/******************************************************************************
* BR_MidiItemTimePos *
******************************************************************************/
BR_MidiItemTimePos::BR_MidiItemTimePos (MediaItem* item) :
item (item),
position (GetMediaItemInfo_Value(item, "D_POSITION")),
length (GetMediaItemInfo_Value(item, "D_LENGTH")),
timeBase (GetMediaItemInfo_Value(item, "C_BEATATTACHMODE")),
looped (!!GetMediaItemInfo_Value(item, "B_LOOPSRC")),
loopStart (-1),
loopEnd (-1),
loopedOffset (0)
{
// When restoring position and lenght, the only way to restore it for looped MIDI items is to use MIDI_SetItemExtents which will disable looping
// for the whole item. Since we have no idea what will happen before this->Restore() is called take data for active MIDI item right now instead of
// in this->Restore() (for example, if client calls SetIgnoreTempo() from BR_Util.h before restoring to disable "ignore project tempo" length of MIDI item source may change)
if (looped)
{
if (MediaItem_Take* activeTake = GetActiveTake(item))
{
double sourceLenPPQ = GetMidiSourceLengthPPQ(activeTake, true);
loopStart = MIDI_GetProjTimeFromPPQPos(activeTake, sourceLenPPQ); // we're not using MIDI_GetProjTimeFromPPQPos(activeTake, 0) because later we will use MIDI_SetItemExtents to make sure looped item
loopEnd = MIDI_GetProjTimeFromPPQPos(activeTake, sourceLenPPQ*2); // position info is restored and 0 PPQ in take could theoretically be behind project start in which case MIDI_SetItemExtents wont' work properly
loopedOffset = GetMediaItemTakeInfo_Value(activeTake, "D_STARTOFFS");
}
}
int takeCount = CountTakes(item);
for (int i = 0; i < takeCount; ++i)
{
MediaItem_Take* take = GetTake(item, i);
int noteCount, ccCount, textCount;
int midiEventCount = MIDI_CountEvts(take, ¬eCount, &ccCount, &textCount);
// In case of looped item, if active take wasn't midi, get looped position here for first MIDI take
if (looped && loopStart == -1 && loopEnd == -1 && IsMidi(take, NULL) && (midiEventCount > 0 || i == takeCount - 1))
{
double sourceLenPPQ = GetMidiSourceLengthPPQ(take, true);
loopStart = MIDI_GetProjTimeFromPPQPos(take, sourceLenPPQ);
loopEnd = MIDI_GetProjTimeFromPPQPos(take, sourceLenPPQ*2);
loopedOffset = GetMediaItemTakeInfo_Value(take, "D_STARTOFFS");
}
if (midiEventCount > 0)
{
savedMidiTakes.push_back(BR_MidiItemTimePos::MidiTake(take, noteCount, ccCount, textCount));
BR_MidiItemTimePos::MidiTake* midiTake = &savedMidiTakes.back();
for (int i = 0; i < noteCount; ++i)
midiTake->noteEvents.push_back(BR_MidiItemTimePos::MidiTake::NoteEvent(take, i));
for (int i = 0; i < ccCount; ++i)
midiTake->ccEvents.push_back(BR_MidiItemTimePos::MidiTake::CCEvent(take, i));
for (int i = 0; i < textCount; ++i)
midiTake->sysEvents.push_back(BR_MidiItemTimePos::MidiTake::SysEvent(take, i));
}
}
}
BR_MidiItemTimePos::MidiTake::SysEvent::SysEvent (MediaItem_Take* take, int id)
{
msg.Resize(32768);
msg_sz = msg.GetSize();
MIDI_GetTextSysexEvt(take, id, &selected, &muted, &pos, &type, msg.Get(), &msg_sz);
pos = MIDI_GetProjTimeFromPPQPos(take, pos);
}
static void MidiTakePreview (int mode, MediaItem_Take* take, MediaTrack* track, double volume, double startOffset, double measureSync, bool pauseDuringPrev)
{
/* mode: 0 -> stop *
* 1 -> start *
* 2 -> toggle */
// First stop any ongoing preview
RegisterCsurfPlayState(false, MidiTakePreviewPlayState);
if (g_itemPreviewPlaying)
{
if (g_ItemPreview.preview_track)
{
StopTrackPreview(&g_ItemPreview);
SendAllNotesOff((MediaTrack*)g_ItemPreview.preview_track);
}
else
{
StopPreview(&g_ItemPreview);
}
g_itemPreviewPlaying = false;
plugin_register("-timer",(void*)MidiTakePreviewTimer);
delete g_ItemPreview.src;
if (g_itemPreviewPaused && mode != 1) // requesting new preview while old one is still playing shouldn't unpause playback
{
if (IsPaused(NULL))
OnPauseButtonEx(NULL);
g_itemPreviewPaused = false;
}
// Toggled preview off...treat it as stop
if (mode == 2)
mode = 0;
}
// About IsRecording: REAPER won't preview anything during recording but extension will still think preview is in progress if we let it continue here
if (mode == 0 || IsRecording(NULL))
return;
if (take)
{
PreventUIRefresh(1); // item may get resized temporarily so hide it from the user
MediaItem* item = GetMediaItemTake_Item(take);
MediaItem_Take* oldTake = GetActiveTake(item);
bool itemMuteState = *(bool*)GetSetMediaItemInfo(item, "B_MUTE", NULL);
GetSetMediaItemInfo(item, "B_MUTE", &g_bFalse); // needs to be set before getting the source
SetActiveTake(take); // active item take and editor take may differ
// If timebase in MIDI editor is set to Beats (source), make sure item is croped so full MIDI source is visible beforing getting the source
double itemStart = -1;
double itemEnd = -1;
double takeOffset = 0;
double itemPositionOffset = 0;
if (GetToggleCommandState2(SectionFromUniqueID(SECTION_MIDI_EDITOR), 40470) > 0) // Timebase: Beats(source)
{
itemStart = GetMediaItemInfo_Value(item, "D_POSITION");
itemEnd = itemStart + GetMediaItemInfo_Value(item, "D_LENGTH");
takeOffset = GetMediaItemTakeInfo_Value(take, "D_STARTOFFS");
double sourceLenPPQ = GetMidiSourceLengthPPQ(take, NULL);
if (takeOffset != 0)
SetMediaItemTakeInfo_Value(take, "D_STARTOFFS", 0);
double itemSourceStart = MIDI_GetProjTimeFromPPQPos(take, 0);
if (itemSourceStart < 0)
{
itemPositionOffset = abs(itemSourceStart);
SetMediaItemInfo_Value(item, "D_POSITION", itemStart + itemPositionOffset);
itemSourceStart = MIDI_GetProjTimeFromPPQPos(take, 0);
}
SetMediaItemInfo_Value(item, "D_POSITION", itemSourceStart);
SetMediaItemInfo_Value(item, "D_LENGTH", MIDI_GetProjTimeFromPPQPos(take, sourceLenPPQ) - itemSourceStart);
}
double effectiveTakeLen = EffectiveMidiTakeEnd(take, true, true, true) - GetMediaItemInfo_Value(item, "D_POSITION");
PCM_source* src = DuplicateSource((PCM_source*)item); // must be item source otherwise item/take volume won't get accounted for
if (src && effectiveTakeLen > 0)
{
GetSetMediaItemInfo((MediaItem*)src, "D_POSITION", &g_d0);
GetSetMediaItemInfo((MediaItem*)src, "D_LENGTH", &effectiveTakeLen);
if (!g_ItemPreview.src)
{
#ifdef _WIN32
InitializeCriticalSection(&g_ItemPreview.cs);
#else
pthread_mutex_init(&g_ItemPreview.mutex, NULL);
#endif
g_ItemPreview.loop = false;
}
g_ItemPreview.src = src;
g_ItemPreview.m_out_chan = (track) ? (-1) : (0);
g_ItemPreview.curpos = startOffset;
g_ItemPreview.volume = volume;
g_ItemPreview.preview_track = track;
// Pause before preview otherwise MidiTakePreviewPlayState will stop it
g_itemPreviewPaused = pauseDuringPrev;
if (g_itemPreviewPaused && IsPlaying(NULL) && !IsPaused(NULL))
OnPauseButton();
if (g_ItemPreview.preview_track)
g_itemPreviewPlaying = !!PlayTrackPreview2Ex(NULL, &g_ItemPreview, 1, measureSync);
else
g_itemPreviewPlaying = !!PlayPreviewEx(&g_ItemPreview, 1, measureSync);
if (g_itemPreviewPlaying)
{
plugin_register("timer",(void*)MidiTakePreviewTimer);
RegisterCsurfPlayState(true, MidiTakePreviewPlayState);
}
else
delete g_ItemPreview.src;
}
if (itemStart != -1)
{
SetMediaItemInfo_Value(item, "D_POSITION", itemStart + itemPositionOffset);
SetMediaItemInfo_Value(item, "D_LENGTH", itemEnd - itemStart);
if (itemPositionOffset != 0) SetMediaItemInfo_Value(item, "D_POSITION", itemStart);
if (takeOffset != 0) SetMediaItemTakeInfo_Value(take, "D_STARTOFFS", takeOffset);
}
SetActiveTake(oldTake);
GetSetMediaItemInfo(item, "B_MUTE", &itemMuteState);
PreventUIRefresh(-1);
}
}
void ME_PreviewActiveTake (COMMAND_T* ct, int val, int valhw, int relmode, HWND hwnd)
{
HWND midiEditor = MIDIEditor_GetActive();
if (MediaItem_Take* take = MIDIEditor_GetTake(midiEditor))
{
MediaItem* item = GetMediaItemTake_Item(take);
vector<int> options = GetDigits((int)ct->user);
int toggle = options[0];
int type = options[1];
int selNotes = options[2];
int pause = options[3];
MediaTrack* track = GetMediaItem_Track(item);
double volume = GetMediaItemInfo_Value(item, "D_VOL");
double start = 0;
double measure = (type == 3) ? 1 : 0;
bool pausePlay = (pause == 2) ? true : false;
if (type == 2)
{
double mousePosition = ME_PositionAtMouseCursor(true, true);
if (mousePosition != -1)
{
if (GetToggleCommandState2(SectionFromUniqueID(SECTION_MIDI_EDITOR), 40470) > 0) // Timebase: Beats(source)
start = mousePosition - MIDI_GetProjTimeFromPPQPos(take, 0);
else
start = mousePosition - GetMediaItemInfo_Value(item, "D_POSITION");
}
else
return;
}
vector<int> muteState;
if (selNotes == 2)
{
if (!AreAllNotesUnselected(take))
{
muteState = MuteUnselectedNotes(take);
if (type != 2)
{
BR_MidiEditor editor(midiEditor);
double time;
MIDI_GetNote(take, FindFirstSelectedNote(take, &editor), NULL, NULL, &time, NULL, NULL, NULL, NULL);
start = MIDI_GetProjTimeFromPPQPos(take, time) - GetMediaItemInfo_Value(item, "D_POSITION");
if (start < 0) start = 0;
}
}
else if (type != 2)
{
BR_MidiEditor editor(midiEditor);
int id = FindFirstNote(take, &editor);
if (id != -1)
{
double time;
MIDI_GetNote(take, id, NULL, NULL, &time, NULL, NULL, NULL, NULL);
start = MIDI_GetProjTimeFromPPQPos(take, time) - GetMediaItemInfo_Value(item, "D_POSITION");
if (start < 0) start = 0;
}
}
}
MidiTakePreview(toggle, take, track, volume, start, measure, pausePlay);
if (muteState.size() > 0)
SetMutedNotes(take, muteState);
}
}
double EffectiveMidiTakeStart (MediaItem_Take* take, bool ignoreMutedEvents, bool ignoreTextEvents, bool ignoreEventsOutsideItemBoundaries)
{
int noteCount, ccCount, sysCount;
if (take && MIDI_CountEvts(take, ¬eCount, &ccCount, &sysCount))
{
MediaItem* item = GetMediaItemTake_Item(take);
double itemStart = GetMediaItemInfo_Value(item, "D_POSITION");
double itemStartPPQ = MIDI_GetPPQPosFromProjTime(take, itemStart);
double itemEndPPQ = (!ignoreEventsOutsideItemBoundaries) ? 0 : MIDI_GetPPQPosFromProjTime(take, GetMediaItemInfo_Value(item, "D_LENGTH") + itemStart);
int loopCount = (!ignoreEventsOutsideItemBoundaries) ? 0 : GetLoopCount(take, 0, NULL);
double sourceLenPPQ = (!ignoreEventsOutsideItemBoundaries) ? 0 : GetMidiSourceLengthPPQ(take, true);
bool validNote = false, validCC = false, validSys = false;
double noteStart, ccStart, sysStart;
double loopOffset = 0;
for (int i = 0; i < noteCount; ++i)
{
bool muted; double start, end;
MIDI_GetNote(take, i, NULL, &muted, &start, &end, NULL, NULL, NULL);
if ((ignoreMutedEvents && !muted) || !ignoreMutedEvents)
{
if (!ignoreEventsOutsideItemBoundaries)
{
noteStart = start;
validNote = true;
break;
}
else
{
start += loopOffset;
end += loopOffset;
if (AreOverlapped(start, end, itemStartPPQ, itemEndPPQ))
{
if (itemStartPPQ > start) start = itemStartPPQ;
noteStart = start;
validNote = true;
break;
}
}
}
if (ignoreEventsOutsideItemBoundaries && loopCount > 0 && i == noteCount - 1)
{
if (sourceLenPPQ > 0 && loopOffset == 0)
{
loopOffset = sourceLenPPQ;
i = -1;
}
}
}
loopOffset = 0;
for (int i = 0; i < ccCount; ++i)
{
bool muted; double pos;
MIDI_GetCC(take, i, NULL, &muted, &pos, NULL, NULL, NULL, NULL);
if ((ignoreMutedEvents && !muted) || !ignoreMutedEvents)
{
if (!ignoreEventsOutsideItemBoundaries)
{
ccStart = pos;
validCC = true;
break;
}
else
{
pos += loopOffset;
if (CheckBounds(pos, itemStartPPQ, itemEndPPQ))
{
ccStart = pos;
validCC = true;
break;
}
}
}
if (ignoreEventsOutsideItemBoundaries && loopCount > 0 && i == ccCount - 1)
{
if (sourceLenPPQ > 0 && loopOffset == 0)
{
loopOffset = sourceLenPPQ;
i = -1;
}
}
}
for (int i = 0; i < sysCount; ++i)
{
bool muted; double pos; int type;
MIDI_GetTextSysexEvt(take, i, NULL, &muted, &pos, &type, NULL, NULL);
if (((ignoreMutedEvents && !muted) || !ignoreMutedEvents) && ((ignoreTextEvents && type == -1) || !ignoreTextEvents))
{
if (!ignoreEventsOutsideItemBoundaries)
{
sysStart = pos;
validSys = true;
break;
}
else
{
pos += loopOffset;
if (CheckBounds(pos, itemStartPPQ, itemEndPPQ))
{
sysStart = pos;
validSys = true;
break;
}
}
}
if (ignoreEventsOutsideItemBoundaries && loopCount > 0 && i == sysCount - 1)
{
if (sourceLenPPQ > 0 && loopOffset == 0)
{
loopOffset = sourceLenPPQ;
i = -1;
}
}
}
if (validNote || validCC || validSys)
{
if (!validNote) noteStart = (validSys) ? sysStart : ccStart;
if (!validCC) ccStart = (validSys) ? sysStart : noteStart;
if (!validSys) sysStart = (ccStart) ? ccStart : noteStart;
return MIDI_GetProjTimeFromPPQPos(take, min(min(noteStart, ccStart), sysStart));
}
else
{
return GetMediaItemInfo_Value(item, "D_POSITION");
}
}
else
{
return GetMediaItemInfo_Value(GetMediaItemTake_Item(take), "D_POSITION");
}
}
BR_MidiItemTimePos::MidiTake::CCEvent::CCEvent (MediaItem_Take* take, int id)
{
MIDI_GetCC(take, id, &selected, &muted, &pos, &chanMsg, &chan, &msg2, &msg3);
pos = MIDI_GetProjTimeFromPPQPos(take, pos);
}
BR_MidiItemTimePos::MidiTake::NoteEvent::NoteEvent (MediaItem_Take* take, int id)
{
MIDI_GetNote(take, id, &selected, &muted, &pos, &end, &chan, &pitch, &vel);
pos = MIDI_GetProjTimeFromPPQPos(take, pos);
end = MIDI_GetProjTimeFromPPQPos(take, end);
}
double GetOriginalPpqPos (MediaItem_Take* take, double ppqPos, bool* loopedItem, double* posVisInsertStartPpq, double* posVisInsertEndPpq)
{
double returnPos = 0;
MediaItem* item = GetMediaItemTake_Item(take);
if (!take || !item || !IsMidi(take, NULL))
{
WritePtr(loopedItem, false);
WritePtr(posVisInsertStartPpq, 0.0);
WritePtr(posVisInsertEndPpq, 0.0);
}
else
{
double itemStart = GetMediaItemInfo_Value(item, "D_POSITION");
double itemEnd = itemStart + GetMediaItemInfo_Value(item, "D_LENGTH");
if (GetMediaItemInfo_Value(item, "B_LOOPSRC") == 0)
{
WritePtr(loopedItem, false);
WritePtr(posVisInsertStartPpq, MIDI_GetPPQPosFromProjTime(take, itemStart));
WritePtr(posVisInsertEndPpq, MIDI_GetPPQPosFromProjTime(take, itemEnd));
returnPos = ppqPos;
}
else
{
WritePtr(loopedItem, true);
double visibleItemStartPpq = MIDI_GetPPQPosFromProjTime(take, itemStart);
double visibleItemEndPpq = MIDI_GetPPQPosFromProjTime(take, itemEnd);
double sourceLenPpq = GetMidiSourceLengthPPQ(take, true);
// Deduct take offset to get correct current loop iteration
double itemStartPpq = MIDI_GetPPQPosFromProjTime(take, itemStart - GetMediaItemTakeInfo_Value(take, "D_STARTOFFS"));
int currentLoop;
int loopCount = GetLoopCount(take, MIDI_GetProjTimeFromPPQPos(take, ppqPos), ¤tLoop);
returnPos = (ppqPos >= visibleItemStartPpq) ? (ppqPos - (currentLoop * sourceLenPpq)) : ppqPos;
if (ppqPos > visibleItemEndPpq) // position after item end
{
WritePtr(posVisInsertStartPpq, 0.0);
WritePtr(posVisInsertEndPpq, 0.0);
}
else if (ppqPos < visibleItemStartPpq || currentLoop == 0) // position in first loop iteration or before it
{
WritePtr(posVisInsertStartPpq, visibleItemStartPpq);
WritePtr(posVisInsertEndPpq, (visibleItemEndPpq - visibleItemStartPpq >= sourceLenPpq) ? itemStartPpq + sourceLenPpq : visibleItemEndPpq);
}
else if (currentLoop == loopCount) // position in last loop iteration
{
WritePtr(posVisInsertStartPpq, itemStartPpq);
WritePtr(posVisInsertEndPpq, itemStartPpq + (visibleItemEndPpq - (currentLoop * sourceLenPpq)));
}
else // position in other loop iterations
{
WritePtr(posVisInsertStartPpq, itemStartPpq);
WritePtr(posVisInsertEndPpq, itemStartPpq + sourceLenPpq);
}
}
}
return returnPos;
}
double EffectiveMidiTakeEnd (MediaItem_Take* take, bool ignoreMutedEvents, bool ignoreTextEvents, bool ignoreEventsOutsideItemBoundaries)
{
int noteCount, ccCount, sysCount;
if (take && MIDI_CountEvts(take, ¬eCount, &ccCount, &sysCount))
{
MediaItem* item = GetMediaItemTake_Item(take);
double itemStart = GetMediaItemInfo_Value(item, "D_POSITION");
double itemStartPPQ = MIDI_GetPPQPosFromProjTime(take, itemStart);
double itemEndPPQ = (!ignoreEventsOutsideItemBoundaries) ? 0 : MIDI_GetPPQPosFromProjTime(take, GetMediaItemInfo_Value(item, "D_LENGTH") + itemStart);
int loopCount = GetLoopCount(take, 0, NULL);
double sourceLenPPQ = GetMidiSourceLengthPPQ(take, true);
double effectiveTakeEndPPQ = -1;
for (int i = 0; i < noteCount; ++i)
{
bool muted; double noteStart, noteEnd;
MIDI_GetNote(take, i, NULL, &muted, ¬eStart, ¬eEnd, NULL, NULL, NULL);
if (((ignoreMutedEvents && !muted) || !ignoreMutedEvents))
{
noteEnd += loopCount*sourceLenPPQ;
if (!ignoreEventsOutsideItemBoundaries)
{
if (noteEnd > effectiveTakeEndPPQ)
effectiveTakeEndPPQ = noteEnd;
}
else
{
noteStart += loopCount*sourceLenPPQ;
if (CheckBounds(noteStart, itemStartPPQ, itemEndPPQ))
{
if (noteEnd > itemEndPPQ) noteEnd = itemEndPPQ;
if (noteEnd > effectiveTakeEndPPQ)
effectiveTakeEndPPQ = noteEnd;
}
else if (loopCount > 0)
{
noteStart -= sourceLenPPQ;
if (CheckBounds(noteStart, itemStartPPQ, itemEndPPQ))
{
noteEnd -= sourceLenPPQ;
if (noteEnd > itemEndPPQ) noteEnd = itemEndPPQ;
if (noteEnd > effectiveTakeEndPPQ)
effectiveTakeEndPPQ = noteEnd;
}
}
}
}
}
for (int i = ccCount - 1; i >= 0; --i)
{
bool muted; double pos;
MIDI_GetCC(take, i, NULL, &muted, &pos, NULL, NULL, NULL, NULL);
if ((ignoreMutedEvents && !muted) || !ignoreMutedEvents)
{
pos += loopCount*sourceLenPPQ;
if (!ignoreEventsOutsideItemBoundaries)
{
if (pos > effectiveTakeEndPPQ)
effectiveTakeEndPPQ = pos + 1; // add 1 ppq so length definitely includes that last event
break;
}
else
{
if (CheckBounds(pos, itemStartPPQ, itemEndPPQ))
{
if (pos > effectiveTakeEndPPQ)
{
effectiveTakeEndPPQ = pos + 1;
break;
}
}
else if (loopCount > 0)
{
pos -= sourceLenPPQ;
if (CheckBounds(pos, itemStartPPQ, itemEndPPQ))
{
if (pos > effectiveTakeEndPPQ)
{
effectiveTakeEndPPQ = pos + 1;
break;
}
}
}
}
}
}
for (int i = 0; i < sysCount; ++i)
{
bool muted; double pos; int type;
MIDI_GetTextSysexEvt(take, i, NULL, &muted, &pos, &type, NULL, NULL);
if (((ignoreMutedEvents && !muted) || !ignoreMutedEvents) && ((ignoreTextEvents && type == -1) || !ignoreTextEvents))
{
pos += loopCount*sourceLenPPQ;
if (!ignoreEventsOutsideItemBoundaries)
{
if (pos > effectiveTakeEndPPQ)
effectiveTakeEndPPQ = pos + 1; // add 1 ppq so length definitely includes that last event
}
else
{
if (CheckBounds(pos, itemStartPPQ, itemEndPPQ))
{
if (pos > effectiveTakeEndPPQ)
effectiveTakeEndPPQ = pos + 1;
}
else if (loopCount > 0)
{
pos -= sourceLenPPQ;
if (CheckBounds(pos, itemStartPPQ, itemEndPPQ))
{
if (pos > effectiveTakeEndPPQ)
effectiveTakeEndPPQ = pos + 1;
}
}
}
}
}
return (effectiveTakeEndPPQ == -1) ? itemStart : MIDI_GetProjTimeFromPPQPos(take, effectiveTakeEndPPQ);
}
return 0;
}
