On Tue, 30 Nov 2004, John Gay wrote:
> I realise this is more of an MPlayer question than mjpeg-tools, but 1) I find
> this list more helpful
:)
> and 2) I think MPlayer can only do half the job anyway.
> I've got a few Surround-sound asf files that I'd love to hear it all their ...
> output to my surround-sound stereo system, whch plays 'most' DVD compatible
> formats, but doesn't recognise these asf files.
That probably means the DVD player wasn't made by Micro$oft <grin>
It's amazing what some folks expect to put on a DVD isn't it? :)
> So I was thinking, if I could convert them to a format it did recognise, say
> AC3 or so, then I could listen to them properly.
The only freely available AC3 encoder I know of is 'ffmpeg' and the
last time I tried creating an AC3 file with that the file was
completely rejected (invalid/bad rematrixing info) by DVD Studio Pro3.
Probably left out an option somewhere but it was easier to the the
AC3 encoder that came with DVDSP3 than puzzle thru ffmpeg ;)
> >From what I've read of the MPlayer man page, I can read these asf files, but
> >I
> can't see a switch to convert them to AC3 or other surroud-sound format,
> which is where I think the mjpeg-tools can come in?
Not really - the only "audio" encoder in mjpegtools is 'mp2enc' which
is a MPEG-1/Layer-II encoder. MPEG-2 audio does exist and does support
multi-channel audio but I do not know of any freely available MPEG-2
audio encoders _and_ I am fairly certain that the MPEG-2 audio
is not permitted on DVDs.
> Does anyone know how I can convert these files into a format that my DVD will
> play?
Perhaps 'ffmpeg' can do the job. Perhaps there are M$ tools that
can be used to convert/dump to .wav files
I think what you'll need to do is find a way to convert to PCM in a
.wav file and from there encode to the desired format.
Cheers,
Steven Schultz
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