I am downloading the series from ErtFlix with yt-dlp, but I have some problems with subtitles. While some of the episodes work fine and I get the subtitles in WebVTT format which easily converts to SRT, some of the episodes contain subtitles only as an MP4 file (1.90 MB), which is quite a big for a subtitle file.
While I can open the MP4 subtitles in Subtitle Edit, the timings appear to be totally messed up, and they contain many double/triple lines. So I can't really use them like that. This happens with every 2nd episode actually. I couldn't extract any subtitle stream from the MP4 file with My MP4Box GUI as well.
Is there any way to get the dash segmented subtitles in WebVTT format with the correct timings from the MPD stream URL, so I could save them in SRT format?
I tried several methods, but none of them worked:
"yt-dlp 2022.07.01.114514.exe" --all-subs --convert-subs srt https://www.ertflix.gr/en/vod/vod.127793-ta-kalytera-mas-chronia-ep2-enas-oyranos-gema...-podosfairakia
[ertflix] vod.127793: Downloading JSON metadata
[ertflix:codename] ta-kalytera-mas-chronia-ep2-enas-oyranos-gematos-podosfairakia: Downloading JSON metadata
[ertflix:codename] ta-kalytera-mas-chronia-ep2-enas-oyranos-gematos-podosfairakia: Downloading m3u8 information
[ertflix:codename] ta-kalytera-mas-chronia-ep2-enas-oyranos-gematos-podosfairakia: Downloading MPD manifest
[info] ta-kalytera-mas-chronia-ep2-enas-oyranos-gematos-podosfairakia: Downloading 1 format(s): hls-4378
[info] Writing video subtitles to: Remember When [ta-kalytera-mas-chronia-ep2-enas-oyranos-gematos-podosfairakia].el.mp4
[dashsegments] Total fragments: 1416
[download] Destination: Remember When [ta-kalytera-mas-chronia-ep2-enas-oyranos-gematos-podosfairakia].el.mp4
[download] 100% of 1.91MiB in 07:23
[SubtitlesConvertor] Converting subtitles
ERROR: Preprocessing: Output file #0 does not contain any stream"yt-dlp 2022.07.01.114514.exe" --write-subs --skip-download --external-downloader aria2c --allow-u "https://ert-vod1.siliconweb.com/bpk-vod/vodext/default/ta-kalytera-mas-hronia-s01-ep02-subs-new/ta-kalytera-mas-hronia-s01-ep02-subs-new/index.mpd" --output sub.webvtt
WARNING: You have asked for UNPLAYABLE formats to be listed/downloaded. This is a developer option intended for debugging.
If you experience any issues while using this option, DO NOT open a bug report
[generic] index: Requesting header
WARNING: [generic] Falling back on generic information extractor.
[generic] index: Downloading webpage
[generic] index: Extracting information
[info] index: Downloading 1 format(s): video=4000496+audio=128000
[info] Writing video subtitles to: sub.webvtt.el.mp4
[dashsegments] Total fragments: 1416
[dashsegments] Fragment downloads will be delegated to aria2c
[download] Destination: sub.webvtt.el.mp4
[aria2c] Downloaded 2000851 bytes 0B/0B][#6fdd5c 0B/0B][#d76968 0B/0B][#6d1c85 0B/0B](+11)
[download] 100% of 1.91MiB in 00:55
I tried looking in the forums but none of the methods worked for me or maybe I missed something. I'd really appreciate any help. Thanks.
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I tried several methods, but none of them worked:Code:
https://ert-vod1.siliconweb.com/bpk-vod/vodext/default/ta-kalytera-mas-hronia-s01-ep02-subs-new/ta-kalytera-mas-hronia-s01-ep02-subs-new/textstream_ell=1000.webvtt
Code:https://nikse.dk/subtitleedit/online
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Thanks for the suggestion!
Yeah, actually I also noticed that my Subtitle Edit version was outdated, so when I got the newest one the MP4 subtitles opened fine without the errors. Sometimes we overlook such obvious things, like checking the version of the software. It was too late though, as my post was already submitted and waiting for approval.
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