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avfilter/vf_convolution: unbreak roberts filter

Paul B Mahol committed 8 years ago

Commit c8c2fb01 parent 3a965341 file · +4 −4Browse files

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libavfilter/vf_convolution.c+4−4
@@ -165,8 +165,8 @@ static void filter16_roberts(uint8_t *dstp, const uint8_t *src, int width, · 164 unmodified lines
165165 int x;
166166
167167 for (x = 0; x < width; x++) {
168− int suma = AV_RN16A(&c[0][2 * x]) * 1 + AV_RN16A(&c[4][2 * x]) * -1;
169− int sumb = AV_RN16A(&c[1][2 * x]) * 1 + AV_RN16A(&c[3][2 * x]) * -1;
168+ int suma = AV_RN16A(&c[0][2 * x]) * 1 + AV_RN16A(&c[1][2 * x]) * -1;
169+ int sumb = AV_RN16A(&c[4][2 * x]) * 1 + AV_RN16A(&c[3][2 * x]) * -1;
170170
171171 dst[x] = av_clip(sqrt(suma*suma + sumb*sumb) * scale + delta, 0, peak);
172172 }
@@ -215,8 +215,8 @@ static void filter_roberts(uint8_t *dst, const uint8_t *src, int width, · 42 unmodified lines
215215 int x;
216216
217217 for (x = 0; x < width; x++) {
218− int suma = c[0][x - 1] * 1 + c[4][x ] * -1;
219− int sumb = c[1][x ] * 1 + c[3][x - 1] * -1;
218+ int suma = c[0][x] * 1 + c[1][x] * -1;
219+ int sumb = c[4][x] * 1 + c[3][x] * -1;
220220
221221 dst[x] = av_clip_uint8(sqrt(suma*suma + sumb*sumb) * scale + delta);
222222 }

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