ffmpeg -r 24 -start_number 32 -i DSC_%04d.JPG -s hd1080 -vcodec libx264 timelapse.mp4
-r 24- output frame rate-start_number 32- if filenames don't start at 0000, then specify start number-i DSC_%04d.JPG- e.g. DSC_0397.JPG-s hd1080- 1920x1080 resolution
Add the following after -vcodec libx264 to achieve better quality output
-crf 18 -preset slow