third_party/opus/convert_rtcd_assembler.py

   1 #!/usr/bin/env python
   2 # Copyright 2014 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 # Script for converting celt_pitch_xcorr_arm.s -> celt_pitch_xcorr_arm.S
   7 # using the arm2gnu.pl script.
   8
   9 import os
  10 import sys
  11
  12
  13 USAGE = ('Usage:\n'
  14          './convert_rtcd_assembler.py arm2gnu_script input_file output_file')
  15
  16
  17 def main(argv):
  18   if len(argv) != 3:
  19     print >> sys.stderr, ('Error: You must pass the following arguments:\n'
  20                           ' * arm2gnu_script_path\n'
  21                           ' * input_file\n'
  22                           ' * output_file')
  23     print USAGE
  24     return 1
  25
  26   arm2gnu_script = os.path.abspath(argv[0])
  27   if not os.path.exists(arm2gnu_script):
  28     print >> sys.stderr, ('Error: Cannot find arm2gnu.pl script at: %s.' %
  29                           arm2gnu_script)
  30     return 2
  31
  32   input_file = os.path.abspath(argv[1])
  33   if not os.path.exists(input_file):
  34     print >> sys.stderr, 'Error: Cannot find input file at: %s.' % input_file
  35     return 3
  36
  37   output_file = argv[2]
  38
  39   # Ensure the output file's directory path exists.
  40   output_dir = os.path.dirname(output_file)
  41   if not os.path.exists(output_dir):
  42     os.makedirs(output_dir)
  43
  44   cmd = ('perl %s %s | '
  45          'sed "s/OPUS_ARM_MAY_HAVE_[A-Z]*/1/g" | '
  46          'sed "/.include/d" '
  47          '> %s') % (arm2gnu_script, input_file, output_file)
  48   print cmd
  49   return os.system(cmd)
  50
  51 if __name__ == '__main__':
  52   sys.exit(main(sys.argv[1:]))