[vlc-devel] vlc: svn commit r25020 (courmisch)

[techfreak]

Hello Rémi

I still have the problem with net_Read and my vnc-video-filter plugin. 
This may be the same problem as Tony has.

After a short time, net_Read on the vnc socket (called in a seperate 
thread) returns with -1 and writes the logmessage "socket xy polling 
interrupted", but the socket is still open. The polling feature seems to 
not work correct here.

What's the meaning of "polling" here? You already wrote that only 
Windows needs this.Should it wait until data is available? "recv" from 
winsock2 is already a blocking function returning not before some data 
is available.

Regards, Matthias


 

Rémi Denis-Courmont schrieb:
> Le Saturday 09 February 2008 23:41:42 Tony Anecito, vous avez écrit :
>   
>> Even though I put in a hack that is now confirmed by
>> other people testing fixes the video freeze problem
>> for them I am trying to understand if there is some
>> more things I should look into to help out since I can
>> hopefully debug this issue.
>>     
>
> vlc_object_waitpipe() and vlc_object_kill() are obvious suspects.
>
>   
>> It seems as if once the pollin is set for the
>> fd[1].revents the code stays stuck in that state
>> forever.
>>     
>
> It may very well be that whatever calls net_Read() fails to check b_die or 
> vlc_object_alive(), and keeps retrying to net_Read() even though it should 
> actually be terminating. That would be caller-specific though,
>
>   
>> Where should I start to look to find out why it stays
>> stuck in that state so I can help with this error?
>>     
>
> It stays stuck in this interrupted state if the caller fails to handle the 
> interruption, i.e. fails to terminate.
>
>   
>> Seems like elsewhere in the VLC code the fd from the
>> waitpipe should change state so the reading of the
>> video stream (file actually) can continue to the end.
>>     
>
> If the waitpipe is readable, the object has been vlc_object_kill()'d, so it 
> should definitely NOT continue to the end.
>
>   
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