Changeset 1972 for pjproject/trunk/pjmedia/src/pjmedia/splitcomb.c

Timestamp:

May 30, 2008 11:30:24 AM (16 years ago)

Author:

nanang

Message:

Updated delaybuf to learn burst level in realtime instead of only in the beginning, this can optimize the latency and increase adaptivity

File:

• pjproject/trunk/pjmedia/src/pjmedia/splitcomb.c (modified) (4 diffs)

pjproject/trunk/pjmedia/src/pjmedia/splitcomb.c

@@ -308 +308 @@
     struct splitcomb *sc = (struct splitcomb*) splitcomb;
     struct reverse_port *rport;
-    unsigned buf_cnt;
+    unsigned buf_cnt, ptime;
     pjmedia_port *port;
     pj_status_t status;
@@ -347 +347 @@
         buf_cnt = MAX_BUF_CNT;
 
+    ptime = port->info.samples_per_frame * 1000 / port->info.clock_rate /
+            port->info.channel_count;
+
     rport->max_burst = MAX_BURST;
     rport->max_null_frames = MAX_NULL_FRAMES;
@@ -354 +357 @@
                                       port->info.clock_rate,
                                       port->info.samples_per_frame,
-                                      buf_cnt, -1, 0,
+                                      port->info.channel_count,
+                                      buf_cnt * ptime, 0,
                                       &rport->buf[DIR_DOWNSTREAM].dbuf);
     if (status != PJ_SUCCESS) {
@@ -364 +368 @@
                                       port->info.clock_rate,
                                       port->info.samples_per_frame,
-                                      buf_cnt, -1, 0,
+                                      port->info.channel_count,
+                                      buf_cnt * ptime, 0,
                                       &rport->buf[DIR_UPSTREAM].dbuf);
     if (status != PJ_SUCCESS) {