[pitivi] pipeline: No need to flush pipeline when PLAYING

[Thibault Saunier <tsaunier src gnome org>]

commit f9c49690413f67240767fcae58bb9d253090ca88
Author: Thibault Saunier <tsaunier gnome org>
Date:   Mon Dec 1 01:12:00 2014 +0100

    pipeline: No need to flush pipeline when PLAYING
    
    Flushing is just to make sure that a frame is produced with the new
    pipeline configuration, when we are playing we are already sure that
    will happen so no need to force that again

 pitivi/utils/pipeline.py |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/pitivi/utils/pipeline.py b/pitivi/utils/pipeline.py
index 60ca758..6dcd498 100644
--- a/pitivi/utils/pipeline.py
+++ b/pitivi/utils/pipeline.py
@@ -218,7 +218,10 @@ class SimplePipeline(GObject.Object, Loggable):
         self._bus = None
 
     def flushSeek(self):
-        self.pause()
+        if self.getState() == Gst.State.PLAYING:
+            self.debug("Playing, no need to flush here!")
+            return
+
         try:
             self.seekRelative(0)
         except PipelineError as e: