[Ffmpeg-cvslog] r6876 - trunk/libavcodec/motion_est.c

[Corey Hickey]

michael wrote:
> Author: michael
> Date: Fri Nov  3 00:36:39 2006
> New Revision: 6876
> 
> Modified:
>    trunk/libavcodec/motion_est.c
> 
> Log:
> new I/P frame selection heuristic
> PSNR/bitrate is slightly better for my (short) test videos
> more tests welcome ...
> 
> 
> Modified: trunk/libavcodec/motion_est.c
> ==============================================================================
> --- trunk/libavcodec/motion_est.c	(original)
> +++ trunk/libavcodec/motion_est.c	Fri Nov  3 00:36:39 2006
> @@ -1178,13 +1178,11 @@
>          vard= check_input_motion(s, mb_x, mb_y, 1);
>  
>          if((vard+128)>>8 < c->avctx->me_threshold){
> +            int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100);
> +            int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20;

Could you please give me a really quick explanation of what information 
is stored in vard and varc? I see where they are assigned but I don't 
understand the rest of the code well enough to figure it out from context.

Thanks,
Corey