feat: Add pipewire backend

> only for testing current bmsound_wine implementation wine-side
2023-10-02 23:51:45 +09:00
parent 15cd228b8d
commit f6f62e0e9d
6 changed files with 171 additions and 1 deletions
@@ -0,0 +1,51 @@
+#pragma once
+
+#include "backend.h"
+#include <thread>
+
+
+struct PipewireBackend final : AudioBackend {
+public:
+    explicit PipewireBackend();
+    ~PipewireBackend() final = default;
+
+    [[nodiscard]] const WAVEFORMATEXTENSIBLE &format() const noexcept override;
+
+    HRESULT on_initialize(
+        AUDCLNT_SHAREMODE *ShareMode,
+        DWORD *StreamFlags,
+        REFERENCE_TIME *hnsBufferDuration,
+        REFERENCE_TIME *hnsPeriodicity,
+        const WAVEFORMATEX *pFormat,
+        LPCGUID AudioSessionGuid) noexcept override;
+
+    HRESULT on_get_buffer_size(uint32_t *buffer_frames) noexcept override;
+    HRESULT on_get_stream_latency(REFERENCE_TIME *latency) noexcept override;
+    HRESULT on_get_current_padding(std::optional<uint32_t> &padding_frames) noexcept override;
+
+    HRESULT on_is_format_supported(
+        AUDCLNT_SHAREMODE *ShareMode,
+        const WAVEFORMATEX *pFormat,
+        WAVEFORMATEX **ppClosestMatch) noexcept override;
+
+    HRESULT on_get_mix_format(WAVEFORMATEX **pp_device_format) noexcept override;
+
+    HRESULT on_get_device_period(
+        REFERENCE_TIME *default_device_period,
+        REFERENCE_TIME *minimum_device_period) override;
+
+    HRESULT on_start() noexcept override;
+    HRESULT on_stop() noexcept override;
+    HRESULT on_set_event_handle(HANDLE *event_handle) override;
+
+    HRESULT on_get_buffer(uint32_t num_frames_requested, BYTE **ppData) override;
+    HRESULT on_release_buffer(uint32_t num_frames_written, DWORD dwFlags) override;
+
+private:
+
+    const WAVEFORMATEXTENSIBLE &format_;
+    std::thread internal_;
+    HMODULE bmsw_;
+    //BYTE *active_sound_buffer = nullptr;
+};
+