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258f63b8ac
Also fix race condition if two threads are asking for the first thread from the thread pool at once. This would case two internal GThreadPools to be created. https://bugzilla.gnome.org/show_bug.cgi?id=707753
176 lines
6 KiB
C
176 lines
6 KiB
C
/* GStreamer
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* Copyright (C) 2010 Wim Taymans <wim.taymans at gmail.com>
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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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#include <gst/gst.h>
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#ifndef __GST_RTSP_THREAD_POOL_H__
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#define __GST_RTSP_THREAD_POOL_H__
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typedef struct _GstRTSPThread GstRTSPThread;
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typedef struct _GstRTSPThreadPool GstRTSPThreadPool;
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typedef struct _GstRTSPThreadPoolClass GstRTSPThreadPoolClass;
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typedef struct _GstRTSPThreadPoolPrivate GstRTSPThreadPoolPrivate;
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#include "rtsp-client.h"
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G_BEGIN_DECLS
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#define GST_TYPE_RTSP_THREAD_POOL (gst_rtsp_thread_pool_get_type ())
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#define GST_IS_RTSP_THREAD_POOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RTSP_THREAD_POOL))
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#define GST_IS_RTSP_THREAD_POOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_RTSP_THREAD_POOL))
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#define GST_RTSP_THREAD_POOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTSP_THREAD_POOL, GstRTSPThreadPoolClass))
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#define GST_RTSP_THREAD_POOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RTSP_THREAD_POOL, GstRTSPThreadPool))
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#define GST_RTSP_THREAD_POOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_RTSP_THREAD_POOL, GstRTSPThreadPoolClass))
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#define GST_RTSP_THREAD_POOL_CAST(obj) ((GstRTSPThreadPool*)(obj))
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#define GST_RTSP_THREAD_POOL_CLASS_CAST(klass) ((GstRTSPThreadPoolClass*)(klass))
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GType gst_rtsp_thread_get_type (void);
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#define GST_TYPE_RTSP_THREAD (gst_rtsp_thread_get_type ())
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#define GST_IS_RTSP_THREAD(obj) (GST_IS_MINI_OBJECT_TYPE (obj, GST_TYPE_RTSP_THREAD))
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#define GST_RTSP_THREAD_CAST(obj) ((GstRTSPThread*)(obj))
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#define GST_RTSP_THREAD(obj) (GST_RTSP_THREAD_CAST(obj))
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/**
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* GstRTSPThreadType:
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* @GST_RTSP_THREAD_TYPE_CLIENT: a thread to handle the client communication
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* @GST_RTSP_THREAD_TYPE_MEDIA: a thread to handle media
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*
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* Different thread types
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*/
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typedef enum
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{
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GST_RTSP_THREAD_TYPE_CLIENT,
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GST_RTSP_THREAD_TYPE_MEDIA
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} GstRTSPThreadType;
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/**
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* GstRTSPThread:
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* @mini_object: parent #GstMiniObject
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* @type: the thread type
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* @context: a #GMainContext
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* @loop: a #GMainLoop
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*
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* Structure holding info about a mainloop running in a thread
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*/
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struct _GstRTSPThread {
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GstMiniObject mini_object;
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GstRTSPThreadType type;
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GMainContext *context;
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GMainLoop *loop;
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};
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GstRTSPThread * gst_rtsp_thread_new (GstRTSPThreadType type);
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gboolean gst_rtsp_thread_reuse (GstRTSPThread * thread);
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void gst_rtsp_thread_stop (GstRTSPThread * thread);
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/**
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* gst_rtsp_thread_ref:
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* @thread: The thread to refcount
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*
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* Increase the refcount of this thread.
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*
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* Returns: (transfer full): @thread (for convenience when doing assignments)
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*/
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#ifdef _FOOL_GTK_DOC_
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G_INLINE_FUNC GstRTSPThread * gst_rtsp_thread_ref (GstRTSPThread * thread);
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#endif
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static inline GstRTSPThread *
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gst_rtsp_thread_ref (GstRTSPThread * thread)
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{
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return (GstRTSPThread *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (thread));
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}
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/**
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* gst_rtsp_thread_unref:
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* @thread: (transfer full): the thread to refcount
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*
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* Decrease the refcount of an thread, freeing it if the refcount reaches 0.
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*/
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#ifdef _FOOL_GTK_DOC_
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G_INLINE_FUNC void gst_rtsp_thread_unref (GstRTSPPermissions * thread);
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#endif
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static inline void
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gst_rtsp_thread_unref (GstRTSPThread * thread)
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{
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gst_mini_object_unref (GST_MINI_OBJECT_CAST (thread));
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}
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/**
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* GstRTSPThreadPool:
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*
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* The thread pool structure.
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*/
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struct _GstRTSPThreadPool {
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GObject parent;
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/*< private >*/
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GstRTSPThreadPoolPrivate *priv;
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};
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/**
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* GstRTSPThreadPoolClass:
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* @pool: a #GThreadPool used internally
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* @get_thread: this function should make or reuse an existing thread that runs
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* a mainloop.
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* @configure_thread: configure a thread object. this vmethod is called when
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* a new thread has been created and should be configured.
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* @thread_enter: called from the thread when it is entered
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* @thread_leave: called from the thread when it is left
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*
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* Class for managing threads.
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*/
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struct _GstRTSPThreadPoolClass {
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GObjectClass parent_class;
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GThreadPool *pool;
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GstRTSPThread * (*get_thread) (GstRTSPThreadPool *pool,
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GstRTSPThreadType type,
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GstRTSPContext *ctx);
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void (*configure_thread) (GstRTSPThreadPool *pool,
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GstRTSPThread * thread,
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GstRTSPContext *ctx);
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void (*thread_enter) (GstRTSPThreadPool *pool,
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GstRTSPThread *thread);
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void (*thread_leave) (GstRTSPThreadPool *pool,
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GstRTSPThread *thread);
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};
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GType gst_rtsp_thread_pool_get_type (void);
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GstRTSPThreadPool * gst_rtsp_thread_pool_new (void);
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void gst_rtsp_thread_pool_set_max_threads (GstRTSPThreadPool * pool, gint max_threads);
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gint gst_rtsp_thread_pool_get_max_threads (GstRTSPThreadPool * pool);
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GstRTSPThread * gst_rtsp_thread_pool_get_thread (GstRTSPThreadPool *pool,
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GstRTSPThreadType type,
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GstRTSPContext *ctx);
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void gst_rtsp_thread_pool_cleanup (void);
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G_END_DECLS
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#endif /* __GST_RTSP_THREAD_POOL_H__ */
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