[FFmpeg-user] Using CPU Capabilties

[James Darnley]

On 2012-05-15 16:26, Tarun singhal wrote:
> Hi all,
> 
> I cross compiled ffmpeg after that I found following statement while
> transcoding-
> [libx264@ 035624A0]: using cpu capabilities: none!
> 
> While the pre-built binary from *"http://ffmpeg.zeranoe.com/builds/" *It
> gave following statement while transcoding-
> [libx264@ 035624A0]:  using cpu capabilities: MMX2 SSE2Fast SSSE3
> FastShuffle SSE 4.2
> 
> Note: I executed same command in both version on same input file., I am
> using Windows 7 64-bit
> 
> What I want to know is, Do I need to reconfigure my ffmpeg build to use CPU
> capabilities.?
> I am using *--enable-runtime-cpudetect *while configuring.

You don't do anything while building ffmpeg to get that message.  You
need to rebuild (lib)x264 and stop using --disable-asm.  If you get an
error message when you attempt that, perhaps you should follow what it says.