[FFmpeg-user] confusion with "-vsync 1" / "-vsync cfr" and "-map" (to sync audio to video)

[Carl Eugen Hoyos]

tracey jaquith <tracey <at> archive.org> writes:

> yes, I tried various -async options.
> 
> the "special" version of "-async 1" seemed to do fine

Then please use it, documentation is in the filter 
section of the main documentation.

Carl Eugen