[mythtv] transcoding with cutlist
ou401cru02 at sneakemail.com
Mon Aug 18 19:17:28 EDT 2003
On 18 Aug 2003 14:07:38 -0700, "Chris Petersen lists-at-forevermore.net
|mythtv/1.0-Allow|" <o8f8hesx3k0t at sneakemail.com> said:
> > Question: how do you expect ffmpeg to determine the frame-size of raw
> > data? It seems like that would be very painful.
> no clue, but in the ffmpeg documentation, it says something to the
> extent of "if ffmpeg can't determine the size, you must specify it".
right, this is assuming there was a file header, whiche there isn't.
> > The same is true of the audio sampling rate.
> audio worked fine. It's just wav data, no? That should have the
> sampling rate encoded into it.
Nope. audio is in raw form (in general 16bits per sample little-endian).
Again, no header information. If you encoded at 44.1kHz, most programs
will assume this, so you probably didn't notice. However, I encode at
32kHz, which means everything sounds like chipmunks if I don't set the
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