Trying to resize a 1280x720 video to 33%
ffmpeg -y -i 2019_12_05_09_55_25.mp4 -i 2019_12_05_09_55_25.ass -filter_complex "[0:v]scale=iw*0.33:-1[video]" -map [video] -map 0:a -c:a copy -map 1 2019_12_05_09_55_25 (33%).mkv
height not divisible by 2 (422x237)
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height