A little bug in mpeg4videoparse (plugins bad 0.10.23)

Tim-Philipp Müller t.i.m at zen.co.uk
Mon Mar 19 10:09:28 PDT 2012

On Mon, 2012-03-19 at 17:28 +0100, Matteo Pampolini wrote:

Hi Matteo,

> testing the new GStreamer release I found what it seems a little bug
> in mpeg4videoparse code.
> In particular in source file
> gst-libs/gst/codecparsers/gstmpeg4parser.c at line 1017 a marker bit
> is expected, while ISO standard does not specify a marker bit at that
> stream position. This prevents the parser to go on and of course to
> get the rest of the information needed (width, height, etc.).
> Just commenting that line fixes the problem, though a little after the
> parser complains on quantization matrix: at a first glance everything
> seems OK, but I'm not an expert on MPEG4 syntax, so I think a check is
> needed, that's why I preferred to write in the mailing list instead of
> directly committing the fix.

could you file a bug in bugzilla please, so we don't forget about it?



More information about the gstreamer-devel mailing list