added events: samplebank add, samplebank del, samplebank list, fx list, fx info, setup preview, get preview, fx details,fx chain, added sayVIMS utility, updated buildscripts

git-svn-id: svn://code.dyne.org/veejay/trunk@590 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
2025-12-19 22:30:06 +01:00 · 2006-08-15 14:28:55 +00:00
parent a52c9bf974
commit 9d3fbed9fd
11 changed files with 545 additions and 32 deletions
--- a/veejay-ng/Makefile.am
+++ b/veejay-ng/Makefile.am
@@ -2,7 +2,7 @@

 SUBDIRS = bio2jack libhash libvjmsg libvjmem 
 SUBDIRS += libvevo libplugger libvjnet libyuv libel libvjaudio vevosample veejay
-SUBDIRS += man
+SUBDIRS += tools man


 #
--- a/veejay-ng/configure.ac
+++ b/veejay-ng/configure.ac
@@ -776,6 +776,7 @@ libel/Makefile
 bio2jack/Makefile
 vevosample/Makefile
 veejay/Makefile
+tools/Makefile
 man/Makefile
 veejay-config
 veejay.pc
--- a/veejay-ng/libplugger/plugload.c
+++ b/veejay-ng/libplugger/plugload.c
@@ -265,6 +265,39 @@ static	void	free_plugin(void *plugin)

 }

+char		*list_plugins()
+{
+	int i = 0;
+	int len = 0;
+	char *res = NULL;
+	for ( i = 0; i < index_; i ++ )
+	{
+		char *name = plug_get_name( i );
+		if(name)
+		{
+			len += strlen(name) + 1;
+			free(name);
+		}
+	}
+
+	if(len <= 0 )
+		return NULL;
+
+	res = (char*) malloc( len );
+	memset( res,0,len );
+	char *p = res;
+	for ( i = 0; i < index_; i ++ )
+	{
+		char *name = plug_get_name(i);
+		if(name)
+		{
+			sprintf(p, "%s:",name );
+			p += strlen(name) + 1;
+		}
+	}
+	return res;
+}
+
 static	void	free_plugins()
 {
 	int i;
@@ -494,6 +527,158 @@ void	plug_deactivate( void *instance )
 	deinstantiate_plugin( instance );	
 }

+static	int	linear_len( char **items )
+{
+	int i = 0;
+	int len = 0;
+	for( i = 0; items[i] != NULL ; i ++ )
+		len += strlen(items[i]);
+	return len;
+}
+
+static	int	memory_needed_for_port( void *port, const char *key )
+{
+	void *subport = NULL;
+	int error = vevo_property_get( port , key, 0, &subport );
+	if( error != VEVO_NO_ERROR )
+		return 0;
+	char **items = vevo_sprintf_port( subport );
+	
+	int len = linear_len(items);
+	int k   = 0;
+	for( k = 0; items[k] != NULL; k ++ )
+		free(items[k]);
+	free(items);
+
+	return len;
+}
+
+static	char *	flatten_port( void *port, const char *key )
+{
+	int len = memory_needed_for_port( port, key );
+	if( len <= 0 )
+		return NULL;
+	
+	char *res = (char*) malloc( len );
+	void *subport = NULL;
+
+	int error = vevo_property_get( port , key, 0, &subport );
+	if( error != VEVO_NO_ERROR )
+		return 0;
+	
+	memset(res,0,len);
+	char **items = vevo_sprintf_port( subport );
+	int k   = 0;
+	for( k = 0; items[k] != NULL; k ++ )
+	{
+		strncat(res, items[k],strlen(items[k]));
+		free(items[k]);
+	}
+	free(items);
+	return res;
+}
+
+char	*plug_describe( int fx_id )
+{
+	void *plug = index_map_[fx_id];
+	if(!plug)
+		return NULL;
+	void *instance = NULL;
+	void *filter = NULL;
+	int pi = 0;
+	int po = 0;
+	int ci = 0;
+	int co = 0;
+	char *res = NULL;
+	char key[64];
+	int i;
+	int len = 0;
+	int error = 0;
+
+	error = vevo_property_get( plug, "num_inputs", 0, &ci );
+	error = vevo_property_get( plug, "num_params", 0, &pi );
+	error = vevo_property_get( plug, "num_out_params",0,&po );
+	error = vevo_property_get( plug, "num_outputs",0,&co );
+	error = vevo_property_get( plug, "instance", 0,&instance );
+	
+	error = vevo_property_get( instance, "filters",0,&filter );
+#ifdef STRICT_CHECKING
+	assert( error == VEVO_NO_ERROR );
+#endif
+	//@ cannot handle multiple filters yet
+	char *maintainer = get_str_vevo( instance, "maintainer");
+	char *version    = get_str_vevo( instance, "version" );
+	char *description = get_str_vevo( filter, "description" );
+	char *name	 = get_str_vevo(  filter, "name");
+	char *author     = get_str_vevo(  filter, "author" );
+	char *license    = get_str_vevo(  filter, "license" );
+	char **in_params = NULL;
+	char **out_params = NULL;
+	if( pi > 0 )
+	{
+		in_params = (char*) malloc(sizeof(char*) * pi );
+	
+		for( i = 0; i < pi; i ++ )
+		{
+			sprintf(key, "p%02d",i);
+			in_params[i] = flatten_port( plug , key );
+			len += strlen(in_params[i])+1;
+		}
+	}
+	if( po > 0 )
+	{
+		out_params = (char*) malloc(sizeof(char*) * pi );
+	
+		for( i = 0; i < pi; i ++ )
+		{
+			sprintf(key, "q%02d",i);
+			out_params[i] = flatten_port( plug , key );
+			len += strlen(out_params[i])+1;
+		}
+	}
+
+
+	len += strlen( maintainer ) + 12;
+	len += strlen( version ) + 9;
+	len += strlen( description ) + 13;
+	len += strlen( name ) +6;
+	len += strlen( author )+8;
+	len += strlen( license )+9;
+
+	res = (char*) malloc(sizeof(char) * len + 150 );
+	memset(res,0,len);
+
+	sprintf( res,
+			"name=%s:description=%s:author=%s:maintainer=%s:license=%s:version=%s:",
+				name,description,author,maintainer,license,version );
+
+	char *p = res + strlen(res);
+	
+	for( i = 0; i < pi ; i ++ )
+	{
+		sprintf(p, "p%02d=[%s]:", i, in_params[i] );
+		p += strlen(in_params[i]) + 7;
+		free(in_params[i]);
+	}
+	for( i = 0; i < po ; i ++ )
+	{
+		sprintf(p, "q%02d=[%s]:", i, out_params[i] );
+		p += strlen( out_params[i] ) + 7;
+		free(out_params[i]);
+	}
+
+	free(in_params);
+	free(out_params);
+	free(maintainer);
+	free(version);
+	free(description);
+	free(name);
+	free(author);
+	free(license);
+
+	return res;	
+}
+
 void	*plug_activate( int fx_id )
 {
 	if(!index_map_[fx_id] )
--- a/veejay-ng/libvevo/vevo.c
+++ b/veejay-ng/libvevo/vevo.c
@@ -1893,6 +1893,8 @@ char	*vevo_format_property( vevo_port_t *port, const char *key )
 			token[0] = 's';
 			break;
 		case VEVO_ATOM_TYPE_VOIDPTR:
+			token[0] = 'x';
+			break;
 		case VEVO_ATOM_TYPE_PORTPTR:
 			token[0] = 'p';
 			break;	
@@ -2185,11 +2187,13 @@ char  *vevo_sprintf_property( vevo_port_t *port, const char *key  )
 	int 	nerr  = 0;
 	int	size = PROP_MAX_LEN;	

+	void	*vport = NULL;
+	
 	sprintf(res, "%s=", key );
 	
 	while( *format && nerr == 0)
 	{
-		char 	tmp[256];
+		char 	tmp[1024];
 		bzero(tmp,256);
 		switch(*format)
 		{
@@ -2238,8 +2242,40 @@ char  *vevo_sprintf_property( vevo_port_t *port, const char *key  )
 				}
 				str_val = NULL;
 				break;
+			case 'x':
+				break;
 			case 'p':
-				tmp[0] = ':';
+				{
+					int num = 0;
+					if(n_elems == 0 )
+					{
+						error = vevo_property_get(port,key,0,&vport );
+						if(error == VEVO_NO_ERROR )
+						num  = vevo_num_properties(vport);
+					}
+
+					if( num > 0 )
+					{
+						char **pstr = vevo_sprintf_port( vport );
+						if(pstr)
+						{
+							int k;
+
+							sprintf(tmp, "[%s",key);	
+							
+						        for( k = 0; pstr[k] != NULL; k ++ )
+						        {
+							       strncat(tmp, pstr[k], strlen(pstr[k]));
+							       free(pstr[k]);
+						        }
+							free(pstr);
+
+							int n = strlen(tmp);
+							tmp[n] =']';
+							tmp[n+1] = ':';
+						}
+					}
+				}
 				break;
 		}
 		*format++;
--- a/veejay-ng/veejay/liblavplayvj.c
+++ b/veejay-ng/veejay/liblavplayvj.c
@@ -483,7 +483,7 @@ static void *veejay_software_playback_thread(void *arg)
 		}
 #endif	
 		//@ Handle callbacks HERE
-		vj_event_update_remote( info );
+//		vj_event_update_remote( info );


 		settings->currently_processed_entry = 
@@ -1023,6 +1023,9 @@ static void veejay_playback_cycle(veejay_t * info)
 	    gettimeofday(&time_now, 0);
 	    stats.tdiff = time_now.tv_sec - bs.timestamp.tv_sec +
 		(time_now.tv_usec - bs.timestamp.tv_usec)*1.e-6;
+
+	vj_event_update_remote( info );
+
 	} while (stats.tdiff > settings->spvf && (stats.nsync - first_free) < (1 - 1));

 #ifdef HAVE_JACK
--- a/veejay-ng/veejay/performer.c
+++ b/veejay-ng/veejay/performer.c
@@ -46,7 +46,7 @@
 /** \defgroup performer Performer
 *
 * The performer is the central pool of audio and video frames.
- * During initialization, the performer will allocate 4 linear
+ * During initialization, the performer will allocate a series of linear
 * buffers, each buffer represents a plane. All buffers have
 * the same size. The performer tries to lock this memory to
 * be resident in RAM, but continious if it fails.
@@ -68,11 +68,6 @@
 * the resulting output frame will be displayed. The current frame
 * is stored as input channel for the next entry to process.
 *  
- * If a plugin procesess data inplace, the linear buffer
- * will be updated immediatly.
- * If a plugin produces an output frame, it will be copied 
- * to the start of the linear buffer. 
- *  
 */

 //! \typedef performer_t Performer runtime data
@@ -85,22 +80,22 @@ typedef struct
 	VJFrame **fx_buffer;			//<<! Chunks, pointer to resulting fx
 	VJFrame *preview_bw;			//<<! Grayscale preview 
 	VJFrame *preview_col;			//<<! Color preview
-	VJFrame *display;
+	VJFrame *display;			//<<! Pointer to last rendered frame
 	void	*in_frames;			//<<! Port, list of frames needed for this cycle
 	void	*out_frames;			//<<! Port, list of output frames accumulated
-	uint8_t *audio_buffer;
+	uint8_t *audio_buffer;			//<<! Buffer used for audio data
 	AFrame **audio_buffers;			//<<! Linear buffer, locked in RAM
-	void	*resampler;
+	void	*resampler;			//<<! On the fly audio resampling
 	void 	*sampler;			//<<! YUV sampler
-	int	sample_mode;
+	int	sample_mode;			//<<! YUV sample mode
 	int	n_fb;				//<<! Maximum number of Chunks
 	int	n_fetched;			//<<! Total Chunks consumed
-	int	last;
+	int	last;				//<<! Last rendered entry
 	int	dlast;
 } performer_t;


-//! Allocate a new Chunk
+//! Allocate a new Chunk depending on output pixel format
 /**!
 \param info Veejay Object
 \param p0 Pointer to Plane 0
@@ -158,7 +153,7 @@ static	VJFrame	*performer_alloc_frame( veejay_t *info, uint8_t *p0, uint8_t *p1,
 	return f;
 }

-//! Initialize Performer. 
+//! Initialize Performer. Initialize memory for audio and video rendering
 /**!
  \param info Veejay Object
  \param max_fx Maximum Chunks
@@ -324,7 +319,11 @@ void	*performer_init( veejay_t *info, const int max_fb )

 	return (void*) p;
 }
-
+//! Start audio task
+/**!
+ \param info Veejay Object
+ \return Error code or audio rate
+ */
 long	performer_audio_start( veejay_t *info )
 {
 #ifdef HAVE_JACK
@@ -372,7 +371,10 @@ long	performer_audio_start( veejay_t *info )
 	return 0;
 #endif
 }
-
+//! Continue playing audio
+/**!
+ \param info Veejay Object
+ */
 void	performer_audio_continue( veejay_t *info )
 {
 	performer_t *p = info->performer;
@@ -382,7 +384,11 @@ void	performer_audio_continue( veejay_t *info )
 	vj_jack_continue( speed );
 }

-
+//! Stop playing audio
+/**!
+ \param info Veejay Object
+ \return Error code
+ */
 int	performer_audio_stop( veejay_t *info )
 {
 	int i;
@@ -401,6 +407,10 @@ int	performer_audio_stop( veejay_t *info )
 	info->audio = NO_AUDIO;
 	return 1;
 }
+//! Reset audio buffers
+/**!
+ \param info Veejay Object
+ */
 void	performer_audio_restart( veejay_t *info )
 {
 	int i;
@@ -535,7 +545,10 @@ static	uint8_t *performer_fetch_audio_frames( veejay_t *info, int *gen_samples )
 	return out;
 }
 #endif
-
+//! Record and encode video 
+/**!
+ \param info Veejay Object
+ */
 void	performer_save_frame( veejay_t *info )
 {
 	performer_t *p = (performer_t*) info->performer;
@@ -564,7 +577,12 @@ void	performer_save_frame( veejay_t *info )
 			
 }

-
+//! Grab audio frames
+/**!
+ \param info Veejay Object
+ \param skipa Skip audio frames
+ \return Error code
+ */
 int	performer_queue_audio_frame( veejay_t *info, int skipa )
 {
 	static uint8_t *buffer_ = NULL;
@@ -606,13 +624,6 @@ int	performer_queue_audio_frame( veejay_t *info, int skipa )
 	return 1;
 }

-//! Queue frame of current playing Sample
-/**!
- \param info Veejay Object
- \param skip_incr Skip Increment
- \return Error code
- */
-
 //! Fetch all video frames needed for this run. 
 /**
 \param info veejay_t
@@ -658,6 +669,7 @@ static int	performer_fetch_frames( veejay_t *info, void *samples_needed)
 	return n_fetched;
 }

+
 static	void	performer_down_scale_plane1x2( uint8_t *src_plane, unsigned int len, uint8_t *dst_plane)
 {
 	unsigned int k,n = 0;
@@ -729,6 +741,14 @@ static	void	performer_preview_frame_color( VJFrame *src, VJFrame *dst, int reduc
 			break;	
 	}
 }
+//! Configure preview image properties 
+/**
+ \param info veejay_t
+ \param p performer_t
+ \param reduce Reduce width x height
+ \param preview_mode Preview mode
+ \return Error code
+ */

 int		performer_setup_preview( veejay_t *info, performer_t *p, int reduce, int preview_mode )
 {
@@ -753,8 +773,10 @@ int		performer_setup_preview( veejay_t *info, performer_t *p, int reduce, int pr
     }
     
     if( reduce < PREVIEW_50 || reduce > PREVIEW_125 )
+     {
+	     veejay_msg(VEEJAY_MSG_ERROR, "Wrong reduce value");
 	     return 0;
-     
+     }
     settings->preview	    = preview_mode;
     info->preview_size     = reduce;
     
--- a/veejay-ng/veejay/vims.h
+++ b/veejay-ng/veejay/vims.h
@@ -112,6 +112,17 @@ enum {
 	VIMS_SAMPLE_START_RECORDER			=	381,
 	VIMS_SAMPLE_STOP_RECORDER			=	382,

+	VIMS_PERFORMER_SETUP_PREVIEW			=	400,
+	VIMS_PERFORMER_GET_PREVIEW			=	401,
+
+	VIMS_SAMPLEBANK_LIST				=	402,
+	VIMS_SAMPLEBANK_ADD				=	403,
+	VIMS_SAMPLEBANK_DEL				=	404,
+	VIMS_FX_LIST					=	405,
+	VIMS_FX_DETAILS					=	406,
+	VIMS_FX_CURRENT_DETAILS				=	407,
+	VIMS_FX_CHAIN					=	408, 
+
 	VIMS_GET_FRAME				=	42,

 	VIMS_SET_PORT				=	650,
--- a/veejay-ng/veejay/vj-event.c
+++ b/veejay-ng/veejay/vj-event.c
@@ -1782,6 +1782,118 @@ void vj_event_el_add_video(void *ptr, const char format[], va_list ap)
 {
 }

+void	vj_event_performer_configure_preview( void *ptr, const char format[], va_list ap )
+{
+	int args[3];
+	char *s = NULL;
+	veejay_t *v = (veejay_t*) ptr;
+	P_A(args, s, format, ap);
+
+	int n = performer_setup_preview( v,
+				         v->performer,
+					 args[0],
+					 args[1]);
+	if( n )
+	{
+		veejay_msg(VEEJAY_MSG_INFO, "Preview image configured");
+	}
+}
+
+void	vj_event_performer_get_preview_image( void *ptr, const char format[], va_list ap )
+{
+	//write preview image to socket
+}
+
+void	vj_event_samplebank_list( void *ptr, const char format[], va_list ap )
+{
+	/* sample id, sample type */
+	char *data = samplebank_sprint_list();
+	veejay_msg(0,"list: '%s'", data );
+	free(data);
+}
+void	vj_event_samplebank_add ( void *ptr, const char format[], va_list ap )
+{
+	int args[3];
+	char s[1024];
+	veejay_t *v = (veejay_t*) ptr;
+	P_A(args, s, format, ap);
+
+	void *sample = sample_new( args[0] );
+	if( sample_open( sample, s, args[1], v->video_info ) <= 0 )
+	{
+		veejay_msg(0, "Unable to open '%s' as new sample", s);
+	}
+	else
+	{
+		int id =  samplebank_add_sample(sample);
+		veejay_msg(0, "Added '%s' as new sample %d", s, id );
+	}
+}
+void	vj_event_samplebank_del ( void *ptr, const char format[], va_list ap )
+{
+	int args[3];
+	char *s = NULL;
+	veejay_t *v = (veejay_t*) ptr;
+	P_A(args, s, format, ap);
+
+	int current_playing = sample_get_key_ptr( v->current_sample );
+	
+	if( args[0] == current_playing || args[0] == 0)
+	{
+		veejay_msg(0, "Cannot delete current playing sample");
+		return;
+	}
+	
+	if( sample_delete( args[0] ) )
+	{
+		veejay_msg(VEEJAY_MSG_INFO, "Deleted sample %d", args[0] );
+	}
+	else
+	{
+		veejay_msg(VEEJAY_MSG_INFO, "Sample %d does not exist",args[0]);
+	}
+}
+
+void	vj_event_fx_list	( void *ptr, const char format[], va_list ap )
+{
+	char *data = list_plugins();
+	veejay_msg(0,"list: '%s'", data );
+	free(data);
+
+}
+void	vj_event_fx_info	( void *ptr, const char format[], va_list ap )
+{
+
+	int args[3];
+	char plug_name[1024];
+	veejay_t *v = (veejay_t*) ptr;
+	P_A(args, plug_name, format, ap);
+	int i;
+	int fx_id = 
+		plug_get_fx_id_by_name( plug_name );
+
+	if( fx_id < 0 )
+	{
+		veejay_msg(0, "Plugin '%s' not loaded", plug_name);
+		return;
+	}
+
+	char *str = plug_describe( fx_id );
+
+	printf( "\n\n%s\n\n", str );
+
+	free(str);
+	
+}
+void	vj_event_sample_fx_details(void *ptr, const char format[], va_list ap)
+{
+}
+void	vj_event_sample_fx_chain( void *ptr, const char format[], va_list ap )
+{
+}
+
+
+
 void	vj_event_sample_configure_recorder( void *ptr, const char format[], va_list ap )
 {
 	int args[4];
--- a/veejay-ng/veejay/vj-event.h
+++ b/veejay-ng/veejay/vj-event.h
@@ -87,5 +87,14 @@ void	vj_event_sample_configure_recorder( void *ptr, const char format[], va_list
 void	vj_event_sample_start_recorder( void *ptr, const char format[], va_list ap );
 void	vj_event_sample_stop_recorder( void *ptr, const char format[], va_list ap );

+void	vj_event_performer_configure_preview( void *ptr, const char format[], va_list ap);
+void	vj_event_performer_get_preview_image( void *ptr, const char format[], va_list ap);

+void	vj_event_samplebank_list( void *ptr, const char format[], va_list ap );
+void	vj_event_samplebank_add ( void *ptr, const char format[], va_list ap );
+void	vj_event_samplebank_del ( void *ptr, const char format[], va_list ap );
+void	vj_event_fx_list	( void *ptr, const char format[], va_list ap );
+void	vj_event_fx_info	( void *ptr, const char format[], va_list ap );
+void	vj_event_sample_fx_details(void *ptr, const char format[], va_list ap);
+void	vj_event_sample_fx_chain( void *ptr, const char format[], va_list ap);
 #endif
--- a/veejay-ng/veejay/vj-eventman.c
+++ b/veejay-ng/veejay/vj-eventman.c
@@ -712,6 +712,29 @@ void		vj_init_vevo_events(void)
 				-1,
 				NULL );

+	index_map_[VIMS_PERFORMER_SETUP_PREVIEW]	= _new_event(
+				"%d %d",
+				VIMS_PERFORMER_SETUP_PREVIEW,
+				"Configure preview image",
+				vj_event_performer_configure_preview,
+				2,
+				VIMS_REQUIRE_ALL_PARAMS,
+				"Preview mode",
+				0,
+				"Recude",
+				0,
+				NULL );
+
+	index_map_[VIMS_PERFORMER_GET_PREVIEW] 		= _new_event(
+				NULL,
+				VIMS_PERFORMER_GET_PREVIEW,
+				"Get preview image",
+				vj_event_performer_get_preview_image,
+				0,
+				VIMS_REQUIRE_ALL_PARAMS,
+				NULL,
+				NULL );
+	
 	index_map_[VIMS_SAMPLE_CONFIGURE_RECORDER]	 = _new_event(
 				"%d %d %d %s",
 				VIMS_SAMPLE_CONFIGURE_RECORDER,
@@ -729,6 +752,86 @@ void		vj_init_vevo_events(void)
 				NULL,
 				NULL );

+	index_map_ [ VIMS_SAMPLEBANK_LIST ] = _new_event(
+				NULL,
+				VIMS_SAMPLEBANK_LIST,
+				"List samples in samplebank",
+				vj_event_samplebank_list,
+				0,
+				VIMS_REQUIRE_ALL_PARAMS,
+				NULL,
+				NULL );
+
+	index_map_ [ VIMS_SAMPLEBANK_ADD ] = _new_event(
+				"%d %d %s",
+				VIMS_SAMPLEBANK_ADD,
+				"Add file to samplebank",
+				vj_event_samplebank_add,
+				3,
+				VIMS_LONG_PARAMS | VIMS_REQUIRE_ALL_PARAMS,
+				"Type of sample",
+				0,
+				"Extra token",
+				0,
+				"Filename",
+				NULL,
+				NULL );
+
+	index_map_[ VIMS_SAMPLEBANK_DEL ] = _new_event(
+				"%d",
+				VIMS_SAMPLEBANK_DEL,
+				"Delete sample from samplebank",
+				vj_event_samplebank_del,
+				1,
+				VIMS_REQUIRE_ALL_PARAMS,
+				"Sample ID",
+				0,
+				NULL );
+	
+	index_map_ [ VIMS_FX_LIST ] = _new_event(
+				NULL,
+				VIMS_FX_LIST,
+				"List all loaded plugins",
+				vj_event_fx_list,
+				0,
+				VIMS_REQUIRE_ALL_PARAMS,
+				NULL,
+				NULL );
+
+	index_map_[ VIMS_FX_DETAILS ] = _new_event(
+				"%s",
+				VIMS_FX_DETAILS,
+				"Get plugin information",
+				vj_event_fx_info,
+				1,
+				VIMS_REQUIRE_ALL_PARAMS,
+				"Plugin name",
+				NULL,
+				NULL );	
+	index_map_[ VIMS_FX_CURRENT_DETAILS ] = _new_event(
+				"%d %d",
+				VIMS_FX_DETAILS,
+				"Get fx information on sample entry",
+				vj_event_sample_fx_details,
+				2,
+				VIMS_REQUIRE_ALL_PARAMS,
+				SAMPLE_ID_HELP,
+				0,
+				SAMPLE_FX_ENTRY_HELP,
+				0,
+				NULL );	
+
+	index_map_[ VIMS_FX_CHAIN ] = _new_event(
+				"%d",
+				VIMS_FX_CHAIN,
+				"Get fx chain of sample",
+				vj_event_sample_fx_chain,
+				1,
+				VIMS_REQUIRE_ALL_PARAMS,
+				SAMPLE_ID_HELP,
+				0,
+				NULL );
+	
 	index_map_ [ VIMS_SAMPLE_START_RECORDER ] = _new_event(
 				"%d",
 				VIMS_SAMPLE_START_RECORDER,
--- a/veejay-ng/vevosample/vevosample.c
+++ b/veejay-ng/vevosample/vevosample.c
@@ -1122,6 +1122,37 @@ void	samplebank_init()
 #endif	
 }

+char	*samplebank_sprint_list()
+{
+	char *res = NULL;
+	int len   = 0;
+	char **props = (char**) vevo_list_properties( sample_bank_ );
+	if(!props)
+		return NULL;
+
+	int i = 0;
+	for( i = 0; props[i] != NULL ; i ++ )
+	{
+		if(props[i][0] == 's')
+			len += strlen( props[i] ) + 1;
+	}
+
+	res = (char*) malloc(sizeof(char) * len );
+	memset(res,0,len);
+	
+	char *p = res;
+	for( i = 0; props[i] != NULL ; i ++ )
+	{
+		if(props[i][0] == 's' )
+		{
+			sprintf(p, "%s:", props[i]);
+			p += strlen( props[i] ) + 1;
+		}		
+	}
+
+	return res;
+}
+
 void	samplebank_free()
 {
 	int i = 0;