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Diffstat (limited to 'libs/ardour/audiosource.cc')
| -rw-r--r-- | libs/ardour/audiosource.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libs/ardour/audiosource.cc b/libs/ardour/audiosource.cc index aea0203394..559a9c616d 100644 --- a/libs/ardour/audiosource.cc +++ b/libs/ardour/audiosource.cc @@ -926,7 +926,9 @@ AudioSource::compute_and_write_peaks (Sample* buf, samplecnt_t first_sample, sam memcpy (buf2.get(), peak_leftovers, peak_leftover_cnt * sizeof (Sample)); /* the new stuff */ - memcpy (buf2.get()+peak_leftover_cnt, buf, cnt * sizeof (Sample)); + if (buf && cnt > 0) { + memcpy (buf2.get()+peak_leftover_cnt, buf, cnt * sizeof (Sample)); + } /* no more leftovers */ peak_leftover_cnt = 0; |