diff mgw/int_defs.h @ 95:f280328e7e2e

themwi-mgw: initial implementation of PSTN to GSM forwarding
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 25 Sep 2022 19:17:44 -0800
parents
children 648a64b2e16b
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mgw/int_defs.h	Sun Sep 25 19:17:44 2022 -0800
@@ -0,0 +1,19 @@
+/*
+ * This header file holds miscellaneous internal definitions for themwi-mgw.
+ */
+
+#define	RTP_PACKET_SIZE_PSTN	172
+#define	RTP_PACKET_SIZE_GSM_FR	45
+#define	RTP_PACKET_SIZE_GSM_EFR	43
+#define	RTP_MAX_PAYLOAD		160
+
+struct rtp_packet {
+	uint8_t		v_p_x_cc;
+	uint8_t		m_pt;
+	uint16_t	seq;
+	uint32_t	tstamp;
+	uint32_t	ssrc;
+	uint8_t		payload[RTP_MAX_PAYLOAD];
+};
+
+#define	SAMPLES_PER_FRAME	160