Simon,
Moving this to the users, since it has ceased to be a development
question (for the time being, anyway).
Thanks for the suggestion. I agree that the script seems a bit
overly complicated. I will give the ffmpeg approach a try and see
what I get.
Eric
Simon Hyde wrote:
> On Tue, 17 Feb 2009, Eric Lund wrote:
>
>> Martin,
>>
>> I managed to get the transcoded files to play cleanly with the sync
>> pretty darn close (close enough to fix with a few record button presses)
>> by changing the script to generate the following:
>>
>> mencoder -of mpeg -mpegopts format=mpeg -audio-density 4
>> -ovc copy -srate 48000 -oac mp3lame
>> -lameopts cbr:br=192:preset=192 \
>> -audio-preload 0.0 3021_20090205210000.mpg \
>> -o 3021_20090205210000.mpg.mpg
>
> FWIW this all seems a little over-complicated (as does Roger Heflin's
> transcode script). I find the command line required for ffmpeg to be much
> simpler than for mencoder.
>
> To transcode everything (useful for non-MPEG1/2 encoded files):
>
> ffmpeg -i source.avi -target pal-dvd -acodec libmp3lame output.mpg
> or
> ffmpeg -i source.avi -target pal-svcd output.mpg
> or
> ffmpeg -i source.avi -target pal-vcd output.mpg
>
> Take your pick from the above depending on the quality/bitrate of MPEG2
>
>
> If your file already contains MPEG1/2 video of an appropriate resolution
> then you can just go for:
>
> ffmpeg -i source.mpg -target pal-svcd -vcodec copy output.mpg
>
> Obviously for NTSC-resolution video you'll have to change the pal-dvd,
> pal-svcd or pal-vcd to ntsc-dvd/ntsc-svcd/ntsc-vcd
>
> If you really want widescreen programs that come out of the end of this to
> be letterboxed so that you can leave your TV permanently in zoom mode
> (which I believe Roger Heflin's scripts produce), then just put your MVP
> into 4:3 mode rather than 16:9 mode.
>
> Cheers,
>
> Simon
>
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