1 files changed, 83 insertions, 0 deletions
diff --git a/src/audio/rtp_telephone_event.cpp b/src/audio/rtp_telephone_event.cpp
new file mode 100644
index 0000000..a076531
--- /dev/null
+++ b/src/audio/rtp_telephone_event.cpp
@@ -0,0 +1,83 @@
+/*
+    Copyright (C) 2005-2009  Michel de Boer <michel@twinklephone.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "cassert"
+#include "rtp_telephone_event.h"
+#include <netinet/in.h>
+
+void t_rtp_telephone_event::set_event(unsigned char _event) {
+	event = _event;
+}
+
+void t_rtp_telephone_event::set_volume(unsigned char _volume) {
+	volume = _volume;
+}
+
+void t_rtp_telephone_event::set_reserved(bool _reserved) {
+	reserved = _reserved;
+}
+
+void t_rtp_telephone_event::set_end(bool _end) {
+	end = _end;
+}
+
+void t_rtp_telephone_event::set_duration(unsigned short _duration) {
+	duration = htons(_duration);
+}
+
+unsigned char t_rtp_telephone_event::get_event(void) const {
+	return event;
+}
+
+unsigned char t_rtp_telephone_event::get_volume(void) const {
+	return volume;
+}
+
+bool t_rtp_telephone_event::get_reserved(void) const {
+	return reserved;
+}
+
+bool t_rtp_telephone_event::get_end(void) const {
+	return end;
+}
+
+unsigned short t_rtp_telephone_event::get_duration(void) const {
+	return ntohs(duration);
+}
+
+unsigned char char2dtmf_ev(char sym) {
+	if (sym >= '0' && sym <= '9') return (sym - '0' + TEL_EV_DTMF_0);
+	if (sym >= 'A' && sym <= 'D') return (sym - 'A' + TEL_EV_DTMF_A);
+	if (sym >= 'a' && sym <= 'd') return (sym-  'a' + TEL_EV_DTMF_A);
+	if (sym == '*') return TEL_EV_DTMF_STAR;
+	if (sym == '#') return TEL_EV_DTMF_POUND;
+	assert(false);
+}
+
+char dtmf_ev2char(unsigned char ev) {
+	if (ev <= TEL_EV_DTMF_9) {
+		return ev + '0' - TEL_EV_DTMF_0;
+	}
+	if (ev >= TEL_EV_DTMF_A && ev <= TEL_EV_DTMF_D) {
+	  	return ev + 'A' - TEL_EV_DTMF_A;
+	}
+	if (ev == TEL_EV_DTMF_STAR) return '*';
+	if (ev == TEL_EV_DTMF_POUND) return '#';
+	assert(false);
+}
+