[MPlayer-dev-eng] [PATCH] Changing audio speed

Michael Niedermayer michaelni at gmx.at
Fri Jul 22 22:11:33 CEST 2005


Hi

On Friday 22 July 2005 21:59, The Wanderer wrote:
> Michael Niedermayer wrote:
> > Hi
> >
> > On Friday 22 July 2005 12:44, The Wanderer wrote:
> >> Oded Shimon wrote:
> >>> So, umm, you get a HUGE audio-video desync in just a few seconds?
> >>> And all the audio is of low bass because of pitch distortion?..
> >>>
> >>> I've never seen such a video. Am I understanding you correctly?
> >>
> >> I have a few files which exhibit the type of symptoms described
> >> (slow, low-pitched MP3 audio), although the audio in question is
> >> 32000 Hz. The problem currently manifests itself only with
> >> afm=ffmpeg; if I use mp3lib or libmad for audio decoding, the audio
> >> is played back properly.
> >>
> >> If memory serves, when I reported this at the time it was dismissed
> >> as a known problem with FFmpeg's MP3 decoder, and never followed up
> >> on.
> >
> > i dont remember that but i could have easily missed a post ...
> > anyway, if anyone has such a file, upload, unless of course theres
> > already such a file on mphq
>
> Well, a reasonably quick scan of incoming/ does not find anything which
> looks obviously like the files I have (there are two of them, and in one
> the symptoms are actually much worse than described), and I really don't
> have any idea of what to search on to find the discussion in the list
> archives without getting fnords of false positives - so although that's
> not noecessarily conclusive, if you want me to upload either of the
> files, or fragments thereof (dd'ed 5MB each and confirmed to exhibit the
> problems), just say so and I'll do it.

upload please

-- 
Michael




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