[FFmpeg-user] Lavfi video generator slow performance
elliottbalsley at gmail.com
Fri Apr 6 04:40:27 EEST 2018
Yes, this RAID can write at 3000MBps.
> On Apr 5, 2018, at 17:22, Kieran O Leary <kieran.o.leary at gmail.com> wrote:
>> On Fri, 6 Apr 2018, 01:11 Elliott Balsley, <elliottbalsley at gmail.com> wrote:
>> Thank you, with that suggestion I do get approximately double the speed.
>> But still my CPU usage is very low. Is there any way to get more
>> performance out of this?
>> ffmpeg.exe -f lavfi -i color=color=red:s=3840x2160 -t 60 -pix_fmt rgb48le
>> -y -s 3840x2160 TIFF\output%4d.tiff
> Well CPU could be low cos your disk can't keep up? Each Ultra HD 16 bit RGB
> frame will be about 47 megabytes. At 13 FPS,you're pushing over 600
> megabytes a second. Are you expecting your disk to perform faster than
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