diff options
| author | Robin Gareus <robin@gareus.org> | 2014-06-16 19:44:23 +0200 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2014-06-16 19:44:23 +0200 |
| commit | fbe359e8c7e827b4f8b7e26f70ba0ec85ae4f01e (patch) | |
| tree | 041e7424f4bd35d9050151ba07c8982e1e7ff031 | |
| parent | f383f2b8565a27d19a4e504699edc8ae2c1d670b (diff) | |
debug alsa midi latency measurement
| -rw-r--r-- | gtk2_ardour/engine_dialog.cc | 6 | ||||
| -rw-r--r-- | libs/ardour/mididm.cc | 3 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc index f8675a5ad4..df5a6a95f3 100644 --- a/gtk2_ardour/engine_dialog.cc +++ b/gtk2_ardour/engine_dialog.cc @@ -1920,6 +1920,12 @@ EngineControl::check_midi_latency_measurement () end_latency_detection (); lm_use_button.set_sensitive (true); have_lm_results = true; + return false; + } else if (mididm->processed () > 400) { + have_lm_results = false; + end_latency_detection (); + lm_results.set_markup (string_compose (results_markup, _("Timeout - large MIDI jitter."))); + return false; } lm_results.set_markup (string_compose (results_markup, buf)); diff --git a/libs/ardour/mididm.cc b/libs/ardour/mididm.cc index 6549544efb..b6734bb733 100644 --- a/libs/ardour/mididm.cc +++ b/libs/ardour/mididm.cc @@ -66,6 +66,9 @@ int MIDIDM::process (pframes_t nframes, PortEngine &pe, void *midi_in, void *mid const int64_t tc = (_monotonic_cnt + timestamp) & MASK; const int64_t ti = (buf[2] << 7) | buf[1]; const int64_t tdiff = (MODX + tc - ti) % MODX; +#if 1 //DEBUG + printf("MIDI DELAY: # %4"PRId64" %4"PRId64" [samples]\n", _cnt_total, tdiff); +#endif /* running variance */ if (_cnt_total == 0) { |