Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Save playlists (M3U8) to audio & video files #1233

Merged
merged 1 commit into from
Sep 24, 2023
Merged

Save playlists (M3U8) to audio & video files #1233

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
33 changes: 32 additions & 1 deletion js/hoverzoom.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,8 @@ var hoverZoomPlugins = hoverZoomPlugins || [],
regexForbiddenChars = /[\\/:*?"<>|~]/g,
debug = false,
logger = new Logger(),
hls = null; // https://github.com/video-dev/hls.js/
hls = null, // https://github.com/video-dev/hls.js/
fmp4Data = { 'audio': [], 'video': [] };

function cLog(msg) {
if (debug && msg) {
Expand Down Expand Up @@ -1236,6 +1237,12 @@ var hoverZoom = {
debug: debug,
});

// MP4 buffering
// ref: https://github.com/huzhlei/DASH-to-HLS-Playback
fmp4Data = { 'audio': [], 'video': [] };
hls.on(Hls.Events.BUFFER_APPENDING, function(event, data) {
fmp4Data[data.type].push(data.data);
});
hls.loadSource(srcDetails.url);
hls.attachMedia(video);

Expand Down Expand Up @@ -3169,6 +3176,30 @@ var hoverZoom = {

// download KO: This function must be called during a user gesture => debugger must be closed
downloadResource(srcDetails.url, filename);
savePlaylistAsMP3MP4(filename);
}
// save playlist to 2 distinct files:
// - filename.m3u8.mp4 (video part)
// - filename.m3u8.mp3 (audio part)
function savePlaylistAsMP3MP4(filename) {
const blobVideo = new Blob([arrayConcat(fmp4Data['video'])], {type:'application/octet-stream'});
const blobAudio = new Blob([arrayConcat(fmp4Data['audio'])], {type:'application/octet-stream'});
const blobVideoUrl = URL.createObjectURL(blobVideo);
const blobAudioUrl = URL.createObjectURL(blobAudio);

forceDownload(blobVideoUrl, filename + '.mp4');
forceDownload(blobAudioUrl, filename + '.mp3');
}

function arrayConcat(inputArray) {
var totalLength = inputArray.reduce( function(prev, cur) { return prev + cur.length} ,0);
var result = new Uint8Array(totalLength);
var offset = 0;
inputArray.forEach(function(element) {
result.set(element, offset);
offset += element.length;
});
return result;
}

function getDurationFromVideo() {
Expand Down