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/* SPDX-License-Identifier: BSD-3-Clause */
/* SPDX-FileCopyrightText: Olivier Lapicque */
/* SPDX-FileCopyrightText: OpenMPT Project Developers and Contributors */
#pragma once
#include "openmpt/all/BuildSettings.hpp"
#include "openmpt/base/Types.hpp"
#include "openmpt/soundbase/SampleFormat.hpp"
#include <cstddef>
OPENMPT_NAMESPACE_BEGIN
namespace SoundDevice
{
struct StreamPosition
{
int64 Frames = 0; // relative to Start()
double Seconds = 0.0; // relative to Start()
};
struct TimeInfo
{
int64 SyncPointStreamFrames = 0;
uint64 SyncPointSystemTimestamp = 0;
double Speed = 1.0;
SoundDevice::StreamPosition RenderStreamPositionBefore;
SoundDevice::StreamPosition RenderStreamPositionAfter;
// int64 chunkSize = After - Before
double Latency = 0.0; // seconds
};
struct BufferFormat
{
uint32 Samplerate;
uint32 Channels;
uint8 InputChannels;
SampleFormat sampleFormat;
bool WantsClippedOutput;
int32 DitherType;
};
class ICallback
{
public:
// main thread
virtual uint64 SoundCallbackGetReferenceClockNowNanoseconds() const = 0; // timeGetTime()*1000000 on Windows
virtual void SoundCallbackPreStart() = 0;
virtual void SoundCallbackPostStop() = 0;
virtual bool SoundCallbackIsLockedByCurrentThread() const = 0;
// audio thread
virtual void SoundCallbackLock() = 0;
virtual uint64 SoundCallbackLockedGetReferenceClockNowNanoseconds() const = 0; // timeGetTime()*1000000 on Windows
virtual void SoundCallbackLockedProcessPrepare(SoundDevice::TimeInfo timeInfo) = 0;
virtual void SoundCallbackLockedProcess(SoundDevice::BufferFormat bufferFormat, std::size_t numFrames, uint8 *buffer, const uint8 *inputBuffer) = 0;
virtual void SoundCallbackLockedProcess(SoundDevice::BufferFormat bufferFormat, std::size_t numFrames, int8 *buffer, const int8 *inputBuffer) = 0;
virtual void SoundCallbackLockedProcess(SoundDevice::BufferFormat bufferFormat, std::size_t numFrames, int16 *buffer, const int16 *inputBuffer) = 0;
virtual void SoundCallbackLockedProcess(SoundDevice::BufferFormat bufferFormat, std::size_t numFrames, int24 *buffer, const int24 *inputBuffer) = 0;
virtual void SoundCallbackLockedProcess(SoundDevice::BufferFormat bufferFormat, std::size_t numFrames, int32 *buffer, const int32 *inputBuffer) = 0;
virtual void SoundCallbackLockedProcess(SoundDevice::BufferFormat bufferFormat, std::size_t numFrames, float *buffer, const float *inputBuffer) = 0;
virtual void SoundCallbackLockedProcess(SoundDevice::BufferFormat bufferFormat, std::size_t numFrames, double *buffer, const double *inputBuffer) = 0;
virtual void SoundCallbackLockedProcessDone(SoundDevice::TimeInfo timeInfo) = 0;
virtual void SoundCallbackUnlock() = 0;
};
} // namespace SoundDevice
OPENMPT_NAMESPACE_END
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