Hi,

On Sat, Dec 17, 2011 at 8:35 PM, Luca Barbato <[email protected]> wrote:

> On 18/12/11 05:23, Ronald S. Bultje wrote:
>
>> Hi,
>>
>> On Sat, Dec 17, 2011 at 7:05 PM, Luca Barbato<[email protected]>  wrote:
>>
>>  On 18/12/11 02:57, Ronald S. Bultje wrote:
>>>
>>>  +            if (firstLumSrcY<   0 || firstLumSrcY + vLumFilterSize>
>>>>  c->srcH) {
>>>> +                const int16_t **tmpY = (const int16_t **) lumPixBuf + 2
>>>> * vLumBufSize;
>>>> +                int neg = -firstLumSrcY, i, end = FFMIN(c->srcH -
>>>> firstLumSrcY, vLumFilterSize);
>>>> +                for (i = 0; i<   neg;            i++)
>>>> +                    tmpY[i] = lumSrcPtr[neg];
>>>> +                for (     ; i<   end;            i++)
>>>> +                    tmpY[i] = lumSrcPtr[i];
>>>> +                for (     ; i<   vLumFilterSize; i++)
>>>> +                    tmpY[i] = tmpY[i-1];
>>>> +                lumSrcPtr = tmpY;
>>>> +
>>>> +                if (alpSrcPtr) {
>>>> +                    const int16_t **tmpA = (const int16_t **) alpPixBuf
>>>> + 2 * vLumBufSize;
>>>> +                    for (i = 0; i<   neg;            i++)
>>>> +                        tmpA[i] = alpSrcPtr[neg];
>>>> +                    for (     ; i<   end;            i++)
>>>> +                        tmpA[i] = alpSrcPtr[i];
>>>> +                    for (     ; i<   vLumFilterSize; i++)
>>>> +                        tmpA[i] = tmpA[i - 1];
>>>> +                    alpSrcPtr = tmpA;
>>>> +                }
>>>>
>>>>
>>> Since that function is already long, what about having those block as
>>> inline functions? That would make it a little more easy to understand.
>>>
>>
>>
>> See attached. I'm not a big fan of it since this code executes per-row and
>> the generalization means combining U/V is lost.
>>
>
> If there is an advantage just make a bigger function for the two cases =\


What do you mean?

Ronald
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