Passing custom params to ffmpeg

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Adding filmstrip ffmpeg pool

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Kill 'here' logs messages

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Merge branch 'scrape-filmstrip' into filmstrip-visual-fixes