fixed audio preload of tones. this reduces the propability of audio gaps resulting...

	modified:   mISDN.cpp

diff --git a/mISDN.cpp b/mISDN.cpp
index 4bc679b..eeb00ee 100644 (file)
--- a/mISDN.cpp
+++ b/mISDN.cpp
@@ -774,6 +774,7 @@ void bchannel_event(struct mISDNport *mISDNport, int i, int event)
                                /* bchannel is active and used by Port class, so we configure bchannel */
                                _bchannel_configure(mISDNport, i);
                                state = B_STATE_ACTIVE;
+                               b_port->p_m_load = 0;
                        } else
                        {
                                /* bchannel is active, but exported OR not used anymore (or has wrong stack config), so we deactivate */
@@ -1263,7 +1264,8 @@ int PmISDN::handler(void)
                p_m_last_tv_msec = now_tv.tv_usec/1000;
        }
        /* process only if we have a minimum of samples, to make packets not too small */
-       if (elapsed >= ISDN_TRANSMIT)
+       if (elapsed >= ISDN_TRANSMIT
+        && p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE)
        {
                /* set clock of last process! */
                p_m_last_tv_sec = now_tv.tv_sec;
@@ -1319,15 +1321,15 @@ int PmISDN::handler(void)
                        }
 
                        /* send data */
-                       if (p_m_mISDNport->b_state[p_m_b_index] == B_STATE_ACTIVE && ISDN_LOAD-p_m_load-tosend > 0)
+                       if (ISDN_LOAD - p_m_load - tosend > 0)
                        {
                                frm->prim = PH_DATA_REQ;
                                frm->id = 0;
                                ret = sendto(p_m_mISDNport->b_socket[p_m_b_index], buf, MISDN_HEADER_LEN+ISDN_LOAD-p_m_load-tosend, 0, NULL, 0);
                                if (ret <= 0)
                                        PERROR("Failed to send to socket %d (samples = %d)\n", p_m_mISDNport->b_socket[p_m_b_index], ISDN_LOAD-p_m_load-tosend);
+                               p_m_load += ISDN_LOAD - p_m_load - tosend;
                        }
-                       p_m_load += ISDN_LOAD - p_m_load - tosend;
                }
        }