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Topic: CRC mismatch ignored on decoding FLAC (Read 2927 times) previous topic - next topic
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CRC mismatch ignored on decoding FLAC

I have a .flac-file which gives FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH during decoding or testing.
Code: [Select]
05 Boss Lady.flac: testing, 95% complete05 Boss Lady.flac: *** Got error code 2:
FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH


Question #1. When I try to verify the file with two different versions of fb2K - 0.9.5.2 and 0.9.5.6 - I get different results, although both versions have the same version of File Integrity Verifier - 1.0.3. Why is that?

0.9.5.2:
Code: [Select]
Item: "D:\1\05 Boss Lady.flac"
No problems found.


All items decoded successfully.


0.9.5.6:
Code: [Select]
Item: "D:\1\05 Boss Lady.flac"
Error: MD5 mismatch


1 item could not be decoded.

List of undecodable items:
"D:\1\05 Boss Lady.flac"


Question #2. When I try to decode the file, both versions of fb2K do it without any warnings about any MD5 mismatch. Is it normal? I think, if the file is corrupted somehow we must know about it!
 

CRC mismatch ignored on decoding FLAC

Reply #1 –
Quote from: No Fun on
I get different results, although both versions have the same version of File Integrity Verifier - 1.0.3. Why is that?

As with any audio format, file integrity verifier uses installed input components for decoding. Detection of corrupt FLAC files in foo_input_std has been improved with 0.9.5.4. The changelog mentions this from a security viewpoint, because broken FLAC files can crash applications.