spicetools/hooks/audio/backends/wasapi/audio_client.h

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2024-08-28 15:10:34 +00:00
#pragma once
#include <initguid.h>
#include <audioclient.h>
#include <mmdeviceapi.h>
#include "hooks/audio/implementations/backend.h"
#include "hooks/audio/audio_private.h"
#include "util/logging.h"
#include "audio_render_client.h"
// {1FBC8530-AF3E-4128-B418-115DE72F76B6}
static const GUID IID_WrappedIAudioClient = {
0x1fbc8530, 0xaf3e, 0x4128, { 0xb4, 0x18, 0x11, 0x5d, 0xe7, 0x2f, 0x76, 0xb6 }
};
IAudioClient *wrap_audio_client(IAudioClient *client);
struct WrappedIAudioClient : IAudioClient {
explicit WrappedIAudioClient(IAudioClient *orig, AudioBackend *backend) : pReal(orig), backend(backend) {
}
WrappedIAudioClient(const WrappedIAudioClient &) = delete;
WrappedIAudioClient &operator=(const WrappedIAudioClient &) = delete;
virtual ~WrappedIAudioClient() = default;
#pragma region IUnknown
HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObj) override;
ULONG STDMETHODCALLTYPE AddRef() override;
ULONG STDMETHODCALLTYPE Release() override;
#pragma endregion
#pragma region IAudioClient
HRESULT STDMETHODCALLTYPE Initialize(AUDCLNT_SHAREMODE ShareMode, DWORD StreamFlags, REFERENCE_TIME hnsBufferDuration, REFERENCE_TIME hnsPeriodicity, const WAVEFORMATEX *pFormat, LPCGUID AudioSessionGuid) override;
HRESULT STDMETHODCALLTYPE GetBufferSize(UINT32 *pNumBufferFrames) override;
HRESULT STDMETHODCALLTYPE GetStreamLatency(REFERENCE_TIME *phnsLatency) override;
HRESULT STDMETHODCALLTYPE GetCurrentPadding(UINT32 *pNumPaddingFrames) override;
HRESULT STDMETHODCALLTYPE IsFormatSupported(AUDCLNT_SHAREMODE ShareMode, const WAVEFORMATEX *pFormat, WAVEFORMATEX **ppClosestMatch) override;
HRESULT STDMETHODCALLTYPE GetMixFormat(WAVEFORMATEX **ppDeviceFormat) override;
HRESULT STDMETHODCALLTYPE GetDevicePeriod(REFERENCE_TIME *phnsDefaultDevicePeriod, REFERENCE_TIME *phnsMinimumDevicePeriod) override;
HRESULT STDMETHODCALLTYPE Start() override;
HRESULT STDMETHODCALLTYPE Stop() override;
HRESULT STDMETHODCALLTYPE Reset() override;
HRESULT STDMETHODCALLTYPE SetEventHandle(HANDLE eventHandle) override;
HRESULT STDMETHODCALLTYPE GetService(REFIID riid, void **ppv) override;
#pragma endregion
IAudioClient *const pReal;
AudioBackend *const backend;
bool exclusive_mode = false;
int frame_size = 0;
};