[vlc-devel] Re: PTS is out of range

Matthew Romaine Matthew.Romaine at jp.sony.com
Fri May 21 09:58:23 CEST 2004

Scrap that - my demuxer was setting an incorrect i_time.

However, now apparently "audio output is too slow..."; are there 
certain OSX issues I should be aware of?
The debug output dumps a whole page of the errors (as opposed to one 


On 2004/05/21, at 16:29, Matthew Romaine wrote:

> Hello all,
> I'm sure you've seen a lot of these before, but the "PTS is out of 
> range (X), dropping buffer" is killing me.
> My understanding is that this means a buffer came way after it was 
> expected.  This is supposed to be just straight audio (no video 
> syncing), so I was hoping it wouldn't be such a big deal, but it looks 
> like pretty much every single frame of decoded audio is behind time - 
> VLC crashes b/c the message queue gets too long :)
> The I64Fd ranges ( mdate() - p_buffer->start_date ) have been at times 
> 39,000 ~ 48,000, and at other times -8,000 ~ 8,000.  Any suggestions 
> on where I should be looking?  I've looked through all the other 
> codecs to be sure I'm doing DateInit, DateSet, etc. correctly...
> For what it's worth, the Decoder was only called 3 times before 
> crashing; then I put in a *pp_block = NULL after *p_block = *pp_block 
> towards the top of the decoder function and now it gets called many 
> times; however, I am printing out the p_buffer->start_date in 
> audio_output/input.c and it's not incrementing by the amount I am 
> fixing it at (2048); rather, start_date seems to increment at some 
> value between range 2044 and 2056... is there some roundoff going on?
> tia,
> matt

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