diff options
Diffstat (limited to 'gst/deinterlace2/tvtime/greedy.c')
| -rw-r--r-- | gst/deinterlace2/tvtime/greedy.c | 158 |
1 files changed, 71 insertions, 87 deletions
diff --git a/gst/deinterlace2/tvtime/greedy.c b/gst/deinterlace2/tvtime/greedy.c index c25af036..66b8799d 100644 --- a/gst/deinterlace2/tvtime/greedy.c +++ b/gst/deinterlace2/tvtime/greedy.c @@ -60,26 +60,65 @@ copy_scanline (GstDeinterlace2 * object, blit_packed422_scanline (output, data->m1, object->frame_width); } -static int GreedyMaxComb = 15; +static const int GreedyMaxComb = 15; -#ifdef HAVE_CPU_I386 -#include "mmx.h" -#include "sse.h" -static void -deinterlace_greedy_packed422_scanline_sse (GstDeinterlace2 * object, - deinterlace_scanline_data_t * data, uint8_t * output) +static inline void +deinterlace_greedy_packed422_scanline_c (GstDeinterlace2 * object, + uint8_t * m0, uint8_t * t1, uint8_t * b1, uint8_t * m2, uint8_t * output, + int width) { - mmx_t MaxComb; + int avg, l2_diff, lp2_diff, max, min, best; + + // L2 == m0 + // L1 == t1 + // L3 == b1 + // LP2 == m2 + + while (width--) { + avg = (*t1 + *b1) / 2; + + l2_diff = ABS (*m0 - avg); + lp2_diff = ABS (*m2 - avg); + + if (l2_diff > lp2_diff) + best = *m2; + else + best = *m0; + + max = MAX (*t1, *b1); + min = MIN (*t1, *b1); + + if (max < 256 - GreedyMaxComb) + max += GreedyMaxComb; + else + max = 255; - uint8_t *m0 = data->m0; + if (min > GreedyMaxComb) + min -= GreedyMaxComb; + else + min = 0; - uint8_t *t1 = data->t1; + *output = CLAMP (best, min, max); - uint8_t *b1 = data->b1; + // Advance to the next set of pixels. + output += 1; + m0 += 1; + t1 += 1; + b1 += 1; + m2 += 1; + } +} - uint8_t *m2 = data->m2; +#ifdef HAVE_CPU_I386 +#include "mmx.h" +#include "sse.h" - int width = object->frame_width; +static void +deinterlace_greedy_packed422_scanline_mmxext (GstDeinterlace2 * object, + uint8_t * m0, uint8_t * t1, uint8_t * b1, uint8_t * m2, uint8_t * output, + int width) +{ + mmx_t MaxComb; // How badly do we let it weave? 0-255 MaxComb.ub[0] = GreedyMaxComb; @@ -96,8 +135,7 @@ deinterlace_greedy_packed422_scanline_sse (GstDeinterlace2 * object, // L3 == b1 // LP2 == m2 - width /= 4; - while (width--) { + for (; width > 7; width -= 8) { movq_m2r (*t1, mm1); // L1 movq_m2r (*m0, mm2); // L2 movq_m2r (*b1, mm3); // L3 @@ -107,15 +145,12 @@ deinterlace_greedy_packed422_scanline_sse (GstDeinterlace2 * object, movq_r2r (mm1, mm4); // L1 pavgb_r2r (mm3, mm4); // (L1 + L3)/2 - // get abs value of possible L2 comb movq_r2r (mm2, mm7); // L2 psubusb_r2r (mm4, mm7); // L2 - avg movq_r2r (mm4, mm5); // avg psubusb_r2r (mm2, mm5); // avg - L2 por_r2r (mm7, mm5); // abs(avg-L2) - movq_r2r (mm4, mm6); // copy of avg for later - // get abs value of possible LP2 comb movq_r2r (mm0, mm7); // LP2 @@ -125,7 +160,7 @@ deinterlace_greedy_packed422_scanline_sse (GstDeinterlace2 * object, // use L2 or LP2 depending upon which makes smaller comb psubusb_r2r (mm5, mm4); // see if it goes to zero - psubusb_r2r (mm5, mm5); // 0 + pxor_r2r (mm5, mm5); // 0 pcmpeqb_r2r (mm5, mm4); // if (mm4=0) then FF else 0 pcmpeqb_r2r (mm4, mm5); // opposite of mm4 @@ -140,27 +175,19 @@ deinterlace_greedy_packed422_scanline_sse (GstDeinterlace2 * object, // detail than a boring oversmoothed clip. movq_r2r (mm1, mm2); // copy L1 - psubusb_r2r (mm3, mm2); // - L3, with saturation - paddusb_r2r (mm3, mm2); // now = Max(L1,L3) + pmaxub_r2r (mm3, mm2); // now = Max(L1,L3) - pcmpeqb_r2r (mm7, mm7); // all ffffffff - psubusb_r2r (mm1, mm7); // - L1 - paddusb_r2r (mm7, mm3); // add, may sat at fff.. - psubusb_r2r (mm7, mm3); // now = Min(L1,L3) + pminub_r2r (mm1, mm3); // now = Min(L1,L3) // allow the value to be above the high or below the low by amt of MaxComb paddusb_m2r (MaxComb, mm2); // increase max by diff psubusb_m2r (MaxComb, mm3); // lower min by diff - psubusb_r2r (mm3, mm4); // best - Min - paddusb_r2r (mm3, mm4); // now = Max(best,Min(L1,L3) - pcmpeqb_r2r (mm7, mm7); // all ffffffff - psubusb_r2r (mm4, mm7); // - Max(best,Min(best,L3) - paddusb_r2r (mm7, mm2); // add may sat at FFF.. - psubusb_r2r (mm7, mm2); // now = Min( Max(best, Min(L1,L3), L2 )=L2 clipped + pmaxub_r2r (mm3, mm4); // now = Max(best,Min(L1,L3) + pminub_r2r (mm4, mm2); // now = Min( Max(best, Min(L1,L3)), L2 )=L2 clipped - movntq_r2m (mm2, *output); // move in our clipped best + movq_r2m (mm2, *output); // move in our clipped best // Advance to the next set of pixels. output += 8; @@ -171,72 +198,29 @@ deinterlace_greedy_packed422_scanline_sse (GstDeinterlace2 * object, } sfence (); emms (); -} -#endif - -static void -deinterlace_greedy_packed422_scanline_c (GstDeinterlace2 * object, - deinterlace_scanline_data_t * data, uint8_t * output) -{ - uint8_t *m0 = data->m0; - - uint8_t *t1 = data->t1; - - uint8_t *b1 = data->b1; - - uint8_t *m2 = data->m2; - - int width = 2 * object->frame_width; - - uint16_t avg, l2_diff, lp2_diff, max, min, best; - - // L2 == m0 - // L1 == t1 - // L3 == b1 - // LP2 == m2 - - while (width--) { - avg = (*t1 + *b1) / 2; - - l2_diff = ABS (*m0 - avg); - lp2_diff = ABS (*m2 - avg); - - if (l2_diff > lp2_diff) - best = *m2; - else - best = *m0; - - max = MAX (*t1, *b1); - min = MIN (*t1, *b1); - - if (max < 256 - GreedyMaxComb) - max += GreedyMaxComb; - if (min > GreedyMaxComb) - min -= GreedyMaxComb; - - *output = MIN (MAX (best, min), max); - // Advance to the next set of pixels. - output += 1; - m0 += 1; - t1 += 1; - b1 += 1; - m2 += 1; - } + if (width > 0) + deinterlace_greedy_packed422_scanline_c (object, m0, t1, b1, m2, output, + width); } +#endif + static void deinterlace_greedy_packed422_scanline (GstDeinterlace2 * object, deinterlace_scanline_data_t * data, uint8_t * output) { #ifdef HAVE_CPU_I386 - if (object->cpu_feature_flags & OIL_IMPL_FLAG_SSE) { - deinterlace_greedy_packed422_scanline_sse (object, data, output); + if (object->cpu_feature_flags & OIL_IMPL_FLAG_MMXEXT) { + deinterlace_greedy_packed422_scanline_mmxext (object, data->m0, data->t1, + data->b1, data->m2, output, 2 * object->frame_width); } else { - deinterlace_greedy_packed422_scanline_c (object, data, output); + deinterlace_greedy_packed422_scanline_c (object, data->m0, data->t1, + data->b1, data->m2, output, 2 * object->frame_width); } #else - deinterlace_greedy_packed422_scanline_c (object, data, output); + deinterlace_greedy_packed422_scanline_c (object, data->m0, data->t1, data->b1, + data->m2, output, 2 * object->frame_width); #endif } |