diff options
| -rw-r--r-- | gtk2_ardour/utils.cc | 37 | ||||
| -rw-r--r-- | gtk2_ardour/utils.h | 1 |
2 files changed, 38 insertions, 0 deletions
diff --git a/gtk2_ardour/utils.cc b/gtk2_ardour/utils.cc index c5b40faf6d..7489b2e08b 100644 --- a/gtk2_ardour/utils.cc +++ b/gtk2_ardour/utils.cc @@ -764,6 +764,43 @@ ARDOUR_UI_UTILS::rate_as_string (float r) return buf; } +string +ARDOUR_UI_UTILS::samples_as_time_string (samplecnt_t s, float rate, bool show_samples) +{ + char buf[32]; + if (rate <= 0) { + snprintf (buf, sizeof (buf), "--"); + } else if (s == 0) { + snprintf (buf, sizeof (buf), "0"); + } else if (s < 1000 && show_samples) { + /* 0 .. 999 spl */ + snprintf (buf, sizeof (buf), "%ld spl", s); + } else if (s < (rate / 1000.f)) { + /* 0 .. 999 usec */ + snprintf (buf, sizeof (buf), "%.0f \u00B5s", s * 1e+6f / rate); + } else if (s < (rate / 100.f)) { + /* 1.000 .. 9.999 ms */ + snprintf (buf, sizeof (buf), "%.3f ms", s * 1e+3f / rate); + } else if (s < (rate / 10.f)) { + /* 1.00 .. 99.99 ms */ + snprintf (buf, sizeof (buf), "%.2f ms", s * 1e+3f / rate); + } else if (s < rate) { + /* 100.0 .. 999.9 ms */ + snprintf (buf, sizeof (buf), "%.1f ms", s * 1e+3f / rate); + } else if (s < rate * 10.f) { + /* 1.000 s .. 9.999 s */ + snprintf (buf, sizeof (buf), "%.3f s", s / rate); + } else if (s < rate * 90.f) { + /* 10.00 s .. 89.99 s */ + snprintf (buf, sizeof (buf), "%.2f s", s / rate); + } else { + /* 1m30.0 ... */ + snprintf (buf, sizeof (buf), "'%.0fm%.1f", s / (60.f * rate), fmodf (s / rate, 60)); + } + buf[31] = '\0'; + return buf; +} + bool ARDOUR_UI_UTILS::windows_overlap (Gtk::Window *a, Gtk::Window *b) { diff --git a/gtk2_ardour/utils.h b/gtk2_ardour/utils.h index dc7b975cc1..bbf4233398 100644 --- a/gtk2_ardour/utils.h +++ b/gtk2_ardour/utils.h @@ -101,6 +101,7 @@ std::string escape_underscores (std::string const &); Gdk::Color unique_random_color (std::list<Gdk::Color> &); std::string rate_as_string (float r); +std::string samples_as_time_string (ARDOUR::samplecnt_t s, float r, bool show_samples = false); bool windows_overlap (Gtk::Window *a, Gtk::Window *b); |