Runs HDR but without portuguese subtitles

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wellingtonmsjr
Posts: 3
Joined: Sun Jun 14, 2020 6:46 am

Runs HDR but without portuguese subtitles

Post by wellingtonmsjr »

Hi guys,

I am trying to watch the 4k movies downloaded on the pc via my Philips 50PUG6654 tv and I am having some problems.

I am not able to watch the films with HDR enabled on television with the film subtitled in Portuguese. Whenever the film through the files with "without transcoding", the HDR activates, but the .srt subtitles in Portuguese do not appear on the screen.

When I see it without accessing the transcoding folder, the movie runs with the subtitle, but without HDR enabled.

Any tips?
wellingtonmsjr
Posts: 3
Joined: Sun Jun 14, 2020 6:46 am

Re: Runs HDR but without portuguese subtitles

Post by wellingtonmsjr »

Sorry, i´ve forgot the debug file
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Nadahar
Posts: 1990
Joined: Tue Jun 09, 2015 5:57 pm

Re: Runs HDR but without portuguese subtitles

Post by Nadahar »

I can tell you why this happens, but I can't give you a solution. The reason is that UMS doesn't support HDR when transcoding. When you play the file from the transcoding folder (with no transcoding), the file is sent as-is and the HDR information is kept.

If your renderer supports SRT subtitles, the renderer configuration must be changed so that UMS knows to not transcode the file and send the subtitles "on the side". I don't have much knowledge about the Philips devices, but basically subtitles aren't supported by DLNA. Samsung and Panasonic have made their own "unofficial" workarounds for this, both of which UMS supports. If other brands support either of the two, it will of course work for them too, but they often don't. I have no idea what Philips does.

So, assuming that your renderer/TV doesn't support SRT "on the side", the file has to be transcoded for the subtitles to be "burned in" and become a part of the video stream. The only way this can happen in to discard the HDR information.

I don't know if it's currently possible to transcode with HDR support - it depends on the underlying tools used (FFmpeg, MEncoder etc.). If it's supported by these, it should be possible if somebody puts in the time to make the code necessary to make UMS do it.
wellingtonmsjr
Posts: 3
Joined: Sun Jun 14, 2020 6:46 am

Re: Runs HDR but without portuguese subtitles

Post by wellingtonmsjr »

I believe that my TV has support for the subtitle subrip, I can see the movies through a pendrive with HDR enabled and subtitles, but through DLNA only movies with the embedded subtitle are working.

I didn't know that subtitles were not supported through DLNA.

I believe I have two options, download movies with built-in subtitles and use HDR or watch without HDR with subtitles subrip.
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mik_s
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Re: Runs HDR but without portuguese subtitles

Post by mik_s »

There was no config for this model TV, so the closest match was the Vizio-SmartTV.conf.

There is one for the PUS series so I just copied that and made a couple of changes so it should be used instead.

I don't know the capabilities of either TV but I am hoping that they will be similar enough to give better support for yours.
If you can do some testing to see what works and doesn't it can be tweaked.

copy the file to "C:\Program Files (x86)\Universal Media Server\renderers"
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Nadahar
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Joined: Tue Jun 09, 2015 5:57 pm

Re: Runs HDR but without portuguese subtitles

Post by Nadahar »

wellingtonmsjr wrote: Sun Jun 14, 2020 8:37 am I believe that my TV has support for the subtitle subrip, I can see the movies through a pendrive with HDR enabled and subtitles, but through DLNA only movies with the embedded subtitle are working.
It's not so much if the TV itself understands SRT subtitles, but if it supports one of the "unofficial" ways for the server to inform the renderer that the SRT subtitles exist (and the URL to fetch them). This kind of thing is rarely documented, so one just have to test it.
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