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fix: make caption overlay line count configurable

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Fixes collabora/WhisperLive#486
This commit is contained in:
nightcityblade
2026-05-20 23:13:46 +08:00
committed by Aaron Boxer
parent 6242ad7f81
commit d006d4abb3
6 changed files with 88 additions and 34 deletions
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Audio-Transcription-Firefox/content.js
+19 -16
View File
@@ -162,6 +162,7 @@ var elem_text = null;
var segments = [];
var text_segments = [];
var captionLineCount = 3;
function initPopupElement() {
if (document.getElementById('popupElement')) {
@@ -209,22 +210,23 @@ function showPopup(customText) {
}
function init_element() {
function init_element(lines = 3) {
captionLineCount = Math.min(Math.max(parseInt(lines, 10) || 3, 1), 8);
if (document.getElementById('transcription')) {
return;
}
elem_container = document.createElement('div');
elem_container.id = "transcription";
elem_container.style.cssText = 'padding-top:16px;font-size:18px;line-height:18px;position:fixed;top:85%;left:50%;transform:translate(-50%,-50%);width:500px;height:90px;opacity:0.9;z-index:100;background:black;border-radius:10px;color:white;';
elem_container.style.cssText = 'padding-top:16px;font-size:18px;line-height:18px;position:fixed;top:85%;left:50%;transform:translate(-50%,-50%);width:500px;height:' + (captionLineCount * 30) + 'px;opacity:0.9;z-index:100;background:black;border-radius:10px;color:white;';
for (var i = 0; i < 4; i++) {
for (var i = 0; i <= captionLineCount; i++) {
elem_text = document.createElement('span');
elem_text.style.cssText = 'position: absolute;padding-left:16px;padding-right:16px;';
elem_text.id = "t" + i;
elem_container.appendChild(elem_text);
if (i == 3) {
if (i == captionLineCount) {
elem_text.style.top = "-1000px"
}
}
@@ -318,7 +320,7 @@ function get_lines(elem, line_height) {
function remove_element() {
var elem = document.getElementById('transcription')
for (var i = 0; i < 4; i++) {
for (var i = 0; i <= captionLineCount; i++) {
document.getElementById("t" + i).remove();
}
elem.remove()
@@ -327,6 +329,7 @@ function remove_element() {
browser.runtime.onMessage.addListener((request, sender, sendResponse) => {
const { action, data } = request;
const saveCaption = data.saveCaption || false;
const captionLines = data.captionLines || captionLineCount;
if (action === "startCapture") {
isCapturing = true;
@@ -364,7 +367,7 @@ browser.runtime.onMessage.addListener((request, sender, sendResponse) => {
} else if (action === "show_transcript"){
if (!isCapturing) return;
init_element();
init_element(captionLines);
message = JSON.parse(data.data);
message = message["segments"];
@@ -391,10 +394,10 @@ browser.runtime.onMessage.addListener((request, sender, sendResponse) => {
}
text = text.replace(/(\r\n|\n|\r)/gm, "");
var elem = document.getElementById('t3');
var elem = document.getElementById('t' + captionLineCount);
elem.textContent = text;
var line_height_style = getStyle('t3', 'line-height');
var line_height_style = getStyle('t' + captionLineCount, 'line-height');
var line_height = parseInt(line_height_style.substring(0, line_height_style.length - 2));
var divHeight = elem.offsetHeight;
var lines = divHeight / line_height;
@@ -404,27 +407,27 @@ browser.runtime.onMessage.addListener((request, sender, sendResponse) => {
elem.textContent = '';
if (text_segments.length > 2) {
for (var i = 0; i < 3; i++) {
document.getElementById('t' + i).textContent = text_segments[text_segments.length - 3 + i];
if (text_segments.length > captionLineCount - 1) {
for (var i = 0; i < captionLineCount; i++) {
document.getElementById('t' + i).textContent = text_segments[text_segments.length - captionLineCount + i];
}
} else {
for (var i = 0; i < 3; i++) {
for (var i = 0; i < captionLineCount; i++) {
document.getElementById('t' + i).textContent = '';
}
}
if (text_segments.length <= 2) {
if (text_segments.length <= captionLineCount - 1) {
for (var i = 0; i < text_segments.length; i++) {
document.getElementById('t' + i).textContent = text_segments[i];
}
} else {
for (var i = 0; i < 3; i++) {
document.getElementById('t' + i).textContent = text_segments[text_segments.length - 3 + i];
for (var i = 0; i < captionLineCount; i++) {
document.getElementById('t' + i).textContent = text_segments[text_segments.length - captionLineCount + i];
}
}
for (var i = 1; i < 3; i++)
for (var i = 1; i < captionLineCount; i++)
{
var parent_elem = document.getElementById('t' + (i - 1));
var elem = document.getElementById('t' + i);
Audio-Transcription-Firefox/popup.html
+8
View File
@@ -24,6 +24,14 @@
<label for="saveCaption">Download SRT file at Stop Capture</label>
</div>
<textarea id="waitTextBox" style="display: none;"></textarea>
<div class="dropdown-container">
<label for="captionLinesDropdown">Caption Lines:</label>
<select id="captionLinesDropdown">
<option value="3" selected>3 lines</option>
<option value="5">5 lines</option>
<option value="8">8 lines</option>
</select>
</div>
<div class="dropdown-container">
<label for="languageDropdown">Select Language:</label>
<select id="languageDropdown">
Audio-Transcription-Firefox/popup.js
+17 -1
View File
@@ -8,9 +8,11 @@ document.addEventListener("DOMContentLoaded", function() {
const languageDropdown = document.getElementById('languageDropdown');
const taskDropdown = document.getElementById('taskDropdown');
const modelSizeDropdown = document.getElementById('modelSizeDropdown');
const captionLinesDropdown = document.getElementById('captionLinesDropdown');
let selectedLanguage = null;
let selectedTask = taskDropdown.value;
let selectedModelSize = modelSizeDropdown.value;
let selectedCaptionLines = captionLinesDropdown.value;
browser.storage.local.get("capturingState")
@@ -69,6 +71,13 @@ document.addEventListener("DOMContentLoaded", function() {
}
});
browser.storage.local.get("selectedCaptionLines", ({ selectedCaptionLines: storedCaptionLines }) => {
if (storedCaptionLines !== undefined) {
captionLinesDropdown.value = storedCaptionLines;
selectedCaptionLines = storedCaptionLines;
}
});
startButton.addEventListener("click", function() {
let host = "localhost";
let port = "9090";
@@ -93,6 +102,7 @@ document.addEventListener("DOMContentLoaded", function() {
modelSize: selectedModelSize,
useVad: useVadCheckbox.checked,
saveCaption: saveCaptionCheckbox.checked,
captionLines: Number(selectedCaptionLines),
}
});
toggleCaptureButtons(true);
@@ -135,7 +145,8 @@ document.addEventListener("DOMContentLoaded", function() {
saveCaptionCheckbox.disabled = isCapturing;
modelSizeDropdown.disabled = isCapturing;
languageDropdown.disabled = isCapturing;
taskDropdown.disabled = isCapturing;
taskDropdown.disabled = isCapturing;
captionLinesDropdown.disabled = isCapturing;
startButton.classList.toggle("disabled", isCapturing);
stopButton.classList.toggle("disabled", !isCapturing);
}
@@ -175,6 +186,11 @@ document.addEventListener("DOMContentLoaded", function() {
browser.storage.local.set({ selectedModelSize });
});
captionLinesDropdown.addEventListener('change', function() {
selectedCaptionLines = captionLinesDropdown.value;
browser.storage.local.set({ selectedCaptionLines });
});
browser.runtime.onMessage.addListener((request, sender, sendResponse) => {
if (request.action === "updateSelectedLanguage") {
const detectedLanguage = request.data;