diff options
Diffstat (limited to 'libs/ardour/audio_diskstream.cc')
| -rw-r--r-- | libs/ardour/audio_diskstream.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libs/ardour/audio_diskstream.cc b/libs/ardour/audio_diskstream.cc index e36f905d7c..ed7f21cc16 100644 --- a/libs/ardour/audio_diskstream.cc +++ b/libs/ardour/audio_diskstream.cc @@ -1079,8 +1079,14 @@ AudioDiskstream::read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, int AudioDiskstream::_do_refill_with_alloc (bool partial_fill) { - Sample* mix_buf = new Sample[1048576]; - float* gain_buf = new float[1048576]; + /* We limit disk reads to at most 4MB chunks, which with floating point + samples would be 1M samples. But we might use 16 or 14 bit samples, + in which case 4MB is more samples than that. Therefore size this for + the smallest sample value .. 4MB = 2M samples (16 bit). + */ + + Sample* mix_buf = new Sample[2*1048576]; + float* gain_buf = new float[2*1048576]; int ret = _do_refill (mix_buf, gain_buf, (partial_fill ? disk_read_chunk_frames : 0)); |