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J
jan olavn91115172
Participant
February 21, 2017
Question

GH4 Mov. 1920 * 1080 100 mbs footage gets choppy in Premiere CC 2017

  • February 21, 2017
  • 2 replies
  • 936 views

Does anyone know why this is happening? I was editing some footage shot on Panasonic GH4 in Mov. 1920 * 1080 100 mb/s, and when I used warp stabilizer or speed/duration the footage became choppy while editing and also when exported. I did a test with footage shot in Mov. 1920 * 1080 200 mb/s and it worked fine. So 100 mb/s dosent work and 200 mb/s works fine. Why is this?

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2 replies

E
excited_Genie16B8
Legend
February 22, 2017

The 200 Mb/s footage is I-frame only, which may be easier for Warp Stabilizer to process properly compared to the IBP encoding of the 100 Mb/s footage.

jasontcox
jasontcox
Inspiring
February 23, 2017

Hmmmm interesting! I haven't shot with a GH4, so Im guessing those two different modes are actually using two different codecs? Could definitely be the difference! I thought 200 Mbps for 1080p H.264 seemed a bit insane! lol

E
excited_Genie16B8
Legend
February 24, 2017

H.264 is the only codec available on Panasonic cameras.

jasontcox
jasontcox
Inspiring
February 21, 2017

Hmmm. Stuttering playback after adding Warp Stabilizer can be common if you don't render the clip afterwards (select the clip and go to the Sequence menu and choose Render Selection), but it should ABSOLUTELY stop stuttering/playing choppy if you export it (assuming you're picking decent export settings that is). And it also doesn't make a ton of sense that your 200 Mbps clips aren't having this issue but the 100 Mbps clips are. There's go to be some other variable at work here. What are your sequence and export settings?

J
jan olavn91115172Author
Participant
February 21, 2017

Hey. Yeah I have tried to render selection and I think the other settings

are okey. And it dosent really make sense that 200 mbs footage working

fine and 100 is not. Sequnce settings are: 25 frames/second - 1920 *1080 -

Square Pixels(1.0) - Progressive scan - 25 fps timecode. Exporting have

used h264 and match source, and Ive tried the Vimeo 1080 preset. Also tried

to change the sequence settings but nothing changes.

On Tue, Feb 21, 2017 at 10:37 PM, jasontcox <forums_noreply@adobe.com>

jasontcox
jasontcox
Inspiring
February 22, 2017

Any way that you can share one sample of each type of clip? Perhaps a Dropbox link or something similar?

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