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92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstthread.h: Header for GstThread object
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_THREAD_H__
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#define __GST_THREAD_H__
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#include <glib.h>
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#include <gst/gstbin.h>
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G_BEGIN_DECLS
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extern GstElementDetails gst_thread_details;
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typedef enum {
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GST_THREAD_STATE_STARTED = GST_BIN_FLAG_LAST,
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GST_THREAD_STATE_SPINNING,
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GST_THREAD_STATE_REAPING,
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/* padding */
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GST_THREAD_FLAG_LAST = GST_BIN_FLAG_LAST + 4
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} GstThreadState;
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#define GST_TYPE_THREAD \
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(gst_thread_get_type())
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#define GST_THREAD(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_THREAD,GstThread))
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#define GST_THREAD_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_THREAD,GstThreadClass))
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#define GST_IS_THREAD(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_THREAD))
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#define GST_IS_THREAD_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_THREAD))
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typedef struct _GstThread GstThread;
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typedef struct _GstThreadClass GstThreadClass;
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struct _GstThread {
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GstBin bin;
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GThread *thread_id; /* id of the thread, if any */
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int sched_policy;
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int priority;
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gpointer *stack; /* set with gst_scheduler_get_preferred_stack */
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guint stack_size; /* stack size */
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gint pid; /* the pid of the thread */
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gint ppid; /* the pid of the thread's parent process */
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GMutex *lock; /* thread lock/condititon pair ... */
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GCond *cond; /* .... used to control the thread */
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gint transition; /* the current state transition */
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};
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struct _GstThreadClass {
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GstBinClass parent_class;
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/* signals */
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void (*shutdown) (GstThread *thread);
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};
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GType gst_thread_get_type (void);
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GstElement* gst_thread_new (const gchar *name);
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G_END_DECLS
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#endif /* __GST_THREAD_H__ */
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