[Kdenlive-devel] Beginner: coverting avi to kdenlive format

[Rolf Dubitzky]

On Saturday 01 May 2004 23:10, Simon wrote:
> Thanks.  From the website I see that I need either DV or AVI DV as the
> output file.  So that should mean the following would have been necessary,
> but it ends in a segmentaton fault.

I guess you have to talk to transcode guys about that.

> Could not find matching colorspace - retrying with -vf scale...
> Opening video filter: [scale]
> VDec: using Planar 422P as output csp (no 1)
> Movie-Aspect is undefined - no prescaling applied.
> SwScaler: reducing / aligning filtersize 1 -> 4
> SwScaler: reducing / aligning filtersize 1 -> 4
> SwScaler: reducing / aligning filtersize 1 -> 1
> SwScaler: reducing / aligning filtersize 1 -> 1
>
> SwScaler: BICUBIC scaler, from Planar 422P to Packed YUY2 using MMX2
> DV: only 720x480 (NTSC) and 720x576 (PAL) resolutions allowed! Try with -vf
> scale=720:480
> Pos:  23.4s    351f (99%)  22fps Trem:   0min  40mb  A-V:0.000 [14400:0]
>
> But this file could was 7x bigger than the original 

What did you expect? Your input is 

 VIDEO:  [MJPG]  320x240  24bpp  15.000 fps  2274.7 kbps

you output is supposed to be 144000byte*25fps = 28125 kbps
so you can be happy if it was just a factor of 7. Actually that means that the 
ouput is no real DV (25 or 30 fps) but DV with 15fps.

> and anyway did not seem 
> playable by kdenlive.

at this point piave (and thus kdenlive) is not the right tool to cut AVI. 
The primary (and right now, the only) target is DV.

piave uses libdv to codec DV video. ffmpeg supports reading and now also 
writing of DV video and I might try to replace libdv by ffmpeg at some point. 
Maybe that makes it easier for somebody else to espand piaves capabilities to 
mpeg and other formats (mjpeg inyour case). 

Cheers, Rolf




> So I'm still stuck... :-(
> Sim
>
> On Saturday 01 May 2004 19:19, QDVDAuthor wrote:
> > Sim, you can check out :
> > http://forums.gentoo.org/viewtopic.php?t=117709
> >
> > especially the transcode section ....
> >
> > Sim wrote:
> > >Hi,
> > >
> > >my avi files are coming from my digital camera (Canon S50) and I know
> > > they cannot be read by kdenlive directly.  With a lot of work I managed
> > > to convert some to DV to work with kino but these don't seem to work
> > > for kdenlive. Meanwhile the converted files were 5x larger than the
> > > originals!
> > >
> > >Can someone help me with the specific comands to convert to a format
> > > kdenlive can del with?
> > >
> > >Sim
> > >
> > >
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