mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 18:51:11 +00:00
97194517fe
Original commit message from CVS: * gst/base/gstbasesink.c: (gst_basesink_preroll_queue_empty), (gst_basesink_handle_object), (gst_basesink_event), (gst_basesink_do_sync), (gst_basesink_handle_event), (gst_basesink_change_state): * gst/gsttask.h: Right, two problems here: ghostpads don't take locks and glib _rec_mutex_lock_full() with depth==0 still locks. Catch illegal locking and g_warn them.
106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
/* GStreamer
|
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
* <2005> Wim Taymans <wim@fluendo.com>
|
|
*
|
|
* gsttask.h: Streaming tasks
|
|
*
|
|
* 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_TASK_H__
|
|
#define __GST_TASK_H__
|
|
|
|
#include <gst/gstobject.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef void (*GstTaskFunction) (void *data);
|
|
|
|
/* --- standard type macros --- */
|
|
#define GST_TYPE_TASK (gst_task_get_type ())
|
|
#define GST_TASK(task) (G_TYPE_CHECK_INSTANCE_CAST ((task), GST_TYPE_TASK, GstTask))
|
|
#define GST_IS_TASK(task) (G_TYPE_CHECK_INSTANCE_TYPE ((task), GST_TYPE_TASK))
|
|
#define GST_TASK_CLASS(tclass) (G_TYPE_CHECK_CLASS_CAST ((tclass), GST_TYPE_TASK, GstTaskClass))
|
|
#define GST_IS_TASK_CLASS(tclass) (G_TYPE_CHECK_CLASS_TYPE ((tclass), GST_TYPE_TASK))
|
|
#define GST_TASK_GET_CLASS(task) (G_TYPE_INSTANCE_GET_CLASS ((task), GST_TYPE_TASK, GstTaskClass))
|
|
#define GST_TASK_CAST(task) ((GstTask*)(task))
|
|
|
|
typedef struct _GstTask GstTask;
|
|
typedef struct _GstTaskClass GstTaskClass;
|
|
|
|
typedef enum {
|
|
GST_TASK_STARTED,
|
|
GST_TASK_STOPPED,
|
|
GST_TASK_PAUSED,
|
|
} GstTaskState;
|
|
|
|
#define GST_TASK_STATE(task) (GST_TASK_CAST(task)->state)
|
|
|
|
#define GST_TASK_GET_COND(task) (GST_TASK_CAST(task)->cond)
|
|
#define GST_TASK_WAIT(task) g_cond_wait(GST_TASK_GET_COND (task), GST_GET_LOCK (task))
|
|
#define GST_TASK_SIGNAL(task) g_cond_signal(GST_TASK_GET_COND (task))
|
|
#define GST_TASK_BROADCAST(task) g_cond_breadcast(GST_TASK_GET_COND (task))
|
|
|
|
#define GST_TASK_GET_LOCK(task) (GST_TASK_CAST(task)->lock)
|
|
#define GST_TASK_LOCK(task) g_static_rec_mutex_lock(GST_TASK_GET_LOCK(task))
|
|
#define GST_TASK_UNLOCK(task) g_static_rec_mutex_unlock(GST_TASK_GET_LOCK(task))
|
|
#define GST_TASK_UNLOCK_FULL(task) g_static_rec_mutex_unlock_full(GST_TASK_GET_LOCK(task))
|
|
#define GST_TASK_LOCK_FULL(task,t) g_static_rec_mutex_lock_full(GST_TASK_GET_LOCK(task),(t))
|
|
|
|
struct _GstTask {
|
|
GstObject object;
|
|
|
|
|
|
/*< public >*/ /* with LOCK */
|
|
GstTaskState state;
|
|
GCond *cond;
|
|
|
|
GStaticRecMutex *lock;
|
|
|
|
GstTaskFunction func;
|
|
gpointer data;
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
struct _GstTaskClass {
|
|
GstObjectClass parent_class;
|
|
|
|
/*< protected >*/
|
|
gboolean (*start) (GstTask *task);
|
|
gboolean (*stop) (GstTask *task);
|
|
gboolean (*pause) (GstTask *task);
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
GType gst_task_get_type (void);
|
|
|
|
GstTask* gst_task_create (GstTaskFunction func, gpointer data);
|
|
void gst_task_set_lock (GstTask *task, GStaticRecMutex *mutex);
|
|
|
|
GstTaskState gst_task_get_state (GstTask *task);
|
|
|
|
gboolean gst_task_start (GstTask *task);
|
|
gboolean gst_task_stop (GstTask *task);
|
|
gboolean gst_task_pause (GstTask *task);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_TASK_H__ */
|
|
|