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cjwilliams0013

Editing H.265 (Samsung NX1)

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I will be getting this camera for projects at work. I am also in the market to get a system that can handle the H.265 files. Has anyone tried transcoding/editing these files with a current maxed out MBP 15'? I would like to try to avoid getting a desktop because my job requires me to move around a lot. 

Thanks

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Well, if you wan to import it into some NLEs , that may not be realized until now. Since this codec is not wide spreaded. Or you can try some convert apps to help you. I recently have tried a app called video converter from pav, but it just has the Win version. And also the output format is only MP4. Oh, here is a video for you:)

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Because of the H.265 It will need to be converted. My question was more aimed if the MacBook Pro 15in maxed out can handle the transcode process decently or if I really need to go to a desktop where I can have a more powerful machine. My goal would be to stay with a Laptop because of my travel requirements, but if a desktop would be necessary I could manage.

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Because of the H.265 It will need to be converted. My question was more aimed if the MacBook Pro 15in maxed out can handle the transcode process decently or if I really need to go to a desktop where I can have a more powerful machine. My goal would be to stay with a Laptop because of my travel requirements, but if a desktop would be necessary I could manage.

Grab some samples and try them!

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What year of Macbook Pro 15?

2013/14 Retina will work fine. It's CPU dependant and these have not got much faster in the last few years. You'd need to go to a Mac Pro to notice any significant improvement.

Download iFFMPEG, grab some H.265 files from the NX1 and give it a go.

If it's too slow then remember you'll need a pretty significant desktop workstation to go any faster so don't be too hard on it.

I usually transcode over night if I have a lot of material to get through, rather than wait for the progress bar to tick along in front of me!!

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The transcoding works very well - after that depends on your output settings. I output prores xtreme (probably 4444) and the mbpr struggles with it.

​That's totally overkill doing it to ProRes 4444.

Use a 1 pass encoding to ProRes LT!

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What year of Macbook Pro 15?

2013/14 Retina will work fine. It's CPU dependant and these have not got much faster in the last few years. You'd need to go to a Mac Pro to notice any significant improvement.

Download iFFMPEG, grab some H.265 files from the NX1 and give it a go.

If it's too slow then remember you'll need a pretty significant desktop workstation to go any faster so don't be too hard on it.

I usually transcode over night if I have a lot of material to get through, rather than wait for the progress bar to tick along in front of me!!

​I would be buying it new so it would be the most recent 2014 version. Its a shame intel has abandoned their pro chipsets for mobile and low power, but I think you are right Andrew. I will test some clips and let it do the work overnight, the next step up from the MBPr would be the Mac Pro.

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​That's totally overkill doing it to ProRes 4444.

Use a 1 pass encoding to ProRes LT​

I then tried H265->ProRes 422 HQ using ffmpeg.  That's been the best workflow for me so far, but you definitely get some weird artifacts.

https://www.youtube.com/watch?v=OYFBuDUbVaQ or https://vimeo.com/116520230

If you look at 2:19, there's a dark spot in the center of the sun.  That gets introduced by the ProRes transcoding.  It's not present in the original HEVC or Samsung H264 converted files.

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I then tried H265->ProRes 422 HQ using ffmpeg.  That's been the best workflow for me so far, but you definitely get some weird artifacts.

https://www.youtube.com/watch?v=OYFBuDUbVaQ or https://vimeo.com/116520230

If you look at 2:19, there's a dark spot in the center of the sun.  That gets introduced by the ProRes transcoding.  It's not present in the original HEVC or Samsung H264 converted files.

​That reminds me of the "old days" when FCP users had to transcode 5DMKII H264 to ProRes and I heard some colleagues complaining about occassional artifacts due to the 5DMKII's "poor H264 implementation". At the time I was already using PremierePro and never came across them. I suppose we'll have to start the flux condenser and fast forward in time to an Adobe update to edit H265 natively...

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