1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gst-gmyth/multiqueue/gstmultiqueue.h	Thu Aug 23 22:30:57 2007 +0100
     1.3 @@ -0,0 +1,86 @@
     1.4 +/* GStreamer
     1.5 + * Copyright (C) 2006 Edward Hervey <edward@fluendo.com>
     1.6 + *
     1.7 + * gstmultiqueue.h:
     1.8 + *
     1.9 + * This library is free software; you can redistribute it and/or
    1.10 + * modify it under the terms of the GNU Library General Public
    1.11 + * License as published by the Free Software Foundation; either
    1.12 + * version 2 of the License, or (at your option) any later version.
    1.13 + *
    1.14 + * This library is distributed in the hope that it will be useful,
    1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    1.17 + * Library General Public License for more details.
    1.18 + *
    1.19 + * You should have received a copy of the GNU Library General Public
    1.20 + * License along with this library; if not, write to the
    1.21 + * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    1.22 + * Boston, MA 02111-1307, USA.
    1.23 + */
    1.24 +
    1.25 +
    1.26 +#ifndef __GST_MULTI_QUEUE_H__
    1.27 +#define __GST_MULTI_QUEUE_H__
    1.28 +
    1.29 +#include <gst/gst.h>
    1.30 +#include "gstdataqueue.h"
    1.31 +
    1.32 +G_BEGIN_DECLS
    1.33 +
    1.34 +#define GST_TYPE_MULTI_QUEUE \
    1.35 +  (gst_multi_queue_get_type())
    1.36 +#define GST_MULTI_QUEUE(obj) \
    1.37 +  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MULTI_QUEUE,GstMultiQueue))
    1.38 +#define GST_MULTI_QUEUE_CLASS(klass) \
    1.39 +  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MULTI_QUEUE,GstMultiQueueClass))
    1.40 +#define GST_IS_MULTI_QUEUE(obj) \
    1.41 +  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MULTI_QUEUE))
    1.42 +#define GST_IS_MULTI_QUEUE_CLASS(obj) \
    1.43 +  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MULTI_QUEUE))
    1.44 +
    1.45 +typedef struct _GstMultiQueue GstMultiQueue;
    1.46 +typedef struct _GstMultiQueueClass GstMultiQueueClass;
    1.47 +
    1.48 +/**
    1.49 + * GstMultiQueue:
    1.50 + *
    1.51 + * Opaque #GstMultiQueue structure.
    1.52 + */
    1.53 +struct _GstMultiQueue {
    1.54 +  GstElement element;
    1.55 +
    1.56 +  /* number of queues */
    1.57 +  guint	nbqueues;
    1.58 +
    1.59 +  /* The list of individual queues */
    1.60 +  GList *queues;
    1.61 +
    1.62 +  GstDataQueueSize  max_size, extra_size;
    1.63 +
    1.64 +  guint32  counter;	/* incoming object counter */
    1.65 +  guint32  highid;	/* contains highest id of last outputted object */
    1.66 +
    1.67 +  GMutex * qlock;	/* Global queue lock (vs object lock or individual */
    1.68 +			/* queues lock). Protects nbqueues, queues, global */
    1.69 +			/* GstMultiQueueSize, counter and highid */
    1.70 +
    1.71 +  gint nextnotlinked;	/* ID of the next queue not linked (-1 : none) */
    1.72 +
    1.73 +  gint numwaiting;	/* number of not-linked pads waiting */
    1.74 +};
    1.75 +
    1.76 +struct _GstMultiQueueClass {
    1.77 +  GstElementClass parent_class;
    1.78 +
    1.79 +  /* signals emitted when ALL queues are either full or empty */
    1.80 +  void (*underrun)	(GstMultiQueue *queue);
    1.81 +  void (*overrun)	(GstMultiQueue *queue);
    1.82 +};
    1.83 +
    1.84 +GType gst_multi_queue_get_type (void);
    1.85 +
    1.86 +G_END_DECLS
    1.87 +
    1.88 +
    1.89 +#endif /* __GST_MULTI_QUEUE_H__ */