Tagged with 30fps - Personal View Talks

Conforming MJPEGs to 25p with Cinema Tools produces files that FCP won't import. Any other workflow?

ickejohannes — Mon, 11 Jun 2012 08:28:24 +0000

Sorry if this has already been answered, I've been searching the forum but so far without finding a solution.

I'm trying to get MJPEGs from the GH2 to play at 25 (or 24) fps for a slight slow-motion effect. However when I conform the clips with Cinema Tools, the resulting files cannot be imported in FCP, as I get the error "File Error: Unknown File".

Does anyone know what the problem is or could help me out with an alternative workflow to get FCP to playback the MJPEGs at 24 or 25fps?

Which framerate to mix 24p and HBR25/30 footage?

duartix — Thu, 12 Apr 2012 18:21:01 +0000

Please help!

I'm planning to do a comparison of various video modes and shutter speeds and I'd like in the end to export one video that mixes thge following material:

24p footage @ 2fps that will be speed up 13x
24p footage @ 2.5fps that will be speed up 10x
HBR30 footage @ 2.5fps that wil be speed up 12x
HBR25 footage @ 5fps that wil be speed up 5x

How should I handle this in After Effects?

TIA.

Motion JPEG unaffected?

pdlumina — Sun, 25 Mar 2012 21:43:26 +0000

Other than 720p20 width/height, E/F tables, and 720pXfps.. do any other settings actually affect the quality produced by the Motion-Jpeg encoder? do the FSH/SH values have any effect? (I think not), do the Auto Quantizer/Quantizer for 720 mode affects the quality?

Does the initial quantizer, video buffer, Top/Bottom settings, 720p IPB scaling/fallback, other modes top/bottom settings? Do any of these affect the 720p 30fps Motion Jpeg encoding? because it seems to me they are only meant for AVC modes.. but I could be wrong of course.

2.35:1 Display aspect ratio in MJPEG 30fps mode

Tommyboy — Wed, 15 Feb 2012 21:37:07 +0000

So, I just did a quick test by setting up one of the custom dials to be fully automatic (P Mode for exposure), just in case I need to get the camera rolling quickly. I tested all the footage to be surprised by the mjpeg HD footage. This footage has 2.35:1 display aspect ratio.

Video
ID                               : 1
Format                           : JPEG
Codec ID                         : jpeg
Duration                         : 11s 500ms
Bit rate mode                    : Variable
Bit rate                         : 102 Mbps
Width                            : 2 048 pixels
Height                           : 864 pixels
Display aspect ratio             : 2.35:1
Frame rate mode                  : Constant
Frame rate                       : 30.000 fps
Compression mode                 : Lossy

Any Ideas?