[x265] [PATCH] _upBuff1: scale down fron int32_t to int8_t

[Steve Borho]

On 01/02, praveen at multicorewareinc.com wrote:
> # HG changeset patch
> # User Praveen Tiwari
> # Date 1419425866 -19800
> # Node ID 1629b8b3c5961dd50f458d44a30ae7c90fd15898
> # Parent  56e45fb0464e062a0026ab3e826b749527e4fa08
> _upBuff1: scale down fron int32_t to int8_t

queued

> diff -r 56e45fb0464e -r 1629b8b3c596 source/encoder/sao.cpp
> --- a/source/encoder/sao.cpp	Fri Jan 02 17:03:33 2015 +0530
> +++ b/source/encoder/sao.cpp	Wed Dec 24 18:27:46 2014 +0530
> @@ -582,8 +582,8 @@
>      int skipB = plane ? 2 : 4;
>      int skipR = plane ? 3 : 5;
>  
> -    int32_t _upBuff1[MAX_CU_SIZE + 2], *upBuff1 = _upBuff1 + 1;
> -    int32_t _upBufft[MAX_CU_SIZE + 2], *upBufft = _upBufft + 1;
> +    int8_t _upBuff1[MAX_CU_SIZE + 2], *upBuff1 = _upBuff1 + 1;
> +    int8_t _upBufft[MAX_CU_SIZE + 2], *upBufft = _upBufft + 1;
>  
>      // SAO_BO:
>      {
> @@ -680,7 +680,7 @@
>              {
>                  for (x = 0; x < endX; x++)
>                  {
> -                    int signDown = signOf(rec[x] - rec[x + stride]);
> +                    int8_t signDown = signOf(rec[x] - rec[x + stride]);
>                      int edgeType = signDown + upBuff1[x] + 2;
>                      upBuff1[x] = -signDown;
>  
> @@ -725,7 +725,7 @@
>                  upBufft[startX] = signOf(rec[startX + stride] - rec[startX - 1]);
>                  for (x = startX; x < endX; x++)
>                  {
> -                    int signDown = signOf(rec[x] - rec[x + stride + 1]);
> +                    int8_t signDown = signOf(rec[x] - rec[x + stride + 1]);
>                      int edgeType = signDown + upBuff1[x] + 2;
>                      upBufft[x + 1] = -signDown;
>                      stats[s_eoTable[edgeType]] += (fenc[x] - rec[x]);
> @@ -771,7 +771,7 @@
>              {
>                  for (x = startX; x < endX; x++)
>                  {
> -                    int signDown = signOf(rec[x] - rec[x + stride - 1]);
> +                    int8_t signDown = signOf(rec[x] - rec[x + stride - 1]);
>                      int edgeType = signDown + upBuff1[x] + 2;
>                      upBuff1[x - 1] = -signDown;
>                      stats[s_eoTable[edgeType]] += (fenc[x] - rec[x]);
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-- 
Steve Borho