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101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
/* GStreamer
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* Copyright (C) <2009> Wim Taymans <wim.taymans@gmail.com>
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*
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* gsttaskpool.h: Pool for creating streaming threads
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_TASK_POOL_H__
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#define __GST_TASK_POOL_H__
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#include <gst/gstobject.h>
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G_BEGIN_DECLS
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/* --- standard type macros --- */
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#define GST_TYPE_TASK_POOL (gst_task_pool_get_type ())
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#define GST_TASK_POOL(pool) (G_TYPE_CHECK_INSTANCE_CAST ((pool), GST_TYPE_TASK_POOL, GstTaskPool))
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#define GST_IS_TASK_POOL(pool) (G_TYPE_CHECK_INSTANCE_TYPE ((pool), GST_TYPE_TASK_POOL))
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#define GST_TASK_POOL_CLASS(pclass) (G_TYPE_CHECK_CLASS_CAST ((pclass), GST_TYPE_TASK_POOL, GstTaskPoolClass))
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#define GST_IS_TASK_POOL_CLASS(pclass) (G_TYPE_CHECK_CLASS_TYPE ((pclass), GST_TYPE_TASK_POOL))
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#define GST_TASK_POOL_GET_CLASS(pool) (G_TYPE_INSTANCE_GET_CLASS ((pool), GST_TYPE_TASK_POOL, GstTaskPoolClass))
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#define GST_TASK_POOL_CAST(pool) ((GstTaskPool*)(pool))
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typedef struct _GstTaskPool GstTaskPool;
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typedef struct _GstTaskPoolClass GstTaskPoolClass;
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/**
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* GstTaskPoolFunction:
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* @user_data: user data for the task function
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*
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* Task function, see gst_task_pool_push().
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*/
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typedef void (*GstTaskPoolFunction) (void *user_data);
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/**
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* GstTaskPool:
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*
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* The #GstTaskPool object.
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*/
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struct _GstTaskPool {
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GstObject object;
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/*< private >*/
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GThreadPool *pool;
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gpointer _gst_reserved[GST_PADDING];
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};
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/**
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* GstTaskPoolClass:
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* @parent_class: the parent class structure
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* @prepare: prepare the threadpool
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* @cleanup: make sure all threads are stopped
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* @push: start a new thread
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* @join: join a thread
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*
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* The #GstTaskPoolClass object.
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*/
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struct _GstTaskPoolClass {
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GstObjectClass parent_class;
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/*< public >*/
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void (*prepare) (GstTaskPool *pool, GError **error);
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void (*cleanup) (GstTaskPool *pool);
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gpointer (*push) (GstTaskPool *pool, GstTaskPoolFunction func,
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gpointer user_data, GError **error);
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void (*join) (GstTaskPool *pool, gpointer id);
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GType gst_task_pool_get_type (void);
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GstTaskPool * gst_task_pool_new (void);
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void gst_task_pool_prepare (GstTaskPool *pool, GError **error);
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gpointer gst_task_pool_push (GstTaskPool *pool, GstTaskPoolFunction func,
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gpointer user_data, GError **error);
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void gst_task_pool_join (GstTaskPool *pool, gpointer id);
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void gst_task_pool_cleanup (GstTaskPool *pool);
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G_END_DECLS
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#endif /* __GST_TASK_POOL_H__ */
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