Larry's HV20 clip--raw and then pure 24p - Page 2 at DVinfo.net

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Canon VIXIA Series AVCHD and HDV Camcorders
For VIXIA / LEGRIA Series (HF G, HF S, HF and HV) consumer camcorders.


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Old March 23rd, 2007, 12:56 AM   #16
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Originally Posted by Brad Schreiber View Post
Forgive my lack of knowledge on this, but why was pulldown added going out to an .m2t file? I shot Canon XLH1 footage in 24f and went out to .m2t through firewire, and no pulldown was added. Did you go out via HDMI? I'm curious as to the reason for this.
It's a consumer camera and pulldown is added (most likely) for 1080i standards compatibility. It makes it so the camera can simply plug into most HDTV's and display correctly.
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Old March 23rd, 2007, 01:00 AM   #17
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FYI, I got jerky playback on the H.264 file also. I've had some similar problems when encoding H.264 using MPEG Streamclip.

-gb-
I suspect it might be due to B frames added to the encoding process.(an option in the latest MPEG Streamclip) I can make a version without them and it might play back more smoothly. The only reason I made a high bit rate h.264 was to try and keep the conversion as close in quality to the original m2t as possible.

Unfortunately, I don't have the ability to do HD WMV's on my G5.
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Old March 23rd, 2007, 07:49 AM   #18
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FYI,
The clip plays better using Nero Showtime (I just bought Ultra 7 Enhanced), although still somewhat jerky.
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Old March 23rd, 2007, 08:11 AM   #19
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This 24p raw file plays flawlessly in Media Player Classic using DScaler 5 IVTC mod (72hz display at 24fps is best)
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Old March 23rd, 2007, 09:21 AM   #20
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Originally Posted by Barlow Elton View Post
I suspect it might be due to B frames added to the encoding process.(an option in the latest MPEG Streamclip) I can make a version without them and it might play back more smoothly. The only reason I made a high bit rate h.264 was to try and keep the conversion as close in quality to the original m2t as possible.

Unfortunately, I don't have the ability to do HD WMV's on my G5.
Barlow, Do a google search for flip4mac and see if that helps.
(Windows Media® Components for QuickTime player should be free)
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Old March 23rd, 2007, 12:24 PM   #21
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So if it is a normal pull down, we should be able to use vegas or cinaform, correct?


-Kris
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Old March 23rd, 2007, 12:33 PM   #22
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So if it is a normal pull down, we should be able to use vegas or cinaform, correct?


-Kris
correct, fcp's cinema tools work fine with the footage i've played with thus far. you have to set the removal pattern manually, but once you figure it out it's smooth sailing.
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Old March 23rd, 2007, 03:47 PM   #23
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Barlow, Do a google search for flip4mac and see if that helps.
(Windows Media® Components for QuickTime player should be free)
I've already downloaded and used the demo. It watermarks everything now.
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Old March 23rd, 2007, 05:58 PM   #24
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There's a free version of Flip4Mac that adds a wmv plugin for playback. Doesn't encode but you can play.
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Old March 23rd, 2007, 06:09 PM   #25
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Here are some (hopefully) pc friendly clips: divx and wmv

http://media.dvinfo.net/canonhv20/hv20108024p.divx (28 MB)
http://media.dvinfo.net/canonhv20/hv20108024p.wmv (25 MB)

Something's wonky with the wmv. I installed the flip4mac demo again and it will encode, but the clip gradually gets a greenish tint. I have no idea why but it should play ok for most.
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Old March 24th, 2007, 02:49 AM   #26
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Ah. . . the joys of living in a pulldown free PAL world ! :)
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Old March 24th, 2007, 03:50 AM   #27
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Lee do you know how the 25p raw files will play? In VLC will they show interlacing artifacts as they are in a 1080i stream? What will be the effect of the various deinterlacing options such as blend fields in VLC for playback?

How will Vegas be able to handle the files?

Cheers
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Old March 24th, 2007, 05:57 AM   #28
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apple tv

Ok wow, I REALLY like the direction of this.

http://stevenbothe.com/up/hv20-raw-24df-AppleTV.mov

720p single pass, apple tv compatible, basic warm processing, sheer for intermediate codec and pull down removal via cinema tools of course

no strobe, just smooth 24p

AMAZING I THINK!

I'm going V1U, but gosh, this is AWSOME for b-roll guys!

I thought there were interlace artifacts in the window awnings, but it was just shadows from fire escapes, hahaha. First try I was really disappointed, played around a bit with my settings, and OMGOSH, I LOVE THIS NOW!

I can't wait to see what comes out next from Sony and Canon!!
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Old March 24th, 2007, 01:18 PM   #29
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Originally Posted by Lee Wilson View Post
Ah. . . the joys of living in a pulldown free PAL world ! :)
Indeed. I'd almost buy a PAL version of the camera simply to be free from this annoyance.
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Old March 24th, 2007, 01:19 PM   #30
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Originally Posted by Fergus Anderson View Post
Lee do you know how the 25p raw files will play? In VLC will they show interlacing artifacts as they are in a 1080i stream? What will be the effect of the various deinterlacing options such as blend fields in VLC for playback?

How will Vegas be able to handle the files?

Cheers
I'm sure the actual 25p PAL version of HV20 footage won't have interlace artifacts at all. It's carried in the 1080i stream, but it's pure progressive.
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