add feature dictionary conversion.

msaf/featextract.py

@@ -117,6 +117,14 @@ def save_features(out_file, features):
         Dictionary containing the features.
     """
     logging.info("Saving the JSON file in %s" % out_file)
+    out_json = convert_features(features)
+    # Actual save
+    with open(out_file, "w") as f:
+        json.dump(out_json, f, indent=2)
+
+
+def convert_features(features):
+    """created to enable a not-saving-json case"""
     out_json = {"metadata": {"version": {"librosa": librosa.__version__}}}
     out_json["analysis"] = {
         "dur": features["anal"]["dur"],
@@ -154,9 +162,7 @@ def save_features(out_file, features):
     except:
         logging.warning("No annotated beats")
 
-    # Actual save
-    with open(out_file, "w") as f:
-        json.dump(out_json, f, indent=2)
+    return out_json
 
 
 def compute_beat_sync_features(features, beats_idx):

msaf/input_output.py

@@ -228,6 +228,7 @@ def get_features(audio_path, annot_beats=False, framesync=False):
 
     return get_features_from_memory(feat, annot_beats, framesync)
 
+
 def get_features_from_memory(feats, annot_beats=False, framesync=False):
 
     # Beat Synchronous Feats

msaf/run.py

@@ -354,8 +354,10 @@ def process(in_path, annot_beats=False, feature="hpcp", ds_name="*",
             # msaf.utils.ensure_dir(os.path.dirname(file_struct.features_file)) # both lines move to..
             # msaf.featextract.save_features(file_struct.features_file, all_features) # ..the end of this function.
             # Get correct features
-            config["features"] = all_features
-
+            feats_converted = featextract.convert_features(all_features)
+            config["features"] = msaf.io.get_features_from_memory(all_features, 
+                                                                  annot_beats=annot_beats, 
+                                                                  framesync=framesync)
             # And run the algorithms
             est_times, est_labels = run_algorithms_from_memory(all_features, in_path, 
                                                                boundaries_id,