In newer versions of DVBViewer (including the latest v4.2.1), what essentially happens is that if the DVBViewer window is not run in full-screen mode, the video becomes quite "jumpy" - every 5 seconds or so the video will freeze for about 1 second, before resuming. It's very distracting and almost looks like it's dropping frames - although the audio is fine. If I play it in full screen mode, the video is smooth and works fine - the symptoms only occur when DVBViewer is in "windowed" mode. I am using EVR rendering mode (running on Vista Business edition) with the Cyberlink codecs for H.264, as I have a graphics card capable of hardware decoding.
Version 3.9.4 works perfectly, but is quite old. I tried the beta of 4.0 earlier this year, and it had some problems with the video being quite "jumpy". I assumed this was just a bug in the beta, so waited till the final version of 4.0 came out, and installed that. The same problem occurred, so I reverted to 3.9.4. I have tried installing the latest version (4.2.1) and the problem still exists - so yet again I have reverted back to 3.9.4.
Does anyone have any suggestions as to what the problem might be, and how to fix it?
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