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100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
/* GStreamer DTMF source
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*
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* gstdtmfsrc.h:
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*
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* Copyright (C) <2007> Collabora.
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* Contact: Youness Alaoui <youness.alaoui@collabora.co.uk>
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* Copyright (C) <2007> Nokia Corporation.
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* Contact: Zeeshan Ali <zeeshan.ali@nokia.com>
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* Copyright (C) <2005> Wim Taymans <wim@fluendo.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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_DTMF_SRC_H__
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#define __GST_DTMF_SRC_H__
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#include <gst/gst.h>
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#include <gst/gstbuffer.h>
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#include <gst/base/gstbasesrc.h>
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G_BEGIN_DECLS
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#define GST_TYPE_DTMF_SRC (gst_dtmf_src_get_type())
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#define GST_DTMF_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DTMF_SRC,GstDTMFSrc))
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#define GST_DTMF_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DTMF_SRC,GstDTMFSrcClass))
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#define GST_DTMF_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DTMF_SRC, GstDTMFSrcClass))
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#define GST_IS_DTMF_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DTMF_SRC))
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#define GST_IS_DTMF_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DTMF_SRC))
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#define GST_DTMF_SRC_CAST(obj) ((GstDTMFSrc *)(obj))
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typedef struct _GstDTMFSrc GstDTMFSrc;
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typedef struct _GstDTMFSrcClass GstDTMFSrcClass;
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enum _GstDTMFEventType
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{
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DTMF_EVENT_TYPE_START,
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DTMF_EVENT_TYPE_STOP,
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DTMF_EVENT_TYPE_PAUSE_TASK
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};
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typedef enum _GstDTMFEventType GstDTMFEventType;
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struct _GstDTMFSrcEvent
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{
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GstDTMFEventType event_type;
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double sample;
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guint16 event_number;
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guint16 volume;
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guint32 packet_count;
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};
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typedef struct _GstDTMFSrcEvent GstDTMFSrcEvent;
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/**
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* GstDTMFSrc:
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* @element: the parent element.
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*
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* The opaque #GstDTMFSrc data structure.
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*/
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struct _GstDTMFSrc
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{
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/*< private >*/
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GstBaseSrc parent;
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GAsyncQueue *event_queue;
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GstDTMFSrcEvent *last_event;
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guint16 interval;
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GstClockTime timestamp;
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gboolean paused;
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GstClockID clockid;
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GstClockTime last_stop;
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gint sample_rate;
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};
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struct _GstDTMFSrcClass
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{
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GstBaseSrcClass parent_class;
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};
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GType gst_dtmf_src_get_type (void);
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gboolean gst_dtmf_src_plugin_init (GstPlugin * plugin);
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G_END_DECLS
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#endif /* __GST_DTMF_SRC_H__ */
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