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Old 11-23-2004, 11:58 PM   #1
getric
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Registered: Nov 2004
Posts: 3

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Question No sound when using flash


Hello, I am having a strange problem getting sound output when playing flash files. Tried many things but still no sound.
Here's a rough description of problem and debugging so far:

Firefox flash plugin installed but no sound from flash files.
Other sound player works ok.

Installed the macromedia flash standalone player: gflashplayer
Still no sound, but no error messages.

checked permissions of /dev/dsp /dev/mixer /dev/sound/dsp etc however this couldnt be problem as i can cat to /dev/dsp ok.

test write: cat bigfile >/dev/dsp works.
test read: cat /dev/dsp works.

so then tried: gflashplayer flashfile.swf
then looked at the /proc/PID/fd folder
can see /dev/dsp and /dev/mixer are being used.

then:
strace -Ff ./gflashpayer flashfile.swf 1>log.txt 2>&1
and looking at log.txt I see that /dev/dsp is opened successfully for RDWR
and appears to be writing to it.

But no sound... so I am stuck.

Does flash possibly hav its own internal volume control?

Any suggestions appreciated.

Thanks,
Richard
 
Old 11-24-2004, 01:35 AM   #2
mritch
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Registered: Nov 2003
Location: austria
Distribution: debian
Posts: 667

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be sure flash is set to use your soundsystem (esd, oss, alsa, ...). should be configureable somewhere with mozilla and iirc has been a small problem here in debian once. it also was about thye plugin keeping the output device open when not it use.
google to catch documentation for your distr.

however -havn't installed flash here .. *untested*

sl mritch.
 
Old 11-24-2004, 02:17 AM   #3
getric
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Registered: Nov 2004
Posts: 3

Original Poster
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Im just using oss and it seems to be using that correctly as i can see the flashplayer is accessing /dev/dsp ok.
But doesnt seem to have a configuration setting anyway.
Also cannot set from in Mozilla as it is not a mozilla problem... same thing happens when using the standalone, command line macromedia flash player.
Anything else you can suggest?
Cheers,
Richard
 
Old 11-24-2004, 02:56 AM   #4
mritch
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Registered: Nov 2003
Location: austria
Distribution: debian
Posts: 667

Rep: Reputation: 30
let's see..

[...]
Firefox flash plugin installed but no sound from flash files.
[...]

version? where downloaded? your distribution.

[...]
Other sound player works ok.
[...]

something like cat, play or xmms, i assume.

[...]
so then tried: gflashplayer flashfile.swf
then looked at the /proc/PID/fd folder
can see /dev/dsp and /dev/mixer are being used.
[...]

/dev/mixer unmuted, 100%?
do a procinfo -n (or cat /proc/interrupts) while dsp is in use and see if #irq's raise.

[...]
Does flash possibly hav its own internal volume control?
[...]
no. there may be some kind of compiletime option you can set. speaking with alsa is something other than speaking with oss or esd.

no i-take-care-of-sound daemon installed - just plain oss?

sl mritch.
 
  


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