Function CompareLine

codec/processing/src/scrolldetection/ScrollDetectionFuncs.cpp:99–108

* compare pixel line between previous and current one * return: 0 for totally equal, otherwise 1 */

 * return: 0 for totally equal, otherwise 1
 */
int32_t CompareLine (uint8_t* pYSrc, uint8_t* pYRef, const int32_t kiWidth) {
  int32_t iCmp = 1;

  if (LD32 (pYSrc) != LD32 (pYRef)) return 1;
  if (LD32 (pYSrc + 4) != LD32 (pYRef + 4)) return 1;
  if (LD32 (pYSrc + 8) != LD32 (pYRef + 8)) return 1;
  if (kiWidth > 12)
    iCmp = WelsMemcmp (pYSrc + 12, pYRef + 12, kiWidth - 12);
  return iCmp;
}

void ScrollDetectionCore (SPixMap* pSrcPixMap, SPixMap* pRefPixMap, int32_t iWidth, int32_t iHeight,
                          int32_t iOffsetX, int32_t iOffsetY, SScrollDetectionParam& sScrollDetectionParam) {