TILT Posted April 10, 2015 Share Posted April 10, 2015 Hi, I just found an alternative to Rocky Mountain Converter that does ProRes 4:4:4.http://brightland.com/w/photon-manual/Correct me if I'm wrong but the NX1 4k should convert to 1080p 4:4:4 nicely. Am I right?That converter can also output 10 bits 4:2:2 H.264 if you can find/compile a ffmpegH apparently.Cheers! Link to comment Share on other sites More sharing options...
Micah Mahaffey Posted April 11, 2015 Share Posted April 11, 2015 I'll check this out on some nx1 footage when I get home. Link to comment Share on other sites More sharing options...
Micah Mahaffey Posted April 11, 2015 Share Posted April 11, 2015 I figured I give it a go and tested out a color grade after converting to 10 bit 4:4:4. Here is the results. Link to comment Share on other sites More sharing options...
TILT Posted April 11, 2015 Author Share Posted April 11, 2015 Do you have the feeling it helped your color grading, I replaced the footage of a chroma key comp in After Effects. The Original footage was Prores HQ 4:2:2, when I replaced it I had the feeling it expanded the color space, but didn't help me to get thinner hair details in the key. I'm probably expecting too much from it. Keying out white transparent hair of an old lady is not easy. I've got a usable key though.I don't know if 4:4:4 worth the go, it took my computer 29mins to process for a 7mins 4k clip. Where as HQ 4:2:2 takes my computer 11 mins. I'll probably use it for a bit, especially when I have dolly moves . Link to comment Share on other sites More sharing options...
christrad Posted April 11, 2015 Share Posted April 11, 2015 Green blue jeans ?!! lol Link to comment Share on other sites More sharing options...
jcs Posted April 13, 2015 Share Posted April 13, 2015 Do you have the feeling it helped your color grading, I replaced the footage of a chroma key comp in After Effects. The Original footage was Prores HQ 4:2:2, when I replaced it I had the feeling it expanded the color space, but didn't help me to get thinner hair details in the key. I'm probably expecting too much from it. Keying out white transparent hair of an old lady is not easy. I've got a usable key though.I don't know if 4:4:4 worth the go, it took my computer 29mins to process for a 7mins 4k clip. Where as HQ 4:2:2 takes my computer 11 mins. I'll probably use it for a bit, especially when I have dolly moves .For white/blonde hair a blue screen can be easier to key.To speed up ProRes 444 with Photon, try setting the Options/ProRes QScale to 6 (to start) and compare time/quality/size while adjusting QScale up/down. Link to comment Share on other sites More sharing options...
TILT Posted April 17, 2015 Author Share Posted April 17, 2015 Thanks jcs, I've converted with Qscale set to 2, it took my laptop 9 hours for 6 hours of footage, it seems that it's much quicker when you set max jobs to 4. Final data rate is 162Mbps Cheers! Link to comment Share on other sites More sharing options...
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