Changeset 1972 for pjproject/trunk/pjmedia/src/pjmedia/sound_port.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/sound_port.c (modified) (2 diffs)

pjproject/trunk/pjmedia/src/pjmedia/sound_port.c

@@ -373 +373 @@
     pjmedia_snd_port *snd_port;
     pj_status_t status;
+    unsigned ptime;
 
     PJ_ASSERT_RETURN(pool && p_port, PJ_EINVAL);
@@ -389 +390 @@
     
 #if PJMEDIA_SOUND_USE_DELAYBUF
+    ptime = samples_per_frame * 1000 / (clock_rate * channel_count);
+
     status = pjmedia_delay_buf_create(pool, "snd_buff", 
-                                      clock_rate, samples_per_frame, 
-                                      PJMEDIA_SOUND_BUFFER_COUNT, -1, 
+                                      clock_rate, samples_per_frame,
+                                      channel_count,
+                                      PJMEDIA_SOUND_BUFFER_COUNT * ptime,
                                       0, &snd_port->delay_buf);
     PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
 #else
     PJ_UNUSED_ARG(status);
+    PJ_UNUSED_ARG(ptime);
 #endif