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Merge pull request #3 from kebby/master

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Added getChunk/setChunk to VSTi so patches are stored with the project
This commit is contained in:
Dominik Ries 2019-08-17 20:23:53 +02:00 committed by GitHub
commit e285541203
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2 changed files with 66 additions and 1 deletions
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63
4klang_source/Go4kVSTi/source/GoSynth/Go4kVSTi.cpp
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@ -3,7 +3,7 @@
#ifndef __Go4kVSTi__
#include "Go4kVSTi.h"
#endif
#include "Go4kVSTiCore.h"
//-----------------------------------------------------------------------------------------
// Go4kVSTi
//-----------------------------------------------------------------------------------------
@ -11,6 +11,7 @@
//-----------------------------------------------------------------------------------------
Go4kVSTi::Go4kVSTi (audioMasterCallback audioMaster) : AudioEffectX (audioMaster, 0, 0)
{
m_chunkBuffer = 0;
if (audioMaster)
{
setNumInputs (0); // no inputs
@ -19,6 +20,7 @@ Go4kVSTi::Go4kVSTi (audioMasterCallback audioMaster) : AudioEffectX (audioMaster
hasVu (false);
hasClip (false);
isSynth ();
programsAreChunks (true);
#ifdef _8KLANG
setUniqueID ('8klg');
#else
@ -32,6 +34,7 @@ Go4kVSTi::Go4kVSTi (audioMasterCallback audioMaster) : AudioEffectX (audioMaster
//-----------------------------------------------------------------------------------------
Go4kVSTi::~Go4kVSTi ()
{
delete[] m_chunkBuffer;
}
//-----------------------------------------------------------------------------------------
@ -141,3 +144,61 @@ long Go4kVSTi::canDo (char* text)
return -1; // explicitly can't do; 0 => don't know
}
//-----------------------------------------------------------------------------------------
long Go4kVSTi::getChunk(void** data, bool isPreset)
{
// serialize patch data into file, then load it back
char path[MAX_PATH];
char filename[MAX_PATH];
GetTempPath(MAX_PATH, path);
GetTempFileName(path, "4klang_", 0, filename);
Go4kVSTi_SavePatch(filename);
HANDLE h = CreateFile(filename, GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0);
if (h == INVALID_HANDLE_VALUE)
return 0;
DWORD dummy;
DWORD size = GetFileSize(h, &dummy);
delete[] m_chunkBuffer;
m_chunkBuffer = new unsigned char[size];
ReadFile(h, m_chunkBuffer, size, &dummy, 0);
CloseHandle(h);
DeleteFile(filename);
if (dummy == size)
{
*data = m_chunkBuffer;
return size;
}
return 0;
}
//-----------------------------------------------------------------------------------------
long Go4kVSTi::setChunk(void* data, long byteSize, bool isPreset)
{
if (!data || !byteSize) return 0;
// write chunk into file, then deserialize as patch data
char path[MAX_PATH];
char filename[MAX_PATH];
GetTempPath(MAX_PATH, path);
GetTempFileName(path, "4klang_", 0, filename);
HANDLE h = CreateFile(filename, GENERIC_WRITE, 0, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
if (h == INVALID_HANDLE_VALUE)
{
DWORD err = GetLastError();
return 0;
}
DWORD dummy;
WriteFile(h, data, byteSize, &dummy, 0);
CloseHandle(h);
if (dummy == byteSize)
{
Go4kVSTi_LoadPatch(filename);
}
DeleteFile(filename);
return 0;
}

4
4klang_source/Go4kVSTi/source/GoSynth/Go4kVSTi.h
View File

@ -40,12 +40,16 @@ public:
virtual bool getProductString (char* text);
virtual long getVendorVersion () {return 1;}
virtual long canDo (char* text);
virtual long getChunk(void** data, bool isPreset = false) override;
virtual long setChunk(void* data, long byteSize, bool isPreset = false) override;
private:
void initProcess();
void ApplyEvent(VstMidiEvent *event);
std::vector<VstMidiEvent*> m_currentEvents;
unsigned char *m_chunkBuffer;
};
#endif