Hello, In the Message; Subject : Re: [oS-EN] ffmpeg versions Message-ID : <5a8f3d6b-ce68-4604-bd31-e30f0c7058a1@telefonica.net> Date & Time: Sat, 1 Mar 2025 13:16:56 +0100 [CER] == "Carlos E. R." <robin.listas@telefonica.net> has written: [...] MN> > In other words, I suspect there is a problem with x265 compression and MN> > that H.265/HEVC video streams are not being stored correctly in mkv. CER> Yes, but when doing these conversions the player no longer uses CER> x265, but x264 or xvid. It appears as if something from the CER> original stream remains in the resulting stream. CER> Unless the problem is the audio, which I did not touch; but the audio plays CER> fine. The computer when running complains that the video CER> decoding takes too long and when it arrives the time slot is CER> gone. I can understand that happening with x265, but not when I CER> converted to x264 or xvid. CER> Of course, the laptop lacks power, it is old (and CER> fanless). Currently I only use it to play videos on the sitting CER> room, connecting an HDMI cable to the room display. It's true that the PC is underpowered, but there seems to be a problem with the x265 codec. The x265 codec is updated frequently, and currently it is libx265.so.215. Anyway, how about examining the mkv file with mkvtoolnix? Best Regards. --- ┏━━┓彡 Masaru Nomiya mail-to: nomiya @ lake.dti.ne.jp ┃＼／彡 ┗━━┛ "Microsoft is overhauling its cybersecurity strategy, called the Secure Future Initiative, to incorporate key security features into its core set of technology platforms and cloud services. " -- Microsoft overhauls cyber strategy to finally embrace security by default --