[vlc-devel] libvlc-1.0.0 dated 2009-jul-07 crashes in swscalar

d3ck0r at gmail.com d3ck0r at gmail.com
Tue Jul 7 08:27:02 CEST 2009

xxcv wrote:

J Decker wrote:
> using libvlc on windows, playing a video, I get a crash in an mmx
> section of libswscale_plugin
Your application is a ?? C/C++ Java? and what does it do specifically a 
GUI or ?
Did you compiled libswscale yourself?
Well .. you still need to provide more debug informations and you 
reported this
now after the


As compiled by openwatcom 1.8.  But I am not linked to libvlc.lib... I defined a structuee with all methods getprocaddress'd from the dll.

Ya figured someone else would have caught these but with so many issues not sure how 1.0 was decided to work.  Bet libvlc still never calls lock for dshow://...

I can include a log of verbose=2 output.  I'm rendering to a soft surface... For vlc's purposes just a flat memory region of widtj and height ofvideo.  Even if I specify exactly the same size swscalar is still called...  The reference is failing is a null pointer...

The code is public at sack.sf.net (click sf icon to go project)... In svn trunk... src/intershell/vlc_hook/vlc_interface.c

tagged 1.0.0 .. hmm but technically the testing stage 
is just over.
> wish I could copy and paste the disassembly to point to it better...
> using the exact same program, and pointing at 0.9.6, the video plays
> correctly.  since 0.9.9 I have complained about this libswscalar
> problem.  I had checked the code directly before, and know that
> setting disables in vlc.cfg for MMX=0 etc do not help.  ( I attempted
> it anyhow, and it did not change the effect).
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