[MPlayer-users] Ignored "rotate 90 deg" in MOV file from Nikon camera

Rich Felker dalias at aerifal.cx
Tue Aug 9 03:07:18 CEST 2005

On Mon, Aug 08, 2005 at 05:40:40PM +0200, Mario Valle wrote:
> My Nikon COOLPIX camera can take small MOV movies.
> The companion application PictureProject imports those movies and can 
> rotate them 90 deg clockwise (as it can do with images).
> The resulting MOV file viewed inside the application or with the Quicktime 
> viewer looks correctly rotated.
> Instead playing it in Mplayer show the clip in the original orientation. 
> Seems the Nikon program sets some flag in the MOV header that is 
> interpreted as "rotate 90 deg cw" by the player, but ignored by mplayer.
> I know I can use -vf rotate=1 to watch the movie, but I want to know if it 
> is a bug.

No, it's not a bug. MPlayer does not, and will not, honor headers that
force filters to get loaded. It could be added as an optional feature
perhaps, though..

> I have one small example if needed. Where can I upload it? 
> ftp://ftp.mplayerhq.hu/MPlayer/incoming/ is down.

Hopefully it will be back soon. The disk crashed.


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