[Ffmpeg-devel] Differences between mencoder and ffmpeg whenencoding using x264

[Erik Slagter]

On Tue, 2006-02-21 at 11:09 +0000, Robert Swain wrote:

> So...
> 
> -ac -loop -partitions parti4x4+partp8x8+partb8x8 -me_method 7 -subq 5 
> -me_range 16 -chroma -trellis 1 -gop_size 250 -keyint_min 25 -sc_threshold 40 
> -bit_rate_tolerance 3000 -rc_eq 'blurCplx^(1-qComp)' -qcompress 0.60 -qmin 10 
> -qmax 51 -max_qdiff 2 -rc_buffer_size 8000000 -i_quant_factor 0.71
> 
> ...should bring them into line. me_method 7 corresponds to hex. I think qpstep 
> is 4 in the x264 cli. ip_ratio = 1/abs(i_quant_factor). The rest of the 
> differences you should be able to see. I think these command line options are 
> correct but I may be wrong. Also, I don't know if the mencoder options are 
> synced to the x264 cli precisely. They're pretty close though.

Pretty simple to check using the same method. Will do so shortly.
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