* Sound
@ 2005-02-16 9:56 Gijs
2005-02-16 20:52 ` Sound Eli Zaretskii
2005-02-17 10:20 ` sound Gijs
0 siblings, 2 replies; 4+ messages in thread
From: Gijs @ 2005-02-16 9:56 UTC (permalink / raw)
Hello!
This Emacs runs on an i810 (audio etcetera) chipset. This (Debian)
Emacs 21.3 refuses to play a 'wav' file. Stubborn!?
play-sound-file file.wav gives 'Could not set sound format'
But (for example)
Welcome to the Emacs shell
~ $ play file.wav
works
Why!? Does Emacs handle sound by its own, bypassing the OS?
Thanks
Gijs
--
Cat, n.:
Lapwarmer with built-in buzzer.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Sound
2005-02-16 9:56 Sound Gijs
@ 2005-02-16 20:52 ` Eli Zaretskii
2005-02-17 10:20 ` sound Gijs
1 sibling, 0 replies; 4+ messages in thread
From: Eli Zaretskii @ 2005-02-16 20:52 UTC (permalink / raw)
> From: Gijs <gijs@afake-address.tv>
> Date: Wed, 16 Feb 2005 10:56:20 +0100
>
> But (for example)
> Welcome to the Emacs shell
> ~ $ play file.wav
>
> works
>
> Why!? Does Emacs handle sound by its own, bypassing the OS?
I don't know what you meant by ``bypassing the OS''. Emacs uses the
OS interface to the sound device (ioctl, write, etc. system calls),
but if you were asking whether it calls the `play' utility internally,
then no, it doesn't. However, the system calls Emacs issues to play
the sound are supposed to be the equivalent of what `play' does.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: sound
2005-02-16 9:56 Sound Gijs
2005-02-16 20:52 ` Sound Eli Zaretskii
@ 2005-02-17 10:20 ` Gijs
2005-02-18 16:53 ` sound Eli Zaretskii
1 sibling, 1 reply; 4+ messages in thread
From: Gijs @ 2005-02-17 10:20 UTC (permalink / raw)
Eli Zaretskii writes:
>> From: Gijs <gijs@afake-address.tv>
>> Date: Wed, 16 Feb 2005 10:56:20 +0100
>>
>> But (for example)
>> Welcome to the Emacs shell
>> ~ $ play file.wav
>>
>> works
>>
>> Why!? Does Emacs handle sound by its own, bypassing the OS?
>I don't know what you meant by ``bypassing the OS''. Emacs uses the
>OS interface to the sound device (ioctl, write, etc. system calls),
>but if you were asking whether it calls the `play' utility internally,
>then no, it doesn't. However, the system calls Emacs issues to play
>the sound are supposed to be the equivalent of what `play' does.
Thanks Eli,
Rephrasing the question, any idea of why this (Debian) emacs won't
play this sound file?
Regards
Gijs
--
Why don't you ever enter any CONTESTS, Marvin?? Don't you know your
own ZIPCODE?
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: sound
2005-02-17 10:20 ` sound Gijs
@ 2005-02-18 16:53 ` Eli Zaretskii
0 siblings, 0 replies; 4+ messages in thread
From: Eli Zaretskii @ 2005-02-18 16:53 UTC (permalink / raw)
> From: Gijs <gijs@dontwatch.tv>
> Date: Thu, 17 Feb 2005 11:20:32 +0100
>
> Rephrasing the question, any idea of why this (Debian) emacs won't
> play this sound file?
No idea here. Perhaps you could use the strace utility to find out
what system calls are issued by `play' and by Emacs, and what is the
difference between them.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2005-02-18 16:53 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2005-02-16 9:56 Sound Gijs
2005-02-16 20:52 ` Sound Eli Zaretskii
2005-02-17 10:20 ` sound Gijs
2005-02-18 16:53 ` sound Eli Zaretskii
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