[mythtv-users] transcodes take forever with meconder

[Nick Rout]

On Thu, Jan 21, 2010 at 10:48 AM, James Pifer <jep at obrien-pifer.com> wrote:
> On Wed, 2010-01-20 at 16:34 -0500, James Pifer wrote:
>> I have a custom script that I select from the menu in the frontend for
>> converting recorded shows to xvid. I first verify the cut points, then
>> Autodetect transcode to remove commercials, then call my transcode
>> script.
>>
>> A long while back, not sure what version it was, a typical 45 minute
>> show would transcode in about two hours using 2 pass. After I upgraded
>> to FC9 quite some time ago on the same hardware, it takes upwards of 7-8
>> hours. I'm not really ready to do another upgrade on my backend server,
>> but anyone seen this before and know if an update to mplayer/mencoder
>> would help?
>>
>> The mecoder commands in the script look like:
>> mencoder -o /dev/null -oac mp3lame -lameopts abr:br=128 -ovc xvid -xvidencopts bitrate=1500:pass=1 -passlogfile "$VIDEODIR/$NEWFILENAME.avi.log" "$VIDEODIR/$FILENAME"
>> mencoder -o "$VIDEODIR/xvid/$NEWFILENAME.avi" -oac mp3lame -lameopts abr:br=128 -ovc xvid -xvidencopts bitrate=1500:pass=2 -passlogfile "$VIDEODIR/$NEWFILENAME.avi.log" "$VIDEODIR/$FILENAME"
>>
>> The resulting videos are good, but it takes forever.
>>
>> Any suggestions are appreciated.
>
> Meant to include that my mplayer version is:
> mplayer-1.0-63.01_rc2.fc9.i386

I seem to recall some problems a while back with the compile options
some distros were using with ffmpeg. Sorry to be vague, but there was
a fix floating about (which may have involved compiling ffmpeg
yourself).

Something to do with assembler options - too deep for me!