Non American English Voices crash the SAPI4 Server when used

[tetyys]

Non American English Voices crash the SAPI4 Server when used

[Daisreich]

i mean technical details... like a stack trace?

whenever i manage to get the server back up, i will see if there is a stacktrace

[TETYYS]

the web server shouldn't close even if voice generation crashes, so more details needed

[Daisreich]

whenever i use a voice that is another language other than American English, the server refuses to generate the speech with the voice and the sapi4.exe executable crashes without warning

[TETYYS]

i mean technical details... like a stack trace?

[TETYYS]

If you have a similar issue please create another ticket. Otherwise, if you can't provide more details, please stop commenting.

[Daisreich]

just put the server back up and tried the british english voices, after trying to generate speech, it results in a bad gateway error and no error was logged in the console

[TETYYS]

Do you see anything in server console where web application is hosted?

Note that the guide in README is quite outdated, current version generates audio to a file instead of tcp socket by executing sapi4out.exe.

[Daisreich]

this is what i see after debugging with VS2022

[TETYYS]

The reason that it exits is because its done by design (https://github.com/TETYYS/SAPI4/blob/master/SAPI4_web/source/app.d#L186) --- sometimes when running the application in WINE under linux it can corrupt itself for some reason so that all voice generations are invalid. As application is run as a service, it auto-restarts itself.

In your case your first generation fails, so I suggest running sapi4out.exe manually yourself to see what you get:
sapi4out.exe "Adult Female #1 British English (L&H)" 170 180 "soi soi soi"

[Daisreich]

the WAV file with the voice was created but sapi4.exe just closed after it was generated
i did however try the sapi4out.exe method and it seemed to work just fine

[TETYYS]

Did you see the resulting file name printed out by sapi4out.exe?

[Daisreich]

yep

[TETYYS]

I mean printed out in console, not only generated file. The reason that web server terminates is that it doesn't capture any output from sapi4out.exe. It should capture the resulting audio file name.

[Daisreich]

this is what printed out when i debugged sapi4out.exe

[TETYYS]

If the generation is successful and it prints out the resulting filename but webserver doesn't catch it, then either the way you're running sapi4out.exe is different from how web server is running it, or dlang runtime doesn't capture stdout of sapi4out.exe process for some reason, which I doubt it wouldn't.

I suggest debugging webserver at the point where process is run and stdout is captured.

[Daisreich]

the webserver thinks that the generated file doesn't exist even though it was generated

[TETYYS]

In that case an exception would be thrown as per enforce in vibe.d https://github.com/vibe-d/vibe-core/blob/82a6e3b5a0839a230df22df41a7b89e1b9a3bf43/source/vibe/core/file.d#L47

[Daisreich]

well unfortunately there was no exception reported, at least for me, so i have no clue what's causing the bug here

[TETYYS]

Unfortunately either there is wrong information or not enough information provided regarding this issue, so I cannot debug this from current position.

[Daisreich]

you can try reproducing this issue by installing the L&H British English voices on the device and attempt to use the voice with the SAPI4 server