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/* GStreamer DTMF source
*
* gstdtmfsrc.h:
*
* Copyright (C) <2007> Collabora.
* Contact: Youness Alaoui <youness.alaoui@collabora.co.uk>
* Copyright (C) <2007> Nokia Corporation.
* Contact: Zeeshan Ali <zeeshan.ali@nokia.com>
* Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_DTMF_SRC_H__
#define __GST_DTMF_SRC_H__
#include <gst/gst.h>
#include <gst/gstbuffer.h>
#include <gst/base/gstbasesrc.h>
G_BEGIN_DECLS
#define GST_TYPE_DTMF_SRC (gst_dtmf_src_get_type())
#define GST_DTMF_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DTMF_SRC,GstDTMFSrc))
#define GST_DTMF_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DTMF_SRC,GstDTMFSrcClass))
#define GST_DTMF_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DTMF_SRC, GstDTMFSrcClass))
#define GST_IS_DTMF_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DTMF_SRC))
#define GST_IS_DTMF_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DTMF_SRC))
#define GST_DTMF_SRC_CAST(obj) ((GstDTMFSrc *)(obj))
typedef struct _GstDTMFSrc GstDTMFSrc;
typedef struct _GstDTMFSrcClass GstDTMFSrcClass;
enum _GstDTMFEventType
{
DTMF_EVENT_TYPE_START,
DTMF_EVENT_TYPE_STOP,
DTMF_EVENT_TYPE_PAUSE_TASK
};
typedef enum _GstDTMFEventType GstDTMFEventType;
struct _GstDTMFSrcEvent
{
GstDTMFEventType event_type;
double sample;
guint16 event_number;
guint16 volume;
guint32 packet_count;
};
typedef struct _GstDTMFSrcEvent GstDTMFSrcEvent;
/**
* GstDTMFSrc:
* @element: the parent element.
*
* The opaque #GstDTMFSrc data structure.
*/
struct _GstDTMFSrc
{
/*< private >*/
GstBaseSrc parent;
GAsyncQueue *event_queue;
GstDTMFSrcEvent *last_event;
gboolean last_event_was_start;
guint16 interval;
GstClockTime timestamp;
gboolean paused;
GstClockID clockid;
GstClockTime last_stop;
gint sample_rate;
};
struct _GstDTMFSrcClass
{
GstBaseSrcClass parent_class;
};
GType gst_dtmf_src_get_type (void);
gboolean gst_dtmf_src_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_DTMF_SRC_H__ */
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