mirror of
https://github.com/SrIzan10/vdo.ninja.git
synced 2026-05-01 11:05:24 +00:00
241 lines
8.5 KiB
HTML
241 lines
8.5 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>MIDI Recorder</title>
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<script src="../thirdparty/webmidi3.js"></script>
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<style>
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body {
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font-family: 'Arial', sans-serif;
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background-color: #2c3e50;
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background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4' viewBox='0 0 4 4'%3E%3Cpath fill='%234a6b8a' fill-opacity='0.4' d='M1 3h1v1H1V3zm2-2h1v1H3V1z'%3E%3C/path%3E%3C/svg%3E");
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color: #ecf0f1;
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margin: 0;
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padding: 0;
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display: flex;
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justify-content: center;
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align-items: center;
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min-height: 100vh;
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}
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.container {
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background-color: rgba(44, 62, 80, 0.8);
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border-radius: 10px;
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padding: 30px;
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box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
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max-width: 600px;
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width: 100%;
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}
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h1 {
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text-align: center;
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color: #3498db;
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margin-bottom: 20px;
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text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
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}
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select, button {
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display: block;
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width: 100%;
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padding: 10px;
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margin: 10px 0;
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border: none;
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border-radius: 5px;
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font-size: 16px;
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}
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select {
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background-color: #34495e;
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color: #ecf0f1;
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}
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button {
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background-color: #3498db;
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color: white;
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cursor: pointer;
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transition: background-color 0.3s, transform 0.1s;
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box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
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}
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button:hover {
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background-color: #2980b9;
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}
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button:active {
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transform: translateY(1px);
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}
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button:disabled {
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background-color: #95a5a6;
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cursor: not-allowed;
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}
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#status, #dataCount {
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margin-top: 20px;
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text-align: center;
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font-weight: bold;
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}
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#debugInfo {
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margin-top: 20px;
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padding: 10px;
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background-color: rgba(52, 73, 94, 0.7);
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border-radius: 5px;
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font-size: 14px;
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max-height: 200px;
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overflow-y: auto;
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}
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#debugInfo p {
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margin: 5px 0;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h1>MIDI Recorder</h1>
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<select id="midiInput"></select>
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<button id="startRecord">Start Recording</button>
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<button id="stopRecord" disabled>Stop Recording</button>
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<button id="download" disabled>Download Data</button>
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<div id="status"></div>
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<div id="dataCount"></div>
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<div id="debugInfo"></div>
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</div>
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<script>
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let midiData = [];
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let isRecording = false;
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let selectedInput = null;
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const midiInputSelect = document.getElementById('midiInput');
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const startRecordButton = document.getElementById('startRecord');
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const stopRecordButton = document.getElementById('stopRecord');
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const downloadButton = document.getElementById('download');
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const statusDiv = document.getElementById('status');
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const dataCountDiv = document.getElementById('dataCount');
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const debugInfoDiv = document.getElementById('debugInfo');
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WebMidi
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.enable({ sysex: true })
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.then(onWebMidiEnabled)
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.catch(err => {
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console.error("WebMidi could not be enabled:", err);
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debugInfoDiv.innerHTML += `<p>Error enabling WebMidi: ${err.message}</p>`;
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});
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function onWebMidiEnabled() {
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console.log("WebMidi enabled!");
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debugInfoDiv.innerHTML += "<p>WebMidi enabled successfully!</p>";
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updateMidiInputs();
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WebMidi.addListener("connected", updateMidiInputs);
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WebMidi.addListener("disconnected", updateMidiInputs);
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}
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function updateMidiInputs() {
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midiInputSelect.innerHTML = '';
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WebMidi.inputs.forEach((input, index) => {
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const option = new Option(input.name, input.id);
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midiInputSelect.add(option);
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console.log(`Input ${index}: ${input.name} (${input.id})`);
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debugInfoDiv.innerHTML += `<p>Input ${index}: ${input.name} (${input.id})</p>`;
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});
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console.log("MIDI inputs updated:", WebMidi.inputs);
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debugInfoDiv.innerHTML += `<p>Total MIDI inputs: ${WebMidi.inputs.length}</p>`;
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// Automatically select the first input if available
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if (WebMidi.inputs.length > 0) {
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midiInputSelect.selectedIndex = 0;
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onMidiInputChange();
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}
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}
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midiInputSelect.addEventListener('change', onMidiInputChange);
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function onMidiInputChange() {
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const selectedId = midiInputSelect.value;
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console.log("Selected input ID:", selectedId);
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debugInfoDiv.innerHTML += `<p>Selected input ID: ${selectedId}</p>`;
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if (selectedInput) {
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selectedInput.removeListener("midimessage");
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}
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selectedInput = WebMidi.getInputById(selectedId);
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console.log("Selected input:", selectedInput);
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debugInfoDiv.innerHTML += `<p>Selected input: ${selectedInput ? selectedInput.name : 'None'}</p>`;
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startRecordButton.disabled = !selectedInput;
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statusDiv.textContent = selectedInput ? `Selected: ${selectedInput.name}` : 'No input selected';
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}
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startRecordButton.addEventListener('click', () => {
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if (!selectedInput) {
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console.error("No MIDI input selected");
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debugInfoDiv.innerHTML += "<p>Error: No MIDI input selected</p>";
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return;
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}
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midiData = [];
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isRecording = true;
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updateButtonStates();
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console.log("Starting recording on input:", selectedInput.name);
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debugInfoDiv.innerHTML += `<p>Starting recording on input: ${selectedInput.name}</p>`;
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selectedInput.addListener("midimessage", event => {
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console.log("MIDI message received:", event.data);
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if (isRecording) {
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midiData.push({
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timestamp: event.timestamp,
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data: Array.from(event.data)
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});
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updateDataCount();
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if (midiData.length >= 1000) {
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stopRecording();
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}
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}
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});
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statusDiv.textContent = "Recording... (Send MIDI data to see it captured)";
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});
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stopRecordButton.addEventListener('click', stopRecording);
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function stopRecording() {
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console.log("Stopping recording");
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debugInfoDiv.innerHTML += "<p>Stopping recording</p>";
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isRecording = false;
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updateButtonStates();
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if (selectedInput) {
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selectedInput.removeListener("midimessage");
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}
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statusDiv.textContent = "Recording stopped.";
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}
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downloadButton.addEventListener('click', () => {
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console.log("Downloading data:", midiData);
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const dataStr = JSON.stringify(midiData, null, 2);
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const blob = new Blob([dataStr], { type: "application/json" });
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const url = URL.createObjectURL(blob);
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const a = document.createElement("a");
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a.href = url;
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a.download = "midi_data.json";
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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URL.revokeObjectURL(url);
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});
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function updateButtonStates() {
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startRecordButton.disabled = isRecording || !selectedInput;
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stopRecordButton.disabled = !isRecording;
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downloadButton.disabled = midiData.length === 0;
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}
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function updateDataCount() {
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dataCountDiv.textContent = `MIDI messages captured: ${midiData.length}`;
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}
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</script>
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</body>
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</html> |