[Ffmpeg-devel] [RFC] Fraps v2 support

Kostya kostya.shishkov
Fri Nov 3 13:56:30 CET 2006


On Fri, Nov 03, 2006 at 12:03:52PM +0700, Roine Gustafsson wrote:
> 
> On Nov 3, 2006, at 1:24 AM, Kostya wrote:
> 
> >Please test if patch attached confirms to $subj. I have only a bit  
> >of one
> >sample here.
> 
> Yay! Very nice work.
> 
> >+    /* XXX this bitreader ignores every 32th bit so lavc bitreader  
> >cannot be used*/
> 
> No it doesn't, it reads and uses all 32 bits in order. But they're in  
> blocks of 32bit little-endian order.
> Maybe use a temporary byteswapped buffer?

Yes, I misunderstood it. And updated Multimedia Wiki too.

> >+                    if(size <= 0){
> >+                        av_log(s->avctx, AV_LOG_ERROR, "Code went  
> >out of bounds\n");
> >+                        return -1;
> >+                    }
> 
> Should be if (size <= 3)
> 
> >  * Only decodes version 0 and 1 files.
> [...]
> >                "This codec can only decode version 0 and 1.\n",  
> >version);
> 
> Not anymore!

Right, updated.

> 
> Interesting that they use top prediction and not left or a midpred...
> 
> BTW: If you're all bored now, can I suggest looking into Indeo4/5? ;)

That question should go to Maxim Poliakovski who RE'd I263 and IMC.
 
>   Roine
> 




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