cog/Frameworks/OpenMPT.old/OpenMPT/soundlib/plugins/PluginStructs.h

141 lines
4.5 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 "BuildSettings.h"
#include "../Snd_defs.h"
#ifndef NO_PLUGINS
#include "../../common/Endianness.h"
#endif // NO_PLUGINS
OPENMPT_NAMESPACE_BEGIN
////////////////////////////////////////////////////////////////////
// Mix Plugins
typedef int32 PlugParamIndex;
typedef float PlugParamValue;
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::charbuf<32, mpt::String::nullTerminated> szName; // User-chosen plugin display name - this is locale ANSI!
mpt::charbuf<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;
std::vector<std::byte> pluginData;
SNDMIXPLUGININFO Info;
float fDryRatio;
int32 defaultProgram;
int32 editorX, editorY;
SNDMIXPLUGIN()
: pMixPlugin(nullptr)
, fDryRatio(0.0f)
, defaultProgram(0)
, editorX(0), editorY(0)
{
MemsetZero(Info);
}
const char *GetName() const
{ return Info.szName.buf; }
const char *GetLibraryName() const
{ return Info.szLibraryName.buf; }
// 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