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<p>note that I had the same issue compiling qjackctl from github</p>
<p>you have to install <b>libasound2-dev</b></p>
<p><code>./configure</code> should report this line:</p>
<pre> ALSA MIDI Sequencer support . . . . . . . . . . .: <b>yes</b>
Phil
</pre>
<div class="moz-cite-prefix">On 18/05/2020 13:24, Holger Marzen
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:alpine.DEB.2.20.2005181323230.26989@bubu.intern.marzen.de">
<pre class="moz-quote-pre" wrap="">On Mon, 18 May 2020, Andrew Brown wrote:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">hi every one,
I have been trying to get a midi drum machine connected to Hydrogen. The
first time was not a problem through Qjackctl. second time they would not
connect.
I tried some tutorials on youtube but now I have lost the alsa tab in the
Connect screen. I thing a2jmidid -e was the command that stuffed it.
I have tried uninstalling and purgering Jack but after reinstalling it is
the same.
Can some one help or at least point me in the right direction?
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
There is ALSA MIDI and JACK MIDI. Two worlds. You can bridge them with
a2jmididi and then connect the ports as appropriate.
a2j_control start
a2j_control stop
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</pre>
</blockquote>
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