vimeo support revamp and bug fixes

- completely reworked vimeo module.
- added support for audio downloads from vimeo.
- added support for chop type of dash for vimeo.
- added ability to choose between progressive and dash vimeo downloads. both to api and settings on frontend.
- added support for single m3u8 playlists. will be useful for future additions and is currently used for vimeo.
- proper error is now shown if there are no matching vimeo videos found
- temporarily disabled douyin support because bytedance killed off old endpoint.
- fixed the issue related to periods in tiktok usernames. (closes #96)
- fixed error text value patching in match module.
- fixed video stream removal for audio only option, wouldn't work in some edge cases.
- minor clean up.

src/modules/stream/stream.js

@@ -17,6 +17,7 @@ export default function(res, ip, id, hmac, exp) {
             case "render":
                 streamLiveRender(streamInfo, res);
                 break;
+            case "videoM3U8":
             case "mute":
                 streamVideoOnly(streamInfo, res);
                 break;

src/modules/stream/types.js

@@ -92,11 +92,15 @@ export function streamAudioOnly(streamInfo, res) {
                 args.push('-vn')
             }
             args = args.concat(metadataManager(streamInfo.metadata))
+        } else {
+            args.push('-vn')
         }
-        let arg = streamInfo.copy ? ffmpegArgs["copy"] : ffmpegArgs["audio"]
-        args = args.concat(arg)
+        let arg = streamInfo.copy ? ffmpegArgs["copy"] : ffmpegArgs["audio"];
+        args = args.concat(arg);
+
         if (ffmpegArgs[streamInfo.audioFormat]) args = args.concat(ffmpegArgs[streamInfo.audioFormat]);
         args.push('-f', streamInfo.audioFormat === "m4a" ? "ipod" : streamInfo.audioFormat, 'pipe:3');
+
         const ffmpegProcess = spawn(ffmpeg, args, {
             windowsHide: true,
             stdio: [
@@ -126,9 +130,11 @@ export function streamVideoOnly(streamInfo, res) {
         let format = streamInfo.filename.split('.')[streamInfo.filename.split('.').length - 1], args = [
             '-loglevel', '-8',
             '-i', streamInfo.urls,
-            '-c', 'copy', '-an'
+            '-c', 'copy'
         ]
-        if (format === "mp4") args.push('-movflags', 'faststart+frag_keyframe+empty_moov')
+        if (streamInfo.mute) args.push('-an');
+        if (streamInfo.service === "vimeo") args.push('-bsf:a', 'aac_adtstoasc');
+        if (format === "mp4") args.push('-movflags', 'faststart+frag_keyframe+empty_moov');
         args.push('-f', format, 'pipe:3');
         const ffmpegProcess = spawn(ffmpeg, args, {
             windowsHide: true,
@@ -138,7 +144,7 @@ export function streamVideoOnly(streamInfo, res) {
             ],
         });
         res.setHeader('Connection', 'keep-alive');
-        res.setHeader('Content-Disposition', `attachment; filename="${streamInfo.filename.split('.')[0]}_mute.${format}"`);
+        res.setHeader('Content-Disposition', `attachment; filename="${streamInfo.filename.split('.')[0]}${streamInfo.mute ? '_mute' : ''}.${format}"`);
         ffmpegProcess.stdio[3].pipe(res);
 
         ffmpegProcess.on('disconnect', () => ffmpegProcess.kill());