mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 00:36:51 +00:00
031d317274
Original commit message from CVS: * gst/gstthread.c: (gst_thread_init), (gst_thread_change_state), (gst_thread_main_loop): Lock the iteration and the state change so that automatic negotiation and fixation does not happen at the same time as the in stream negotiation.
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/* 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;
|
|
|
|
typedef enum {
|
|
GST_THREAD_STATE_SPINNING = GST_BIN_FLAG_LAST,
|
|
GST_THREAD_STATE_REAPING,
|
|
GST_THREAD_STATE_WAITING,
|
|
|
|
/* 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 */
|
|
|
|
GMutex *iterate_lock; /* lock iteration in state change */
|
|
|
|
gpointer _gst_reserved[GST_PADDING-1];
|
|
};
|
|
|
|
struct _GstThreadClass {
|
|
GstBinClass parent_class;
|
|
|
|
/* signals */
|
|
void (*shutdown) (GstThread *thread);
|
|
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
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__ */
|