[vlc-devel] vout questions

j.zorko at att.net j.zorko at att.net
Thu Sep 11 06:42:38 CEST 2003

Hello, all ...

I've some questions regarding the video output thread.  If someone who is intimate with this 
code could answer them, i'd appreciate it!

1. Is there an mwait() or msleep() call that determines when to decode / display a picture, 
analogous to the mwait() used to read from the source at the correct rate?  I've been looking for 
this, to no avail.

2. The STATE_SLICE state in the libmpeg2 interface (libmpeg2.c) ... this seems to be where the 
picture is timestamped, but why here?  Also, what is this 'picture_to_destroy' stuff?  I understand 
a bit more about these parts of VLC than I did before, but i'm still mostly lost here.  Any 
guidance would be wonderful ...

3. The way I understand the late picture thing is this: if a picture is late, it's dropped before it's 
rendered, so late pictures shouldn't make other consecutive pictures late.  However, i've an 
instance where this is happening, so i'm trying to figure it out ...

4. We're seeing a weird crash after playing an MPEG2 TS for 15-20 minutes, but only when we 
ran VLC with --fullscreen.  Has anyone else noticed anything like this?

Thanks in advance to anyone who can help ...



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