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spiralsynthmodular
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mixer - now has between 2 and 16 inputs not just 4

master
edgeeffect 22 years ago
parent
1a7a56b7e8
commit
6e5dd8c32a
4 changed files with 226 additions and 150 deletions
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  1. +81
    -55
      SpiralSound/Plugins/MixerPlugin/MixerPlugin.C
  2. +28
    -33
      SpiralSound/Plugins/MixerPlugin/MixerPlugin.h
  3. +95
    -41
      SpiralSound/Plugins/MixerPlugin/MixerPluginGUI.C
  4. +22
    -21
      SpiralSound/Plugins/MixerPlugin/MixerPluginGUI.h

+ 81
- 55
SpiralSound/Plugins/MixerPlugin/MixerPlugin.C View File

@@ -14,7 +14,9 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
*/

#include <stdio.h>
#include "MixerPlugin.h"
#include "MixerPluginGUI.h"
#include <FL/Fl_Button.h>
@@ -44,26 +46,17 @@ string GetGroupName()

///////////////////////////////////////////////////////

MixerPlugin::MixerPlugin()
MixerPlugin::MixerPlugin() :
m_NumChannels(0)
{
m_PluginInfo.Name="Mixer";
m_PluginInfo.Width=100;
m_PluginInfo.Height=125;
m_PluginInfo.NumInputs=4;
m_PluginInfo.NumOutputs=1;
m_PluginInfo.PortTips.push_back("Input one");
m_PluginInfo.PortTips.push_back("Input two");
m_PluginInfo.PortTips.push_back("Input three");
m_PluginInfo.PortTips.push_back("Input four");
m_PluginInfo.PortTips.push_back("Output");
for (int n=0; n<NUM_CHANNELS; n++)
{
m_ChannelVal[n]=1.0f;
}
m_AudioCH->Register("Value",&m_GUIArgs.Value);
m_AudioCH->Register("Num",&m_GUIArgs.Num);
m_Version = 2;
m_PluginInfo.Name="Mixer";
m_PluginInfo.Width=80;
m_PluginInfo.Height=145;
CreatePorts ();
for (int n=0; n<MAX_CHANNELS; n++) m_ChannelVal[n]=1.0f;
m_AudioCH->Register("Value", &m_GUIArgs.Value);
m_AudioCH->Register("Num", &m_GUIArgs.Num);
}

MixerPlugin::~MixerPlugin()
@@ -71,7 +64,7 @@ MixerPlugin::~MixerPlugin()
}

PluginInfo &MixerPlugin::Initialise(const HostInfo *Host)
{
{
return SpiralPlugin::Initialise(Host);
}

@@ -82,44 +75,77 @@ SpiralGUIType *MixerPlugin::CreateGUI()
this,m_AudioCH,m_HostInfo);
}

void MixerPlugin::Execute()
{
// Mix the inputs
for (int n=0; n<m_HostInfo->BUFSIZE; n++)
{
SetOutput(0,n,(GetInput(0,n)*m_ChannelVal[0])+
(GetInput(1,n)*m_ChannelVal[1])+
(GetInput(2,n)*m_ChannelVal[2])+
(GetInput(3,n)*m_ChannelVal[3]));
}
void MixerPlugin::Execute () {
// Mix the inputs
for (int n=0; n<m_HostInfo->BUFSIZE; n++) {
float out = 0.0;
for (int c=0; c<m_NumChannels; c++) out += (GetInput (c, n) * m_ChannelVal[c]);
SetOutput (0, n, out);
}
}

void MixerPlugin::ExecuteCommands()
{
if (m_AudioCH->IsCommandWaiting())
{
switch (m_AudioCH->GetCommand())
{
case (SETCH) : SetChannel(m_GUIArgs.Num,m_GUIArgs.Value); break;
}
}
void MixerPlugin::ExecuteCommands() {
if (m_AudioCH->IsCommandWaiting()) {
switch (m_AudioCH->GetCommand()) {
case SETCH:
SetChannel (m_GUIArgs.Num, m_GUIArgs.Value);
break;
case SETNUM:
SetChannels (m_GUIArgs.Num);
break;
}
}
}

void MixerPlugin::StreamOut(ostream &s)
{
s<<m_Version<<" ";
for (int n=0; n<NUM_CHANNELS; n++)
{
s<<m_ChannelVal[n]<<" ";
}
void MixerPlugin::SetChannels (int n) {
// once to clear the connections with the current info
// do we need this????
UpdatePluginInfoWithHost();
// Things can get a bit confused deleting and adding inputs
// so we just chuck away all the ports...
RemoveAllInputs ();
RemoveAllOutputs ();
m_PluginInfo.NumInputs = 0;
m_PluginInfo.NumOutputs = 0;
m_PluginInfo.PortTips.clear ();
// ... and then create some new ones
CreatePorts (n, true);
// do the actual update
UpdatePluginInfoWithHost ();
}

void MixerPlugin::CreatePorts (int n, bool AddPorts) {
int c;
m_PluginInfo.NumInputs = n;
m_NumChannels = n;
char t[256];
for (c=1; c<=n; c++) {
sprintf (t, "Input %d", c);
m_PluginInfo.PortTips.push_back (t);
}
m_PluginInfo.NumOutputs = 1;
m_PluginInfo.PortTips.push_back ("Output");
if (AddPorts) {
for (c=0; c<m_PluginInfo.NumInputs; c++) AddInput();
for (c=0; c<m_PluginInfo.NumOutputs; c++) AddOutput();
}
}

void MixerPlugin::StreamOut (ostream &s) {
s << m_Version << " ";
s << m_NumChannels << " ";
for (int n=0; n<m_NumChannels; n++) s << m_ChannelVal[n] << " ";
}

void MixerPlugin::StreamIn(istream &s)
{
int version;
s>>version;
for (int n=0; n<NUM_CHANNELS; n++)
{
s>>m_ChannelVal[n];
}
void MixerPlugin::StreamIn (istream &s) {
int version, chans;
s >> version;
switch (version) {
case 1: SetChannels (4);
break;
case 2: s >> chans;
SetChannels (chans);
break;
}
for (int n=0; n<m_NumChannels; n++) s >> m_ChannelVal[n];
}

+ 28
- 33
SpiralSound/Plugins/MixerPlugin/MixerPlugin.h View File

@@ -14,7 +14,7 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
*/

#include "../SpiralPlugin.h"
#include <FL/Fl_Pixmap.H>
@@ -22,39 +22,34 @@
#ifndef MixerPLUGIN
#define MixerPLUGIN

static const int NUM_CHANNELS = 4;
static const int MAX_CHANNELS = 16;

class MixerPlugin : public SpiralPlugin
{
public:
MixerPlugin();
virtual ~MixerPlugin();
virtual PluginInfo &Initialise(const HostInfo *Host);
virtual SpiralGUIType *CreateGUI();
virtual void Execute();
virtual void ExecuteCommands();
virtual void StreamOut(ostream &s);
virtual void StreamIn(istream &s);
// has to be defined in the plugin
virtual void UpdateGUI() { Fl::check(); }
enum GUICommands{NONE,SETCH};
struct GUIArgs
{
int Num;
float Value;
};
float GetChannel(int n) { return m_ChannelVal[n]; }
private:

GUIArgs m_GUIArgs;

void SetChannel(int n, float s) { m_ChannelVal[n]=s; }
float m_ChannelVal[NUM_CHANNELS];
class MixerPlugin : public SpiralPlugin {
public:
MixerPlugin();
virtual ~MixerPlugin();
virtual PluginInfo &Initialise(const HostInfo *Host);
virtual SpiralGUIType *CreateGUI();
virtual void Execute();
virtual void ExecuteCommands();
virtual void StreamOut(ostream &s);
virtual void StreamIn(istream &s);
// has to be defined in the plugin
virtual void UpdateGUI() { Fl::check(); }
enum GUICommands { NONE, SETCH, SETNUM };
struct GUIArgs {
int Num;
float Value;
};
float GetChannel (int n) { return m_ChannelVal[n]; }
int GetChannels (void) { return m_NumChannels; }
private:
void CreatePorts (int n = 4, bool AddPorts = false);
GUIArgs m_GUIArgs;
int m_NumChannels;
void SetChannel (int n, float s) { m_ChannelVal[n]=s; }
void SetChannels (int n);
float m_ChannelVal[MAX_CHANNELS];
};

#endif

+ 95
- 41
SpiralSound/Plugins/MixerPlugin/MixerPluginGUI.C View File

@@ -14,7 +14,7 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
*/

#include "MixerPluginGUI.h"
#include <FL/fl_draw.h>
@@ -28,51 +28,105 @@ static const int GUIBG2_COLOUR = 145;

MixerPluginGUI::MixerPluginGUI(int w, int h,MixerPlugin *o,ChannelHandler *ch,const HostInfo *Info) :
SpiralPluginGUI(w,h,o,ch)
{
int Width=20;
int Height=100;
for (int n=0; n<NUM_CHANNELS; n++)
{
Numbers[n]=n;
m_Chan[n] = new Fl_Slider(10+(2+Width)*n, 22, Width, Height, "");
m_Chan[n]->type(4);
m_Chan[n]->selection_color(GUI_COLOUR);
m_Chan[n]->labelsize(10);
m_Chan[n]->maximum(2);
m_Chan[n]->step(0.01);
m_Chan[n]->value(1.0);
m_Chan[n]->callback((Fl_Callback*)cb_Chan,(void*)&Numbers[n]);
add(m_Chan[n]);
}
end();
{
for (int n=0; n<MAX_CHANNELS; n++) Numbers[n]=n;
m_MainPack = new Fl_Pack(0, 20, w, 100);
m_MainPack->type (FL_HORIZONTAL);
add (m_MainPack);

// start with four...
AddChan(); AddChan(); AddChan(); AddChan();

m_Buttons = new Fl_Pack (0, 122, 45, 20);
m_Buttons->type (FL_HORIZONTAL);
add (m_Buttons);
m_Delete = new Fl_Button (2, 0, 20, 20, "-");
m_Delete->callback ((Fl_Callback*)cb_Delete);
m_Buttons->add (m_Delete);
m_Add = new Fl_Button (24, 0, 20, 20, "+");
m_Add->callback ((Fl_Callback*)cb_Add);
m_Buttons->add (m_Add);
}

void MixerPluginGUI::UpdateValues(SpiralPlugin *o)
{
MixerPlugin *Plugin = (MixerPlugin *)o;
for (int n=0; n<NUM_CHANNELS; n++)
{
m_Chan[n]->value(2.0f-Plugin->GetChannel(n));
}
void MixerPluginGUI::AddChan (bool SendData = false, bool ResizeIt = false) {
Fl_Slider *NewSlide = new Fl_Slider (0, 0, 20, 100, "");
NewSlide->type (4);
NewSlide->selection_color (GUI_COLOUR);
NewSlide->labelsize (10);
NewSlide->maximum (2);
NewSlide->step (0.01);
NewSlide->value (1.0);
int num = (int)m_SlidVec.size();
NewSlide->callback ((Fl_Callback*)cb_Chan, (void*)&Numbers[num]);
m_MainPack->add (NewSlide);
m_SlidVec.push_back (NewSlide);
if (ResizeIt) resize (x(), y(), w()+20, h());
if (SendData) {
if (ResizeIt) redraw ();
m_GUICH->Set ("Num", ++num);
m_GUICH->SetCommand (MixerPlugin::SETNUM);
m_GUICH->Wait ();
m_GUICH->Set ("Num", num);
m_GUICH->Set ("Value", (float)(2.0f - NewSlide->value ()));
m_GUICH->SetCommand(MixerPlugin::SETCH);
}
}

void MixerPluginGUI::DeleteChan (bool SendData = true, bool DrawIt = true) {
vector<Fl_Slider*>::iterator i = m_SlidVec.end ();
i--;
m_MainPack->remove (*i);
delete *i;
m_SlidVec.erase (i);
if (SendData) {
m_GUICH->Set ("Num", (int)m_SlidVec.size());
m_GUICH->SetCommand (MixerPlugin::SETNUM);
}
resize (x(), y(), w()-20, h());
if (DrawIt) redraw();
}

void MixerPluginGUI::UpdateValues(SpiralPlugin *o) {
MixerPlugin *Plugin = (MixerPlugin *)o;
unsigned int chans = Plugin->GetChannels();
while (chans < m_SlidVec.size()) DeleteChan (false, false);
while (chans > m_SlidVec.size()) AddChan (false, true);
for (unsigned int n=0; n<chans; n++)
m_SlidVec[n]->value (2.0f - Plugin->GetChannel (n));
redraw();
}

inline void MixerPluginGUI::cb_Add_i(Fl_Button* o, void* v) {
if ((int)m_SlidVec.size() < MAX_CHANNELS) AddChan (true, true);
}
inline void MixerPluginGUI::cb_Chan_i(Fl_Slider* o, void* v)
{
m_GUICH->Set("Num",(*(int*)(v)));
m_GUICH->Set("Value",(float)(2.0f-o->value()));
m_GUICH->SetCommand(MixerPlugin::SETCH);

void MixerPluginGUI::cb_Add(Fl_Button* o, void* v) {
((MixerPluginGUI*)(o->parent()->parent()))->cb_Add_i(o,v);
}

void MixerPluginGUI::cb_Chan(Fl_Slider* o, void* v)
{ ((MixerPluginGUI*)(o->parent()))->cb_Chan_i(o,v);}
inline void MixerPluginGUI::cb_Delete_i(Fl_Button* o, void* v) {
if (m_SlidVec.size() > 2) DeleteChan ();
}

void MixerPluginGUI::cb_Delete(Fl_Button* o, void* v) {
((MixerPluginGUI*)(o->parent()->parent()))->cb_Delete_i(o,v);
}

inline void MixerPluginGUI::cb_Chan_i(Fl_Slider* o, void* v) {
m_GUICH->Set("Num", (*(int*)(v)));
m_GUICH->Set("Value", (float)(2.0f-o->value()));
m_GUICH->SetCommand (MixerPlugin::SETCH);
}

void MixerPluginGUI::cb_Chan(Fl_Slider* o, void* v) {
((MixerPluginGUI*)(o->parent()->parent()))->cb_Chan_i(o,v);
}

const string MixerPluginGUI::GetHelpText(const string &loc){
return string("")
+ "A general purpose 4 channel mixer, not much else to say\n"
+ "really. Useful for mixing CV values as well as mono audio\n"
+ "signals. \n";
return string("")
+ "A general purpose mixer, not much else to say really.\n"
+ "Useful for mixing CV values as well as mono audio\n"
+ "signals.\n"
+ "Add up to 16 channels using the '+' button.\n"
+ "Use the '-' button to remove unwanted channels.\n";
}

+ 22
- 21
SpiralSound/Plugins/MixerPlugin/MixerPluginGUI.h View File

@@ -14,11 +14,12 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
*/

#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Group.H>
#include <FL/Fl_Pack.H>
#include <FL/Fl_Slider.H>

#include "MixerPlugin.h"
@@ -27,27 +28,27 @@
#ifndef MixerGUI
#define MixerGUI

static int Numbers[MAX_CHANNELS];

class MixerPluginGUI : public SpiralPluginGUI
{
public:
MixerPluginGUI(int w, int h, MixerPlugin *o,ChannelHandler *ch,const HostInfo *Info);
virtual void UpdateValues(SpiralPlugin *o);

protected:
const string GetHelpText(const string &loc);
private:
int Numbers[NUM_CHANNELS];
Fl_Slider* m_Chan[NUM_CHANNELS];
//// Callbacks ////
inline void cb_Chan_i(Fl_Slider* o, void* v);
static void cb_Chan(Fl_Slider* o, void* v);
class MixerPluginGUI : public SpiralPluginGUI {
public:
MixerPluginGUI(int w, int h, MixerPlugin *o,ChannelHandler *ch,const HostInfo *Info);
virtual void UpdateValues(SpiralPlugin *o);
protected:
const string GetHelpText(const string &loc);
private:
void AddChan (bool SendData = false, bool ResizeIt = false);
void DeleteChan (bool SendData = true, bool DrawIt = true);
vector<Fl_Slider*> m_SlidVec;
Fl_Pack *m_MainPack, *m_Buttons;
Fl_Button *m_Add, *m_Delete;
//// Callbacks ////
inline void cb_Chan_i (Fl_Slider* o, void* v);
static void cb_Chan (Fl_Slider* o, void* v);
inline void cb_Add_i (Fl_Button* o, void* v);
static void cb_Add (Fl_Button* o, void* v);
inline void cb_Delete_i (Fl_Button* o, void* v);
static void cb_Delete (Fl_Button* o, void* v);
};

#endif

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