Cemu/src/audio/IAudioAPI.h
2022-08-26 04:03:26 +02:00

91 lines
2.2 KiB
C++

#pragma once
#if BOOST_OS_WINDOWS
#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
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;