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/* GStreamer
* Copyright (C) <2009> Wim Taymans <wim.taymans@gmail.com>
*
* gsttaskpool.h: Pool for creating streaming threads
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_TASK_POOL_H__
#define __GST_TASK_POOL_H__
#include <gst/gstobject.h>
G_BEGIN_DECLS
/* --- standard type macros --- */
#define GST_TYPE_TASK_POOL (gst_task_pool_get_type ())
#define GST_TASK_POOL(pool) (G_TYPE_CHECK_INSTANCE_CAST ((pool), GST_TYPE_TASK_POOL, GstTaskPool))
#define GST_IS_TASK_POOL(pool) (G_TYPE_CHECK_INSTANCE_TYPE ((pool), GST_TYPE_TASK_POOL))
#define GST_TASK_POOL_CLASS(pclass) (G_TYPE_CHECK_CLASS_CAST ((pclass), GST_TYPE_TASK_POOL, GstTaskPoolClass))
#define GST_IS_TASK_POOL_CLASS(pclass) (G_TYPE_CHECK_CLASS_TYPE ((pclass), GST_TYPE_TASK_POOL))
#define GST_TASK_POOL_GET_CLASS(pool) (G_TYPE_INSTANCE_GET_CLASS ((pool), GST_TYPE_TASK_POOL, GstTaskPoolClass))
#define GST_TASK_POOL_CAST(pool) ((GstTaskPool*)(pool))
typedef struct _GstTaskPool GstTaskPool;
typedef struct _GstTaskPoolClass GstTaskPoolClass;
/**
* GstTaskPoolFunction:
* @user_data: user data for the task function
*
* Task function, see gst_task_pool_push().
*/
typedef void (*GstTaskPoolFunction) (void *user_data);
/**
* GstTaskPool:
*
* The #GstTaskPool object.
*/
struct _GstTaskPool {
GstObject object;
/*< private >*/
GThreadPool *pool;
gpointer _gst_reserved[GST_PADDING];
};
/**
* GstTaskPoolClass:
* @parent_class: the parent class structure
* @prepare: prepare the threadpool
* @cleanup: make sure all threads are stopped
* @push: start a new thread
* @join: join a thread
*
* The #GstTaskPoolClass object.
*/
struct _GstTaskPoolClass {
GstObjectClass parent_class;
/*< public >*/
void (*prepare) (GstTaskPool *pool, GError **error);
void (*cleanup) (GstTaskPool *pool);
gpointer (*push) (GstTaskPool *pool, GstTaskPoolFunction func,
gpointer user_data, GError **error);
void (*join) (GstTaskPool *pool, gpointer id);
/**
* GstTaskPoolClass::dispose_handle:
* @pool: a #GstTaskPool
* @id: (transfer full): the handle to dispose of
*
* free / unref the handle returned in GstTaskPoolClass::push.
*
* Since: 1.20
*/
void (*dispose_handle) (GstTaskPool *pool, gpointer id);
/*< private >*/
gpointer _gst_reserved[GST_PADDING - 1];
};
GST_API
GType gst_task_pool_get_type (void);
GST_API
GstTaskPool * gst_task_pool_new (void);
GST_API
void gst_task_pool_prepare (GstTaskPool *pool, GError **error);
GST_API
gpointer gst_task_pool_push (GstTaskPool *pool, GstTaskPoolFunction func,
gpointer user_data, GError **error);
GST_API
void gst_task_pool_join (GstTaskPool *pool, gpointer id);
GST_API
void gst_task_pool_dispose_handle (GstTaskPool *pool, gpointer id);
GST_API
void gst_task_pool_cleanup (GstTaskPool *pool);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstTaskPool, gst_object_unref)
typedef struct _GstSharedTaskPool GstSharedTaskPool;
typedef struct _GstSharedTaskPoolClass GstSharedTaskPoolClass;
typedef struct _GstSharedTaskPoolPrivate GstSharedTaskPoolPrivate;
#define GST_TYPE_SHARED_TASK_POOL (gst_shared_task_pool_get_type ())
#define GST_SHARED_TASK_POOL(pool) (G_TYPE_CHECK_INSTANCE_CAST ((pool), GST_TYPE_TASK_POOL, GstSharedTaskPool))
#define GST_IS_SHARED_TASK_POOL(pool) (G_TYPE_CHECK_INSTANCE_TYPE ((pool), GST_TYPE_SHARED_TASK_POOL))
#define GST_SHARED_TASK_POOL_CLASS(pclass) (G_TYPE_CHECK_CLASS_CAST ((pclass), GST_TYPE_SHARED_TASK_POOL, GstSharedTaskPoolClass))
#define GST_IS_SHARED_TASK_POOL_CLASS(pclass) (G_TYPE_CHECK_CLASS_TYPE ((pclass), GST_TYPE_SHARED_TASK_POOL))
#define GST_SHARED_TASK_POOL_GET_CLASS(pool) (G_TYPE_INSTANCE_GET_CLASS ((pool), GST_TYPE_SHARED_TASK_POOL, GstSharedTaskPoolClass))
/**
* GstSharedTaskPool:
*
* The #GstSharedTaskPool object.
*
* since: 1.20
*/
struct _GstSharedTaskPool {
GstTaskPool parent;
/*< private >*/
GstSharedTaskPoolPrivate *priv;
gpointer _gst_reserved[GST_PADDING];
};
/**
* GstSharedTaskPoolClass:
*
* The #GstSharedTaskPoolClass object.
*
* Since: 1.20
*/
struct _GstSharedTaskPoolClass {
GstTaskPoolClass parent_class;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GST_API
GType gst_shared_task_pool_get_type (void);
GST_API
void gst_shared_task_pool_set_max_threads (GstSharedTaskPool *pool, guint max_threads);
GST_API
guint gst_shared_task_pool_get_max_threads (GstSharedTaskPool *pool);
GST_API
GstTaskPool * gst_shared_task_pool_new (void);
G_END_DECLS
#endif /* __GST_TASK_POOL_H__ */
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