Better comparison for frame analyzer

webrtc/tools/barcode_tools/barcode_decoder.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import optparse
@@ skipping 114 matching lines @@
   and the helper .txt files are removed after they have been used.
   """
   file_prefix = os.path.join(input_directory, 'frame_')
   stats_file = open(stats_file_name, 'w')
 
   print 'Generating stats file: %s' % stats_file_name
   for i in range(1, _count_frames_in(input_directory=input_directory) + 1):
     frame_number = helper_functions.zero_pad(i)
     barcode_file_name = file_prefix + frame_number + '.txt'
     png_frame = file_prefix + frame_number + '.png'
-    entry_frame_number = helper_functions.zero_pad(i-1)
+    entry_frame_number = helper_functions.zero_pad(i)

[kjellander_webrtc, 2017/02/06 12:30:38]

So this means we start numbering frames from 1 instead of zero? Please make it
very clear in the CL description that this changes.

[mandermo, 2017/02/07 14:25:27]

jansson@ is working on this change in another CL, I just wanted to be a bit more
compatible with that change before it is landed.

I have removed it from here now, since it can wait for jansson@s CL.

     entry = 'frame_' + entry_frame_number + ' '
 
     if os.path.isfile(barcode_file_name):
       barcode = _read_barcode_from_text_file(barcode_file_name)
       os.remove(barcode_file_name)
 
       if _check_barcode(barcode):
         entry += (helper_functions.zero_pad(int(barcode[0:11])) + '\n')
       else:
         entry += 'Barcode error\n'  # Barcode is wrongly detected.
@@ skipping 136 matching lines @@
     return -2
 
   # Generate statistics file.
   _generate_stats_file(options.stats_file,
                        input_directory=options.png_working_dir)
   print 'Completed barcode decoding.'
   return 0
 
 if __name__ == '__main__':
   sys.exit(_main())