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Old 04-07-2012, 06:19 PM
"Kevin Williams"
 
Default No sound from Gnash in Iceweasel or Epiphany or from VLC

Hi,



The video works just fine in both applications, but it has no sound.* However, I can play ogv videos with sound just fine from Gnome Sound Recorder and Totem Movie Player.



My preferred sound device is a Plantronics .Audio 646 DSP usb headset.* I have also tried plugging in a set of Apple ear buds to the traditional sound jacks.* I do not get any sound from any source when attempting to play videos from VLC, Iceweasel, or Epiphany.



I am using Debian Squeeze.



I searched the debian-user archives and found (at least some of) the commands I need to get the requisite information.* I'm not sure what everything means, but it's a start.



# lsusb

Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 006 Device 002: ID 047f:c001 Plantronics, Inc.

Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 005 Device 002: ID 0461:4d0f Primax Electronics, Ltd

Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub



# lspci -knn | grep -iA2 audio

00:14.2 Audio device [0403]: ATI Technologies Inc SBx00 Azalia (Intel HDA) [1002:4383] (rev 40)

*** Subsystem: ASUSTeK Computer Inc. Device [1043:8410]

00:14.3 ISA bridge [0601]: ATI Technologies Inc SB700/SB800 LPC host controller [1002:439d] (rev 40)

--

01:00.1 Audio device [0403]: ATI Technologies Inc Redwood HDMI Audio [Radeon HD 5600 Series] [1002:aa60]

*** Subsystem: Dell Device [1028:aa60]

02:00.0 USB Controller [0c03]: NEC Corporation uPD720200 USB 3.0 Host Controller [1033:0194] (rev 03)



# cat /proc/asound/cards

*1 [DSP*********** ]: USB-Audio - Plantronics .Audio 646 DSP

********************* Plantronics Plantronics .Audio 646 DSP at usb-0000:00:13.0-1, full speed



# lsof $(find /dev/ -group audio)

COMMAND*** PID* USER** FD** TYPE DEVICE SIZE/OFF NODE NAME

mixer_app 2963 kevin** 21r** CHR* 116,6***** 0t0 3881 /dev/snd/controlC1

totem**** 3225 kevin* mem*** CHR* 116,4********* 3879 /dev/snd/pcmC1D0p

totem**** 3225 kevin** 27r** CHR* 116,4***** 0t0 3879 /dev/snd/pcmC1D0p



# ls /dev/dsp

ls: cannot access /dev/dsp: No such file or directory



# ls -R /dev/snd

/dev/snd:

by-id* by-path** *controlC1* pcmC1D0c* pcmC1D0p* seq* timer



/dev/snd/by-id:

usb-Plantronics_Plantronics_.Audio_646_DSP-00



/dev/snd/by-path:

pci-0000:00:13.0-usb-0:1:1.0



If you need any further information, please let me know.



I am aware that I may need to use modprobe or some such interface to unload and reload modules from the Linux kernel.* However, I have never directly manipulated kernel modules until now.



Thank you in advance,

Kevin
 
Old 04-07-2012, 07:46 PM
Florian Kulzer
 
Default No sound from Gnash in Iceweasel or Epiphany or from VLC

(Please try to turn off the HTML part of your messages.)

On Sat, Apr 07, 2012 at 14:19:15 -0400, Kevin Williams wrote:
> Hi,
>
> The video works just fine in both applications, but it has no sound.
> However, I can play ogv videos with sound just fine from Gnome Sound
> Recorder and Totem Movie Player.
>
> My preferred sound device is a Plantronics .Audio 646 DSP usb
> headset. I have also tried plugging in a set of Apple ear buds to the
> traditional sound jacks. I do not get any sound from any source when
> attempting to play videos from VLC, Iceweasel, or Epiphany.
>
> I am using Debian Squeeze.

Are you using Gnome with pulseaudio? If you are not sure then post the
output of:

dpkg -l *pulse* | awk '/^ii/{print $1,$2,$3}'

[...]

> # lspci -knn | grep -iA2 audio
> 00:14.2 Audio device [0403]: ATI Technologies Inc SBx00 Azalia (Intel HDA) [1002:4383] (rev 40)
> Subsystem: ASUSTeK Computer Inc. Device [1043:8410]
> 00:14.3 ISA bridge [0601]: ATI Technologies Inc SB700/SB800 LPC host controller [1002:439d] (rev 40)
> --
> 01:00.1 Audio device [0403]: ATI Technologies Inc Redwood HDMI Audio [Radeon HD 5600 Series] [1002:aa60]
> Subsystem: Dell Device [1028:aa60]
> 02:00.0 USB Controller [0c03]: NEC Corporation uPD720200 USB 3.0 Host Controller [1033:0194] (rev 03)
>
> # cat /proc/asound/cards
> 1 [DSP ]: USB-Audio - Plantronics .Audio 646 DSP
> Plantronics Plantronics .Audio 646 DSP at usb-0000:00:13.0-1, full speed

It seems that your two internal audio devices are not supported by
Squeeze's kernel (unless you took active measures to prohibit loading of
the corresponding kernel modules); this explains why you do not hear
anything when you use standard headphones plugged into the 3.5mm TRS
socket.

How do you want to proceed? Try to get the Azalia device working or
focus on the plantronics USB headset?

If you are content using the USB headset then my guess would be that you
have to ensure it is recognized as ALSA card number 0. The most common
cause of problems like yours - some applications play sound just fine
while others fail - is that the problematic applications are not
flexible enough to handle systems which have no card 0 or on which card
0 is broken.

The quickest way to check if this is your problem is to unplug the USB
headset and then run as root:

modprobe -r snd_usb_audio
modprobe snd_usb_audio index=0

Then plug in the headset again, verify that it is card 0 now (cat
/proc/asound/cards should show " 0 [DSP ]: USB-Audio ...") and try if
Gnash and VLC work.

--
Regards, |
Florian | http://www.florian-kulzer.eu


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Old 04-07-2012, 11:02 PM
istimsak abdulbasir
 
Default No sound from Gnash in Iceweasel or Epiphany or from VLC

In squeeze, to get sound working I use this command,

#sudo alsa force-reload


Works all the time.

On Apr 7, 2012 3:46 PM, "Florian Kulzer" <debian-lists@florian-kulzer.eu> wrote:
(Please try to turn off the HTML part of your messages.)



On Sat, Apr 07, 2012 at 14:19:15 -0400, Kevin Williams wrote:

> Hi,

>

> *The video works just fine in both applications, but it has no sound.

> *However, I can play ogv videos with sound just fine from Gnome Sound

> *Recorder and Totem Movie Player.

>

> *My preferred sound device is a Plantronics .Audio 646 DSP usb

> *headset. I have also tried plugging in a set of Apple ear buds to the

> *traditional sound jacks. I do not get any sound from any source when

> *attempting to play videos from VLC, Iceweasel, or Epiphany.

>

> *I am using Debian Squeeze.



Are you using Gnome with pulseaudio? If you are not sure then post the

output of:



*dpkg -l *pulse* | awk '/^ii/{print $1,$2,$3}'



*[...]



> *# lspci -knn | grep -iA2 audio

> *00:14.2 Audio device [0403]: ATI Technologies Inc SBx00 Azalia (Intel HDA) [1002:4383] (rev 40)

> *Subsystem: ASUSTeK Computer Inc. Device [1043:8410]

> *00:14.3 ISA bridge [0601]: ATI Technologies Inc SB700/SB800 LPC host controller [1002:439d] (rev 40)

> *--

> *01:00.1 Audio device [0403]: ATI Technologies Inc Redwood HDMI Audio [Radeon HD 5600 Series] [1002:aa60]

> *Subsystem: Dell Device [1028:aa60]

> *02:00.0 USB Controller [0c03]: NEC Corporation uPD720200 USB 3.0 Host Controller [1033:0194] (rev 03)

>

> *# cat /proc/asound/cards

> * 1 [DSP ]: USB-Audio - Plantronics .Audio 646 DSP

> * * * * * * Plantronics Plantronics .Audio 646 DSP at usb-0000:00:13.0-1, full speed



It seems that your two internal audio devices are not supported by

Squeeze's kernel (unless you took active measures to prohibit loading of

the corresponding kernel modules); this explains why you do not hear

anything when you use standard headphones plugged into the 3.5mm TRS

socket.



How do you want to proceed? Try to get the Azalia device working or

focus on the plantronics USB headset?



If you are content using the USB headset then my guess would be that you

have to ensure it is recognized as ALSA card number 0. The most common

cause of problems like yours - some applications play sound just fine

while others fail - is that the problematic applications are not

flexible enough to handle systems which have no card 0 or on which card

0 is broken.



The quickest way to check if this is your problem is to unplug the USB

headset and then run as root:



*modprobe -r snd_usb_audio

*modprobe snd_usb_audio index=0



Then plug in the headset again, verify that it is card 0 now (cat

/proc/asound/cards should show " 0 [DSP ]: USB-Audio ...") and try if

Gnash and VLC work.



--

Regards, * * * * * *|

* * * * *Florian * | http://www.florian-kulzer.eu





--

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with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org

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Old 04-08-2012, 03:17 PM
Camaleón
 
Default No sound from Gnash in Iceweasel or Epiphany or from VLC

On Sat, 07 Apr 2012 14:19:15 -0400, Kevin Williams wrote:

(please, turn off html, thanks...)

> The video works just fine in both applications, but it has no sound.
> However, I can play ogv videos with sound just fine from Gnome Sound
> Recorder and Totem Movie Player.
>
> My preferred sound device is a Plantronics .Audio 646 DSP usb headset.
> I have also tried plugging in a set of Apple ear buds to the
> traditional sound jacks. I do not get any sound from any source when
> attempting to play videos from VLC, Iceweasel, or Epiphany.

(...)

Your preferred sound device is the headset but is your system of the same
opinion? :-)

I think the source of the problem can be what output sound device is
currently handling the system sound: the embedded sound card or your USB
headset which is detected by the system as an additional (secondary)
soundcard.

There are some applications (e.g., Ekiga) that allow the user to select
on-the-fly which device to use for getting sound (internal card outputing
to the speakers, USB card outputing to the headset, HDMI outputing to an
sound bar...) but not all apps allow it.

Additional information on how to tweak the order of the devices (and thus
setting your preferred card to be your system's preferred one) can be
found here:

http://wiki.debian.org/ALSA#Troubleshooting

Greetings,

--
Camaleón


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