Just FYI, on my RPI running raspbian Pd doesn't need a delay to turn the audio on, but does require a substantial buffer in order to work fine with the analog output.
Pierre. 2012/9/4 m.e.grimm <[email protected]> > it ends up that i forgot to do the delay on the loadbang thing to turn > audio on with -nogui flag. > > works but doesnt sound so good... ill work on that one... > > cheers > m > > On Sun, Sep 2, 2012 at 2:01 PM, Miller Puckette <[email protected]> wrote: > > Well, first off, do you know about X11 forwarding in ssh? It's easy > > to run GUI programs over ssh and have all teh windows pop up on > > the calling machine. Just make sure /etc/ssh/sshd_config on the > > Pi has the line "X11Forwarding yes" (and restart sshd if necessary) and > > run "ssh -X" from the calling machine (-X might be on by default anyway; > > also you can change the default in /etc/ssh/ssh_configu). Type "pd" on > > the remote shell and bingo, the Pd window pops up on the calling one. > > > > Sometimes there's an extra step to get permission to use the audio > device on > > the remote machine if you aren't roo on it -- this can be done by adding > your > > user account to group 'audio'. > > > > cheers > > Miller > > > > On Sun, Sep 02, 2012 at 09:52:50AM -0400, m.e.grimm wrote: > >> hey miller. > >> > >> yeah on raspbian i got rid of the "invalid card" nag. no way to test > >> stuff at moment via gui. all done via ssh on headless rpi. > >> > >> my guess is it has nothing to do with pd. usb cards have to be set to > default. > >> > >> $ nano /etc/asound.conf > >> > >> pcm.!default { > >> type hw > >> card 0 > >> } > >> > >> ctl.!default { > >> type hw > >> card 0 > >> } > >> > >> $nano /etc/modprobe.d/alsa-base.conf > >> change line: > >> # Keep snd-usb-audio from beeing loaded as first soundcard > >> options snd-usb-audio index=-2 > >> > >> to: > >> # Keep snd-usb-audio from beeing loaded as first soundcard > >> options snd-usb-audio index=0 > >> > >> > >> m > >> > >> On Sat, Sep 1, 2012 at 7:13 PM, Miller Puckette <[email protected]> wrote: > >> > Hmm - no matter what I try over here I can't get Pd to complain > >> > 'Invalid value for card' - a lame guess would be that either the > >> > input or output only does mono and Pd is asking for 2 channels or > >> > something like that. > >> > > >> > I suppose all works fine when you open Pd with a GUI, right? > >> > > >> > Thanks for your patience... > >> > M > >> > > >> > On Sat, Sep 01, 2012 at 06:33:37PM -0400, m.e.grimm wrote: > >> >> hey miller, > >> >> > >> >> > You can type "pd -nogui -audiodev 1" (1 is the default anyway) to > get > >> >> > >> >> yeah that's what i meant. "pd -nogui -audiodev 1", "pd -nogui > >> >> -audiodev 2", etc etc.... All giving me the same error. > >> >> > >> >> ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card > >> >> snd_pcm_open (input): No such file or directory > >> >> ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card > >> >> snd_pcm_open (output): No such file or directory > >> >> > >> >> > >> >> > >> >> m > >> >> > >> >> > >> >> On Sat, Sep 1, 2012 at 2:17 PM, Miller Puckette <[email protected]> > wrote: > >> >> > You can type "pd -nogui -audiodev 1" (1 is the default anyway) to > get > >> >> > the "hardware" device or "pd -nogui -audiodev 2" to get the > "plughw" > >> >> > device. The "device numbers" in the Pd argument agree with the > numbering > >> >> > that "-listdev" prints out. > >> >> > > >> >> > cheers > >> >> > Miller > >> >> > > >> >> > On Sat, Sep 01, 2012 at 12:11:42PM -0400, m.e.grimm wrote: > >> >> >> My audio card is listed as: > >> >> >> > >> >> >> pi@raspberrypi ~ $ lsusb > >> >> >> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > >> >> >> Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp. > >> >> >> Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. > >> >> >> Bus 001 Device 004: ID 7392:7811 Edimax Technology Co., Ltd > EW-7811Un > >> >> >> 802.11n Wireless Adapter [Realtek RTL8188CUS] > >> >> >> Bus 001 Device 008: ID 0d8c:000e C-Media Electronics, Inc. Audio > >> >> >> Adapter (Planet UP-100, Genius G-Talk) > >> >> >> > >> >> >> pi@raspberrypi ~ $ aplay -l > >> >> >> **** List of PLAYBACK Hardware Devices **** > >> >> >> card 1: Device [Generic USB Audio Device], device 0: USB Audio > [USB Audio] > >> >> >> Subdevices: 1/1 > >> >> >> Subdevice #0: subdevice #0 > >> >> >> > >> >> >> > >> >> >> When i do: > >> >> >> > >> >> >> pi@raspberrypi ~ $speaker-test -Dplughw:1,0 -t sine -f 800 > >> >> >> > >> >> >> I get a test tone from the output. Then I do: > >> >> >> > >> >> >> pi@raspberrypi ~ $ sudo pd -nogui -listdev > >> >> >> audio input devices: > >> >> >> 1. Generic USB Audio Device (hardware) > >> >> >> 2. Generic USB Audio Device (plug-in) > >> >> >> audio output devices: > >> >> >> 1. Generic USB Audio Device (hardware) > >> >> >> 2. Generic USB Audio Device (plug-in) > >> >> >> API number 1 > >> >> >> > >> >> >> pi@raspberrypi ~ $ pd -nogui -alsa -nomidi -audiodev 1,1 > >> >> >> ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card > >> >> >> snd_pcm_open (input): No such file or directory > >> >> >> ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card > >> >> >> snd_pcm_open (output): No such file or directory > >> >> >> > >> >> >> > >> >> >> hmmmm... am i doing something silly wrong here? what am i missing > with > >> >> >> my flags that giving me "Invalid value for card"? > >> >> >> > >> >> >> thanks! > >> >> >> m > >> >> >> > >> >> >> -- > >> >> >> ____________________ > >> >> >> m.e.grimm | m.f.a | ed.m. > >> >> >> [email protected] > >> >> >> _________________________________ > >> >> >> > >> >> >> _______________________________________________ > >> >> >> [email protected] mailing list > >> >> >> UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > >> >> > >> >> > >> >> > >> >> -- > >> >> ____________________ > >> >> m.e.grimm | m.f.a | ed.m. > >> >> [email protected] > >> >> _________________________________ > >> > >> > >> > >> -- > >> ____________________ > >> m.e.grimm | m.f.a | ed.m. > >> [email protected] > >> _________________________________ > > > > -- > ____________________ > m.e.grimm | m.f.a | ed.m. > [email protected] > _________________________________ > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list >
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