README: with a profile written into the project, we don't need to specify it to render

README.md

@@ -82,11 +82,10 @@ before rendering.
 ## Render Video
 
 If everything looks good, the project can be rendered to a video.  The
-following should produce an mp4 file suitable for upload to YouTube:
+following should produce an MP4 file suitable for upload to YouTube:
 
 ```
-ges-launch-1.0 --load presentation.xges -o presentation.mp4 \
-  --format 'video/quicktime,variant=iso:video/x-h264,profile=high:audio/mpeg,mpegversion=4,base-profile=lc'
+ges-launch-1.0 --load presentation.xges -o presentation.mp4
 ```
 
 Or alternatively, it can be rendered as WebM:

make-xges.py

@@ -122,7 +122,7 @@ class Presentation:
 
         # Add an encoding profile for the benefit of Pitivi
         profile = GstPbutils.EncodingContainerProfile.new(
-            'bbb-render', 'bbb-render encoding profile',
+            'MP4', 'bbb-render encoding profile',
             Gst.Caps.from_string('video/quicktime, variant=(string)iso'))
         profile.add_profile(GstPbutils.EncodingVideoProfile.new(
             Gst.Caps.from_string('video/x-h264,profile=high'), None,