[streaming] transcoding 0.8.6e, h264 and number of threads used

[Vanhaute Nicolas]

hello

thanks for your reply

but I don't use 0.9.8 because it doesn't work for me with my vlm file,  
no one andswered me to help me so I stay with 0.8.6
second, I use x264 and not flv to encode my stream
third, I have only one stream but in vlm I use mosaic to solve some  
problem that could occur during streaming (works well)

so I'm a bit lost, impossible to be on 0.9, and 0.8 doesn't use all my cpu

if you have an idea or if you can help me, that would be great

thanks

regards

Nicolas

Quoting Alejandro <cdgraff at gmail.com>:

> Hi Nicolas,
>
> Currently I use VLC media player - version 0.9.8a and the Multithred
> work excellent without any special setting.
>
> The server is: HP DL585 with 4 Quad-Core AMD Opteron (16 cores) and 24GB RAM
>
> I use VLM for transcode 14 MPEG4 stream to FLV
>
> Tasks: 216 total,   1 running, 215 sleeping,   0 stopped,   0 zombie
> Cpu0  : 35.9%us,  0.0%sy,  0.0%ni, 64.1%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu1  : 39.1%us,  0.0%sy,  0.0%ni, 60.9%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu2  : 20.1%us,  0.7%sy,  0.0%ni, 79.2%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu3  : 25.2%us,  1.3%sy,  0.0%ni, 73.2%id,  0.0%wa,  0.0%hi,   
> 0.3%si,  0.0%st
> Cpu4  : 24.2%us,  0.0%sy,  0.0%ni, 75.8%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu5  : 37.4%us,  0.0%sy,  0.0%ni, 62.6%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu6  : 19.3%us,  0.0%sy,  0.0%ni, 80.7%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu7  : 24.6%us,  0.7%sy,  0.0%ni, 74.8%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu8  : 34.9%us,  0.0%sy,  0.0%ni, 65.1%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu9  : 34.8%us,  0.0%sy,  0.0%ni, 65.2%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu10 : 24.8%us,  0.3%sy,  0.0%ni, 74.8%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu11 : 25.2%us,  1.3%sy,  0.0%ni, 73.4%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu12 : 37.7%us,  0.3%sy,  0.0%ni, 61.9%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu13 : 44.5%us,  0.0%sy,  0.0%ni, 55.5%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu14 : 18.3%us,  0.3%sy,  0.0%ni, 81.4%id,  0.0%wa,  0.0%hi,   
> 0.0%si,  0.0%st
> Cpu15 : 24.4%us,  6.9%sy,  0.0%ni, 64.0%id,  0.0%wa,  1.0%hi,   
> 3.6%si,  0.0%st
> Mem:  24670052k total,  1972896k used, 22697156k free,   156360k buffers
> Swap:  2031608k total,        0k used,  2031608k free,   435356k cached
>
> Regards,
> Alejandro
>
> 2009/3/5 Nicolas VANHAUTE <nicolas.vanhaute at ac-clermont.fr>:
>> hi,
>>
>> I'm trancoding a live event with vlc 0.8.6e (in a VLM conf file).
>> I changed server because of cpu usage (too high), now I have bi xeon 2.6
>> GHz.
>>
>> It seems to me that VLC doesn't use several cpu, I even tested threads=0 1 2
>> 3 or 4... and same result.
>>
>> I get that with top :
>>
>> top - 11:40:46 up 1 day, 23:11,  2 users,  load average: 1.04, 0.98, 0.84
>> Tasks:  70 total,   1 running,  69 sleeping,   0 stopped,   0 zombie
>> Cpu0  :  0.3%us,  0.0%sy,  0.0%ni, 99.7%id,  0.0%wa,  0.0%hi,  0.0%si,
>> 0.0%st
>> Cpu1  :  0.0%us,  0.3%sy,  0.0%ni, 99.7%id,  0.0%wa,  0.0%hi,  0.0%si,
>> 0.0%st
>> Cpu2  :100.0%us,  0.0%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi,  0.0%si,
>> 0.0%st
>> Cpu3  :  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,
>> 0.0%st
>> Mem:   4150096k total,   399772k used,  3750324k free,    52136k buffers
>> Swap:  1502036k total,        0k used,  1502036k free,   253864k cached
>>
>>  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>>
>>  4321 nvanhaut  20   0  156m  38m 7572 S  101  1.0   6:51.42 vlc
>>
>> any idea how to use multithreads ?
>>
>> Thanks
>>
>> regards
>>
>> Nicolas
>> --
>> __________________________________________________
>> Nicolas Vanhaute
>> Rectorat de Clermont-Ferrand
>> Centre Informatique Académique
>> 3, Av. Vercingetorix - 63033 Clermont-Ferrand
>> Mel : nicolas.vanhaute at ac-clermont.fr
>> Tel : +33 4 73 99 30 52 Fax : +33 4 73 99 30 21
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