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Mono Legato Mode #16

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Nov 18, 2024
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4 changes: 4 additions & 0 deletions include/sst/voicemanager/voicemanager_constraints.h
Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,10 @@ template <typename Cfg, typename Responder, typename MonoResponder> struct Const
void (Responder::*)(std::function<void(typename Cfg::voice_t *)>))
HASMEM(retriggerVoiceWithNewNoteID, Responder,
void (Responder::*)(typename Cfg::voice_t *, int32_t, float))
HASMEM(moveVoice, Responder,
void (Responder::*)(typename Cfg::voice_t *, uint16_t, uint16_t, uint16_t, float))
HASMEM(moveAndRetriggerVoice, Responder,
void (Responder::*)(typename Cfg::voice_t *, uint16_t, uint16_t, uint16_t, float))

HASMEM(beginVoiceCreationTransaction, Responder,
int32_t (Responder::*)(typename VoiceBeginBufferEntry<Cfg>::buffer_t &, uint16_t,
Expand Down
107 changes: 99 additions & 8 deletions include/sst/voicemanager/voicemanager_impl.h
Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,8 @@ struct VoiceManager<Cfg, Responder, MonoResponder>::Details
int16_t port{0}, channel{0}, key{0};
int32_t noteId{-1};

int16_t originalPort{0}, originalChannel{0}, originalKey{0};

int64_t voiceCounter{0}, transactionId{0};

bool gated{false};
Expand All @@ -73,6 +75,13 @@ struct VoiceManager<Cfg, Responder, MonoResponder>::Details
res = res && (nid == -1 || noteId == -1 || nid == noteId);
return res;
}

void snapOriginalToCurrent()
{
originalPort = port;
originalChannel = channel;
originalKey = key;
}
};
std::array<VoiceInfo, Cfg::maxVoiceCount> voiceInfo;
std::unordered_map<uint64_t, int32_t> polyLimits;
Expand Down Expand Up @@ -278,15 +287,14 @@ struct VoiceManager<Cfg, Responder, MonoResponder>::Details

void doMonoRetrigger(int16_t port, uint64_t polyGroup)
{
VML("=== MONO mode voice retrigger for " << polyGroup);
VML("=== MONO mode voice retrigger or move for " << polyGroup);
auto &ks = keyStateByPort[port];
auto ft = playModeFeatures.at(polyGroup);
int dch{-1}, dk{-1};
float dvel{0.f};

auto findBestKey = [&](bool ignoreSustain)
{
VML("- find best key " << ignoreSustain);
if (ft & (uint64_t)MonoPlayModeFeatures::ON_RELEASE_TO_LATEST)
{
int64_t mtx = 0;
Expand Down Expand Up @@ -368,7 +376,7 @@ struct VoiceManager<Cfg, Responder, MonoResponder>::Details
if (dch < 0)
findBestKey(true);

if (dch >= 0 && dk >= 0)
if (ft & (uint64_t)MonoPlayModeFeatures::MONO_RETRIGGER && dch >= 0 && dk >= 0)
{
// Need to know the velocity and the port
VML("- retrigger Note " << dch << " " << dk << " " << dvel);
Expand Down Expand Up @@ -406,6 +414,7 @@ struct VoiceManager<Cfg, Responder, MonoResponder>::Details
vi.channel = dch;
vi.key = dk;
vi.noteId = dnid;
vi.snapOriginalToCurrent();

vi.gated = true;
vi.gatedDueToSustain = false;
Expand Down Expand Up @@ -435,6 +444,31 @@ struct VoiceManager<Cfg, Responder, MonoResponder>::Details

vm.responder.endVoiceCreationTransaction(port, dch, dk, dnid, dvel);
}

else if (ft & (uint64_t)MonoPlayModeFeatures::MONO_LEGATO && dch >= 0 && dk >= 0)
{
VML("- Move notes in group " << polyGroup << " to " << dch << "/" << dk);
for (auto &v : voiceInfo)
{
if (v.activeVoiceCookie && v.polyGroup == polyGroup)
{
if (v.gated || v.gatedDueToSustain)
{
VML("- Move gated voice");
vm.responder.moveVoice(v.activeVoiceCookie, port, dch, dk, dvel);
}
else
{
VML("- Move and retrigger non gated voice");
vm.responder.moveAndRetriggerVoice(v.activeVoiceCookie, port, dch, dk,
dvel);
}
v.port = port;
v.channel = dch;
v.key = dk;
}
}
}
}

bool anyKeyHeldFor(int16_t port, uint64_t polyGroup, int exceptChannel, int exceptKey,
Expand Down Expand Up @@ -625,13 +659,57 @@ bool VoiceManager<Cfg, Responder, MonoResponder>::processNoteOnEvent(int16_t por
VML("Mono Stealing:");
for (const auto &mpg : monoGroups)
{
VML("- Would steal all voices in " << mpg << " (TODO: This is *WRONG* for Legato)");
for (const auto &v : details.voiceInfo)
VML("- Would steal all voices in " << mpg);
auto isLegato =
details.playModeFeatures.at(mpg) & (uint64_t)MonoPlayModeFeatures::MONO_LEGATO;
VML("- IsLegato : " << isLegato);
if (isLegato)
{
bool foundOne{false};
for (auto &v : details.voiceInfo)
{
if (v.activeVoiceCookie && v.polyGroup == mpg)
{
VML(" - Moving existing voice " << v.activeVoiceCookie << " to " << key);
if (v.gated)
{
responder.moveVoice(v.activeVoiceCookie, port, channel, key, velocity);
}
else
{
responder.moveAndRetriggerVoice(v.activeVoiceCookie, port, channel, key,
velocity);
}
v.port = port;
v.channel = channel;
v.key = key;
v.gated = true;

foundOne = true;
}
}
if (foundOne)
{
for (int i = 0; i < voicesToBeLaunched; ++i)
{
if (details.voiceBeginWorkingBuffer[i].polyphonyGroup == mpg)
{
VML(" - Setting instruction " << i << " to skip");
details.voiceInitInstructionsBuffer[i].instruction =
VoiceInitInstructionsEntry<Cfg>::Instruction::SKIP;
}
}
}
}
else
{
if (v.activeVoiceCookie && v.polyGroup == mpg)
for (const auto &v : details.voiceInfo)
{
VML("- Stealing voice " << v.key);
responder.terminateVoice(v.activeVoiceCookie);
if (v.activeVoiceCookie && v.polyGroup == mpg)
{
VML("- Stealing voice " << v.key);
responder.terminateVoice(v.activeVoiceCookie);
}
}
}
}
Expand Down Expand Up @@ -682,6 +760,7 @@ bool VoiceManager<Cfg, Responder, MonoResponder>::processNoteOnEvent(int16_t por
vi.channel = channel;
vi.key = key;
vi.noteId = noteid;
vi.snapOriginalToCurrent();

vi.gated = true;
vi.gatedDueToSustain = false;
Expand Down Expand Up @@ -732,6 +811,17 @@ void VoiceManager<Cfg, Responder, MonoResponder>::processNoteOffEvent(int16_t po
VML("- Found matching release note at " << vi.polyGroup << " " << vi.key);
if (details.playMode[vi.polyGroup] == PlayMode::MONO_NOTES)
{
if (details.playModeFeatures[vi.polyGroup] &
(uint64_t)MonoPlayModeFeatures::MONO_LEGATO)
{
bool anyOtherOption = details.anyKeyHeldFor(port, vi.polyGroup, channel, key);
if (anyOtherOption)
{
retriggerGroups.insert(vi.polyGroup);
VML("- A key is down in same group. Initiating mono legato move");
continue;
}
}
if (details.sustainOn)
{
VML("- Release with sustain on. Checking to see if there are gated voices "
Expand Down Expand Up @@ -776,6 +866,7 @@ void VoiceManager<Cfg, Responder, MonoResponder>::processNoteOffEvent(int16_t po
}
else
{
// Poly branch ere
if (details.sustainOn)
{
vi.gatedDueToSustain = true;
Expand Down
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