[OpenIndiana-discuss] Fwd: Comments, please! problem with ffmpeg that seems to be a problem with OI at driver or basic library level

[Hans J. Albertsson]

Indeed it does look the same.

As far as I can see.
On 2013-05-22 18:04, Bob Friesenhahn wrote:
> On Wed, 22 May 2013, Hans J. Albertsson wrote:
>
>> (The below is a conversation between me and a former colleague from Sun)
>> Published here in an anonymous form.
>>
>> --------
>> This is what I got from first (by mistake) truss -T pollsys and then 
>> (intended) truss -T poll
>>
>> ff_network_wait_fd_timeout() + 8c.... What's that??? Must be in 
>> ffmpeg somewhere, judging by its name.
>>
>> hans at klaus%64%11:24> ps -fe | grep ffmpeg
>>    hans 29998 26978   1 11:24:56 pts/6       0:14 ffmpeg -i 
>> http://svtplay10i-f.akamaihd.net/i/se/open/20130510/1283828-004A/ENDE
>>    hans 29961     1   0   maj 15 ?           1:04 
>> /usr/local/bin/ffmpeg -i 
>> http://svtplay10i-f.akamaihd.net/i/se/open/20130510/12
>>    hans     7 22527   0 11:27:49 pts/4       0:00 grep ffmpeg
>> hans at klaus%65%11:27> ptree 29998
>> 3153  /usr/sbin/gdm-binary
>>  3668  /usr/lib/gdm-simple-slave --display-id 
>> /org/gnome/DisplayManager/Displa
>>    3794  /usr/lib/gdm-session-worker
>>      3801  gnome-session
>>        4012  gnome-terminal --sm-client-id 
>> 108f7b70c3cc7f14f013637904873352500
>>          26978 tcsh
>>            29998 ffmpeg -i 
>> http://svtplay10i-f.akamaihd.net/i/se/open/20130510
>> hans at klaus%66%11:28> truss -T pollsys -p 29998
>> pollsys(0x08046798, 1, 0x08046748, 0x00000000)    = 0
>> hans at klaus%67%11:28>
>> hans at klaus%67%11:28>
>> hans at klaus%67%11:28>
>> hans at klaus%67%11:28> pstack 29998
>> 29998:    ffmpeg -i 
>> http://svtplay10i-f.akamaihd.net/i/se/open/20130510/1283828-
>> fef141f5 pollsys  (8046798, 1, 8046748, 0)
>> feea4fa6 poll     (8046798, 1, 64, fef01058, 5, 0) + 4c
>> fd2db96c ff_network_wait_fd_timeout () + 8c
>> hans at klaus%68%11:29>
>> hans at klaus%68%11:29> truss -T poll -p 29998
>> pollsys(0x08046798, 1, 0x08046748, 0x00000000)    = 0
>> pollsys(0x08046798, 1, 0x08046748, 0x00000000)    = 0
>> hans at klaus%69%11:30> pstack 29998
>> 29998:    ffmpeg -i 
>> http://svtplay10i-f.akamaihd.net/i/se/open/20130510/1283828-
>> fef141f5 pollsys  (8046798, 1, 8046748, 0)
>> feea4fa6 poll     (8046798, 1, 64, fef01058, 5, 0) + 4c
>> fd2db96c ff_network_wait_fd_timeout () + 8c
>> hans at klaus%70%11:30>
>
> Does the ffmpeg code you are using still look like the implementation 
> viewable at http://ffmpeg.org/doxygen/trunk/network_8c_source.html?
>
> The code spins with a 100ms poll timeout until data is ready, an error 
> occurs, or an overall timeout time has expired.
>
> Bob
>
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