GH2 50min project renders 10-15 hours. How to make if quiker if quality is not priority?

T

Tim_

Member
Hello guys.

I've jumped to GH2 from SD cameras and was very disapointed about the fact
that rendering time of my new videos took me soooo long.

I am more of a videocaster, then a filmaker. So I often have to upload (internet only)
my videos once a week.

It took me 10 to 15 hours, depending on effects (no noise filters, only editing, color correction
and Magic Bullet Mojo sometimes) for a 50-60 min video.

So I don't need 4000000 mb/s quality of Vitaliy's hack. I don't even need HD that much.

All I need is a handy camera in a small form-factor that can help me to produce high-q
INTERNET 576x416 videos, (or 16:9 eqivalent) not 3d-5000x39994240 Super-pro res Plasma 3dMAX HDMI screen that takes a life to pre-render.

Seriosly guys, any ideas?

I have Final Cut Pro 6 and can borrow new Premiere CS5 (familiar and had experience with both)

Maybe the right way will be to downconvert original RAW footage to SD before any editing?...

What software is best to use for that?
 
Thanx rigs but I think I solve this problem starting using program called Media Converter that has Re-Wrap AVCHD for Qucktime preset. After that, original RAWs runs smoothly.

But it still 10-15 hours at the end of the day :(
 
Hiya,
10-15 hours for what exactly? When you say render, are you creating HD h.264 versions for upload?
We've had great success with Final Cut 7 and X as well for our weekly news programs. We love the GH2 for this but the bottleneck has always been the h264 for upload but s thats not a GH2 shortcoming. A hardware dongle like the Elgato Turbo has done wonders for our h264 workflow.
Ross
 
Transcode and edit in SD or ED, will render faster than HD especially for long form projects such as yours.
 
I'm a Premiere guy now. I liked CS3 ok, CS4 was terrible for me and I switched to FCP for a while. But CS5 has changed my life. No transcoding, native playback of super high bitrate hacked files that is butter smooth. I can stick a 1 hr video on the timeline and render it back out (with accelerated effects to boot) in 20-30 minutes. I have a compatible Nvidia card and a first gen i7 processor, so it's a fast computer, but I can edit circles around my FCP friends in most situations. Integrated After Effects also is usually very solid and convenient for special compositions (but not particularly fast at rendering.)

And the Ultra plugin for keying that comes with Premiere is amazing. I do a lot of green screening and it is accelerated and lightning fast to render and looks awesome. Better than Keylight in After Effects.

All that to say, I would definitely recommend giving Premiere CS5 a shot. My experience has been great.
 
+1 for Premier Pro CS5 and 5.5
There were some AVCHD color resolving issues in CS5 but that has been corrected in 5.5
The Mercury engine REAALLY has made a big difference in render speeds.
Plus everything else Blazer mentioned.
 
htinla said:
Transcode and edit in SD or ED, will render faster than HD especially for long form projects such as yours.
Click to expand...

Thanx but how exactly to do so?... If I have 720p resolution on my RAW footage, I've red on this board that the best way in terms of qulity is to reduce it by even number such as 2. So 720 to 360 in height?

If I work in Premiere CS5 (thanx for recommendations, guys) how excactly to downgrade to SD (to further editing and rendering) and not to decrease quality too much (but just pixel-wise)?

And what is ED?
 
I have Macbook Pro 2.66 Hhz Core 2 Duo with 4 Gb DDR3 + WD Firewire external drivefor scratches.... I don't think it's THAT slow...
 
Thanx BLAZER, I've already got CS5 to try it.

Is there a "right" way to downgrade HD footage to SD - BEFORE editing and effects?

I will try if rendering speed will improve in CS5 very soon...
 
Tim: ED is 480p. However, I think that's only a format you would export to. For your needs, you might want to try one of the smaller size 16:9 sequence presets that comes close to the final size you need. In FCP, there's a preset for 960 x 720. If you're willing to go even smaller for more speed, you could edit in NTSC anamorphic (don't forget to deinterlace on export). Or just create a custom sequence to the size you need, although you might have problems previewing on an external monitor if you use one.

Scratch what I said about transcoding to a smaller size. Although it might make your renders in editing go faster, it's probably another step in your workflow that you're not going to want to do time and again. The sequence size largely determines how fast your renders will go - bigger size = longer render times.
 
for performance improvement resizing quotient koeficient must be natural number
so 1920x1080 faster rendering will be to 960*540 (div 2) or div 3 = 640*360 than to 720*576 (div to unnatural numbers)
so, avoid from irrational changes in size - if natural koeficients not acceptable - then also may use koeficients with halves (1.5, 2.5) - rendering performance will be affected, but still more acceptable. (example : 768*432)
 
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but how to make it?

How to downconvert 1080 to 540 from .mov to .mov?

Preciecely in FCP or Premiere CS5?

It seems like only .h524 allow to make resizing in it's presets....
 
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