GNU bug report logs -
#38075
[PATCH] services: mpd: add pulseaudio support
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Reported by: Robert Smith <robertsmith <at> posteo.net>
Date: Tue, 5 Nov 2019 22:58:01 UTC
Severity: normal
Tags: patch
Done: Tobias Geerinckx-Rice <me <at> tobias.gr>
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(Tue, 05 Nov 2019 22:58:02 GMT)
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(Tue, 05 Nov 2019 22:58:02 GMT)
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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
Set the XDG_RUNTIME_PATH environment variable in the mpd service so
that it can detect pulseaudio when run under a user account.
---
gnu/services/audio.scm | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm
index 471c5fd95f..424ccc7c8f 100644
--- a/gnu/services/audio.scm
+++ b/gnu/services/audio.scm
@@ -140,6 +140,12 @@ audio_output {
"--no-daemon"
#$(mpd-config->file config))
#:pid-file #$(mpd-file-name config "pid")
+ #:environment-variables
+ '(#$(string-append
+ "XDG_RUNTIME_DIR=/run/user/"
+ (number->string
+ (passwd:uid
+ (getpwnam (mpd-configuration-user config))))))
#:log-file #$(mpd-file-name config "log")))
(stop #~(make-kill-destructor))))
--
2.23.0
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(Wed, 06 Nov 2019 11:23:01 GMT)
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Message #8 received at 38075 <at> debbugs.gnu.org (full text, mbox):
Hi,
(Cc’ing Leo and Tobias who have been taking care of the mpd package and
service.)
Robert Smith <robertsmith <at> posteo.net> skribis:
> Set the XDG_RUNTIME_PATH environment variable in the mpd service so
> that it can detect pulseaudio when run under a user account.
> ---
> gnu/services/audio.scm | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm
> index 471c5fd95f..424ccc7c8f 100644
> --- a/gnu/services/audio.scm
> +++ b/gnu/services/audio.scm
> @@ -140,6 +140,12 @@ audio_output {
> "--no-daemon"
> #$(mpd-config->file config))
> #:pid-file #$(mpd-file-name config "pid")
> + #:environment-variables
> + '(#$(string-append
> + "XDG_RUNTIME_DIR=/run/user/"
> + (number->string
> + (passwd:uid
> + (getpwnam (mpd-configuration-user config))))))
> #:log-file #$(mpd-file-name config "log")))
I suppose this is meant for the libpulse client library, right? (I’m
surprised it’s not the default, but apparently that’s the way it is.)
Note that this also has an effect on mpd itself from what I can see in
the source: mpd will listen to $XDG_RUNTIME_DIR/mpd/socket instead of
(in addition to?) listening on TCP.
I don’t use mpd myself; could you ensure that the socket change is also
fine and doesn’t cause any troubles for mpd clients?
Thanks,
Ludo’.
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(Wed, 06 Nov 2019 13:33:02 GMT)
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Message #11 received at 38075 <at> debbugs.gnu.org (full text, mbox):
On 06.11.2019 12:22, Ludovic Courtès wrote:
>
> Note that this also has an effect on mpd itself from what I can see in
> the source: mpd will listen to $XDG_RUNTIME_DIR/mpd/socket instead of
> (in addition to?) listening on TCP.
>
> I don’t use mpd myself; could you ensure that the socket change is also
> fine and doesn’t cause any troubles for mpd clients?
I've been using the ncmpcpp client, and the functionality is unchanged.
I can confirm that the mpd still listens to TCP port 6600, the only
difference being that the output is sent to pulseaudio.
-Robert
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(Wed, 06 Nov 2019 18:28:01 GMT)
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Message #14 received at 38075 <at> debbugs.gnu.org (full text, mbox):
On Wed, Nov 06, 2019 at 12:22:29PM +0100, Ludovic Courtès wrote:
> (Cc’ing Leo and Tobias who have been taking care of the mpd package and
> service.)
I haven't been using the MPD service so I don't really have an opinion
on this patch. Starting it "by hand", the pulse output works for me
already. But it would be great if our service worked "out of the box"
with Pulseaudio.
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(Wed, 06 Nov 2019 23:55:01 GMT)
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Message #17 received at 38075 <at> debbugs.gnu.org (full text, mbox):
On 06.11.2019 19:27, Leo Famulari wrote:
> I haven't been using the MPD service so I don't really have an opinion
> on this patch. Starting it "by hand", the pulse output works for me
> already. But it would be great if our service worked "out of the box"
> with Pulseaudio.
I'm not sure how common my use case is (running mpd locally under
my own user account) but since we are supporting the pulse output
mode in the service configuration, I think we need to make sure that
it works. Currently when the mpd service is started under my account
with the pulse output, it fails to connect to pulse because of the
missing environment variable, and defaults to alsa. This is unfortunate
because the whole point of using pulse for me is to make sure
different apps "play nicely" with each other when playing audio.
Thankfully this is a relatively simple fix.
I also installed the sonata client to make sure that other clients
weren't acting funny, and everything seems normal!
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(Fri, 08 Nov 2019 19:54:02 GMT)
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Message #20 received at 38075 <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
Peter [CC'd],
I see that you added the Guix MPD service in 2017, and wrote then
that it ‘uses pulseaudio for output’[0]. Do you have an opinion
on this patch[1]? Did something change?
Kind regards,
T G-R
[0]: http://guix.gnu.org/manual/en/html_node/Audio-Services.html
[1]: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=38075
Ludovic Courtès 写道:
> Robert Smith <robertsmith <at> posteo.net> skribis:
>
>> Set the XDG_RUNTIME_PATH environment variable in the mpd
>> service so
>> that it can detect pulseaudio when run under a user account.
>> ---
>> gnu/services/audio.scm | 6 ++++++
>> 1 file changed, 6 insertions(+)
>>
>> diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm
>> index 471c5fd95f..424ccc7c8f 100644
>> --- a/gnu/services/audio.scm
>> +++ b/gnu/services/audio.scm
>> @@ -140,6 +140,12 @@ audio_output {
>> "--no-daemon"
>> #$(mpd-config->file config))
>> #:pid-file #$(mpd-file-name config "pid")
>> + #:environment-variables
>> + '(#$(string-append
>> + "XDG_RUNTIME_DIR=/run/user/"
>> + (number->string
>> + (passwd:uid
>> + (getpwnam (mpd-configuration-user
>> config))))))
>> #:log-file #$(mpd-file-name config "log")))
>
> I suppose this is meant for the libpulse client library, right?
> (I’m
> surprised it’s not the default, but apparently that’s the way it
> is.)
>
> Note that this also has an effect on mpd itself from what I can
> see in
> the source: mpd will listen to $XDG_RUNTIME_DIR/mpd/socket
> instead of
> (in addition to?) listening on TCP.
>
> I don’t use mpd myself; could you ensure that the socket change
> is also
> fine and doesn’t cause any troubles for mpd clients?
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(Fri, 08 Nov 2019 20:29:01 GMT)
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Message #23 received at 38075 <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
Hi Tobias,
Unfortunately I don't use mpd anymore and I don't have a good understanding
of how it works anymore.
Cheers,
Peter Mikkelsen
fre. 8. nov. 2019 20.53 skrev Tobias Geerinckx-Rice <me <at> tobias.gr>:
> Peter [CC'd],
>
> I see that you added the Guix MPD service in 2017, and wrote then
> that it ‘uses pulseaudio for output’[0]. Do you have an opinion
> on this patch[1]? Did something change?
>
> Kind regards,
>
> T G-R
>
> [0]: http://guix.gnu.org/manual/en/html_node/Audio-Services.html
> [1]: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=38075
>
> Ludovic Courtès 写道:
> > Robert Smith <robertsmith <at> posteo.net> skribis:
> >
> >> Set the XDG_RUNTIME_PATH environment variable in the mpd
> >> service so
> >> that it can detect pulseaudio when run under a user account.
> >> ---
> >> gnu/services/audio.scm | 6 ++++++
> >> 1 file changed, 6 insertions(+)
> >>
> >> diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm
> >> index 471c5fd95f..424ccc7c8f 100644
> >> --- a/gnu/services/audio.scm
> >> +++ b/gnu/services/audio.scm
> >> @@ -140,6 +140,12 @@ audio_output {
> >> "--no-daemon"
> >> #$(mpd-config->file config))
> >> #:pid-file #$(mpd-file-name config "pid")
> >> + #:environment-variables
> >> + '(#$(string-append
> >> + "XDG_RUNTIME_DIR=/run/user/"
> >> + (number->string
> >> + (passwd:uid
> >> + (getpwnam (mpd-configuration-user
> >> config))))))
> >> #:log-file #$(mpd-file-name config "log")))
> >
> > I suppose this is meant for the libpulse client library, right?
> > (I’m
> > surprised it’s not the default, but apparently that’s the way it
> > is.)
> >
> > Note that this also has an effect on mpd itself from what I can
> > see in
> > the source: mpd will listen to $XDG_RUNTIME_DIR/mpd/socket
> > instead of
> > (in addition to?) listening on TCP.
> >
> > I don’t use mpd myself; could you ensure that the socket change
> > is also
> > fine and doesn’t cause any troubles for mpd clients?
>
[Message part 2 (text/html, inline)]
Reply sent
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Tobias Geerinckx-Rice <me <at> tobias.gr>
:
You have taken responsibility.
(Fri, 08 Nov 2019 20:36:01 GMT)
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bug acknowledged by developer.
(Fri, 08 Nov 2019 20:36:02 GMT)
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Message #28 received at 38075-done <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
Robert,
Thanks for the patch!
Robert Smith 写道:
> + #:environment-variables
> + '(#$(string-append
> + "XDG_RUNTIME_DIR=/run/user/"
> + (number->string
> + (passwd:uid
> + (getpwnam (mpd-configuration-user
> config))))))
Like Ludo', I'm surprised this isn't the default. My XDG-foo is
weak, though.
Your patch failed to break my set-up (better luck next time) so
I've pushed it as 970cb5ceceaa85765230a9f896a43783cdcb4e6c with
the following tweaks:
- Adjusted the commit message to follow the GNU change log
standards & Guix's conventions
- Promoted your commenty commit message to first-class comment
- Removed a trailing space after ‘passwd:uid’ (git diff/show/…
should highlight this)
Kind regards,
T G-R
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bug archived.
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This bug report was last modified 4 years and 140 days ago.
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