* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
- * gstschedulerr.h: Header for default schedulerr code
+ * 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
#include <gst/gstelement.h>
#include <gst/gstbin.h>
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
+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))
-#define GST_TYPE_SCHEDULER \
- (gst_scheduler_get_type())
-#define GST_SCHEDULER(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SCHEDULER,GstScheduler))
-#define GST_SCHEDULER_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SCHEDULER,GstSchedulerClass))
-#define GST_IS_SCHEDULER(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SCHEDULER))
-#define GST_IS_SCHEDULER_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SCHEDULER))
+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)
GST_SCHEDULER_STATE_NONE,
GST_SCHEDULER_STATE_RUNNING,
GST_SCHEDULER_STATE_STOPPED,
- GST_SCHEDULER_STATE_ERROR,
+ GST_SCHEDULER_STATE_ERROR
} GstSchedulerState;
struct _GstScheduler {
- GstObject object;
+ GstObject object;
+
+ GstElement *parent;
+ GstScheduler *parent_sched;
+
+ GstSchedulerState state;
+ GstClock *clock;
+ GstClock *current_clock;
- GstElement *parent;
+ GList *clock_providers;
+ GList *clock_receivers;
- GstSchedulerState state;
+ GList *schedulers;
+
+ gpointer _gst_reserved[GST_PADDING];
};
struct _GstSchedulerClass {
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);
- void (*interrupt) (GstScheduler *sched, GstElement *element);
+ gboolean (*yield) (GstScheduler *sched, GstElement *element);
+ gboolean (*interrupt) (GstScheduler *sched, GstElement *element);
void (*error) (GstScheduler *sched, GstElement *element);
- void (*pad_connect) (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
- void (*pad_disconnect) (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
+ 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 go here */
+ /* signals */
+ void (*object_sync) (GstScheduler *sched, GstClock *clock, GstObject *object,
+ GstClockID id);
+
+ gpointer _gst_reserved[GST_PADDING];
};
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);
-void gst_scheduler_interrupt (GstScheduler *sched, GstElement *element);
+gboolean 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_connect (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
-void gst_scheduler_pad_disconnect (GstScheduler *sched, GstPad *srcpad, GstPad *sinkpad);
+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_SCHEDULERFACTORY \
- (gst_schedulerfactory_get_type ())
-#define GST_SCHEDULERFACTORY(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_SCHEDULERFACTORY, GstSchedulerFactory))
-#define GST_SCHEDULERFACTORY_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_SCHEDULERFACTORY, GstSchedulerFactoryClass))
-#define GST_IS_SCHEDULERFACTORY(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_SCHEDULERFACTORY))
-#define GST_IS_SCHEDULERFACTORY_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_SCHEDULERFACTORY))
+#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))
+
+/* change this to change the default scheduler */
+#define GST_SCHEDULER_DEFAULT_NAME "opt"
typedef struct _GstSchedulerFactory GstSchedulerFactory;
typedef struct _GstSchedulerFactoryClass GstSchedulerFactoryClass;
gchar *longdesc; /* long description of the scheduler (well, don't overdo it..) */
GType type; /* unique GType of the scheduler */
+
+ gpointer _gst_reserved[GST_PADDING];
};
struct _GstSchedulerFactoryClass {
GstPluginFeatureClass parent;
+
+ gpointer _gst_reserved[GST_PADDING];
};
-GType gst_schedulerfactory_get_type (void);
+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_schedulerfactory_new (const gchar *name, const gchar *longdesc, GType type);
-void gst_schedulerfactory_destroy (GstSchedulerFactory *factory);
+GstSchedulerFactory* gst_scheduler_factory_find (const gchar *name);
-GstSchedulerFactory* gst_schedulerfactory_find (const gchar *name);
-GList* gst_schedulerfactory_get_list (void);
+GstScheduler* gst_scheduler_factory_create (GstSchedulerFactory *factory, GstElement *parent);
+GstScheduler* gst_scheduler_factory_make (const gchar *name, GstElement *parent);
-GstScheduler* gst_schedulerfactory_create (GstSchedulerFactory *factory, GstElement *parent);
-GstScheduler* gst_schedulerfactory_make (const gchar *name, GstElement *parent);
+void gst_scheduler_factory_set_default_name (const gchar* name);
+G_CONST_RETURN gchar* gst_scheduler_factory_get_default_name (void);
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+G_END_DECLS
#endif /* __GST_SCHEDULER_H__ */
projects / platform / upstream / gstreamer.git / blobdiff