[FFmpeg-user] Flipping Iphone videos

Lou lou at lrcd.com
Thu Nov 15 07:44:29 CET 2012

On Wed, 14 Nov 2012 13:45:05 +0800
Kai Hendry <hendry at iki.fi> wrote:

> Hi guys,
> I took a video from my iphone5, had dropbox upload it. Then on my
> server I encoded into mp4/webm using
> https://github.com/kaihendry/recordmydesktop2.0
> However it appeared upside down when I tried to view either the
> mp4/webm: http://r2d2.webconverger.org/2012-11-14/silent-boot-not-flipped.html
> Ok, I'll flip it then, which I did in:
> http://r2d2.webconverger.org/2012-11-14/silent-boot.html
> However that version appears upside down for Safari users. Not winning.
> So does anyone know where this flipping problem lies? FFMPEG, Safari or Chrome?
> I did search around and I found a couple of inactive bugs:
> https://ffmpeg.org/trac/ffmpeg/ticket/1423
> https://ffmpeg.org/trac/ffmpeg/ticket/515
> The original file is here:
> http://r2d2.webconverger.org/2012-11-14/silent-boot.mov
> I hope someone can help with this frustrating problem! Many thanks,

Please provide your actual ffmpeg commands,the complete console
outputs, and any other required information and input files so we can
attempt to duplicate your issue.

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