[FFmpeg-user] h264_vaapi missing frames

[Mark Thompson]

On 23/03/18 01:28, Kai Hendry wrote:
> Thank you Moritz! Damn, I feel like a fool. ;)
> 
> Unfortunately Mark's suggestion doesn't seem to have an impact.
> 
> As you hopefully can see here:
> https://s.natalian.org/2018-03-23/1521768226.mp4
> 
> The mouse still doesn't move smoothy across the screen. Hence I feel
> it's dropping frames!
> 
> https://s.natalian.org/2018-03-23/1521768226.mp4.log
> ...
> *** 38 dup!
> ...
> *** 33 dup!
> ...
> *** 40 dup!
> ...
> *** 39 dup!
> ...
> *** 40 dup!
> ...
> *** 38 dup!
> ...
> *** 40 dup!
> ...
> *** 39 dup!
> ...
> *** 39 dup!
> ...
> *** 39 dup!
> frame=  439 fps= 30 q=-0.0 Lsize=    1870kB time=00:00:14.58 bitrate=1050.4kbits/s dup=381 drop=34 speed=0.985x    

This is still duplicating a very large number of frames for video sync.  As suggested previously, please try with video sync disabled ("-vsync 0") or without audio.

- Mark