diff options
Diffstat (limited to 'libs/surfaces/mackie/meter.cc')
| -rw-r--r-- | libs/surfaces/mackie/meter.cc | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/libs/surfaces/mackie/meter.cc b/libs/surfaces/mackie/meter.cc index 91de8d6ef6..27171aff16 100644 --- a/libs/surfaces/mackie/meter.cc +++ b/libs/surfaces/mackie/meter.cc @@ -43,24 +43,24 @@ Meter::factory (Surface& surface, int id, const char* name, Group& group) void Meter::notify_metering_state_changed(Surface& surface, bool transport_is_rolling, bool metering_active) -{ +{ MidiByteArray msg; - + // sysex header msg << surface.sysex_hdr(); - + // code for Channel Meter Enable Message msg << 0x20; - + // Channel identification msg << id(); - + // Enable (0x07) / Disable (0x00) level meter on LCD, peak hold display on horizontal meter and signal LED msg << ((transport_is_rolling && metering_active) ? 0x07 : 0x00); - + // sysex trailer msg << MIDI::eox; - + surface.write (msg); } @@ -70,7 +70,7 @@ Meter::send_update (Surface& surface, float dB) float def = 0.0f; /* Meter deflection %age */ // DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Meter ID %1 dB %2\n", id(), dB)); - + if (dB < -70.0f) { def = 0.0f; } else if (dB < -60.0f) { @@ -88,19 +88,19 @@ Meter::send_update (Surface& surface, float dB) } else { def = 115.0f; } - + /* 115 is the deflection %age that would be when dB=6.0. this is an arbitrary endpoint for our scaling. */ MidiByteArray msg; - + if (def > 100.0f) { if (!overload_on) { overload_on = true; surface.write (MidiByteArray (2, 0xd0, (id() << 4) | 0xe)); - + } } else { if (overload_on) { @@ -108,11 +108,11 @@ Meter::send_update (Surface& surface, float dB) surface.write (MidiByteArray (2, 0xd0, (id() << 4) | 0xf)); } } - + /* we can use up to 13 segments */ int segment = lrintf ((def/115.0) * 13.0); - + surface.write (MidiByteArray (2, 0xd0, (id()<<4) | segment)); } |