void TempoAtGrid (COMMAND_T* ct)
{
// Get tempo map and grid
BR_Envelope tempoMap(GetTempoEnv());
if (!tempoMap.CountSelected())
return;
double grid; GetConfig("projgriddiv", grid);
// Loop through selected points
Undo_BeginBlock2(NULL);
int count = tempoMap.Count()-1;
for (int i = 0; i < tempoMap.CountSelected(); ++i)
{
// Get tempo points
int id = tempoMap.GetSelected(i);
double t0, t1, b0, b1;
int s0;
tempoMap.GetPoint(id, &t0, &b0, &s0, NULL);
tempoMap.GetPoint(id+1, &t1, &b1, NULL, NULL);
// If last tempo point is selected, fake second point as if it's at the end of project (markers and regions included)
if (id == count)
{
b1 = b0;
t1 = EndOfProject(true, true);
}
// "fake" bpm for second point (needed for TempoAtPosition)
if (s0 == SQUARE)
b1 = b0;
// Grid diving starts again from the start of the measure in which tempo marker is so we need to calculate
// the offset between where grid line really is and where it would be if we just divided QN with grid spacing.
double beat; int measure; GetTempoTimeSigMarker(NULL, id, NULL, &measure, &beat, NULL, NULL, NULL, NULL);
double offset = grid - fmod(TimeMap_timeToQN(TimeMap2_beatsToTime(0, 0, &measure)), grid);
// Find first grid line and then loop through the rest creating tempo points
double pGridLn = t0, gridLn = TimeMap_timeToQN(t0);
gridLn = TimeMap_QNToTime(gridLn-offset - fmod(gridLn,grid)); // it can be before tempo point but next while should correct that
while (true)
{
// Search for the next grid line
while (gridLn < pGridLn + MAX_GRID_DIV) // MAX_GRID_DIV acts as safety net to prevent accidental multiple points around grid lines/tempo points
gridLn = TimeMap_QNToTime(TimeMap_timeToQN(gridLn) + grid);
// Create points until the next point
if (gridLn < t1 - MAX_GRID_DIV)
tempoMap.CreatePoint(tempoMap.Count(), gridLn, TempoAtPosition(b0, b1, t0, t1, gridLn), s0, 0, false);
else
break;
pGridLn = gridLn;
}
}
tempoMap.Commit();
Undo_EndBlock2(NULL, SWS_CMD_SHORTNAME(ct), UNDO_STATE_ALL);
}
void BR_MidiItemTimePos::Restore (double timeOffset /*=0*/)
{
SetMediaItemInfo_Value(item, "C_BEATATTACHMODE", 0);
for (size_t i = 0; i < savedMidiTakes.size(); ++i)
{
BR_MidiItemTimePos::MidiTake* midiTake = &savedMidiTakes[i];
MediaItem_Take* take = midiTake->take;
int noteCount, ccCount, textCount;
if (MIDI_CountEvts(take, ¬eCount, &ccCount, &textCount))
{
for (int i = 0; i < noteCount; ++i) MIDI_DeleteNote(take, 0);
for (int i = 0; i < ccCount; ++i) MIDI_DeleteCC(take, 0);
for (int i = 0; i < textCount; ++i) MIDI_DeleteTextSysexEvt(take, 0);
}
if (looped && loopStart != -1 && loopEnd != -1)
{
SetMediaItemTakeInfo_Value(take, "D_STARTOFFS", 0);
MIDI_SetItemExtents(item, TimeMap_timeToQN(loopStart), TimeMap_timeToQN(loopEnd));
SetMediaItemInfo_Value(item , "B_LOOPSRC", 1); // because MIDI_SetItemExtents() disables looping
TrimItem(item, position, position + length, true);
SetMediaItemTakeInfo_Value(take, "D_STARTOFFS", loopedOffset);
}
else
{
TrimItem(item, position, position + length, true);
}
for (size_t i = 0; i < midiTake->noteEvents.size(); ++i)
midiTake->noteEvents[i].InsertEvent(take, timeOffset);
for (size_t i = 0; i < midiTake->ccEvents.size(); ++i)
midiTake->ccEvents[i].InsertEvent(take, timeOffset);
for (size_t i = 0; i < midiTake->sysEvents.size(); ++i)
midiTake->sysEvents[i].InsertEvent(take, timeOffset);
}
SetMediaItemInfo_Value(item, "C_BEATATTACHMODE", timeBase);
}
