wuggy/Dactyloidae
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Finish off PiP

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This commit is contained in:
wuggy 2026-09-13 12:18:07 -07:00
commit 55a53a2576
14 changed files with 293 additions and 21 deletions
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48
browser/base/content/pictureInPictureContent.js
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@ -12,7 +12,8 @@ var still = null;
var observer = null;
var sourceWindow = null;
var initialized = false;
var events = ["play", "pause", "volumechange", "ended", "seeked", "resize"];
var events = ["play", "pause", "volumechange", "ended", "seeking", "seeked",
"resize", "timeupdate", "durationchange", "progress"];
function update() {
if (!source) {
@ -26,8 +27,40 @@ function update() {
still.height = source.videoHeight;
still.getContext("2d").drawImage(source, 0, 0, still.width, still.height);
}
sendAsyncMessage("PictureInPicture:State",
{paused: source.paused || source.ended, muted: source.muted});
let ranges = source.seekable;
sendAsyncMessage("PictureInPicture:State", {
paused: source.paused || source.ended,
muted: source.muted,
currentTime: source.currentTime,
duration: source.duration,
seekableStart: ranges.length ? ranges.start(0) : 0,
seekableEnd: ranges.length ? ranges.end(ranges.length - 1) : 0,
});
}
function seekTo(time) {
if (typeof time != "number" || !Number.isFinite(time)) {
return;
}
let ranges = source.seekable;
// Live streams may have no seekable range, or a moving DVR window.
// Pick the nearest valid point, including when there are gaps.
let position = null;
let distance = Infinity;
for (let i = 0; i < ranges.length; i++) {
let candidate = Math.max(ranges.start(i), Math.min(time, ranges.end(i)));
if (Math.abs(candidate - time) < distance) {
distance = Math.abs(candidate - time);
position = candidate;
}
}
if (position !== null) {
try {
source.currentTime = position;
} catch (error) {
Components.utils.reportError(error);
}
}
}
function cleanup() {
@ -82,7 +115,11 @@ addMessageListener("PictureInPicture:Init", message => {
element.style.cssText = "position:absolute;width:100%;height:100%;object-fit:contain";
doc.body.appendChild(element);
}
output.muted = true; // Audio continues to come from the originating video.
// Decoder capture redirects audio to the captured stream. Its samples
// already include the source's volume/mute settings. MediaStream sources
// keep their own audio output, so mute only that case to avoid an echo.
output.muted = !!source.srcObject;
output.volume = 1;
source.mozPictureInPicture = true;
stream = source.mozCaptureStream();
output.srcObject = stream;
@ -124,6 +161,9 @@ addMessageListener("PictureInPicture:Command", message => {
case "mute":
source.muted = !source.muted;
break;
case "seek":
seekTo(message.data.time);
break;
case "close":
cleanup();
break;