[mythtv] [PATCH] mythfrontend segfault fix

[vitold]

Hi,

I'am a litle conffused, I realise that my first patch wasn't very clear, there was a second fix for a segfault than can occur at the end of the playback becose of a bad sycronization of two threads:

NuppelVideoPlayer::OutputVideoLoop end and destroy the videoOutput class at the line 1547(delete videoOutput)
but the NuppelVideoPlayer::StartPlaying while loop can be still running and calling the videoOutput pointer.

This patch put a small loop wich will waite for NuppelVideoPlayer::StartPlaying to end

Best regards

Vitold
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