avfilter/vf_convolution: unbreak roberts filter

Paul B Mahol committed 8 years ago

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

Unified · Split

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
165	int x;	165	int x;
166		166
167	for (x = 0; x < width; x++) {	167	for (x = 0; x < width; x++) {
168	int suma = AV_RN16A(&c[0][2 * x]) * 1 + AV_RN16A(&c[4][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[1][2 * x]) * 1 + AV_RN16A(&c[3][2 * x]) * -1;	169	int sumb = AV_RN16A(&c[4][2 * x]) * 1 + AV_RN16A(&c[3][2 * x]) * -1;
170		170
171	dst[x] = av_clip(sqrt(sumasuma + sumbsumb) * scale + delta, 0, peak);	171	dst[x] = av_clip(sqrt(sumasuma + sumbsumb) * scale + delta, 0, peak);
172	}	172	}
@@ -215,8 +215,8 @@ static void filter_roberts(uint8_t dst, const uint8_t src, int width, · 42 unmodified lines
215	int x;	215	int x;
216		216
217	for (x = 0; x < width; x++) {	217	for (x = 0; x < width; x++) {
218	int suma = c[0][x - 1] * 1 + c[4][x ] * -1;	218	int suma = c[0][x] * 1 + c[1][x] * -1;
219	int sumb = c[1][x ] * 1 + c[3][x - 1] * -1;	219	int sumb = c[4][x] * 1 + c[3][x] * -1;
220		220
221	dst[x] = av_clip_uint8(sqrt(sumasuma + sumbsumb) * scale + delta);	221	dst[x] = av_clip_uint8(sqrt(sumasuma + sumbsumb) * scale + delta);
222	}	222	}