diff options
author | Robin Gareus <robin@gareus.org> | 2013-08-29 17:36:52 +0200 |
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committer | Robin Gareus <robin@gareus.org> | 2013-08-29 17:36:52 +0200 |
commit | 2172700144a1b9d13c87bceb5be60f7632f640c4 (patch) | |
tree | 7a04e19505639d31a000778cdeba2b10e2d5212c /libs/ardour/vumeterdsp.cc | |
parent | 03c26762e6c602b0d815d074384b71abf773ee37 (diff) |
protect meters against weird float values
Diffstat (limited to 'libs/ardour/vumeterdsp.cc')
-rw-r--r-- | libs/ardour/vumeterdsp.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libs/ardour/vumeterdsp.cc b/libs/ardour/vumeterdsp.cc index 67d48f6c54..a3d0ec23c1 100644 --- a/libs/ardour/vumeterdsp.cc +++ b/libs/ardour/vumeterdsp.cc @@ -43,8 +43,8 @@ void Vumeterdsp::process (float *p, int n) { float z1, z2, m, t1, t2; - z1 = _z1; - z2 = _z2; + z1 = _z1 > 20 ? 20 : (_z1 < -20 ? -20 : _z1); + z2 = _z2 > 20 ? 20 : (_z2 < -20 ? -20 : _z2); m = _res ? 0: _m; _res = false; @@ -64,6 +64,8 @@ void Vumeterdsp::process (float *p, int n) if (z2 > m) m = z2; } + if (isnan(z1)) z1 = 0; + if (isnan(z2)) z2 = 0; _z1 = z1; _z2 = z2 + 1e-10f; _m = m; |