Hello Adam,
Sorry for the delay in the reply. I am travelling and have irregular access
to the mails. I will get back to you and update you on the same as soon as
I am back in office.
Sorry for the inconvenience caused to you.
Have a great Day
Krishna Kumar (KK)
Sr Manager Business Development
Enventure Technologies Inc.,
-----Original Message-----
From:
mp3encoder-bounces@...
[mailto:
mp3encoder-bounces@...] On Behalf Of Adam Heinz
Sent: Monday, June 09, 2008 11:58 PM
To:
mp3encoder@...
Subject: [mp3encoder] lame --decode failing to abort on garbage files
My QA guy and I have been running total garbage files through our
application (.jpg and .exe files renamed to .mp3) and have been
getting inconsistent error reporting from lame.
Converting 04_Bogus.mp3 to WAV...
nice lame --decode source/04_Bogus.mp3 converting/track03.wav 2>&1
Error reading headers in mp3 input file source/04_Bogus.mp3.
Failed to convert 04_Bogus.mp3 to WAV.
In this first case, the garbage file is detected and lame exits
with a non-zero status.
Converting DivXInstaller.mp3 to WAV...
nice lame --decode source/DivXInstaller.mp3 converting/track02.wav 2>&1
Input file is freeformat.
(44.1 kHz, 2 channels, MPEG-1 Layer III)
output: converting/track02.wav
(16 bit, Microsoft WAVE)
skipping initial 1105 samples (encoder+decoder delay)
Error: sample frequency has changed in MP3 file - not supported
mpglib: wordpointer trashed. size=2013 (1792) bytes=53902
Error: sample frequency has changed in MP3 file - not supported
Error: sample frequency has changed in MP3 file - not supported
In this second case, the garbage file is mistakenly detected as
a "freeformat" mp3 and manages to stumble its way through the
process. Despite logging errors, lame returns a success!
Does anyone know if it is possible to
1) abort decoding when an error is detected? or
2) disallow freeformat encoding
I recognize that it wouldn't be terribly difficult to parse the
log looking for errors, but it seems more logical to me to prefer
that lame return the expected status.
Adam
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