diff -r 000000000000 -r a6ac25bf88a7 gst-gmyth/multiqueue/gstmultiqueue.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst-gmyth/multiqueue/gstmultiqueue.h Thu Aug 02 14:58:15 2007 +0100 @@ -0,0 +1,86 @@ +/* GStreamer + * Copyright (C) 2006 Edward Hervey + * + * gstmultiqueue.h: + * + * 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_MULTI_QUEUE_H__ +#define __GST_MULTI_QUEUE_H__ + +#include +#include "gstdataqueue.h" + +G_BEGIN_DECLS + +#define GST_TYPE_MULTI_QUEUE \ + (gst_multi_queue_get_type()) +#define GST_MULTI_QUEUE(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MULTI_QUEUE,GstMultiQueue)) +#define GST_MULTI_QUEUE_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MULTI_QUEUE,GstMultiQueueClass)) +#define GST_IS_MULTI_QUEUE(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MULTI_QUEUE)) +#define GST_IS_MULTI_QUEUE_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MULTI_QUEUE)) + +typedef struct _GstMultiQueue GstMultiQueue; +typedef struct _GstMultiQueueClass GstMultiQueueClass; + +/** + * GstMultiQueue: + * + * Opaque #GstMultiQueue structure. + */ +struct _GstMultiQueue { + GstElement element; + + /* number of queues */ + guint nbqueues; + + /* The list of individual queues */ + GList *queues; + + GstDataQueueSize max_size, extra_size; + + guint32 counter; /* incoming object counter */ + guint32 highid; /* contains highest id of last outputted object */ + + GMutex * qlock; /* Global queue lock (vs object lock or individual */ + /* queues lock). Protects nbqueues, queues, global */ + /* GstMultiQueueSize, counter and highid */ + + gint nextnotlinked; /* ID of the next queue not linked (-1 : none) */ + + gint numwaiting; /* number of not-linked pads waiting */ +}; + +struct _GstMultiQueueClass { + GstElementClass parent_class; + + /* signals emitted when ALL queues are either full or empty */ + void (*underrun) (GstMultiQueue *queue); + void (*overrun) (GstMultiQueue *queue); +}; + +GType gst_multi_queue_get_type (void); + +G_END_DECLS + + +#endif /* __GST_MULTI_QUEUE_H__ */