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. -- +-DRD-+
