Fix audio_codec detection for lower-case "codec_id" (#108)

* Fix audio_codec detection for lower-case "codec_id"

* Houndfodder

Co-authored-by: plotski <plotski@example.org>

Author: plotski

pythonbits/bb.py

@@ -496,8 +496,10 @@ def _render_audio_codec(self):
 
         if audio_track['codec_id'].startswith('A_'):
             audio_track['codec_id'] = audio_track['codec_id'][2:]
-        audio_codecs = ('AC3', 'EAC3', 'DTS', 'FLAC', 'AAC', 'MP3', 'TRUEHD',
-                        'PCM', '2000')
+        # Could be "ac-3"
+        audio_track['codec_id'] = audio_track['codec_id'].upper()
+        audio_codecs = ('AC3', 'AC-3', 'EAC3', 'DTS', 'FLAC', 'AAC', 'MP3',
+                        'TRUEHD', 'PCM', '2000')
         for c in audio_codecs:
             if audio_track['codec_id'].startswith(c):
                 c = c.replace('EAC3', 'AC-3') \