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Thread: EMU 0404 USB new thread

  1. #111
    Join Date
    Jun 2009
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    90

    Re: EMU 0404 USB new thread

    Quote Originally Posted by bofphile View Post
    Code:
    make: entrant dans le répertoire « /usr/src/linux-headers-2.6.28-11-generic »
      Building modules, stage 2.
      MODPOST 0 modules
    make: quittant le répertoire « /usr/src/linux-headers-2.6.28-11-generic »
    Can I continue or should I install kernel-source ?
    Sorry, I'm an Arch-Linux user, and I forgot, that package names may differs in Ubuntu.
    It seems that source code compiled successefully, check is emu0202usb.ko file presents in a folder. If so, you can proceed.
    Do I have to use a file with a samplerate of 176.4 or 192kHz to do this test ? If so do you have a sample I could use ?
    You can't play any sound samples with this test-driver, it doesn't have such a functionality. It doesn't have any functionality, but sending 3 control packets to 0202usb device.
    The result of this test-module is: 5 lines with debug information in message.log, and, I hope, turning "Direct monitor" led off. That's all, nothing else.

    Before this gets too far, can someone else with an 0202 on Linux confirm that 96Khz works but higher sample rates don't? Am I the only one reporting this?
    klotz, it's good to see you again, can you test this test-module too?
    Last edited by CannibalZerg; June 12th, 2009 at 06:09 AM.

  2. #112
    Join Date
    Mar 2006
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    France
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    107
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: EMU 0404 USB new thread

    The file emu0202usb.ko is not present in the folder.

    Also for the sound samples, I meant to try with your previous patch (504385), not this test-driver.

  3. #113
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    Re: EMU 0404 USB new thread

    bofphile install linux-headers-2.6.xx-xx package, and try again.
    I haven't particular sound samples, usually I'm using resamplers in ~/.asoundrc . AFAIK aplay command has option -r
    Something like:
    Code:
    aplay -D hw:1,0 -r 192000 some_file.wav
    P.S. Also install build-essential package.
    Last edited by CannibalZerg; June 12th, 2009 at 12:10 PM.

  4. #114
    Join Date
    Jun 2009
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    Russia, Saint-Petersburg
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    9
    Distro
    Kubuntu 9.04 Jaunty Jackalope

    Re: EMU 0404 USB new thread

    I have slightly offtopic question...
    Does anybody have a problem with 0404 and dmix like me?
    https://bugs.launchpad.net/ubuntu/+s...ib/+bug/375993

  5. #115
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    Jun 2009
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    Re: EMU 0404 USB new thread

    _SPU_, yes, I have the same problem. It's seems, that dmix works at 48k.

  6. #116
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    Ubuntu 12.04 Precise Pangolin

    Re: EMU 0404 USB new thread

    Okay, I did your test and this the result.

    - First, at step 4, I had to kill "mixer_applet2" and "pulseaudio" to properly unload the module.

    - As you said in step 8, the "Director Monitor" LED went off (I tried with stereo) when I loaded the test module.

    - This is the output of "sudo cat /var/log/messages | grep Foo_EMU" (I had to delete the .log of messages because it couldn't find the file otherwise):
    Code:
    [  897.631419] Foo_EMU_0202:  Starting module....
    [  897.631687] Foo_EMU_0202: Get current samplerate: SUCCESS: 0x0
    [  897.631934] Foo_EMU_0202: Set samplerate: SUCCESS: 0x4
    [  897.632053] Foo_EMU_0202: Get new samplerate: SUCCESS: 0x4
    [  926.166062] Foo_EMU_0202:  Unloading module....

  7. #117
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    Re: EMU 0404 USB new thread

    bofphile good job, thanks a lot.
    So, it can switch to 174 or 192, it's a good news.

    I think, I'll find a problematic piece of code in alsa in recent days.

  8. #118
    Join Date
    Jun 2009
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    6

    Re: EMU 0404 USB new thread

    Hi all I am installing the patch on my openSuSe box box now and would be happy to help in any way I can.

    Keep up the good work you crazy penguins!

  9. #119
    Join Date
    Dec 2008
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    46

    Re: EMU 0404 USB new thread

    Quote Originally Posted by CannibalZerg View Post
    bofphile good job, thanks a lot.
    So, it can switch to 174 or 192, it's a good news.

    I think, I'll find a problematic piece of code in alsa in recent days.
    It's quite likely the problem is elsewhere, perhaps even in the applications I'm using. I get only noise out when I specify higher than 96KHz in the USB request and tell my alsa client app to use the same rate; however if I lie to the alsa app and tell it to request 96Khz yet leave the device set for 192Khz I get resampled audio.

    So in conclusion, I agree with you that if there's a problem, it's probably not in the USB code or the device setup.

  10. #120
    Join Date
    Jun 2009
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    90

    Re: EMU 0404 USB new thread

    Super*Skunk what device do you have, 0404 or 0202?
    klotz can you switch your system to runlevel 3 (to eliminate possible interference with GTK mixer applet, or any other software)
    Code:
    $sudo telinit 3
    $sudo /etc/init.d/gdm stop
    and try to set sample rate higher than 96kHz in alsamixer. Is slider still stuck at 60%?
    Last edited by CannibalZerg; June 13th, 2009 at 10:17 PM.

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