ffmpeg, making gif or video, how to make the "PLAY" faster, fps=1 dont work

Question

i have this problem, i download a gif, i extract all the jpgs from it, i modified the jpg, then i was trying to recreate the gif using the new jpgs, but i found that whatever i try, no matter if is a software or ffmpeg, my gif play far slowly that the original gif.

i try several softwares, some options say, "interval", "frame delay", "animation delay time" i try the lowerest number in all these softwares, and the result is never the same as the original gif.

then i find ffmpeg, and i like it, but even in my research i still cannot find the correct setting to make my gif or clip as the original one. should be not difference, rigth?, the original gif have a timeplay of 44 seconds, i dont deleted or added new jpegs to the ones extracted. the original gif send me 2100 and that is the same number i use. and the best result i have till now is 01 minute 28 sec.

the options, "-vf fps=1", "-r 1", -framerate 1" and "-framerate 1/1" is not the correct ones?????

can someone tell me what option i need to add to make faster the playtime of the gif or clip???

i want to use these jpgs to make a clip (webm or mp4) but also dont mind if only can make as a gif.

thanks for your help.

Answer 1

To play 2100 JPGs in 44 seconds, you'll need a framerate of around 50, so.

ffmpeg -framerate 50 -i img%d.jpg -pix_fmt yuv420p video.mp4