[mythtv-users] nuvexport speeding up

[Jonathan Markevich]

I found something... I duplicated the WMV.pm file in 
/usr/share/nuvexport/export and went down to the command-line 
construction of the ffmpeg string, about line 104.  I changed the vcodec 
to mpeg1video, changed -f asf to -f vcd and made sure I fed in the right 
stats (224 audio bitrate, and I think it's 1150 for the video bitrate?, 
352x240).  With no noise removal I was done a half-hour show in 8 
minutes.  It turned out not to be a textbook VCD file because the audio 
needs to be resampled (I had it at 48000 and it needs 44100) but it is a 
mpeg file, and it was VERY fast to encode!

ffmpeg's documentation tells me that -target vcd is supposed to set all 
of the right things, but when I removed everything else and added that, 
it refused to run.  It might have something to do with the rest of the 
command-line parameters that are applied to it.  I couldn't find them in 
my first investigation, though.  I also tried to add an additional 
module to the menu, but it wouldn't show up either.  I have to dig into 
the basics of the menu system for that, and I'm kinda running out of 
time today.

Hopefully, I've put someone else on the right track, though!  As for me, 
I'm pretty happy with any kind of MPEG file that I can tweak on another 
system.  I haven't looked too closely at the quality just yet, but the 
transcode fps numbers were sweet (70-75fps)