Vegas rendering codec questions ?

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Vegas rendering codec questions ?

Postby Sajid213 » Sat Jan 14, 2012 11:46 am

I got two questions.

1. I got two lossless codecs - UTVideo and Huffyuv. But which one is better ?
2. There are 4 UTvideo codecs installed (RGB,RGBA,YUV420,YUV422). Whats the difference and which one should I use ?
3. I am using Zarx264 for compressing my videos. What settings should i use ?

Please help. Thanks a lot :)
Joined: 07 Nov 2011

Re: Vegas rendering codec questions ?

Postby Mister Hatt » Sun Jan 15, 2012 7:28 am

Step 1: RTFM.
Step 2: There is no step two.

Depends on your needs but for most things, UTVideo is "better" I guess. The different modes are different colourspaces. RGBA has one more channel than RGB so will take up 32bits per pixel compared to 24. This makes it ~30% larger in filesize assuming inefficient compression. YUV420 is standard full-pixel luma with 4-pixel chroma blocks. YUV422 is the same except it has twice as much vertical accuracy on chroma.

Use the "slower" profile, and CRF18. That should be sufficient in Zarx.
Mister Hatt
Joined: 25 Dec 2007
Status: better than you

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