gitadora: arena cab volume change prevention (#478)

## Link to GitHub Issue, if one exists
#477 

## Description of change
Arena cab has two sound cards and it uses `WrappedIMMDeviceCollection`
to set the volume to 100% on boot on both, instead of the typical
`GetDefaultAudioEndpoint`.

## Testing
Testing Delta, testing other games as well as they are affected.
This commit is contained in:
bicarus-dev
2025-12-29 03:23:58 -08:00
committed by GitHub
parent 07a0df5fdc
commit 21f469b260
10 changed files with 130 additions and 3 deletions
+27
View File
@@ -0,0 +1,27 @@
#include "mme.h"
#include <mmeapi.h>
#include "util/detour.h"
#include "util/logging.h"
namespace hooks::audio::mme {
static decltype(mixerSetControlDetails) *mixerSetControlDetails_orig = nullptr;
MMRESULT
WINAPI
mixerSetControlDetails_hook(
HMIXEROBJ hmxobj, LPMIXERCONTROLDETAILS pmxcd, DWORD fdwDetails) {
log_misc("audio::mme", "mixerSetControlDetails_hook called; ignoring volume change");
return MMSYSERR_NOERROR;
}
void init(HINSTANCE module) {
mixerSetControlDetails_orig =
detour::iat_try("mixerSetControlDetails", mixerSetControlDetails_hook, module);
if (mixerSetControlDetails_orig != nullptr) {
log_misc("audio::mme", "mixerSetControlDetails hooked");
}
}
}