/* GStreamer RTP DTMF source * * gstrtpdtmfsrc.h: * * 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_RTP_DTMF_SRC_H__ #define __GST_RTP_DTMF_SRC_H__ #include <gst/gst.h> #include <gst/base/gstbasesrc.h> #include <gst/rtp/gstrtpbuffer.h> #include "gstdtmfcommon.h" G_BEGIN_DECLS #define GST_TYPE_RTP_DTMF_SRC (gst_rtp_dtmf_src_get_type()) #define GST_RTP_DTMF_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_DTMF_SRC,GstRTPDTMFSrc)) #define GST_RTP_DTMF_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_DTMF_SRC,GstRTPDTMFSrcClass)) #define GST_RTP_DTMF_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTP_DTMF_SRC, GstRTPDTMFSrcClass)) #define GST_IS_RTP_DTMF_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_DTMF_SRC)) #define GST_IS_RTP_DTMF_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_DTMF_SRC)) #define GST_RTP_DTMF_SRC_CAST(obj) ((GstRTPDTMFSrc *)(obj)) typedef struct _GstRTPDTMFSrc GstRTPDTMFSrc; typedef struct _GstRTPDTMFSrcClass GstRTPDTMFSrcClass; enum _GstRTPDTMFEventType { RTP_DTMF_EVENT_TYPE_START, RTP_DTMF_EVENT_TYPE_STOP, RTP_DTMF_EVENT_TYPE_PAUSE_TASK }; typedef enum _GstRTPDTMFEventType GstRTPDTMFEventType; struct _GstRTPDTMFSrcEvent { GstRTPDTMFEventType event_type; GstRTPDTMFPayload *payload; }; typedef struct _GstRTPDTMFSrcEvent GstRTPDTMFSrcEvent; /** * GstRTPDTMFSrc: * @element: the parent element. * * The opaque #GstRTPDTMFSrc data structure. */ struct _GstRTPDTMFSrc { /*< private >*/ GstBaseSrc basesrc; GAsyncQueue *event_queue; GstClockID clockid; gboolean paused; GstRTPDTMFPayload *payload; GstClockTime timestamp; GstClockTime start_timestamp; gboolean first_packet; gboolean last_packet; guint32 ts_base; guint16 seqnum_base; gint16 seqnum_offset; guint16 seqnum; gint32 ts_offset; guint32 rtp_timestamp; guint pt; guint ssrc; guint current_ssrc; guint16 ptime; guint16 packet_redundancy; guint32 clock_rate; gboolean last_event_was_start; GstClockTime last_stop; gboolean dirty; guint16 redundancy_count; }; struct _GstRTPDTMFSrcClass { GstBaseSrcClass parent_class; }; GType gst_rtp_dtmf_src_get_type (void); gboolean gst_rtp_dtmf_src_plugin_init (GstPlugin * plugin); G_END_DECLS #endif /* __GST_RTP_DTMF_SRC_H__ */