python/scripts/aubiocut: move usage string inside parse_args()

[aubio.git] / python / scripts / aubiocut

diff --git a/python/scripts/aubiocut b/python/scripts/aubiocut
index eec68da..e348665 100755 (executable)
--- a/python/scripts/aubiocut
+++ b/python/scripts/aubiocut
@@ -5,13 +5,11 @@
 """
 
 import sys
-#from aubio.task import *
-
-usage = "usage: %s [options] -i soundfile" % sys.argv[0]
-usage += "\n help: %s -h" % sys.argv[0]
 
 def parse_args():
     from optparse import OptionParser
+    usage = "usage: %s [options] -i soundfile" % sys.argv[0]
+    usage += "\n help: %s -h" % sys.argv[0]
     parser = OptionParser(usage=usage)
     parser.add_option("-i", "--input", action = "store", dest = "source_file",
             help="input sound file to analyse", metavar = "<source_file>")
@@ -117,6 +115,10 @@ def parse_args():
             metavar = "<samples>",
             action = "store", dest = "cut_until_nsamples", default = None,
             help="how many extra samples should be added at the end of each slice")
+    parser.add_option("--cut-every-nslices", type = int,
+            metavar = "<samples>",
+            action = "store", dest = "cut_every_nslices", default = None,
+            help="how many slices should be groupped together at each cut")
     parser.add_option("--cut-until-nslices", type = int,
             metavar = "<slices>",
             action = "store", dest = "cut_until_nslices", default = None,
@@ -187,6 +189,9 @@ if __name__ == '__main__':
         # generate output files
         from aubio.slicing import slice_source_at_stamps
         timestamps_end = None
+        if options.cut_every_nslices:
+            timestamps = timestamps[::options.cut_every_nslices]
+            nstamps = len(timestamps)
         if options.cut_until_nslices and options.cut_until_nsamples:
             print ("warning: using cut_until_nslices, but cut_until_nsamples is set")
         if options.cut_until_nsamples: