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-rw-r--r--libs/ardour/interpolation.cc6
1 files changed, 4 insertions, 2 deletions
diff --git a/libs/ardour/interpolation.cc b/libs/ardour/interpolation.cc
index 79b43bc58e..be4967b521 100644
--- a/libs/ardour/interpolation.cc
+++ b/libs/ardour/interpolation.cc
@@ -81,8 +81,10 @@ CubicInterpolation::interpolate (int channel, framecnt_t nframes, Sample *input,
if (nframes < 3) {
/* no interpolation possible */
- for (i = 0; i < nframes; ++i) {
- output[i] = input[i];
+ if (input && output) {
+ for (i = 0; i < nframes; ++i) {
+ output[i] = input[i];
+ }
}
return nframes;