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JRiver Media Center 24.0.75 for Mac -- Available Here
dfortney:
--- Quote from: bob on February 16, 2019, 09:34:50 am ---MC is reading/writing to the drive pretty often especially if you have Media Network enabled, I wonder if that is preventing the disk from sleeping?
You might need to have the computer go to sleep if you want to leave MC up as opposed to just the disk
--- End quote ---
Not sure I understand you. The computer does go to sleep just not the disk even though the computer is set to put the disks to sleep. There is no music playing anywhere so not sure why it would need to constantly write to the disk. Is there a way to turn that behavior off and still have a music server? Seems unnecessarily wasteful.
bob:
--- Quote from: dfortney on February 16, 2019, 10:07:41 am ---Not sure I understand you. The computer does go to sleep just not the disk even though the computer is set to put the disks to sleep. There is no music playing anywhere so not sure why it would need to constantly write to the disk. Is there a way to turn that behavior off and still have a music server? Seems unnecessarily wasteful.
--- End quote ---
If the computer is sleeping I don't see how the disk can not sleep.
Seems like that would mean that either the computer is not sleeping, just blanking the screen OR the disk isn't responding to the sleep command.
dfortney:
Sounds semantic to me. I'm not sure how macOs actually handles 'sleep' under the hood but when I say the computer is sleeping I mean it shuts the external monitor off and enters a low power state, lower power consumption then when it is 'awake'. I get a 50 watt pull from the computer and the disk and monitor total when the computer appears asleep but the disk is still awake. power mgmt is set to sleep the disks 10 minutes after the computer shuts the screen. if media server isn't running in the task bar it will then drop to 7 watts. With the monitor on and the laptop 'awake' it reads 80 watts.
dfortney:
Been testing different setups and it appears to essentially block sleep not when the Media Server is running per-say but if any Media Client (could be invisible because the Media Server is not showing it) or a normal dock icon or normal visible Media Center client is in the pause state of a song. If you hit Stop then it will still sleep even if the server is running. So it is the paused play that prevents sleep and I don't believe it is blocking sleep of the disk as bob alluded to but possibly blocking the computer itself from going further into sleep then just turning the displays off. Of course if the computer is blocked from sleep then perhaps the disk is also being blocked which might explain the 50 watts. Guessing 40 of those is by the disk and another 10 for the laptop itself but that's just a guess.
So the problem here boils down to Media Center not releasing core audio I believe during a music pause. The open core audio session appears to be what is directly blocking the computer from sleep any deeper than just turning off the display. Therefore I would like to request that Media Center close it's coreaudio session during pause in the same way it does during a stop thus allowing the computer to sleep properly. The media keys only have play/pause button not stop so having to remember some obscure hotkey to stop the music doesn't seem realistic for the average user and without that no one who uses Media Center via the media keys computer is ever really put to sleep. That's a huge and silent waste across most likely the majority of Media Center users systems.
I've paid for the next upgrade. I've paid for the last 6 or so upgrades. Please would you consider this one feature/fix request to tear down your core audio session not only on stop but also on pause. If that seems too heavy for whatever reason maybe even an audio option for 'release audio session during pause' or 'stop audio after X minutes of pause' or 'allow computer to sleep during pause' or something like that?
This would easily save me a good 1000 watt hours every day ($5 a month) from my electric bill for the time i'm either sleeping or away from the computer at work or not listening to music but still need the server to be available.
bob:
--- Quote from: dfortney on February 17, 2019, 02:02:45 pm ---Been testing different setups and it appears to essentially block sleep not when the Media Server is running per-say but if any Media Client (could be invisible because the Media Server is not showing it) or a normal dock icon or normal visible Media Center client is in the pause state of a song. If you hit Stop then it will still sleep even if the server is running. So it is the paused play that prevents sleep and I don't believe it is blocking sleep of the disk as bob alluded to but possibly blocking the computer itself from going further into sleep then just turning the displays off. Of course if the computer is blocked from sleep then perhaps the disk is also being blocked which might explain the 50 watts. Guessing 40 of those is by the disk and another 10 for the laptop itself but that's just a guess.
So the problem here boils down to Media Center not releasing core audio I believe during a music pause. The open core audio session appears to be what is directly blocking the computer from sleep any deeper than just turning off the display. Therefore I would like to request that Media Center close it's coreaudio session during pause in the same way it does during a stop thus allowing the computer to sleep properly. The media keys only have play/pause button not stop so having to remember some obscure hotkey to stop the music doesn't seem realistic for the average user and without that no one who uses Media Center via the media keys computer is ever really put to sleep. That's a huge and silent waste across most likely the majority of Media Center users systems.
I've paid for the next upgrade. I've paid for the last 6 or so upgrades. Please would you consider this one feature/fix request to tear down your core audio session not only on stop but also on pause. If that seems too heavy for whatever reason maybe even an audio option for 'release audio session during pause' or 'stop audio after X minutes of pause' or 'allow computer to sleep during pause' or something like that?
This would easily save me a good 1000 watt hours every day ($5 a month) from my electric bill for the time i'm either sleeping or away from the computer at work or not listening to music but still need the server to be available.
--- End quote ---
Good work tracking that down.
Pause really is just that it doesn't close the audio device. Perhaps an option there would be useful or a timeout on the pause that when reached closes the device.
There are several good reasons why the device shouldn't be closed on a pause, amongst them audible clicking for some devices when the device is stopped and restarted
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