GStreamer 1.2 "pitch" plugin

[Ceppo93]

Hello,

I've a problem using the "pitch" plugin, and the pipeline init fail, the
problem came with gstreamer 1.2.

With this simple pipeline: "gst-launch-1.0 -v audiotestsrc ! audioconvert !
pitch ! audioconvert ! alsasink" the output is:

#####################################
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
/GstPipeline:pipeline0/GstAudioTestSrc:audiotestsrc0.GstPad:src: caps =
audio/x-raw, layout=(string)interleaved, rate=(int)44100,
format=(string)F32LE, channels=(int)1
/GstPipeline:pipeline0/GstAudioConvert:audioconvert0.GstPad:src: caps =
audio/x-raw, layout=(string)interleaved, rate=(int)44100,
format=(string)F32LE, channels=(int)1
/GstPipeline:pipeline0/GstAudioConvert:audioconvert0.GstPad:sink: caps =
audio/x-raw, layout=(string)interleaved, rate=(int)44100,
format=(string)F32LE, channels=(int)1
ERROR: from element /GstPipeline:pipeline0/GstAudioTestSrc:audiotestsrc0:
Internal data flow error.
Additional debug info:
gstbasesrc.c(2865): gst_base_src_loop ():
/GstPipeline:pipeline0/GstAudioTestSrc:audiotestsrc0:
streaming task paused, reason not-negotiated (-4)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
/GstPipeline:pipeline0/GstAudioConvert:audioconvert0.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstAudioConvert:audioconvert0.GstPad:sink: caps =
NULL
/GstPipeline:pipeline0/GstAudioTestSrc:audiotestsrc0.GstPad:src: caps = NULL
Freeing pipeline ...
#############################

I also tried with several other pipeline, but when I add the element of
"pitch" does not work anymore.



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