114 lines
3.8 KiB
C++
114 lines
3.8 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2022 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xenia/apu/audio_system.h"
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#include "xenia/emulator.h"
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#include "xenia/kernel/kernel_state.h"
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#include "xenia/kernel/util/shim_utils.h"
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#include "xenia/kernel/xboxkrnl/xboxkrnl_private.h"
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#include "xenia/xbox.h"
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DECLARE_uint32(audio_flag);
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namespace xe {
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namespace kernel {
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namespace xboxkrnl {
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dword_result_t XAudioGetSpeakerConfig_entry(lpdword_t config_ptr) {
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*config_ptr = cvars::audio_flag;
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return X_ERROR_SUCCESS;
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}
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DECLARE_XBOXKRNL_EXPORT1(XAudioGetSpeakerConfig, kAudio, kImplemented);
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dword_result_t XAudioGetVoiceCategoryVolumeChangeMask_entry(
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lpunknown_t driver_ptr, lpdword_t out_ptr) {
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assert_true((driver_ptr.guest_address() & 0xFFFF0000) == 0x41550000);
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xe::threading::NanoSleep(1000);
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// Checking these bits to see if any voice volume changed.
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// I think.
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*out_ptr = 0;
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return X_ERROR_SUCCESS;
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}
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DECLARE_XBOXKRNL_EXPORT2(XAudioGetVoiceCategoryVolumeChangeMask, kAudio, kStub,
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kHighFrequency);
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dword_result_t XAudioGetVoiceCategoryVolume_entry(dword_t unk,
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lpfloat_t out_ptr) {
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// Expects a floating point single. Volume %?
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*out_ptr = 1.0f;
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return X_ERROR_SUCCESS;
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}
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DECLARE_XBOXKRNL_EXPORT2(XAudioGetVoiceCategoryVolume, kAudio, kStub,
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kHighFrequency);
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dword_result_t XAudioEnableDucker_entry(dword_t unk) { return X_ERROR_SUCCESS; }
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DECLARE_XBOXKRNL_EXPORT1(XAudioEnableDucker, kAudio, kStub);
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dword_result_t XAudioRegisterRenderDriverClient_entry(lpdword_t callback_ptr,
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lpdword_t driver_ptr) {
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if (!callback_ptr) {
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return X_E_INVALIDARG;
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}
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uint32_t callback = callback_ptr[0];
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if (!callback) {
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return X_E_INVALIDARG;
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}
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uint32_t callback_arg = callback_ptr[1];
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auto audio_system = kernel_state()->emulator()->audio_system();
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size_t index;
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auto result = audio_system->RegisterClient(callback, callback_arg, &index);
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if (XFAILED(result)) {
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return result;
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}
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assert_true(!(index & ~0x0000FFFF));
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*driver_ptr = 0x41550000 | (static_cast<uint32_t>(index) & 0x0000FFFF);
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return X_ERROR_SUCCESS;
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}
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DECLARE_XBOXKRNL_EXPORT1(XAudioRegisterRenderDriverClient, kAudio,
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kImplemented);
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dword_result_t XAudioUnregisterRenderDriverClient_entry(
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lpunknown_t driver_ptr) {
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assert_true((driver_ptr.guest_address() & 0xFFFF0000) == 0x41550000);
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auto audio_system = kernel_state()->emulator()->audio_system();
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audio_system->UnregisterClient(driver_ptr.guest_address() & 0x0000FFFF);
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return X_ERROR_SUCCESS;
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}
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DECLARE_XBOXKRNL_EXPORT1(XAudioUnregisterRenderDriverClient, kAudio,
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kImplemented);
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dword_result_t XAudioSubmitRenderDriverFrame_entry(lpunknown_t driver_ptr,
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lpunknown_t samples_ptr) {
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assert_true((driver_ptr.guest_address() & 0xFFFF0000) == 0x41550000);
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auto audio_system = kernel_state()->emulator()->audio_system();
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auto samples =
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kernel_state()->memory()->TranslateVirtual<float*>(samples_ptr);
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audio_system->SubmitFrame(driver_ptr.guest_address() & 0x0000FFFF, samples);
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return X_ERROR_SUCCESS;
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}
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DECLARE_XBOXKRNL_EXPORT2(XAudioSubmitRenderDriverFrame, kAudio, kImplemented,
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kHighFrequency);
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} // namespace xboxkrnl
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} // namespace kernel
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} // namespace xe
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DECLARE_XBOXKRNL_EMPTY_REGISTER_EXPORTS(Audio);
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