[Bugs] Video and audio issues with .MKV; subtitles override each other; etc. (5.12.0)

[joshuactk]

Describe the bug
I built the deb pkg for miteiru 5.12.0 and installed it, but there is only a black screen when playing the video.

To Reproduce
Steps to reproduce the behavior:

1. Unpack source code, add "homepage": "https://github.com/hockyy/miteiru/", into package.json
2. Unpack public.zip into miteiru/archived/
3. npm install
4. npm run script:initrepo
5. npm run build:linux22
6. cd dist
7. sudo dpkg -i miteiru-5.12.0-linux-22.04-amd64.deb
8. miteiru

Expected behavior
Case 1: That I could play an mkv video; however, the mkv video that contained several subs and audio didn't work. Sample video here.
Case 2: I tried a different mkv video from my blu-ray rip of a different anime; however, the audio doesn't work.
Case 3: It does work with mp4. Furthermore, while dragging the first set of JP subs into the window would display the JP subs properly, dragging the EN subs overwrites the JP subs instead of displaying in a separate lane. Also, the app has a bad habit of automatically selecting a language chosen from a previous session.
Case 4: I could not get more screenshots because I get an endless spam of errors...

Screenshots
Build files (step 1-2)

Installation (step 3-4)

Installation (step 5-6)

Installation and Results (step 7-8)

Case 1: Running an MKV file containing several audio and subs. It auto-selected Chinese audio. The audio works, but the video is totally black without subs.

Case 2: Running a large (5.5GB) MKV file containing just 1 audio and 1 sub. Default sub is no sub, and it doesn't show in the video player. The default audio is JP, but I can't hear anything.

Case 3: Running an MP4 file with separate .srt JP and .ass EN subs. It shows from the checkmarks in the title that the application knows there is a CJK and an Other sub, but they latter overrides the CJK instead.

Case 4: Module Errors when running stuff again in the install from .deb

Desktop:

• OS: Kubuntu Linux
• Version 24.04

[hockyy]

ummmm there are User Experience changes that i add without giving any clue

• English subtitle are only loaded if you have .en.srt or like .en.ass as its suffix name, else by default i will load as primary sub
• The previous session language was not a bug, Im tired of clicking languages over and over because im only learning the same language anyway 😝😝😝😝

[hockyy]

• Mkv with embedded sub is not supported yet, i can probably implement it, never explored mkv files in a while, been a while since i watch anime, but ill look into it

[hockyy]

anyways, if video or audio doesnt work, usually its chromium's issue because the codec was not supported

[hockyy]

Fixed your issues @joshuactk, please build 5.12.1

[hockyy]

@joshuactk I added support for multiple audio and subtitle tracks, please build 5.13.0

[hockyy]

ffprobe -version
ffmpeg -version

make sure both of these exist

[hockyy]

btw frieren is SLEEEPY anime i cant understand why people like to watch it

[joshuactk]

So this was what I got when installing 5.13.0

[joshuactk]

As for /opt/miteiru, these were the contents:

[hockyy]

https://github.com/hockyy/miteiru/releases/download/assets/public.zip
@joshuactk are you sure you are using the right assets

[hockyy]

I've tried to build mine, and it works like charm @joshuactk, check the released one

[hockyy]

This had something to do with linux's video decoder, somehow in windows it uses the DirectX3D11 video decoder, which are able to decode hevc

[hockyy]

I've added an option to reencode to x264 as well

[joshuactk]

https://github.com/hockyy/miteiru/releases/download/assets/public.zip @joshuactk are you sure you are using the right assets

I managed to build it correctly. The assets this time were expected to be in miteiru/archived/public/ rather than miteiru/archived/ in older versions

[joshuactk]

I've added an option to reencode to x264 as well

Thank you! Had to use this as a fallback for x265 on Linux.

x265 videos normally work on my device, so I guess the Linux decoder doesn't communicate well with Electron/Chromium?

Was also able to get this feature to work when I cloned and built off of the main git directory rather than the 5.13.0 release source code