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Delete midi_viz.html
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midi_viz.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<style>
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#midi-section midi-player {
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display: block;
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width: inherit;
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margin: 4px;
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margin-bottom: 0;
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}
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#midi-section midi-player::part(control-panel) {
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background: #ff5;
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border: 2px solid #000;
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border-radius: 10px 10px 0 0;
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}
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#midi-section midi-player::part(play-button) {
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color: #353;
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border: 2px solid currentColor;
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background-color: #4d4;
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border-radius: 20px;
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transition: all 0.2s;
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content: "hello";
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}
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#midi-section midi-player::part(play-button):hover {
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color: #0a0;
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background-color: #5f5;
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border-radius: 10px;
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}
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#midi-section midi-player::part(time) {
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font-family: monospace;
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}
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#midi-section midi-visualizer .piano-roll-visualizer {
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background: #ffd;
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border: 2px solid black;
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border-top: none;
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border-radius: 0 0 10px 10px;
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margin: 4px;
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margin-top: 0;
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overflow: auto;
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}
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#midi-section midi-visualizer svg rect.note {
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opacity: 0.6;
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stroke-width: 2;
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}
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#midi-section midi-visualizer svg rect.note[data-instrument="0"] {
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fill: #e22;
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stroke: #500;
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}
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#midi-section midi-visualizer svg rect.note[data-instrument="2"] {
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fill: #2ee;
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stroke: #055;
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}
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#midi-section midi-visualizer svg rect.note[data-is-drum="true"] {
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fill: #888;
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stroke: #888;
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}
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#midi-section midi-visualizer svg rect.note.active {
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opacity: 0.9;
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stroke: #000;
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}
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</style>
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</head>
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<body>
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<section id="midi-section"><midi-player sound-font="" visualizer="#midi-section midi-visualizer"></midi-player><midi-visualizer></midi-visualizer></section>
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<script src="https://cdn.jsdelivr.net/combine/npm/tone@14.7.58,npm/@magenta/music@1.23.1/es6/core.js,npm/focus-visible@5,npm/html-midi-player@1.5.0"></script>
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</body>
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<script>
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function base64ToBlobUrl(base64, mimeType = "audio/midi") {
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const byteCharacters = atob(base64.split(",")[1] || base64);
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const byteNumbers = new Array(byteCharacters.length);
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for (let i = 0; i < byteCharacters.length; i++) {
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byteNumbers[i] = byteCharacters.charCodeAt(i);
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}
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return URL.createObjectURL(new Blob([new Uint8Array(byteNumbers)], { type: mimeType }));
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}
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let midi_data = "{midi_data}";
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document.querySelector("midi-player").src = base64ToBlobUrl(midi_data);
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</script>
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</html>
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