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spiralsynthmodular
mirror of https://github.com/original-male/spiralsynthmodular
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Log controls now support asymptote. Knobs and Sliders. Window size to fit. SHM now uses PID.

master
waxfrenzy 22 years ago
parent
91b299ccb4
commit
63f7f0e8fc
4 changed files with 1155 additions and 428 deletions
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  1. +167
    -54
      SpiralSound/Plugins/LADSPAPlugin/LADSPAPlugin.C
  2. +27
    -9
      SpiralSound/Plugins/LADSPAPlugin/LADSPAPlugin.h
  3. +898
    -338
      SpiralSound/Plugins/LADSPAPlugin/LADSPAPluginGUI.C
  4. +63
    -27
      SpiralSound/Plugins/LADSPAPlugin/LADSPAPluginGUI.h

+ 167
- 54
SpiralSound/Plugins/LADSPAPlugin/LADSPAPlugin.C View File

@@ -26,10 +26,10 @@

#ifdef USE_POSIX_SHM
// All this, just for SHM
#include <sys/types.h>
#include <sys/mman.h> // shm_*
#include <unistd.h> // For ftruncate
#include <fcntl.h> // For O_CREAT, O_RDONLY etc
#include <sys/types.h> // shm_*
#include <sys/mman.h> // shm_*
#endif

#include "SpiralIcon.xpm"
@@ -72,55 +72,88 @@ LADSPAPlugin::LADSPAPlugin()
// 2. A pointer to the database. We can get away with just a pointer as
// all instances are in the same address space (SSM audio thread)

int shm_rc_fd;
int shm_db_fd;

shm_rc_fd = shm_open(m_SHMRefCountPath, O_RDWR, 0644);
if (shm_rc_fd > 0) {
// Got an existing refcount
m_SHMRefCount = (unsigned long *)mmap(0, sizeof(unsigned long), PROT_READ | PROT_WRITE, MAP_SHARED,
shm_rc_fd, 0);

(*m_SHMRefCount)++;

shm_db_fd = shm_open(m_SHMLDBPath, O_RDONLY, 0644);
if (shm_db_fd > 0) {
// Got LADSPA Database
m_SHMLDB = (LADSPAInfo **)mmap(0, sizeof(LADSPAInfo *), PROT_READ, MAP_SHARED,
shm_db_fd, 0);

m_LADSPAInfo = *m_SHMLDB;
} else {
std::cerr << "LADSPAPlugin: ERROR: Could not open SHM file '" << m_SHMLDBPath << std::cerr;
}
} else {
// Need to create a new SHM file for ref counter
shm_rc_fd = shm_open(m_SHMRefCountPath, O_CREAT | O_RDWR, 0644);
unsigned long pid;
int len;
char pidstr[21]; // Enough to store 64 bit number as text
int bplen;
int rplen;
int dplen;

// Get our process id
pid = (unsigned long)getpid();
len = snprintf(pidstr,21,"%ld",pid);
bplen = strlen(m_SHMPath);
rplen = strlen(m_SHMPathRC);
dplen = strlen(m_SHMPathDB);

m_SHMRefCountPath = (char *)malloc(bplen+len+rplen+1);
m_SHMDatabasePath = (char *)malloc(bplen+len+dplen+1);

if (m_SHMRefCountPath && m_SHMDatabasePath) {
// Got paths - concatenate to form full paths
strncpy(m_SHMRefCountPath, m_SHMPath, bplen);
strncpy(m_SHMRefCountPath + bplen, pidstr, len);
strncpy(m_SHMRefCountPath + bplen + len, m_SHMPathRC, rplen);
m_SHMRefCountPath[bplen + len + rplen] = '\0';

strncpy(m_SHMDatabasePath, m_SHMPath, bplen);
strncpy(m_SHMDatabasePath + bplen, pidstr, len);
strncpy(m_SHMDatabasePath + bplen + len, m_SHMPathDB, dplen);
m_SHMDatabasePath[bplen + len + dplen] = '\0';

int shm_rc_fd = shm_open((const char *)m_SHMRefCountPath, O_RDWR, 0644);
if (shm_rc_fd > 0) {
ftruncate(shm_rc_fd, sizeof(unsigned long));
// Got an existing refcount
m_SHMRefCount = (unsigned long *)mmap(0, sizeof(unsigned long), PROT_READ | PROT_WRITE, MAP_SHARED,
shm_rc_fd, 0);

// Initilise to 1 (this instance)
*m_SHMRefCount = 1;
(*m_SHMRefCount)++;

shm_db_fd = shm_open(m_SHMLDBPath, O_CREAT | O_RDWR, 0644);
int shm_db_fd = shm_open((const char *)m_SHMDatabasePath, O_RDONLY, 0644);
if (shm_db_fd > 0) {
// Create LADSPA Plugin Database
m_LADSPAInfo = new LADSPAInfo(false, "");
// Got LADSPA Database
m_SHMDatabase = (LADSPAInfo **)mmap(0, sizeof(LADSPAInfo *), PROT_READ, MAP_SHARED,
shm_db_fd, 0);

ftruncate(shm_db_fd, sizeof(LADSPAInfo *));
m_SHMLDB = (LADSPAInfo **)mmap(0, sizeof(LADSPAInfo *), PROT_READ | PROT_WRITE, MAP_SHARED,
shm_db_fd, 0);

*m_SHMLDB = m_LADSPAInfo;
m_LADSPAInfo = *m_SHMDatabase;
} else {
std::cerr << "LADSPAPlugin: ERROR: Could not create SHM file '" << m_SHMLDBPath << "'" << std::endl;
std::cerr << "LADSPAPlugin: ERROR: Could not open SHM file '" << m_SHMDatabasePath << std::cerr;
m_LADSPAInfo = new LADSPAInfo(false, "");
}
} else {
std::cerr << "LADSPAPlugin: ERROR: Could not create SHM file '" << m_SHMRefCountPath << "'" << std::endl;
// Create LADSPA Plugin Database
m_LADSPAInfo = new LADSPAInfo(false, "");

// Need to create a new SHM file for ref counter
shm_rc_fd = shm_open((const char *)m_SHMRefCountPath, O_CREAT | O_RDWR, 0644);
if (shm_rc_fd > 0) {
ftruncate(shm_rc_fd, sizeof(unsigned long));
m_SHMRefCount = (unsigned long *)mmap(0, sizeof(unsigned long), PROT_READ | PROT_WRITE, MAP_SHARED,
shm_rc_fd, 0);

// Initilise to 1 (this instance)
*m_SHMRefCount = 1;

int shm_db_fd = shm_open((const char *)m_SHMDatabasePath, O_CREAT | O_RDWR, 0644);
if (shm_db_fd > 0) {
// Share database via pointer
ftruncate(shm_db_fd, sizeof(LADSPAInfo *));
m_SHMDatabase = (LADSPAInfo **)mmap(0, sizeof(LADSPAInfo *), PROT_READ | PROT_WRITE, MAP_SHARED,
shm_db_fd, 0);

*m_SHMDatabase = m_LADSPAInfo;
} else {
std::cerr << "LADSPAPlugin: ERROR: Could not create SHM file '" << m_SHMDatabasePath << "'" << std::endl;
}
} else {
std::cerr << "LADSPAPlugin: ERROR: Could not create SHM file '" << m_SHMRefCountPath << "'" << std::endl;
}
}
} else {
// Dang. Just create new database
m_LADSPAInfo = new LADSPAInfo(false, "");
}

#else
// No POSIX SHM, just create a new database
m_LADSPAInfo = new LADSPAInfo(false, "");
@@ -130,7 +163,7 @@ LADSPAPlugin::LADSPAPlugin()

ClearPlugin();

m_Version=8;
m_Version=9;

m_PluginInfo.Name="LADSPA";
m_PluginInfo.Width=500;
@@ -143,7 +176,7 @@ LADSPAPlugin::LADSPAPlugin()

// For receiving from GUI
m_AudioCH->RegisterData("SetUniqueID", ChannelHandler::INPUT,&(m_InData.UniqueID), sizeof(m_InData.UniqueID));
m_AudioCH->RegisterData("SetTabIndex", ChannelHandler::INPUT,&(m_InData.TabIndex), sizeof(m_InData.TabIndex));
m_AudioCH->RegisterData("SetPage", ChannelHandler::INPUT,&(m_InData.Page), sizeof(m_InData.Page));
m_AudioCH->RegisterData("SetUpdateInputs", ChannelHandler::INPUT,&(m_InData.UpdateInputs),sizeof(m_InData.UpdateInputs));
m_AudioCH->RegisterData("SetInputPortIndex", ChannelHandler::INPUT, &(m_InData.InputPortIndex), sizeof(m_InData.InputPortIndex));
m_AudioCH->RegisterData("SetInputPortDefault", ChannelHandler::INPUT, &(m_InData.InputPortDefault), sizeof(m_InData.InputPortDefault));
@@ -194,14 +227,14 @@ LADSPAPlugin::~LADSPAPlugin()
// Last instance, so unmap and unlink
munmap(m_SHMRefCount, sizeof(unsigned long));
shm_unlink(m_SHMRefCountPath);
munmap(m_SHMLDB, sizeof(LADSPAInfo *));
shm_unlink(m_SHMLDBPath);
munmap(m_SHMDatabase, sizeof(LADSPAInfo *));
shm_unlink(m_SHMDatabasePath);
// Delete the database itself
delete m_LADSPAInfo;
} else {
// Other instances still out there, so just unmap
munmap(m_SHMRefCount, sizeof(unsigned long));
munmap(m_SHMLDB, sizeof(LADSPAInfo *));
munmap(m_SHMDatabase, sizeof(LADSPAInfo *));
}
#else
delete m_LADSPAInfo;
@@ -289,9 +322,9 @@ void LADSPAPlugin::ExecuteCommands()
{
switch(m_AudioCH->GetCommand())
{
case (SETTABINDEX):
case (SETPAGE):
{
m_TabIndex = m_InData.TabIndex;
m_Page = m_InData.Page;
}
break;
case (SELECTPLUGIN):
@@ -363,12 +396,19 @@ void LADSPAPlugin::StreamOut(ostream &s)

switch (m_Version)
{
case 8:
case 9:
{
s<<m_TabIndex<<" ";
// Get number of unconnected inputs
m_UnconnectedInputs = m_PluginInfo.NumInputs;
for (int p = 0; p < m_PluginInfo.NumInputs; p++) {
if (m_OutData.InputPortValues[p].Connected) m_UnconnectedInputs--;
}

s<<m_Page<<" ";
s<<m_UpdateInputs<<" ";
s<<m_UniqueID<<" ";
s<<m_InputPortMin.size()<<" ";
s<<m_UnconnectedInputs<<" ";
assert(m_InputPortMin.size()==m_InputPortMax.size());
assert(m_InputPortMin.size()==m_InputPortClamp.size());
assert(m_InputPortMin.size()==m_InputPortDefault.size());
@@ -398,11 +438,44 @@ void LADSPAPlugin::StreamOut(ostream &s)
}
}
break;
case 8:
{
// s<<m_Page<<" ";
// s<<m_UpdateInputs<<" ";
// s<<m_UniqueID<<" ";
// s<<m_InputPortMin.size()<<" ";
// assert(m_InputPortMin.size()==m_InputPortMax.size());
// assert(m_InputPortMin.size()==m_InputPortClamp.size());
// assert(m_InputPortMin.size()==m_InputPortDefault.size());
// for (vector<float>::iterator i=m_InputPortMin.begin();
// i!=m_InputPortMin.end(); i++)
// {
// float f = finite(*i)?(*i):0.0f;
// s<< f <<" ";
// }
// for (vector<float>::iterator i=m_InputPortMax.begin();
// i!=m_InputPortMax.end(); i++)
// {
// float f = finite(*i)?(*i):0.0f;
// s<< f <<" ";
// }
// for (vector<bool>::iterator i=m_InputPortClamp.begin();
// i!=m_InputPortClamp.end(); i++)
// {
// float f = finite(*i)?(*i):0.0f;
// s<< f <<" ";
// }
// for (vector<float>::iterator i=m_InputPortDefault.begin();
// i!=m_InputPortDefault.end(); i++)
// {
// float f = finite(*i)?(*i):0.0f;
// s<< f <<" ";
// }
}
break;
case 7:
{
// Here for consistency - should never actually happen, as
// version is always 8!
// s<<m_TabIndex<<" ";
// s<<m_Page<<" ";
// s<<m_UniqueID<<" ";
// s<<m_InputPortMin.size()<<" ";
// assert(m_InputPortMin.size()==m_InputPortMax.size());
@@ -584,9 +657,40 @@ void LADSPAPlugin::StreamIn(istream &s)

switch (Version)
{
case 9:
{
s >> m_Page;
s >> m_UpdateInputs;
s >> UniqueID;
s >> PortCount;
s >> m_UnconnectedInputs;

for (int n=0; n<PortCount; n++)
{
s >> Min;
m_InputPortMin.push_back(Min);
}

for (int n=0; n<PortCount; n++)
{
s >> Max;
m_InputPortMax.push_back(Max);
}
for (int n=0; n<PortCount; n++)
{
s >> Clamp;
m_InputPortClamp.push_back(Clamp);
}
for (int n=0; n<PortCount; n++)
{
s >> Default;
m_InputPortDefault.push_back(Default);
}
}
break;
case 8:
{
s >> m_TabIndex;
s >> m_Page;
s >> m_UpdateInputs;
s >> UniqueID;
s >> PortCount;
@@ -616,7 +720,7 @@ void LADSPAPlugin::StreamIn(istream &s)
break;
case 7:
{
s >> m_TabIndex;
s >> m_Page;
s >> UniqueID;
s >> PortCount;

@@ -832,7 +936,15 @@ void LADSPAPlugin::StreamIn(istream &s)
// Need to reset ports - none will have been saved
UpdatePlugin(UniqueID);
} else {
// Versions prior to 9 have 'Setup' page as page 1
// This is now page 2, as the sliders are page 1
if (Version < 9 && m_Page == 1) m_Page = 2;

if (SelectPlugin(UniqueID)) {
// Versions prior to 9 will not have the unconnected inupts saved
// Default to the number of input ports.
if (Version < 9) m_UnconnectedInputs = m_InputPortCount;

SetGUIExports();
} else {
ClearPlugin();
@@ -981,10 +1093,11 @@ void LADSPAPlugin::ClearPlugin(void)
m_LADSPAInfo->DiscardDescriptorByID(m_UniqueID);
}

m_TabIndex = 1;
m_Page = 1;
m_UpdateInputs = true;
m_UniqueID = 0;
m_InputPortCount = 0;
m_UnconnectedInputs = 0;
strncpy(m_Name, "None\0", 5);
strncpy(m_Maker, "None\0", 5);



+ 27
- 9
SpiralSound/Plugins/LADSPAPlugin/LADSPAPlugin.h View File

@@ -64,9 +64,10 @@ public:
unsigned long GetUniqueID() { return m_UniqueID; }
const char *GetName() { return (const char *)m_Name; }
const char *GetMaker() { return (const char *)m_Maker; }
int GetTabIndex() { return m_TabIndex; }
int GetPage() { return m_Page; }
bool GetUpdateInputs() { return m_UpdateInputs; }
unsigned long GetInputPortCount() { return m_InputPortCount; }
unsigned long GetUnconnectedInputs() { return m_UnconnectedInputs; }
const char *GetInputPortName(unsigned long p)
{
return (const char *)(m_OutData.InputPortNames + p * 256);
@@ -79,11 +80,15 @@ public:
{
return m_OutData.InputPortDefaults[p];
}
PortValue GetInputPortValue(unsigned long p)
{
return m_OutData.InputPortValues[p];
}

enum GUICommands
{
NONE,
SETTABINDEX,
SETPAGE,
SELECTPLUGIN,
CLEARPLUGIN,
SETUPDATEINPUTS,
@@ -117,14 +122,19 @@ private:

unsigned long m_PluginIndex;
unsigned long m_UniqueID;
int m_TabIndex;
int m_Page;
bool m_UpdateInputs;

unsigned long m_MaxInputPortCount;
unsigned long m_InputPortCount;
char m_Name[256];
char m_Name[256];
char m_Maker[256];

// This is stored in the patch file, and retreived by the GUI
// on patch load, since we won't know this until the whole patch
// is loaded and connected.
unsigned long m_UnconnectedInputs;

// Data sent to GUI
struct OutputChannelData
{
@@ -132,13 +142,13 @@ private:
PortSetting *InputPortSettings;
PortValue *InputPortValues;
float *InputPortDefaults;
};
};

// Data received from GUI
struct InputChannelData
{
unsigned long UniqueID;
int TabIndex;
int Page;
bool UpdateInputs;
unsigned long InputPortIndex;
float InputPortDefault;
@@ -152,11 +162,19 @@ private:

#ifdef USE_POSIX_SHM
// SHM stuff - for sharing the LADSPA Plugin database
static const char * const m_SHMRefCountPath = "/SpiralSynthModular-LADSPAPlugin-RefCount";
static const char * const m_SHMLDBPath = "/SpiralSynthModular-LADSPAPlugin-Database";
// The actual paths are combined with the Process ID for the current SSM audio thread
// to allow multiple instances of SSM to run, and to avoid picking up stale SHMs
// from crashed instances.
static const char * const m_SHMPath = "/SSM-LADSPAPlugin-";
static const char * const m_SHMPathRC = "-RefCount";
static const char * const m_SHMPathDB = "-Database";

char *m_SHMRefCountPath;
char *m_SHMDatabasePath;

pid_t *m_SHMPID;
unsigned long *m_SHMRefCount;
LADSPAInfo **m_SHMLDB;
LADSPAInfo **m_SHMDatabase;
#endif
};



+ 898
- 338
SpiralSound/Plugins/LADSPAPlugin/LADSPAPluginGUI.C
File diff suppressed because it is too large
View File


+ 63
- 27
SpiralSound/Plugins/LADSPAPlugin/LADSPAPluginGUI.h View File

@@ -62,47 +62,73 @@ public:
protected:
const string GetHelpText(const string &loc);
private:
void AddPortInfo(unsigned long p);
void SetTabIndex(int index);
void SetUpdateInputs(bool state);
void ClearPlugin(void);
void SelectPlugin(void);

void SetPage(int index);
void SetUniqueID(unsigned long n);
void SetName(const char *s);
void SetMaker(const char *s);
void SetPortSettings(unsigned long p);
void SetPortControlKnobValue(unsigned long p);
void SetPortControlKnobRange(unsigned long p, float min, float max);
void UpdatePortControlKnobs(void);
void ClearPlugin(void);
void SelectPlugin(void);
void SetUpdateInputs(bool state);

void AddPortInfo(unsigned long p);
void HandleResize(void);

// For SetControlValue
enum WhichControl
{
KNOB,
SLIDER,
BOTH
};

void UpdateKnobs(void);
void UpdateSliders(void);
void SetControlValue(unsigned long p, WhichControl wc);
void SetControlRange(unsigned long p, float min, float max);
void SetPortValue(unsigned long p, float value, int frompage);

Fl_Color m_GUIColour;
Fl_Box *m_NameLabel;
Fl_Box *m_MakerLabel;
Fl_Tabs *m_Tab;
Fl_Group *m_ControlGroup;
Fl_Scroll *m_ControlScroll;
Fl_Pack *m_ControlPack;

// Buttons
Fl_Button *m_BKnob;
Fl_Button *m_BSlider;
Fl_Button *m_BSetup;
// Knobs
Fl_Group *m_KnobGroup;
std::vector<Fl_Knob *> m_Knobs;
std::vector<Fl_Input *> m_KnobDefaults;
std::vector<Fl_Box *> m_KnobLabels;
std::vector<char *> m_KnobLabelBuffers;
// Sliders
Fl_Group *m_SliderGroup;
std::vector<Fl_Slider *> m_Sliders;
std::vector<Fl_Input *> m_SliderDefaults;
std::vector<Fl_Box *> m_SliderLabels;
std::vector<char *> m_SliderLabelBuffers;
// Setup stuff
Fl_Group *m_SetupGroup;
Fl_Choice *m_Browser;

Fl_Box *m_NameLabel;
Fl_Box *m_MakerLabel;
Fl_Box *m_ValueLabel;
Fl_Box *m_DefaultLabel;
Fl_Box *m_MinLabel;
Fl_Box *m_MaxLabel;
Fl_Box *m_ClampLabel;
Fl_Box *m_PortLabel;

Fl_Scroll *m_InputScroll;
Fl_Pack *m_InputPack;
Fl_LED_Button *m_UpdateInputs;
std::vector<Fl_Output*> m_PortValue;
std::vector<Fl_Input*> m_PortMin;
std::vector<Fl_Input*> m_PortMax;
std::vector<Fl_Check_Button*> m_PortClamp;
std::vector<Fl_Input*> m_PortDefault;
std::vector<Fl_Knob*> m_PortControlKnobs;
std::vector<Fl_Slider*> m_PortControlSliders;
std::vector<char *> m_PortControlLabels;

Fl_Scroll *m_InputScroll;
Fl_Pack *m_InputPack;
Fl_LED_Button *m_UpdateInputs;

unsigned long m_UnconnectedInputs;

std::vector<LADSPAInfo::PluginEntry> m_PluginList;
std::vector<unsigned long> m_PluginIDLookup;
@@ -114,7 +140,7 @@ private:
bool m_Clamp;

unsigned long m_UniqueID;
int m_TabIndex;
int m_Page;
bool m_UpdateInputState;
char m_Name[256];
char m_Maker[256];
@@ -125,8 +151,12 @@ private:
PortValue *m_InputPortValues;
float *m_InputPortDefaults;

inline void cb_TabChange_i(Fl_Tabs *o);
static void cb_TabChange(Fl_Tabs *o);
inline void cb_BKnob_i(Fl_Button* o);
static void cb_BKnob(Fl_Button* o);
inline void cb_BSlider_i(Fl_Button* o);
static void cb_BSlider(Fl_Button* o);
inline void cb_BSetup_i(Fl_Button* o);
static void cb_BSetup(Fl_Button* o);
inline void cb_Select_i(Fl_Choice* o);
static void cb_Select(Fl_Choice* o);
inline void cb_UpdateInputs_i(Fl_LED_Button* o);
@@ -139,8 +169,14 @@ private:
static void cb_Max(Fl_Input* o);
inline void cb_Clamp_i(Fl_Check_Button* o);
static void cb_Clamp(Fl_Check_Button* o);
inline void cb_DefaultAdjust_i(Fl_Knob *o);
static void cb_DefaultAdjust(Fl_Knob *o);
inline void cb_Knob_i(Fl_Knob *o);
static void cb_Knob(Fl_Knob *o);
inline void cb_KnobValue_i(Fl_Input *o);
static void cb_KnobValue(Fl_Input *o);
inline void cb_Slider_i(Fl_Slider *o);
static void cb_Slider(Fl_Slider *o);
inline void cb_SliderValue_i(Fl_Input *o);
static void cb_SliderValue(Fl_Input *o);
};

#endif // __ladspa_plugin_gui_h__

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