prefer:

* osxaudiosrc on osx
* directsoundsrc on win32

Also log the latency tuning values before trying to apply them (should default to 0)

git-svn-id: https://xpra.org/svn/Xpra/trunk@12394 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/sound/gstreamer_util.py

@@ -538,11 +538,11 @@ def get_source_plugins():
             sources.append("pulsesrc")
     except ImportError as e:
         log("get_source_plugins() no pulsesrc: %s", e)
-    sources.append("autoaudiosrc")
     if OSX:
         sources.append("osxaudiosrc")
     elif WIN32:
         sources.append("directsoundsrc")
+    sources.append("autoaudiosrc")
     if os.name=="posix":
         sources += ["alsasrc", "jackaudiosrc",
                     "osssrc", "oss4src",

src/xpra/sound/src.py

@@ -144,6 +144,7 @@ def __init__(self, src_type=None, src_options={}, codecs=get_codecs(), codec_opt
                 if BUFFER_TIME<LATENCY_TIME:
                     log.warn("Warning: latency (%ims) must be lower than the buffer time (%ims)", LATENCY_TIME, BUFFER_TIME)
                 else:
+                    log("latency tuning for %s, will try to set buffer-time=%i, latency-time=%i", src_type, BUFFER_TIME, LATENCY_TIME)
                     def settime(attr, v):
                         try:
                             cval = self.src.get_property(attr)