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libretro / flycast

Flycast is a multiplatform Sega Dreamcast emulator. NOTE: No longer actively developed, use upstream repo for libretro from now on - https://github.com/flyinghead/flycast
http://reicast.com
GNU General Public License v2.0
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Music volume issue in many visual novels #679

Closed RaouleMenard closed 5 years ago

RaouleMenard commented 5 years ago

Hello, in multiple japanese visual novels with the option to change the volume of the music, the volume is either 100% or 0%. At 100% the music is too loud to hear the voices, and at 0% there is no music at all. All intermediary values are equivalent to 100%. You can check that on the game "Elysion" (Japanese), on the title screen select "CONFIG", then the 3rd option (it is in Japanese) that will open the volume options, the "BGM" one is the music, notice that setting it to any value from 1 to 100 results in the same very loud music, and setting the value to 0 will mute the music completely. This happen similarly in other Japanese visual novel games with a music volume option. Tested on the 64-bit RetroArch on Android on a GPD XD+. Any chance for a fix? I want to lower the music volume to around 50% so that I can hear the voices with the music. Basically right now it is either the voices or the music. Thanks!

Shaneus2k2 commented 5 years ago

This issue is also happening with Metropolis Street Racer on the Switch build, so I assume it occurs with all games using redbook audio, and across all platforms.

flyinghead commented 5 years ago

I was able to reproduce the issue and it only happens with the arm dynarecs (both 32 and 64 bits). No problem with the x64 dynarec or the interpreter.

PS: Neither Elysion nor Metropolis Street Racer use CDDA/redbook audio.

flyinghead commented 5 years ago

It seems to be a problem due to DIV Matching being enabled. Can you re-test with it disabled?

Shaneus2k2 commented 5 years ago

Not sure exactly what DIV matching does, but it definitely fixed the problem!Thanks for the info on the audio too :)

RaouleMenard commented 5 years ago

It seems to be a problem due to DIV Matching being enabled. Can you re-test with it disabled?

I also confirm that disabling DIV matching fixes the issue. Thanks a lot!

flyinghead commented 4 years ago

should be fixed by https://github.com/libretro/flycast/commit/f9f3249192f487b9d8de0a06531af331d4207fee