option "duration" d #~~~~~~~~~~~~~~~~~~ "prebuffer time" int typestr="milliseconds" default="200" optional details=" Wait that many milliseconds before letting data go through. The time interval starts when the first data byte is seen by this filter. " option "size" s #~~~~~~~~~~~~~~ "amount of data to prebuffer" int typestr="bytes" default="0" optional details=" Wait until that many data bytes are available in the input buffer. The default value of zero means to not prebuffer by size at all. If both --duration and --size options are given and non-zero, the filter waits until both conditions are met. "