On Sat, Jul 17, 2010 at 18:41:35 -0500, Ron Johnson wrote:
> On 07/17/2010 05:57 PM, Camaleón wrote:
> >On Sat, 17 Jul 2010 17:13:35 -0500, Ron Johnson wrote:
> >
> >>On 07/17/2010 04:30 PM, Camaleón wrote:
> >
> >>>Run "alsamixer" and check the volume for all the channels :-?
> >>>
> >>>
> >>First thing I did.
> >>
> >>Note, though, that for USB Audio there are only three channels: Bass,
> >>Treble, PCM.
> >>
> >>No "Master". That may very well be the problem, but I don't know what
> >>to do about it.
> >
> >Yep, but having no master channel should also make no sound for the rest
> >of the applications and not just Icewasel :-?
> >
> >It's quite bizarre...
> >
> >Wait, is the USB device a headset or an external sound card?
>
> Speakers. But effectively big headsets.
>
> > I say that
> >beacuse of this:
> >
> >http://www.google.com/webhp?hl=en#hl=en&q=firefox+flash+headset+sound+li nux&fp=6c67857170793776
> >
>
> They all reference asoundconf which has apparently been deprecated
> for PA.
>
> >Maybe is not just Flash the only app having no sound in Iceweasel.
> >
>
> MP3s play just fine.
Knowing which audio devices are grabbed by which processes might shed
some light on the situation; I would be interested to see the output of
lsof +c0 $(find /dev/ -group audio)
both when flashplayer tries and fails to play sound and when other
plugins of iceweasel do so successfully.
Another test would be if killing the pulseaudio daemon makes the sound
devices accessible to flashplayer.
Also, which value of ICEWEASEL_DSP is set in /etc/iceweasel/iceweaselrc?
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Regards, |
Florian |
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07-18-2010, 11:03 AM
Justin The Cynical
No sound from Flash, but other methods work well
On 7/17/10 11:02 AM, Ron Johnson wrote:
> Hi,
>
> My Google-fu must not be up to snuff, because I've Googled much without
> any luck.
>
> USB Audio
> 32-bit Sid
> ALSA 1.0.23+dfsg-1
> Flash 10.1r53 (from adobe.com)
> Iceweasel 3.6.4-1 (experimental)
> vlc 1.1.0
> users are in group audio
>
> Sound plays fine from local sources but not from Flash/Iceweasel. (Yes,
> Flash *video* works.)
>
> Any thoughts on how to solve this would be much appreciated, since
> otherwise my wife will insist on moving back to Windows.
IIRC, I had this problem on an old Linux install I was using for MythTV,
and it did come down to a lack of OSS support with the installed ALSA.
(And I googled for 'linux flash sound' and that was the first hit :-) )
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07-18-2010, 01:21 PM
Ron Johnson
No sound from Flash, but other methods work well
On 07/18/2010 06:03 AM, Justin The Cynical wrote:
[snip]
On Sat, 17 Jul 2010 18:41:35 -0500, Ron Johnson wrote:
> On 07/17/2010 05:57 PM, Camaleón wrote:
>> Wait, is the USB device a headset or an external sound card?
>
> Speakers. But effectively big headsets.
>
>> I say that
>> beacuse of this:
>>
>> http://www.google.com/webhp?hl=en#hl=en&q=firefox+flash+headset+sound
+linux&fp=6c67857170793776
>>
>>
> They all reference asoundconf which has apparently been deprecated for
> PA.
Uh? No, there are many reports about flash outputing sound to the wrong
audio device, even using PA:
>> Maybe is not just Flash the only app having no sound in Iceweasel.
>>
>>
> MP3s play just fine.
Then the problem is just affecting flash plugin within Iceweasel. I'd
follow the suggestions made by Florian.
Mmm... have you tested with another browser (i.e., Epiphany,
Konqueror...)?
Greetings,
--
Camaleón
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07-18-2010, 05:44 PM
Ron Johnson
No sound from Flash, but other methods work well
On 07/18/2010 03:54 AM, Florian Kulzer wrote:
On Sat, Jul 17, 2010 at 18:41:35 -0500, Ron Johnson wrote:
On 07/17/2010 05:57 PM, Camaleón wrote:
On Sat, 17 Jul 2010 17:13:35 -0500, Ron Johnson wrote:
On 07/17/2010 04:30 PM, Camaleón wrote:
Run "alsamixer" and check the volume for all the channels :-?
First thing I did.
Note, though, that for USB Audio there are only three channels: Bass,
Treble, PCM.
No "Master". That may very well be the problem, but I don't know what
to do about it.
Yep, but having no master channel should also make no sound for the rest
of the applications and not just Icewasel :-?
It's quite bizarre...
Wait, is the USB device a headset or an external sound card?
On Sun, Jul 18, 2010 at 12:44:10 -0500, Ron Johnson wrote:
> On 07/18/2010 03:54 AM, Florian Kulzer wrote:
> >On Sat, Jul 17, 2010 at 18:41:35 -0500, Ron Johnson wrote:
> >>On 07/17/2010 05:57 PM, Camaleón wrote:
> >>>On Sat, 17 Jul 2010 17:13:35 -0500, Ron Johnson wrote:
> >>>>On 07/17/2010 04:30 PM, Camaleón wrote:
> >>>
> >>>>>Run "alsamixer" and check the volume for all the channels :-?
> >>>>>
> >>>>>
> >>>>First thing I did.
> >>>>
> >>>>Note, though, that for USB Audio there are only three channels: Bass,
> >>>>Treble, PCM.
> >>>>
> >>>>No "Master". That may very well be the problem, but I don't know what
> >>>>to do about it.
[...]
> >>>Maybe is not just Flash the only app having no sound in Iceweasel.
> >>>
> >>
> >>MP3s play just fine.
> >
> >Knowing which audio devices are grabbed by which processes might shed
> >some light on the situation; I would be interested to see the output of
> >
> > lsof +c0 $(find /dev/ -group audio)
> >
> >both when flashplayer tries and fails to play sound and when other
> >plugins of iceweasel do so successfully.
> >
>
> Attached are 3 files.
>
> I'm sure it's relevant (and I deeply apologize for forgetting about
> this) that sound only plays *at all* when I've got this ~/.asoundrc
> file:
>
> $ cat .asoundrc
> pcm.!default {
> type hw
> card Device
> }
Strace shows that the plugin does try to access ~/.asoundrc, but I don't
know what it makes of the information in that file. (I don't use
~/.asoundrc at the moment.)
> >Another test would be if killing the pulseaudio daemon makes the sound
> >devices accessible to flashplayer.
>
> I don't use PA.
OK, I misinterpreted your earlier remark about PA.
> >Also, which value of ICEWEASEL_DSP is set in /etc/iceweasel/iceweaselrc?
>
> "none"
That has been working for me for years.
> $ lsof +c0 $(find /dev/ -group audio)
> COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
> mixer_applet2 2193 ron 21r CHR 116,9 0t0 3204 /dev/snd/controlC0
> aqualung 3251 ron mem CHR 116,8 3201 /dev/snd/pcmC0D0p
> aqualung 3251 ron 4r CHR 116,8 0t0 3201 /dev/snd/pcmC0D0p
> $ lsof +c0 $(find /dev/ -group audio)
> COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
> mixer_applet2 2193 ron 21r CHR 116,9 0t0 3204 /dev/snd/controlC0
> $ cat dsp.quiet.txt
> lsof +c0 $(find /dev/ -group audio)
> COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
> mixer_applet2 2193 ron 21r CHR 116,9 0t0 3204 /dev/snd/controlC0
Everything is normal with aqualung, but it looks like flashplayer does
not even try to play audio. On my Sid systems it is not bothered at all
by the fact that kmix has /dev/snd/controlC0 open, it simply uses
/dev/snd/pcmC0D0p and /dev/snd/timer as needed.
Before you break out the big guns, though, you can try to set
ICEWEASEL_DSP to "aoss" (assuming you have "oss-compat" installed), or
maybe installing flashplugin-nonfree-extrasound will help, or switching
from flashplugin-nonfree to flashplayer-mozilla, or vice versa. (I did
not read the entire thread, maybe some of these things were already
suggested.)
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Florian |
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07-18-2010, 09:41 PM
Ralph Katz
No sound from Flash, but other methods work well
On 07/17/2010 02:02 PM, Ron Johnson wrote:
> Sound plays fine from local sources but not from Flash/Iceweasel. (Yes,
> Flash *video* works.)
I sure remember struggling with flash audio issues over the years!
While I am clueless to offer additional hints on possible solutions, I
do have a trusty workaround for many (not all) flash renditions and
confess to using this regularly for playback navigation and speed control:
Pause playback in flashplayer. The file will continue to download.
Launch mplayer, play the file. Enjoy the movie.
ralph@spike ~$ cd /tmp;ls |grep Flash |xargs mplayer
Regards and good luck,
Ralph
P.S. Please cc: on replies as I'm not currently subscribed to d-u.
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No sound from Flash, but other methods work well
