JackAudio

jackaudio@lists.linuxaudio.org

602 discussions

by Andrew Brown

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? I am using Ubuntu Studio based on Ubuntu 16.04.6 LTS. I haven't upgraded due to all the unfinished projects I have going.

5 years, 8 months

[Jackaudio] Jack C++ midi structural considerations

by Stefan Schmelz

I made a Prototype that uses jack directly now. I decided on working with Jack directly because I want to implement some features that would require rewriting parts of rtmidi or portaudio for my purposes. I want to enumerate ports and get raw ports, so I can have control over properties. I took a look into the rtmidi source, looking for the part how they get all the ports that jack knows about. I did nothing that would help me, so how could I do something about this?

5 years, 8 months

[Jackaudio] Jack C++ midi structural considerations

by Stefan Schmelz

I have tried the c++ version before but it was not working for me, I quite like the python version tho. Sadly the best performing Python code I got was too slow for me, so I opted for C++. My application is not really a real-time one, but it would be bad if you would see larger delays. Also I want to have a c++ project to practice ci and testing. Thanks for your reminder tho.

5 years, 8 months

[Jackaudio] Jack & systemd on RPI4

by pfl

Hello, I want jack to start at bood via systemd on a RPI4 but when I run qjackctl it does not see jack running (while it is) if I start jack from the command line , qjackctl sees jack running I tried sudo qjackctl, it crashed the RPI4 any help appreciated Phil [Unit] Description=Jack audio server After=sound.target [Install] WantedBy=multi-user.target [Service] Type=simple PrivateTmp=true Environment="JACK_NO_AUDIO_RESERVATION=1" #ExecStart=/usr/bin/jackd -T -ndefault -dalsa -dhw:0 -r48000 -p1024 -n2 ExecStart=/usr/bin/jackd -R -P20 -dalsa -dhw:0,1 -r49000 -p1024 -n2 -- L'absence de virus dans ce courrier électronique a été vérifiée par le logiciel antivirus Avast. https://www.avast.com/antivirus

5 years, 8 months

[Jackaudio] Routing audio between Audio applications in windows

by dinesh mareedu

Hi All, In my project, I want to route the audio between audio applications(Windows 10). I am not able initiate the audio routing unless my audio apps are using ASIO audio drivers. Can you help me with this? I want to route audio through applications which uses non-asio drivers. Please advise if any alternatives are available. Thanks, M.Dinesh

5 years, 8 months

[Jackaudio] Querying input ports for 1 input channel card fails (ALSA/USB)

by Kjetil Matheussen

Hi, A user reports that Radium prints an error when it tries to connect input ports. The user has a USB soundcard with just one input channel. Here's the code: https://github.com/kmatheussen/radium/blob/master/audio/KillJackd.cpp#L128 (If code has changed, search for "// Connect input ports") When running the program, the user gets this error message: "KillJackd.cpp: Could not connect input port 2" If there is only one input port, this message should not be printed, because portname for port 2 should be NULL. I don't see anything wrong with the code... Could it be a bug in Jack? Full discussion: https://users.notam02.no/~kjetism/radium/forum/viewtopic.php?f=7&t=265

5 years, 8 months

[Jackaudio] (no subject)

by Eng. Peter

Hi jack team .. hope you are well and safe .. i'm so happy to have an app like jack and i've done the setup and activation and everything is running smoothly ..i'm running pro tools 12 and the other DAW is Mixbus 6 on windows 10 64 bit .. but i have a major problem and i can't fix it .. so please help me in this problem .. i'm a sound engineer and i've my own system in my home studio .. i want to route pro tools channels into another DAW for mixing .. but all i have in pro tools for jack as a audio interface is for mono outputs (2 stereo outputs) so now i can route only 4 channels from pro tools .. and i have almost 60 channel in pro tools .. so how i increase the outputs of jack in order to appear in pro tools i/o setup page .. so i can route as many channels as i can from pro tools to any other DAW .. please help me in this issue because i put my work on hold till i fix this or know how to make jack with many outputs .. thanks and i really appreciate your help .. stay safe

5 years, 8 months

[Jackaudio] Version for Mac

by Tim O'Brien

Hi, I am wondering if anyone is upgrading Jack Audio for Mac or tried using the driver on a 64 bit mac. the JackPilot binary was created in 2011 so I am thinking JackRouter might need to be updated. Can anyone validate this and if so is there a project tro update JackRouter driver? Thanks Tim

5 years, 9 months

[Jackaudio] need help/freelancer

by Ajay Malik

Hi, Looking for help to create a cross platform application that will listen from speaker audio. Need help. Open to any level of help... - guide me - provide me a simple utility - engage for long term Thanks, Regards Ajay

5 years, 9 months

[Jackaudio] capture audio input on Mac

by Tim O'Brien

Hello, Is it possible to use Jack Audio to capture audio from the speaker on Mac. I want to save the audio in a file. So long as it works on Catalina or above is fine. thanks in advance Tim PS I believe this means capturing in the I/O Kit or AUHAL

5 years, 9 months

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