Can't run alsamixer and can't get sound from xawtv

From: Gerrit (gerrit_at_nl.linux.org)
Date: 03/31/04

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    Date: Wed, 31 Mar 2004 20:41:52 +0200
To: fedora-list@redhat.com

    Hello,

    I'm unable to run alsamixer:

    $ alsamixer
    alsamixer: function snd_ctl_open failed for default: No such device

    What's happening? I do have sound, but not in xawtv.
    I figured it might be a
    My sound card is a intel8x0 chiptset, module snd_intel8x0.

    I'm having tv card problems also...

    I can get video but I'm unable to get audio output. The autodection of
    my Pinnacle PCTV Studio/Rave is fine. For sound, I have an Intel 810
    chipset. This system is sold as it is now, so all hardware should be OK.

    $ head ~/.xawtv
    [global]
    freqtab = europe-west
    mixer = /dev/mixer1:vol # this makes no difference, I'm unsure about this line
    audio = stereo

    [defaults]
    input = Television
    norm = PAL

    $ dump-mixers
    /dev/mixer = ALC650 (ALC650)
      vol ( 0) : stereo 67/67
      pcm ( 4) : stereo 67/67
      speaker ( 5) : mono 67
      line ( 6) : stereo rec 67/67
      mic ( 7) : mono rec* 0
      cd ( 8) : stereo rec 67/67
      igain (12) : stereo rec 67/67
      line1 (14) : stereo rec 67/67
      phin (20) : mono rec 67
      phout (21) : mono 67
      video (22) : stereo rec 67/67
    /dev/mixer1 = tv card (MSP3410G-B11)
      vol ( 0) : stereo 100/100
      bass ( 1) : mono 50
      treble ( 2) : mono 50

    $ lsmod # relevant part
    Module Size Used by
    tvmixer 4784 0
    tuner 17164 0
    tvaudio 20364 0
    bttv 140780 2
    tda9887 6532 0
    msp3400 22164 0
    video_buf 16388 1 bttv
    i2c_algo_bit 9096 1 bttv
    v4l2_common 5120 1 bttv
    btcx_risc 4104 1 bttv
    i2c_core 18180 7
    tvmixer,tuner,tvaudio,bttv,tda9887,msp3400,i2c_algo_bit
    videodev 7296 3 bttv
    snd_mixer_oss 17280 0
    snd 44132 1 snd_mixer_oss
    i810_audio 28820 0
    ac97_codec 16908 1 i810_audio

    $ xawtv
    This is xawtv-3.91, running on Linux/i686 (2.6.4)
    Warning: Cannot convert string
    "-*-ledfixed-medium-r-*--39-*-*-*-c-*-*-*" to type FontStruct
    Xlib: extension "XFree86-DRI" missing on display ":0.0".

    I read the Sound FAQ [0], but I didn't find an answer to my question.
    I've seen that people have used this TV card in the past without
    problems. At usenet, I read something about "you may need to
    unmute line in', but I'm afraid I don't understand what that means.

    Is it possible that it has something to do with ALSA?

    Can someone help me?

    Gerrit.

    [0] /usr/src/linux-2.6.4/Documentation/video4linux/bttv/Sound-FAQ 

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