<html><body><div style="color:; background-color:; font-family:MS PGothic, sans-serif;font-size:12pt"><div><span>Hi</span></div><div><span><br></span></div><div><span>What do you mean `jack playing something?`</span></div><div><span><br></span></div><div><span>I just played some youtube video on Chrome.</span></div><div><span><br></span></div><div><span>What else should I do?</span></div><div><span><br></span></div><div><span>Thanks</span></div><div><br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; margin-top: 5px; padding-left: 5px;"> <div style="font-family: MS PGothic, sans-serif; font-size: 12pt;"> <div style="font-family: MS PGothic, sans-serif; font-size: 12pt;"> <div dir="ltr"> <font size="2" face="Arial"> ----- Original Message -----<br> <b><span style="font-weight:bold;">From:</span></b> Kjetil Matheussen <k.s.matheussen@gmail.com><br> <b><span style="font-weight: bold;">To:</span></b> garden_9652@yahoo.co.jp <br><b><span style="font-weight: bold;">Cc:</span></b> "k.s.matheussen@notam02.no" <k.s.matheussen@notam02.no>; "jack-devel@lists.jackaudio.org" <jack-devel@lists.jackaudio.org><br> <b><span style="font-weight: bold;">Date:</span></b> 2019/5/14, Tue 18:03<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [Jack-Devel] How to capture audio from speaker?<br> </font> </div> <br>On Tue, May 14, 2019 at 11:01 AM <<a ymailto="mailto:garden_9652@yahoo.co.jp" href="mailto:garden_9652@yahoo.co.jp">garden_9652@yahoo.co.jp</a>> wrote:<br>><br>> Hi<br>><br>> I have install jack_capture and how can I run it?<br>><br>> $ jack_capture<br>> ./jack_capture<br>> Cannot connect to server socket err = No such file or directory<br>> Cannot connect to server request channel<br>> jack server is not running or cannot be started<br>> JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock<br>> JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock<br>> >>> jack_client_open() failed, status = 0x11<br>><br>><br>> So I start jackd :<br>><br>> $ jackd -d coreaudio<br>><br>> then start jack_capture<br>><br>> $ jack_capture<br>><br>> then it starts to record, but the audio file I got jack_capture_01.wav is just blank<br>><br>> Anything wrong?<br>><br><br>Is jack playing anything? (jack_capture only records audio played by jack)<br><br><br> </div> </div> </blockquote></div> </div></body></html>