More > JRiver Media Center 22 for Windows
New MC22 feature: Play album from memory?
JimH:
Let's not get into a debate about PC internals, etc. We're going to implement playback from memory for larger files and lists of files. Give us a week or so and then we'll be able to tell you more.
millst:
Is "larger" defined yet?
-tm
amsco15:
Is DLNA play affected by this feature at all?
JimH:
No.
dtc:
I have been experimenting with this and it does not work as I expected. It seems like it just loads one track at a time. I have not done any sophisticated analysis, just watching memory and CPU use with Task Manager. It looks like it loads one track to start. Then, for the second track the memory usage drops during the last few seconds of the first track and then starts building again while the second track starts playing. It takes about 10 seconds on my admittedly slow system to get to a a steady memory usage and there is significant CPU usage during that time. After about 10 seconds, the CPU usage drops back down and the memory usage then stays throughout the rest of the track. Then the process starts up again. Task manager shows less than 50% of memory in use. During the build up in memory usage at the beginning of each track I occasionally hear small glitches in the sound. There is very little else running on the system. Given the extra memory available I would have expected more than one track to load at a time. I have tried with and without the Load Files to Memory at Start of Playback checked and it does not seem to make any difference. This test was done with a 192/24 flac album on a 2.0 usb drive.
It would be nice to get some more information about how the loading happens and if there are any settings (like pre-buffering) that might affect the process. Also, just what is the logic that determines how much memory to use - it seems like it just loads one track at a time.
As I have said before, it seems like there should be options like specifying the amount of memory to dedicate to use and to force the load process to happen during silence. I am assuming that it can load a full track in much less than 10 seconds. I would hope it can do so in 2 or 3 seconds. Without that, I am afraid I will continue to get glitches.
I can try it on a faster system, but it would be nice to know just what the process is doing and what to expect before I do that.
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