showvolume's overlay isnt working always!

• mpv version: mpv 0.32.0-120-g3db8715-dirty
• Linux Distribution and Version: Centos 7 (3.10.0-1062.18.1.el7.x86_64)
• GPU Driver Version: 440.64.00 CUDA Version: 10.2
• Sample source: https://www.dropbox.com/s/4sz6wd6cck06t2l/HS_Recording.ts?dl=0

command: https://pastebin.com/T8QSg1Rj
working volumebars log: https://pastebin.com/ASDkixNw
not working volumebars log: https://pastebin.com/8URpi3i5

I have couple of more issues with this feed too!

1. volumebars not always not working in multi-program transport stream MPTS(sometime it plays, sometime not)
2. getting pixelized output (source is clean, because i can play same video in ffplay as well as vlc)
3. sometime getting "audio sync: sync_to_video=1, offset=-3600.000000" in logs and video freezes (ie 2 and 3rd program of sample ts file)
4. if i use "--track-auto-selection=no" and try to set sid, its not working

Problem 3 can be source but other problems are not because of source. So can anyone please help to resolve these? Or please let me know if im doing anything wrong or missing any options.

Thank you.

Start by reproducing the reported behavior with the linked sample transport stream and command, then compare the working and non-working volumebars logs. The issue groups overlay, pixelization, audio-sync freezes, and subtitle-selection problems; done would require isolating the relevant failures and documenting or fixing their causes.