Where should the open-in-mpv application be placed in macOS?

[ethuh]

Question Description

Currently, I have placed the config.yml file in the /Library/Application Support/open-in-mpv directory, and the open-in-mpv application is located in the Applications directory of the macOS system (/Applications). The configuration file is provided in the image below. When I click on any video on YouTube or Bilibili and then select the Extension (open-in-mpv) option, I see the mpv player icon briefly flash in the dock but the video does not play successfully. Is there something I have misconfigured? I am not quite sure.

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[Baldomo]

Sorry for getting back to you this late. I have yet to investigate this issue because distribution on MacOS is not easy and it could be caused by several things. I will debug this when I have some free time. Thank you for the bug report!

[andutzu7]

Hello. I checked a bit on the issue, as I was facing the same problem. Initially I believed that the binary was not placed properly, or that the architecture didn't match. That turned out to be false, as the command from the tests runs fine (ex ./open-in-mpv "mpv:///open?url=https%3A%2F%2Fyoutube.com%2Fwatch%3Fv%3DBVdngsy95mY&player=mpv" false)
This mpv opening one second and then closing issue comes from the fact that the protocol part gets stripped away from the URI ( mpv:///link becomes /link ) when you try to open a link from the web browser.
I looked on the info.plist, and the CFBundleURLSchemes definition seems fine.
I tried two hotfixes, none of which worked:
First I attempted to modify the URI string in the web extension, by changing the
const baseURL = 'mpv:///open?' to const baseURL = 'mpv://mpv:///open?'
The resulting URL that is being passed to mpv was correct, but there was an issue with the protocol handling now. Here is the error:
No protocol handler found to open URL mpv:///open?url=https://www.youtube.com/watch?v=qyCVCGg_3Ec&player=mpv The protocol is either unsupported, or was disabled at compile-time.
This error comes from mpv itself.

I also tried to modify the protocol handler in the Info.plist, but that didn't help either.
Here is the snippet:
<key>CFBundleURLTypes</key> <array> <dict> <key>CFBundleURLName</key> <string>open-in-mpv</string> <key>CFBundleTypeRole</key> <string>Viewer</string> <key>CFBundleURLSchemes</key> <array> <string>custom</string> </array> </dict> </array>
As a result of this modifications, the mpv binary doesn't even get called, so I abandoned it.

At the moment I gave up trying to fix this issue, but if you have is any suggestion I could try it.