[x264-devel] Dual 6-core encoding problem in ABR mode

[BugMaster]

On Wed, 16 May 2012 17:56:41 +0000, Steve Li wrote:
> Hi all,
>  
> I am having problem encoding with my machine. It has 2 physical
> processors (Westmere 6-core xeon). With hyper-threading enabled, it
> has a total of 24 physical + logical processors. Basically I am
> encoding 1920x1080p24, i_rc_method set to 2 (ARB). If I leave the
> variable i_threads to 0, the encoding fails within the first few
> frames (x264_encoder_encode() returns a negative number).
>  
> If I set i_threads to something like 16, the encoding is fine. If I
> change the frame size to SD (i.e. 720x480), its also fine. Changing
> i_rc_method to 1 (rate control) is also fine.
>  
> Your help is appreciated. This is my first post. If I am on the wrong forum, please let me know.
>  
> Steve
>  

Hi. Did you read log x264 printed or if you overwritten pf_log
callback than what it send through it? Most likely is that it simply
failed to allocate more memory according to your symptoms. Btw, you
didn't specify your OS and other things (like RAM and other).