Usage:

disttranscode --input location --filter f1 param1 param2 --filter f2 param1 param2 output-location

filters have its name and parameter and they are applied in order they are specified

• id - copy video
• grayscale - convert video to grayscale
• resize newwidth newheight - resize video
• watermark x y text fontsize color startFrame endFrame - put watermark on video
• image x y image-location startFrame endFrame - put image on whole video

output can be:

• file location
• chromecast
• video played on master node

For instance, to resize video a.mp4 to 1000x1000 and distribute that work on two nodes and write result as b.mp4:

mpirun -n 2 ./disttranscode -i a.mp4 -f resize 1920 1080  b.mp4

• libav
• openmpi