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Add start, stop and continue

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This commit is contained in:
Miika Alonen
2023-10-03 22:33:19 +03:00
parent 05a4f8a161
commit e856f045bb
2 changed files with 31 additions and 26 deletions
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56
src/IO/MidiConnection.ts
View File

@ -1,4 +1,5 @@
import { UserAPI } from "../API";
import { Clock } from "../Clock";
export class MidiConnection {
/**
@ -85,21 +86,25 @@ export class MidiConnection {
public sendStartMessage(): void {
/**
* Sends a MIDI Start message to the currently selected MIDI output.
* Sends a MIDI Start message to the currently selected MIDI output and MIDI clock is not used
*/
const output = this.midiOutputs[this.currentOutputIndex];
if (output) {
output.send([0xfa]); // Send MIDI Start message
if(!this.midiClockInput) {
const output = this.midiOutputs[this.currentOutputIndex];
if (output) {
output.send([0xfa]); // Send MIDI Start message
}
}
}
public sendStopMessage(): void {
/**
* Sends a MIDI Stop message to the currently selected MIDI output.
* Sends a MIDI Stop message to the currently selected MIDI output and MIDI clock is not used
*/
const output = this.midiOutputs[this.currentOutputIndex];
if (output) {
output.send([0xfc]); // Send MIDI Stop message
if(!this.midiClockInput) {
const output = this.midiOutputs[this.currentOutputIndex];
if (output) {
output.send([0xfc]); // Send MIDI Stop message
}
}
}
@ -195,15 +200,19 @@ export class MidiConnection {
}
} else if(message.data[0] === 0xfa) {
console.log("MIDI start received");
this.api.stop();
this.api.play();
} else if(message.data[0] === 0xfc) {
console.log("MIDI stop received");
this.api.pause();
} else if(message.data[0] === 0xfb) {
console.log("MIDI continue received");
this.api.play();
} else if(message.data[0] === 0xfe) {
console.log("MIDI active sensing received");
} else {
// Ignore other MIDI messages
console.log("Ignored MIDI message: ", message.data);
// console.log("Ignored MIDI message: ", message.data[0], message.data[1]);
}
}
}
@ -232,32 +241,25 @@ export class MidiConnection {
console.log("BPMs", this.clockBuffer);
console.log("Deltas", this.deltaBuffer);
this.clockErrorCount = 0;
this.skipOnError = this.clockPPQN/4; // Skip quarter of the pulses
/* I dont know why this happens. But when it does, deltas for the following messages are off.
So skipping ~ quarted of clock resolution usually helps */
this.skipOnError = this.clockPPQN/4;
timestamp = 0; // timestamp 0 == lastTimestamp 0
} else {
if(this.midiClockDelta === 0) {
this.midiClockDelta = timestamp - this.lastTimestamp;
this.lastBPM = 60 * (1000 / this.midiClockDelta / 24);
} else {
const lastDelta = this.midiClockDelta * (1.0 - SMOOTH);
this.midiClockDelta = timestamp - this.lastTimestamp;
this.lastBPM = (60 * (1000 / (this.midiClockDelta*SMOOTH+lastDelta) / 24) * SMOOTH) + (this.lastBPM * (1.0 - SMOOTH));
}
this.midiClockDelta = timestamp - this.lastTimestamp;
this.lastBPM = 60 * (1000 / this.midiClockDelta / 24);
this.deltaBuffer.push(this.midiClockDelta);
if(this.deltaBuffer.length>this.clockBufferLength) this.deltaBuffer.shift();
this.clockBuffer.push(this.lastBPM);
if(this.clockBuffer.length>this.clockBufferLength) this.clockBuffer.shift();
const estimatedBPM = this.estimatedBPM();
if(estimatedBPM !== this.roundedBPM) {
console.log("Esimated BPM: ", estimatedBPM);
this.api.bpm(estimatedBPM);
this.roundedBPM = estimatedBPM;
console.log(this.roundedBPM);
}
}
}
}
@ -280,9 +282,11 @@ export class MidiConnection {
/**
* Sends a single MIDI clock message to the currently selected MIDI output.
*/
const output = this.midiOutputs[this.currentOutputIndex];
if (output) {
output.send([0xf8]); // Send a single MIDI clock message
if(!this.midiClockInput) {
const output = this.midiOutputs[this.currentOutputIndex];
if (output) {
output.send([0xf8]); // Send a single MIDI clock message
}
}
}

1
src/classes/ZPlayer.ts
View File

@ -99,6 +99,7 @@ export class Player extends Event {
this.index = 0;
this.waitTime = 0;
this.skipIndex = 0;
this.ziffers.index = 0;
}
const patternIsStarting = (this.notStarted() &&