X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=lcr.git;a=blobdiff_plain;f=port.h;h=066ace701379b002c6d3a87475e68f45b18039cf;hp=0d6a5f980e134b779999ea2905297b7c6fb634a7;hb=877a2dfd52782f72ba2d28483212166f2326b1fa;hpb=863bc6421940efe897dfd6d610e1f86ed9992cf6

diff --git a/port.h b/port.h
index 0d6a5f9..066ace7 100644
--- a/port.h
+++ b/port.h
@@ -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 +149,16 @@ struct port_settings {
 	int no_seconds;
 };
 
+/* port bridge instance */
+struct port_bridge {
+	struct port_bridge *next;		/* next bridge node */
+	unsigned int bridge_id;			/* unique ID to identify bridge */
+	class Port *sunrise;			/* one side of the bridge */
+	class Port *sunset;			/* other side of the bridge */
+};
+
+extern struct port_bridge *p_bridge_first;
+
 /* generic port class */
 class Port
 {
@@ -189,6 +201,12 @@ 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 */