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midi-parser
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instruction improvements

This commit is contained in:
Jay Robson 2024-10-03 22:43:23 +10:00
parent 34f26ae46f
commit f763871106
3 changed files with 28 additions and 9 deletions
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10
src/packet.cpp
View File

@ -19,9 +19,8 @@ void packet::Clear::finalise(std::ostream& dst) const {
void packet::ClearTS::finalise(std::ostream& dst) const {
uint64_t v = Type::clear_ts & bm(3);
v = (v << 5) | (index & bm(5));
v = (v << 18) | (ticks & bm(18));
v <<= 6;
output(dst, v, 4);
v = (v << 16) | (ticks & bm(16));
output(dst, v, 3);
}
void packet::Set::finalise(std::ostream& dst) const {
@ -29,16 +28,17 @@ void packet::Set::finalise(std::ostream& dst) const {
v = (v << 5) | (index & bm(5));
v = (v << 12) | (frequency & bm(12));
v = (v << 2) | (mode & bm(2));
v <<= 2;
v = (v << 2) | (gain & bm(2));
output(dst, v, 3);
}
void packet::SetTS::finalise(std::ostream& dst) const {
uint64_t v = Type::set_ts & bm(3);
v = (v << 5) | (index & bm(5));
v = (v << 18) | (ticks & bm(18));
v = (v << 16) | (ticks & bm(16));
v = (v << 12) | (frequency & bm(12));
v = (v << 2) | (mode & bm(2));
v = (v << 2) | (gain & bm(2));
output(dst, v, 5);
}

4
src/packet.hpp
View File

@ -30,6 +30,7 @@ namespace packet {
unsigned index;
unsigned frequency;
ToneType mode;
unsigned gain;
void finalise(std::ostream& dst) const;
};
@ -39,6 +40,7 @@ namespace packet {
unsigned ticks;
unsigned frequency;
ToneType mode;
unsigned gain;
void finalise(std::ostream& dst) const;
};
@ -69,7 +71,7 @@ namespace packet {
case Type::clear:
return 1;
case Type::clear_ts:
return 4;
return 3;
case Type::set:
return 3;
case Type::set_ts:

23
src/scheduler.cpp
View File

@ -31,7 +31,7 @@ bool Scheduler::add_note(unsigned key_id, unsigned ticks, bool state, packet::To
if(ticks_at >= ticks) {
packets.push_back({.type=packet::Type::clear, .clear={.index=channel}});
} else {
packets.push_back({.type=packet::Type::clear_ts, .clear_ts={.index=channel, .ticks=ticks}});
packets.push_back({.type=packet::Type::clear_ts, .clear_ts={.index=channel, .ticks=ticks - ticks_at}});
ticks_at = ticks;
}
return true;
@ -55,9 +55,26 @@ bool Scheduler::add_note(unsigned key_id, unsigned ticks, bool state, packet::To
}
if(ticks_at >= ticks) {
packets.push_back({.type=packet::Type::set, .set={.index=channel_id, .frequency=key::get_freq(key_id), .mode=mode}});
packets.push_back({
.type=packet::Type::set,
.set={
.index=channel_id,
.frequency=key::get_freq(key_id),
.mode=mode,
.gain=0,
},
});
} else {
packets.push_back({.type=packet::Type::set_ts, .set_ts={.index=channel_id, .ticks=ticks, .frequency=key::get_freq(key_id), .mode=mode}});
packets.push_back({
.type=packet::Type::set_ts,
.set_ts={
.index=channel_id,
.ticks=ticks - ticks_at,
.frequency=key::get_freq(key_id),
.mode=mode,
.gain=0,
},
});
ticks_at = ticks;
}