[FFmpeg-user] Still Image tifs to video (part 2)
eric.hollis at gmail.com
Fri Aug 10 22:24:19 CEST 2012
Thanks for the responses. Increasing the data rate made things a lot
better. Thanks for the hint about the -t 10 switch...saves much time.
As to the frame rate...I'm converting 16mm film. I built a projector that
scans each frame of film. That accounts for the odd size frame and the
frame rate. I'm trimming the frame to include as much of the picture from
the film as I can, and 16 fps is the rate the film originally ran at.
The results are quite good.
Thanks again for all the help.
On Fri, Aug 10, 2012 at 3:50 PM, Jim Shupert <jshupert at pps-inc.com> wrote:
> I have a series of 16,000 or so .tif images that I want to assemble into a
> video. I want the video to be of the highest quality possible, with no
> compression. I want to load the completed video into a video editing
> program, like Windows Movie Maker 2.6 (I'm just going to make cuts). Based
> on the advice I received yesterday, I used image magick's "mogrify" command
> to convert all of the images to 836x650 pixels. command line "mogrify
> -resize 836x650! *.tif" worked perfectly. Now I have 16,000 images all the
> same size. I want to creat an avi file that can be edited in Windows Movie
> Maker that preserves all of the quality in the images. File size is
> unimportant. I tried "ffmpeg -r 16 -b 3600 -i dw1%06d.tif dw1.avi", but am
> unhappy with the results.
> the data rate of [ -b 3600 ] 3.6 Mbps is rather low especially for a frm
> size of 836x650
> try an increase of that Num.
> example: ntsc dv would be 720x480 @ 25 Mbps and ~ 30 fps ,
> the frm size of 836x650 is rather odd itself , and 16 fps for rate .are
> you ok with that temporal resolution
> ( 16 frms per sec )
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