convert and resize all files from ORIGINALNI to SMANJENI. bat is in directory above:
FOR /F "tokens=*" %%G IN ('dir ORIGINALNI /b /a-d') DO ffmpeg -i "ORIGINALNI\%%G" -codec:v h264_qsv -profile:v high -preset slower -b:v 1000k -vf scale=-1:576 -threads 0 -codec:a aac -b:a 196k "SMANJENI\%%G.mp4"