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audio: implement wrapped IAudioClient3 (#511)

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## Link to GitHub Issue, if one exists
Fixes #509

## Description of change
Implement `WrappedIAudioClient3`.

For now, we have only seen SDVX use it (EG final) and only when the
shared mode patch is enabled. Exclusive still goes through version 1.
This means that for V3 we can forego implementing backend conversion
logic (for now).

Only significant addition is `InitializeSharedAudioStream` and this IS
called by SDVX when shared mode patch is enabled.

## Testing
Tested EG final, tested year 1 data, also IIDX shared/exclusive wasapi.
This commit is contained in:
bicarus
2026-01-10 17:41:10 -08:00
committed by GitHub
parent 9be618d791
commit a6f29d6a5a
3 changed files with 166 additions and 141 deletions
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src/spice2x/hooks/audio/backends/mmdevice/device.cpp
+9 -11
View File
@@ -82,7 +82,10 @@ HRESULT STDMETHODCALLTYPE WrappedIMMDevice::Activate(
return ret;
}
if (iid == IID_IAudioClient) {
// almost all games request IAudioClient
// so far we have not seen any games request IAudioClient2
// SDVX EG Final uses IID_IAudioClient3, but only when shared mode patch is on
if (iid == IID_IAudioClient || iid == IID_IAudioClient3) {
// prevent initialization recursion when using some ASIO backends that proxy to DirectSound, WASAPI, or WDM
// like ASIO4All or FlexASIO
@@ -92,23 +95,18 @@ HRESULT STDMETHODCALLTYPE WrappedIMMDevice::Activate(
}
std::lock_guard initialize_guard(hooks::audio::INITIALIZE_LOCK, std::adopt_lock);
auto client = reinterpret_cast<IAudioClient *>(*ppInterface);
// release old audio client if initialized
if (hooks::audio::CLIENT) {
hooks::audio::CLIENT->Release();
}
/*
ret = wrap_audio_client(pReal, dwClsCtx, pActivationParams, &client);
if (FAILED(ret)) {
return ret;
IAudioClient *client = nullptr;
if (iid == IID_IAudioClient) {
client = wrap_audio_client(reinterpret_cast<IAudioClient *>(*ppInterface));
} else { // IID_IAudioClient3
client = wrap_audio_client3(reinterpret_cast<IAudioClient3 *>(*ppInterface));
}
*/
client = wrap_audio_client(client);
*ppInterface = client;
// persist the audio client
hooks::audio::CLIENT = client;
hooks::audio::CLIENT->AddRef();