Crappy fft for spectrum analysis and initial gtk test

1 files changed, 65 insertions, 5 deletions

diff --git a/src/generator.c b/src/generator.c
index 4e81297..ab2206f 100644
--- a/src/generator.c
+++ b/src/generator.c
@@ -1,16 +1,76 @@
+#include <libconfig.h>
+
 #include "generator.h"
 
 
 
 float
-generate(generator * g, synth_t * s, int i)
+generate(generator * g, synth_t * s, int i, sound_node * root)
 {
   float sample = 0;
 
-  float f = get_frequency(g, s, i);'
-  
-  sample = osc_saw(midi_note->wvt_index);
-  midi_note->wvt_index = osc_saw_next(f, midi_note->wvt_index);
+  sampe = play_tree(root, s->midi_note[i]);
   
   return sample;
 }
+
+int
+sound_tree_add_node(sound_node * root, const char * cmp)
+{
+
+}
+
+int
+load_preset(sound_node * tree, const char * path)
+{
+  config_t cfg;
+  config_setting_t *setting, *x;
+  const char *str;
+
+  config_init(&cfg);
+  if (! config_read_file(&cfg, "../preset.synth")) {
+    fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg),
+            config_error_line(&cfg), config_error_text(&cfg));
+    config_destroy(&cfg);
+    return(EXIT_FAILURE);
+  }  
+  setting = config_lookup(&cfg, "patch");
+  if (setting != NULL) {
+    int count = config_setting_length(setting);
+
+    for(int i = 0; i < count; ++i) {
+      x = config_setting_get_elem(setting, i);
+      printf("%s = %f\n", config_setting_name(x), config_setting_get_float(x));
+      // TODO
+      sound_tree_add_node(tree, name);
+    }
+  }
+
+
+  setting = config_tree_setting(&cfg);
+  if (setting != NULL) {
+    int count = config_setting_length(setting);
+
+    for(int i = 0; i < count; ++i) {
+      chat * name = config_setting_name(x);
+      x = config_setting_get_elem(setting, i);
+      printf("%s -- %d\n", config_setting_name(x), config_setting_type(x));
+
+      if (name[0] == 'o') { // osc
+        // TODO
+        configure_osc(tree, id);
+      } else if (name[0] == 'a') { // adsr
+        // TODO
+        configure_adsr(tree, id);
+      } else if (name[0] == 'l') { // lfo
+        // TODO
+        configure_lfo(tree, id);
+      } else {
+        printf("%s: wrong!", name);
+      }
+    }
+  }
+  
+  config_destroy(&cfg);
+
+}