The plugin extracted the wrong HLS playlist URL from their (garbage) JS code. This is fixed now. I've also refactored the plugin and fixed the bad code style, and I implemented ad filtering, as most streams seem to have preroll ads which then cause an unnecessary stream discontinuity. Ad segments apparently are lacking the .ts file extension in the segment URLs, which is used to detect ads. Hopefully this doesn't break actual stream segments. Seemed fine in the streams I checked though. I didn't touch the plugin's authentication logic. No idea if this is working at all. I don't really care though.
$ ./script/test-plugin-urls.py yupptv
:: https://www.yupptv.com/channels/etv-telugu/live
:: 720p, worst, best
:: https://www.yupptv.com/channels/india-today-news/news/25326023/15-jun-2018
:::: This stream requires you to login
!! No streams found
:: https://www.yupptv.com/online-tv/mirror-now/live
:: 360p, 576p, 720p, 1080p, worst, best
:: https://www.yupptv.com/online-tv/wion/live
:: 216p, 360p, 576p, 720p, worst, best
$ streamlink -l debug https://www.yupptv.com/online-tv/mirror-now/live best
[cli][debug] OS: Linux-6.9.9-1-git-x86_64-with-glibc2.40
[cli][debug] Python: 3.12.4
[cli][debug] OpenSSL: OpenSSL 3.3.1 4 Jun 2024
[cli][debug] Streamlink: 6.8.3+7.gb570b3cb
[cli][debug] Dependencies:
[cli][debug] certifi: 2024.7.4
[cli][debug] isodate: 0.6.1
[cli][debug] lxml: 5.2.2
[cli][debug] pycountry: 24.6.1
[cli][debug] pycryptodome: 3.20.0
[cli][debug] PySocks: 1.7.1
[cli][debug] requests: 2.32.3
[cli][debug] trio: 0.26.0
[cli][debug] trio-websocket: 0.11.1
[cli][debug] typing-extensions: 4.12.2
[cli][debug] urllib3: 2.2.2
[cli][debug] websocket-client: 1.8.0
[cli][debug] Arguments:
[cli][debug] url=https://www.yupptv.com/online-tv/mirror-now/live
[cli][debug] stream=['best']
[cli][debug] --loglevel=debug
[cli][debug] --player=/usr/bin/mpv
[cli][info] Found matching plugin yupptv for URL https://www.yupptv.com/online-tv/mirror-now/live
[utils.l10n][debug] Language code: en_US
[cli][info] Available streams: 360p (worst), 576p, 720p, 1080p (best)
[cli][info] Opening stream: 1080p (hls)
[cli][info] Starting player: /usr/bin/mpv
[stream.hls][debug] Reloading playlist
[cli][debug] Pre-buffering 8192 bytes
[stream.hls][debug] First Sequence: 9188494; Last Sequence: 9188499
[stream.hls][debug] Start offset: 0; Duration: None; Start Sequence: 9188497; End Sequence: None
[stream.hls][debug] Adding segment 9188497 to queue
[stream.hls][debug] Adding segment 9188498 to queue
[stream.hls][debug] Adding segment 9188499 to queue
[stream.hls][debug] Discarding segment 9188497
[stream.hls][info] Filtering out segments and pausing stream output
[stream.hls][debug] Discarding segment 9188498
[stream.hls][debug] Discarding segment 9188499
[stream.hls][debug] Reloading playlist
[stream.hls][debug] Adding segment 9188500 to queue
[stream.hls][debug] Adding segment 9188501 to queue
[stream.hls][debug] Adding segment 9188502 to queue
[stream.hls][debug] Discarding segment 9188500
[stream.hls][debug] Discarding segment 9188501
[stream.hls][debug] Discarding segment 9188502
[stream.hls][debug] Reloading playlist
[stream.hls][debug] Adding segment 9188503 to queue
[stream.hls][debug] Adding segment 9188504 to queue
[stream.hls][debug] Adding segment 9188505 to queue
[stream.hls][debug] Discarding segment 9188503
[stream.hls][debug] Discarding segment 9188504
[stream.hls][debug] Discarding segment 9188505
[stream.hls][debug] Reloading playlist
[stream.hls][debug] Adding segment 9188506 to queue
[stream.hls][debug] Adding segment 9188507 to queue
[stream.hls][debug] Adding segment 9188508 to queue
[stream.hls][debug] Discarding segment 9188506
[stream.hls][debug] Discarding segment 9188507
[stream.hls][debug] Discarding segment 9188508
[stream.hls][debug] Reloading playlist
[stream.hls][debug] Adding segment 9188509 to queue
[stream.hls][debug] Writing segment 9188509 to output
[stream.hls][debug] Segment 9188509 complete
[stream.hls][warning] Encountered a stream discontinuity. This is unsupported and will result in incoherent output data.
[stream.hls][info] Resuming stream output
[cli.output][debug] Opening subprocess: ['/usr/bin/mpv', '--force-media-title=https://www.yupptv.com/online-tv/mirror-now/live', '-']
[cli][debug] Writing stream to output
[cli][info] Player closed
[stream.segmented][debug] Closing worker thread
[stream.segmented][debug] Closing writer thread
[cli][info] Stream ended
[cli][info] Closing currently open stream...