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https://github.com/librempeg/librempeg
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365083556e
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99f8d32129
@ -115,10 +115,10 @@ static void filter16_prewitt(uint8_t *dstp, int width,
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int x;
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for (x = 0; x < width; x++) {
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int suma = AV_RN16A(&c[0][2 * x]) * -1 + AV_RN16A(&c[1][2 * x]) * -1 + AV_RN16A(&c[2][2 * x]) * -1 +
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AV_RN16A(&c[6][2 * x]) * 1 + AV_RN16A(&c[7][2 * x]) * 1 + AV_RN16A(&c[8][2 * x]) * 1;
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int sumb = AV_RN16A(&c[0][2 * x]) * -1 + AV_RN16A(&c[2][2 * x]) * 1 + AV_RN16A(&c[3][2 * x]) * -1 +
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AV_RN16A(&c[5][2 * x]) * 1 + AV_RN16A(&c[6][2 * x]) * -1 + AV_RN16A(&c[8][2 * x]) * 1;
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float suma = AV_RN16A(&c[0][2 * x]) * -1 + AV_RN16A(&c[1][2 * x]) * -1 + AV_RN16A(&c[2][2 * x]) * -1 +
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AV_RN16A(&c[6][2 * x]) * 1 + AV_RN16A(&c[7][2 * x]) * 1 + AV_RN16A(&c[8][2 * x]) * 1;
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float sumb = AV_RN16A(&c[0][2 * x]) * -1 + AV_RN16A(&c[2][2 * x]) * 1 + AV_RN16A(&c[3][2 * x]) * -1 +
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AV_RN16A(&c[5][2 * x]) * 1 + AV_RN16A(&c[6][2 * x]) * -1 + AV_RN16A(&c[8][2 * x]) * 1;
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dst[x] = av_clip(sqrtf(suma*suma + sumb*sumb) * scale + delta, 0, peak);
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}
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@ -133,8 +133,8 @@ static void filter16_roberts(uint8_t *dstp, int width,
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int x;
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for (x = 0; x < width; x++) {
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int suma = AV_RN16A(&c[0][2 * x]) * 1 + AV_RN16A(&c[1][2 * x]) * -1;
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int sumb = AV_RN16A(&c[4][2 * x]) * 1 + AV_RN16A(&c[3][2 * x]) * -1;
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float suma = AV_RN16A(&c[0][2 * x]) * 1 + AV_RN16A(&c[1][2 * x]) * -1;
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float sumb = AV_RN16A(&c[4][2 * x]) * 1 + AV_RN16A(&c[3][2 * x]) * -1;
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dst[x] = av_clip(sqrtf(suma*suma + sumb*sumb) * scale + delta, 0, peak);
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}
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@ -149,10 +149,10 @@ static void filter16_sobel(uint8_t *dstp, int width,
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int x;
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for (x = 0; x < width; x++) {
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int suma = AV_RN16A(&c[0][2 * x]) * -1 + AV_RN16A(&c[1][2 * x]) * -2 + AV_RN16A(&c[2][2 * x]) * -1 +
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AV_RN16A(&c[6][2 * x]) * 1 + AV_RN16A(&c[7][2 * x]) * 2 + AV_RN16A(&c[8][2 * x]) * 1;
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int sumb = AV_RN16A(&c[0][2 * x]) * -1 + AV_RN16A(&c[2][2 * x]) * 1 + AV_RN16A(&c[3][2 * x]) * -2 +
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AV_RN16A(&c[5][2 * x]) * 2 + AV_RN16A(&c[6][2 * x]) * -1 + AV_RN16A(&c[8][2 * x]) * 1;
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float suma = AV_RN16A(&c[0][2 * x]) * -1 + AV_RN16A(&c[1][2 * x]) * -2 + AV_RN16A(&c[2][2 * x]) * -1 +
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AV_RN16A(&c[6][2 * x]) * 1 + AV_RN16A(&c[7][2 * x]) * 2 + AV_RN16A(&c[8][2 * x]) * 1;
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float sumb = AV_RN16A(&c[0][2 * x]) * -1 + AV_RN16A(&c[2][2 * x]) * 1 + AV_RN16A(&c[3][2 * x]) * -2 +
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AV_RN16A(&c[5][2 * x]) * 2 + AV_RN16A(&c[6][2 * x]) * -1 + AV_RN16A(&c[8][2 * x]) * 1;
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dst[x] = av_clip(sqrtf(suma*suma + sumb*sumb) * scale + delta, 0, peak);
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}
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@ -169,10 +169,10 @@ static void filter_prewitt(uint8_t *dst, int width,
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int x;
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for (x = 0; x < width; x++) {
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int suma = c0[x] * -1 + c1[x] * -1 + c2[x] * -1 +
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c6[x] * 1 + c7[x] * 1 + c8[x] * 1;
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int sumb = c0[x] * -1 + c2[x] * 1 + c3[x] * -1 +
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c5[x] * 1 + c6[x] * -1 + c8[x] * 1;
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float suma = c0[x] * -1 + c1[x] * -1 + c2[x] * -1 +
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c6[x] * 1 + c7[x] * 1 + c8[x] * 1;
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float sumb = c0[x] * -1 + c2[x] * 1 + c3[x] * -1 +
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c5[x] * 1 + c6[x] * -1 + c8[x] * 1;
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dst[x] = av_clip_uint8(sqrtf(suma*suma + sumb*sumb) * scale + delta);
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}
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@ -186,8 +186,8 @@ static void filter_roberts(uint8_t *dst, int width,
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int x;
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for (x = 0; x < width; x++) {
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int suma = c[0][x] * 1 + c[1][x] * -1;
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int sumb = c[4][x] * 1 + c[3][x] * -1;
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float suma = c[0][x] * 1 + c[1][x] * -1;
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float sumb = c[4][x] * 1 + c[3][x] * -1;
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dst[x] = av_clip_uint8(sqrtf(suma*suma + sumb*sumb) * scale + delta);
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}
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@ -204,10 +204,10 @@ static void filter_sobel(uint8_t *dst, int width,
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int x;
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for (x = 0; x < width; x++) {
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int suma = c0[x] * -1 + c1[x] * -2 + c2[x] * -1 +
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c6[x] * 1 + c7[x] * 2 + c8[x] * 1;
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int sumb = c0[x] * -1 + c2[x] * 1 + c3[x] * -2 +
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c5[x] * 2 + c6[x] * -1 + c8[x] * 1;
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float suma = c0[x] * -1 + c1[x] * -2 + c2[x] * -1 +
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c6[x] * 1 + c7[x] * 2 + c8[x] * 1;
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float sumb = c0[x] * -1 + c2[x] * 1 + c3[x] * -2 +
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c5[x] * 2 + c6[x] * -1 + c8[x] * 1;
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dst[x] = av_clip_uint8(sqrtf(suma*suma + sumb*sumb) * scale + delta);
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}
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