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Rendering Times

Author
Gibbo3771
AQUILA INC
Verge of Collapse
#1 - 2012-05-14 10:47:36 UTC
To all the veteran video makers out there.

I am rendering a 23 minute 1920x1080 video via sony vegas and just wondering how long should this take? So far it looks like it will take the entire day, having been running for 5 minutes and not moved a single % lol.

Just curious so I can go out and do other stuff, I have another 25 minutes of stuff to render in a seperate video so I want to make sure I can start it tonight before I go to bed.

xD
AlleyKat
The Unwanted.
#2 - 2012-05-14 12:37:46 UTC
Gibbo3771 wrote:
To all the veteran video makers out there.

I am rendering a 23 minute 1920x1080 video via sony vegas and just wondering how long should this take? So far it looks like it will take the entire day, having been running for 5 minutes and not moved a single % lol.

Just curious so I can go out and do other stuff, I have another 25 minutes of stuff to render in a seperate video so I want to make sure I can start it tonight before I go to bed.

xD


Render a ten second segment and time it (Vegas should tell you how long each render took)

take that time and do the following math:

(time * 6) * video length in minutes = render time.

If your video is 23 minutes and it takes 1 minute to render 10 seconds, then the following:

(1 * 6) * 23 = 138 minutes render time.

This is always approximate, as anything which has transitions, effects, or speed-ramps - will take longer than footage which doesn't, as there will be more for the PC to calculate.

Remember - 1920x1080 is over two million pixels per frame, and 62,208,000 pixels @ 30 frames per second. That's a lot of junk for the CPU/GPU to deal with and make sure is hunky dory.

If even 1 pixel is out of place...

AK

This space for rent.

Gibbo3771
AQUILA INC
Verge of Collapse
#3 - 2012-05-14 12:52:05 UTC
AlleyKat wrote:
Gibbo3771 wrote:
To all the veteran video makers out there.

I am rendering a 23 minute 1920x1080 video via sony vegas and just wondering how long should this take? So far it looks like it will take the entire day, having been running for 5 minutes and not moved a single % lol.

Just curious so I can go out and do other stuff, I have another 25 minutes of stuff to render in a seperate video so I want to make sure I can start it tonight before I go to bed.

xD


Render a ten second segment and time it (Vegas should tell you how long each render took)

take that time and do the following math:

(time * 6) * video length in minutes = render time.

If your video is 23 minutes and it takes 1 minute to render 10 seconds, then the following:

(1 * 6) * 23 = 138 minutes render time.

This is always approximate, as anything which has transitions, effects, or speed-ramps - will take longer than footage which doesn't, as there will be more for the PC to calculate.

Remember - 1920x1080 is over two million pixels per frame, and 62,208,000 pixels @ 30 frames per second. That's a lot of junk for the CPU/GPU to deal with and make sure is hunky dory.

If even 1 pixel is out of place...

AK



lol cheers, well its been going for 2 hours now, vegas says another 3 and its done -_-
Prozacxx
Genos Occidere
HYDRA RELOADED
#4 - 2012-05-14 13:19:54 UTC
overnight

lol
cerbus
Carpe Noctem.
#5 - 2012-05-15 07:10:17 UTC
If it makes you feel better, it took me 16 hours to render a 10 second clip today, completely unedited.

:P

This character is no longer affiliated with the Caldari Prime Pony Club.

Shiroi Okami
Genos Occidere
HYDRA RELOADED
#6 - 2012-05-15 08:27:57 UTC
I usually render using lagarith lossless codec in vegas, which doesn't take all that long (Couple of hours), but comes out uncompressed, so the compression into an mkv with staxrip takes the better part of a day.

My Latest Video: Freestyle III

Gibbo3771
AQUILA INC
Verge of Collapse
#7 - 2012-05-15 16:48:36 UTC
Well this 23 minute video was just some pvp for corp internal use and tbh I think I have ****** up somewhere.

I will write my settings here.

Sony MXF (no idea why the FUK I picked this)
HD EX 1920x1080-60i (*)

The file size is only like 3.8gb which seems good but I would be converting to MKV since I have a program to do that.

However the Audio is all fajazzled, like my voice is speaking in a high temp and it cuts out at certain points.

Any ideas?
AlleyKat
The Unwanted.
#8 - 2012-05-15 16:55:53 UTC
Gibbo3771 wrote:
Well this 23 minute video was just some pvp for corp internal use and tbh I think I have ****** up somewhere.

I will write my settings here.

Sony MXF (no idea why the FUK I picked this)
HD EX 1920x1080-60i (*)

The file size is only like 3.8gb which seems good but I would be converting to MKV since I have a program to do that.

However the Audio is all fajazzled, like my voice is speaking in a high temp and it cuts out at certain points.

Any ideas?


There's a link at the top for resources. There are video tuts there by moi, for Vegas.

Trying to explain whilst travelling is hard by smartphone ;)

This space for rent.

Xanral
Ajo Heavy Industries
#9 - 2012-05-15 17:32:52 UTC
Gibbo3771 wrote:

However the Audio is all fajazzled, like my voice is speaking in a high temp and it cuts out at certain points.

Any ideas?


Did you use some form of bpm matching filter when adding in sound clips? Was the audio and video tracked joined and you modified the speed of the video and thus the audio was modified by accident? Did you have some of your audio tracks set to drown out ones lower on priority even when playing silence?

Those are a few ideas off the top of my head.
Gibbo3771
AQUILA INC
Verge of Collapse
#10 - 2012-05-15 18:44:26 UTC
Xanral wrote:
Gibbo3771 wrote:

However the Audio is all fajazzled, like my voice is speaking in a high temp and it cuts out at certain points.

Any ideas?


Did you use some form of bpm matching filter when adding in sound clips? Was the audio and video tracked joined and you modified the speed of the video and thus the audio was modified by accident? Did you have some of your audio tracks set to drown out ones lower on priority even when playing silence?

Those are a few ideas off the top of my head.


I have eve sound and voice on seperate tracks.

In the intro part I just speak as I fraps so that is with the clip, second clip I record directly into sony vegas.

The speed of the video is unchanged.
Xanral
Ajo Heavy Industries
#11 - 2012-05-15 20:16:20 UTC
Gibbo3771 wrote:

I have eve sound and voice on seperate tracks.

In the intro part I just speak as I fraps so that is with the clip, second clip I record directly into sony vegas.

The speed of the video is unchanged.


A possible work around:
Make a copy of your project and open only that copy. Hide all video tracks where they will not be part of the render and record to audio (or record to video then extract the audio). Just encoding the audio should be fast. Use your MKV program to read in the video from your video source and your audio from this new audio source.

Lyron-Baktos
The Scope
Gallente Federation
#12 - 2012-05-15 20:34:44 UTC
quick question that kinda fits in here. Once we render in Vegas and get a , say .wmv file, is that it? Or is there another process to do to get the final product? I keep seeing comments that appears there is a final encoding to do before you are done.
Suleiman Shouaa
The Tuskers
The Tuskers Co.
#13 - 2012-05-15 20:39:05 UTC
Render to uncompressed AVI and then use Handbrake to re-render to .mkv, massively reducing file size (40gb -> 60mb in my last attempt) whilst keeping the quality high.
AlleyKat
The Unwanted.
#14 - 2012-05-15 21:58:56 UTC
Lyron-Baktos wrote:
quick question that kinda fits in here. Once we render in Vegas and get a , say .wmv file, is that it? Or is there another process to do to get the final product? I keep seeing comments that appears there is a final encoding to do before you are done.


Pre-rendering (shift+M)

This lil' trick is good to use if Vegas crashes, or the render fails in some way. It was designed to get smooth editing playback prior to a final render, but has a handy red/green line that runs along the timeline. If one of the Fraps files/media files has an error in it (which used to drive people nuts - me included) it will have a red line above it. If it's all green, you're all set.

It's not essential, but can alleviate any concerns that your footage is borked.

You would also need to setup a temp folder for this (check file=>properties) as it will write to your HDD.

If you want to pre-render a smaller selection, like 10-20 seconds worth, you might wish to write to RAM using (shift+B). In After Effects, this is what is known as a RAM preview.

You can render to anything you want in terms of wmv,mkv,mp4,avi and since most videos end up on youtube anyway, it really doesn't matter as much as it once did regarding filesize and people downloading it - which was the original idea behind using mkv, as it can shrink files really well.

I never liked the washed-out look that comes with mkv - and Vegas (imho) provides a really nice wmv file, with richer colors. MP4 on Adobe software though.

AK

This space for rent.

Shiroi Okami
Genos Occidere
HYDRA RELOADED
#15 - 2012-05-15 23:49:30 UTC
Gibbo3771 wrote:


I have eve sound and voice on seperate tracks.

In the intro part I just speak as I fraps so that is with the clip, second clip I record directly into sony vegas.

The speed of the video is unchanged.


Render your audio out seperately to your video, so you end up witha video file and an audio file, then when you compress it into an mkv merge the two together, this is what I did after some out of sync audio issues post compression with vegas and it worked perfectly, it should solve your issues as well presuming that the audio renders correctly by itself, if it doesn't then you've messed up a setting somewhere

My Latest Video: Freestyle III