fix region fade/env XML save - fixes #5353

[ardour.git] / libs / ardour / diskstream.cc

diff --git a/libs/ardour/diskstream.cc b/libs/ardour/diskstream.cc
index f938c09ef3d44b402865fb0be0cfd7feee2bb973..a359f228e8d68c7818d46141578cfb696e2bd8a9 100644 (file)
--- a/libs/ardour/diskstream.cc
+++ b/libs/ardour/diskstream.cc
@@ -224,8 +224,8 @@ Diskstream::realtime_set_speed (double sp, bool global)
 
        if (new_speed != _actual_speed) {
 
-               framecnt_t required_wrap_size = (framecnt_t) floor (_session.get_block_size() *
-                                                                  fabs (new_speed)) + 1;
+               framecnt_t required_wrap_size = (framecnt_t) ceil (_session.get_block_size() *
+                                                                  fabs (new_speed)) + 2;
 
                if (required_wrap_size > wrap_buffer_size) {
                        _buffer_reallocation_required = true;