[FFmpeg-user] mmsh streams and immense buffering

Patrick Cornwell patrick at cornwell.org
Thu May 24 08:58:57 CEST 2012

> > ffplay -i "mmsh://"
> Why aren't you using -probesize?
> Without, I also get a delay (actually, I suspect I get a delay, I never
> waited long enough).

Clearly I had been typing something wrong, sorry. I tried it again and yes
it works pretty much straight away.

> > What's mildly odd is that it will play in FFPlay and look fine
> I believe it actually is not correct (= there is A/V desync when you
> play the stream with ffplay), but because of the nature of the streams,
> you don't (easily) see it.

I certainly never see the video frames jump around in the wrong order and
like I say, the problematic streams I believe are those where at the
encoding process there is no data flowing within the audio stream so one
would not know or care if that track was out of sync.

I understand the need to trace the error in the transcoding part - going to
have to figure that one out myself I guess.


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