readme

.gitignore

@@ -11,3 +11,4 @@ vstsdk2.4
 # files
 
 build/Release64/pdvstdebug.txt
+build/Release32/pdvstdebug.txt

README.md

@@ -8,8 +8,8 @@ or higher.
 # How does it work ?
 
 PdVst consists of two main parts : 
-* a vst-plugin (pdvst-template32.dll, pdvst-template64.dll) to place in your favorite vst folder.
+* a vst-plugin (`pdvst-template.dll`) to place in your favorite vst folder.
-* a custom external scheduler (vstschedlib.dll) to copy in the pure-data /bin folder
+* a custom external scheduler (`vstschedlib.dll`) to copy in the pure-data /bin folder
 
 When a PdVst plugin is opened by the host application, a setup file (*.pdv) is read to determine
 information about the plugin, such as the Pd patch file to use, the number of parameters, etc...  
@@ -20,7 +20,7 @@ An instance of Pd.exe is started and opens the Pd patch file whose name was foun
 This new version doesn't need a custom version of pure-data. You can use your current pure-data
 installation (>= Pd-0.52) with your favorite externals). 
 
-1) According to your pd version (32 or 64 bits), go to the folder pd-scheduler32 or pd-scheduler64.
+1) According to your pd version (32 or 64 bits), go to the folder `Release32` or `Release64`.
 Copy `vstschedlib.dll` to `\bin` directory of your current pure-data installation
      
 2) Copy your plugin `.dll` file (e.g. `Pd_Gain.dll`) to the vst plugins directory
@@ -49,9 +49,9 @@ Copy `vstschedlib.dll` to `\bin` directory of your current pure-data installatio
    files (`.pd` files, external Pd library `.dll` files, etc.) as specified above (section
    "Installation").
 
-* Make a copy of the `pdvst-template32.dll` / `pdvst-template64.dll` file and
+* Make a copy of the `pdvst-template.dll` file and
    rename the same as the plugin and `.pdv` file (e.g. for a plugin named
-   Pd_Gain you would copy `pdvst-template32.dll` to a new file named `Pd_Gain.dll`).
+   Pd_Gain you would copy `pdvst-template.dll` to a new file named `Pd_Gain.dll`).
    Move your new plugin `.dll` file to the vst plugins folder of the application.
    
 # The .pdv Setup File-
@@ -106,6 +106,12 @@ For an example, see Pd_Gain.pdv.
     Defines the parameter values for the last declared program. <float> must be 
     between 0 and 1 inclusive.
 
+    PROGRAMSARECHUNKS = <TRUE/FALSE>
+    Save and Get Pd lists in .fxp file via ([s svstdata] and [r rvstdata])
+    Some hosts don't work correctly with this.
+    If in doubt just use FALSE.
+ 
+
 # Pd/VST audio/midi Communication
 
 When the plugin is opened, the .pd patch file declared in the .pdv setup file's MAIN key 
@@ -128,16 +134,18 @@ For purposes such as GUI interaction and VST automation, your patch may need to
 further with the VST host. Special Pd send/receive symbols can be used in your Pd patch. 
 For an example, see the pd-gain.pd file.
 
-* rvstparameter<integer> : Use this symbol to receive parameter values from the VST host. Values will be floats between 0 and 1 inclusive. 
+* `rvstparameter<integer>` : Use this symbol to receive parameter values from the VST host. Values will be floats between 0 and 1 inclusive. 
-* svstparameter<integer> : Use this symbol to send parameter values to the VST host. Values should be floats between 0 and 1 inclusive. 
+* `svstparameter<integer>` : Use this symbol to send parameter values to the VST host. Values should be floats between 0 and 1 inclusive. 
-* rvstopengui : Use this symbol to receive notification that the patch's GUI should be opened or closed. The value will be either 1 or 0. 
+* `rvstopengui` : Use this symbol to receive notification that the patch's GUI should be opened or closed. The value will be either 1 or 0.
-* rvstplugname : Use this symbol to receive plug & instance name from host
+* `rvstprognumber`: Use this symbol to receive program number changes from host.
-* vstTimeInfo (play head information support) : 
+* `rvstprogname`: Use this symbol to receive program name changes from host.
+* `rvstplugname`: Use this symbol to receive plug & instance name from host
+* `vstTimeInfo`: (play head information support) : 
 
-vstTimeInfo.ppqPos, vstTimeInfo.tempo, vstTimeInfo.timeSigNumerator, vstTimeInfo.timeSigDenominator, vstTimeInfo.flags are experimental receivers for getting time infos from host. Names should change in the future.
+`vstTimeInfo.ppqPos`, `vstTimeInfo.tempo`, `vstTimeInfo.timeSigNumerator`, `vstTimeInfo.timeSigDenominator`, `vstTimeInfo.flags` are experimental receivers for getting time infos from host. Names should change in the future.
 
 * EXPERIMENTAL
-  guiName : use this symbol to send and signal to the host the name of the gui-extra window to embed (see Pd_Gain(gui) example).
+  `guiName` : use this symbol to send and signal to the host the name of the gui-extra window to embed (see Pd_Gain(gui) example).
   
 Note: for most VST hosts, parameters for VST instruments are recorded as sysex data, so be 
 sure to disable any MIDI message filtering in the VST host. 

build/Release32/Pd_Chunks-test/Pd_Chunks-test.pd

@@ -0,0 +1,78 @@
+#N canvas 19 118 885 488 12;
+#X obj 78 87 adc~, f 6;
+#X obj 73 241 loadbang;
+#X msg 73 271 \; pd dsp 1 \;;
+#X obj 77 162 dac~, f 6;
+#X msg 142 52 \$1 30;
+#X obj 142 87 line~;
+#X obj 122 127 *~;
+#X obj 78 127 *~;
+#X obj 142 11 r gain;
+#X obj 242 8 r rvstparameter0;
+#X obj 239 279 * 100;
+#X obj 239 307 dbtorms;
+#X obj 239 334 s gain;
+#X obj 297 269 s svstparameter0;
+#X obj 242 72 vsl 50 128 0 1 0 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000 0 1;
+#X msg 242 39 set \$1;
+#X text 320 114 range is 0..1;
+#X obj 64 393 r rvstplugname;
+#X symbolatom 64 425 26 0 0 0 - - - 0;
+#X obj 478 422 r rvstdata;
+#X obj 476 331 s svstdata;
+#X obj 478 454 print;
+#X symbolatom 673 132 26 0 0 0 - - - 0;
+#X obj 673 100 r rvstprogname;
+#X obj 503 100 r rvstprognumber;
+#X floatatom 503 124 5 0 0 0 - - - 0;
+#X text 464 273 1 send some data to the host's data chunk;
+#X text 463 358 2 from the host save the file as .fxp or .fxb;
+#X msg 476 299 hello world 1.2;
+#X text 462 392 3 from the host open the file you saved;
+#X text 500 11 When the host chamges the program these 2 are updated. Additionally you can use this to set lots of parameters that are not exposed to host. The program used is stored and recalled in the host/DAW project., f 49;
+#N canvas 182 182 450 300 additionally 0;
+#X msg 121 99 12 34 56 hello;
+#X msg 150 136 0.2 0.4 0.78 foo;
+#X msg 190 179 0.2 0.4 0.78 bar;
+#X msg 211 208 0.7 0.5 10 something;
+#X obj 117 49 sel 0 1 2 3;
+#X obj 136 250 list;
+#X obj 136 274 outlet;
+#X obj 117 15 inlet;
+#X connect 0 0 5 0;
+#X connect 1 0 5 0;
+#X connect 2 0 5 0;
+#X connect 3 0 5 0;
+#X connect 4 0 0 0;
+#X connect 4 1 1 0;
+#X connect 4 2 2 0;
+#X connect 4 3 3 0;
+#X connect 5 0 6 0;
+#X connect 7 0 4 0;
+#X restore 503 154 pd additionally;
+#X listbox 503 182 23 0 0 0 - - - 0;
+#X text 466 223 Experimental. Not all hosts supports it correctly. See the .pdv file. This only works if PROGRAMSARECHUNKS = TRUE is set., f 50;
+#X obj 242 213 t f f;
+#X connect 0 0 7 0;
+#X connect 0 1 6 0;
+#X connect 1 0 2 0;
+#X connect 4 0 5 0;
+#X connect 5 0 6 1;
+#X connect 5 0 7 1;
+#X connect 6 0 3 1;
+#X connect 7 0 3 0;
+#X connect 8 0 4 0;
+#X connect 9 0 15 0;
+#X connect 10 0 11 0;
+#X connect 11 0 12 0;
+#X connect 14 0 34 0;
+#X connect 15 0 14 0;
+#X connect 17 0 18 0;
+#X connect 19 0 21 0;
+#X connect 23 0 22 0;
+#X connect 24 0 25 0;
+#X connect 25 0 31 0;
+#X connect 28 0 20 0;
+#X connect 31 0 32 0;
+#X connect 34 0 10 0;
+#X connect 34 1 13 0;

build/Release32/Pd_Chunks-test/Pd_Chunks-test.pdv

@@ -0,0 +1,57 @@
+# Number of audio input and output channels
+CHANNELS = 2
+
+# installation directory of puredata (optional)
+# If non specified, will search in <host_exec_dir>\pdvst\pd\ 
+# then in <vst_dir>\.pd\
+#PDPATH = D:\Programs\pd-0.48-1-test\
+
+# Main Pd patch of the plugin
+MAIN = Pd_Chunks-test.pd
+
+# Unique four character VST plugin ID
+ID = pdch
+
+# Whether this is a VSTi
+SYNTH = FALSE
+
+# Whether there is a custom GUI (e.g. GrIPD)
+CUSTOMGUI = FALSE
+
+# Display Pd GUI or not
+DEBUG = TRUE
+
+# External libraries (comma delimited list, relative to pdvst/)
+# ***OBSOLETE, use [declare] inside patch instead*** 
+#LIB = 
+
+# Save and Get Pd lists in .fxp file via ([s svstdata] and [r rvstdata])
+# Some hosts don't work correctly with this.
+# If in doubt just use FALSE.
+PROGRAMSARECHUNKS = FALSE
+
+# Number of VST parameters (up to 128)
+PARAMETERS = 1
+
+# Name of first VST parameter
+# used when CUSTOMGUI is false or VST host doesn't support custom editors
+NAMEPARAMETER0 = Level
+
+# Define a program (up to 128)
+PROGRAM = Full Blast
+
+# Set first parameter value for this program
+PARAMETER0 = 1.0
+
+#another program
+PROGRAM = Muted
+
+PARAMETER0 = 0.0
+
+#another program
+PROGRAM = -6dB
+
+PARAMETER0 = 0.5
+
+#another program
+PROGRAM = test empty param

build/Release64/Pd_Chunks-test/Pd_Chunks-test.pd

@@ -0,0 +1,78 @@
+#N canvas 19 118 885 488 12;
+#X obj 78 87 adc~, f 6;
+#X obj 73 241 loadbang;
+#X msg 73 271 \; pd dsp 1 \;;
+#X obj 77 162 dac~, f 6;
+#X msg 142 52 \$1 30;
+#X obj 142 87 line~;
+#X obj 122 127 *~;
+#X obj 78 127 *~;
+#X obj 142 11 r gain;
+#X obj 242 8 r rvstparameter0;
+#X obj 239 279 * 100;
+#X obj 239 307 dbtorms;
+#X obj 239 334 s gain;
+#X obj 297 269 s svstparameter0;
+#X obj 242 72 vsl 50 128 0 1 0 0 empty empty empty 0 -9 0 10 #fcfcfc #000000 #000000 0 1;
+#X msg 242 39 set \$1;
+#X text 320 114 range is 0..1;
+#X obj 64 393 r rvstplugname;
+#X symbolatom 64 425 26 0 0 0 - - - 0;
+#X obj 478 422 r rvstdata;
+#X obj 476 331 s svstdata;
+#X obj 478 454 print;
+#X symbolatom 673 132 26 0 0 0 - - - 0;
+#X obj 673 100 r rvstprogname;
+#X obj 503 100 r rvstprognumber;
+#X floatatom 503 124 5 0 0 0 - - - 0;
+#X text 464 273 1 send some data to the host's data chunk;
+#X text 463 358 2 from the host save the file as .fxp or .fxb;
+#X msg 476 299 hello world 1.2;
+#X text 462 392 3 from the host open the file you saved;
+#X text 500 11 When the host chamges the program these 2 are updated. Additionally you can use this to set lots of parameters that are not exposed to host. The program used is stored and recalled in the host/DAW project., f 49;
+#N canvas 182 182 450 300 additionally 0;
+#X msg 121 99 12 34 56 hello;
+#X msg 150 136 0.2 0.4 0.78 foo;
+#X msg 190 179 0.2 0.4 0.78 bar;
+#X msg 211 208 0.7 0.5 10 something;
+#X obj 117 49 sel 0 1 2 3;
+#X obj 136 250 list;
+#X obj 136 274 outlet;
+#X obj 117 15 inlet;
+#X connect 0 0 5 0;
+#X connect 1 0 5 0;
+#X connect 2 0 5 0;
+#X connect 3 0 5 0;
+#X connect 4 0 0 0;
+#X connect 4 1 1 0;
+#X connect 4 2 2 0;
+#X connect 4 3 3 0;
+#X connect 5 0 6 0;
+#X connect 7 0 4 0;
+#X restore 503 154 pd additionally;
+#X listbox 503 182 23 0 0 0 - - - 0;
+#X text 466 223 Experimental. Not all hosts supports it correctly. See the .pdv file. This only works if PROGRAMSARECHUNKS = TRUE is set., f 50;
+#X obj 242 213 t f f;
+#X connect 0 0 7 0;
+#X connect 0 1 6 0;
+#X connect 1 0 2 0;
+#X connect 4 0 5 0;
+#X connect 5 0 6 1;
+#X connect 5 0 7 1;
+#X connect 6 0 3 1;
+#X connect 7 0 3 0;
+#X connect 8 0 4 0;
+#X connect 9 0 15 0;
+#X connect 10 0 11 0;
+#X connect 11 0 12 0;
+#X connect 14 0 34 0;
+#X connect 15 0 14 0;
+#X connect 17 0 18 0;
+#X connect 19 0 21 0;
+#X connect 23 0 22 0;
+#X connect 24 0 25 0;
+#X connect 25 0 31 0;
+#X connect 28 0 20 0;
+#X connect 31 0 32 0;
+#X connect 34 0 10 0;
+#X connect 34 1 13 0;

build/Release64/Pd_Chunks-test/Pd_Chunks-test.pdv

@@ -0,0 +1,57 @@
+# Number of audio input and output channels
+CHANNELS = 2
+
+# installation directory of puredata (optional)
+# If non specified, will search in <host_exec_dir>\pdvst\pd\ 
+# then in <vst_dir>\.pd\
+#PDPATH = D:\Programs\pd-0.48-1-test\
+
+# Main Pd patch of the plugin
+MAIN = Pd_Chunks-test.pd
+
+# Unique four character VST plugin ID
+ID = pdch
+
+# Whether this is a VSTi
+SYNTH = FALSE
+
+# Whether there is a custom GUI (e.g. GrIPD)
+CUSTOMGUI = FALSE
+
+# Display Pd GUI or not
+DEBUG = TRUE
+
+# External libraries (comma delimited list, relative to pdvst/)
+# ***OBSOLETE, use [declare] inside patch instead*** 
+#LIB = 
+
+# Save and Get Pd lists in .fxp file via ([s svstdata] and [r rvstdata])
+# Some hosts don't work correctly with this.
+# If in doubt just use FALSE.
+PROGRAMSARECHUNKS = FALSE
+
+# Number of VST parameters (up to 128)
+PARAMETERS = 1
+
+# Name of first VST parameter
+# used when CUSTOMGUI is false or VST host doesn't support custom editors
+NAMEPARAMETER0 = Level
+
+# Define a program (up to 128)
+PROGRAM = Full Blast
+
+# Set first parameter value for this program
+PARAMETER0 = 1.0
+
+#another program
+PROGRAM = Muted
+
+PARAMETER0 = 0.0
+
+#another program
+PROGRAM = -6dB
+
+PARAMETER0 = 0.5
+
+#another program
+PROGRAM = test empty param

vst-scheduler/makefile

@@ -17,5 +17,6 @@ ALL: vstschedlib.c
 	gcc -Wall -I$(PDDIR)src -I../vst-template vstschedlib.c -static-libgcc \
 	-shared -L$(PDDIR)bin -l:pd.dll -o vstschedlib.dll
 	strip vstschedlib.dll
-	cp vstschedlib.dll ../build/pd-scheduler$(arch)/vstschedlib.dll
+	#cp vstschedlib.dll ../build/pd-scheduler$(arch)/vstschedlib.dll
 	#cp vstschedlib.dll ../build/Release$(arch)/.pd/bin/vstschedlib.dll
+	cp vstschedlib.dll ../build/Release$(arch)/vstschedlib.dll

vst-scheduler/vstschedlib.c

@@ -70,10 +70,20 @@ typedef struct _vstGuiNameReceiver
 
 t_vstGuiNameReceiver *vstGuiNameReceiver;
 
+typedef struct _vstChunkReceiver
+{
+    t_object x_obj;
+}t_vstChunkReceiver;
+
+t_vstChunkReceiver *vstChunkReceiver;
+
+
+
 t_vstParameterReceiver *vstParameterReceivers[MAXPARAMETERS];
 
 t_class *vstParameterReceiver_class;
 t_class *vstGuiNameReceiver_class;
+t_class *vstChunkReceiver_class;
 
 char *pdvstTransferMutexName,
      *pdvstTransferFileMapName,
@@ -195,6 +205,54 @@ int setPdvstPlugName(char* instanceName)
         return 0;
 }
 
+/*receive data chunk from host*/
+int setPdvstChunk(const char *amsg)
+{
+    t_symbol *tempSym;
+    tempSym = gensym("rvstdata");
+    
+    if (tempSym->s_thing)
+    {
+        size_t len = strlen(amsg);
+        t_binbuf* bbuf = binbuf_new();
+        binbuf_text(bbuf, amsg, len);
+    
+        int msg, natom = binbuf_getnatom(bbuf);
+        t_atom *at = binbuf_getvec(bbuf);
+  
+        for (msg = 0; msg < natom;) {
+            int emsg;
+            for (emsg = msg; emsg < natom && at[emsg].a_type != A_COMMA
+                && at[emsg].a_type != A_SEMI; emsg++);
+                if (emsg > msg) {
+                    int i;
+                    /* check for illegal atoms */
+                    for (i = msg; i < emsg; i++)
+                        if (at[i].a_type == A_DOLLAR || at[i].a_type == A_DOLLSYM) {
+                        pd_error(NULL, "rvstdata: got dollar sign in message");
+                        goto nodice;
+                    }
+
+                if (at[msg].a_type == A_FLOAT) {
+                    if (emsg > msg + 1)
+                    pd_list(tempSym->s_thing, 0, emsg-msg, at + msg);
+                    else pd_float(tempSym->s_thing, at[msg].a_w.w_float);
+                }
+                else if (at[msg].a_type == A_SYMBOL) {
+                pd_anything(tempSym->s_thing, at[msg].a_w.w_symbol, emsg-msg-1, at + msg + 1);
+                }
+            }
+            nodice:
+            msg = emsg + 1;
+        }
+  
+        binbuf_free(bbuf);
+        return 1;    
+    }    
+    else
+    return 0;
+}
+
 
 int setPdvstFloatParameter(int index, float value)
 {
@@ -227,6 +285,32 @@ void sendPdVstFloatParameter(t_vstParameterReceiver *x, t_float floatValue)
     ReleaseMutex(pdvstTransferMutex);
 }
 
+/*send data chunk to host*/
+void sendPdVstChunk(t_vstChunkReceiver *x, t_symbol *s, int argc, t_atom *argv)
+{
+    char *buf;
+    int length;
+    t_atom at;
+    t_binbuf*bbuf = binbuf_new();  
+  
+    SETSYMBOL(&at, s);
+    binbuf_add(bbuf, 1, &at);
+    binbuf_add(bbuf, argc, argv);
+    binbuf_gettext(bbuf, &buf, &length);
+    binbuf_free(bbuf);
+  
+    WaitForSingleObject(pdvstTransferMutex, INFINITE);
+    memset(&pdvstData->datachunk.value.stringData, '\0', MAXSTRINGSIZE);
+    pdvstData->datachunk.type = STRING_TYPE;
+    pdvstData->datachunk.direction = PD_SEND;
+    pdvstData->datachunk.updated = 1;
+    //strcpy(pdvstData->datachunk.value.stringData,buf);
+    memcpy(pdvstData->datachunk.value.stringData, buf, length);
+    ReleaseMutex(pdvstTransferMutex);
+    
+    freebytes(buf, length+1);
+}
+
 void sendPdVstGuiName(t_vstGuiNameReceiver *x, t_symbol *symbolValue)
 {
     WaitForSingleObject(pdvstTransferMutex, INFINITE);
@@ -234,9 +318,7 @@ void sendPdVstGuiName(t_vstGuiNameReceiver *x, t_symbol *symbolValue)
     pdvstData->guiName.direction = PD_SEND;
     pdvstData->guiName.updated = 1;
     strcpy(pdvstData->guiName.value.stringData,symbolValue->s_name);
-
     ReleaseMutex(pdvstTransferMutex);
-
 }
 
 void makePdvstParameterReceivers()
@@ -251,16 +333,20 @@ void makePdvstParameterReceivers()
         vstParameterReceivers[i]->x_sym = gensym(string);
         pd_bind(&vstParameterReceivers[i]->x_obj.ob_pd, gensym(string));
     }
+
 }
 
 void makePdvstGuiNameReceiver()
 {
         vstGuiNameReceiver = (t_vstGuiNameReceiver *)pd_new(vstGuiNameReceiver_class);
         pd_bind(&vstGuiNameReceiver->x_obj.ob_pd, gensym("guiName"));
-
 }
 
-
+void makevstChunkReceiver()
+{
+        vstChunkReceiver = (t_vstChunkReceiver *)pd_new(vstChunkReceiver_class);
+        pd_bind(&vstChunkReceiver->x_obj.ob_pd, gensym("svstdata"));
+}
 
 void send_dacs(void)
 {
@@ -332,6 +418,19 @@ int scheduler()
     class_addfloat(vstParameterReceiver_class, (t_method)sendPdVstFloatParameter);
     makePdvstParameterReceivers();
       
+
+    vstChunkReceiver_class = class_new(gensym("vstChunkReceiver"),
+                                           0,
+                                           0,
+                                           sizeof(t_vstChunkReceiver),
+                                           0,
+                                           0);
+
+    class_addanything(vstChunkReceiver_class,(t_method)sendPdVstChunk);
+    makevstChunkReceiver();
+    
+    
+    
     vstGuiNameReceiver_class = class_new(gensym("vstGuiNameReceiver"),
                                            0,
                                            0,
@@ -391,6 +490,37 @@ int scheduler()
                 pdvstData->plugName.updated=0;
         }
         
+        // check for data chunk from file
+        if (pdvstData->datachunk.direction == PD_RECEIVE && \
+            pdvstData->datachunk.updated)
+        {
+             if (setPdvstChunk((char*)pdvstData->datachunk.value.stringData))
+                pdvstData->datachunk.updated=0;
+        }
+
+        // check for vst program name changed 
+        if (pdvstData->prognumber2pd.direction == PD_RECEIVE && \
+            pdvstData->prognumber2pd.updated)
+        {
+            t_symbol *tempSym;
+            tempSym = gensym("rvstprognumber");
+            if (tempSym->s_thing)
+                pd_float(tempSym->s_thing, (t_float)pdvstData->prognumber2pd.value.floatData);
+            pdvstData->prognumber2pd.updated=0;
+        }
+        
+        // check for vst program number changed
+        if (pdvstData->progname2pd.direction == PD_RECEIVE && \
+            pdvstData->progname2pd.updated)
+        {
+            t_symbol *tempSym;
+            tempSym = gensym("rvstprogname");
+            if (tempSym->s_thing)
+                pd_symbol(tempSym->s_thing, \
+                    gensym(pdvstData->progname2pd.value.stringData));
+            pdvstData->progname2pd.updated=0;
+        }
+        
         if (pdvstData->hostTimeInfo.updated)
         {
             pdvstData->hostTimeInfo.updated=0;

vst-template/makefile

@@ -38,6 +38,7 @@ ALL: $(SOURCES)
 	cp pdvst-template.dll ../build/Release$(arch)/Pd_Gain-gui.dll
 	cp pdvst-template.dll ../build/Release$(arch)/Pd_Gain-nogui.dll
 	cp pdvst-template.dll ../build/Release$(arch)/Pd_Midi.dll
+	cp pdvst-template.dll ../build/Release$(arch)/Pd_Chunks-test.dll
 
 	
 	

vst-template/pdvst.cpp

@@ -56,6 +56,7 @@ extern char globalHostPdvstPath[MAXFILENAMELEN];
 extern bool globalCustomGui;
 extern int globalCustomGuiWidth;
 extern int globalCustomGuiHeight;
+extern bool globalProgramsAreChunks;
 
 extern bool globalIsASynth;
 extern pdvstProgram globalProgram[MAXPROGRAMS];
@@ -226,6 +227,8 @@ pdvst::pdvst(audioMasterCallback audioMaster)
      //  {JYG   see pdvst::setProgram below for explanation
     timeFromStartup=GetTickCount();
     //  JYG  }
+    programsAreChunks(globalProgramsAreChunks);
+    sendPlugName(globalPluginName);
 }
 
 pdvst::~pdvst()
@@ -490,6 +493,25 @@ void pdvst::resume()
     }
 }
 
+void pdvst::sendProgChange(VstInt32 prgm)
+{
+
+    WaitForSingleObject(pdvstTransferMutex, 10);
+    {
+        pdvstData->prognumber2pd.direction = PD_RECEIVE;
+        pdvstData->prognumber2pd.type = FLOAT_TYPE;
+        pdvstData->prognumber2pd.value.floatData = (float)prgm;
+        pdvstData->prognumber2pd.updated = 1;
+
+        pdvstData->progname2pd.direction = PD_RECEIVE;
+        pdvstData->progname2pd.type = STRING_TYPE;
+        strcpy(pdvstData->progname2pd.value.stringData, program[prgm].name);
+        pdvstData->progname2pd.updated = 1;
+
+        ReleaseMutex(pdvstTransferMutex);
+    }
+}
+
 void pdvst::setProgram(VstInt32 prgmNum)
 {
    debugLog("appel de setProgram %d", prgmNum);
@@ -497,6 +519,7 @@ void pdvst::setProgram(VstInt32 prgmNum)
     if (prgmNum >= 0 && prgmNum < nPrograms)
         {
             curProgram = prgmNum;
+            sendProgChange(prgmNum);
 
 
    // {JYG    to prevent host call of setProgram to override current param settings
@@ -600,6 +623,46 @@ bool pdvst::getOutputProperties(VstInt32 index, VstPinProperties* properties)
 	return false;
 }
 
+VstInt32 pdvst::getChunk (void** data, bool isPreset)
+{
+    VstInt32 len;
+    //MessageBoxA(NULL, "getchunk call", "debug", MB_OK); // all host gets here
+    if(*data)
+    {
+        //MessageBoxA(NULL, "getchunk if data", "debug", MB_OK); // not all hosts gets here
+        WaitForSingleObject(pdvstTransferMutex, 10);
+        {
+            //strcpy ((char *)*data, pdvstData->datachunk.value.stringData);
+            *data = pdvstData->datachunk.value.stringData;
+            len = (VstInt32)strlen(pdvstData->datachunk.value.stringData);
+            //memcpy(*data, pdvstData->datachunk.value.stringData, (size_t)len+1);
+            ReleaseMutex(pdvstTransferMutex);
+        }
+        return len+1;
+    }
+    else
+    return 0;
+}
+
+VstInt32 pdvst::setChunk (void* data, VstInt32 byteSize, bool isPreset)
+{
+    //MessageBoxA(NULL, "setchunk call", "debug", MB_OK);
+    if(byteSize)
+    {
+        //MessageBoxA(NULL, "setchunk call if bytesize", "debug", MB_OK);
+        WaitForSingleObject(pdvstTransferMutex, 10);
+        {
+            pdvstData->datachunk.direction = PD_RECEIVE;
+            pdvstData->datachunk.type = STRING_TYPE;
+            memset(&pdvstData->datachunk.value.stringData, '\0', MAXSTRINGSIZE);
+            strncpy(pdvstData->datachunk.value.stringData,(char *)data, (size_t)byteSize);
+            pdvstData->datachunk.updated = 1;
+            ReleaseMutex(pdvstTransferMutex);
+        }
+    }
+    return 0;
+}
+
 VstInt32 pdvst::canDo(char* text)
 {
     //if (isASynth)
@@ -1088,6 +1151,17 @@ void pdvst::updatePdvstParameters()
 
 
 
+        }
+
+        // to data chunk
+
+        if (pdvstData->datachunk.direction == PD_SEND && \
+            pdvstData->datachunk.updated)
+        {
+            if (pdvstData->datachunk.type == STRING_TYPE)
+            {
+                pdvstData->datachunk.updated=0;
+            }
         }
 
         ReleaseMutex(pdvstTransferMutex);

vst-template/pdvst.hpp

@@ -99,13 +99,17 @@ public:
    // virtual VstInt32 canMono ();
     virtual void suspend();
     virtual void resume();
-        void sendGuiAction(int action);
+    void sendGuiAction(int action);
-        void sendPlugName(char * name );  // JYG : to send plug name to puredatapatch
+    void sendPlugName(char * name );  // JYG : to send plug name to puredatapatch
+    void sendProgChange(VstInt32 prgm); // send vst prog name and number to patch
 
  LPTSTR displayString;//= new TCHAR[MAXSTRINGSIZE];
 
    HWND pdGui;
    
+    virtual VstInt32 getChunk (void** data, bool isPreset);
+    virtual VstInt32 setChunk (void* data, VstInt32 byteSize, bool isPreset);
+
 protected:
     static int referenceCount;
     void debugLog(char *fmt, ...);

vst-template/pdvstMain.cpp

@@ -44,6 +44,7 @@ bool globalCustomGui = false;
 int globalCustomGuiWidth= 320;
 int globalCustomGuiHeight= 150;
 pdvstProgram globalProgram[MAXPROGRAMS];
+bool globalProgramsAreChunks = false;
 
 char *trimWhitespace(char *str);
 void parseSetupFile();
@@ -376,6 +377,18 @@ void parseSetupFile()
                         globalProgram[progNum].paramValue[paramNum] = \
                                                              (float)atof(value);
                 }
+                // programsarechunks (save custom data in .fxp or .fxb file)
+				if (strcmp(param, "programsarechunks") == 0)
+                {
+                    if (strcmp(strlwr(value), "true") == 0)
+                    {
+                        globalProgramsAreChunks = true;
+                    }
+                    else if (strcmp(strlwr(value), "false") == 0)
+                    {
+                        globalProgramsAreChunks = false;
+                    }
+                }
             }
         }
     }

vst-template/pdvstTransfer.h

@@ -121,6 +121,9 @@ typedef struct _pdvstTransferData
     pdvstMidiMessage midiQueue[MAXMIDIQUEUESIZE];
 	pdvstParameter guiState;
 	pdvstParameter plugName;  // transmitted by host
+    pdvstParameter datachunk;  // get/set chunk from .fxp .fxb files
+    pdvstParameter progname2pd;  // send program name to Pd
+    pdvstParameter prognumber2pd;  // send program name to Pd
 	pdvstParameter guiName;   // transmitted by pd : name of gui window to be embedded
  //   #ifdef VSTMIDIOUTENABLE
     int midiOutQueueSize;