diff --git a/mpegize.py b/mpegize.py
index 3f72044..a9464e5 100755
--- a/mpegize.py
+++ b/mpegize.py
@@ -263,6 +263,13 @@ def gst_convert(mega_dir, out_file, use_jpeg):
     movie.start_time = tm
     audio.start_time = tm
 
+    def pipeline_264enc():
+        if Gst.Registry.get().find_plugin("x264"):
+            s = "x264enc bitrate=3072 speed-preset=ultrafast"
+        else:
+            s = "openh264enc bitrate=3145728 ! h264parse"
+        return s
+
     def pipeline_video():
         if True:
             s = "appsrc name=source"
@@ -277,7 +284,7 @@ def gst_convert(mega_dir, out_file, use_jpeg):
         elif True:
             s += " ! videoconvert ! autovideosink"
         else:
-            s += " ! videoconvert ! x264enc bitrate=3072 speed-preset=ultrafast ! matroskamux ! filesink location=" + out_file
+            s += " ! videoconvert ! " + pipeline_264enc() + " ! matroskamux ! filesink location=" + out_file
 
         pipeline = Gst.parse_launch(s)
 
@@ -331,7 +338,7 @@ def gst_convert(mega_dir, out_file, use_jpeg):
             s += "videotestsrc"
             s += " ! video/x-raw,width=(int)640,height=(int)480,format=(string)RGB "
 
-        s += " ! videoconvert ! x264enc bitrate=3072 speed-preset=ultrafast ! matroskamux name=mux"
+        s += " ! videoconvert ! " + pipeline_264enc() + " ! matroskamux name=mux"
         if False:
             s += " ! decodebin ! playsink"
         else: