mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 10:11:08 +00:00
5529bbc7dc
Original commit message from CVS: first pass of connect->link gst-plugins and other stuff compiles without change at this point
184 lines
7.7 KiB
C
184 lines
7.7 KiB
C
/* GStreamer
|
|
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
|
* 2000 Wim Taymans <wtay@chello.be>
|
|
*
|
|
* gstscheduler.h: Header for default scheduler code
|
|
*
|
|
* 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_SCHEDULER_H__
|
|
#define __GST_SCHEDULER_H__
|
|
|
|
#include <glib.h>
|
|
#include <gst/gstelement.h>
|
|
#include <gst/gstbin.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_SCHEDULER (gst_scheduler_get_type ())
|
|
#define GST_SCHEDULER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_SCHEDULER, GstScheduler))
|
|
#define GST_IS_SCHEDULER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_SCHEDULER))
|
|
#define GST_SCHEDULER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_SCHEDULER,GstSchedulerClass))
|
|
#define GST_IS_SCHEDULER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_SCHEDULER))
|
|
#define GST_SCHEDULER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_SCHEDULER, GstSchedulerClass))
|
|
|
|
typedef enum {
|
|
/* this scheduler works with a fixed clock */
|
|
GST_SCHEDULER_FLAG_FIXED_CLOCK = GST_OBJECT_FLAG_LAST,
|
|
|
|
/* padding */
|
|
GST_SCHEDULER_FLAG_LAST = GST_OBJECT_FLAG_LAST + 4
|
|
} GstSchedulerFlags;
|
|
|
|
#define GST_SCHEDULER_PARENT(sched) ((sched)->parent)
|
|
#define GST_SCHEDULER_STATE(sched) ((sched)->state)
|
|
|
|
/*typedef struct _GstScheduler GstScheduler; */
|
|
/*typedef struct _GstSchedulerClass GstSchedulerClass; */
|
|
typedef enum {
|
|
GST_SCHEDULER_STATE_NONE,
|
|
GST_SCHEDULER_STATE_RUNNING,
|
|
GST_SCHEDULER_STATE_STOPPED,
|
|
GST_SCHEDULER_STATE_ERROR
|
|
} GstSchedulerState;
|
|
|
|
struct _GstScheduler {
|
|
GstObject object;
|
|
|
|
GstElement *parent;
|
|
GstScheduler *parent_sched;
|
|
|
|
GstSchedulerState state;
|
|
GstClock *clock;
|
|
GstClock *current_clock;
|
|
|
|
GList *clock_providers;
|
|
GList *clock_receivers;
|
|
|
|
GList *schedulers;
|
|
|
|
gpointer dummy[8];
|
|
};
|
|
|
|
struct _GstSchedulerClass {
|
|
GstObjectClass parent_class;
|
|
|
|
/* virtual methods */
|
|
void (*setup) (GstScheduler *sched);
|
|
void (*reset) (GstScheduler *sched);
|
|
void (*add_element) (GstScheduler *sched, GstElement *element);
|
|
void (*remove_element) (GstScheduler *sched, GstElement *element);
|
|
void (*add_scheduler) (GstScheduler *sched, GstScheduler *sched2);
|
|
void (*remove_scheduler) (GstScheduler *sched, GstScheduler *sched2);
|
|
GstElementStateReturn (*state_transition) (GstScheduler *sched, GstElement *element, gint transition);
|
|
void (*scheduling_change) (GstScheduler *sched, GstElement *element);
|
|
void (*lock_element) (GstScheduler *sched, GstElement *element);
|
|
void (*unlock_element) (GstScheduler *sched, GstElement *element);
|
|
void (*yield) (GstScheduler *sched, GstElement *element);
|
|
gboolean (*interrupt) (GstScheduler *sched, GstElement *element);
|
|
void (*error) (GstScheduler *sched, GstElement *element);
|
|
void (*pad_link) (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
|
|
void (*pad_unlink) (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
|
|
void (*pad_select) (GstScheduler *sched, GList *padlist);
|
|
GstClockReturn (*clock_wait) (GstScheduler *sched, GstElement *element,
|
|
GstClockID id, GstClockTimeDiff *jitter);
|
|
GstSchedulerState (*iterate) (GstScheduler *sched);
|
|
/* for debugging */
|
|
void (*show) (GstScheduler *sched);
|
|
|
|
/* signals */
|
|
void (*object_sync) (GstScheduler *sched, GstClock *clock, GstObject *object,
|
|
GstClockID id);
|
|
|
|
gpointer dummy[8];
|
|
};
|
|
|
|
GType gst_scheduler_get_type (void);
|
|
|
|
#define gst_scheduler_destroy(sched) gst_object_destroy(GST_OBJECT(sched))
|
|
|
|
|
|
void gst_scheduler_setup (GstScheduler *sched);
|
|
void gst_scheduler_reset (GstScheduler *sched);
|
|
void gst_scheduler_add_element (GstScheduler *sched, GstElement *element);
|
|
void gst_scheduler_remove_element (GstScheduler *sched, GstElement *element);
|
|
void gst_scheduler_add_scheduler (GstScheduler *sched, GstScheduler *sched2);
|
|
void gst_scheduler_remove_scheduler (GstScheduler *sched, GstScheduler *sched2);
|
|
GstElementStateReturn gst_scheduler_state_transition (GstScheduler *sched, GstElement *element, gint transition);
|
|
void gst_scheduler_scheduling_change (GstScheduler *sched, GstElement *element);
|
|
void gst_scheduler_lock_element (GstScheduler *sched, GstElement *element);
|
|
void gst_scheduler_unlock_element (GstScheduler *sched, GstElement *element);
|
|
void gst_scheduler_yield (GstScheduler *sched, GstElement *element);
|
|
gboolean gst_scheduler_interrupt (GstScheduler *sched, GstElement *element);
|
|
void gst_scheduler_error (GstScheduler *sched, GstElement *element);
|
|
void gst_scheduler_pad_link (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
|
|
void gst_scheduler_pad_unlink (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
|
|
GstPad* gst_scheduler_pad_select (GstScheduler *sched, GList *padlist);
|
|
GstClockReturn gst_scheduler_clock_wait (GstScheduler *sched, GstElement *element,
|
|
GstClockID id, GstClockTimeDiff *jitter);
|
|
gboolean gst_scheduler_iterate (GstScheduler *sched);
|
|
|
|
void gst_scheduler_use_clock (GstScheduler *sched, GstClock *clock);
|
|
void gst_scheduler_set_clock (GstScheduler *sched, GstClock *clock);
|
|
GstClock* gst_scheduler_get_clock (GstScheduler *sched);
|
|
void gst_scheduler_auto_clock (GstScheduler *sched);
|
|
|
|
void gst_scheduler_show (GstScheduler *sched);
|
|
|
|
/*
|
|
* creating schedulers
|
|
*
|
|
*/
|
|
#define GST_TYPE_SCHEDULER_FACTORY (gst_scheduler_factory_get_type ())
|
|
#define GST_SCHEDULER_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_SCHEDULER_FACTORY, GstSchedulerFactory))
|
|
#define GST_IS_SCHEDULER_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_SCHEDULER_FACTORY))
|
|
#define GST_SCHEDULER_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_SCHEDULER_FACTORY, GstSchedulerFactoryClass))
|
|
#define GST_IS_SCHEDULER_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_SCHEDULER_FACTORY))
|
|
#define GST_SCHEDULER_FACTORY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_SCHEDULER_FACTORY, GstSchedulerFactoryClass))
|
|
|
|
typedef struct _GstSchedulerFactory GstSchedulerFactory;
|
|
typedef struct _GstSchedulerFactoryClass GstSchedulerFactoryClass;
|
|
|
|
struct _GstSchedulerFactory {
|
|
GstPluginFeature feature;
|
|
|
|
gchar *longdesc; /* long description of the scheduler (well, don't overdo it..) */
|
|
GType type; /* unique GType of the scheduler */
|
|
};
|
|
|
|
struct _GstSchedulerFactoryClass {
|
|
GstPluginFeatureClass parent;
|
|
};
|
|
|
|
GType gst_scheduler_factory_get_type (void);
|
|
|
|
GstSchedulerFactory* gst_scheduler_factory_new (const gchar *name, const gchar *longdesc, GType type);
|
|
void gst_scheduler_factory_destroy (GstSchedulerFactory *factory);
|
|
|
|
GstSchedulerFactory* gst_scheduler_factory_find (const gchar *name);
|
|
|
|
GstScheduler* gst_scheduler_factory_create (GstSchedulerFactory *factory, GstElement *parent);
|
|
GstScheduler* gst_scheduler_factory_make (const gchar *name, GstElement *parent);
|
|
|
|
void gst_scheduler_factory_set_default_name (const gchar* name);
|
|
const gchar* gst_scheduler_factory_get_default_name (void);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_SCHEDULER_H__ */
|