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98% CPU load after from Samsung TV

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Uran255

Serviio newbie

Posts: 19

Joined: Thu Dec 26, 2019 6:45 pm

Post Fri Dec 27, 2019 4:25 pm

98% CPU load after from Samsung TV

After i have streamed a video with serviio DLNA i keep having 98% CPU load from ffmpeg(2.7.1 Intel SMD included in Serviio) on my Synology DS214play. I have tried many things including hard reset of the synology box.
Last edited by Uran255 on Fri Dec 27, 2019 4:40 pm, edited 2 times in total.
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Uran255

Serviio newbie

Posts: 19

Joined: Thu Dec 26, 2019 6:45 pm

Post Fri Dec 27, 2019 4:27 pm

Re: 100% CPU after after from TV

screenshot of the processes and the cpu load
Attachments
ds214p after serviio.PNG
100%cpu
ds214p after serviio.PNG (213.05 KiB) Viewed 275 times
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Uran255

Serviio newbie

Posts: 19

Joined: Thu Dec 26, 2019 6:45 pm

Post Sat Dec 28, 2019 9:35 am

Re: 98% CPU load after from Samsung TV

stopping and starting the serviio server put the load back at 5-10% it seems like a bug in ffmpeg, some kind of endless loop.
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Uran255

Serviio newbie

Posts: 19

Joined: Thu Dec 26, 2019 6:45 pm

Post Sat Dec 28, 2019 4:29 pm

Re: 98% CPU load after from Samsung TV

looks like the issue has been fixed, now it will return to normal load after some time.
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atc98092

User avatar

DLNA master

Posts: 3547

Joined: Fri Aug 17, 2012 10:22 pm

Location: Washington (the state)

Post Sun Dec 29, 2019 3:42 am

Re: 98% CPU load after from Samsung TV

FFMPEG only runs when media requires transcoding. If it is only audio, CPU load usually is insignificant. However, video transcoding will almost always max out the CPU, regardless of the power available. The main difference is a faster CPU will complete the transcoding faster, and therefore FFMPEG will close well before the video has been completely watched. However, if the CPU can't keep up with transcoding, as can happen with lower powered NAS devices or computers, it might not be able to transcode as quickly as the video is being watched, which causes pauses/buffering.

I wouldn't worry about the CPU load, if your NAS device is powerful enough to keep up. If the NAS can't keep up, I would suggest either using a player that supports your media (such as the Nvidia Shield, which can play almost anything) or convert your media into something your existing player (TV) supports.

Again, if only the audio needs transcoding, you shouldn't be seeing that sort of CPU load. But if the profile you're using is causing unnecessary transcoding of the video, then you need a better profile. I believe we're already working on that for you.
Dan

Samsung NU7100 4K TV, Samsung JU7100 4K TV, Sony BDP-S3500, Sharp 4K Roku TV, Insignia Roku TV, Roku 4, Ultra and Stick, Nvidia Shield, Yamaha RX-V583 AVR.
Primary server: Intel i5-6400, 8 gig ram, Windows 10 Pro, 18 TB hard drive space | Test server Windows 10 Pro, AMD Phenom II X4 965, 8 gig ram

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