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"Trim" issues with HLG footage in Quicktime player on Catalina
I know this issue might seem a bit late but I haven’t been on “The Cow” for a long time. I also know it is quite a nuanced problem too that most people probably won’t care too much about! I’m an aerial cinematographer who shoots 4K exclusively in the 10 bit Hybrid Log Gamma (HLG) format on my drone. The single most useful function on my Mac Pro used to be opening each file off the camera card in Quicktime player and trimming the shot BEFORE I imported it to my drives, saving me enormous amounts of storage. Suddenly when I upgraded from Mojave to Catalina the function didn’t work anymore! The “trim” function is still listed in the edit dropdown but is grayed over and non-functional. Luckily I still have an imac pro on Mojave but this effectively means I will never be able to update it, that is how important the trim function is to me. So while all of my edit drives are connected to the Mac Pro I have to firstly go over to the Imac to trim them and then bring them back over to the other computer which is a slow workflow. I can’t believe Apple did this, why make something non-functional, but then to rub salt in the wound leave the function there, but grayed out? Does anyone know of any other software solutions that can help me trim HLG clips before I import them? No… due to the massive rendering time VLC is not a viable alternative. Thanks!
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3 Replies
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Works fine for me, I even updated to Ventura and it still works there, too. It’s not macOS, there’s something askew on your Mac. Do you have Chrome installed?
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HLG clips work fine? Yes I have chrome but never use it really. By the way I can now trim HLG clips through Davinci Resolve and the Media Management function.
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I have just discovered an H.264 clip I downloaded from Vimeo won’t trim. So I guess there are some undocumented limitations. I re-encoded this clip with Handbreak to H.264, and it worked fine. Seems to not be format, but how it was encoded. Everyone has their own flavor of everything now. What a royal PITA it has become.
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