Add all the files

src/audio/IAudioAPI.h

@@ -0,0 +1,90 @@
+#pragma once
+
+#if BOOST_OS_WINDOWS > 0
+#include <mmreg.h>
+#endif
+
+class IAudioAPI
+{
+	friend class GeneralSettings2;
+
+public:
+	class DeviceDescription
+	{
+	public:
+		explicit DeviceDescription(std::wstring name)
+			: m_name(std::move(name)) { }
+
+		virtual ~DeviceDescription() = default;
+		virtual std::wstring GetIdentifier() const = 0;
+		const std::wstring& GetName() const { return m_name; }
+
+		bool operator==(const DeviceDescription& o) const
+		{
+			return GetIdentifier() == o.GetIdentifier();
+		}
+
+	private:
+		std::wstring m_name;
+	};
+
+	using DeviceDescriptionPtr = std::shared_ptr<DeviceDescription>;
+
+	enum AudioAPI
+	{
+		DirectSound = 0,
+		XAudio27,
+		XAudio2,
+		Cubeb,
+
+		AudioAPIEnd,
+	};
+	static constexpr uint32 kBlockCount = 24;
+	
+	IAudioAPI(uint32 samplerate, uint32 channels, uint32 samples_per_block, uint32 bits_per_sample);
+	virtual ~IAudioAPI() = default;
+	virtual AudioAPI GetType() const = 0;
+
+	sint32 GetChannels() const { return m_channels; }
+
+	virtual sint32 GetVolume() const { return m_volume; }
+	virtual void SetVolume(sint32 volume) { m_volume = volume; }
+	virtual void SetInputVolume(sint32 volume) { m_inputVolume = volume; }
+
+	virtual bool NeedAdditionalBlocks() const = 0;
+	virtual bool FeedBlock(sint16* data) = 0;
+	virtual bool Play() = 0;
+	virtual bool Stop() = 0;
+
+	static void PrintLogging();
+	static void InitializeStatic();
+	static bool IsAudioAPIAvailable(AudioAPI api);
+	
+	static std::unique_ptr<IAudioAPI> CreateDevice(AudioAPI api, const DeviceDescriptionPtr& device, sint32 samplerate, sint32 channels, sint32 samples_per_block, sint32 bits_per_sample);
+	static std::vector<DeviceDescriptionPtr> GetDevices(AudioAPI api);
+
+protected:
+#if BOOST_OS_WINDOWS > 0
+	WAVEFORMATEXTENSIBLE m_wfx{};
+#endif
+	
+	uint32 m_samplerate, m_channels, m_samplesPerBlock, m_bitsPerSample;
+	uint32 m_bytesPerBlock;
+
+	sint32 m_volume = 0, m_inputVolume = 0;
+	bool m_playing = false;
+
+	static std::array<bool, AudioAPIEnd> s_availableApis;
+	static uint32 s_audioDelay;
+
+private:
+	void InitWFX(sint32 samplerate, sint32 channels, sint32 bits_per_sample);
+	
+};
+
+using AudioAPIPtr = std::unique_ptr<IAudioAPI>;
+extern std::shared_mutex g_audioMutex;
+extern AudioAPIPtr g_tvAudio;
+
+extern AudioAPIPtr g_padAudio;
+extern std::atomic_int32_t g_padVolume;