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

[Måns Rullgård]

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
sensible.

-- 
M?ns Rullg?rd
mru at inprovide.com