Norman Black
Forum Replies Created
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[Scott Francis] “so I am trying to find out what Vegas wants to do with a format it may not have a template for
“Vegas converts your project video stream (project settings), whatever that is, to the format specified by the file encoding template (render as), whatever that is.
If Vegas does not have a template that gives the output parameters you want then simply create one that has the parameters that you want. Start with one that is close and go from there.
So the 59.94 you stated is interlaced? If yes, then that fits well enough to a 29.97 progressive output. Be sure to choose an appropriate deinterlace option in your project settings.
And btw, what are your project settings?
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[Scott Francis] “I built my own and then rendered out a short clip using Internet 1080p preset for Mainconcept AVC and the quality looks HORRIBLE compared to the original. I noticed that the bitrate isn’t that much lower,”
Main concept Internet HD 1080 has a much lower bitrate at 12Mbps average where you stated your camera was 38Mbps. If you want a bitrate similar to your camera, then you will have to edit and save a custom template.
Web 1080 from Youtube, Vimeo, Smugmug have bitrates around 7-8Mbps. Special accounts might be higher. Also, Internet is at most 30p from those services. They always re-encode stuff you upload.
You stated your video file info but what are your project settings and did you change the template any. MC AVC 1080 internet defaults to 29.97fps.
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[Graham Bernard] “I see that there is a refernce to “AMD” in the 64bit”
AMD created and defined the 64-bit instruction set for “Intel” processors. Some, including me, call it AMD 64. Some call it X64 or x86-64.
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GoPro Black 2.5K files are using the AVC/H.264 codec at about 30Mbps or 45Mbps(protune) bitrate.
The AVC codec is very compute intensive. Small files, but hard/slow to decode.
The Vegas AVC decoder is not the quickest and/or Vegas has more overhead in its display subsystem. Either way Vegas apparently cannot keep up on your system with the 2.5K files. You may need to proxy for smooth editing.
As a reference on my system, 2.9Ghz core i7
Hero 3 Black 1080p30 20Mbps files can be edited
1080p60 30Mbps files must have proxies. -
I forgot to say that if you want more than 1/2 speed with a 60p source and 30p output, then you will want/need Vegas to resample. Vegas is not the best at this and you may want to look into tools like twixtor($) and such.
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What are the specs of the DV file the CUDA converter generated?
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[Stephen Mann] “If you installed K-Lite before Vegas, then you’re probably OK. I’ve seen way too many people who “fixed” their “Render As” problem by uninstalling K-Lite. Myself included.”
It was installed before and many time since. Both Vegas and K-lite (standard) have had new installs/updates many times since February when I started this whole video edit thing.
I don’t dispute any reports. My view is framed from my work as a developer. If I cannot explain exactly why something started working when I changed something, then I have not really fixed anything. I probably just moved the problem around such that is does not show at this instant. Another change in the future might make it show again. Also, I would have to know how to reinsert the “bug” to verify I know what I am talking about in the “fix”.
In the context of things like this. If you uninstall and it works, then reinstalling the same thing again should break it. Otherwise, what really changed that fixed an issue. The true answer is, we don’t know.
For end users, you don’t really care. Just if something is working is all that matters.
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The project setting determines what you want your final file output to be. So if you want 30p (29.97) output files then use that.
As for SloMo. If you do not want Vegas to interpolate new frames for the slow mo you can get perfect SloMo to 1/2 speed with a 60p source outputting to 30p. Turn off smart frame resample to stop Vegas from resampling. You can do this because the source has more frames than your final output. At 1/2 speed Vegas is using all the 60p source frames but playing back at a slower speed.
If you output 60p and SloMo a 60p source file then Vegas *must* interpolate new frames because the source and output have the same number of frames.
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[Stephen Mann] “n addition – NEVER, EVER install a Codec Pack in a Vegas editing PC”
I have heard this many times and I disagree. It must be rooted in history when Vegas operated a bit differently than now which is all I have known, and examined the Vegas function having read reports like this.
I have the K-lite codec pack installed. The “standard” version. I had it before I got into editing. It only installs DirectShow codecs and therefore it is impossible for Directshow to affect Vegas since it does not use Directshow. The “mega” K-lite does have a few Video for Windows codecs it installs and may cause an issue. Lagarith being one. Also nearly all of what K-lite installs are decoders only as the pack is created for playing back videos which is its reason for existence.
I would disagree about the codecs being designed for gameplay. At least as far as K-lite and CCCP are concerned. These are ffmpeg based. A lot of what exists in ffmpeg is as good as anything and some not so good. For the later, AAC audio being and example.
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MP4 is nothing other than a generic file container format. It can contain just about any codec in existence and Vegas only supports a few codecs in MP4 files. AVC and mpeg-2 are a couple I know of.
It looks like your file has a form of basic mpeg-4 video. Advanced Simple profile. This is the same/similar profile used by Divx.
Hopefully someone else has a better idea for you, but all I can offer is to get the file out of that codec and into AVC or mpeg-2 via some other utility. There are free tools out there that can do this if it becomes necessary.
AFAIK Vegas only uses installable codecs via two systems.
AVI (Video for windows, Vfw)
MOV (Quicktime)Each on is a distinct and separate system. Meaning installing for one does nothing for the other.
There are other systems. DirectShow and Media Foundation (Win7 and later). Vegas does not support these systems.
Sony does not install their own internal codecs into any system. One can use Gspot to view this. They do not publish their interface for someone to develop additional codec support (outside of AVI and MOV of course). I think some of this is due to minimizing support hell issues of people clobbering their own stuff.