High Cpu use with subtitles

Dev Community Apps & Creations
1

Hello

 

First of all. Great work with PlexConnect. Now I don't have to handbrake all MKVs to iTunes content anymore. Saving a lot of time and computer power. 

 

Everything runs smoothly, but when I activate subtitles the fan go nuts after 5 min. or so. This only happens with MKVs and not Mp4/Mv4. When I look under "activity monitor" this "plex new transcoder" shows this WITHOUT subtitles.

![post-206401-0-10745900-1389529033.png|665x500](upload://5OuxYDYMjvj8rS7HncvGRDXqWG.png)

 

Then when i use subtitles I get these activities.

![post-206401-0-30001400-1389528972.png|673x500](upload://nkUEesVJgfRoIuERs3OOyBgE1KC.png)

 

How can CPU usage go from between 30-50 % to 300-350 % just because of use of subtitles.

 

When I run mv4 files this don't happened.

 

I need subtitles so what options do I have?

Are this going to be fixed?

What other options do I have?

 

My specs are

Macbook air mid 2012, with 1,8GHz i5

4 gb ram

Newest OS X

 

Apple TV 3

 

PMS 0.9.8.18.290

 

Latest PlexConnect

 

Thank you in advance for help

 

2

Without subtitles you most likely "direct stream" - only swap the container.

The subtitles get burned in to the video stream - PMS decodes the movie, adds the text, encodes it again...

m4v subtitles - if internal, they get overlaid by aTV, so PMS transcoder doesn't need to do anything.

Option: wait a bit longer, I am working to implement a subtitle renderer...

3

I would like to know how you get subtitles to work with m4v/mp4 files? I can only get the subtitles to work on m4v/mp4 if the transcoder is set to direct play. But then the movie skips. I am also seeing max CPU when using subtitles with mkv files. I am glad to here you have something in the works. Love plexconnect and you have done a great job developing it.

Using synology 1513+
Latest plexconnect 0.3-1
Apple TV 3


Thanks for your help
Jonathan


Sent from my iPhone using Tapatalk

4

I would like to know how you get subtitles to work with m4v/mp4 files? I can only get the subtitles to work on m4v/mp4 if the transcoder is set to direct play. But then the movie skips. I am also seeing max CPU when using subtitles with mkv files. I am glad to here you have something in the works. Love plexconnect and you have done a great job developing it.

Using synology 1513+
Latest plexconnect 0.3-1
Apple TV 3


Thanks for your help
Jonathan


Sent from my iPhone using Tapatalk

Check you have the latest PMS as i believe there are a number of fixes that have gone out related to subs.

5

Without subtitles you most likely "direct stream" - only swap the container.
The subtitles get burned in to the video stream - PMS decodes the movie, adds the text, encodes it again...
 
m4v subtitles - if internal, they get overlaid by aTV, so PMS transcoder doesn't need to do anything.
 
Option: wait a bit longer, I am working to implement a subtitle renderer...


Sounds awesome. Not to be unpaintient ;-), but do you think this is ready?
6

>> but do you think this is ready?

No, I don't think it's ready. Otherwise it would already be publicly available on github... :-D

7

>> but do you think this is ready?
No, I don't think it's ready. Otherwise it would already be publicly available on github... :-D


Hehe. Ment instead.

Sounds awesome. Not to be unpaintient ;-), but WHEN do you think this is ready?
8



My pms is version 0.9.8.175-88ffbb2. DSM 4.3 The package center on my synology 1513+ says this package is up to date. Is there somewhere I can get the latest version of PMS for synology?

Thanks
Jonathan



Sent from my iPhone using Tapatalk

9

My pms is version 0.9.8.175-88ffbb2. DSM 4.3 The package center on my synology 1513+ says this package is up to date. Is there somewhere I can get the latest version of PMS for synology?

Thanks
Jonathan



Sent from my iPhone using Tapatalk

The downloads page ;)

https://plex.tv/downloads

10

I would like to know how you get subtitles to work with m4v/mp4 files? I can only get the subtitles to work on m4v/mp4 if the transcoder is set to direct play. But then the movie skips. I am also seeing max CPU when using subtitles with mkv files. I am glad to here you have something in the works. Love plexconnect and you have done a great job developing it.

Using synology 1513+
Latest plexconnect 0.3-1
Apple TV 3


Thanks for your help
Jonathan


Sent from my iPhone using Tapatalk

This is how I solved it for myself.  I'm running on a DS1512+

https://forums.plex.tv/topic/90361-trying-to-direct-stream-mp4-with-embedded-subtitles/?p=525662

11



Awesome! Thanks. I’ll get it updated and let you know if it fixes the subtitles on m4v/mp4 files.

12

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