When I've tried using Xmedia Recode with HEVC encoding settings, I do not get the same results vs x264 - no new keyframes are added to the re-encoded file, am not able to seek through the video in VLC/open and advance per keyframe via Avidemux. When I try to open this same damaged file in handbrake to see if handbrake can encode the original via x264, handbrake just crashes. That basically inserts new keyframes every 0.5 seconds - the file is basically repaired and I can remove commercials with avidemux. Other HEVC recordings come out fine and I can edit the files (without having to reencode the file) / advance to the next keyframe in avidemux without issue.Īnyways, the one solution I've found for even the most damaged file is just to reencode the damn thing with Xmedia Recode via x264, and tweaking the settings for Xmedia Recode to set 'Keyframe Interval' & 'Min GOP Size' to 30.
Not all the recordings are like this, but some of them are. Some these recordings can be extremely temperamental - if you play it back in VLC, it plays fine, but if you try to open the file and seek through it, either in avidemux or VLC, it just crashes. I've done some Googling and it seems that HEVC supports HDR (and consequently - HLG?) while x264 does not. These broadcasts happen to utilize HLG, which is the dimentary form of HDR. Ah, memories.Īnyways, here is my conundrum - I have HEVC 2160p HLG files I've recorded (via Silicon Dust HDHomeRun). Hello - It's been a long damn time since I've been in the encoding world - I remember reading threads on Doom9 when x264 was first taking off back in 2006, and using MeGUI back in the day.
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