diff options
| author | Carl Hetherington <carl@carlh.net> | 2011-09-14 15:55:27 +0000 |
|---|---|---|
| committer | Carl Hetherington <carl@carlh.net> | 2011-09-14 15:55:27 +0000 |
| commit | 8f5dd22c511737e4da61a727498d7229ddb588c1 (patch) | |
| tree | d2eb9c0bc86d0af48fc15a5884c8e1ef6bd7de75 /libs/ardour/audio_diskstream.cc | |
| parent | f4f57062651bef38f077d922faf8f7e3402e0ed7 (diff) | |
Fix default disk_io_chunk_frames for diskstream so that it
isn't larger than the default playback buffer size when
starting Ardour without a previous ~/.config; having
disk_io_chunk_frames larger violates basic design
assumptions and causes phantom underruns in playback
(#4308).
git-svn-id: svn://localhost/ardour2/branches/3.0@10079 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/ardour/audio_diskstream.cc')
| -rw-r--r-- | libs/ardour/audio_diskstream.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libs/ardour/audio_diskstream.cc b/libs/ardour/audio_diskstream.cc index 1132b2a050..878fa94b5e 100644 --- a/libs/ardour/audio_diskstream.cc +++ b/libs/ardour/audio_diskstream.cc @@ -1021,6 +1021,10 @@ AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer) at higher speeds, just do it because the sync between butler and audio thread may not be good enough. + + Note: it is a design assumption that disk_io_chunk_frames is smaller + than the playback buffer size, so this check should never trip when + the playback buffer is empty. */ if ((total_space < disk_io_chunk_frames) && fabs (_actual_speed) < 2.0f) { |