Try if changing the JS to poll the Flash engine for status will improve playback smoothness.
Increase the polling interval "a bit"
Increase frame rate of the SWF.
Resuming a live stream now discards the NetConnection and reconnects. This makes it possible to use a non-zero buffetTime value which is needed with Chrome's PepperFlash to get the stream playing smoothly.
Revert to a sane polling interval of 250 milliseconds when querying the status from the flash engine.
Merge pull request #710 from flowplayer/feature/flash-polling

Try if changing the JS to poll the Flash engine for status will improve ...