Audacity tries playback to wrong device while recording
Posted: Fri May 06, 2011 7:28 pm
Hello,
I am using Audacity 1.3.13 (FreeBSD ports: audacity-devel) under FreeBSD 8.2-stable. I have also tried Audacity 1.3.12 and Auacity 1.2.4b_9 (FreeBSD port: audacity), and all versions exhibit the same problem. FreeBSD version:
May setup is like this: I have an internal sound card, which is used for playback, and a usb device, which is used for recording, it looks like this:
pcm0 (shown as "/dev/dsp" in Audacity preferences, devices) is the internal sound card, used for playback
pcm1 (shown as "/dev/dsp1: Line" in Audacity preferences, devices) is the usb sound device, used for recording
First of all; Audacity and this setup works, I can record, and I can playback sound afterwards. There is just one small problem; during recording, there is no sound. Yes, Software Playthrough is enabled.
A bit of debugging shows this (done while Audacity was recording)
As you can see, Audacity tries to playback on pcm1 instead of pcm0. This doesn't look right to me. How can I fix it?
--
Torfinn
I am using Audacity 1.3.13 (FreeBSD ports: audacity-devel) under FreeBSD 8.2-stable. I have also tried Audacity 1.3.12 and Auacity 1.2.4b_9 (FreeBSD port: audacity), and all versions exhibit the same problem. FreeBSD version:
Code: Select all
[email protected]# uname -a
FreeBSD kg-quiet.kg4.no 8.2-STABLE FreeBSD 8.2-STABLE #0: Sun Apr 3 19:49:05 CEST 2011 [email protected]:/usr/obj/usr/src/sys/GENERIC amd64Code: Select all
[email protected]# cat /dev/sndstat
FreeBSD Audio Driver (newpcm: 64bit 2009061500/amd64)
Installed devices:
pcm0: <ATI IXP 400> at memory 0xfe029000 irq 17 kld snd_atiixp (1p:2v/1r:1v) default
pcm1: <USB audio> at ? kld snd_uaudio (1p:1v/1r:1v)
pcm1 (shown as "/dev/dsp1: Line" in Audacity preferences, devices) is the usb sound device, used for recording
First of all; Audacity and this setup works, I can record, and I can playback sound afterwards. There is just one small problem; during recording, there is no sound. Yes, Software Playthrough is enabled.
A bit of debugging shows this (done while Audacity was recording)
Code: Select all
[email protected]# sysctl hw.snd.verbose=2
hw.snd.verbose: 1 -> 2
[email protected]# cat /dev/sndstat
FreeBSD Audio Driver (newpcm: 64bit 2009061500/amd64)
Installed devices:
pcm0: <ATI IXP 400> at memory 0xfe029000 irq 17 kld snd_atiixp (1p:2v/1r:1v) default
snddev flags=0x2e2<AUTOVCHAN,BUSY,MPSAFE,REGISTERED,VPC>
[pcm0:play:dsp0.p0]: spd 48000, fmt 0x00200010, flags 0x00002100, 0x00000004
interrupts 1115, underruns 0, feed 1115, ready 0 [b:4096/2048/2|bs:4096/2048/2]
channel flags=0x2100<BUSY,HAS_VCHAN>
{userland} -> feeder_mixer(0x00200010) -> {hardware}
pcm0:play:dsp0.p0[pcm0:virtual:dsp0.vp0]: spd 44100/48000, fmt 0x00200010, flags 0x10000000, 0x00000029
interrupts 0, underruns 0, feed 0, ready 0 [b:0/0/0|bs:65536/2048/32]
channel flags=0x10000000<VIRTUAL>
{userland} -> feeder_root(0x00200010) -> feeder_volume(0x00200010) -> feeder_rate(0x00200010 q:1 44100 -> 48000) -> {hardware}
pcm0:play:dsp0.p0[pcm0:virtual:dsp0.vp1]: spd 44100/48000, fmt 0x00200010, flags 0x10000000, 0x00000029
interrupts 0, underruns 0, feed 0, ready 0 [b:0/0/0|bs:65536/2048/32]
channel flags=0x10000000<VIRTUAL>
{userland} -> feeder_root(0x00200010) -> feeder_volume(0x00200010) -> feeder_rate(0x00200010 q:1 44100 -> 48000) -> {hardware}
[pcm0:record:dsp0.r0]: spd 48000, fmt 0x00200010, flags 0x00002100, 0x00000005
interrupts 0, overruns 0, feed 0, hfree 4096, sfree 4096 [b:4096/2048/2|bs:4096/2048/2]
channel flags=0x2100<BUSY,HAS_VCHAN>
{hardware} -> feeder_root(0x00200010) -> feeder_mixer(0x00200010) -> {userland}
pcm0:record:dsp0.r0[pcm0:virtual:dsp0.vr0]: spd 44100/48000, fmt 0x00100010/0x00200010, flags 0x10000000, 0x00000069
interrupts 0, overruns 0, feed 0, hfree 0, sfree 32768 [b:0/0/0|bs:32768/1024/32]
channel flags=0x10000000<VIRTUAL>
{hardware} -> feeder_root(0x00200010) -> feeder_matrix(2.0 -> 1.0) -> feeder_volume(0x00100010) -> feeder_rate(0x00100010 q:1 48000 -> 44100) -> {userland}
pcm1: <USB audio> at ? kld snd_uaudio (1p:1v/1r:1v)
snddev flags=0x2e6<AUTOVCHAN,SOFTPCMVOL,BUSY,MPSAFE,REGISTERED,VPC>
[pcm1:play:dsp1.p0]: spd 48000, fmt 0x00200010, flags 0x00002108, 0x00000004
interrupts 910, underruns 0, feed 909, ready 0 [b:3072/1536/2|bs:4096/2048/2]
channel flags=0x2108<TRIGGERED,BUSY,HAS_VCHAN>
{userland} -> feeder_mixer(0x00200010) -> {hardware}
pcm1:play:dsp1.p0[pcm1:virtual:dsp1.vp0]: spd 44100/48000, fmt 0x00200010, flags 0x1000114c, 0x00000029, pid 58968 (audacity)
interrupts 0, underruns 33, feed 987, ready 2012 [b:0/0/0|bs:2048/512/4]
channel flags=0x1000114c<RUNNING,TRIGGERED,NBIO,BUSY,HAS_SIZE,VIRTUAL>
{userland} -> feeder_root(0x00200010) -> feeder_volume(0x00200010) -> feeder_rate(0x00200010 q:1 44100 -> 48000) -> {hardware}
[pcm1:record:dsp1.r0]: spd 48000, fmt 0x00200010, flags 0x00002108, 0x00000005
interrupts 910, overruns 0, feed 1820, hfree 3072, sfree 4095 [b:3072/1536/2|bs:4096/2048/2]
channel flags=0x2108<TRIGGERED,BUSY,HAS_VCHAN>
{hardware} -> feeder_root(0x00200010) -> feeder_mixer(0x00200010) -> {userland}
pcm1:record:dsp1.r0[pcm1:virtual:dsp1.vr0]: spd 44100/48000, fmt 0x00200010, flags 0x1000115c, 0x00000029, pid 58968 (audacity)
interrupts 0, overruns 9, feed 2719, hfree 0, sfree 2012 [b:0/0/0|bs:2048/512/4]
channel flags=0x1000115c<RUNNING,TRIGGERED,NOTRIGGER,NBIO,BUSY,HAS_SIZE,VIRTUAL>
{hardware} -> feeder_root(0x00200010) -> feeder_rate(0x00200010 q:1 48000 -> 44100) -> feeder_volume(0x00200010) -> {userland}--
Torfinn