Remove hard-coded requirement for number of buffers.

This change use two threads to read and return buffers from/to the
encoder, so we won't block on read even if there are not enough
input buffers.

Bug: 4972572
Change-Id: Iab07da5b55ef384e1d2723b4f5d3164e5a509ebd
1 file changed
tree: cc5a2cb02f7d18c43a8f8fb2da896c8f9c504154
  1. libvideoeditor/