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Code Issues Releases Activity

avfilter/vf_dblur: fix artifacts

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This commit is contained in:
Paul B Mahol
2021-10-23 16:59:38 +02:00
parent 6c45d34e50
commit a586ce0a21
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_dblur.c
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@@ -68,7 +68,7 @@ static int filter_horizontally(AVFilterContext *ctx, int width, int height)
if (s->R3 > 0) { if (s->R3 > 0) {
for (int y = 1; y < height - 1; y++) { for (int y = 1; y < height - 1; y++) {
g = q * f(0, 0) + c * f(0, 0); g = q * f(y, 0) + c * f(y, 0);
for (int x = 0; x < width; x++) { for (int x = 0; x < width; x++) {
f(y, x) = b0 * f(y, x) + b1 * f(y - 1, x) + g; f(y, x) = b0 * f(y, x) + b1 * f(y - 1, x) + g;
g = q * f(y, x) + c * f(y - 1, x); g = q * f(y, x) + c * f(y - 1, x);
@@ -84,7 +84,7 @@ static int filter_horizontally(AVFilterContext *ctx, int width, int height)
} }
} else { } else {
for (int y = 1; y < height - 1; y++) { for (int y = 1; y < height - 1; y++) {
g = q * f(0, width - 1) + c * f(0, width - 1); g = q * f(y, width - 1) + c * f(y, width - 1);
for (int x = width - 1; x >= 0; x--) { for (int x = width - 1; x >= 0; x--) {
f(y, x) = b0 * f(y, x) + b1 * f(y - 1, x) + g; f(y, x) = b0 * f(y, x) + b1 * f(y - 1, x) + g;
g = q * f(y, x) + c * f(y - 1, x); g = q * f(y, x) + c * f(y - 1, x);