DirectSoundSink gstreamer plugin and USB headset BUG?

[tanmay.ambre]

On Windows XP SP3 machine. Using USB headsets. If the device is unplugged
code
gets stuck at 
gstdirectsoundsink.c@
gst_directsound_sink_write @
goto calculate_freesize;

The program goes in an infinite loop.

Any attempt to shutdown the pipeline using
gst_element_set_state(pipe,GST_STATE_NULL) is stuck.

How to reproduce:
Prerequisite: Windows XP service pack 3, USB sound output device as primary
device.
1. Create a pipeline playing audio where sink element is directsoundsink.
2. Play the pipeline.
3. Unplug the USB

The pipeline is stuck now.

Anyone encountered this problem and has a solution? It works fine on Windows
7 where the other available output device is automatically used.

I tried to determine at that point in code if the device is still valid but
couldn't find the proper function to do this.

Thanks 
Tanmay Ambre

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