[FFmpeg-user] webm muxer (-f webm) seems slow

[Carl Eugen Hoyos]

Jun Jie Pang <junjiepang <at> gmail.com> writes:

> $ ffmpeg -f x11grab -framerate 60 -s 1280x720 -i :2.0 
> -vcodec libvpx -vb 1500k -minrate 1500k -maxrate 1500k 
> -threads 11 -rt_bufsize 0 -bufsize 0 -deadline realtime 
> -cpu-used -5 -threads 11 -fflags nobuffer -avioflags
> direct -max_delay 0 -muxdelay 0 -muxpreload 0 -f webm -

Is muxing webm slow or using the libvpx encoder?

Carl Eugen