[FFmpeg-devel] init_vlc_spare failing in huffyuv decoder, how to fix?
Sun Jul 5 01:59:27 CEST 2009
On Sat, 4 Jul 2009, Reimar D?ffinger wrote:
> when decoding the smclockhuffyuv.avi.1.205 file from issue 1240 there is
> a crash because (once more) the VLC tables 3,4 and 5 are NULL.
> The reason is that init_vlc_sparse in generate_joint_tables fails.
> Since that function "returns" void, does that mean that the bug is
> elsewhere and it should never fail or are there just a lot of checks for
> all those init_vlc* functions missing?
init_vlc_sparse can fail, but generate_joint_tables shouldn't give it
inputs that would fail, regardless of the stream contents. What actually
happened is that memory corruption changed the huffman tables after they
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