Just quickly (and I will look into it further) but I think what you are looking for is the mkv metadata if it just says default that is not a language. If you open the file in mkv merge or similar program highlight the subs track and you will be able to change the language for the track to what it actually is. If you do this we will be able to see it as a defined language. (Had a big day today beer and good cheer) If this isn't what you are asking (and it may not be as my eyes are a bit crossed at the moment). Let me know and i will give you a step by step.
Roku Selecting Audio and Subtitle Tracks
Posted 25 December 2013 - 06:50 PM
Posted 26 December 2013 - 04:18 AM
Well, I installed Mkvmerge, and was able to add in the language titles. I can now see which audio and sub track is which.
But there is still a problem: the subs still do not display, even after being selected. They don't display on the Roku nor the web client.They DO display when I play the video in VLC though, so I know they're there.
Audio seems to play fine though.
Posted 26 December 2013 - 08:36 PM
what is the format of the sub file?
On the Blurays it's PGS. Whether Handbrake changes the format when adding them into the newly created MKV, I do not know. Iow, I do not know what format subtitle MB is having trouble displaying.
Sent from my Nexus 7
Posted 26 December 2013 - 08:24 PM
Ya I am not sure if handbrake does anything to them but I can render pgs subs on my system from either mkv or folder rip or iso.
Can you please show me the media info for an item that the subs do not work on.
(use the last method mentioned)
Posted 27 December 2013 - 09:38 PM
Clean ffmpeg log:
Clean server log:
I have also checked playing the Bluray file from my HDD using MB. When I do that, the subs display fine. So something is being changed during the conversion to mkv.
Now, I was reading the AVS forum this morning, and there was a thread about PowerDVD v13. Someone was having an issue getting subs to display in mkv files. A poster said something about subs in mkv files made from Blurays defaulted to using "zlib compression", and that unchecking that option when creating the mkv should alleviate that issue.
So I'm wondering whether MB3 can handle subs compressed that way? Just grasping at straws here.
Edit: I made two new, mkv files from one of my problem Blurays. One file set to use "none" under compression for the subs, and another file set to use "zlib" compression. MB was able to display the subs from both files, so I guess it's not an issue specific to mkv. It must have something to do with using Handbrake to make the mkv's. I'd like to continue using it as it saves a ton of hdd space.
Handbrake has no setting specific to the subs, other than to include a track or not. So unless this issue can be identified (and "fixed" in MB), I'll be stuck without subs when using MB3.
I'm also wondering if this thread should be moved since it is not a Roku issue.
Edited by leebo, 27 December 2013 - 04:43 PM.
Posted 27 December 2013 - 08:44 PM
Nope. We are rendering the subs the problem is we are rendering them off the screen the sub canvas is 1920x804 while the video is getting converted to 1280x536. for some reason the canvas scale of the subs is not getting changed (the code is there to do it it is just not working for some reason). Can you please confirm this by playing back @ 1080p
Posted 27 December 2013 - 08:51 PM
Posted 27 December 2013 - 09:07 PM
Nope. I tried 1080P and 1080P+. Neither displayed subs.
My system is an AMD Phenom 2 X4 945 Ghz (4 core) with 8 gigs Ram.
I am not noticing 15fps though. Usually I can see if the frame rate is that low, but it looks smooth to me. The only playback issue I see is when using the web browser and changing audio or subtitle tracks, ther movie stops for a couple of secs, resumes, pauses again, resumes, etc. But if I play from the begining and don't change anything, it seems to play smooth.
Posted 27 December 2013 - 09:10 PM
Can I please see the ffmpeg logs for the 1080p+ and 1080p playbacks thanks.
Without subs it is likely it will playback smoothly but with subs we are actually encoding 2 video streams into 1 so the fps will likely be diff between the two.
Edited by Tikuf, 27 December 2013 - 07:10 PM.
Posted 27 December 2013 - 09:32 PM
Well, I can't tell which log files are which, so I'm linking the most recent ones.
But regardless, how does this relate to my playback issue on the Roku? Isn't it playing back there at 1920X1080?
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