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Server Crashed on 2019 iMac 27" with 64GB ram


mattcaz
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mattcaz

4k  7.1 audio movie streaming from western digital 8TB External MyBook drive over Gigabit ethernet.  Drive can support 220mbit/sec with blackmagic disk speed test.. took forever to start and then crashed the server.

Does Emby Premier fix this choke issue as i don't need all the other stuff premier offers.

 

thanks,
matt caswell

 

Edited by mattcaz
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Happy2Play

Please provide the server an ffmpeg log if present, but sounds like it was trying to transcoding.

 

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mattcaz
Posted (edited)
6 minutes ago, Happy2Play said:

Please provide the server an ffmpeg log if present, but sounds like it was trying to transcoding.

 

The FFMPEG was at 420% thats the blue below.  The video is 7.1 AAC audio and has a bit rate of 45000 kbps in an MKV wrapper.  Is this causing an on the fly transcode? 

I'll read the docs on what other info to provide in the future.

Screen Shot 2021-10-08 at 2.59.50 PM.png

Edited by mattcaz
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Happy2Play
1 minute ago, mattcaz said:

The FFMPEG was at 420% thats the blue below.  The video is 7.1 AAC audio and has a bit rate of 45000 kbps in an MKV wrapper.  Is this causing an on the fly transcode? 

I'll read the docs on what other info to provide in the future.

Screen Shot 2021-10-08 at 2.59.50 PM.png

The server and ffmpeg log will provide the reason why.  We would usually tell you look at the Stats for Nerds menu during playback but since it is crashing you can't really do that.

What exactly do you mean by crashed the server?

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mattcaz

Crashed the server. It died and wouldn't respond anymore. the web page wouldn't load. I had to manually kill the server process to get it to restart and access with the web page.

Server log shows bit rate 45000 and max allowed 35000.  would that force the transcode so if it was below 35000 it might behave.  I understand 4k is between 35k and 45k.

Still looking.

 

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mattcaz

Playing a 1080p 7.1 ACC audio file and it's playing fine cpu is behaving.  So i'm guessing forcing the transcode to knock it down from 45k on the previous file is the issue.

So does premier do anything to the engine to make it faster or does it just add features?

 

thanks for your assistance!

matt

 

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Happy2Play
5 minutes ago, mattcaz said:

Server log shows bit rate 45000 and max allowed 35000.  would that force the transcode so if it was below 35000 it might behave.  I understand 4k is between 35k and 45k.

All we can do is guess without seeing the logs.  But yes it sounds like a exceedingcontainerbitrate and is transcoding to a lower level.

1 minute ago, mattcaz said:

Playing a 1080p 7.1 ACC audio file and it's playing fine cpu is behaving.  So i'm guessing forcing the transcode to knock it down from 45k on the previous file is the issue.

So does premier do anything to the engine to make it faster or does it just add features?

 

thanks for your assistance!

matt

 

Every client has a different possible maxbitrate limit so we are still just guessing here without seeing logs.

Premiere would allow hardware acceleration if your server has the hardware. 

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mattcaz
1 minute ago, Happy2Play said:

All we can do is guess without seeing the logs.  But yes it sounds like a exceedingcontainerbitrate and is transcoding to a lower level.

Every client has a different possible maxbitrate limit so we are still just guessing here without seeing logs.

Premiere would allow hardware acceleration if your server has the hardware. 

So how do I find out if the iMac2019 27" has it?  In OBS it allows 264 hardware and cut the cpu down from 60% to 13% for encoding.

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mattcaz

Your docs don't show that premier support hardware encoding  on the Mac so I guess it's a moot point.

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Happy2Play
Posted (edited)
7 minutes ago, mattcaz said:

Your docs don't show that premier support hardware encoding  on the Mac so I guess it's a moot point.

Devs will have to comment more but they will want to see server and ffmpeg logs also.  With this being a 8th/9th gen i5 processor I would think it would have HWA but they will be able to comment more, but don't know your system specs.

But looking at another topic.

 

Edited by Happy2Play
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mattcaz

Thanks for all your help. I've never used your software before today so I'll keep testing and digging

 

Thanks again,

matt

 

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Happy2Play
1 minute ago, mattcaz said:

Thanks for all your help. I've never used your software before today so I'll keep testing and digging

 

Thanks again,

matt

 

Can you post or pm the ffmpeg log.

It requires Premiere but you may get better result from Emby Theater.

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mattcaz
6 minutes ago, Happy2Play said:

Can you post or pm the ffmpeg log.

It requires Premiere but you may get better result from Emby Theater.

Just PM'd the server, transcode and hardware logs.

 

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Happy2Play

Most of the issue was Auto on the Roku app is limited to 35Mb, had OP change to a quality other then Auto.

@speechlesDoes the Multi-channel AAC/FLAC option affect AAC 7.1 as we are seeing ac3 stereo.

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