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Sound system refactor

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elasota
2019-12-31 04:49:38 -05:00
parent b963aa9b5f
commit 62438ab4f3
7 changed files with 287 additions and 375 deletions
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66
PortabilityLayer/PLSound.h
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@@ -1,56 +1,30 @@
#pragma once
#ifndef __PL_SOUND_H__
#define __PL_SOUND_H__
#include "PLCore.h"
enum SndCommandType
namespace PortabilityLayer
{
nullCmd,
bufferCmd, // Param1: 0 Param2: Offset to sound header
callBackCmd,
flushCmd,
quietCmd
};
struct AudioChannel;
struct SndChannel
{
};
typedef void (*AudioChannelCallback_t)(PortabilityLayer::AudioChannel *channel);
struct SndCommand
{
SndCommandType cmd;
intptr_t param1;
intptr_t param2;
};
struct AudioChannel
{
virtual void Destroy(bool wait) = 0;
virtual bool AddBuffer(const void *smBuffer, bool blocking) = 0;
virtual bool AddCallback(AudioChannelCallback_t callback, bool blocking) = 0;
virtual void ClearAllCommands() = 0;
virtual void Stop() = 0;
};
enum SndSynthType
{
sampledSynth
};
class SoundSystem
{
public:
virtual AudioChannel *CreateChannel() = 0;
enum SndInitFlags
{
initNoInterp = 1,
initMono = 2,
};
virtual void SetVolume(uint8_t vol) = 0;
virtual uint8_t GetVolume() const = 0;
typedef SndChannel *SndChannelPtr;
typedef void(*SndCallBackProc)(SndChannelPtr channel, SndCommand *command);
typedef SndCallBackProc SndCallBackUPP;
// Vol seems to be a packed stereo DWord
PLError_t GetDefaultOutputVolume(long *vol);
PLError_t SetDefaultOutputVolume(long vol);
SndCallBackUPP NewSndCallBackProc(SndCallBackProc callback);
void DisposeSndCallBackUPP(SndCallBackUPP upp);
PLError_t SndNewChannel(SndChannelPtr *outChannel, SndSynthType synthType, int initFlags, SndCallBackUPP callback);
PLError_t SndDisposeChannel(SndChannelPtr channel, Boolean flush);
PLError_t SndDoCommand(SndChannelPtr channel, const SndCommand *command, Boolean failIfFull);
PLError_t SndDoImmediate(SndChannelPtr channel, const SndCommand *command);
#endif
static SoundSystem *GetInstance();
};
}