jpegdec: more sanity checks on input
authorMark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
Fri, 30 Apr 2010 10:42:42 +0000 (12:42 +0200)
committerMark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
Fri, 30 Apr 2010 15:49:03 +0000 (17:49 +0200)
commitcec48383b16f25e2959e38843b89919a6c7e8c14
treecaaec04f35269573937b74d3c49eeca2c9069232
parentbe5ffd96fe4289a37a34df289b1f98975acff293
jpegdec: more sanity checks on input

Specifically, verify input components / colour space is as code
subsequently expects, thereby avoiding crashes or otherwise bogus output.
Presently, that means 3 components YCbCr colour space, and somewhat
limited sampling factors.

Fixes #600553.
ext/jpeg/gstjpegdec.c