[mythtv-users] Mythtv analog audio HELP! -- SOLVED
Allen Edwards
allen.p.edwards at gmail.com
Fri Dec 12 16:09:31 UTC 2008
You are welcome.
I copied the list so that people can see that the problem was bad
hardware and is resolved.
I hope nobody gets upset that we started top posting in our private
correspondence.
A Merry Christmas to you as well.
Allen
On Fri, Dec 12, 2008 at 2:52 AM, Ray Whiteman
<ray.whiteman at consultant.com> wrote:
>
> LMAO. I like that. I thought I should qualify my comment about Mythbuntu. I meant if I rebuild that FE, I will use the Desktop version to see if it's any different. Mythbuntu is my choice for my FE's :)
>
> Thanks for your help and have a Merry Christmas.
>
> Allen Edwards wrote:
>>
>> Glad it is working. I like Mythbuntu. It has good documentation as long as I follow it.
>>
>> Allen
>>
>>
>> On Wed, Dec 10, 2008 at 12:26 PM, Ray Whiteman <ray.whiteman at consultant.com <mailto:ray.whiteman at consultant.com>> wrote:
>>
>> Allen,
>>
>> Appreciate all your feedback, I caved in and tried an old
>> Soundblaster Vibra 16 I had laying about in my parts bin. Problem
>> solved. I must have a HW fault on the MB. If I rebuild again I
>> won't rebuild with Mythbuntu :)
>>
>>
>> Allen Edwards wrote:
>>
>> The one thing that I find strange about my setup is that
>> neither of these commands will run. They both give errors
>> about missing files.
>>
>> dad at dad-study:~$ alsamixer
>> ALSA lib conf.c:3009:(snd_config_update_r) Cannot access file
>> /usr/share/alsa/alsa.conf
>> ALSA lib control.c:909:(snd_ctl_open_noupdate) Invalid CTL default
>> alsamixer: function snd_ctl_open failed for default: No such
>> file or directory
>>
>>
>> Not sure what that is about and everything is working so I
>> have not looked into it. I have a second machine with the
>> same MB that I can look at later if you want. It is my wife's
>> and usually boots in windows and I can't reboot right now.
>>
>> The other thing that might be different, although I am almost
>> positive didn't make a difference, is that my machines are
>> full Ubuntu setups. As such they have some music player
>> programs outside of myth that could play an mp3. I don't have
>> any mp3s on the machine so can't verify that.
>>
>> I would try and play something outside of myth to simplify the
>> question as you have a knows good setup.
>>
>> The other thing I would do is start over and install mythtv
>> again. I think I had to install it half a dozen times to get
>> it to work. I did so with the Mythbuntu instruction manual
>> printed out and followed it step by step. Otherwise,
>> something would be wrong.
>>
>> Let me know if I can do more to help.
>>
>> Allen
>>
>>
>>
>>
>> On Wed, Dec 10, 2008 at 1:59 AM, Ray Whiteman
>> <ray.whiteman at consultant.com
>> <mailto:ray.whiteman at consultant.com>
>> <mailto:ray.whiteman at consultant.com
>> <mailto:ray.whiteman at consultant.com>>> wrote:
>>
>> Allen Edwards wrote:
>>
>> On Tue, Dec 9, 2008 at 1:07 PM, Ray Whiteman
>> <ray.whiteman at consultant.com
>> <mailto:ray.whiteman at consultant.com>
>> <mailto:ray.whiteman at consultant.com
>> <mailto:ray.whiteman at consultant.com>>> wrote:
>> Allen Edwards wrote:
>> On Tue, Dec 9, 2008 at 3:21 AM, Ray Whiteman
>> <ray.whiteman at consultant.com
>> <mailto:ray.whiteman at consultant.com>
>> <mailto:ray.whiteman at consultant.com
>> <mailto:ray.whiteman at consultant.com>>> wrote:
>>
>> Hello,
>>
>> I have been battling with an analogue sound
>> output
>> problem for a couple
>> days with a new myth front end I put together
>> using old hardware. It is
>> a clean install with back ports added to
>> bring the
>> FE up to my current
>> backend FE config. My objective is to get
>> the FE
>> to playback DVB-T and
>> PVR-150 sampled recordings via the FE to stereo
>> speakers embedded in an
>> old 4:3 CRT TV. I have tried with and without
>> .asoundrc files, and every
>> configuration of alsamixer I could think of as
>> well as all the options
>> in mythfrontend audio configuration.
>>
>> My last configuration, which I thought was the
>> closest, was the below
>> configuration with the myth (Settings General >
>> Audio) set to
>> ALSA:mixed-analog
>>
>> I am not categorically sure that the analog
>> output
>> is working hardware
>> wise, I think it was, I just can't get a
>> whimper
>> out of it now.
>> Everything looks correct to me. Sorry for the
>> spam. ANy help would be
>> seriously appreciated. I suspect this is
>> something
>> basic. :/
>>
>> ===================================================================
>> Hardware:
>> Asus P4P800-E
>> ALC850 sound (AC97)
>>
>> ===================================================================
>> Software:
>> Mythbuntu 7.10 with backports enabled
>> (mythfrontend 0.21.20080304-1)
>>
>> ===================================================================
>> $sudo lspci -v
>>
>> 00:1f.5 Multimedia audio controller: Intel
>> Corporation 82801EB/ER
>> (ICH5/ICH5R) AC'97 Audio Controller (rev 02)
>> Subsystem: ASUSTeK Computer Inc. Unknown
>> device 812a
>> Flags: bus master, medium devsel,
>> latency 0,
>> IRQ 22
>> I/O ports at e800 [size=256]
>> I/O ports at ee80 [size=64]
>> Memory at f7fff800 (32-bit,
>> non-prefetchable)
>> [size=512]
>> Memory at f7fff400 (32-bit,
>> non-prefetchable)
>> [size=256]
>> Capabilities: [50] Power Management
>> version 2
>>
>> ===================================================================
>> $ hwinfo --sound
>> 21: PCI 1f.5: 0401 Multimedia audio controller
>> [Created at pci.296]
>> UDI:
>> /org/freedesktop/Hal/devices/pci_8086_24d5
>> Unique ID: W60f.GwekzbCBmC6
>> SysFS ID: /devices/pci0000:00/0000:00:1f.5
>> SysFS BusID: 0000:00:1f.5
>> Hardware Class: sound
>> Model: "ASUSTeK 82801EB/ER (ICH5/ICH5R) AC'97
>> Audio Controller"
>> Vendor: pci 0x8086 "Intel Corporation"
>> Device: pci 0x24d5 "82801EB/ER
>> (ICH5/ICH5R) AC'97
>> Audio Controller"
>> SubVendor: pci 0x1043 "ASUSTeK Computer Inc."
>> SubDevice: pci 0x812a
>> Revision: 0x02
>> Driver: "Intel ICH"
>> Driver Modules: "snd_intel8x0"
>> I/O Ports: 0xe800-0xe8ff (rw)
>> I/O Ports: 0xee80-0xeebf (rw)
>> Memory Range: 0xf7fff800-0xf7fff9ff
>> (rw,non-prefetchable)
>> Memory Range: 0xf7fff400-0xf7fff4ff
>> (rw,non-prefetchable)
>> IRQ: 22 (19576 events)
>> Module Alias:
>> "pci:v00008086d000024D5sv00001043sd0000812Abc04sc01i00"
>> Driver Info #0:
>> Driver Status: snd_intel8x0 is active
>> Driver Activation Cmd: "modprobe snd_intel8x0"
>> Config Status: cfg=new, avail=yes, need=no,
>> active=unknown
>>
>> ===================================================================
>> $ lsmod | grep snd
>> snd_intel8x0 34972 2
>> snd_ac97_codec 100644 1 snd_intel8x0
>> ac97_bus 3200 1 snd_ac97_codec
>> snd_pcm_oss 44672 0
>> snd_mixer_oss 17664 1 snd_pcm_oss
>> snd_pcm 80388 4
>> snd_intel8x0,snd_ac97_codec,snd_pcm_oss
>> snd_seq_dummy 4740 0
>> snd_seq_oss 33152 0
>> snd_seq_midi 9600 0
>> snd_rawmidi 25728 1 snd_seq_midi
>> snd_seq_midi_event 8448 2
>> snd_seq_oss,snd_seq_midi
>> snd_seq 53232 6
>> snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
>> snd_timer 24324 2 snd_pcm,snd_seq
>> snd_seq_device 9228 5
>> snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
>> snd 54660 13
>>
>> snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
>> soundcore 8800 1 snd
>> snd_page_alloc 11400 2
>> snd_intel8x0,snd_pcm
>>
>> ===================================================================
>> $dpkg -l \*alsa\* | grep ^ii
>> ii alsa-base 1.0.14-1ubuntu2 ALSA
>> driver configuration
>> files
>> ii alsa-utils 1.0.14-1ubuntu4 ALSA
>> utilities
>> ii libesd-alsa0 0.2.38-0ubuntu4.1
>> Enlightened Sound Daemon
>> (ALSA) - Shared lib
>> ii libsdl1.2debian-alsa 1.2.11-9ubuntu2 Simple
>> DirectMedia Layer
>> (with X11 and ALSA
>> ii xfce4-mixer-alsa 1:4.4.1-3ubuntu1
>> Xfce4
>> Mixer ALSA backend
>>
>> ===================================================================
>> $aplay -l
>> **** List of PLAYBACK Hardware Devices ****
>> card 0: ICH5 [Intel ICH5], device 0: Intel ICH
>> [Intel ICH5]
>> Subdevices: 0/1
>> Subdevice #0: subdevice #0
>> card 0: ICH5 [Intel ICH5], device 4: Intel
>> ICH -
>> IEC958 [Intel ICH5 -
>> IEC958]
>> Subdevices: 1/1
>> Subdevice #0: subdevice #0
>>
>> ===================================================================
>> $ aplay -L
>> front:CARD=ICH5,DEV=0
>> Intel ICH5, Intel ICH5
>> Front speakers
>> surround40:CARD=ICH5,DEV=0
>> Intel ICH5, Intel ICH5
>> 4.0 Surround output to Front and Rear speakers
>> surround41:CARD=ICH5,DEV=0
>> Intel ICH5, Intel ICH5
>> 4.1 Surround output to Front, Rear and
>> Subwoofer
>> speakers
>> surround50:CARD=ICH5,DEV=0
>> Intel ICH5, Intel ICH5
>> 5.0 Surround output to Front, Center and Rear
>> speakers
>> surround51:CARD=ICH5,DEV=0
>> Intel ICH5, Intel ICH5
>> 5.1 Surround output to Front, Center, Rear and
>> Subwoofer speakers
>> null
>> Discard all samples (playback) or generate
>> zero
>> samples (capture)
>>
>> ===================================================================
>> $ cat .asoundrc
>> # ~/.asoundrc or /etc/asound.conf
>> # ALSA configuration file
>>
>> ##### USAGE #####
>> # Save this file as "~/.asoundrc" (for
>> user-specific sound configuration)
>> or
>> # "/etc/asound.conf" (for system-wide sound
>> configuration) and specify
>> ALSA
>> # device names ad described in the next
>> section.
>>
>>
>> ##### DEVICE NAMES #####
>> # This configuration file defines four
>> devices for
>> use by the user.
>> Those
>> # devices are "analog", "mixed-analog",
>> "digital",
>> and "mixed-digital".
>> The
>> # user may also re-define "default" to be
>> identical to one of the
>> above-named
>> # devices (i.e. to send all sound output to the
>> digital output unless
>> otherwise
>> # specified). Use the device names as
>> described
>> below:
>> # - "analog" outputs to the analog output
>> directly and (at least on
>> software
>> # sound cards) blocks other audio output.
>> After
>> playback completes,
>> "queued"
>> # sounds are output in sequence.
>> # - "mixed-analog" mixes audio output from
>> multiple programs into the
>> analog
>> # output (so you can hear beeps, alerts, and
>> other noises while playing
>> back
>> # an audio stream).
>> # - "digital" outputs to the digital output
>> directly. Since most (all?)
>> # digital outputs expect 48kHz PCM audio, this
>> may not work for some
>> playback
>> # (i.e. CD's--which are 44.1kHz PCM audio--or
>> 32kHz audio streams from
>> TV
>> # recordings, etc.).
>> # - "mixed-digital"
>>
>> # All other devices created within this
>> file are
>> used only by the
>> configuration
>> # file itself and should /not/ be used
>> directly.
>> In other words, do not
>> use
>> # the devices "analog-hw", "dmix-analog",
>> "digital-hw", or
>> "dmix-digital".
>>
>>
>> ##### IMPORTANT #####
>> # To make this ALSA configuration file work
>> with
>> your sound card, you
>> will need
>> # to define the appropriate card and device
>> information for the
>> "analog-hw" and
>> # "digital-hw" devices below. You can find the
>> card and device
>> information
>> # using "aplay -l".
>>
>>
>> ##### Configuration File #####
>>
>> # Override the default output used by ALSA. If
>> you do not override the
>> # default, your default device is identical
>> to the
>> (unmixed) "analog"
>> device
>> # shown below. If you prefer mixed and/or
>> digital
>> output, uncomment the
>> # appropriate four lines below (only one
>> slave.pcm
>> line).
>> #
>> # Note, also, that as of ALSA 1.0.9, "software"
>> sound cards have been
>> modified
>> # such that their default "default" device is
>> identical to the
>> "mixed-analog"
>> # device. Whether using an ALSA version
>> before or
>> after 1.0.9, it does
>> no harm
>> # and has no affect on performance to
>> redefine the
>> device (even if the
>> # redefinition does not change anything).
>> Also,
>> by using this ALSA
>> # configuration file, you once again have
>> access
>> to unmixed analog
>> output using
>> # the "analog" device.
>> pcm.!default {
>> type plug
>> ## Uncomment the following to use (unmixed)
>> "analog" by default
>> # slave.pcm "analog-hw"
>> ## Uncomment the following to use
>> "mixed-analog"
>> by default
>> slave.pcm "dmix-analog"
>> ## Uncomment the following to use (unmixed)
>> "digital" by default
>> # slave.pcm "digital-hw"
>> ## Uncomment the following to use
>> "mixed-digital"
>> by default
>> # slave.pcm "dmix-digital"
>> }
>>
>> # Control device (mixer, etc.) for the card
>> ctl.!default {
>> type hw
>> card 0
>> }
>>
>> # Alias for (converted) analog output on
>> the card
>> # - This is identical to the device named
>> "default"--which always exists
>> and
>> # refers to hw:0,0 (unless overridden)
>> # - Therefore, we can specify "hw:0,0",
>> "default",
>> or "analog" to access
>> analog
>> # output on the card
>> # - Note that as of ALSA 1.0.9, "software"
>> sound
>> card definitions
>> redefine
>> # "default" to do mixing, meaning this
>> device is
>> different from
>> "default" and
>> # allows playback while blocking other sound
>> sources (until playback
>> # completes).
>> pcm.analog {
>> type plug
>> slave.pcm "analog-hw"
>> }
>>
>> # Control device (mixer, etc.) for the card
>> ctl.analog {
>> type hw
>> card 0
>> }
>>
>> # Alias for (converted) mixed analog output
>> on the
>> card
>> # - This will accept audio input--regardless of
>> rate--and convert to the
>> rate
>> # required for the dmix plugin (in this
>> case 48000Hz)
>> # - Note that as of ALSA 1.0.9, "software"
>> sound
>> card definitions
>> redefine
>> # "default" to do mixing, meaning this
>> device is
>> identical to "default"
>> for
>> # "software" sound cards.
>> pcm.mixed-analog {
>> type plug
>> slave.pcm "dmix-analog"
>> }
>>
>> # Control device (mixer, etc.) for the card
>> ctl.mixed-analog {
>> type hw
>> card 0
>> }
>>
>> # Alias for (converted) digital (S/PDIF)
>> output on
>> the card
>> # - This will accept audio input--regardless of
>> rate--and convert to the
>> rate
>> # required for the S/PDIF hardware (in this
>> case
>> 48000Hz)
>> pcm.digital {
>> type plug
>> slave.pcm "digital-hw"
>> }
>>
>> # Control device (mixer, etc.) for the card
>> ctl.digital {
>> type hw
>> card 0
>> }
>>
>> # Alias for mixed (converted) digital (S/PDIF)
>> output on the card
>> # - This will accept audio
>> input--regardless of
>> rate--and convert to
>> the rate
>> # required for the S/PDIF hardware (in
>> this case
>> 48000Hz)
>> pcm.mixed-digital {
>> type plug
>> slave.pcm "dmix-digital"
>> }
>>
>> # Control device (mixer, etc.) for the card
>> ctl.mixed-digital {
>> type hw
>> card 0
>> }
>>
>> # The following devices are not useful by
>> themselves. They require
>> specific
>> # rates, channels, and formats. Therefore, you
>> probably do not want to
>> use
>> # them directly. Instead use of of the devices
>> defined above.
>>
>> # Alias for analog output on the card
>> # Do not use this directly--it requires
>> specific
>> rate, channels, and
>> format
>> pcm.analog-hw {
>> type hw
>> card 0
>> # The default value for device is 0, so no
>> need
>> to specify
>> # - Uncomment one of the below or create a new
>> "device N" line as
>> appropriate
>> # for your sound card or
>> # device 1
>> # device 4
>> }
>>
>> # Control device (mixer, etc.) for the card
>> ctl.analog-hw {
>> type hw
>> card 0
>> }
>>
>> # Alias for digital (S/PDIF) output on the card
>> # Do not use this directly--it requires
>> specific
>> rate, channels, and
>> format
>> pcm.digital-hw {
>> type hw
>> card 0
>> device 4
>> # - Comment out "device 1" above and uncomment
>> one of the below or
>> create a
>> # new "device N" line as appropriate for
>> your
>> sound card or
>> # device 2
>> # device 4
>> }
>>
>> # Control device (mixer, etc.) for the card
>> ctl.digital-hw {
>> type hw
>> card 0
>> }
>>
>> # Direct software mixing plugin for analog
>> output
>> on the card
>> # Do not use this directly--it requires
>> specific
>> rate, channels, and
>> format
>> pcm.dmix-analog {
>> type dmix
>> ipc_key 1234
>> slave {
>> pcm "analog-hw"
>> period_time 0
>> period_size 1024
>> buffer_size 4096
>> rate 48000
>> }
>> }
>>
>> # Control device (mixer, etc.) for the card
>> ctl.dmix-analog {
>> type hw
>> card 0
>> }
>>
>> # Direct software mixing plugin for digital
>> (S/PDIF) output on the card
>> # Do not use this directly--it requires
>> specific
>> rate, channels, and
>> format
>> pcm.dmix-digital {
>> type dmix
>> ipc_key 1235
>> slave {
>> pcm "digital-hw"
>> period_time 0
>> period_size 1024
>> buffer_size 4096
>> rate 48000
>> }
>> }
>>
>> # Control device (mixer, etc.) for the card
>> ctl.dmix-digital {
>> type hw
>> card 0
>> }
>>
>>
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> <mailto:mythtv-users at mythtv.org>
>> <mailto:mythtv-users at mythtv.org
>> <mailto:mythtv-users at mythtv.org>>
>>
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
>> I have a P4P800E-Deluxe MB and a myth FE
>> running on it
>> with analog
>> audio. I delete the asound.conf file and set
>> myth to
>> the following:
>>
>> Audio output device: /dev/dsp
>> Max audio channels: Stereo
>> Upmix: Passive
>> passthrough and agressive not checked.
>>
>> Hope this helps,
>>
>> Allen
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> <mailto:mythtv-users at mythtv.org>
>> <mailto:mythtv-users at mythtv.org <mailto:mythtv-users at mythtv.org>>
>>
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
>>
>>
>>
>> Allen,
>>
>> Thank you for the reply.
>>
>> Currently myth is set up to
>>
>> Audio output device: Alsa:default
>> Max audio channels: Stereo
>> Upmix: Passive
>> passthrough and agressive not checked.
>>
>> I will focus my testing from now on on /dev/dsp (I have
>> tried this, but
>> perhaps I had other issues at the time).
>>
>>
>>
>> Don't forget to delete or rename asound.conf.
>>
>> Allen
>>
>>
>>
>> Thanks for the tip. I have no asound.conf though, and still no
>> luck. It is like the output is dead.....
>>
>> What is your alsamixer setup, if it is not too much trouble?
>>
>> The output from amixer would be useful I think.
>>
>>
>>
>>
>
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