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488 lines
15 KiB
C
488 lines
15 KiB
C
/*
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*
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* GStreamer
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* Copyright (c) 2000 Tom Barry All rights reserved.
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* mmx.h port copyright (c) 2002 Billy Biggs <vektor@dumbterm.net>.
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*
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* Copyright (C) 2008 Sebastian Dröge <slomo@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Relicensed for GStreamer from GPL to LGPL with permit from Tom Barry
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* and Billy Biggs.
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* See: http://bugzilla.gnome.org/show_bug.cgi?id=163578
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "_stdint.h"
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#include "gstdeinterlace.h"
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#include <string.h>
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#define GST_TYPE_DEINTERLACE_METHOD_GREEDY_L (gst_deinterlace_method_greedy_l_get_type ())
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#define GST_IS_DEINTERLACE_METHOD_GREEDY_L(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L))
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#define GST_IS_DEINTERLACE_METHOD_GREEDY_L_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L))
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#define GST_DEINTERLACE_METHOD_GREEDY_L_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L, GstDeinterlaceMethodGreedyLClass))
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#define GST_DEINTERLACE_METHOD_GREEDY_L(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L, GstDeinterlaceMethodGreedyL))
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#define GST_DEINTERLACE_METHOD_GREEDY_L_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_GREEDY_L, GstDeinterlaceMethodGreedyLClass))
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#define GST_DEINTERLACE_METHOD_GREEDY_L_CAST(obj) ((GstDeinterlaceMethodGreedyL*)(obj))
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GType gst_deinterlace_method_greedy_l_get_type (void);
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typedef struct
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{
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GstDeinterlaceMethod parent;
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guint max_comb;
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} GstDeinterlaceMethodGreedyL;
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typedef struct
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{
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GstDeinterlaceMethodClass parent_class;
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void (*scanline) (GstDeinterlaceMethodGreedyL * self, uint8_t * L2,
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uint8_t * L1, uint8_t * L3, uint8_t * L2P, uint8_t * Dest, int size);
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} GstDeinterlaceMethodGreedyLClass;
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// This is a simple lightweight DeInterlace method that uses little CPU time
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// but gives very good results for low or intermedite motion.
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// It defers frames by one field, but that does not seem to produce noticeable
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// lip sync problems.
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//
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// The method used is to take either the older or newer weave pixel depending
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// upon which give the smaller comb factor, and then clip to avoid large damage
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// when wrong.
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//
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// I'd intended this to be part of a larger more elaborate method added to
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// Blended Clip but this give too good results for the CPU to ignore here.
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static inline void
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deinterlace_greedy_packed422_scanline_c (GstDeinterlaceMethodGreedyL * self,
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uint8_t * m0, uint8_t * t1,
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uint8_t * b1, uint8_t * m2, uint8_t * output, int width)
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{
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int avg, l2_diff, lp2_diff, max, min, best;
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guint max_comb = self->max_comb;
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// L2 == m0
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// L1 == t1
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// L3 == b1
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// LP2 == m2
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while (width--) {
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avg = (*t1 + *b1) / 2;
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l2_diff = ABS (*m0 - avg);
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lp2_diff = ABS (*m2 - avg);
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if (l2_diff > lp2_diff)
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best = *m2;
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else
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best = *m0;
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max = MAX (*t1, *b1);
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min = MIN (*t1, *b1);
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if (max < 256 - max_comb)
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max += max_comb;
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else
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max = 255;
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if (min > max_comb)
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min -= max_comb;
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else
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min = 0;
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*output = CLAMP (best, min, max);
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// Advance to the next set of pixels.
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output += 1;
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m0 += 1;
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t1 += 1;
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b1 += 1;
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m2 += 1;
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}
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}
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#ifdef BUILD_X86_ASM
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#include "mmx.h"
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static void
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deinterlace_greedy_packed422_scanline_mmx (GstDeinterlaceMethodGreedyL * self,
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uint8_t * m0, uint8_t * t1,
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uint8_t * b1, uint8_t * m2, uint8_t * output, int width)
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{
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mmx_t MaxComb;
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mmx_t ShiftMask;
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// How badly do we let it weave? 0-255
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MaxComb.ub[0] = self->max_comb;
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MaxComb.ub[1] = self->max_comb;
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MaxComb.ub[2] = self->max_comb;
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MaxComb.ub[3] = self->max_comb;
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MaxComb.ub[4] = self->max_comb;
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MaxComb.ub[5] = self->max_comb;
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MaxComb.ub[6] = self->max_comb;
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MaxComb.ub[7] = self->max_comb;
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ShiftMask.ub[0] = 0x7f;
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ShiftMask.ub[1] = 0x7f;
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ShiftMask.ub[2] = 0x7f;
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ShiftMask.ub[3] = 0x7f;
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ShiftMask.ub[4] = 0x7f;
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ShiftMask.ub[5] = 0x7f;
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ShiftMask.ub[6] = 0x7f;
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ShiftMask.ub[7] = 0x7f;
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// L2 == m0
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// L1 == t1
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// L3 == b1
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// LP2 == m2
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movq_m2r (MaxComb, mm6);
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for (; width > 7; width -= 8) {
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movq_m2r (*t1, mm1); // L1
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movq_m2r (*m0, mm2); // L2
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movq_m2r (*b1, mm3); // L3
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movq_m2r (*m2, mm0); // LP2
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// average L1 and L3 leave result in mm4
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movq_r2r (mm1, mm4); // L1
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movq_r2r (mm3, mm5); // L3
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psrlw_i2r (1, mm4); // L1/2
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pand_m2r (ShiftMask, mm4);
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psrlw_i2r (1, mm5); // L3/2
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pand_m2r (ShiftMask, mm5);
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paddusb_r2r (mm5, mm4); // (L1 + L3) / 2
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// get abs value of possible L2 comb
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movq_r2r (mm2, mm7); // L2
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psubusb_r2r (mm4, mm7); // L2 - avg
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movq_r2r (mm4, mm5); // avg
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psubusb_r2r (mm2, mm5); // avg - L2
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por_r2r (mm7, mm5); // abs(avg-L2)
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// get abs value of possible LP2 comb
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movq_r2r (mm0, mm7); // LP2
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psubusb_r2r (mm4, mm7); // LP2 - avg
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psubusb_r2r (mm0, mm4); // avg - LP2
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por_r2r (mm7, mm4); // abs(avg-LP2)
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// use L2 or LP2 depending upon which makes smaller comb
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psubusb_r2r (mm5, mm4); // see if it goes to zero
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psubusb_r2r (mm5, mm5); // 0
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pcmpeqb_r2r (mm5, mm4); // if (mm4=0) then FF else 0
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pcmpeqb_r2r (mm4, mm5); // opposite of mm4
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// if Comb(LP2) <= Comb(L2) then mm4=ff, mm5=0 else mm4=0, mm5 = 55
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pand_r2r (mm2, mm5); // use L2 if mm5 == ff, else 0
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pand_r2r (mm0, mm4); // use LP2 if mm4 = ff, else 0
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por_r2r (mm5, mm4); // may the best win
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// Now lets clip our chosen value to be not outside of the range
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// of the high/low range L1-L3 by more than abs(L1-L3)
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// This allows some comb but limits the damages and also allows more
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// detail than a boring oversmoothed clip.
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movq_r2r (mm1, mm2); // copy L1
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psubusb_r2r (mm3, mm2); // - L3, with saturation
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paddusb_r2r (mm3, mm2); // now = Max(L1,L3)
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pcmpeqb_r2r (mm7, mm7); // all ffffffff
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psubusb_r2r (mm1, mm7); // - L1
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paddusb_r2r (mm7, mm3); // add, may sat at fff..
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psubusb_r2r (mm7, mm3); // now = Min(L1,L3)
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// allow the value to be above the high or below the low by amt of MaxComb
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paddusb_r2r (mm6, mm2); // increase max by diff
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psubusb_r2r (mm6, mm3); // lower min by diff
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psubusb_r2r (mm3, mm4); // best - Min
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paddusb_r2r (mm3, mm4); // now = Max(best,Min(L1,L3)
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pcmpeqb_r2r (mm7, mm7); // all ffffffff
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psubusb_r2r (mm4, mm7); // - Max(best,Min(best,L3)
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paddusb_r2r (mm7, mm2); // add may sat at FFF..
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psubusb_r2r (mm7, mm2); // now = Min( Max(best, Min(L1,L3), L2 )=L2 clipped
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movq_r2m (mm2, *output); // move in our clipped best
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// Advance to the next set of pixels.
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output += 8;
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m0 += 8;
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t1 += 8;
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b1 += 8;
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m2 += 8;
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}
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emms ();
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if (width > 0)
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deinterlace_greedy_packed422_scanline_c (self, m0, t1, b1, m2, output,
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width);
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}
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#include "sse.h"
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static void
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deinterlace_greedy_packed422_scanline_mmxext (GstDeinterlaceMethodGreedyL *
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self, uint8_t * m0, uint8_t * t1, uint8_t * b1, uint8_t * m2,
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uint8_t * output, int width)
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{
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mmx_t MaxComb;
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// How badly do we let it weave? 0-255
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MaxComb.ub[0] = self->max_comb;
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MaxComb.ub[1] = self->max_comb;
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MaxComb.ub[2] = self->max_comb;
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MaxComb.ub[3] = self->max_comb;
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MaxComb.ub[4] = self->max_comb;
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MaxComb.ub[5] = self->max_comb;
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MaxComb.ub[6] = self->max_comb;
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MaxComb.ub[7] = self->max_comb;
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// L2 == m0
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// L1 == t1
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// L3 == b1
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// LP2 == m2
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movq_m2r (MaxComb, mm6);
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for (; width > 7; width -= 8) {
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movq_m2r (*t1, mm1); // L1
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movq_m2r (*m0, mm2); // L2
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movq_m2r (*b1, mm3); // L3
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movq_m2r (*m2, mm0); // LP2
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// average L1 and L3 leave result in mm4
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movq_r2r (mm1, mm4); // L1
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pavgb_r2r (mm3, mm4); // (L1 + L3)/2
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// get abs value of possible L2 comb
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movq_r2r (mm2, mm7); // L2
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psubusb_r2r (mm4, mm7); // L2 - avg
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movq_r2r (mm4, mm5); // avg
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psubusb_r2r (mm2, mm5); // avg - L2
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por_r2r (mm7, mm5); // abs(avg-L2)
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// get abs value of possible LP2 comb
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movq_r2r (mm0, mm7); // LP2
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psubusb_r2r (mm4, mm7); // LP2 - avg
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psubusb_r2r (mm0, mm4); // avg - LP2
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por_r2r (mm7, mm4); // abs(avg-LP2)
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// use L2 or LP2 depending upon which makes smaller comb
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psubusb_r2r (mm5, mm4); // see if it goes to zero
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pxor_r2r (mm5, mm5); // 0
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pcmpeqb_r2r (mm5, mm4); // if (mm4=0) then FF else 0
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pcmpeqb_r2r (mm4, mm5); // opposite of mm4
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// if Comb(LP2) <= Comb(L2) then mm4=ff, mm5=0 else mm4=0, mm5 = 55
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pand_r2r (mm2, mm5); // use L2 if mm5 == ff, else 0
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pand_r2r (mm0, mm4); // use LP2 if mm4 = ff, else 0
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por_r2r (mm5, mm4); // may the best win
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// Now lets clip our chosen value to be not outside of the range
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// of the high/low range L1-L3 by more than abs(L1-L3)
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// This allows some comb but limits the damages and also allows more
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// detail than a boring oversmoothed clip.
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movq_r2r (mm1, mm2); // copy L1
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pmaxub_r2r (mm3, mm2); // now = Max(L1,L3)
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pminub_r2r (mm1, mm3); // now = Min(L1,L3)
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// allow the value to be above the high or below the low by amt of MaxComb
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paddusb_r2r (mm6, mm2); // increase max by diff
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psubusb_r2r (mm6, mm3); // lower min by diff
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pmaxub_r2r (mm3, mm4); // now = Max(best,Min(L1,L3)
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pminub_r2r (mm4, mm2); // now = Min( Max(best, Min(L1,L3)), L2 )=L2 clipped
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movq_r2m (mm2, *output); // move in our clipped best
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// Advance to the next set of pixels.
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output += 8;
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m0 += 8;
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t1 += 8;
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b1 += 8;
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m2 += 8;
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}
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emms ();
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if (width > 0)
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deinterlace_greedy_packed422_scanline_c (self, m0, t1, b1, m2, output,
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width);
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}
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#endif
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static void
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deinterlace_frame_di_greedy (GstDeinterlaceMethod * d_method,
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GstDeinterlace * object, GstBuffer * outbuf)
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{
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GstDeinterlaceMethodGreedyL *self =
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GST_DEINTERLACE_METHOD_GREEDY_L (d_method);
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GstDeinterlaceMethodGreedyLClass *klass =
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GST_DEINTERLACE_METHOD_GREEDY_L_GET_CLASS (self);
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int InfoIsOdd = 0;
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int Line;
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unsigned int Pitch = object->field_stride;
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unsigned char *L1; // ptr to Line1, of 3
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unsigned char *L2; // ptr to Line2, the weave line
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unsigned char *L3; // ptr to Line3
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unsigned char *L2P; // ptr to prev Line2
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unsigned char *Dest = GST_BUFFER_DATA (outbuf);
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// copy first even line no matter what, and the first odd line if we're
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// processing an EVEN field. (note diff from other deint rtns.)
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if (object->field_history[object->history_count - 1].flags ==
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PICTURE_INTERLACED_BOTTOM) {
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InfoIsOdd = 1;
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L1 = GST_BUFFER_DATA (object->field_history[object->history_count - 2].buf);
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L2 = GST_BUFFER_DATA (object->field_history[object->history_count - 1].buf);
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L3 = L1 + Pitch;
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L2P =
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GST_BUFFER_DATA (object->field_history[object->history_count - 3].buf);
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// copy first even line
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oil_memcpy (Dest, L1, object->row_stride);
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Dest += object->row_stride;
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} else {
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InfoIsOdd = 0;
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L1 = GST_BUFFER_DATA (object->field_history[object->history_count - 2].buf);
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L2 = GST_BUFFER_DATA (object->field_history[object->history_count -
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1].buf) + Pitch;
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L3 = L1 + Pitch;
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L2P =
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GST_BUFFER_DATA (object->field_history[object->history_count - 3].buf) +
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Pitch;
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// copy first even line
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oil_memcpy (Dest, GST_BUFFER_DATA (object->field_history[0].buf),
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object->row_stride);
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Dest += object->row_stride;
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// then first odd line
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oil_memcpy (Dest, L1, object->row_stride);
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Dest += object->row_stride;
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}
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for (Line = 0; Line < (object->field_height - 1); ++Line) {
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klass->scanline (self, L2, L1, L3, L2P, Dest, object->row_stride);
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Dest += object->row_stride;
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oil_memcpy (Dest, L3, object->row_stride);
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Dest += object->row_stride;
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L1 += Pitch;
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L2 += Pitch;
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L3 += Pitch;
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L2P += Pitch;
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}
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if (InfoIsOdd) {
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oil_memcpy (Dest, L2, object->row_stride);
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}
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}
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G_DEFINE_TYPE (GstDeinterlaceMethodGreedyL, gst_deinterlace_method_greedy_l,
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GST_TYPE_DEINTERLACE_METHOD);
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enum
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{
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ARG_0,
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ARG_MAX_COMB
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};
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static void
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gst_deinterlace_method_greedy_l_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstDeinterlaceMethodGreedyL *self = GST_DEINTERLACE_METHOD_GREEDY_L (object);
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switch (prop_id) {
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case ARG_MAX_COMB:
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self->max_comb = g_value_get_uint (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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gst_deinterlace_method_greedy_l_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstDeinterlaceMethodGreedyL *self = GST_DEINTERLACE_METHOD_GREEDY_L (object);
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|
|
switch (prop_id) {
|
|
case ARG_MAX_COMB:
|
|
g_value_set_uint (value, self->max_comb);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_method_greedy_l_class_init (GstDeinterlaceMethodGreedyLClass *
|
|
klass)
|
|
{
|
|
GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass;
|
|
GObjectClass *gobject_class = (GObjectClass *) klass;
|
|
#ifdef BUILD_X86_ASM
|
|
guint cpu_flags = oil_cpu_get_flags ();
|
|
#endif
|
|
|
|
gobject_class->set_property = gst_deinterlace_method_greedy_l_set_property;
|
|
gobject_class->get_property = gst_deinterlace_method_greedy_l_get_property;
|
|
|
|
g_object_class_install_property (gobject_class, ARG_MAX_COMB,
|
|
g_param_spec_uint ("max-comb",
|
|
"Max comb",
|
|
"Max Comb", 0, 255, 15, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)
|
|
);
|
|
|
|
dim_class->fields_required = 4;
|
|
dim_class->deinterlace_frame = deinterlace_frame_di_greedy;
|
|
dim_class->name = "Motion Adaptive: Simple Detection";
|
|
dim_class->nick = "greedyl";
|
|
dim_class->latency = 1;
|
|
|
|
#ifdef BUILD_X86_ASM
|
|
if (cpu_flags & OIL_IMPL_FLAG_MMXEXT) {
|
|
klass->scanline = deinterlace_greedy_packed422_scanline_mmxext;
|
|
} else if (cpu_flags & OIL_IMPL_FLAG_MMX) {
|
|
klass->scanline = deinterlace_greedy_packed422_scanline_mmx;
|
|
} else {
|
|
klass->scanline = deinterlace_greedy_packed422_scanline_c;
|
|
}
|
|
#else
|
|
klass->scanline = deinterlace_greedy_packed422_scanline_c;
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
gst_deinterlace_method_greedy_l_init (GstDeinterlaceMethodGreedyL * self)
|
|
{
|
|
self->max_comb = 15;
|
|
}
|