From owner-freebsd-multimedia@freebsd.org Wed Jul 26 16:18:31 2017 Return-Path: Delivered-To: freebsd-multimedia@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 121C8D98743 for ; Wed, 26 Jul 2017 16:18:31 +0000 (UTC) (envelope-from marcelbonnet@gmail.com) Received: from mail-oi0-x22b.google.com (mail-oi0-x22b.google.com [IPv6:2607:f8b0:4003:c06::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C771D68B6A for ; Wed, 26 Jul 2017 16:18:30 +0000 (UTC) (envelope-from marcelbonnet@gmail.com) Received: by mail-oi0-x22b.google.com with SMTP id x3so80240306oia.1 for ; Wed, 26 Jul 2017 09:18:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=1NIAsavXpGs8SApFxSQNmg7AvjOdM0Ydo+tgtiDy+kI=; b=uGtIhlx5e2H4/n18SmgrngIOnzIt3P8qI89sCmdJjKKjuzAX7TzQD5UM7eC6wxuQ+r zsfZLJkFpNBwI1bL4M7SFBrzOFYLhsuboGTWNoN0W0TNZplENeopbp3FO+6cgoa1I8kr bQEGMsaZ3qAErw3F8DJYaj02BOiAot4gCbwiEo9limaH7J/dEg0XNoLtmM9ZrrwGthuC 3qYNGAVSgYUj15fFzW07Kjey5qxGXWvBlp0qOJVMiQbNjXQvicQS/cN15cmkn7lboc2E xQJdJyMslNuMnC4XMjnlbdqoNzk8tTHUlxRhG6QlWbu/UjYZIjJSJHU8jBHlWJQh/fyn sMBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=1NIAsavXpGs8SApFxSQNmg7AvjOdM0Ydo+tgtiDy+kI=; b=Xs1peNyyWW0T65d+iq1mmxGqGH1ON3RQsAmS6Xi1yP48GOrRsD1tGBPycDvKqhAVO4 ORaQcw3jwsBDIwTPNqunWXlxTYSTCV5ZISrvZ7rDxZ73qAjiK2OWGpgl77cSXNUYYkwD UwqxIQVw/qAwLh7SIc4SNWqgW7wkMzlwzPuvmWe4EGyn57gmQ6kIgiFoCc7C1XPsrKey nDTVKldCY1lsJfqcimCMNKmfEMLNZuIuEyoyv3vYjR+rFBdgb40lz0iiK6LNSZBir1d3 hsuXkGHAQZNMOkwdTI6NL9pdi+t55RJq3Jur21m0Dq9bctvghRPfyVzIe/2ycE4iS07/ P+/g== X-Gm-Message-State: AIVw113Sxzdhq9BPBewBveMhlniJxQ8WENlXN7DgahsRrGj3PCqCu+5+ uFoUWbOh9A+oiUmZClr7GvwUi9PdGsu6 X-Received: by 10.202.166.142 with SMTP id t14mr1291585oij.38.1501085909995; Wed, 26 Jul 2017 09:18:29 -0700 (PDT) MIME-Version: 1.0 Received: by 10.74.134.3 with HTTP; Wed, 26 Jul 2017 09:18:29 -0700 (PDT) In-Reply-To: References: From: Marcel Bonnet Date: Wed, 26 Jul 2017 13:18:29 -0300 Message-ID: Subject: Re: snd_uaudio monitor recording To: Hans Petter Selasky Cc: FreeBSD multimedia Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Jul 2017 16:18:31 -0000 On 25 July 2017 at 14:18, Hans Petter Selasky wrote: > > On 07/25/17 17:00, Marcel Bonnet wrote: >> >> Hi. >> >> I'd like to record to a file whatever the sound card is actually playing, >> essentially when I am not using jackd server. >> I don't know if I just did not figure how to do it, or if depends on a new >> driver functionality ? >> Thanks in advance, >> > > You'd need to use virtual_oss to do that. Thanks. But, I didn't understand how to use it. Can you help me, please? I tried an example from the man page (I changed the sample rate, because my USB Fast Track Pro is set to 44100 Hz): [@machine tmp]$ virtual_oss -C 2 -c 2 -r 44100 -b 16 -s 1024 -f /dev/dsp3.0 -w dsp.wav -d dsp hw.snd.basename_clone: 1 sysctl: hw.snd.basename_clone=0: Operation not permitted virtual_oss: Could not create CUSE DSP device So, I tried with sudo: [@machine tmp]$ sudo virtual_oss -C 2 -c 2 -r 44100 -b 16 -s 1024 -f /dev/dsp3.0 -w dsp.wav -d dsp hw.snd.basename_clone: 1 -> 0 virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy virtual_oss: Could not open DSP device '/dev/dsp3.0': Device busy I never know why I have so much /dev/dsp3.x units. When using jack server, I always attach to the first one (3.0) and it is ok. I tried the other 3.x units, with no success. Thanks in advance. My environment: [@machine tmp]$ ls /dev/dsp* ; cat /dev/sndstat ; sysctl hw.snd.default_unit /dev/dsp0.1 /dev/dsp1.1 /dev/dsp2.1 /dev/dsp3.0 /dev/dsp3.1 /dev/dsp3.2 /dev/dsp3.3 FreeBSD Audio Driver (64bit 2009061500/amd64) Installed devices: pcm0: on hdaa0 (1p:2v/1r:1v) pcm1: on hdaa0 (1p:1v/1r:1v) pcm2: on hdaa1 (1p:1v/0r:0v) pcm3: at ? kld snd_uaudio (1p:2v/1r:1v) default No devices installed from userspace. hw.snd.default_unit: 3 [@machine tmp]$ sysctl dev.pcm.3 dev.pcm.3.feedback_rate: 0 dev.pcm.3.bitperfect: 0 dev.pcm.3.buffersize: 0 dev.pcm.3.rec.vchanformat: s16le:2.0 dev.pcm.3.rec.vchanrate: 44100 dev.pcm.3.rec.vchanmode: fixed dev.pcm.3.rec.vchans: 1 dev.pcm.3.play.vchanformat: s16le:2.0 dev.pcm.3.play.vchanrate: 44100 dev.pcm.3.play.vchanmode: fixed dev.pcm.3.play.vchans: 2 dev.pcm.3.hwvol_mixer: vol dev.pcm.3.hwvol_step: 5 dev.pcm.3.%parent: uaudio0 dev.pcm.3.%pnpinfo: dev.pcm.3.%location: dev.pcm.3.%driver: pcm dev.pcm.3.%desc: USB audio > > --HPS -- Marcel Bonnet github.com/marcelbonnet/