[Bug 680904] wavparse src can not link to audioconvert when using USB sound card

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=680904
  GStreamer | gstreamer (core) | 0.10.36

--- Comment #34 from soho123.2012 at gmail.com 2012-08-09 02:07:21 UTC ---
Hi Tim,


I do more test.

test I. 
I checkout  alsa kernel dirver(tag v2.6.34) from
http://git.alsa-project.org/?p=alsa-driver.git
and update sound part of kernel to my code base.
then do the pipeline test
gst-launch-0.10 filesrc location=/bin/audio_src_48k_le.wav ! wavparse !
audioconvert ! alsasink device="hw:0,0"

I can see skipping non-int format log from alsasink,it still get not-linked
error

test II.
I change to another platform. the platform has I2S audio device only, no usb
audio, I can see skipping non-int format log from alsasink.
But the platform can play normally, 

the difference between 2 platform is audio device, 
one in usb ,and the other is I2S , 
usb is fail, I2S works fine,
Currently, I must fix problem for usb platform. Since It seems does not have a
lot of time duration for this issue.

Do you have any idea for debugging?
the previous question about libc:
due to your libc not supporting printf extensions presumably 
===>Could you explain more detail? maybe I can re-config my libc to support
this request?
how about the example?

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