Add XRNI reencoder script

rnsutils/xrnireencode.py

@@ -0,0 +1,104 @@
+# xrnireencode. reencode samples in XRNI files
+# Copyright (C) 2016  Olivier Jolly
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from __future__ import print_function
+
+import argparse
+import logging
+import sys
+
+import os
+
+from rnsutils.instrument import RenoiseInstrument
+from rnsutils.utils import ENCODING_FLAC, ENCODING_OGG, encode_audio_file
+
+__date__ = '2016-01-31'
+__updated__ = '2016-01-31'
+__author__ = 'olivier@pcedev.com'
+
+
+def main(argv=None):
+    program_name = os.path.basename(sys.argv[0])
+    program_version = "v0.6"
+    program_build_date = "%s" % __updated__
+
+    program_version_string = '%%prog %s (%s)' % (program_version, program_build_date)
+    program_longdesc = '''Convert SFZ file into renoise instrument'''
+    program_license = "GPL v3+ 2016 Olivier Jolly"
+
+    if argv is None:
+        argv = sys.argv[1:]
+
+    try:
+        parser = argparse.ArgumentParser(epilog=program_longdesc,
+                                         description=program_license)
+        parser.add_argument("-d", "--debug", dest="debug", action="store_true",
+                            default=False,
+                            help="debug parsing [default: %(default)s]")
+        parser.add_argument("-e", "--encode", dest="encoding", choices=[ENCODING_FLAC, ENCODING_OGG],
+                            default=ENCODING_FLAC, help="encode samples into given format [default: %(default)s]")
+        parser.add_argument("-q", "--quiet", dest="quiet", action="store_true", default=False,
+                            help="quiet operation [default: %(default)s]")
+        parser.add_argument("-o", "--ouput-dir", dest="output_dir",
+                            help="output directory [default: current directory]")
+
+        parser.add_argument("xrni_filename", help="input file in XRNI format", nargs="+")
+
+        # process options
+        opts = parser.parse_args(argv)
+
+    except Exception as e:
+        indent = len(program_name) * " "
+        sys.stderr.write(program_name + ": " + repr(e) + "\n")
+        sys.stderr.write(indent + "  for help use --help")
+        return 2
+
+    if opts.debug:
+        logging.root.setLevel(logging.DEBUG)
+    else:
+        logging.root.setLevel(logging.INFO)
+
+    for xrni_filename in opts.xrni_filename:
+
+        if not opts.quiet:
+            print("Reencoding samples from '{}'".format(xrni_filename))
+
+        # noinspection PyBroadException
+        try:
+            renoise_instrument = RenoiseInstrument(xrni_filename)
+
+            # reencode all samples
+            renoise_instrument.sample_data = [encode_audio_file(sample, opts.encoding) for sample in
+                                              renoise_instrument.sample_data]
+
+            # save the output file
+            filename_without_extension, extension = os.path.splitext(os.path.basename(xrni_filename))
+            output_filename = os.path.join(opts.output_dir or os.path.dirname(xrni_filename),
+                                           '{}.{}.xrni'.format(filename_without_extension, opts.encoding))
+            renoise_instrument.save(output_filename)
+
+            if not opts.quiet:
+                print("Saved {}".format(output_filename))
+        except Exception:
+            if not opts.quiet:
+                print("FAILED")
+            logging.exception("Failed to reencode instrument")
+
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())

setup.py

@@ -118,6 +118,7 @@ setup(
         'console_scripts': [
             'sf2toxrni=rnsutils.sf2toxrni:main',
             'sfztoxrni=rnsutils.sfztoxrni:main',
+            'xrnireencode=rnsutils.xrnireencode:main',
         ],
     },