[Kdenlive-devel] Hi there!

Dan Dennedy dan at dennedy.org
Sun Dec 6 20:47:17 UTC 2009

On Sun, Dec 6, 2009 at 12:40 PM, Dan Dennedy <dan at dennedy.org> wrote:
> 2009/12/6 Evert Vorster <evorster at gmail.com>:
>> Hi, thanks for the help. I was following that guide as closely as my distro
>> allows.
>> I think I got most parts of it working. ( No Qimage support yet, will get
>> that tonight )
>> Already I ran into a nasty bug. I reported this to the ffmpeg guys last
>> year, but they just ignored it.
>> I have a Canon HF100 HD recorder. I record in 1920x1080x25fps, but ffmpeg
>> picks it up as 50fps.
> Just because it reports 50 fps does not mean that it will play at the
> incorrect speed; it depends more on the timestamps.
>> This messes around transcoding and kdenlive. I can
>> transcode a clip fine, but once I start slicing and dicing the clips some
> Please be more clear about how you did "transcode."
>> run at "double speed" on the video while their audio is running normally.
> I have some sample clips from the 50i/25p Canon HF100, and they work
> fine here. I did not do extensive cutting or anything, however - just
> playback in the Clip Monitor. Also, I tested the output of Kdenlive's
> Transcode to DNxHD, which just runs ffmpeg as a child, and that works
> fine as well. And I am confident that cutting on the DNxHD output will
> not give altered playback rate (less confident about that when
> directly using AVCHD).

OK, I did just see the problem when cutting the AVCHD directly.


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