envelope_update_frames can now be set via CLI and config file

7 files changed, 31 insertions, 8 deletions

diff --git a/synth/cli.cpp b/synth/cli.cpp
index 376edc3..eb52c95 100644
--- a/synth/cli.cpp
+++ b/synth/cli.cpp
@@ -44,6 +44,8 @@ void parse_args(int argc, char** argv)
 			{"max-portamento-time",           required_argument,  0, 303},
 			{"filter-update-freq",           required_argument,  0, 305},
 			{"lfo-update-freq",           required_argument,  0, 306},
+			{"env-update-freq",           required_argument,  0, 307},
+			{"envelope-update-freq",           required_argument,  0, 307},
 			{"no-connect-audio-out",          no_argument,        0, 'a'},
 			{"no-connect-audio",          no_argument,        0, 'a'},
 			{"dont-connect-audio-out",          no_argument,        0, 'a'},
@@ -164,6 +166,14 @@ void parse_args(int argc, char** argv)
 								else
 									output_warning("WARNING: not a number in --lfo-update-freq option. ignoring it...");
 								break;
+			case 307:	if (isfloat(optarg))
+									if (atoi(optarg)<=0)
+										output_warning("WARNING: envelope-update-freq must be positive. ignoring it...");
+									else
+										envelope_update_freq_hz=atof(optarg);
+								else
+									output_warning("WARNING: not a number in --envelope-update-freq option. ignoring it...");
+								break;
 								
 			default: cout << "ERROR: invalid command line options. try the --help switch" << endl;
 							 exit(1);
diff --git a/synth/defines.h b/synth/defines.h
index 4a2e929..34d745e 100644
--- a/synth/defines.h
+++ b/synth/defines.h
@@ -11,6 +11,7 @@
 
 #define FILTER_UPDATE_FREQ_HZ 250
 #define LFO_UPDATE_FREQ_HZ 500
+#define ENVELOPE_UPDATE_FREQ_HZ 50
 
 //when changing this, also change code marked with FINDLFO!
 #define N_LFOS 3
diff --git a/synth/globals.cpp b/synth/globals.cpp
index 5b256b3..e932fcb 100644
--- a/synth/globals.cpp
+++ b/synth/globals.cpp
@@ -23,11 +23,13 @@ float cleanup_interval_sec=0;
 float snh_freq_hz=0;
 float max_port_time_sec=0;
 
-float filter_update_freq_hz;
-float lfo_update_freq_hz;
+float filter_update_freq_hz=0;
+float lfo_update_freq_hz=0;
+float envelope_update_freq_hz=0;
 
 int filter_update_frames;
 int lfo_update_frames;
+int envelope_update_frames;
 
 float xrun_time=0;
 int xrun_n=0;
diff --git a/synth/globals.h b/synth/globals.h
index b7c9109..efbbe72 100644
--- a/synth/globals.h
+++ b/synth/globals.h
@@ -36,9 +36,11 @@ extern float max_port_time_sec;
 
 extern float filter_update_freq_hz;
 extern float lfo_update_freq_hz;
+extern float envelope_update_freq_hz;
 
 extern int filter_update_frames;
 extern int lfo_update_frames;
+extern int envelope_update_frames;
 
 extern float xrun_time;
 extern int xrun_n;
diff --git a/synth/load.cpp b/synth/load.cpp
index d88ec3e..9b80106 100644
--- a/synth/load.cpp
+++ b/synth/load.cpp
@@ -176,6 +176,13 @@ void read_config(const char *cfg, bool complain=true)
 								else
 									output_verbose("NOTE: ignoring value for filter_update_freq, another setting overrides this.");
 							}
+							else if ((var=="envelope_update_freq") || (var=="env_update_freq"))
+							{
+								if (envelope_update_freq_hz==0)
+									envelope_update_freq_hz=valf;
+								else
+									output_verbose("NOTE: ignoring value for envelope_update_freq, another setting overrides this.");
+							}
 							else
 								output_warning("WARNING: unknown variable '"+var+"'. ignoring it...");
 						}
diff --git a/synth/main.cpp b/synth/main.cpp
index ae2e0d8..95444cb 100644
--- a/synth/main.cpp
+++ b/synth/main.cpp
@@ -41,6 +41,7 @@ int main(int argc, char** argv)
 		if (max_port_time_sec<=0) max_port_time_sec=MAX_PORTAMENTO_TIME;
 		if (filter_update_freq_hz<=0) filter_update_freq_hz=FILTER_UPDATE_FREQ_HZ;
 		if (lfo_update_freq_hz<=0) lfo_update_freq_hz=LFO_UPDATE_FREQ_HZ;
+		if (envelope_update_freq_hz<=0) envelope_update_freq_hz=ENVELOPE_UPDATE_FREQ_HZ;
 		if (xrun_n<=0) xrun_n=XRUN_N;
 		if (xrun_time<=0) xrun_time=XRUN_TIME;
 		
@@ -62,9 +63,10 @@ int main(int argc, char** argv)
 
 		filter_update_frames=samp_rate/filter_update_freq_hz;
 		lfo_update_frames=samp_rate/lfo_update_freq_hz;
+		envelope_update_frames=samp_rate/envelope_update_freq_hz;
 		if (filter_update_frames<1) filter_update_frames=1;
 		if (lfo_update_frames<1) lfo_update_frames=1;
-
+		if (envelope_update_frames<1) envelope_update_frames=1;
 
 		int i,j;
 
@@ -184,5 +186,6 @@ void dump_options()
 	cout << "xrun n/time:\t\t"<<xrun_n<<"/"<<xrun_time<<"s"<<endl;
 	cout << "lfo update freq:\t"<<lfo_update_freq_hz<<endl;
 	cout << "filter update freq:\t"<<filter_update_freq_hz<<endl;
+	cout << "envelope update freq:\t"<<envelope_update_freq_hz<<endl;
 	
 }
diff --git a/synth/note.cpp b/synth/note.cpp
index b8028bc..a9a5a42 100644
--- a/synth/note.cpp
+++ b/synth/note.cpp
@@ -1,5 +1,3 @@
-#define ENV_NTH_FRAME 50
-
 #include <string>
 #include <cmath>
 
@@ -39,7 +37,7 @@ Note::Note(int n, float v, program_t &prg, jack_nframes_t pf, fixed_t pb, int pr
 	envelope=new Envelope*[n_oscillators];
 	
 	for (int i=0;i<n_oscillators;i++)
-		envelope[i]=new Envelope(prg.env_settings[i], ENV_NTH_FRAME);
+		envelope[i]=new Envelope(prg.env_settings[i], envelope_update_frames);
 	
 	oscillator=new oscillator_t[n_oscillators];
 	orig.oscillator=new oscillator_t[n_oscillators];
@@ -85,7 +83,7 @@ Note::Note(int n, float v, program_t &prg, jack_nframes_t pf, fixed_t pb, int pr
 		filter_update_counter=filter_update_frames;
 	}
 
-	env_frame_counter=ENV_NTH_FRAME; //force update in first frame
+	env_frame_counter=envelope_update_frames; //force update in first frame
 	
 
 	sync_factor=prg.sync_factor;
@@ -385,7 +383,7 @@ fixed_t Note::get_sample()
 	
 	
 	env_frame_counter++;
-	if (env_frame_counter>=ENV_NTH_FRAME)
+	if (env_frame_counter>=envelope_update_frames)
 	{
 		env_frame_counter=0;
 		for (i=0;i<n_oscillators;i++)