X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=lcr.git;a=blobdiff_plain;f=port.h;h=5ecbbbb46e3b5e5b10d04ec0238405b525382d64;hp=4833ad78faa5f0bac525491ec26509e3eb2837dc;hb=72dada9cd5b80ac8be224f1a0e187f559f51a7e2;hpb=f6aea744f84e702b3469393f007b9e1bf25f6737 diff --git a/port.h b/port.h index 4833ad7..5ecbbbb 100644 --- a/port.h +++ b/port.h @@ -149,12 +149,25 @@ 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 */ - class Port *sunrise; /* one side of the bridge */ - class Port *sunset; /* other side of the 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; @@ -204,7 +217,6 @@ class Port /* audio bridging */ struct port_bridge *p_bridge; /* linked to a port bridge or NULL */ void bridge(unsigned int bridge_id); /* join a bridge */ - class Port *bridge_remote(void); /* get remote port */ 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 */