added dialog box, bugfixes to veejay-ng and veejay-ui

git-svn-id: svn://code.dyne.org/veejay/trunk@623 eb8d1916-c9e9-0310-b8de-cf0c9472ead5

veejay-ng/libplugger/livido-loader.c

@@ -446,7 +446,14 @@ static	int	livido_scan_out_parameters( void *plugin , void *plugger_port)
 		sprintf(key, "p%02d", n );
 
 		int ikind = 0;
-		char *kind = get_str_vevo( param, "kind" );
+		char *kind = vevo_property_get_string( param, "kind" );
+		//get_str_vevo( param, "kind" );
+
+#ifdef STRICT_CHECKING
+		if( kind == NULL )
+			veejay_msg(0, "\tParameter %d of %d has no property kind", n,NP );
+		assert( kind != NULL );
+#endif
 
 
 		ikind = livido_pname_to_host_kind(kind);

veejay-ng/libyuv/subsample.c

@@ -377,17 +377,19 @@ void	subsample_ycbcr_clamp_itu601_copy(VJFrame *frame, VJFrame *dst_frame)
         __asm__ __volatile__ ("emms":::"memory");
 #endif
 }
-
+/*
 #ifdef HAVE_ASM_MMX
 void	subsample_clear_plane( uint8_t bval, uint8_t *plane, uint32_t plane_len )
 {
 	unsigned int k = 0;
 	unsigned int align = (plane_len/64);
 
+	double val = (double) bval;
 
 	__asm__ __volatile__ (
 			"pxor	%%mm0,	%%mm0\n"
-		:: );
+			"movq	%%mm0,	(%0)\n"
+		:: "r" (val) );
 	
 	for( k = 0; k < align ; k ++ )
 	{
@@ -413,15 +415,14 @@ void	subsample_clear_plane( uint8_t bval, uint8_t *plane, uint32_t plane_len )
 	}
 	__asm__ __volatile__ ("sfence":::"memory");
         __asm__ __volatile__ ("emms":::"memory");
-
-}
-#else
+}*/
+//#else
 void	subsample_clear_plane( uint8_t bval, uint8_t *plane, uint32_t plane_len )
 {
 	memset( plane, bval, plane_len );
 }
 
-#endif
+//#endif
 
 /*************************************************************************
  * Chroma Subsampling
@@ -889,7 +890,6 @@ static void tr_422_to_444(uint8_t *buffer, int width, int height)
 	const int mmx_stride = stride / 8;
 #endif
 	int x,y;
-
 	for( y = height-1; y > 0 ; y -- )
 	{
 		uint8_t *dst = buffer + (y * width);

veejay-ng/pluginpack/utils.h

@@ -92,6 +92,15 @@ static int max_power(int w)
         return i;
 }
 
+static uint8_t _dilate_kernel3x3( uint8_t *kernel, uint8_t img[9])
+{
+        register int x;
+        for(x = 0; x < 9; x ++ )
+                if((kernel[x] * img[x]) > 0 )
+                        return 0xff;
+        return 0;
+}
+
 static	int	lvd_is_yuv444( int palette )
 {
 	if( palette == LIVIDO_PALETTE_YUV444P )
@@ -122,6 +131,36 @@ static	int	lvd_uv_plane_len( int palette, int w, int h )
 	return 0;
 }
 
+static	int	lvd_uv_dimensions( int palette, int w, int h, int *uw, int *uh )
+{
+	switch(palette)
+	{	
+		case LIVIDO_PALETTE_YUV422P:
+			*uw = w;
+		        *uh = h/2;
+			return 1;
+			break;
+		case LIVIDO_PALETTE_YUV420P:
+			*uw = w/2;
+			*uh = h/2;
+			return 1;
+			break;
+		case LIVIDO_PALETTE_YUV444P:
+			*uw = w;
+			*uh = h;
+			return 1;
+			break;
+		default:
+#ifdef STRICT_CHECKING
+			assert(0);
+#endif
+			break;
+
+	}
+	return 0;
+
+}
+
 static	double	lvd_extract_param_number( livido_port_t *instance, const char *pname, int n )
 {
 	double pn = 0.0;

veejay-ng/ui/director.c

@@ -665,6 +665,53 @@ GtkWidget	*director_get_sample_pad(void)
 	return SamplePad_;
 }
 
+
+
+void	on_about_clicked(GtkWidget *w, gpointer user_data)
+{
+    const gchar *authors[] = { 
+      "Niels Elburg <nelburg@looze.net>",
+      NULL 
+    };
+
+	const gchar *license = 
+	{
+		"Veejay-NG\thttp://veejay.dyne.org\n\n"\
+		"This program is Free Software; You can redistribute it and/or modify\n"\
+		"under the terms of the GNU General Public License as published by\n" \
+		"the Free Software Foundation; either version 2, or (at your option)\n"\
+		"any later version.\n\n"\
+		"This program is distributed in the hope it will be useful,\n"\
+		"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"\
+		"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"\
+		"See the GNU General Public License for more details.\n\n"\
+		"For more information , see also: http://www.gnu.org\n"
+	};
+
+	char path[1024];
+	bzero(path,1024);
+	//get_gd( path, NULL,  "veejay-logo.png" );
+//	sprintf(path,"/usr/local/share/veejay/veejay-logo.png");
+//	GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file
+//		( path, NULL );
+	GtkWidget *about = g_object_new(
+		GTK_TYPE_ABOUT_DIALOG,
+		"name", "Veejay-NG Live User Interface",
+		"version", VERSION,
+		"copyright", "(C) 2004 - 2006 N. Elburg",
+		"comments", "A graphical interface for Veejay-NG",
+		"authors", authors,
+		"license", license,
+		NULL,NULL,NULL );
+		//"logo", pixbuf, NULL );
+	//g_object_unref(pixbuf);
+
+	g_signal_connect( about , "response", G_CALLBACK( gtk_widget_destroy),NULL);
+	gtk_window_present( GTK_WINDOW( about ) );
+
+}
+
+
 void		director_construct_local_widgets(  )
 {
 	GtkWidget *win = gtk_window_new( GTK_WINDOW_TOPLEVEL );
@@ -718,7 +765,11 @@ void		director_construct_local_widgets(  )
 	gtk_box_pack_end_( mbox, but, FALSE,FALSE, 0);
 	but = gtk_button_new_with_label( "Save Samples" );
 	gtk_box_pack_end_( mbox, but, FALSE,FALSE, 0);
-	
+	but = gtk_button_new_with_label( "About" );
+	g_signal_connect( but, "clicked", (GCallback) on_about_clicked, win );
+
+	gtk_box_pack_end_( mbox, but, FALSE,FALSE, 0);
+
 	gtk_box_pack_end_( hbox, frame, TRUE,TRUE, 0 );
 	gtk_widget_show(frame);
 	gtk_widget_show( bbox );	

veejay-ng/ui/uiosc.c

@@ -543,8 +543,8 @@ void	osc_new_label(const char *path, const char *types,
 
 	char *window_name = &argv[0]->s;
 	char *panel_name = &argv[1]->s;
-	char *label      = &argv[2]->s;
-	char *label_name = &argv[3]->s;
+	char *label_name      = &argv[2]->s;
+	char *label = &argv[3]->s;
 
 	int  widget_type = LABEL;
 	if( vevo_property_get(info->tree, window_name,0,&stats ) == VEVO_NO_ERROR )
@@ -555,7 +555,7 @@ void	osc_new_label(const char *path, const char *types,
 			veejay_msg(0,"Widget '%s' is not in register!\n", panel_name);
 			return;
 		}
-		builder_new_label_object( stats, container, label_name, label );	
+		builder_new_label_object( stats, container, label, label_name );	
 	//	builder_register_widget(
 	//		stats, window_name, window );
 	}

veejay-ng/veejay/performer.c

@@ -95,8 +95,9 @@ typedef struct
 	int	last;				//<<! Last rendered entry
 	int	dlast;
 } performer_t;
-
-
+#ifdef STRICT_CHECKING
+static	int	performer_verify_frame( VJFrame *f );
+#endif
 //! Allocate a new Chunk depending on output pixel format
 /**!
  \param info Veejay Object
@@ -152,6 +153,11 @@ static	VJFrame	*performer_alloc_frame( veejay_t *info, uint8_t *p0, uint8_t *p1,
 	f->data[1] = p1;
 	f->data[2] = p2;
 	f->data[3] = p3;
+
+#ifdef STRICT_CHECKING
+	assert( performer_verify_frame( f) );
+#endif
+	
 	return f;
 }
 
@@ -491,7 +497,7 @@ void	*performer_get_output_frame( veejay_t *info )
 void	performer_clean_output_frame( veejay_t *info )
 {
 	performer_t *p = (performer_t*) info->performer;
-	memset( p->display->data[0],0,p->display->len );
+	memset( p->display->data[0],16,p->display->len );
 	memset( p->display->data[1],128,p->display->uv_len );
 	memset( p->display->data[2],128,p->display->uv_len );
 }
@@ -909,6 +915,39 @@ static	int	performer_push_in_frames( void *sample, performer_t *p, int i )
 	return n_channels;
 }
 
+#ifdef STRICT_CHECKING
+static	int	performer_verify_frame( VJFrame *f )
+{
+	int i;
+	int u = f->uv_len - f->uv_width;
+	int un = f->uv_len;
+	int y = f->len - f->width;
+	int yn = f->len;
+	int fu = 0;
+	int fy = 0;
+	long avg = 0;
+	int avg_;
+	for( i = u; i < un; i ++ )
+	{
+		if( f->data[1][i] < 16 )
+			fu ++;
+		if( f->data[2][i] < 16 )
+			fu ++;
+	}
+	for( i = y; i < yn; i ++ )
+	{
+		if( f->data[0][i] < 16)
+		{	fy ++; avg += f->data[0][i]; avg_ ++; }
+	}
+	if( fu > 0 || fy > 0 )
+	{
+		veejay_msg(0, "Last line fail count: %d,%d, Y average = %d", fu,fy, ( avg > 0 ? avg  / avg_ :0 ));
+		return 0;
+	}
+	return 1;
+}
+#endif
+
 static	int	performer_render_entry( veejay_t *info, void *sample, performer_t *p, int i)
 {
 #ifdef STRICT_CHECKING
@@ -982,6 +1021,9 @@ static void	performer_render_frame( veejay_t *info, int i )
 #endif
 	performer_t *p = (performer_t*) info->performer;
 	p->display = p->ref_buffer[0];
+#ifdef STRICT_CHECKING
+	assert( performer_verify_frame(p->fx_buffer[0]) );
+#endif
 	for( i = 0; i < SAMPLE_CHAIN_LEN; i ++ )
 	{ 
 		if( sample_get_fx_status( cs, i ))

veejay-ng/vevosample/ldefs.h

@@ -1,7 +1,9 @@
 #ifndef LOCALDEFS
 #define LOCALDEFS
 #include <stdint.h>
-
+#define	BIND_OUT_P 0
+#define BIND_IN_P 1
+#define BIND_ENTRY  2
 //! \typedef sampleinfo_t Sample A/V Information structure
 typedef struct
 {
@@ -50,8 +52,7 @@ typedef struct
 {
 	double min[2];
 	double max[2];
-	int    p[2];
-	int    entry;	
+	int    p[3];
 	int    kind;
 } bind_parameter_t;
 

veejay-ng/vevosample/uifactory.c

@@ -351,7 +351,7 @@ veejay_msg(0, "UI Factory: There are %d input channels", n );
 					parameter, "value " );
 			
 			veejay_ui_bundle_add( osc_send, "/create/label",
-				"ssssx", window,fx_frame,param_id, (parameter_value==NULL ? "inf" : parameter_value) ); //@ updated by apply_bind !!!
+				"ssssx", window,fx_frame,param_id, (parameter_value==NULL ? "   " : parameter_value) ); //@ updated by apply_bind !!!
 			if(parameter_value)
 				free(parameter_value);
 			free(parameter_name );
@@ -494,13 +494,17 @@ void	vevosample_ui_get_bind_list( void *sample, const char *window )
 	for( i = 0; items[i] != NULL ; i ++ )
 	{
 		int n[3];
-		sscanf( items[i], "bp%d_%d_%d", &n[0],&n[1],&n[2] );
-		fx_slot_t *rel = (fx_slot_t*) sample_get_fx_port_ptr( srd, n[1]);
+#ifdef STRICT_CHECKING
+		assert( sscanf( items[i], "bp%d_%d_%d",&n[BIND_OUT_P],&n[BIND_ENTRY],&n[BIND_IN_P] ) == 3 );
+#else
+		sscanf( items[i], "bp%d_%d_%d", &n[BIND_OUT_P],&n[BIND_ENTRY],&n[BIND_IN_P] );
+#endif
+		fx_slot_t *rel = (fx_slot_t*) sample_get_fx_port_ptr( srd, n[BIND_ENTRY]);
 #ifdef STRICT_CHECKING
 		assert( rel->fx_instance != NULL );
 #endif
 
-		if( n[0] == p_num && vevo_property_get(sl->bind, items[i],0,NULL) == VEVO_NO_ERROR )
+		if( n[BIND_OUT_P] == p_num && vevo_property_get(sl->bind, items[i],0,NULL) == VEVO_NO_ERROR )
 		{
 			veejay_msg(0, "'%s' is a valid bind",items[i]);
 			void *filter_template = NULL;
@@ -510,10 +514,10 @@ void	vevosample_ui_get_bind_list( void *sample, const char *window )
 #endif
 			char *fxname = vevo_property_get_string( filter_template, "name" );
 
-			char *pname = _get_in_parameter_name( rel->fx_instance, n[2] );
+			char *pname = _get_in_parameter_name( rel->fx_instance, n[BIND_IN_P] );
 			char list_item[128];
 			snprintf(list_item, 128, "fx_%d '%s' p%d '%s'",
-					n[1], fxname,n[2], pname );
+					n[BIND_ENTRY], fxname,n[BIND_IN_P], pname );
 
 			veejay_message_add_argument( osc_send, msg, "s", list_item );
 
@@ -564,13 +568,13 @@ static	void	vevosample_ui_construct_bind_list( void *sample, int k, int p_num, v
 	for( i = 0; items[i] != NULL ; i ++ )
 	{
 		int n[3];
-		sscanf( items[i], "bp%d_%d_%d", &n[0],&n[1],&n[2] );
-		fx_slot_t *rel = (fx_slot_t*) sample_get_fx_port_ptr( srd, n[1]);
+		sscanf( items[i], "bp%d_%d_%d", &n[BIND_OUT_P],&n[BIND_ENTRY],&n[BIND_IN_P] );
+		fx_slot_t *rel = (fx_slot_t*) sample_get_fx_port_ptr( srd, n[BIND_ENTRY]);
 #ifdef STRICT_CHECKING
 		assert( rel->fx_instance != NULL );
 #endif
 
-		if( n[0] == p_num && vevo_property_get( slot->bind, items[i],0,NULL) == VEVO_NO_ERROR)
+		if( n[BIND_OUT_P] == p_num && vevo_property_get( slot->bind, items[i],0,NULL) == VEVO_NO_ERROR)
 		{
 			void *filter_template = NULL;
 			int error = vevo_property_get( rel->fx_instance, "filter_templ",0 ,&filter_template );
@@ -579,10 +583,10 @@ static	void	vevosample_ui_construct_bind_list( void *sample, int k, int p_num, v
 #endif
 			char *fxname = vevo_property_get_string( filter_template, "name" );
 
-			char *pname = _get_in_parameter_name( rel->fx_instance, n[2] );
+			char *pname = _get_in_parameter_name( rel->fx_instance, n[BIND_IN_P] );
 			char list_item[128];
 			snprintf(list_item, 128, "fx_%d '%s' p%d '%s'",
-					n[1], fxname, n[2],pname );
+					n[BIND_ENTRY], fxname, n[BIND_IN_P],pname );
 
 			veejay_message_add_argument( osc_send, msg, "s", list_item );
 

veejay-ng/vevosample/vevosample.c

@@ -265,6 +265,8 @@ static	struct
 };
 
 
+
+
 void	*find_sample(int id)
 {
 	if( id < 0 || id > SAMPLE_LIMIT )
@@ -3613,9 +3615,9 @@ void	*sample_new_bind_parameter( void *fx_a, void *fx_b, int n_out_p, int n_in_p
 		free(bt);
 		return NULL;
 	}
-	bt->p[0] = n_out_p;
-	bt->p[1] = n_in_p;
-	bt->entry = n_in_entry;
+	bt->p[BIND_OUT_P] = n_out_p;
+	bt->p[BIND_IN_P] = n_in_p;
+	bt->p[BIND_ENTRY] = n_in_entry;
 
 	veejay_msg(0, "New bind %d %d %d", n_out_p,n_in_p, n_in_entry );
 	
@@ -3632,6 +3634,7 @@ int	sample_new_bind( void *sample, void *src_entry,int n_out_p,  int dst_entry,
 	char param_key[64];
 	sample_runtime_data *srd = (sample_runtime_data*) sample;
 
+	veejay_msg(0, "Out = %d, In = %d, Entry = %d", n_out_p, n_in_p, dst_entry );
 	fx_slot_t *dst_slot = sample_get_fx_port_ptr( srd, dst_entry );
 	fx_slot_t *src_slot = (fx_slot_t*) src_entry;
 
@@ -3698,65 +3701,87 @@ int	sample_apply_bind( void *sample, void *current_entry, int k_entry )
 	{
 		void *bp = NULL;
 		int error = vevo_property_get( slot->bind, items[i],0,&bp );
-
-veejay_msg(0,"\t apply bind '%s' : error %d", items[i], error );
 		if( error == VEVO_NO_ERROR )
 		{
-		bind_parameter_t *bpt = (bind_parameter_t*) bp;
 
-		void *fx_b = NULL;
-		fx_slot_t *dst_slot = sample_get_fx_port_ptr( srd, bpt->entry );
+			bind_parameter_t *bpt = (bind_parameter_t*) bp;
 
-		if(dst_slot->active && slot->active)
-		{
-			double weight = 0.0;
-			int    iw = 0;
-			double value=0.0;
-			char *path = plug_get_osc_path_parameter( dst_slot->fx_instance, bpt->p[1] );
-			char *fmt  = plug_get_osc_format( dst_slot->fx_instance, bpt->p[1]);
-			char pkey[8];
-			sprintf(pkey, "p%02d",bpt->p[0]);
-			void *sender = veejay_get_osc_sender( srd->user_data );
+			void *fx_b = NULL;
+			fx_slot_t *dst_slot = sample_get_fx_port_ptr( srd, bpt->p[BIND_ENTRY] );
 
-			char *output_pname[128];
-			char *output_pval = vevo_sprintf_property_value( slot->out_values, pkey );
-
-			sprintf(output_pname, "o%02d", bpt->p[0]);
-			if(bpt->kind == HOST_PARAM_INDEX)
+			if(dst_slot->active && slot->active)
 			{
-				if( vevo_property_get( slot->out_values, pkey,0,&value ) == VEVO_NO_ERROR )
+				double weight = 0.0;
+				int    iw = 0;
+				double value=0.0;
+				char *path = plug_get_osc_path_parameter( dst_slot->fx_instance, bpt->p[BIND_IN_P] );
+				char *fmt  = plug_get_osc_format( dst_slot->fx_instance, bpt->p[BIND_IN_P]);
+				char pkey[8];
+				sprintf(pkey, "p%02d",bpt->p[BIND_OUT_P]);
+				void *sender = veejay_get_osc_sender( srd->user_data );
+
+				char *output_pname[128];
+				char *output_pval = vevo_sprintf_property_value( slot->out_values, pkey );
+
+				sprintf(output_pname, "o%02d", bpt->p[BIND_OUT_P]);
+				if(bpt->kind == HOST_PARAM_INDEX)
 				{
-					weight = 1.0 / (bpt->max[1] - bpt->min[1]);
-					iw = (int) ( value * weight );
-					plug_set_parameter( dst_slot->fx_instance, bpt->p[1], 1, &iw );
-					if(path && sender)
-						veejay_bundle_add( sender, path, fmt, iw );
-					if(sender)
-						veejay_xbundle_add( sender,dwin , output_pname,"s", (output_pval==NULL ? " " : output_pval) );
+					if( vevo_property_get( slot->out_values, pkey,0,&value ) == VEVO_NO_ERROR )
+					{
+						weight = 1.0 / (bpt->max[1] - bpt->min[1]);
+						iw = (int) ( value * weight );
+						plug_set_parameter( dst_slot->fx_instance, bpt->p[BIND_IN_P], 1, &iw );
+						if(path && sender)
+							veejay_bundle_add( sender, path, fmt, iw );
+						if(sender)
+							veejay_xbundle_add( sender,dwin , output_pname,"s", (output_pval==NULL ? " " : output_pval) );
+					}
 				}
-			}
-			else if(bpt->kind == HOST_PARAM_NUMBER)
-			{
-				if( vevo_property_get( slot->out_values, pkey,0,&value ) == VEVO_NO_ERROR )
+				else if(bpt->kind == HOST_PARAM_NUMBER)
 				{
-					double norm = (1.0 / (bpt->max[0] - bpt->min[0])) * value;
-					double gv = (bpt->max[1] - bpt->min[1]) * norm + bpt->min[1];
-					plug_set_parameter( dst_slot->fx_instance, bpt->p[1], 1, &gv );
-					if(path && sender)
-						veejay_bundle_add( sender, path, fmt, gv );
-					if(sender)
-						veejay_xbundle_add( sender, dwin, output_pname,"s",(output_pval==NULL ? " " : output_pval));
+					int err = vevo_property_get( slot->out_values, pkey,0,&value );
+				        if( err	== VEVO_NO_ERROR )
+					{
+						double norm = (1.0 / (bpt->max[0] - bpt->min[0])) * value;
+						double gv = (bpt->max[1] - bpt->min[1]) * norm + bpt->min[1];
+						plug_set_parameter( dst_slot->fx_instance, bpt->p[BIND_IN_P], 1, &gv );
+	
+						if(path && sender)
+							veejay_bundle_add( sender, path, fmt, gv );
+						if(sender)
+							veejay_xbundle_add( sender, dwin, output_pname,"s",(output_pval==NULL ? " " : output_pval));
+					}
+#ifdef STRICT_CHECKING
+					else
+					{
+						veejay_msg(0, "key is '%s' , error code %d", pkey,err );
+						char **items = vevo_list_properties( slot->out_values );
+						if(!items) veejay_msg(0,"\tThere are no items!");
+						else
+						{
+							int l;
+							for(l =0; items[l] != NULL;l++ )
+							{
+								veejay_msg(0,"have item '%s'", items[l]);
+								free(items[l]);
+							}
+							free(items[l]);
+						}
+					}
+
+#endif	
 				}
+				if(path) free(path);
+				if(fmt)  free(fmt);
+				if(output_pval) free(output_pval);
+
 			}
 			else 
 			{
 				veejay_msg(0, "Kind is not compatible: %d", bpt->kind );
 			}
-			if(path) free(path);
-			if(fmt)  free(fmt);
-			if(output_pval) free(output_pval);
-		}
 		}
+		
 		free( items[i] );
 	}
 	free(items);

veejay-ng/vevosample/vj-unicap.c

@@ -581,7 +581,7 @@ int	vj_unicap_configure_device( void *ud, int pixel_format, int w, int h )
 
 			return 0;
 		}
-		vut->deinterlace = 1;
+//		vut->deinterlace = 1;
 	}
 	else
 	{
@@ -674,6 +674,14 @@ int	vj_unicap_start_capture( void *vut, void *slot )
       		veejay_msg( 0, "Failed to start capture on device: %s\n", v->device.identifier );
 		return 0;
      	}
+	if( !SUCCESS( unicap_queue_buffer( v->handle, &(v->buffer) ) ) )
+   	{
+		veejay_msg( 0, "Failed to queue a buffer on device: %s\n", v->device.identifier );
+	//	unicap_unlock_properties( v->handle );
+
+		return 0;
+	}
+
 	v->active = 1;
 	return 1;
 }
@@ -694,13 +702,13 @@ int	vj_unicap_grab_frame( void *vut, void *slot )
 		}
 	}
 	
-   	if( !SUCCESS( unicap_queue_buffer( v->handle, &(v->buffer) ) ) )
+   /*	if( !SUCCESS( unicap_queue_buffer( v->handle, &(v->buffer) ) ) )
    	{
 		veejay_msg( 0, "Failed to queue a buffer on device: %s\n", v->device.identifier );
 		unicap_unlock_properties( v->handle );
 
 		return 0;
-	}
+	}*/
 		
 	if( !SUCCESS( unicap_wait_buffer( v->handle, &(v->returned_buffer )) ) )
 	{
@@ -709,6 +717,13 @@ int	vj_unicap_grab_frame( void *vut, void *slot )
 
 		return 0;
 	}
+	if( !SUCCESS( unicap_queue_buffer( v->handle, &(v->buffer) ) ) )
+   	{
+		veejay_msg( 0, "Failed to queue a buffer on device: %s\n", v->device.identifier );
+		unicap_unlock_properties( v->handle );
+
+		return 0;
+	}
 
 	if( v->deinterlace )
 	{