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59.94 Real time playback
I have been having trouble getting 59.94 1080i pictures to run real time. I have turned the “enable video processing” on and off, turned the scopes off, tried to run with real time proxies but nothing seems to work.
The picture stutters and the audio breaks up. This even happens prior to grading. Obviously, it becomes worse once the program has been graded.
I am working on a mac version with full resolve panels.
Any suggestions?
Thanks,
Martin Wells -
6 Replies
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Can you please list your headwater specs including storage and what file format are you playing?
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also are you putting in 59.94 for timeline frame rate or 30. 59.94 1080i is field rate. Having Resolve do frame rate interpolation sloooooooows things down
Robbie Carman
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Colorist and Author
Check out my new Books:
Video Made on a Mac
Apple Pro Training Series DVDSP
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Configuration is as follows:
MacPro5,1
12-Core Intel Xeon 2.93 GHz
24 GB Memory
Internal Software RAID ( +/-250 MB/s Read and Write)Mac OS X 10.6.8 on Internal SSD
Quadro FX 4800 (GPU)
GT 120 (GUI)Resolve 8.1
Grading Apple ProRes 422 (HQ) material at 1080i29.97
When project framerate is set to 30, playback stutters with a single node. No errors or warnings.
When project framerate is set to 29.97, playback stutters with a single node. Warning reads, “Play: Video will play at non-native video rate ‘29.97’ fps (Native = ‘29.97’ fps)” – That just doesn’t make sense to us.
When project framerate is set to 59.94, playback stutters with a single node. Warning reads, “Play: Video will play at non-native video rate ‘59.94’ fps (Native = ‘29.97’ fps)”
The same is true for all of the above when “Enable video field processing” is checked/not-checked on the config tab.
BlackMagic has told us to close the scopes and add a second GPU to increase performance. Closing the scopes does help slightly.
When we can playback a realtime ProRes file at 23.98 with 12-nodes including blurs and keys, why is it we cannot playback a single primary node on a interlace 29.97 clip?
Does anyone have a working 29.97 setup?
Martin Wells
Senior Colourist
Pixel Underground -
have you tried with faster external storage? looks like you have a slot open for hba card.
also tried turning off external decklink peview?https://www.postandbeam.tv
grade and finish @ post + beam
https://www.facebook.com/pages/post-beam/137967176232067 -
I wonder if your footage is 30p, try to check it with Media Info and see what the true framerate is, you can download it for free.
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The solution we came up with was to turn off one of the scopes (the histogram in my case) and change the output monitoring from 10 bit to 8 bit.
After doing that, I is running fine both graded and ungraded.
Thanks for all your suggestions.
Cheers,
Martin Wells
Senior Colourist
Pixel Underground
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