validate:launcher: Force clock sync for some protocols

In HLS for example, not having clock sync might lead to races and failures
do not test that for now

validate/launcher/apps/gstvalidate.py

@@ -177,7 +177,8 @@ class GstValidatePlaybinTestsGenerator(GstValidatePipelineTestsGenerator):
                     continue
 
                 if self.test_manager.options.mute:
-                    if scenario.needs_clock_sync():
+                    if scenario.needs_clock_sync() or \
+                            minfo.media_descriptor.need_clock_sync():
                         fakesink = "'fakesink sync=true'"
                     else:
                         fakesink = "'fakesink'"

validate/launcher/baseclasses.py

@@ -1202,6 +1202,9 @@ class GstValidateMediaDescriptor(MediaDescriptor):
     def get_path(self):
         return self._xml_path
 
+    def need_clock_sync(self):
+        return Protocols.needs_clock_sync(self.get_protocol())
+
     def get_media_filepath(self):
         if self.get_protocol() == Protocols.FILE:
             return self._xml_path.replace("." + self.MEDIA_INFO_EXT, "")

validate/launcher/main.py

@@ -125,7 +125,8 @@ http://wiki.pitivi.org/wiki/Bug_reporting#Debug_logs).
                      ),
        DEFAULT_MAIN_DIR,
        "\n  * ".join([getattr(Protocols, att) for att in
-                     dir(Protocols) if not att.startswith("_")]))
+                      dir(Protocols) if isinstance(getattr(Protocols, att), str)
+                      and not att.startswith("_")]))
 
 QA_ASSETS = "gst-qa-assets"
 MEDIAS_FOLDER = "medias"

validate/launcher/utils.py

@@ -44,13 +44,19 @@ class Result(object):
     PASSED = "Passed"
     KNOWN_ERROR = "Known error"
 
-
 class Protocols(object):
     HTTP = "http"
     FILE = "file"
     HLS = "hls"
     DASH = "dash"
 
+    @staticmethod
+    def needs_clock_sync(protocol):
+        if protocol == Protocols.HLS:
+            return True
+
+        return False
+
 
 class Colors(object):
     HEADER = '\033[95m'