Update portaudio for macosx.

src/native/portaudio/README

@@ -54,7 +54,7 @@
     - Mac OS X
     CC=gcc -arch i386 -arch ppc -arch x86_64 -mmacosx-version-min=10.3
     LDFLAGS=-dynamiclib
-    LIBS=-L$(PORTAUDIO_HOME)/lib/.libs -framework AudioToolbox -framework AudioUnit -framework CoreAudio -framework Carbon -lpthread -pthread -dynamic -lportaudio -lspeexdsp
+    LIBS=-L$(SPEEX_HOME)/libspeex/.libs -L$(PORTAUDIO_HOME)/lib/.libs -framework AudioToolbox -framework AudioUnit -framework CoreAudio -framework Carbon -lpthread -pthread -dynamic -lportaudio -lspeexdsp
     $ make
 
     - Windows

src/net/java/sip/communicator/impl/neomedia/device/DeviceConfiguration.java

@@ -129,7 +129,7 @@ public class DeviceConfiguration
 
     /**
      * Property used to store the latency option we use for current OS.
-     * Must be like 0.1(means 100 ms.).
+     * Must be in milliseconds.
      */
     private static final String PROP_AUDIO_LATENCY =
         "net.java.sip.communicator.impl.neomedia.latency";

src/net/java/sip/communicator/impl/neomedia/portaudio/streams/MasterPortAudioStream.java

@@ -106,6 +106,10 @@ synchronized void start(InputPortAudioStream slave)
             if(stream == 0)
                 initStream();
 
+            // if still not initted return
+            if(stream == 0)
+                return;
+
             // start
             PortAudio.Pa_StartStream(stream);
             started = true;