OpenRCT2/src/openrct2-ui/audio/AudioContext.h

76 lines
1.9 KiB
C++

#pragma once
#include <memory>
#include <string>
#include <openrct2/common.h>
#include <openrct2/audio/AudioChannel.h>
#include <openrct2/audio/AudioSource.h>
struct SDL_RWops;
using SpeexResamplerState = struct SpeexResamplerState_;
namespace OpenRCT2::Audio
{
struct AudioFormat;
interface IAudioContext;
#pragma pack(push, 1)
struct WaveFormat
{
uint16 encoding;
uint16 channels;
uint32 frequency;
uint32 byterate;
uint16 blockalign;
uint16 bitspersample;
};
assert_struct_size(WaveFormat, 16);
struct WaveFormatEx
{
uint16 encoding;
uint16 channels;
uint32 frequency;
uint32 byterate;
uint16 blockalign;
uint16 bitspersample;
uint16 extrasize;
};
assert_struct_size(WaveFormatEx, 18);
#pragma pack(pop)
interface ISDLAudioSource : public IAudioSource
{
virtual AudioFormat GetFormat() const abstract;
};
interface ISDLAudioChannel : public IAudioChannel
{
virtual AudioFormat GetFormat() const abstract;
virtual SpeexResamplerState * GetResampler() const abstract;
virtual void SetResampler(SpeexResamplerState * value) abstract;
};
namespace AudioSource
{
IAudioSource * CreateMemoryFromCSS1(const std::string &path, size_t index, const AudioFormat * targetFormat = nullptr);
IAudioSource * CreateMemoryFromWAV(const std::string &path, const AudioFormat * targetFormat = nullptr);
IAudioSource * CreateStreamFromWAV(const std::string &path);
IAudioSource * CreateStreamFromWAV(SDL_RWops * rw);
}
namespace AudioChannel
{
ISDLAudioChannel * Create();
}
namespace AudioMixer
{
IAudioMixer * Create();
}
std::unique_ptr<IAudioContext> CreateAudioContext();
} // namespace OpenRCT2::Audio