[alsa-devel] alsa duplex test application

[罗富冲]

Hi all,
    I want to write a sound card Duplex test Application(playing what we are
recording) refer to alsa-utils, and i got Segmentation fault.
    Accessoriesis my application for test,can anyone help me to find out
what is the problem, or show me a application which can work.
    Sorry for my poor english, and waiting for your reply.
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