[FFmpeg-cvslog] Do not use AVFMT_FLAG_NONBLOCK for the output file.
Tue Mar 8 21:10:47 CET 2011
L'octidi 18 vent?se, an CCXIX, M?ns Rullg?rd a ?crit?:
> But what does it break, or in other words, why was that flag being set?
AFAIK, the only risk is that with some versions of ALSA and/or kernels (but
not mine nor Carl Eugen's), ffmpeg may block indefinitely if the sound card
is already opened instead of failing immediately.
AVFMT_FLAG_NONBLOCK is very rarely implemented, as far as I can see, ALSA is
the only output device that takes it into account.
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