56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
#pragma once
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#include <cstdint>
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#include <optional>
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#include <windows.h>
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#include <audioclient.h>
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#include <ksmedia.h>
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struct WrappedIAudioClient;
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struct AudioBackend {
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public:
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virtual ~AudioBackend() = default;
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[[nodiscard]] virtual const WAVEFORMATEXTENSIBLE &format() const noexcept = 0;
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#pragma region IAudioClient
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virtual HRESULT on_initialize(
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AUDCLNT_SHAREMODE *ShareMode,
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DWORD *StreamFlags,
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REFERENCE_TIME *hnsBufferDuration,
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REFERENCE_TIME *hnsPeriodicity,
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const WAVEFORMATEX *pFormat,
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LPCGUID AudioSessionGuid) = 0;
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virtual HRESULT on_get_buffer_size(uint32_t *buffer_frames) = 0;
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virtual HRESULT on_get_stream_latency(REFERENCE_TIME *latency) = 0;
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virtual HRESULT on_get_current_padding(std::optional<uint32_t> &padding_frames) = 0;
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virtual HRESULT on_is_format_supported(
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AUDCLNT_SHAREMODE *ShareMode,
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const WAVEFORMATEX *pFormat,
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WAVEFORMATEX **ppClosestMatch) = 0;
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virtual HRESULT on_get_mix_format(WAVEFORMATEX **pp_device_format) = 0;
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virtual HRESULT on_get_device_period(
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REFERENCE_TIME *default_device_period,
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REFERENCE_TIME *minimum_device_period) = 0;
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virtual HRESULT on_start() = 0;
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virtual HRESULT on_stop() = 0;
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virtual HRESULT on_set_event_handle(HANDLE *event_handle) = 0;
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#pragma endregion
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#pragma region IAudioRenderClient
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virtual HRESULT on_get_buffer(uint32_t num_frames_requested, BYTE **ppData) = 0;
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virtual HRESULT on_release_buffer(uint32_t num_frames_written, DWORD dwFlags) = 0;
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#pragma endregion
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};
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