Author: dmeyer
Date: Fri Dec 15 16:19:29 2006
New Revision: 2238
Modified:
trunk/metadata/src/disc/DiscID.py
Log:
oops
Modified: trunk/metadata/src/disc/DiscID.py
==============================================================================
--- trunk/metadata/src/disc/DiscID.py (original)
+++ trunk/metadata/src/disc/DiscID.py Fri Dec 15 16:19:29 2006
@@ -23,6 +23,37 @@
return ret
+def open(device=None, flags=None):
+ # Allow this function to be called with no arguments,
+ # specifying that we should call cdrom.open() with
+ # no arguments.
+ if device == None:
+ return cdrom.open()
+ elif flags == None:
+ return cdrom.open(device)
+ else:
+ return cdrom.open(device, flags)
+
+def disc_id(device):
+ (first, last) = cdrom.toc_header(device)
+
+ track_frames = []
+ checksum = 0
+
+ for i in range(first, last + 1):
+ (min, sec, frame) = cdrom.toc_entry(device, i)
+ checksum = checksum + cddb_sum(min*60 + sec)
+ track_frames.append(min*60*75 + sec*75 + frame)
+
+ (min, sec, frame) = cdrom.leadout(device)
+ track_frames.append(min*60*75 + sec*75 + frame)
+
+ total_time = (track_frames[-1] / 75) - (track_frames[0] / 75)
+
+ discid = ((checksum % 0xff) << 24 | total_time << 8 | last)
+
+ return [discid, last] + track_frames[:-1] + [ track_frames[-1] / 75 ]
+
if __name__ == '__main__':
dev_name = None
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