[Ffmpeg-devel] Re: [PATCH] faad decoding error return

Måns Rullgård mru
Sun Mar 5 03:22:53 CET 2006

Baptiste COUDURIER <baptiste.coudurier at smartjog.com> writes:

> M?ns Rullg?rd wrote:
>> Baptiste COUDURIER <baptiste.coudurier at smartjog.com> writes:
>> [...]
>> Oh yes, that one.  I already have it in my local collection.  The
>> annoying thing with that clip is that it used to work.  With your
>> patch, sound returns, but the video runs at half the speed with
>> ffplay.
>> I'm suspecting a problem with the mov demuxer.  The messages from the
>> H.264 decoder look a bit strange:
>> [h264 @ 0xb03c2a28]AVC: Consumed only 14 bytes instead of 543428800
>> [h264 @ 0xb03c2a28]Unknown NAL code: 16
>> [h264 @ 0xb03c2a28]AVC: nal size 0
> Oh yes, I observed that, my guess is that something weird is happening
> with pts. I got that problem of video speed/audio desync with many
> mov/mp4 samples since the time_rate rescaling patch from Michael.

That's not the problem here.  The audio is incorrectly detected as
24000 Hz sample rate.  Forcing it to 48000 makes it sound much more

M?ns Rullg?rd
mru at inprovide.com

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