[Mp4-tech] JM reference software problem

Alexis Michael Tourapis alexismt charter.net
Mon Sep 24 03:20:42 EDT 2007


Dear Tomislav,
It seems that all your P slices belong to a picture with nal_reference_idc set to 0 (i.e. they are not set as references). Can you double check your encoder?
Alexis
---- Tomislav Muic <tomislav.muic gmail.com> wrote: 
> I am having problem with decoding my stream with JM software
> 
> I get error Unintentional loss of pictures occurs.
> 
> Stream is decoded in video player just fine
> 
> I send SPS and PPS first and then
> 
> AU delimiter
> IDR pic - I slice
> 
> AU delimiter
> P slice
> ....
> AU delimiter
> Pslice
> end of sequence
> 
> For frame_num I reset it to zero and add 1 for every next pic,
> for pic_order_cnt_lsb I send same value as frame_num
> 
> I can't find why reference software can't read stream, and it is
> decoded normally in video player.
> 
> 
> 
> Here is short sample of avi stream and NAL stream
> http://www.best.hr/share/tmuic/test.264
> http://www.best.hr/share/tmuic/ftest.avi
> 
> -- 
> Tomislav Muić
> 
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