X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=lcr.git;a=blobdiff_plain;f=port.h;h=5ecbbbb46e3b5e5b10d04ec0238405b525382d64;hp=0d6a5f980e134b779999ea2905297b7c6fb634a7;hb=a698197188e22f42a5483bcb775f66522863d871;hpb=863bc6421940efe897dfd6d610e1f86ed9992cf6

diff --git a/port.h b/port.h
index 0d6a5f9..5ecbbbb 100644
--- a/port.h
+++ b/port.h
@@ -18,16 +18,16 @@
 #define PORT_CLASS_DSS1		0x1100
 #define PORT_CLASS_DSS1_NT	0x1110
 #define PORT_CLASS_DSS1_TE	0x1120
-#define PORT_CLASS_GSM		0x1200
-#define PORT_CLASS_GSM_BS	0x1210
-#define PORT_CLASS_GSM_MS	0x1220
 #define PORT_CLASS_SS5		0x1300
-#define PORT_CLASS_REMOTE	0x1400
-#define PORT_CLASS_SIP		0x1500
+#define PORT_CLASS_SIP		0x2000
+#define PORT_CLASS_GSM		0x3000
+#define PORT_CLASS_GSM_BS	0x3100
+#define PORT_CLASS_GSM_MS	0x3200
+#define PORT_CLASS_REMOTE	0x4000
 #define PORT_CLASS_MASK		0xf000
 #define PORT_CLASS_mISDN_MASK	0xff00
 #define PORT_CLASS_DSS1_MASK	0xfff0
-#define PORT_CLASS_GSM_MASK	0xfff0
+#define PORT_CLASS_GSM_MASK	0xff00
 #define PORT_CLASS_DIR_MASK	0x000f
 #define PORT_CLASS_DIR_IN	0x0001
 #define PORT_CLASS_DIR_OUT	0x0002
@@ -38,22 +38,22 @@
 #define	PORT_TYPE_DSS1_TE_IN	0x1121
 #define	PORT_TYPE_DSS1_TE_OUT	0x1122
 	/* gsm */
-#define	PORT_TYPE_GSM_BS_IN	0x1211
-#define	PORT_TYPE_GSM_BS_OUT	0x1212
-#define	PORT_TYPE_GSM_MS_IN	0x1221
-#define	PORT_TYPE_GSM_MS_OUT	0x1222
+#define	PORT_TYPE_GSM_BS_IN	0x3101
+#define	PORT_TYPE_GSM_BS_OUT	0x3102
+#define	PORT_TYPE_GSM_MS_IN	0x3201
+#define	PORT_TYPE_GSM_MS_OUT	0x3202
 	/* ss5 */
 #define	PORT_TYPE_SS5_IN	0x1311
 #define	PORT_TYPE_SS5_OUT	0x1312
 #define	PORT_TYPE_SS5_IDLE	0x1313
 	/* remote */
-#define	PORT_TYPE_REMOTE_IN	0x1411
-#define	PORT_TYPE_REMOTE_OUT	0x1412
+#define	PORT_TYPE_REMOTE_IN	0x4001
+#define	PORT_TYPE_REMOTE_OUT	0x4002
 	/* SIP */
-#define	PORT_TYPE_SIP_IN	0x1511
-#define	PORT_TYPE_SIP_OUT	0x1512
+#define	PORT_TYPE_SIP_IN	0x2001
+#define	PORT_TYPE_SIP_OUT	0x2002
 	/* answering machine */
-#define	PORT_TYPE_VBOX_OUT	0x3111
+#define	PORT_TYPE_VBOX_OUT	0xf111
 
 
 enum { /* states of call */
@@ -111,6 +111,8 @@ enum { /* event list from listening to tty */
 #define RECORD_BUFFER_LENGTH	1024 // must be a binary border & must be greater 256, because 256 will be written if buffer overflows
 #define RECORD_BUFFER_MASK	1023
 
+#define PORT_TRANSMIT		256 // how much to transmit via bridge, if it is not defined by received data length
+
 /* structure of epoint_list */
 struct epoint_list {
 	struct epoint_list	*next;
@@ -147,6 +149,29 @@ struct port_settings {
 	int no_seconds;
 };
 
+#define BRIDGE_BUFFER 4096
+
+struct port_bridge_member {
+	struct port_bridge_member *next;
+	class Port *port;
+	unsigned char buffer[BRIDGE_BUFFER];
+	int write_p;				/* points to write position in buffer */
+	int min_space;				/* minimum space to calculate how much delay can be removed */
+};
+
+/* port bridge instance */
+struct port_bridge {
+	struct port_bridge *next;		/* next bridge node */
+	unsigned int bridge_id;			/* unique ID to identify bridge */
+	struct port_bridge_member *first;	/* list of ports that are bridged */
+	signed long sum_buffer[BRIDGE_BUFFER];
+	int read_p;				/* points to read position in buffer */
+	struct lcr_timer timer;			/* clock to transmit sum data */
+	int sample_count;			/* counter of samples since last delay check */
+};
+
+extern struct port_bridge *p_bridge_first;
+
 /* generic port class */
 class Port
 {
@@ -189,6 +214,12 @@ class Port
 	/* endpoint relation */
 	struct epoint_list *p_epointlist;	/* endpoint relation */
 
+	/* audio bridging */
+	struct port_bridge *p_bridge;		/* linked to a port bridge or NULL */
+	void bridge(unsigned int bridge_id);	/* join a bridge */
+	int bridge_tx(unsigned char *data, int len); /* used to transmit data to remote port */
+	virtual int bridge_rx(unsigned char *data, int len); /* function to be inherited, so data is received */
+
 	/* state */
 	int p_state;				/* state of port */
 	void new_state(int state);		/* set new state */