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Old 25th October 2019, 09:52   #1734  |  Link
r0lZ
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Join Date: Jul 2003
Posts: 7,469
Sorry. I can't understand. I can only repeat:

The 3D-planes are in the MVC stream. If you remux the video, all of them are preserved. If you re-encode the video, they are lost. A 3D-Plane doesn't need to be used by a subtitle stream to exist in the MVC stream (but of course, it's usually the case in original BDs). Several different subtitle streams can use the same 3D-Plane (although it's not frequent in commercial 3DBDs). So, if you remove some subtitle streams, their 3D-Streams will probably be unused, but they are still present in the original MVC video stream. And if you want to mux a new subtitle stream with the original video, you can use any existing 3D-plane, even if it is also used by another subtitle stream.

For an external subtitle stream, I suggest to use the 3D-Plane that is defined originally for the language that is the most similar to the language of your additional stream (with the size of the subtitles in the two streams as similar as possible) to minimize the risk of collisions with the foreground objects.
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