Re: [FFmpeg-user] How to create trapezoid videos with ffmpeg?

2014-10-18 Thread Zenny
@Moritz and @Nick: Thanks for the very useful inputs. Appreciate that! On 10/17/14, Nicholas Robbins nickrobbins-at-yahoo@ffmpeg.org wrote: On Thursday, October 16, 2014 11:59 AM, Moritz Barsnick barsn...@gmx.net wrote: Hi Zenny, On Wed, Oct 15, 2014 at 10:55:40 +0200, Zenny wrote:

Re: [FFmpeg-user] How to create trapezoid videos with ffmpeg?

2014-10-18 Thread Moritz Barsnick
On Fri, Oct 17, 2014 at 11:18:04 -0700, Nicholas Robbins wrote: Ok, I'm not sure what you meant by an easy way, but the formula for what to put into the perspective filter options to essentially have it be the inverse (where to send the corners, not what to send to the corners) is huge mess,

[FFmpeg-user] [FFmpeg-devel] Patch to create trapezoid videos with ffmpeg.

2014-10-18 Thread Nicholas Robbins
On Saturday, October 18, 2014 8:55 AM, Nicholas Robbins nickrobbins-at-yahoo@ffmpeg.org wrote: On Saturday, October 18, 2014 8:36 AM, Moritz Barsnick barsn...@gmx.net wrote: You basically got it right. (I happened to follow the thread on ffmpeg-devel, thanks for forwarding it.)