On Fri, Apr 13, 2018 at 08:17:41 +0200, Paul B Mahol wrote:
> > I'm not a programmer, sorry. I guess ffmpeg is not the right tool for this
> > job. Thanks.
>
> Have you ever noticed there are other video source filters? Like life,
> cellauto
> and mptestsrc?
Indeed, if all you need is frames w
On 4/13/18, Elliott Balsley wrote:
>> Why do you convert to rgb48?
>> Do you understand that this cannot improve quality?
>
> Yes of course. I don't care about the quality, but I need sample files in
> this format to test my other program.
>
>> The mandelbrot filter is slower than the color filte
> Why do you convert to rgb48?
> Do you understand that this cannot improve quality?
Yes of course. I don’t care about the quality, but I need sample files in this
format to test my other program.
> The mandelbrot filter is slower than the color filter, yes.
> (asm optimization patch likely wel
2018-04-13 0:31 GMT+02:00, Elliott Balsley :
> ffmpeg.exe -f lavfi -i mandelbrot=s=3840x2160 -t 10 -pix_fmt rgb48le
> -f null -
Again:
Why do you convert to rgb48?
Do you understand that this cannot improve quality?
The mandelbrot filter is slower than the color filter, yes.
(asm optimization pa
> If you add " -f null -" to the above, you can test if the disk
> is the bottleneck (see "fps" in the status line).
> (The command line is supposed to occupy >= 8 cores)
Thanks for the advice everyone. I was wrong about the RAID speeds, it does
seem like disk write is the bottleneck in this cas
Hello everyone,
I'm have a slight issue trying to sync my audio and video up with an
acceptable margin of error. Here is my command:
ffmpeg -y -thread_queue_size -indexmem -guess_layout_max 0 -f
dshow -video_size 3440x1440 -rtbufsize 2147.48M ^
-framerate 100 -pixel_format nv12 -i video
Hi Folks,
I often record films on TV using "TV Headend" and use ffmpeg (h.264 with
-crf18) do compress the videos to better file sizes for permanent storage.
Source is a public service TV channel, permanentely transmitting in 720p50.
The recorded files are *.ts files in 720p50, video is aac / h.26
