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wubloader/thrimbletrimmer/scripts/edit.js

1026 lines
35 KiB
JavaScript

var googleUser = null;
var videoInfo;
var currentRange = 1;
window.addEventListener("DOMContentLoaded", async (event) => {
commonPageSetup();
const timeUpdateForm = document.getElementById("stream-time-settings");
timeUpdateForm.addEventListener("submit", (event) => {
event.preventDefault();
if (!videoInfo) {
addError(
"Time updates are ignored before the video metadata has been retrieved from Wubloader."
);
return;
}
const newStartField = document.getElementById("stream-time-setting-start");
const newStart = dateTimeFromBusTime(newStartField.value);
if (!newStart) {
addError("Failed to parse start time");
return;
}
const newEndField = document.getElementById("stream-time-setting-end");
let newEnd = null;
if (newEndField.value !== "") {
newEnd = dateTimeFromBusTime(newEndField.value);
if (!newEnd) {
addError("Failed to parse end time");
return;
}
}
const oldStart = getStartTime();
const startAdjustment = newStart.diff(oldStart, "seconds").seconds;
let newDuration = newEnd === null ? Infinity : newEnd.diff(newStart, "seconds").seconds;
// The video duration isn't precisely the video times, but can be padded by up to the
// segment length on either side.
// This makes the assumption that all segments have the same length.
const segmentLength = getPlaylistData().segments[0].duration;
newDuration += segmentLength * 2;
// Abort for ranges that exceed new times
for (const rangeContainer of document.getElementById("range-definitions").children) {
const rangeStartField = rangeContainer.getElementsByClassName("range-definition-start")[0];
const rangeEndField = rangeContainer.getElementsByClassName("range-definition-end")[0];
const rangeStart = videoPlayerTimeFromVideoHumanTime(rangeStartField.value);
const rangeEnd = videoPlayerTimeFromVideoHumanTime(rangeEndField.value);
if (rangeStart !== null && rangeStart < startAdjustment) {
addError("The specified video load time excludes part of an edited clip range.");
return;
}
if (rangeEnd !== null && rangeEnd + startAdjustment > newDuration) {
addError("The specified video load time excludes part of an edited clip range.");
return;
}
}
globalStartTimeString = wubloaderTimeFromDateTime(newStart);
globalEndTimeString = wubloaderTimeFromDateTime(newEnd);
updateSegmentPlaylist();
let rangeErrorCount = 0;
for (const rangeContainer of document.getElementById("range-definitions").children) {
const rangeStartField = rangeContainer.getElementsByClassName("range-definition-start")[0];
const rangeEndField = rangeContainer.getElementsByClassName("range-definition-end")[0];
const rangeStart = videoPlayerTimeFromVideoHumanTime(rangeStartField.value);
if (rangeStart === null) {
rangeErrorCount++;
} else {
rangeStartField.value = videoHumanTimeFromVideoPlayerTime(startAdjustment + rangeStart);
}
const rangeEnd = videoPlayerTimeFromVideoHumanTime(rangeEndField.value);
if (rangeEnd === null) {
rangeErrorCount++;
} else {
rangeEndField.value = videoHumanTimeFromVideoPlayerTime(startAdjustment + rangeEnd);
}
}
if (rangeErrorCount > 0) {
addError(
"Some ranges couldn't be updated for the new video time endpoints. Please verify the time range values."
);
}
const waveformImage = document.getElementById("waveform");
if (newEnd === null) {
waveformImage.classList.add("hidden");
} else {
updateWaveform();
waveformImage.classList.remove("hidden");
}
});
await loadVideoInfo();
document.getElementById("stream-time-setting-start-pad").addEventListener("click", (_event) => {
const startTimeField = document.getElementById("stream-time-setting-start");
let startTime = startTimeField.value;
startTime = dateTimeFromBusTime(startTime);
startTime = startTime.minus({ minutes: 1 });
startTimeField.value = busTimeFromDateTime(startTime);
});
document.getElementById("stream-time-setting-end-pad").addEventListener("click", (_event) => {
const endTimeField = document.getElementById("stream-time-setting-end");
let endTime = endTimeField.value;
endTime = dateTimeFromBusTime(endTime);
endTime = endTime.plus({ minutes: 1 });
endTimeField.value = busTimeFromDateTime(endTime);
});
const addRangeIcon = document.getElementById("add-range-definition");
addRangeIcon.addEventListener("click", (_event) => {
addRangeDefinition();
});
addRangeIcon.addEventListener("keypress", (event) => {
if (event.key === "Enter") {
addRangeDefinition();
}
});
for (const rangeStartSet of document.getElementsByClassName("range-definition-set-start")) {
rangeStartSet.addEventListener("click", getRangeSetClickHandler("start"));
}
for (const rangeEndSet of document.getElementsByClassName("range-definition-set-end")) {
rangeEndSet.addEventListener("click", getRangeSetClickHandler("end"));
}
for (const rangeStartPlay of document.getElementsByClassName("range-definition-play-start")) {
rangeStartPlay.addEventListener("click", rangePlayFromStartHandler);
}
for (const rangeStart of document.getElementsByClassName("range-definition-start")) {
rangeStart.addEventListener("change", (_event) => {
rangeDataUpdated();
});
}
for (const rangeEnd of document.getElementsByClassName("range-definition-end")) {
rangeEnd.addEventListener("change", (_event) => {
rangeDataUpdated();
});
}
document.getElementById("submit-button").addEventListener("click", (_event) => {
submitVideo();
});
document.getElementById("save-button").addEventListener("click", (_event) => {
saveVideoDraft();
});
document.getElementById("advanced-submission").addEventListener("click", (_event) => {
const advancedOptionsContainer = document.getElementById("advanced-submission-options");
advancedOptionsContainer.classList.toggle("hidden");
});
document
.getElementById("advanced-submission-option-allow-holes")
.addEventListener("change", () => {
updateDownloadLink();
});
document.getElementById("download-type-select").addEventListener("change", () => {
updateDownloadLink();
});
document.getElementById("manual-link-update").addEventListener("click", (_event) => {
const manualLinkDataContainer = document.getElementById("data-correction-manual-link");
manualLinkDataContainer.classList.toggle("hidden");
});
document
.getElementById("data-correction-manual-link-submit")
.addEventListener("click", (_event) => {
setManualVideoLink();
});
document.getElementById("cancel-video-upload").addEventListener("click", (_event) => {
cancelVideoUpload();
});
document.getElementById("reset-entire-video").addEventListener("click", (_event) => {
const forceResetConfirmationContainer = document.getElementById(
"data-correction-force-reset-confirm"
);
forceResetConfirmationContainer.classList.remove("hidden");
});
document.getElementById("data-correction-force-reset-yes").addEventListener("click", (_event) => {
resetVideoRow();
});
document.getElementById("data-correction-force-reset-no").addEventListener("click", (_event) => {
const forceResetConfirmationContainer = document.getElementById(
"data-correction-force-reset-confirm"
);
forceResetConfirmationContainer.classList.add("hidden");
});
document.getElementById("google-auth-sign-out").addEventListener("click", (_event) => {
googleSignOut();
});
});
async function loadVideoInfo() {
const queryParams = new URLSearchParams(window.location.search);
if (!queryParams.has("id")) {
addError("No video ID specified. Failed to load video data.");
return;
}
const videoID = queryParams.get("id");
const dataResponse = await fetch("/thrimshim/" + videoID);
if (!dataResponse.ok) {
addError(
"Failed to load video data. This probably means that the URL is out of date (video ID changed) or that everything is broken (or that the Wubloader host is down)."
);
return;
}
videoInfo = await dataResponse.json();
initializeVideoInfo();
}
async function initializeVideoInfo() {
globalStreamName = videoInfo.video_channel;
globalBusStartTime = DateTime.fromISO(videoInfo.bustime_start, { zone: "utc" });
let eventStartTime = dateTimeFromWubloaderTime(videoInfo.event_start);
let eventEndTime = videoInfo.event_end ? dateTimeFromWubloaderTime(videoInfo.event_end) : null;
// To account for various things (stream delay, just slightly off logging, etc.), we pad the start time by one minute
eventStartTime = eventStartTime.minus({ minutes: 1 });
// To account for various things (stream delay, just slightly off logging, etc.), we pad the end time by one minute.
// To account for the fact that we don't record seconds, but the event could've ended any time in the recorded minute, we pad by an additional minute.
if (eventEndTime) {
eventEndTime = eventEndTime.plus({ minutes: 2 });
}
globalStartTimeString = wubloaderTimeFromDateTime(eventStartTime);
if (eventEndTime) {
globalEndTimeString = wubloaderTimeFromDateTime(eventEndTime);
} else {
document.getElementById("waveform").classList.add("hidden");
}
// If a video was previously edited to points outside the event range, we should expand the loaded video to include the edited range
if (videoInfo.video_ranges && videoInfo.video_ranges.length > 0) {
let earliestStartTime = null;
let latestEndTime = null;
for (const range of videoInfo.video_ranges) {
let startTime = range[0];
let endTime = range[1];
if (startTime) {
startTime = dateTimeFromWubloaderTime(startTime);
} else {
startTime = null;
}
if (endTime) {
endTime = dateTimeFromWubloaderTime(endTime);
} else {
endTime = null;
}
if (!earliestStartTime || (startTime && startTime.diff(earliestStartTime).milliseconds < 0)) {
earliestStartTime = startTime;
}
if (!latestEndTime || (endTime && endTime.diff(latestEndTime).milliseconds > 0)) {
latestEndTime = endTime;
}
}
if (earliestStartTime && earliestStartTime.diff(eventStartTime).milliseconds < 0) {
earliestStartTime = earliestStartTime.minus({ minutes: 1 });
globalStartTimeString = wubloaderTimeFromDateTime(earliestStartTime);
}
if (latestEndTime && latestEndTime.diff(eventEndTime).milliseconds > 0) {
// If we're getting the time from a previous draft edit, we have seconds, so one minute is enough
latestEndTime = latestEndTime.plus({ minutes: 1 });
globalEndTimeString = wubloaderTimeFromDateTime(latestEndTime);
}
}
document.getElementById("stream-time-setting-stream").innerText = globalStreamName;
document.getElementById("stream-time-setting-start").value =
busTimeFromWubloaderTime(globalStartTimeString);
document.getElementById("stream-time-setting-end").value =
busTimeFromWubloaderTime(globalEndTimeString);
updateWaveform();
const titlePrefixElem = document.getElementById("video-info-title-prefix");
titlePrefixElem.innerText = videoInfo.title_prefix;
const titleElem = document.getElementById("video-info-title");
if (videoInfo.video_title) {
titleElem.value = videoInfo.video_title;
} else {
titleElem.value = videoInfo.description;
}
const descriptionElem = document.getElementById("video-info-description");
if (videoInfo.video_description) {
descriptionElem.value = videoInfo.video_description;
} else {
descriptionElem.value = videoInfo.description;
}
const tagsElem = document.getElementById("video-info-tags");
if (videoInfo.video_tags) {
tagsElem.value = videoInfo.video_tags.join(",");
} else {
tagsElem.value = videoInfo.tags.join(",");
}
if (videoInfo.notes) {
const notesTextElem = document.getElementById("video-info-editor-notes");
notesTextElem.innerText = videoInfo.notes;
const notesContainer = document.getElementById("video-info-editor-notes-container");
notesContainer.classList.remove("hidden");
}
let modifiedAdvancedOptions = false;
if (videoInfo.allow_holes) {
const allowHolesCheckbox = document.getElementById("advanced-submission-option-allow-holes");
allowHolesCheckbox.checked = true;
modifiedAdvancedOptions = true;
}
const uploadLocationSelection = document.getElementById(
"advanced-submission-option-upload-location"
);
for (locationName of videoInfo.upload_locations) {
const option = document.createElement("option");
option.value = locationName;
option.innerText = locationName;
if (videoInfo.upload_location === locationName) {
option.selected = true;
}
uploadLocationSelection.appendChild(option);
}
if (uploadLocationSelection.options.selectedIndex > 0) {
modifiedAdvancedOptions = true;
}
if (videoInfo.uploader_whitelist) {
modifiedAdvancedOptions = true;
const uploaderAllowlistBox = document.getElementById(
"advanced-submission-option-uploader-allow"
);
uploaderAllowlistBox.value = videoInfo.uploader_whitelist.join(",");
}
if (modifiedAdvancedOptions) {
const advancedSubmissionContainer = document.getElementById("advanced-submission-options");
advancedSubmissionContainer.classList.remove("hidden");
}
await loadVideoPlayerFromDefaultPlaylist();
const player = getVideoJS();
player.on("loadedmetadata", () => {
const rangeDefinitionsContainer = document.getElementById("range-definitions");
if (videoInfo.video_ranges && videoInfo.video_ranges.length > 0) {
for (let rangeIndex = 0; rangeIndex < videoInfo.video_ranges.length; rangeIndex++) {
if (rangeIndex >= rangeDefinitionsContainer.children.length) {
addRangeDefinition();
}
const startWubloaderTime = videoInfo.video_ranges[rangeIndex][0];
const endWubloaderTime = videoInfo.video_ranges[rangeIndex][1];
if (startWubloaderTime) {
const startField =
rangeDefinitionsContainer.children[rangeIndex].getElementsByClassName(
"range-definition-start"
)[0];
startField.value = videoHumanTimeFromWubloaderTime(startWubloaderTime);
}
if (endWubloaderTime) {
const endField =
rangeDefinitionsContainer.children[rangeIndex].getElementsByClassName(
"range-definition-end"
)[0];
endField.value = videoHumanTimeFromWubloaderTime(endWubloaderTime);
}
}
} else {
const rangeStartField =
rangeDefinitionsContainer.getElementsByClassName("range-definition-start")[0];
rangeStartField.value = videoHumanTimeFromWubloaderTime(globalStartTimeString);
if (globalEndTimeString) {
const rangeEndField =
rangeDefinitionsContainer.getElementsByClassName("range-definition-end")[0];
rangeEndField.value = videoHumanTimeFromWubloaderTime(globalEndTimeString);
}
}
rangeDataUpdated();
});
player.on("timeupdate", () => {
const player = getVideoJS();
const currentTime = player.currentTime();
const duration = player.duration();
const timePercent = (currentTime / duration) * 100;
document.getElementById("waveform-marker").style.left = `${timePercent}%`;
});
}
function updateWaveform() {
let waveformURL = "/waveform/" + globalStreamName + "/" + videoInfo.video_quality + ".png?";
const queryStringParts = startAndEndTimeQueryStringParts();
waveformURL += queryStringParts.join("&");
const waveformElem = document.getElementById("waveform");
waveformElem.src = waveformURL;
}
function googleOnSignIn(googleUserData) {
googleUser = googleUserData;
const signInElem = document.getElementById("google-auth-sign-in");
const signOutElem = document.getElementById("google-auth-sign-out");
signInElem.classList.add("hidden");
signOutElem.classList.remove("hidden");
}
async function googleSignOut() {
if (googleUser) {
googleUser = null;
await gapi.auth2.getAuthInstance().signOut();
const signInElem = document.getElementById("google-auth-sign-in");
const signOutElem = document.getElementById("google-auth-sign-out");
signInElem.classList.remove("hidden");
signOutElem.classList.add("hidden");
}
}
function getStartTime() {
if (!globalStartTimeString) {
return null;
}
return dateTimeFromWubloaderTime(globalStartTimeString);
}
function getEndTime() {
if (!globalEndTimeString) {
return null;
}
return dateTimeFromWubloaderTime(globalEndTimeString);
}
async function submitVideo() {
return sendVideoData(true, false);
}
async function saveVideoDraft() {
return sendVideoData(false, false);
}
async function sendVideoData(edited, overrideChanges) {
const submissionResponseElem = document.getElementById("submission-response");
submissionResponseElem.classList.value = ["submission-response-pending"];
submissionResponseElem.innerText = "Submitting video...";
const rangesData = [];
for (const rangeContainer of document.getElementById("range-definitions").children) {
const rangeStart = rangeContainer.getElementsByClassName("range-definition-start")[0].value;
const rangeEnd = rangeContainer.getElementsByClassName("range-definition-end")[0].value;
const rangeStartSubmit = wubloaderTimeFromVideoHumanTime(rangeStart);
const rangeEndSubmit = wubloaderTimeFromVideoHumanTime(rangeEnd);
if (edited && (!rangeStartSubmit || !rangeEndSubmit)) {
submissionResponseElem.classList.value = ["submission-response-error"];
let errorMessage;
if (!rangeStartSubmit && !rangeEndSubmit) {
errorMessage = `The range endpoints "${rangeStartSubmit}" and "${rangeEndSubmit}" are not valid.`;
} else if (!rangeStartSubmit) {
errorMessage = `The range endpoint "${rangeStartSubmit} is not valid.`;
} else {
errorMessage = `The range endpoint "${rangeEndSubmit}" is not valid.`;
}
submissionResponseElem.innerText = errorMessage;
return;
}
rangesData.push({
start: rangeStartSubmit,
end: rangeEndSubmit,
});
}
const ranges = [];
const transitions = [];
for (const range of rangesData) {
ranges.push([range.start, range.end]);
// In the future, handle transitions
transitions.push(null);
}
// The first range will never have a transition defined, so remove that one
transitions.shift();
const videoTitle = document.getElementById("video-info-title").value;
const videoDescription = document.getElementById("video-info-description").value;
const videoTags = document.getElementById("video-info-tags").value.split(",");
const allowHoles = document.getElementById("advanced-submission-option-allow-holes").checked;
const uploadLocation = document.getElementById(
"advanced-submission-option-upload-location"
).value;
const uploaderAllowlistValue = document.getElementById(
"advanced-submission-option-uploader-allow"
).value;
const uploaderAllowlist = uploaderAllowlistValue ? uploaderAllowlistValue.split(",") : null;
const state = edited ? "EDITED" : "UNEDITED";
const editData = {
video_ranges: ranges,
video_transitions: transitions,
video_title: videoTitle,
video_description: videoDescription,
video_tags: videoTags,
allow_holes: allowHoles,
upload_location: uploadLocation,
video_channel: globalStreamName,
video_quality: videoInfo.video_quality,
uploader_whitelist: uploaderAllowlist,
state: state,
// We also provide some sheet column values to verify data hasn't changed.
sheet_name: videoInfo.sheet_name,
event_start: videoInfo.event_start,
event_end: videoInfo.event_end,
category: videoInfo.category,
description: videoInfo.description,
notes: videoInfo.notes,
tags: videoInfo.tags,
};
if (googleUser) {
editData.token = googleUser.getAuthResponse().id_token;
}
if (overrideChanges) {
editData.overrideChanges = true;
}
const submitResponse = await fetch(`/thrimshim/${videoInfo.id}`, {
method: "POST",
headers: {
Accept: "application/json",
"Content-Type": "application/json",
},
body: JSON.stringify(editData),
});
if (submitResponse.ok) {
submissionResponseElem.classList.value = ["submission-response-success"];
if (edited) {
submissionResponseElem.innerText = `Submitted edit from ${videoStart} to ${videoEnd}`;
} else {
submissionResponseElem.innerText = "Saved draft";
}
} else {
submissionResponseElem.classList.value = ["submission-response-error"];
if (submitResponse.status === 409) {
const serverErrorNode = document.createTextNode(await submitResponse.text());
const submitButton = document.createElement("button");
submitButton.text = "Submit Anyway";
submitButton.addEventListener("click", (_event) => {
sendVideoData(edited, true);
});
submissionResponseElem.innerHTML = "";
submissionResponseElem.appendChild(serverErrorNode);
submissionResponseElem.appendChild(submitButton);
} else if (submitResponse.status === 401) {
submissionResponseElem.innerText = "Unauthorized. Did you remember to sign in?";
} else {
submissionResponseElem.innerText = `${
submitResponse.statusText
}: ${await submitResponse.text()}`;
}
}
}
function generateDownloadURL(timeRanges, downloadType, allowHoles, quality) {
const queryParts = [`type=${downloadType}`, `allow_holes=${allowHoles}`];
for (const range of timeRanges) {
let timeRangeString = "";
if (range.hasOwnProperty("start")) {
timeRangeString += range.start;
}
timeRangeString += ",";
if (range.hasOwnProperty("end")) {
timeRangeString += range.end;
}
queryParts.push(`range=${timeRangeString}`);
}
const downloadURL = `/cut/${globalStreamName}/${quality}.ts?${queryParts.join("&")}`;
return downloadURL;
}
function updateDownloadLink() {
const downloadType = document.getElementById("download-type-select").value;
const allowHoles = document.getElementById("advanced-submission-option-allow-holes").checked;
const timeRanges = [];
for (const rangeContainer of document.getElementById("range-definitions").children) {
const startField = rangeContainer.getElementsByClassName("range-definition-start")[0];
const endField = rangeContainer.getElementsByClassName("range-definition-end")[0];
const timeRangeData = {};
const startTime = wubloaderTimeFromVideoHumanTime(startField.value);
if (startTime) {
timeRangeData.start = startTime;
}
const endTime = wubloaderTimeFromVideoHumanTime(endField.value);
if (endTime) {
timeRangeData.end = endTime;
}
timeRanges.push(timeRangeData);
}
const downloadURL = generateDownloadURL(
timeRanges,
downloadType,
allowHoles,
videoInfo.video_quality
);
document.getElementById("download-link").href = downloadURL;
}
async function setManualVideoLink() {
let uploadLocation;
if (document.getElementById("data-correction-manual-link-youtube").checked) {
uploadLocation = "youtube-manual";
} else {
uploadLocation = "manual";
}
const link = document.getElementById("data-correction-manual-link-entry").value;
const request = {
link: link,
upload_location: uploadLocation,
};
if (googleUser) {
request.token = googleUser.getAuthResponse().id_token;
}
const responseElem = document.getElementById("data-correction-manual-link-response");
responseElem.innerText = "Submitting link...";
const response = await fetch(`/thrimshim/manual-link/${videoInfo.id}`, {
method: "POST",
headers: {
Accept: "application/json",
"Content-Type": "application/json",
},
body: JSON.stringify(request),
});
if (response.ok) {
responseElem.innerText = `Manual link set to ${link}`;
} else {
responseElem.innerText = `${response.statusText}: ${await response.text()}`;
}
}
async function cancelVideoUpload() {
const request = {};
if (googleUser) {
request.token = googleUser.getAuthResponse().id_token;
}
const responseElem = document.getElementById("data-correction-cancel-response");
responseElem.innerText = "Submitting cancel request...";
const response = await fetch(`/thrimshim/reset/${videoInfo.id}?force=false`, {
method: "POST",
headers: {
Accept: "application/json",
"Content-Type": "application/json",
},
body: JSON.stringify(request),
});
if (response.ok) {
responseElem.innerText = "Row has been cancelled. Reloading...";
setTimeout(() => {
window.location.reload();
}, 1000);
} else {
responseElem.innerText = `${response.statusText}: ${await response.text()}`;
}
}
async function resetVideoRow() {
const request = {};
if (googleUser) {
request.token = googleUser.getAuthResponse().id_token;
}
const responseElem = document.getElementById("data-correction-cancel-response");
responseElem.innerText = "Submitting reset request...";
const response = await fetch(`/thrimshim/reset/${videoInfo.id}?force=true`, {
method: "POST",
headers: {
Accept: "application/json",
"Content-Type": "application/json",
},
body: JSON.stringify(request),
});
if (response.ok) {
responseElem.innerText = "Row has been reset. Reloading...";
setTimeout(() => {
window.location.reload();
}, 1000);
} else {
responseElem.innerText = `${response.statusText}: ${await response.text()}`;
}
}
function addRangeDefinition() {
const newRangeDOM = rangeDefinitionDOM();
const rangeContainer = document.getElementById("range-definitions");
rangeContainer.appendChild(newRangeDOM);
}
function rangeDefinitionDOM() {
const rangeContainer = document.createElement("div");
rangeContainer.classList.add("range-definition-removable");
rangeContainer.classList.add("range-definition-times");
const rangeStart = document.createElement("input");
rangeStart.type = "text";
rangeStart.classList.add("range-definition-start");
const rangeStartSet = document.createElement("img");
rangeStartSet.src = "images/pencil.png";
rangeStartSet.alt = "Set range start point to current video time";
rangeStartSet.classList.add("range-definition-set-start");
rangeStartSet.classList.add("click");
const rangeStartPlay = document.createElement("img");
rangeStartPlay.src = "images/play_to.png";
rangeStartPlay.alt = "Play from start point";
rangeStartPlay.classList.add("range-definition-play-start");
rangeStartPlay.classList.add("click");
const rangeTimeGap = document.createElement("div");
rangeTimeGap.classList.add("range-definition-between-time-gap");
const rangeEnd = document.createElement("input");
rangeEnd.type = "text";
rangeEnd.classList.add("range-definition-end");
const rangeEndSet = document.createElement("img");
rangeEndSet.src = "images/pencil.png";
rangeEndSet.alt = "Set range end point to current video time";
rangeEndSet.classList.add("range-definition-set-end");
rangeEndSet.classList.add("click");
const removeRange = document.createElement("img");
removeRange.alt = "Remove range";
removeRange.src = "images/minus.png";
removeRange.classList.add("range-definition-remove");
removeRange.classList.add("click");
rangeStartSet.addEventListener("click", getRangeSetClickHandler("start"));
rangeStartPlay.addEventListener("click", rangePlayFromStartHandler);
rangeEndSet.addEventListener("click", getRangeSetClickHandler("end"));
removeRange.addEventListener("click", (event) => {
let rangeContainer = event.currentTarget;
while (rangeContainer && !rangeContainer.classList.contains("range-definition-removable")) {
rangeContainer = rangeContainer.parentElement;
}
if (rangeContainer) {
const rangeParent = rangeContainer.parentNode;
for (let rangeNum = 0; rangeNum < rangeParent.children.length; rangeNum++) {
if (rangeContainer === rangeParent.children[rangeNum]) {
if (rangeNum + 1 <= currentRange) {
// currentRange is 1-indexed to index into DOM with querySelector
currentRange--;
break;
}
}
}
rangeParent.removeChild(rangeContainer);
updateCurrentRangeIndicator();
rangeDataUpdated();
}
});
const currentRangeMarker = document.createElement("img");
currentRangeMarker.alt = "Range affected by keyboard shortcuts";
currentRangeMarker.title = "Range affected by keyboard shortcuts";
currentRangeMarker.src = "images/arrow.png";
currentRangeMarker.classList.add("range-definition-current");
currentRangeMarker.classList.add("hidden");
rangeContainer.appendChild(rangeStart);
rangeContainer.appendChild(rangeStartSet);
rangeContainer.appendChild(rangeStartPlay);
rangeContainer.appendChild(rangeTimeGap);
rangeContainer.appendChild(rangeEnd);
rangeContainer.appendChild(rangeEndSet);
rangeContainer.appendChild(removeRange);
rangeContainer.appendChild(currentRangeMarker);
return rangeContainer;
}
function getRangeSetClickHandler(startOrEnd) {
return (event) => {
const setButton = event.currentTarget;
const setField = setButton.parentElement.getElementsByClassName(
`range-definition-${startOrEnd}`
)[0];
const player = getVideoJS();
const videoPlayerTime = player.currentTime();
setField.value = videoHumanTimeFromVideoPlayerTime(videoPlayerTime);
rangeDataUpdated();
};
}
function moveToNextRange() {
currentRange++;
if (currentRange > document.getElementById("range-definitions").children.length) {
addRangeDefinition();
}
updateCurrentRangeIndicator();
}
function moveToPreviousRange() {
if (currentRange <= 1) {
return;
}
currentRange--;
updateCurrentRangeIndicator();
}
function updateCurrentRangeIndicator() {
for (let arrowElem of document.getElementsByClassName("range-definition-current")) {
arrowElem.classList.add("hidden");
}
document
.querySelector(`#range-definitions > div:nth-child(${currentRange}) .range-definition-current`)
.classList.remove("hidden");
}
function rangePlayFromStartHandler(event) {
const playButton = event.currentTarget;
const startField = playButton.parentElement.getElementsByClassName("range-definition-start")[0];
const startTime = videoPlayerTimeFromVideoHumanTime(startField.value);
if (startTime === null) {
addError("Couldn't play from range start: failed to parse time");
return;
}
const player = getVideoJS();
player.currentTime(startTime);
}
function rangeDataUpdated() {
const clipBar = document.getElementById("clip-bar");
clipBar.innerHTML = "";
const player = getVideoJS();
const videoDuration = player.duration();
for (let rangeDefinition of document.getElementById("range-definitions").children) {
const rangeStartField = rangeDefinition.getElementsByClassName("range-definition-start")[0];
const rangeEndField = rangeDefinition.getElementsByClassName("range-definition-end")[0];
const rangeStart = videoPlayerTimeFromVideoHumanTime(rangeStartField.value);
const rangeEnd = videoPlayerTimeFromVideoHumanTime(rangeEndField.value);
if (rangeStart === null || rangeEnd === null) {
continue;
}
const rangeStartPercentage = (rangeStart / videoDuration) * 100;
const rangeEndPercentage = (rangeEnd / videoDuration) * 100;
const widthPercentage = rangeEndPercentage - rangeStartPercentage;
const marker = document.createElement("div");
marker.style.width = `${widthPercentage}%`;
marker.style.left = `${rangeStartPercentage}%`;
clipBar.appendChild(marker);
}
updateDownloadLink();
}
function setCurrentRangeStartToVideoTime() {
const rangeStartField = document.querySelector(
`#range-definitions > div:nth-child(${currentRange}) .range-definition-start`
);
const player = getVideoJS();
rangeStartField.value = videoHumanTimeFromVideoPlayerTime(player.currentTime());
rangeDataUpdated();
}
function setCurrentRangeEndToVideoTime() {
const rangeEndField = document.querySelector(
`#range-definitions > div:nth-child(${currentRange}) .range-definition-end`
);
const player = getVideoJS();
rangeEndField.value = videoHumanTimeFromVideoPlayerTime(player.currentTime());
rangeDataUpdated();
}
function videoPlayerTimeFromWubloaderTime(wubloaderTime) {
const videoPlaylist = getPlaylistData();
const wubloaderDateTime = dateTimeFromWubloaderTime(wubloaderTime);
let highestDiscontinuitySegmentBefore = 0;
for (start of videoPlaylist.discontinuityStarts) {
const discontinuityStartSegment = videoPlaylist.segments[start];
const discontinuityStartDateTime = DateTime.fromJSDate(
discontinuityStartSegment.dateTimeObject,
{ zone: "utc" }
);
const highestDiscontinuitySegmentDateTime = DateTime.fromJSDate(
videoPlaylist.segments[highestDiscontinuitySegmentBefore].dateTimeObject,
{ zone: "utc" }
);
if (
discontinuityStartDateTime.diff(wubloaderDateTime).milliseconds < 0 && // Discontinuity starts before the provided time
discontinuityStartDateTime.diff(highestDiscontinuitySegmentDateTime).milliseconds > 0 // Discontinuity starts after the latest found discontinuity
) {
highestDiscontinuitySegmentBefore = start;
}
}
let highestDiscontinuitySegmentStart = 0;
for (let segment = 0; segment < highestDiscontinuitySegmentBefore; segment++) {
highestDiscontinuitySegmentStart += videoPlaylist.segments[segment].duration;
}
const highestDiscontinuitySegmentDateTime = DateTime.fromJSDate(
videoPlaylist.segments[highestDiscontinuitySegmentBefore].dateTimeObject,
{ zone: "utc" }
);
return (
highestDiscontinuitySegmentStart +
wubloaderDateTime.diff(highestDiscontinuitySegmentDateTime, "seconds").seconds
);
}
function dateTimeFromVideoPlayerTime(videoPlayerTime) {
const videoPlaylist = getPlaylistData();
let segmentStartTime = 0;
let segmentDateObj;
// Segments have start and end video player times on them, but only if the segments are already loaded.
// This is not the case before the video is loaded for the first time, or outside the video's buffer if it hasn't played that far/part.
for (segment of videoPlaylist.segments) {
const segmentEndTime = segmentStartTime + segment.duration;
if (segmentStartTime <= videoPlayerTime && segmentEndTime >= videoPlayerTime) {
segmentDateObj = segment.dateTimeObject;
break;
}
segmentStartTime = segmentEndTime;
}
if (segmentDateObj === undefined) {
return null;
}
let wubloaderDateTime = DateTime.fromJSDate(segmentDateObj, { zone: "utc" });
const offset = videoPlayerTime - segmentStartTime;
return wubloaderDateTime.plus({ seconds: offset });
}
function wubloaderTimeFromVideoPlayerTime(videoPlayerTime) {
const dt = dateTimeFromVideoPlayerTime(videoPlayerTime);
return wubloaderTimeFromDateTime(dt);
}
function videoHumanTimeFromVideoPlayerTime(videoPlayerTime) {
const minutes = Math.floor(videoPlayerTime / 60);
let seconds = Math.floor(videoPlayerTime % 60);
let milliseconds = Math.floor((videoPlayerTime * 1000) % 1000);
while (seconds.toString().length < 2) {
seconds = `0${seconds}`;
}
while (milliseconds.toString().length < 3) {
milliseconds = `0${milliseconds}`;
}
return `${minutes}:${seconds}.${milliseconds}`;
}
function videoPlayerTimeFromVideoHumanTime(videoHumanTime) {
let timeParts = videoHumanTime.split(":", 2);
let minutes;
let seconds;
if (timeParts.length < 2) {
minutes = 0;
seconds = +timeParts[0];
} else {
minutes = parseInt(timeParts[0]);
seconds = +timeParts[1];
}
if (isNaN(minutes) || isNaN(seconds)) {
return null;
}
return minutes * 60 + seconds;
}
function videoHumanTimeFromWubloaderTime(wubloaderTime) {
const videoPlayerTime = videoPlayerTimeFromWubloaderTime(wubloaderTime);
return videoHumanTimeFromVideoPlayerTime(videoPlayerTime);
}
function wubloaderTimeFromVideoHumanTime(videoHumanTime) {
const videoPlayerTime = videoPlayerTimeFromVideoHumanTime(videoHumanTime);
if (videoPlayerTime === null) {
return null;
}
return wubloaderTimeFromVideoPlayerTime(videoPlayerTime);
}
function getPlaylistData() {
const player = getVideoJS();
// Currently, this only supports a single playlist. We only give one playlist (or master playlist file) to VideoJS,
// so this should be fine for now. If we need to support multiple playlists in the future (varying quality levels,
// etc.), this and all callers will need to be updated.
return player.tech("OK").vhs.playlists.master.playlists[0];
}