[Libva] [PATCH] VP8 HWEnc: Modify qp threshold value for mode cost calculatation

Xiang, Haihao haihao.xiang at intel.com
Thu Jun 11 17:21:56 PDT 2015


Applied, thanks for the patch.

> The patch is helpful to improve quality when qp is lower than the
> threshold value.
> 
> Signed-off-by: Zhong Li <zhong.li at intel.com>
> ---
>  src/gen6_mfc_common.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/gen6_mfc_common.c b/src/gen6_mfc_common.c
> index 6823fb6..53e31de 100644
> --- a/src/gen6_mfc_common.c
> +++ b/src/gen6_mfc_common.c
> @@ -970,7 +970,7 @@ void intel_vme_vp8_update_mbmv_cost(VADriverContextP ctx,
>              mv_count++;
>  	}
>  
> -	if (qp < 32 ) {
> +	if (qp < 92 ) {
>              vme_state_message[MODE_INTRA_16X16] = 0x4a;
>              vme_state_message[MODE_INTRA_4X4] = 0x4a;
>              vme_state_message[MODE_INTRA_NONPRED] = 0x4a;




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