[mythtv-users] MP4/H264 file and problems with 10-second rewind

[Roger Heflin]

On Wed, Dec 28, 2011 at 6:33 AM, Kris B. <krisbee at krisbee.com> wrote:
> On Tue, Dec 27, 2011, at 10:25 PM, Joey Morris wrote:
>> Joey Morris <rjmorris at nc.rr.com> wrote on Fri, Dec 23, 2011 at 06:02:52PM
>> -0500:
>> > I bought the Louis CK standup special that he's selling from his
>> > website and dropped it into MythVideo (0.24.1+fixes). It mostly plays
>> > fine. However, the elapsed time counter moves at about half of real
>> > time. For example, if I start the video and let it play for 10
>> > minutes, the elapsed time shows just 5 minutes. Also, if I use the
>> > left arrow key to skip back 10 seconds, it actually skips back several
>> > minutes.
>
>>
>> Finally, I decided to skip the demuxing step and instead opened the
>> original mp4 in mkvmerge's GUI. I left all the settings at their
>> defaults, including FPS, which was blank. So far, I haven't seen any
>> problems when playing the resulting mkv in MythVideo. The elapsed time
>> counter advances at the correct rate, and skipping around in the file
>> works fine.
>
> Just for reference, I run .23.1 and I bought the same special, however I
> downloaded the SD file.  Played in mythvideo with no issues.

Try this:

mythcommflag --rebuild -f ${filename}

It has to be rerun if a file is transcoded into something else
otherwise the seeks don't work right, usually if the new file is much
smaller 10 seconds of data in the original files is a longer time in
the new file...