Frontend-Widgets/voice-record.html at main · monapdx/Frontend-Widgets · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>Voice Memo Recorder</title>
  <style>
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
img, video, canvas, svg { max-width: 100%; height: auto; }


    @import url('https://fonts.googleapis.com/css2?family=Oswald:wght@200..700&display=swap');

    body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; padding: 1.5rem; max-width: 32.5rem; margin: 0 auto; }
    h2 {
      font-family: "Oswald", serif;
      font-size: 1.5em; line-height: 1.1; text-transform: uppercase; letter-spacing: .05em;
      margin: 0 0 0.9375rem; padding: 0.3125rem 0.625rem; position: relative;
    }
    .controls { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
    button.record {
      font-family: "Oswald", serif;
      margin-top: 0.625rem; width: 100%;
      background: #007bff; color: #fff; font-size: 1rem; padding: 0.625rem;
      border: none; border-radius: 0.25rem; cursor: pointer; font-weight: bold;
      transition: background .3s ease;
    }
    button.record:hover { background: #0056b3; }
    button.record:disabled {
      background: #7aaef0; cursor: not-allowed;
    }
    audio { margin-top: 1rem; width: 100%; display: block; }
    #downloadButton {
      font-family: "Oswald", serif;
      display: none; margin-top: 0.625rem; padding: 0.625rem 0.75rem; border-radius: 0.25rem;
      background-color: #0056b3; color: #fff; text-decoration: none; font-weight: 700;
      text-align: center; display: inline-block;
    }
    #status { margin-top: 0.5rem; font-size: 0.875rem; opacity: .8; }
  </style>
</head>
<body>
  <h2>Voice Memo Recorder</h2>

  <div class="controls">
    <button id="startButton" class="record">RECORD</button>
    <button id="stopButton" class="record" disabled>STOP</button>
  </div>

  <div id="status" aria-live="polite"></div>

  <audio id="audioPlayback" controls></audio>
  <a id="downloadButton" download="voice-memo.webm">DOWNLOAD</a>

  <script>
    const startButton = document.getElementById("startButton");
    const stopButton = document.getElementById("stopButton");
    const audioPlayback = document.getElementById("audioPlayback");
    const downloadButton = document.getElementById("downloadButton");
    const statusEl = document.getElementById("status");

    let mediaRecorder;
    let audioChunks = [];
    let stream;
    let chosenMimeType = null;

    function pickMimeType() {
      if (!window.MediaRecorder) return null;
      const prefs = [
        "audio/webm;codecs=opus",
        "audio/webm",
        "audio/ogg;codecs=opus",
        "audio/ogg",
        "audio/mp4" // Safari (iOS 14+)
      ];
      for (const t of prefs) {
        if (MediaRecorder.isTypeSupported && MediaRecorder.isTypeSupported(t)) return t;
      }
      return null; // Let the browser choose default
    }

    function updateStatus(msg) { statusEl.textContent = msg || ""; }

    function setUIRecordingState(isRecording) {
      startButton.disabled = isRecording;
      stopButton.disabled = !isRecording;
      if (isRecording) {
        downloadButton.style.display = "none";
        updateStatus("Recording… press STOP when you’re done.");
      } else {
        updateStatus("");
      }
    }

    async function startRecording() {
      if (!navigator.mediaDevices?.getUserMedia) {
        alert("getUserMedia is not supported in this browser.");
        return;
      }

      // Secure context check
      if (location.protocol !== "https:" && location.hostname !== "localhost") {
        updateStatus("Tip: Recording requires HTTPS (or http://localhost).");
      }

      try {
        stream = await navigator.mediaDevices.getUserMedia({
          audio: {
            echoCancellation: true,
            noiseSuppression: true,
          }
        });

        chosenMimeType = pickMimeType();
        mediaRecorder = chosenMimeType
          ? new MediaRecorder(stream, { mimeType: chosenMimeType })
          : new MediaRecorder(stream);

        audioChunks = [];

        mediaRecorder.addEventListener("dataavailable", (event) => {
          if (event.data && event.data.size > 0) audioChunks.push(event.data);
        });

        mediaRecorder.addEventListener("stop", () => {
          const type = chosenMimeType || "audio/webm";
          const audioBlob = new Blob(audioChunks, { type });

          const audioURL = URL.createObjectURL(audioBlob);
          audioPlayback.src = audioURL;

          // File extension based on mime
          const ext = type.includes("ogg") ? "ogg"
                    : type.includes("mp4") ? "m4a"
                    : "webm";
          downloadButton.download = `voice-memo.${ext}`;
          downloadButton.href = audioURL;
          downloadButton.style.display = "inline-block";

          // Release mic
          if (stream) {
            stream.getTracks().forEach(t => t.stop());
            stream = null;
          }

          setUIRecordingState(false);
          updateStatus("Recording ready. You can play or download it.");
        });

        mediaRecorder.start(); // you can pass a timeslice (ms) if you want periodic dataavailable
        setUIRecordingState(true);

      } catch (error) {
        console.error("Microphone access error:", error);
        alert("Could not access your microphone. Please check site permissions and that you’re on HTTPS (or localhost).");
        setUIRecordingState(false);
      }
    }

    function stopRecording() {
      try {
        if (mediaRecorder && mediaRecorder.state === "recording") {
          mediaRecorder.stop();
          updateStatus("Finishing up…");
        } else {
          updateStatus("No active recording to stop.");
        }
      } catch (e) {
        console.error("Stop error:", e);
        updateStatus("Couldn’t stop recording. See console for details.");
      }
    }

    startButton.addEventListener("click", startRecording);
    stopButton.addEventListener("click", stopRecording);
  </script>
</body>
</html>