Adding upmpdcli as a client for Logitech Media Server
#21
I felt I had lost some of the great SQ I was getting with MPDv20 alone. Thought to uninstall upmpdcli and noticed in the snakeoil tab that both MPDv20 and upmpdcli were greyed out, suggesting upmpdcli was running even though the player tab showed only MPDv20 selected.

In the player tab, I unselected "enable server", which revealed the Music Clients menu and there was upmpdcli selected as a client. Presumably, I had selected it days ago during a previous test and when I switched to MPDv20 as server (which makes the client menu disappear), I assumed this would disable any clients but that might not be the case.

So I unchecked both enable server and enable client...save, then enabled only MPDv20 and went back to the snakeoil menu. Sure enough upmpdcli was no longer greyed out.

I didn't bother uninstalling it. To my ears, the previously great SQ of MPD alone was already restored. 

I wonder if this is an example of what @hkphantomgtr said "Added upmdcli, even I don't use it, it already deteriorates the sound."
...or AK might tell me upmpdcli was never actually running, in which case I may have imagined it.  Rolleyes
[-] The following 1 user Likes JD1's post:
  • hkphantomgtr
Reply

#22
(24-Nov-2020, 02:59 PM)JD1 Wrote: I felt I had lost some of the great SQ I was getting with MPDv20 alone. Thought to uninstall upmpdcli and noticed in the snakeoil tab that both MPDv20 and upmpdcli were greyed out, suggesting upmpdcli was running even though the player tab showed only MPDv20 selected.

In the player tab, I unselected "enable server", which revealed the Music Clients menu and there was upmpdcli selected as a client. Presumably, I had selected it days ago during a previous test and when I switched to MPDv20 as server (which makes the client menu disappear), I assumed this would disable any clients but that might not be the case.

So I unchecked both enable server and enable client...save, then enabled only MPDv20 and went back to the snakeoil menu. Sure enough upmpdcli was no longer greyed out.

I didn't bother uninstalling it. To my ears, the previously great SQ of MPD alone was already restored. 

I wonder if this is an example of what @hkphantomgtr said "Added upmdcli, even I don't use it, it already deteriorates the sound."
...or AK might tell me upmpdcli was never actually running, in which case I may have imagined it.  Rolleyes

BTW, JD, did u try CPUSet and Priority setting in the SnakeOil tab?
And how is the result of the cyclictest? Smile
Reply

#23
(24-Nov-2020, 03:15 PM)hkphantomgtr Wrote:
(24-Nov-2020, 02:59 PM)JD1 Wrote:  

BTW, JD, did u try CPUSet and Priority setting in the SnakeOil tab?
And how is the result of the cyclictest? Smile

I have CPU3 set to user and I set the single process of "mpd" to 99 (rt).  However, the latter seems to frequently revert so I need to keep checking TOP and when mpd shows at 20 instead of rt, I go back to Snakeoil tab, delete the mpd-99 setting, save and then re-enter it.

Oh and cyclictest results look terrible. Is this normal for a Pi4?


[Image: Screen-Shot-2020-11-24-at-5-52-06-pm.png]
Reply

#24
(24-Nov-2020, 06:15 PM)JD1 Wrote:
(24-Nov-2020, 03:15 PM)hkphantomgtr Wrote:
(24-Nov-2020, 02:59 PM)JD1 Wrote:  

BTW, JD, did u try CPUSet and Priority setting in the SnakeOil tab?
And how is the result of the cyclictest? Smile

I have CPU3 set to user and I set the single process of "mpd" to 99 (rt).  However, the latter seems to frequently revert so I need to keep checking TOP and when mpd shows at 20 instead of rt, I go back to Snakeoil tab, delete the mpd-99 setting, save and then re-enter it.

Oh and cyclictest results look terrible. Is this normal for a Pi4?


[Image: Screen-Shot-2020-11-24-at-5-52-06-pm.png]

I didn't use Pi after my Pi 2+ given to my friend.   So I can't compare your latency value.  Yet I just would like to share that, setting the irq for usb, irq for network and few more processes always appear at the top of "TOP", that would reduce latency and give you better sound.  

BTW, what's the options in the "clocksource" of SnakeOil tab?  hpet, TSC?
Reply

#25
I'm new to Pi. No options for clock. With "normal" mobo/CPU hpet, tsc and another (I think) were available. TSC sounded best in all such previous systems I owned. I would always see the USB irq popping up in the top of TOP and would set it to rt but with this Pi4 and MPD I can't identify any IRQs coming up in TOP.
Reply

#26
(24-Nov-2020, 09:20 PM)JD1 Wrote: I'm new to Pi. No options for clock. With "normal" mobo/CPU hpet, tsc and another (I think) were available. TSC sounded best in all such previous systems I owned. I would always see the USB irq popping up in the top of TOP and would set it to rt but with this Pi4 and MPD I can't identify any IRQs coming up in TOP.

ic.  For the clocksource, in my previous fanless PC, TSC produces more sensational sound for some soft and small scale music, such as a vocal with a piano, or a single instrumental solo.   But the beat "seems quite drifting", esp. when listen to some larger scale music, e.g. orchestral, band sound.   Hpet is reverse.   In terms of latency value, TSC gives very low latency value, it's almost half of hpet in my previous and current fanless pc.  

For the IRQ, may I suggest than you stream and play a DXD file, and watch the "TOP" during playing?  I hope that'll be helpful.   Smile
Reply



Bookmarks

Possibly Related Threads…
Thread Author Replies Views Last Post
  Snakeoil Music server & Snakeoil its own endpoint hkphantomgtr 8 366 17-Feb-2024, 11:20 AM
Last Post: Snoopy8
  O!MPD as MPD client Aldoszx 4 851 20-Jan-2023, 04:07 PM
Last Post: agent_kith
  Linn Songcast receiver; sc2mpd; https://www.lesbonscomptes.com/upmpdcli/index.html irate1 5 1,207 22-Mar-2021, 06:42 PM
Last Post: agent_kith
  Installing Jriver Media Center ravenman 1 1,437 03-May-2020, 09:02 AM
Last Post: agent_kith
  BubbleUPnP Server adds OpenHome Compatibility, improves Chromecast Snoopy8 4 2,029 01-Nov-2019, 06:03 PM
Last Post: Snoopy8



Users browsing this thread:
1 Guest(s)

[-]
Our Sponsors

[-]
Welcome
You have to register before you can post on our site.

Username/Email:


Password:





[-]
Latest Threads
ZimaBoard 2x NIC, 2x SATA, 2x USB, 1x PC...
Last Post: agent_kith
26-Mar-2024 12:04 PM
» Replies: 13
» Views: 626
LMS Upgrade ?
Last Post: uglymusic
15-Mar-2024 09:14 PM
» Replies: 7
» Views: 149
Squeezebox shutdown
Last Post: TripleX
13-Mar-2024 07:34 AM
» Replies: 4
» Views: 71
MP3 Not Playing
Last Post: Coacharnold
10-Mar-2024 10:25 AM
» Replies: 3
» Views: 52
Fail to install myMPD
Last Post: hkphantomgtr
03-Mar-2024 08:45 PM
» Replies: 9
» Views: 195
Intel HFI Driver Can "Save Tons Of CPU C...
Last Post: hkphantomgtr
28-Feb-2024 09:15 PM
» Replies: 0
» Views: 41
Announcing Snakeoil Measurements 1.3.0
Last Post: agent_kith
26-Feb-2024 10:02 PM
» Replies: 94
» Views: 4150
More Problems with Squeezelite in 1.3
Last Post: Coacharnold
17-Feb-2024 09:47 PM
» Replies: 2
» Views: 69
Snakeoil Music server & Snakeoil its own...
Last Post: Snoopy8
17-Feb-2024 11:20 AM
» Replies: 8
» Views: 366
RoonBridge (64 bit only)
Last Post: scrarfussi
15-Feb-2024 08:26 PM
» Replies: 3
» Views: 4126

[-]
SnakeoilOS Mission Statement

Our mission is to create a free to use computer OS that is easy to install, intuitive to operate and play music that will connect and engage with you emotionally.

SnakeoilOS gives you the freedom to spend more time on listening, enjoying and exploring music. Wasting time on computers is now a thing of the past! Everything is constantly evolving/improving. Please check back often for updates.

If you like this project, do show your support with a small token donation. All donations collected will be used to run this website, and for purchasing new equipment for the project.


Powered By MyBB, © 2002-2024. Theme © Melroy van den Berg.