Is it reproducible if you just load each of those last few in turn? If
so it's probably a bug in the mp3 decoder. If not... then it's
something much worse and some kind of interesting memory corruption
has damaged some of the internal state of the mp3 library. I use
interesting in a very loose sense here...
Adam
2008/4/29 Garth Dahlstrom <[EMAIL PROTECTED]>:
> I sort of know within a couple of songs... another backtrace below...
>
> Debug: Warning: MP3 with corrupt samplerate, defaulting to 44100
> Debug: file length 23104512 i
> Debug: BPM detection successful for "The Tragically Hip - New Orleans is
> Sinking (Killer Whale version).mp3"
> Debug: Warning: MP3 with corrupt samplerate, defaulting to 44100
>
> Debug: WaveSummary generation successful for "The Underdog Project -
> Tonight.mp3"
> Debug: Warning: MP3 with corrupt samplerate, defaulting to 44100
> Debug: WaveSummary generation successful for "The Verve - Urban Hymns - 01
> - Bitter Sweet Symphony.mp3"
> Debug: Warning: MP3 with corrupt samplerate, defaulting to 44100
> Debug: file length 0 i
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 1090541904 (LWP 15236)]
> 0x00000000004a8de3 in SoundSourceMp3::seek (this=0xdbe8d0, filepos=20480) at
> src/soundsourcemp3.cpp:221
> 221 discard(filepos-cur->pos);
> (gdb)
> (gdb) bt
> #0 0x00000000004a8de3 in SoundSourceMp3::seek (this=0xdbe8d0,
> filepos=20480) at src/soundsourcemp3.cpp:221
> #1 0x00000000004fb3ac in SoundSourceProxy::seek (this=0xdc4490, l=20480) at
> src/soundsourceproxy.cpp:89
> #2 0x00000000004c0f4a in ReaderExtractWave::getchunk (this=0x9f3fb0,
> rate=1) at src/readerextractwave.cpp:341
> #3 0x00000000004c32d0 in Reader::run (this=0x9f38b0) at src/reader.cpp:282
> #4 0x00002ba510a43a12 in ?? () from /usr/lib/libQtCore.so.4
> #5 0x00002ba5120023f7 in start_thread () from /lib/libpthread.so.0
> #6 0x00002ba512fe395d in clone () from /lib/libc.so.6
> #7 0x0000000000000000 in ?? ()
>
>
>
>
>
>
>
> On Tue, Apr 29, 2008 at 8:30 AM, Albert Santoni <[EMAIL PROTECTED]> wrote:
> >
> > On Tue, 2008-04-29 at 16:56 +0930, SteveOC wrote:
> > > >
> > > > Program received signal SIGFPE, Arithmetic exception.
> > > > [Switching to Thread 1108277584 (LWP 28210)]
> > > > 0x00000000004fbfb0 in SoundSourceProxy (this=0x3603240,
> pTrack=0x4b76fa0) at
> > > > src/soundsourceproxy.cpp:79
> > > > 79 pTrack->setDuration(length()/(2*getSrate()));
> > > > (gdb) bt
> > > > #0 0x00000000004fbfb0 in SoundSourceProxy (this=0x3603240,
> > > > pTrack=0x4b76fa0) at src/soundsourceproxy.cpp:79
> > > > #1 0x00000000004f5555 in WaveSummary::run (this=0xcfba10) at
> > > > src/wavesummary.cpp:99
> > > > #2 0x00002b1b170e4a12 in ?? () from /usr/lib/libQtCore.so.4
> > > > #3 0x00002b1b186a33f7 in start_thread () from /lib/libpthread.so.0
> > > > #4 0x00002b1b1968495d in clone () from /lib/libc.so.6
> > > > #5 0x0000000000000000 in ?? ()
> > > >
> > > >
> > > >
> >
> > > So if getSrate() ever returns 0 - you will always get a divide by zero
> > > error.
> > >
> > > replace soundsourceproxy.cpp line 79 with :
> > >
> > > if (getSrate()) { pTrack->setDuration(length()/(2*getSrate())); }
> > >
> > >
> > > Question is - why is getSrate() zero in this case (assuming that is
> > > what the floating point exception happens to be)
> >
> > The samplerate in the MP3 header might be corrupt for some reason or
> > another (assuming this was an MP3). Garth, any idea what track it was?
> > (and/or format?)
> >
> > Albert
> >
> >
> >
>
>
>
> --
>
> __
> --- == __/ t.O ==--
> http://stacktrace.org/
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