[#3471] Fix delay in Pulseaudio

sflphone-common/src/audio/pulseaudio/audiostream.cpp

@@ -214,7 +214,7 @@ AudioStream::createStream (pa_context* c, std::string *deviceName)
     if (_streamType == PLAYBACK_STREAM) {
 
         attributes->maxlength = (uint32_t) -1;
-        attributes->tlength = pa_usec_to_bytes (200 * PA_USEC_PER_MSEC, &_sample_spec);
+        attributes->tlength = pa_usec_to_bytes (50 * PA_USEC_PER_MSEC, &_sample_spec);
         attributes->prebuf = 0;
         attributes->minreq = (uint32_t) -1;
 	
@@ -231,9 +231,9 @@ AudioStream::createStream (pa_context* c, std::string *deviceName)
     } else if (_streamType == CAPTURE_STREAM) {
 
         attributes->maxlength = (uint32_t) -1;
-	attributes->tlength = pa_usec_to_bytes (200 * PA_USEC_PER_MSEC, &_sample_spec);
+	attributes->tlength = pa_usec_to_bytes (50 * PA_USEC_PER_MSEC, &_sample_spec);
 	attributes->prebuf = 0;
-        attributes->fragsize = pa_usec_to_bytes (200 * PA_USEC_PER_MSEC, &_sample_spec);
+        attributes->fragsize = pa_usec_to_bytes (50 * PA_USEC_PER_MSEC, &_sample_spec);
 
 	pa_threaded_mainloop_lock(_mainloop);
 
@@ -248,7 +248,7 @@ AudioStream::createStream (pa_context* c, std::string *deviceName)
     } else if (_streamType == RINGTONE_STREAM) {
 
       attributes->maxlength = (uint32_t) -1;
-      attributes->tlength = pa_usec_to_bytes(100 * PA_USEC_PER_MSEC, &_sample_spec);
+      attributes->tlength = pa_usec_to_bytes(50 * PA_USEC_PER_MSEC, &_sample_spec);
       attributes->prebuf = 0;
       attributes->minreq = (uint32_t) -1;