winamp/Src/external_dependencies/openmpt-trunk/soundlib/plugins/PluginStructs.h
2024-09-24 14:54:57 +02:00

142 lines
4.8 KiB
C++

/*
* PluginStructs.h
* ---------------
* Purpose: Basic plugin structs for CSoundFile.
* Notes : (currently none)
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#pragma once
#include "openmpt/all/BuildSettings.hpp"
#include "../Snd_defs.h"
#ifndef NO_PLUGINS
#include "openmpt/base/Endian.hpp"
#endif // NO_PLUGINS
OPENMPT_NAMESPACE_BEGIN
////////////////////////////////////////////////////////////////////
// Mix Plugins
using PlugParamIndex = uint32;
using PlugParamValue = float;
struct SNDMIXPLUGINSTATE;
struct SNDMIXPLUGIN;
class IMixPlugin;
class CSoundFile;
#ifndef NO_PLUGINS
struct SNDMIXPLUGININFO
{
// dwInputRouting flags
enum RoutingFlags
{
irApplyToMaster = 0x01, // Apply to master mix
irBypass = 0x02, // Bypass effect
irWetMix = 0x04, // Wet Mix (dry added)
irExpandMix = 0x08, // [0%,100%] -> [-200%,200%]
irAutoSuspend = 0x10, // Plugin will automatically suspend on silence
};
int32le dwPluginId1; // Plugin type (kEffectMagic, kDmoMagic, kBuzzMagic)
int32le dwPluginId2; // Plugin unique ID
uint8le routingFlags; // See RoutingFlags
uint8le mixMode;
uint8le gain; // Divide by 10 to get real gain
uint8le reserved;
uint32le dwOutputRouting; // 0 = send to master 0x80 + x = send to plugin x
uint32le dwReserved[4]; // Reserved for routing info
mpt::modecharbuf<32, mpt::String::nullTerminated> szName; // User-chosen plugin display name - this is locale ANSI!
mpt::modecharbuf<64, mpt::String::nullTerminated> szLibraryName; // original DLL name - this is UTF-8!
// Should only be called from SNDMIXPLUGIN::SetBypass() and IMixPlugin::Bypass()
void SetBypass(bool bypass = true) { if(bypass) routingFlags |= irBypass; else routingFlags &= uint8(~irBypass); }
};
MPT_BINARY_STRUCT(SNDMIXPLUGININFO, 128) // this is directly written to files, so the size must be correct!
struct SNDMIXPLUGIN
{
IMixPlugin *pMixPlugin = nullptr;
std::vector<std::byte> pluginData;
SNDMIXPLUGININFO Info = {};
float fDryRatio = 0;
int32 defaultProgram = 0;
int32 editorX = 0, editorY = 0;
#if defined(MPT_ENABLE_CHARSET_LOCALE)
const char * GetNameLocale() const
{
return Info.szName.buf;
}
mpt::ustring GetName() const
{
return mpt::ToUnicode(mpt::Charset::Locale, Info.szName);
}
#endif // MPT_ENABLE_CHARSET_LOCALE
mpt::ustring GetLibraryName() const
{
return mpt::ToUnicode(mpt::Charset::UTF8, Info.szLibraryName);
}
// Check if a plugin is loaded into this slot (also returns true if the plugin in this slot has not been found)
bool IsValidPlugin() const { return (Info.dwPluginId1 | Info.dwPluginId2) != 0; }
// Input routing getters
uint8 GetGain() const
{ return Info.gain; }
uint8 GetMixMode() const
{ return Info.mixMode; }
bool IsMasterEffect() const
{ return (Info.routingFlags & SNDMIXPLUGININFO::irApplyToMaster) != 0; }
bool IsWetMix() const
{ return (Info.routingFlags & SNDMIXPLUGININFO::irWetMix) != 0; }
bool IsExpandedMix() const
{ return (Info.routingFlags & SNDMIXPLUGININFO::irExpandMix) != 0; }
bool IsBypassed() const
{ return (Info.routingFlags & SNDMIXPLUGININFO::irBypass) != 0; }
bool IsAutoSuspendable() const
{ return (Info.routingFlags & SNDMIXPLUGININFO::irAutoSuspend) != 0; }
// Input routing setters
void SetGain(uint8 gain);
void SetMixMode(uint8 mixMode)
{ Info.mixMode = mixMode; }
void SetMasterEffect(bool master = true)
{ if(master) Info.routingFlags |= SNDMIXPLUGININFO::irApplyToMaster; else Info.routingFlags &= uint8(~SNDMIXPLUGININFO::irApplyToMaster); }
void SetWetMix(bool wetMix = true)
{ if(wetMix) Info.routingFlags |= SNDMIXPLUGININFO::irWetMix; else Info.routingFlags &= uint8(~SNDMIXPLUGININFO::irWetMix); }
void SetExpandedMix(bool expanded = true)
{ if(expanded) Info.routingFlags |= SNDMIXPLUGININFO::irExpandMix; else Info.routingFlags &= uint8(~SNDMIXPLUGININFO::irExpandMix); }
void SetBypass(bool bypass = true);
void SetAutoSuspend(bool suspend = true)
{ if(suspend) Info.routingFlags |= SNDMIXPLUGININFO::irAutoSuspend; else Info.routingFlags &= uint8(~SNDMIXPLUGININFO::irAutoSuspend); }
// Output routing getters
bool IsOutputToMaster() const
{ return Info.dwOutputRouting == 0; }
PLUGINDEX GetOutputPlugin() const
{ return Info.dwOutputRouting >= 0x80 ? static_cast<PLUGINDEX>(Info.dwOutputRouting - 0x80) : PLUGINDEX_INVALID; }
// Output routing setters
void SetOutputToMaster()
{ Info.dwOutputRouting = 0; }
void SetOutputPlugin(PLUGINDEX plugin)
{ if(plugin < MAX_MIXPLUGINS) Info.dwOutputRouting = plugin + 0x80; else Info.dwOutputRouting = 0; }
void Destroy();
};
bool CreateMixPluginProc(SNDMIXPLUGIN &mixPlugin, CSoundFile &sndFile);
#endif // NO_PLUGINS
OPENMPT_NAMESPACE_END