[MEncoder-users] avi to h264 crashing itunes

Christian Ebert blacktrash at gmx.net
Sat Sep 13 15:45:25 CEST 2008


* Guillaume POIRIER on Friday, September 12, 2008 at 22:54:33 +0200
> On Fri, Sep 12, 2008 at 7:36 PM, Sebastian Kemper <sebastian_ml at gmx.net> wrote:
>> Actually, have a look at the --help output of the x264 binary:
>> 
>> -t, --trellis <integer>     Trellis RD quantization. Requires CABAC.
>> 
>> I didn't check the source, really, but if the x264 guys write it
>> down ...
> 
> I'm happy to be proven wrong. Here's what's written in line 488 of
> encoder/encoder.c of x264 sources:
> 
>    if( !h->param.b_cabac )
>        h->param.analyse.i_trellis = 0;
>    h->param.analyse.i_trellis = x264_clip3( h->param.analyse.i_trellis, 0, 2 );
> 
> 
> 
> Now, I'd like to know if trellis _can't_ be implemented without cabac
> or it's just that x264 folks just didn't care to implement that.
> 
> /me joins #x264

And, did you get answers?

c
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