gst-launch hangs

[Carlos Rafael Giani]

I am not sure what is going on with your script, but I strongly 
recommend you to switch to GStreamer 1.0.
Since support for 0.10 was stopped months ago, you are unlikely to get 
feedback.

regards

On 2014-02-21 06:05, Alice Wonder wrote:
> Hello list,
>
> The root problem is a bad mp3. But I need to know how to get the
> GStreamer pipe to not hang when it gets one, as this is scripted.
>
> I only use gstreamer to decode the mp3 when lame --decode fails,
> sometimes a bad mp3 that lame can not decode actually can be decoded via
> GStreamer w/ fluendo plugin.
>
> Anyway here's the lame error so you know more of what the issue is:
>
> Error: number of channels has changed in MP3 file - not supported
> --
> It's an mp3 from a pre-recorded talk radio show, they record different
> parts ahead of time, I suspect they mixed mono and stereo in that mp3.
>
> I don't mind gst-launch failing to decode a broken mp3, I just want it
> to exit instead of hanging.
> --
>
> Here's the gstreamer pipe my script tries when lame fails:
>
> gst-launch filesrc location="${mp3}" ! flump3dec ! audioconvert !
> wavenc ! filesink location="${wav}"
>
> Here's the output I get from gst-launch:
>
> Setting pipeline to PAUSED ...
> Pipeline is PREROLLING ...
> Pipeline is PREROLLED ...
> Setting pipeline to PLAYING ...
> New clock: GstSystemClock
> Caught SIGSEGV accessing address 0x7fb338021000
> #0  0x00000031858ea9dd in ?? ()
> #1  0x0000000000000000 in ?? ()
> Spinning.  Please run 'gdb gst-launch 7632' to continue debugging,
> Ctrl-C to quit, or Ctrl-\ to dump core.
>
> -=-
>
> The problem is gst-launch doesn't exit. I need it to exit when this
> happens. How do I configure it to do that?
>
> ---
>
> Fedora 20 w/ gstreamer-0.10.36-6.fc20.x86_64 and mp3 decoder from
> fluendo-codecs-complete-bundle-18-3.x86_64
>
> Thanks for any tips.
>
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