From: Good Guy <good1.2guy@gmail.com>
Date: Sun, 27 May 2018 02:38:09 +0000 (-0600)
Subject: connect lv2 output controls
X-Git-Url: https://cinelerra-gg.org/git/?a=commitdiff_plain;h=32b57dd9cdbb2fc0000a9f72ff766e4030c50b24;p=goodguy%2Fhistory.git

connect lv2 output controls
---

diff --git a/cinelerra-5.1/cinelerra/pluginlv2.C b/cinelerra-5.1/cinelerra/pluginlv2.C
index 698be88e..bbfd76ea 100644
--- a/cinelerra-5.1/cinelerra/pluginlv2.C
+++ b/cinelerra-5.1/cinelerra/pluginlv2.C
@@ -53,11 +53,11 @@ void PluginLV2::reset_lv2()
 	lilv_instance_free(inst);             inst = 0;
 	lilv_uis_free(lilv_uis);              lilv_uis = 0;
 
-        lilv_node_free(lv2_InputPort);        lv2_InputPort = 0;
-        lilv_node_free(lv2_OutputPort);       lv2_OutputPort = 0;
+	lilv_node_free(lv2_InputPort);        lv2_InputPort = 0;
+	lilv_node_free(lv2_OutputPort);       lv2_OutputPort = 0;
 	lilv_node_free(lv2_AudioPort);        lv2_AudioPort = 0;
 	lilv_node_free(lv2_ControlPort);      lv2_ControlPort = 0;
-        lilv_node_free(lv2_CVPort);           lv2_CVPort = 0;
+	lilv_node_free(lv2_CVPort);           lv2_CVPort = 0;
 
 	lilv_node_free(lv2_Optional);         lv2_Optional = 0;
 	lilv_node_free(atom_AtomPort);        atom_AtomPort = 0;
@@ -124,7 +124,7 @@ int PluginLV2::init_lv2(PluginLV2ClientConfig &conf, int sample_rate)
 	boundedBlockLength  = lilv_new_uri(world, LV2_BUF_SIZE__boundedBlockLength);
 	seq_out = (LV2_Atom_Sequence *) new char[sizeof(LV2_Atom_Sequence) + LV2_SEQ_SIZE];
 
-	conf.init_lv2(lilv);
+	conf.init_lv2(lilv, this);
 	nb_inputs = nb_outputs = 0;
 
 	for( int i=0; i<conf.nb_ports; ++i ) {
@@ -184,35 +184,33 @@ const char *PluginLV2::uri_table_unmap(LV2_URID_Map_Handle handle, LV2_URID urid
 	return ((PluginLV2UriTable *)handle)->unmap(urid);
 }
 
-void PluginLV2::connect_ports(PluginLV2ClientConfig &conf, int typ)
+void PluginLV2::connect_ports(PluginLV2ClientConfig &conf, int ports)
 {
 	int ich = 0, och = 0;
 	for( int i=0; i<conf.nb_ports; ++i ) {
 		const LilvPort *lp = lilv_plugin_get_port_by_index(lilv, i);
 		if( !lp ) continue;
-		if( (typ & TYP_CONTROL) &&
-		    lilv_port_is_a(lilv, lp, lv2_ControlPort) ) {
+		int port = conf.ports[i];
+		if( !(port & ports) ) continue;
+		if( (port & PORTS_CONTROL) ) {
 			lilv_instance_connect_port(inst, i, &conf.ctls[i]);
 			continue;
 		}
-		if( (typ & TYP_AUDIO) &&
-		    ( lilv_port_is_a(lilv, lp, lv2_AudioPort) ||
-		      lilv_port_is_a(lilv, lp, lv2_CVPort) ) ) {
-			if( lilv_port_is_a(lilv, lp, lv2_InputPort) ) {
-				lilv_instance_connect_port(inst, iport[ich]=i, in_buffers[ich]);
-				++ich;
+		if( (port & PORTS_AUDIO) ) {
+			if( (port & PORTS_INPUT) ) {
+				lilv_instance_connect_port(inst, i, in_buffers[ich]);
+				iport[ich++] = i;
 			}
-			else if( lilv_port_is_a(lilv, lp, lv2_OutputPort)) {
-				lilv_instance_connect_port(inst, oport[och]=i, out_buffers[och]);
-				++och;
+			else if( (port & PORTS_OUTPUT) ) {
+				lilv_instance_connect_port(inst, i, out_buffers[och]);
+				oport[och++] = i;
 			}
 			continue;
 		}
-		if( (typ & TYP_ATOM) &&
-		    lilv_port_is_a(lilv, lp, atom_AtomPort) ) {
-			if( lilv_port_is_a(lilv, lp, lv2_InputPort) )
+		if( (port & PORTS_ATOM) ) {
+			if( (port & PORTS_INPUT) )
 				lilv_instance_connect_port(inst, i, &seq_in);
-			else
+			else if( (port & PORTS_OUTPUT) )
 				lilv_instance_connect_port(inst, i, seq_out);
 			continue;
 		}
@@ -373,12 +371,12 @@ PluginLV2UI::PluginLV2UI()
 	lilv_type = 0;
 	uri_map = 0;
 
-	done = 0;
+	done = -1;
 	running = 0;
-	redraw = 0;
-	host_updates = updates = 0;
-	host_hidden = hidden = 1;
+	updates = 0;
+	hidden = 1;
 	title[0] = 0;
+	child = 0;
 
 // only gtk-2
 	gtk_type = "http://lv2plug.in/ns/extensions/ui#GtkUI";
diff --git a/cinelerra-5.1/cinelerra/pluginlv2.h b/cinelerra-5.1/cinelerra/pluginlv2.h
index 9b449b48..01fc461f 100644
--- a/cinelerra-5.1/cinelerra/pluginlv2.h
+++ b/cinelerra-5.1/cinelerra/pluginlv2.h
@@ -15,10 +15,13 @@ typedef struct {
 	int nb_inputs, nb_outputs;
 } shm_bfr_t;
 
-#define TYP_AUDIO   1
-#define TYP_CONTROL 2
-#define TYP_ATOM    4
-#define TYP_ALL    ~0
+#define PORTS_AUDIO   0x01
+#define PORTS_CONTROL 0x02
+#define PORTS_ATOM    0x04
+#define PORTS_ALL (PORTS_AUDIO | PORTS_CONTROL | PORTS_ATOM)
+#define PORTS_INPUT   0x08
+#define PORTS_OUTPUT  0x10
+#define PORTS_UPDATE  0x20
 
 class PluginLV2
 {
@@ -39,7 +42,7 @@ public:
 
 	static LV2_URID uri_table_map(LV2_URID_Map_Handle handle, const char *uri);
 	static const char *uri_table_unmap(LV2_URID_Map_Handle handle, LV2_URID urid);
-	void connect_ports(PluginLV2ClientConfig &conf, int typ=TYP_ALL);
+	void connect_ports(PluginLV2ClientConfig &conf, int ports);
 	void del_buffer();
 	void new_buffer(int64_t sz);
 	shm_bfr_t *shm_buffer(int shmid);
@@ -77,7 +80,6 @@ public:
 };
 
 typedef struct { int sample_rate;  char path[1]; } open_bfr_t;
-typedef struct { int idx;  float value; } control_bfr_t;
 
 enum { NO_COMMAND,
 	LV2_OPEN,
@@ -85,7 +87,6 @@ enum { NO_COMMAND,
 	LV2_UPDATE,
 	LV2_SHOW,
 	LV2_HIDE,
-	LV2_SET,
 	LV2_SHMID,
 	NB_COMMANDS };
 
diff --git a/cinelerra-5.1/cinelerra/pluginlv2client.C b/cinelerra-5.1/cinelerra/pluginlv2client.C
index 50df5ae6..f327da81 100644
--- a/cinelerra-5.1/cinelerra/pluginlv2client.C
+++ b/cinelerra-5.1/cinelerra/pluginlv2client.C
@@ -392,15 +392,11 @@ int PluginLV2ParentUI::handle_parent()
 	case LV2_SHOW: {
 		hidden = 0;
 		break; }
-	case LV2_SET: {
-		if( !gui ) break;
-		control_bfr_t *ctl = (control_bfr_t *)parent_data;
-		gui->lv2_set(ctl->idx, ctl->value);
-		break; }
 	case LV2_SHMID: {
 		output_bfr->unlock();
 		break; }
 	case EXIT_CODE: {
+		hidden = 1;
 		output_bfr->unlock();
 		result = -1;
 		break; }
diff --git a/cinelerra-5.1/cinelerra/pluginlv2config.C b/cinelerra-5.1/cinelerra/pluginlv2config.C
index 66c9a498..f104be00 100644
--- a/cinelerra-5.1/cinelerra/pluginlv2config.C
+++ b/cinelerra-5.1/cinelerra/pluginlv2config.C
@@ -23,6 +23,7 @@
 #include "arraylist.h"
 #include "cstrdup.h"
 #include "language.h"
+#include "pluginlv2.h"
 #include "pluginlv2config.h"
 
 #include <ctype.h>
@@ -127,6 +128,7 @@ PluginLV2ClientConfig::PluginLV2ClientConfig()
 	mins = 0;
 	maxs = 0;
 	ctls = 0;
+	ports = 0;
 	nb_ports = 0;
 }
 
@@ -142,10 +144,11 @@ void PluginLV2ClientConfig::reset()
 		delete [] names[i];
 		delete [] syms[i];
 	}
-	delete [] names; names = 0;
-	delete [] mins;  mins = 0;
-	delete [] maxs;  maxs = 0;
-	delete [] ctls;  ctls = 0;
+	delete [] names;  names = 0;
+	delete [] mins;   mins = 0;
+	delete [] maxs;   maxs = 0;
+	delete [] ctls;   ctls = 0;
+	delete [] ports;  ports = 0;
 	nb_ports = 0;
 }
 
@@ -171,6 +174,7 @@ void PluginLV2ClientConfig::copy_from(PluginLV2ClientConfig &that)
 		mins  = new float[nb_ports];
 		maxs  = new float[nb_ports];
 		ctls  = new float[nb_ports];
+		ports = new int[nb_ports];
 	}
 	for( int i=0; i<nb_ports; ++i ) {
 		delete [] names[i];  names[i] = cstrdup(that.names[i]);
@@ -178,6 +182,7 @@ void PluginLV2ClientConfig::copy_from(PluginLV2ClientConfig &that)
 		mins[i] = that.mins[i];
 		maxs[i] = that.maxs[i];
 		ctls[i] = that.ctls[i];
+		ports[i] = ports[i];
 	}
 	remove_all_objects();
 	for( int i=0; i<that.size(); ++i ) {
@@ -191,7 +196,7 @@ void PluginLV2ClientConfig::interpolate(PluginLV2ClientConfig &prev, PluginLV2Cl
 	copy_from(prev);
 }
 
-void PluginLV2ClientConfig::init_lv2(const LilvPlugin *lilv)
+void PluginLV2ClientConfig::init_lv2(const LilvPlugin *lilv, PluginLV2 *lv2)
 {
 	reset();
 	nb_ports = lilv_plugin_get_num_ports(lilv);
@@ -200,6 +205,7 @@ void PluginLV2ClientConfig::init_lv2(const LilvPlugin *lilv)
 	mins  = new float[nb_ports];
 	maxs  = new float[nb_ports];
 	ctls  = new float[nb_ports];
+	ports = new int[nb_ports];
 	lilv_plugin_get_port_ranges_float(lilv, mins, maxs, ctls);
 	for( int i=0; i<nb_ports; ++i ) {
 		const LilvPort *lp = lilv_plugin_get_port_by_index(lilv, i);
@@ -208,6 +214,13 @@ void PluginLV2ClientConfig::init_lv2(const LilvPlugin *lilv)
 		lilv_node_free(pnm);
 		const LilvNode *sym = lilv_port_get_symbol(lilv, lp);
 		syms[i] = cstrdup(lilv_node_as_string(sym));
+		int port = 0;
+		if( lilv_port_is_a(lilv, lp, lv2->lv2_AudioPort) )   port |= PORTS_AUDIO;
+		if( lilv_port_is_a(lilv, lp, lv2->lv2_ControlPort) ) port |= PORTS_CONTROL;
+		if( lilv_port_is_a(lilv, lp, lv2->lv2_InputPort) )   port |= PORTS_INPUT;
+		if( lilv_port_is_a(lilv, lp, lv2->lv2_OutputPort) )  port |= PORTS_OUTPUT;
+		if( lilv_port_is_a(lilv, lp, lv2->atom_AtomPort) )   port |= PORTS_ATOM;
+		ports[i] = port;
 	}
 }
 
diff --git a/cinelerra-5.1/cinelerra/pluginlv2config.h b/cinelerra-5.1/cinelerra/pluginlv2config.h
index c9b8b066..7f18461b 100644
--- a/cinelerra-5.1/cinelerra/pluginlv2config.h
+++ b/cinelerra-5.1/cinelerra/pluginlv2config.h
@@ -27,6 +27,7 @@
 #include "guicast.h"
 #include "mutex.h"
 #include "pluginaclient.h"
+#include "pluginlv2.inc"
 #include "pluginlv2config.inc"
 #include "samples.inc"
 
@@ -123,11 +124,11 @@ public:
 	void interpolate(PluginLV2ClientConfig &prev, PluginLV2ClientConfig &next,
 		int64_t prev_frame, int64_t next_frame, int64_t current_frame);
 	void reset();
-	void init_lv2(const LilvPlugin *lilv);
+	void init_lv2(const LilvPlugin *lilv, PluginLV2 *lv2);
 	int update();
 	void dump(FILE *fp);
 
-	int nb_ports;
+	int nb_ports, *ports;
 	const char **names, **syms;
 	float *mins, *maxs, *ctls;
 };
diff --git a/cinelerra-5.1/cinelerra/pluginlv2gui.C b/cinelerra-5.1/cinelerra/pluginlv2gui.C
index 9e17f9cd..e8c4edb3 100644
--- a/cinelerra-5.1/cinelerra/pluginlv2gui.C
+++ b/cinelerra-5.1/cinelerra/pluginlv2gui.C
@@ -68,7 +68,7 @@ PluginLV2ClientReset::
 int PluginLV2ClientReset::handle_event()
 {
 	PluginLV2Client *client = gui->client;
-	client->config.init_lv2(client->lilv);
+	client->config.init_lv2(client->lilv, client);
 	client->config.update();
 	client->update_lv2();
 	gui->update(0);
@@ -271,10 +271,8 @@ void PluginLV2ClientWindow::update_selected()
 	if( !selected ) return;
 	PluginLV2ParentUI *ui = find_ui();
 	if( !ui ) return;
-	control_bfr_t ctl_bfr;
-	ctl_bfr.idx = selected->idx;
-	ctl_bfr.value = selected->get_value();
-	ui->send_child(LV2_SET, &ctl_bfr, sizeof(ctl_bfr));
+	PluginLV2ClientConfig &conf = client->config;
+	ui->send_child(LV2_UPDATE, conf.ctls, sizeof(float)*conf.nb_ports);
 }
 
 int PluginLV2ClientWindow::scalar(float f, char *rp)
diff --git a/cinelerra-5.1/cinelerra/pluginlv2ui.C b/cinelerra-5.1/cinelerra/pluginlv2ui.C
index 904f9549..3e1c3ee9 100644
--- a/cinelerra-5.1/cinelerra/pluginlv2ui.C
+++ b/cinelerra-5.1/cinelerra/pluginlv2ui.C
@@ -50,8 +50,7 @@ void PluginLV2UI::update_value(int idx, uint32_t bfrsz, uint32_t typ, const void
 		PluginLV2Client_Opt *opt = config[i];
 		if( opt->idx == idx ) {
 			opt->set_value(*(const float*)bfr);
-//printf("set %s = %f\n", opt->get_symbol(), opt->get_value());
-			++updates;
+			updates = UPDATE_HOST;
 			break;
 		}
 	}
@@ -159,31 +158,46 @@ bool PluginLV2UI::lv2ui_resizable()
 	return !fs_matches && !nrs_matches;
 }
 
-int PluginLV2UI::update_lv2(float *vals, int force)
+int PluginLV2UI::send_host(int64_t token, const void *data, int bytes)
+{
+	return !child ? 0 : child->send_parent(token, data, bytes);
+}
+
+int PluginLV2UI::update_lv2_input(float *vals, int force)
 {
 	int ret = 0;
-	float *ctls = (float *)config.ctls;
+	float *ctls = config.ctls;
 	for( int i=0; i<config.size(); ++i ) {
 		int idx = config[i]->idx;
 		float val = vals[idx];
 		if( !force && ctls[idx] == val ) continue;
-		update_control(idx, sizeof(val), 0, &val);
+		ctls[idx] = val;
+		update_control(idx, sizeof(ctls[idx]), 0, &ctls[idx]);
 		++ret;
 	}
-	for( int i=0; i<config.nb_ports; ++i ) ctls[i] = vals[i];
 	return ret;
 }
 
+void PluginLV2UI::update_lv2_output()
+{
+	int *ports = config.ports;
+	float *ctls = config.ctls;
+	for( int i=0; i<config.nb_ports; ++i ) {
+		if( !(ports[i] & PORTS_UPDATE) ) continue;
+		ports[i] &= ~PORTS_UPDATE;
+		update_control(i, sizeof(ctls[i]), 0, &ctls[i]);
+	}
+}
+
 static void lilv_destroy(GtkWidget* widget, gpointer data)
 {
 	PluginLV2UI *the = (PluginLV2UI*)data;
-	the->hidden = 1;
 	the->top_level = 0;
-	++the->updates;
 }
 
 void PluginLV2UI::start_gui()
 {
+	if( !hidden ) return;
 	top_level = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 	g_signal_connect(top_level, "destroy", G_CALLBACK(lilv_destroy), this);
 	gtk_window_set_title(GTK_WINDOW(top_level), title);
@@ -201,30 +215,25 @@ void PluginLV2UI::start_gui()
 	gtk_window_set_resizable(GTK_WINDOW(top_level), lv2ui_resizable());
 	gtk_widget_show_all(vbox);
 	gtk_widget_grab_focus(widget);
-	float *ctls = (float *)config.ctls;
-	update_lv2(ctls, 1);
-	connect_ports(config, TYP_CONTROL);
-	lilv_instance_run(inst, 0);
+	update_lv2_input(config.ctls, 1);
+	connect_ports(config, PORTS_CONTROL);
+	updates = 0;
+	run_lilv(0);
 	gtk_window_present(GTK_WINDOW(top_level));
+	send_host(LV2_SHOW, 0, 0);
+	hidden = 0;
 }
 
-
-void PluginLV2UI::host_update(PluginLV2ChildUI *child)
+void PluginLV2UI::update_host()
 {
-//printf("update\n");
-	host_updates = updates;
-	if( !child ) return;
-	if( host_hidden != hidden ) {
-		host_hidden = hidden;
-		if( hidden ) reset_gui();
-		child->send_parent(hidden ? LV2_HIDE : LV2_SHOW, 0, 0);
-	}
+// ignore update
 	if( running < 0 ) { running = 1;  return; }
-	child->send_parent(LV2_UPDATE, config.ctls, sizeof(float)*config.nb_ports);
+	send_host(LV2_UPDATE, config.ctls, sizeof(float)*config.nb_ports);
 }
 
 void PluginLV2UI::reset_gui()
 {
+	if( hidden ) return;
 	if( sinst )     { suil_instance_free(sinst);  sinst = 0; }
 	if( ui_host )   { suil_host_free(ui_host);    ui_host = 0; }
 	if( top_level ) { gtk_widget_destroy(top_level); top_level = 0; }
@@ -232,23 +241,29 @@ void PluginLV2UI::reset_gui()
 	while( features.size() > ui_features ) features.remove_object();
 	features.append(0);
 	hidden = 1;
+	send_host(LV2_HIDE, 0, 0);
 }
 
 
 // child main
 int PluginLV2UI::run_ui(PluginLV2ChildUI *child)
 {
+	this->child = child;
 	running = 1;
+	done = 0;
 	while( !done ) {
 		if( gtk_events_pending() ) {
 			gtk_main_iteration();
 			continue;
 		}
-		if( running && host_updates != updates )
-			host_update(child);
-		if( redraw ) {
-			redraw = 0;
-			update_lv2(config.ctls, 1);
+		if( !top_level && !hidden )
+			reset_gui();
+		if( updates ) {
+			if( (updates & UPDATE_PORTS) )
+				update_lv2_output();
+			if( (updates & UPDATE_HOST) )
+				update_host();
+			updates = 0;
 		}
 		if( !child ) usleep(10000);
 		else if( child->child_iteration() < 0 )
@@ -258,13 +273,28 @@ int PluginLV2UI::run_ui(PluginLV2ChildUI *child)
 	return 0;
 }
 
-void PluginLV2UI::run_buffer(int shmid)
+void PluginLV2UI::run_lilv(int samples)
+{
+	float ctls[config.nb_ports];
+	for( int i=0; i<config.nb_ports; ++i ) ctls[i] = config.ctls[i];
+
+	lilv_instance_run(inst, samples);
+
+	for( int i=0; i<config.nb_ports; ++i ) {
+		if( !(config.ports[i] & PORTS_OUTPUT) ) continue;
+		if( !(config.ports[i] & PORTS_CONTROL) ) continue;
+		if( config.ctls[i] == ctls[i] ) continue;
+		config.ports[i] |= PORTS_UPDATE;
+		updates |= UPDATE_PORTS;
+	}
+}
+
+void PluginLV2ChildUI::run_buffer(int shmid)
 {
 	if( !shm_buffer(shmid) ) return;
 	map_buffer();
-	int samples = shm_bfr->samples;
-	connect_ports(config);
-	lilv_instance_run(inst, samples);
+	connect_ports(config, PORTS_ALL);
+	run_lilv(shm_bfr->samples);
 	shm_bfr->done = 1;
 }
 
@@ -276,25 +306,18 @@ int PluginLV2ChildUI::handle_child()
 		if( init_ui(open_bfr->path, open_bfr->sample_rate) ) exit(1);
 		break; }
 	case LV2_LOAD: {
-		float *ctls = (float *)child_data;
-		update_lv2(ctls, 1);
+		float *vals = (float *)child_data;
+		update_lv2_input(vals, 1);
 		break; }
 	case LV2_UPDATE: {
-		float *ctls = (float *)child_data;
-		if( update_lv2(ctls, 0) > 0 )
-			++updates;
+		float *vals = (float *)child_data;
+		update_lv2_input(vals, 0);
 		break; }
 	case LV2_SHOW: {
 		start_gui();
-		hidden = 0;  ++updates;
 		break; }
 	case LV2_HIDE: {
-		hidden = 1;  ++updates;
-		break; }
-	case LV2_SET: {
-		control_bfr_t *ctl_bfr = (control_bfr_t *)child_data;
-		config.ctls[ctl_bfr->idx] = ctl_bfr->value;
-		redraw = 1;
+		reset_gui();
 		break; }
 	case LV2_SHMID: {
 		int shmid = *(int *)child_data;
diff --git a/cinelerra-5.1/cinelerra/pluginlv2ui.h b/cinelerra-5.1/cinelerra/pluginlv2ui.h
index 75fe8262..63a40102 100644
--- a/cinelerra-5.1/cinelerra/pluginlv2ui.h
+++ b/cinelerra-5.1/cinelerra/pluginlv2ui.h
@@ -32,6 +32,9 @@
 
 typedef struct _GtkWidget GtkWidget;
 
+#define UPDATE_HOST 1
+#define UPDATE_PORTS 2
+
 class PluginLV2UI : public PluginLV2
 {
 public:
@@ -49,19 +52,21 @@ public:
 
 	char title[BCSTRLEN];
 	PluginLV2ClientConfig config;
-	uint32_t host_updates, updates;
-	int host_hidden, hidden;
+	int updates, hidden;
 	int done, running;
 	const char *gtk_type;
 	GtkWidget *top_level;
+	PluginLV2ChildUI *child;
 
 	void reset_gui();
 	int init_ui(const char *path, int sample_rate);
 	void start();
 	void stop();
-	int update_lv2(float *vals, int force);
-	int redraw;
+	int send_host(int64_t token, const void *data, int bytes);
+	int update_lv2_input(float *vals, int force);
+	void update_lv2_output();
 
+	void run_lilv(int samples);
 	void update_value(int idx, uint32_t bfrsz, uint32_t typ, const void *bfr);
 	void update_control(int idx, uint32_t bfrsz, uint32_t typ, const void *bfr);
 	static void write_from_ui(void *the, uint32_t idx,
@@ -76,8 +81,7 @@ public:
 	bool lv2ui_resizable();
 	void start_gui();
 	int run_ui(PluginLV2ChildUI *child=0);
-	void run_buffer(int shmid);
-	void host_update(PluginLV2ChildUI *child);
+	void update_host();
 	int run(int ac, char **av);
 };
 
@@ -87,6 +91,7 @@ public:
 	PluginLV2ChildUI();
 	~PluginLV2ChildUI();
 	void run();
+	void run_buffer(int shmid);
 
 	int handle_child();
 	int run(int ac, char **av);