[FFmpeg-user] Output image sequence duplicate first image

[Carl Eugen Hoyos]

> Am 20.04.2020 um 18:16 schrieb adam smith via ffmpeg-user <ffmpeg-user at ffmpeg.org>:
> 
> 
>> On 20 Apr 2020, at 16:03, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
>> Use -vsync 0 and remove -r.
> 
> Thanks for your help Carl. 
> Adding the -vsync 0 and removing -r did resolve the issue duplicate image output but did not allow me to specify the frequency of the image grabs. 
> I will search about for something to allow the frequency to be included. 

Sorry, I misunderstood:
Use the output option -r or the fps filter to control the frequency of the image grabs. They will show different behaviour wrt the beginning of the grab cycle.

Carl Eugen