREAD))
#define GST_THREAD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_THREAD, GstThreadClass))
typedef struct _GstThread GstThread;
typedef struct _GstThreadClass GstThreadClass;
struct _GstThread {
GstBin bin;
GThread *thread_id; /* id of the thread, if any */
GThreadPriority priority;
GMutex *lock; /* thread lock/condititon pairs */
GCond *cond; /* used to control the thread */
gpointer dummy[8];
};
struct _GstThreadClass {
GstBinClass parent_class;
/* signals */
void (*shutdown) (GstThread *thread);
gpointer dummy[8];
};
GType gst_thread_get_type (void);
GstElement* gst_thread_new (const gchar *name);
void gst_thread_set_priority (GstThread *thread, GThreadPriority priority);
GstThread * gst_thread_get_current (void);
G_END_DECLS
#endif /* __GST_THREAD_H__ */
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