[Swfdec] [RFC] ijg libjpeg based jpeg decoder

[Riccardo Magliocchetti]

Hi,

jpeg decoding is a hot topic again, or better, having fun crashing the 
dsjpeg library is :) So the attached patch refresh the ijg libjpeg based 
decoder patch i've already posted there.

The changelog:

- added the same check added to dsjpeg to avoid crashing against cookiemon.jpg

- made swfdec_jpeg_decode_argb a bit prettier than last time removing the 
soi cleanup loops and removing one for eoi too: a simpler check for soi is 
done in swfdec_jpeg_fill_input_buffer() as in gnash.

image-lossless-alpha.swf test is expected to fail, which is the jpeg with 
alpha channel and i don't know how and if it is possible to fix that.

Comments are appreciated.

cheers,
riccardo


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