sorenson squeeze resolution and fps problems

[phpmysql348]

(xcuse my english) When I import the following video file in Sorenson Squeeze 5...
- .mov video file (a camtasia screen capture, exported from premiere)
- resolution of 960x540 px
- encoded with animation codec, from a 24 fps source, with a keyframe every 5 sec


...the following problems occur:
- with any .mp4 of .flv preset included in squeeze 5, it detects the source resolution as 960x544 px instead of 960x540
- if I modify the 544 to 540, it switches automatically to 544 after I accept the changes
- I've even changed the aspect ratio from the default 16:9 to raw square pixels, but it still detects it at 960x544
- because the source .mov file was exported from premiere using the animation codec, with a keyframe every 5 secs so that the .mov file won't be extremely large, the animation codec doesn't use all 24fps all the time, it uses all 24fps only where there is quick movement in the movie, but where the movie does not have something in it that moves quickly, then it uses less than 24fps. The problem with this is that QuickTime shows an average of 12fps and Squeeze will compress it at 12fps instead of 24fps
- I tryed to chage the 1:1 fps to 24fps in the preset, but it still compress it at 12fps

what I've did wrong ?

[minidv2dvd]

don't use the program myself but it probably needs the resolution to be divisible by 16. it's a common requirement for lots of formats.

[edDV]

I don't envy phpmysql348's job.

Is this 960x540p source?
Is the frame rate 25fps or true 24fps?

[phpmysql348]

I don't envy phpmysql348's job.

Is this 960x540p source?
Is the frame rate 25fps or true 24fps?

the source is 960x540 .mov file (after what quicktime says, and it is exported from premiere from a project with the resolution set to 960x540)

the frame rate is 24fps, BUT it is kind of a dynamic fps because of the Animation codec, wich detects movement in the video, and it gives 0-3 fps when nothing moves, and the max 24fps when somethinfg in the movie is moving quickly. Because of this, squeeze 5 doesn't want to compress it at 24fps, instead it detects that it has only 12fps, wich I guess is the average of those dinamic 24fps

[minidv2dvd]

you might need to convert to an intermediate lossless format first, or frameserve the weird file to squeeze.

better yet would be to save the animation in a more encoder friendly format to begin with.

[edDV]

I don't envy phpmysql348's job.

Is this 960x540p source?
Is the frame rate 25fps or true 24fps?

the source is 960x540 .mov file (after what quicktime says, and it is exported from premiere from a project with the resolution set to 960x540)

the frame rate is 24fps, BUT it is kind of a dynamic fps because of the Animation codec, wich detects movement in the video, and it gives 0-3 fps when nothing moves, and the max 24fps when somethinfg in the movie is moving quickly. Because of this, squeeze 5 doesn't want to compress it at 24fps, instead it detects that it has only 12fps, wich I guess is the average of those dinamic 24fps

I would think this file would need conversion to a fixed frame rate (e.g. 24fps) before Sorenson or Premiere can process it.

[Cornucopia]

If you're using the "Animation Codec" supplied by Quicktime, it DOES NOT have VFR (variable frame rates). NONE of the standard QT codecs support vfr. It may certainly apply different bitrates to delta frames as opposed to keyframes, but that doesn't make it vfr.

#1 what you need to do is understand that if you're encoding to a format that uses DCT (with blocks & macroblocks) such as MPEG1, MPEG2, MPEG4, DivX, Xvid, Real10, h.264, FLV, WMV, etc you really ought to have your resolution set at a mod4 or mod8 or better still mod16 size. IOW, the dimensions have to be evenly divisible by 16. 540 is NOT, 544 IS. Fix it by padding, or by changing your Premiere preset and re-exporting.

#2, 5 keyframes is a strange stepsize for 24fps. Why not something evenly divisible there as well, like 4 or 6 or 12 (i.e. 1/2 sec).

#3 the 24fps may have been the source fps from camtasia, that doesn't mean your Premiere settings were 24fps, nor that you exported at that rate. It could very well be that your Premiere settings were set to 12fps, in which case you'd need to re-adjust your Premiere settings 1st and then re-export with those new settings.

#4 Do you have enough drive space or not? If so, use a lossless compression (Animation Codec @100% with ALL keyframes is one example) or uncompressed, then load that into Squeeze. If you don't have the drive space, FRAMESERVE with something like DebugMode's frameserver. You would run Premiere and Squeeze at the same time and export the "placeholder/signpost" file, which Squeeze would then compress.

#5, why are you using squeeze at all? You could just as easily install ffdshow and encode directly from Premiere.

Scott

[phpmysql348]

problem solved, I've checked the "letterbox or pillar" option in squeeze, and it doesn't stretch the 540 to 544 anymore, instead, it adds 2 px of black at the top of the video frames, and 2 px of black at the bottom

about the fps problem, when exporting from premiere, if I use TechSmith Screen Capture instead of QuickTime Animation, the fps is the same as the source (24fps). If I export using Animation, then Squeeze will detect 12fps instead of 24... weird.