diff options
Diffstat (limited to 'gst/dtmf/gstrtpdtmfsrc.h')
| -rw-r--r-- | gst/dtmf/gstrtpdtmfsrc.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/gst/dtmf/gstrtpdtmfsrc.h b/gst/dtmf/gstrtpdtmfsrc.h new file mode 100644 index 00000000..797526ea --- /dev/null +++ b/gst/dtmf/gstrtpdtmfsrc.h @@ -0,0 +1,101 @@ +/* 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __GST_RTP_DTMF_SRC_H__ +#define __GST_RTP_DTMF_SRC_H__ + +#include <gst/gst.h> +#include <gst/rtp/gstrtpbuffer.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 { + unsigned event:8; /* Current DTMF event */ +#if G_BYTE_ORDER == G_LITTLE_ENDIAN + unsigned volume:6; /* power level of the tone, in dBm0 */ + unsigned r:1; /* Reserved-bit */ + unsigned e:1; /* End-bit */ +#elif G_BYTE_ORDER == G_BIG_ENDIAN + unsigned e:1; /* End-bit */ + unsigned r:1; /* Reserved-bit */ + unsigned volume:6; /* power level of the tone, in dBm0 */ +#else +#error "G_BYTE_ORDER should be big or little endian." +#endif + unsigned duration:16; /* Duration of digit, in timestamp units */ +} GstRTPDTMFPayload; + +typedef struct _GstRTPDTMFSrc GstRTPDTMFSrc; +typedef struct _GstRTPDTMFSrcClass GstRTPDTMFSrcClass; + +/** + * GstRTPDTMFSrc: + * @element: the parent element. + * + * The opaque #GstRTPDTMFSrc data structure. + */ +struct _GstRTPDTMFSrc { + GstElement element; + + GstPad *srcpad; + GstRTPDTMFPayload *payload; + + guint32 ts_base; + guint16 seqnum_base; + + gint16 seqnum_offset; + guint16 seqnum; + gint32 ts_offset; + guint32 rtp_timestamp; + guint32 clock_rate; + guint pt; + guint ssrc; + guint current_ssrc; + gboolean first_packet; + gboolean last_packet; + + GstClockTime timestamp; + GstSegment segment; + + guint16 interval; + guint16 packet_redundancy; +}; + +struct _GstRTPDTMFSrcClass { + GstElementClass parent_class; +}; + +GType gst_rtp_dtmf_src_get_type (void); + +G_END_DECLS + +#endif /* __GST_RTP_DTMF_SRC_H__ */ |