DVD playback not working
steve at sohara.org
Sun Aug 10 05:39:04 PDT 2008
On Sat, 9 Aug 2008 09:49:01 -0700 (PDT)
Matthew Dillon <dillon at apollo.backplane.com> wrote:
> : Hi,
> : I found that compiling libdvdcss with CCVER=gcc34 makes encrypted
> :DVD reading work.
> Nice sleuthing! Sigh. What is with all of these linux-centric
> programmers these days? Did you track down what in libdvdcss was
> not being compiled properly with gcc-4?
Is it because this sort of thing:
if( psz_cache )
i_ret = dvdcss->pf_read( dvdcss, p_sector, 1 );
Can leave p_sector not aligned suitably for DMA in gcc-4 ? (pf_read
winds up calling read on the DVD device with p_sector as the buffer).
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