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Subtitles in Gstreamer

Question asked by Stéphane NOBLET on Dec 6, 2018
Latest reply on Dec 10, 2018 by Stéphane NOBLET



I'm trying to use gstreamer to decode 4K video with subtitles.


It work fine with Full HD video (1080p) with the command :

gst-launch-1.0 playbin uri=file:///home/root/Sintel.2010.1080p.mkv


But when I use it on a Ultra HD video (4K), the CPU become overloaded, and the video fail.


I suppose gstreamer try to add subtitle into video without hardware acceleration.


Are those type of issue encountered on I.MX6 ?


Does the gstreamer subtitle with hardware acceleration exists ?