[Kdenlive-devel] kdenlive export problems

[Jared Henley]

Thanks for the reply Dan.

On Fri, May 2, 2008 at 5:07 AM, Dan Dennedy <dan at dennedy.org> wrote:

> On Tue, Apr 29, 2008 at 2:14 PM, Jared Henley <jared.henley at gmail.com>
> wrote:
> > Hi,
> >
> > I'm running into a problem with export from kdenlive.  If I export to
> raw
> > DV, the video comes out too short (eg 279 frames in, 214 frames out).
>  But
> > doing a test to a DivX worked fine, so I suspect that the problem lies
> with
> > ffmpeg/avformat rather than kdenlive.  It looks to me like a NTSC to PAL
> > framerate conversion is going on -- every 4th frame or so is dropped,
> making
> > the resulting video jerky.
> >
> > Here are the details:
> >
> > Source video:
> > PAL DV (16:9, progressive)
> >
> > kdenlive export command:
> > kdenlive_renderer "/home/pj/dada07-finished/export.sh.westley"
> real_time=0
> > resize=hyper in=0 out=280 -consumer avformat:$output_file real_time=0
> > stats_on=2 qscale=0 format=dv ildct=1 pix_fmt=yuv420p size=720x576
> > profile=dv_pal_wide
>

Can you post the export.sh.westley file somewhere or just send it here
if it is not too big?

<westley>
 <producer mlt_service="colour" id="black" />
 <producer id="0" resource="/home/pj/dada2007/capt004.dv" />
 <producer id="1" resource="/home/pj/dada07-finished/untitled.dv" />
 <tractor>
  <multitrack>
   <playlist>
    <entry in="0" out="279" producer="black" />
   </playlist>
   <playlist id="playlist2" />
   <playlist id="playlist3" >
    <entry in="0" out="279" producer="0" />
   </playlist>
   <playlist hide="video" id="playlist0" />
   <playlist hide="video" id="playlist1" />
  </multitrack>
  <transition combine="1" in="0" a_track="1" mlt_service="mix" b_track="2"
out="279" />
  <transition combine="1" in="0" a_track="1" mlt_service="mix" b_track="3"
out="279" />
  <transition combine="1" in="0" a_track="1" mlt_service="mix" b_track="4"
out="279" />
 </tractor>
</westley>

The kdenlive project is set up correctly too, in case you're wondering.


>
> Also, what does 'ffmpeg -i $output_file' say about the framerate of
> the DV export?
>

Input #0, dv, from 'untitled.dv':
  Duration: 00:00:08.6, start: 0.000000, bitrate: 28800 kb/s
  Stream #0.0: Video: dvvideo, yuv420p, 720x576, 28800 kb/s, 25.00 fps(r)
  Stream #0.1: Audio: pcm_s16le, 48000 Hz, stereo, 1536 kb/s

The kdenlive project is set up correctly too, in case you're wondering.


>
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