omxplery stdout does't sync show

[iahu]

Hi, I use nodejs spwan module to controll omxplayer. I handle omxplayer's stdout to nodejs process stdout. When I put - key to volume down, the volume feedback message not show until nodejs process exited.

fetching playlist ...
pipe
|> title: White Reply    artist:Akeboshi    length:4:42    like ? No
-
-
-
-
-
-

layer stdout Audio codec mp3 channels 2 samplerate 44100 bitspersample 16
Subtitle count: 0, state: off, index: 1, delay: 0
Current Volume: -3.00dB
Current Volume: -6.00dB
Current Volume: -9.00dB
Current Volume: -12.00dB
Current Volume: -15.00dB
Current Volume: -18.00dB
Stopped at: 00:00:10
have a nice day ;)

[jehutting]

Have a look at popcornmix#112

stdout is line buffered.
Piping will use larger (e.g. 4K) buffers. This is standard linux stuff and not really to do with omxplayer.

[iahu]

Thanks @jehutting