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I can play mp3 files without any problem, also in my application playing PCM data from appsrc is working well, however I have a problem playing a WAV file using the gstreamer command:

$ gst-launch-0.10 filesrc location=sound.wav ! wavparse ! audioconvert ! alsasink

Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
ERROR: from element /GstPipeline:pipeline0/GstWavParse:wavparse0: Internal data flow error.
Additional debug info:
gstwavparse.c(2046): gst_wavparse_loop (): /GstPipeline:pipeline0/GstWavParse:wavparse0:
streaming task paused, reason not-linked (-1)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...
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Have you already installed gstreamer goog plugins?

apt-get install gstreamer0.10-plugins-good

Then try to convert WAV:

gst-launch-0.10 filesrc location=path_of_input_wav_file ! wavparse ! filesink location=path_of_output_file
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  • Yes. I have it already installed. Your command is working fine (I got some result file). So it looks like wavparse plugins is OK. audioconvert plugin is also fine as command filesrc location=Sound.mp3 ! mad ! audioconvert ! alsasink is playing fine.
    – kappa
    May 21, 2012 at 4:44

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