[vlc-devel] Some codec/demux/display bugs

Jean-Baptiste Kempf jb at videolan.org
Tue Oct 11 00:42:03 CEST 2011


Hello Cyril,

On Mon, Oct 10, 2011 at 05:35:53PM +0200, Cyril Lambin wrote :
> 1) Codec issue : Blackmagic MJPEG
> 
> VLC doesn't decode properly MJPEG videos created using a Decklink Blackmagic
> Studio 2 card. Video fields (odd/even) are always spatially switched. In
> addition the field dominance is not correctly interpreted in PAL (NTSC=lower
> field first, PAL=upper field first).
> http://vdata.nolife-tv.com/vlcbug/blackmagic_ntsc.avi
> http://vdata.nolife-tv.com/vlcbug/blackmagic_pal.avi

Indeed. Fun...

> 2) Demux issue : DV Quicktime generated by Final Cut Pro 7
> 
> This is an old bug that jb tracked when he came to see us months ago.

--demux ffmpeg is the only way to fix.

> 3) Display issue : on-the-fly aspect ratio switch

File a bug report

Best Regards,

-- 
Jean-Baptiste Kempf
http://www.jbkempf.com/ - +33 672 704 734
Sent from my Electronic Device



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