[Gambas-user] Problem with MediaPipeline

[vuott at tutanota.com]

« is causing an error in line      enc["target"] = bitrate »
Try with this line:

    Private Enum Quality = 0, bitrate




14 apr 2023, 22:00 da claus.dietrich at freenet.de:

>
> Hi
>
>
> I am trying to record audio from the pulse monitor device. The      GStreamer pipe
>
>
> $ gst-launch-1.0 -v pulsesrc      device="alsa_output.pci-0000_00_1b.0.analog-stereo.monitor" !      audio/x-raw,rate=44100,channels=2 ! lamemp3enc quality=0      target=bitrate bitrate=192 cbr=true ! id3v2mux ! filesink      location="/home/$USER/output.mp3"
>
>
> works, but I failed to setup an equivalent as Gambas      MediaPipeline. The following code is causing an error in line      enc["target"] = bitrate and when I uncomment the line I get an      error "Cannot set status" at pl.play.
>
>
>
>
> ' Gambas class file
> Private pl As MediaPipeline
> Private src As MediaControl
> Private fmt As MediaControl
> Private enc As MediaControl
> Private met As MediaControl
> Private snk As MediaControl
>
> Public Sub Form_Open()
>
>   pl = New MediaPipeline
>   src = New MediaControl(pl, "pulsesrc")
>   src["device"] =      "alsa_output.pci-0000_00_1b.0.analog-stereo.monitor"
>   fmt = New MediaControl(pl, "audio/x-raw,rate=44100,channels=2")
>   enc = New MediaControl(pl, "lamemp3enc")
>   enc["quality"] = 0
>   'enc["target"] = bitrate
>   enc["bitrate"] = 192
>   enc["cbr"] = True
>   met = New MediaControl(pl, "id3v2mux")
>   snk = New MediaControl(pl, "filesink")
>   snk["location"] = "/home/$USER/output.mp3"
>  
>   src.LinkTo(fmt)
>   fmt.LinkTo(enc)
>   enc.LinkTo(met)
>   met.LinkTo(snk)
>  
> End
>
> Public Sub Button1_Click()
>
>   pl.play
>
> End
>
>
>
>
> Can someone help?
>
>
> Best regards
>
>
> Claus
>
>

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