audio speech recognition and recording at the same time with tee

[Nicolas Dufresne]

Le lun. 4 nov. 2019 15 h 40, kyle111 <purehavoc77 at gmail.com> a écrit :

> Hello all,
>
> I am using gstreamer plugin for kaldi
> <https://github.com/alumae/gst-kaldi-nnet2-online>   (speech recognition
> tool). This is the  pipeline
> <
> https://github.com/alumae/gst-kaldi-nnet2-online/blob/master/demo/gui-demo.py>
>
> for kaldi plugi to do speech-to-text ( microphone input -> text
> transcript):
>
>     self.pulsesrc.link(self.audioconvert)
>     self.audioconvert.link(self.audioresample)
>     self.audioresample.link(self.asr)
>     self.asr.link(self.fakesink)
>
>
> Now, I'd like to record the audio from microphone into .ogg file at the
> same
> time. I made the following changes to the pipeline codes:
>
>     # get audio from mic device
>     self.pulsesrc.link(self.audioconvert1)
>     self.audioconvert1.link(self.tee)
>
>     # save to ogg
>     self.audio_queue.link(self.vorbisenc)
>     self.vorbisenc.link(self.oggmux)
>     self.oggmux.link(self.filesink)
>
>     # send to asr
>     self.asr_queue.link(self.audioconvert)
>     self.audioconvert.link(self.audioresample)
>     self.audioresample.link(self.asr)
>     self.asr.link(self.fakesink)
>
>     # tied up tee and queues
>     self.tee.link(self.audio_queue)
>     self.tee.link(self.asr_queue)
>
> However, the pipeline doesn't work, There is no gst errors but audio is not
> saved and text doesn't come out.
> I suspect something is blocking the pipeline and I couldn't figure it out.
> Would like to hear suggestions !
>

Check your return values. Something must be failing. The error is returned
by GstPad.link() call directly, and may not appear on the bus.


>
>
> --
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