1 files changed, 73 insertions, 0 deletions
diff --git a/audio/libsidplay2/files/patch-src-player.cpp b/audio/libsidplay2/files/patch-src-player.cpp
new file mode 100644
index 000000000000..77b0365c449b
--- /dev/null
+++ b/audio/libsidplay2/files/patch-src-player.cpp
@@ -0,0 +1,73 @@
+--- src/player.cpp.orig	Mon May  7 17:09:39 2001
++++ src/player.cpp	Sun Oct  6 20:53:45 2002
+@@ -580,34 +580,49 @@
+ int player::loadFilter (const sid_fc_t *cutoffs, uint_least16_t points)
+ {
+ #ifndef HAVE_HARDSID
+-    fc_point fc[0x800];
+- 
+-    // Make sure there are enough filter points and they are legal
+-    if ((points < 2) || (points > 0x800))
+-        goto player_loadFilter_error;
++    fc_point fc[0x802];
++    const fc_point *f0 = fc;
++    int   pnts = 0;
+ 
++    if (cutoffs == NULL)
++    {   // Select default filter
++        sid.fc_default  (f0, pnts);
++        sid2.fc_default (f0, pnts);
++    }
++    else
+     {
+-        const sid_fc_t *val, *valp, vals = {-1, 0};
+-        // Last check, make sure they are list in numerical order
+-        // for both axis
+-        val = &vals; // (start)
+-        for (int i = 0; i < points; i++)
++        pnts = points;
++        // Make sure there are enough filter points and they are legal
++        if ((pnts < 2) || (pnts > 0x800))
++            goto player_loadFilter_error;
++
+         {
+-            valp = val;
+-            val  = &cutoffs[i];
+-            if ((*valp)[0] >  (*val)[0])
+-                goto player_loadFilter_error;
+-//            if ((*valp)[1] >= (*val)[1])
+-//                goto player_loadFilter_error;
+-            fc[i][0] = (sound_sample) (*val)[0];
+-            fc[i][1] = (sound_sample) (*val)[1];
++            const sid_fc_t  fstart = {-1, 0};
++            const sid_fc_t *fprev  = &fstart, *fin = cutoffs;
++            fc_point *fout = fc;
++            // Last check, make sure they are list in numerical order
++            // for both axis
++            while (pnts-- > 0)
++            {
++                if ((*fprev)[0] >= (*fin)[0])
++                    goto player_loadFilter_error;
++                fout++;
++                (*fout)[0] = (sound_sample) (*fin)[0];
++                (*fout)[1] = (sound_sample) (*fin)[1];
++                fprev      = fin++;
++            }
++            // Updated ReSID interpolate requires we
++            // repeat the end pnts
++            *(fout+1) = *fout;
++            fc[0]     = fc[1];
++            pnts      = points + 2;
+         }
+     }
+ 
+     // function from reSID
+-    points--;
+-    interpolate (fc, fc, fc + points, fc + points, sid.fc_plotter (), 1.0);
+-    interpolate (fc, fc, fc + points, fc + points, sid2.fc_plotter(), 1.0);
++    pnts--;
++    interpolate (f0, f0 + pnts, sid.fc_plotter  (), 1.0);
++    interpolate (f0, f0 + pnts, sid2.fc_plotter (), 1.0);
+ return 0;
+ 
+ player_loadFilter_error: