413 lines
12 KiB
C++
413 lines
12 KiB
C++
/**********************************************************************
|
|
|
|
Audacity: A Digital Audio Editor
|
|
|
|
VSTEffect.h
|
|
|
|
Dominic Mazzoni
|
|
|
|
**********************************************************************/
|
|
|
|
#if USE_VST
|
|
|
|
#include <wx/wx.h>
|
|
|
|
#include "audacity/EffectInterface.h"
|
|
#include "audacity/ModuleInterface.h"
|
|
#include "audacity/PluginInterface.h"
|
|
|
|
#include "../../SampleFormat.h"
|
|
#include "../../widgets/NumericTextCtrl.h"
|
|
|
|
#include "VSTControl.h"
|
|
|
|
#define VSTCMDKEY wxT("-checkvst")
|
|
#define VSTPLUGINTYPE wxT("VST")
|
|
|
|
#define audacityVSTID CCONST('a', 'u', 'D', 'y');
|
|
|
|
typedef intptr_t (*dispatcherFn)(AEffect * effect,
|
|
int opCode,
|
|
int index,
|
|
intptr_t value,
|
|
void *ptr,
|
|
float opt);
|
|
|
|
typedef void (*processFn)(AEffect * effect,
|
|
float **inputs,
|
|
float **outputs,
|
|
int sampleframes);
|
|
|
|
typedef void (*setParameterFn)(AEffect * effect,
|
|
int index,
|
|
float parameter);
|
|
|
|
typedef float (*getParameterFn)(AEffect * effect,
|
|
int index);
|
|
|
|
typedef AEffect *(*vstPluginMain)(audioMasterCallback audioMaster);
|
|
|
|
class VSTEffectTimer;
|
|
class VSTEffectDialog;
|
|
class VSTEffect;
|
|
class wxDynamicLibrary;
|
|
|
|
#if defined(__WXMAC__)
|
|
struct __CFBundle;
|
|
#endif
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// VSTEffect
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
using VSTEffectArray = std::vector < movable_ptr<VSTEffect> > ;
|
|
|
|
DECLARE_LOCAL_EVENT_TYPE(EVT_SIZEWINDOW, -1);
|
|
DECLARE_LOCAL_EVENT_TYPE(EVT_UPDATEDISPLAY, -1);
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
///
|
|
/// VSTEffect is an Audacity EffectClientInterface that forwards actual
|
|
/// audio processing via a VSTEffectLink
|
|
///
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
class VSTEffect final : public wxEvtHandler,
|
|
public EffectClientInterface,
|
|
public EffectUIClientInterface,
|
|
public XMLTagHandler,
|
|
public VSTEffectLink
|
|
{
|
|
public:
|
|
VSTEffect(const wxString & path, VSTEffect *master = NULL);
|
|
virtual ~VSTEffect();
|
|
|
|
// IdentInterface implementation
|
|
|
|
wxString GetPath() override;
|
|
wxString GetSymbol() override;
|
|
wxString GetName() override;
|
|
wxString GetVendor() override;
|
|
wxString GetVersion() override;
|
|
wxString GetDescription() override;
|
|
|
|
// EffectIdentInterface implementation
|
|
|
|
EffectType GetType() override;
|
|
wxString GetFamily() override;
|
|
bool IsInteractive() override;
|
|
bool IsDefault() override;
|
|
bool IsLegacy() override;
|
|
bool SupportsRealtime() override;
|
|
bool SupportsAutomation() override;
|
|
|
|
// EffectClientInterface implementation
|
|
|
|
bool SetHost(EffectHostInterface *host) override;
|
|
|
|
unsigned GetAudioInCount() override;
|
|
unsigned GetAudioOutCount() override;
|
|
|
|
int GetMidiInCount() override;
|
|
int GetMidiOutCount() override;
|
|
|
|
sampleCount GetLatency() override;
|
|
size_t GetTailSize() override;
|
|
|
|
void SetSampleRate(double rate) override;
|
|
size_t SetBlockSize(size_t maxBlockSize) override;
|
|
|
|
bool IsReady() override;
|
|
bool ProcessInitialize(sampleCount totalLen, ChannelNames chanMap = NULL) override;
|
|
bool ProcessFinalize() override;
|
|
size_t ProcessBlock(float **inBlock, float **outBlock, size_t blockLen) override;
|
|
|
|
bool RealtimeInitialize() override;
|
|
bool RealtimeAddProcessor(unsigned numChannels, float sampleRate) override;
|
|
bool RealtimeFinalize() override;
|
|
bool RealtimeSuspend() override;
|
|
bool RealtimeResume() override;
|
|
bool RealtimeProcessStart() override;
|
|
size_t RealtimeProcess(int group,
|
|
float **inbuf,
|
|
float **outbuf,
|
|
size_t numSamples) override;
|
|
bool RealtimeProcessEnd() override;
|
|
|
|
bool ShowInterface(wxWindow *parent, bool forceModal = false) override;
|
|
|
|
bool GetAutomationParameters(EffectAutomationParameters & parms) override;
|
|
bool SetAutomationParameters(EffectAutomationParameters & parms) override;
|
|
|
|
bool LoadUserPreset(const wxString & name) override;
|
|
bool SaveUserPreset(const wxString & name) override;
|
|
|
|
wxArrayString GetFactoryPresets() override;
|
|
bool LoadFactoryPreset(int id) override;
|
|
bool LoadFactoryDefaults() override;
|
|
|
|
// EffectUIClientInterface implementation
|
|
|
|
void SetHostUI(EffectUIHostInterface *host) override;
|
|
bool PopulateUI(wxWindow *parent) override;
|
|
bool IsGraphicalUI() override;
|
|
bool ValidateUI() override;
|
|
bool HideUI() override;
|
|
bool CloseUI() override;
|
|
|
|
bool CanExportPresets() override;
|
|
void ExportPresets() override;
|
|
void ImportPresets() override;
|
|
|
|
bool HasOptions() override;
|
|
void ShowOptions() override;
|
|
|
|
// VSTEffect implementation
|
|
|
|
// VST plugin -> host callback
|
|
static intptr_t AudioMaster(AEffect *effect,
|
|
int32_t opcode,
|
|
int32_t index,
|
|
intptr_t value,
|
|
void * ptr,
|
|
float opt);
|
|
|
|
void OnTimer();
|
|
|
|
private:
|
|
// Plugin loading and unloading
|
|
bool Load();
|
|
void Unload();
|
|
wxArrayInt GetEffectIDs();
|
|
|
|
// Parameter loading and saving
|
|
bool LoadParameters(const wxString & group);
|
|
bool SaveParameters(const wxString & group);
|
|
|
|
// Base64 encoding and decoding
|
|
static wxString b64encode(const void *in, int len);
|
|
static int b64decode(const wxString &in, void *out);
|
|
|
|
// Realtime
|
|
unsigned GetChannelCount();
|
|
void SetChannelCount(unsigned numChannels);
|
|
|
|
// UI
|
|
void OnSlider(wxCommandEvent & evt);
|
|
void OnSize(wxSizeEvent & evt);
|
|
void OnSizeWindow(wxCommandEvent & evt);
|
|
void OnUpdateDisplay(wxCommandEvent & evt);
|
|
|
|
void RemoveHandler();
|
|
|
|
void OnProgram(wxCommandEvent & evt);
|
|
void OnProgramText(wxCommandEvent & evt);
|
|
void OnLoad(wxCommandEvent & evt);
|
|
void OnSave(wxCommandEvent & evt);
|
|
void OnSettings(wxCommandEvent & evt);
|
|
|
|
void BuildPlain();
|
|
void BuildFancy();
|
|
wxSizer *BuildProgramBar();
|
|
void RefreshParameters(int skip = -1);
|
|
|
|
// Program/Bank loading/saving
|
|
bool LoadFXB(const wxFileName & fn);
|
|
bool LoadFXP(const wxFileName & fn);
|
|
bool LoadXML(const wxFileName & fn);
|
|
bool LoadFXProgram(unsigned char **bptr, ssize_t & len, int index, bool dryrun);
|
|
void SaveFXB(const wxFileName & fn);
|
|
void SaveFXP(const wxFileName & fn);
|
|
void SaveXML(const wxFileName & fn);
|
|
void SaveFXProgram(wxMemoryBuffer & buf, int index);
|
|
|
|
bool HandleXMLTag(const wxChar *tag, const wxChar **attrs) override;
|
|
void HandleXMLEndTag(const wxChar *tag) override;
|
|
void HandleXMLContent(const wxString & content) override;
|
|
XMLTagHandler *HandleXMLChild(const wxChar *tag) override;
|
|
|
|
// Utility methods
|
|
|
|
VstTimeInfo *GetTimeInfo();
|
|
float GetSampleRate();
|
|
int GetProcessLevel();
|
|
void SetBufferDelay(int samples);
|
|
void NeedIdle();
|
|
void NeedEditIdle(bool state);
|
|
void SizeWindow(int w, int h);
|
|
void UpdateDisplay();
|
|
void Automate(int index, float value);
|
|
void PowerOn();
|
|
void PowerOff();
|
|
|
|
int GetString(wxString & outstr, int opcode, int index = 0);
|
|
wxString GetString(int opcode, int index = 0);
|
|
void SetString(int opcode, const wxString & str, int index = 0);
|
|
|
|
// VST methods
|
|
|
|
intptr_t callDispatcher(int opcode, int index, intptr_t value, void *ptr, float opt);
|
|
void callProcessReplacing(float **inputs, float **outputs, int sampleframes);
|
|
void callSetParameter(int index, float value);
|
|
float callGetParameter(int index);
|
|
void callSetProgram(int index);
|
|
void callSetChunk(bool isPgm, int len, void *buf);
|
|
void callSetChunk(bool isPgm, int len, void *buf, VstPatchChunkInfo *info);
|
|
|
|
private:
|
|
// Define a manager class for a handle to a module
|
|
#if defined(__WXMSW__)
|
|
using ModuleHandle = std::unique_ptr<wxDynamicLibrary>;
|
|
#else
|
|
struct ModuleDeleter {
|
|
void operator() (void*) const;
|
|
};
|
|
using ModuleHandle = std::unique_ptr < char, ModuleDeleter > ;
|
|
#endif
|
|
|
|
EffectHostInterface *mHost;
|
|
PluginID mID;
|
|
wxString mPath;
|
|
unsigned mAudioIns;
|
|
unsigned mAudioOuts;
|
|
int mMidiIns;
|
|
int mMidiOuts;
|
|
bool mAutomatable;
|
|
float mSampleRate;
|
|
size_t mUserBlockSize;
|
|
wxString mName;
|
|
wxString mVendor;
|
|
wxString mDescription;
|
|
int mVersion;
|
|
bool mInteractive;
|
|
int mVstVersion;
|
|
|
|
static intptr_t mCurrentEffectID;
|
|
|
|
bool mReady;
|
|
|
|
ModuleHandle mModule;
|
|
|
|
#if defined(__WXMAC__)
|
|
// These members must be ordered after mModule
|
|
|
|
struct BundleDeleter {
|
|
void operator() (void*) const;
|
|
};
|
|
using BundleHandle = std::unique_ptr<
|
|
__CFBundle, BundleDeleter
|
|
>;
|
|
|
|
BundleHandle mBundleRef;
|
|
|
|
struct ResourceDeleter {
|
|
const BundleHandle *mpHandle;
|
|
ResourceDeleter(const BundleHandle *pHandle = nullptr)
|
|
: mpHandle(pHandle) {}
|
|
void operator() (void*) const;
|
|
};
|
|
using ResourceHandle = std::unique_ptr<
|
|
char, ResourceDeleter
|
|
>;
|
|
ResourceHandle mResource;
|
|
#endif
|
|
|
|
AEffect *mAEffect;
|
|
|
|
VstTimeInfo mTimeInfo;
|
|
|
|
bool mUseLatency;
|
|
int mBufferDelay;
|
|
|
|
unsigned mBlockSize;
|
|
|
|
int mProcessLevel;
|
|
bool mHasPower;
|
|
bool mWantsIdle;
|
|
bool mWantsEditIdle;
|
|
|
|
wxCRIT_SECT_DECLARE_MEMBER(mDispatcherLock);
|
|
|
|
std::unique_ptr<VSTEffectTimer> mTimer;
|
|
int mTimerGuard;
|
|
|
|
// Realtime processing
|
|
VSTEffect *mMaster; // non-NULL if a slave
|
|
VSTEffectArray mSlaves;
|
|
unsigned mNumChannels;
|
|
FloatBuffers mMasterIn, mMasterOut;
|
|
size_t mNumSamples;
|
|
|
|
// UI
|
|
wxDialog *mDialog;
|
|
wxWindow *mParent;
|
|
EffectUIHostInterface *mUIHost;
|
|
wxSizerItem *mContainer;
|
|
bool mGui;
|
|
|
|
VSTControl *mControl;
|
|
|
|
NumericTextCtrl *mDuration;
|
|
ArrayOf<wxStaticText *> mNames;
|
|
ArrayOf<wxSlider *> mSliders;
|
|
ArrayOf<wxStaticText *> mDisplays;
|
|
ArrayOf<wxStaticText *> mLabels;
|
|
|
|
bool mInSet;
|
|
bool mInChunk;
|
|
wxString mChunk;
|
|
long mXMLVersion;
|
|
VstPatchChunkInfo mXMLInfo;
|
|
|
|
DECLARE_EVENT_TABLE()
|
|
|
|
friend class VSTEffectsModule;
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
///
|
|
/// VSTEffectsModule is an Audacity ModuleInterface, in other words it
|
|
/// represents one plug in.
|
|
///
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
class VSTEffectsModule final : public ModuleInterface
|
|
{
|
|
public:
|
|
VSTEffectsModule(ModuleManagerInterface *moduleManager, const wxString *path);
|
|
virtual ~VSTEffectsModule();
|
|
|
|
// IdentInterface implementation
|
|
|
|
wxString GetPath() override;
|
|
wxString GetSymbol() override;
|
|
wxString GetName() override;
|
|
wxString GetVendor() override;
|
|
wxString GetVersion() override;
|
|
wxString GetDescription() override;
|
|
|
|
// ModuleInterface implementation
|
|
|
|
bool Initialize() override;
|
|
void Terminate() override;
|
|
|
|
bool AutoRegisterPlugins(PluginManagerInterface & pm) override;
|
|
wxArrayString FindPlugins(PluginManagerInterface & pm) override;
|
|
bool RegisterPlugin(PluginManagerInterface & pm, const wxString & path) override;
|
|
|
|
bool IsPluginValid(const wxString & path, bool bFast) override;
|
|
|
|
IdentInterface *CreateInstance(const wxString & path) override;
|
|
void DeleteInstance(IdentInterface *instance) override;
|
|
|
|
// VSTEffectModule implementation
|
|
|
|
static void Check(const wxChar *path);
|
|
|
|
private:
|
|
ModuleManagerInterface *mModMan;
|
|
wxString mPath;
|
|
};
|
|
|
|
#endif // USE_VST
|