If you still have the raw DV material, you might try do convert directly
to interlaced MPEG2. In my tests iMovie did not care about interlacing
and the MOV's it produced were horrible.
This is what I used to transcode several .dif files, as produced by
iMovie into MPEG2:
#!/bin/sh
for f in clip_*.dif; do
out=${out//%.dif/}
transcode -i $f -x dv --dv_yuy2_mode --encode_fields b \
-y mpeg2enc,lame -F 8,"-D 10 -q 1 -2 1 -4 1" --export_asr 2 \
-w 7500 -b 128 \
-o ${out}
done
You should consult the manpage for transcode and mpeg2enc for details.
-F 8 chooses the DVD profile for mpeg2enc. "-D 10 -q 1 -2 1 -4 1"
are some high quality options I have been experimenting with.
--encode_fields b is for bottom first interlaced material, as it comes
from most PAL videocams.
transcode creates different files for the audio and video streams, but
I multiplexed them with mplex.
There are several things to care about when care about when preparing a
DVD because the hardware decoders are not so flexible as the software
ones. man mplex gives, I think, some good advice on good MPEG2 streams
for DVD authoring.
Hope it helps,
Ionut
On Tue, May 31, 2005 at 09:44:16PM -0400, Scott Ehrlich wrote:
> I captured home video from a Sony camcorder to my G3 running 10.3 via
> iMovie. I then used iMovie to convert the captured files to MOV -
> averaging 12 - 13 gig per file.
>
> I now want to perform the final step of burning the MOV files to DVD.
>
> I tried doing this with Roxio Toast 6 Lite but its encoder was so horrible
> the resulting video on DVD was horrendous. I tried one burn to test
> timing and quality. I have since learned I probably need to convert the
> MOV files to MPEG2, and then to DVD format? My G3 is too underpowered
> and my budget cannot affort the expense of testing various utilities for
> 10.3 to see whether or not they might work.
>
> What is the best way under Debian to:
>
> - Prepare the MOV files for DVD?
>
> - Burn the resulting files to DVD?
>
>
> I have a Pentium II with 384 Meg RAM and a Pentium III with 384 Meg RAM.
> Ample disk space on both.
>
> Thanks.
>
> Scott
>
>
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--
***************
* Ionuţ Georgescu
* Max-Planck-Institut für Physik komplexer Systeme
* Noethnitzer Str. 38, D-01187 Dresden
* Phone: +49 (351) 871-2209
* Fax: +49 (351) 871-1999
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