The batch file below gives some audio/video output information for Q5/Q10 Pro which may be useful in diagnosing problems.
It is UNOFFICIAL.
It outputs log info from Q5/Q10 Pro which is always present in the background but usually you'd not get to see. It doesn't change anything on Q5/Q10 Pro and therefore is completely safe. I don't know what all of the headings mean(!), but this tool may be of use in diagnosing some specific playback problems.
The FrcInRate and FrcOutRate heading are of particular interest. How they match up may be related to when and how often frame skips occur. HiMedia are doing their own work on fixing the framerate mismatch problems, but input from the community is also appreciated.
Instructions:
1. Decompress this zip file to a Windows PC (Q5Q10PRO-OUTPUTINFO.1): http://www.mediafire.com/download/6a22nvcb5gczmza/Q5Q10PRO-OUTPUTINFO.1.zip
2. Run the /Q5Q10PRO-OUPUTINFO.bat file. It will launch in a Command Prompt window.
3. Enter IP address of Q5/Q10 Pro.
4. Initially you'll only get the lower portion of the screenshot below. The rest will appear when you play video.