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Revise alg diff to use same calc for standard and fast

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Mr-Dave
2023-03-26 00:10:49 -06:00
parent a96fa47ac7
commit 746edce28b
1 changed files with 2 additions and 2 deletions
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4
src/alg.c
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@@ -1232,7 +1232,7 @@ int alg_diff_standard(struct context *cnt, unsigned char *new)
*/
for (; i > 0; i--) {
register unsigned char curdiff = (int)(abs(*ref - *new)); /* Using a temp variable is 12% faster. */
int curdiff = abs((char)*ref - (char)*new);
/* Apply fixed mask */
if (mask) {
curdiff = ((int)(curdiff * *mask++) / 255);
@@ -1290,7 +1290,7 @@ static char alg_diff_fast(struct context *cnt, int max_n_changes, unsigned char
i = imgs->motionsize;
for (; i > 0; i -= step) {
register unsigned char curdiff = (int)(abs(*ref - *new)); /* Using a temp variable is 12% faster. */
int curdiff = abs((char)*ref - (char)*new);
if (curdiff > noise) {
diffs++;
if (diffs > max_n_changes) {