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Different fps in same project
Hi,
I have to tell my workflow on this project might have some fundamental missunderstanding about video and fps in general, but as I found this way to work in the purpose I wanted (but still have a minor problem), please hear me out 🙂
I have a project in Sony Vegas 12 with 50 fps GoPro clips. As I didnt convert them into a more editable format they the preview in choppy, but I didnt mind that, in fact, I started to like it that much I wanted to put a few clips in the movie so they would play as choppy as my preview.
I tried few different ways like rendering image sequence jpg-s out of my 50fps clips and leaving only every ~ 30th image (deleting all other frames), which resulted in nasty bad quality clip after rendering.I got blurry squared pixels on some of images after rendering them back into a movie clip, though images all seemed to look nice. I dont know if it is because of 50fps output or something else, anyways I went on with few other methods until I came on a idea to render my desired clip as 3,2 fps clip. So I did that, and it played exactly as I wanted. When I imported it into my project I realised that because of 50fps project this clip is quite messed up now. After quick googeling I found a solution (from creativecow forum btw) to right click on clip, properties and disable resampling. So I rendered a loop region of my project including a bit of normal 50fps clip and a bit of my “genius” 3,2 fps clip and it played exactly as I wanted!
I was quite happy until the moment I saw the final output of my hole rendered clip, where part of my 3,2 fps video was again square-pixel bad quality.Any ideas, why my workflow worked on a short loop region render, but not in the hole project render?
https://www.youtube.com/watch?v=fUy5dkbCy4c
In this short clip the first 6 seconds is normal 50fps clip and another 6 seconds is 3,2 fps clip and it plays exactly as i wanted.Everything left the same, just rendering the hole project it results my 3,2 fps clip becoming “square pixelated” (from 1.06min to 1.36min)
https://youtu.be/JmYZvIMoWKg?t=1m6sAnyone ready to think on my case, many thanks!
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4 Replies
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Forget about everything you’ve tried. All you need to do is right-click on the Event, select Properties and on the Video Properties tab change the Undersample rate and the video will play back at a slower fps and stutter.
~jr
http://www.johnrofrano.com
http://www.vasst.com -
That’s nice tip for workflow 🙂 Thanks for that, but the bad quality problem remains. Just like on the 2 sample youtube videos I gave. Rendering a short loop region – its okay. Rendering entire 7 minutes project, this clip stays in a bad quality (see video at 1.06min to 1.36min.)
James
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I assume it’s a problem with the GoPro clips then. You might try converting them to CineForm with GoPro Studio.
~jr
http://www.johnrofrano.com
http://www.vasst.com -
Still a mysterious case. I converted this clip to avi with gopro studio – same case. Finally I took this short clip that was rendered correctly and placed onto a full length clip and rendered then – still the same block-pixeled result. I forgot to delete this place from full length movie, but as I placed my short clip onto the full length video track on timeline, it should be fine? Will give a last try when I got time for rendering again..
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