Use -vsync 0 with ffmpeg regression test

diff --git a/tools/test_x264.py b/tools/test_x264.py
index bb98b6558515099b22bb860b1bc7986491df48da..2fee34589050861b6344e2c712739b929d44e5fb 100755 (executable)
--- a/tools/test_x264.py
+++ b/tools/test_x264.py
@@ -261,6 +261,7 @@ def _YUVOutputComparisonFactory():
 
                 ffmpeg_proc = Popen([
                     "ffmpeg",
+                    "-vsync 0",
                     "-i",
                     "%s.264" % self.fixture.dispatcher.video,
                     "ffmpeg-output.yuv"