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

84 lines
2.3 KiB
C++

/*****************************************************************************
* Copyright (c) 2014-2019 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#pragma once
#include <memory>
#include <openrct2/audio/AudioChannel.h>
#include <openrct2/audio/AudioSource.h>
#include <openrct2/common.h>
#include <string>
struct SDL_RWops;
using SpeexResamplerState = struct SpeexResamplerState_;
namespace OpenRCT2::Audio
{
struct AudioFormat;
interface IAudioContext;
#pragma pack(push, 1)
struct WaveFormat
{
uint16_t encoding;
uint16_t channels;
uint32_t frequency;
uint32_t byterate;
uint16_t blockalign;
uint16_t bitspersample;
};
assert_struct_size(WaveFormat, 16);
struct WaveFormatEx
{
uint16_t encoding;
uint16_t channels;
uint32_t frequency;
uint32_t byterate;
uint16_t blockalign;
uint16_t bitspersample;
uint16_t 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 AudioSource
namespace AudioChannel
{
ISDLAudioChannel* Create();
}
namespace AudioMixer
{
IAudioMixer* Create();
}
std::unique_ptr<IAudioContext> CreateAudioContext();
} // namespace OpenRCT2::Audio