1112 lines
36 KiB
C
1112 lines
36 KiB
C
//*@@@+++@@@@******************************************************************
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//
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// Copyright © Microsoft Corp.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// • Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// • Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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//*@@@---@@@@******************************************************************
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#include "strTransform.h"
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#include "encode.h"
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/** rotation by pi/8 **/
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#define ROTATE1(a, b) (b) -= (((a) + 1) >> 1), (a) += (((b) + 1) >> 1) // this works well too
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#define ROTATE2(a, b) (b) -= (((a)*3 + 4) >> 3), (a) += (((b)*3 + 4) >> 3) // this works well too
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/** local functions **/
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static Void fwdOddOdd(PixelI *, PixelI *, PixelI *, PixelI *);
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static Void fwdOddOddPre(PixelI *, PixelI *, PixelI *, PixelI *);
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static Void fwdOdd(PixelI *, PixelI *, PixelI *, PixelI *);
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static Void strDCT2x2alt(PixelI * a, PixelI * b, PixelI * c, PixelI * d);
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static Void strHSTenc1(PixelI *, PixelI *);
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static Void strHSTenc(PixelI *, PixelI *, PixelI *, PixelI *);
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static Void strHSTenc1_edge (PixelI *pa, PixelI *pd);
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//static Void scaleDownUp0(PixelI *, PixelI *);
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//static Void scaleDownUp1(PixelI *, PixelI *);
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//static Void scaleDownUp2(PixelI *, PixelI *);
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//#define FOURBUTTERFLY_ENC_ALT(p, i00, i01, i02, i03, i10, i11, i12, i13, \
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// i20, i21, i22, i23, i30, i31, i32, i33) \
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// strHSTenc(&p[i00], &p[i01], &p[i02], &p[i03]); \
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// strHSTenc(&p[i10], &p[i11], &p[i12], &p[i13]); \
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// strHSTenc(&p[i20], &p[i21], &p[i22], &p[i23]); \
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// strHSTenc(&p[i30], &p[i31], &p[i32], &p[i33]); \
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// strHSTenc1(&p[i00], &p[i03]); \
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// strHSTenc1(&p[i10], &p[i13]); \
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// strHSTenc1(&p[i20], &p[i23]); \
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// strHSTenc1(&p[i30], &p[i33])
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/** DCT stuff **/
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/** data order before DCT **/
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/** 0 1 2 3 **/
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/** 4 5 6 7 **/
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/** 8 9 10 11 **/
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/** 12 13 14 15 **/
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/** data order after DCT **/
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/** 0 8 4 6 **/
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/** 2 10 14 12 **/
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/** 1 11 15 13 **/
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/** 9 3 7 5 **/
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/** reordering should be combined with zigzag scan **/
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Void strDCT4x4Stage1(PixelI * p)
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{
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/** butterfly **/
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//FOURBUTTERFLY(p, 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15);
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FOURBUTTERFLY_HARDCODED1(p);
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/** top left corner, butterfly => butterfly **/
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strDCT2x2up(&p[0], &p[1], &p[2], &p[3]);
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/** bottom right corner, pi/8 rotation => pi/8 rotation **/
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fwdOddOdd(&p[15], &p[14], &p[13], &p[12]);
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/** top right corner, butterfly => pi/8 rotation **/
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fwdOdd(&p[5], &p[4], &p[7], &p[6]);
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/** bottom left corner, pi/8 rotation => butterfly **/
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fwdOdd(&p[10], &p[8], &p[11], &p[9]);
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}
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Void strDCT4x4SecondStage(PixelI * p)
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{
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/** butterfly **/
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FOURBUTTERFLY(p, 0, 192, 48, 240, 64, 128, 112, 176,16, 208, 32, 224, 80, 144, 96, 160);
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/** top left corner, butterfly => butterfly **/
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strDCT2x2up(&p[0], &p[64], &p[16], &p[80]);
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/** bottom right corner, pi/8 rotation => pi/8 rotation **/
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fwdOddOdd(&p[160], &p[224], &p[176], &p[240]);
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/** top right corner, butterfly => pi/8 rotation **/
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fwdOdd(&p[128], &p[192], &p[144], &p[208]);
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/** bottom left corner, pi/8 rotation => butterfly **/
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fwdOdd(&p[32], &p[48], &p[96], &p[112]);
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}
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Void strNormalizeEnc(PixelI* p, Bool bChroma)
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{
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int i;
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if (!bChroma) {
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//for (i = 0; i < 256; i += 16) {
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// p[i] = (p[i] + 1) >> 2;
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//}
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}
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else {
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for (i = 0; i < 256; i += 16) {
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p[i] >>= 1;
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}
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}
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}
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/** 2x2 DCT with pre-scaling - for use on encoder side **/
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Void strDCT2x2dnEnc(PixelI *pa, PixelI *pb, PixelI *pc, PixelI *pd)
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{
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PixelI a, b, c, d, C, t;
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a = (*pa + 0) >> 1;
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b = (*pb + 0) >> 1;
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C = (*pc + 0) >> 1;
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d = (*pd + 0) >> 1;
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//PixelI t1, t2;
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a += d;
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b -= C;
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t = ((a - b) >> 1);
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c = t - d;
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d = t - C;
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a -= d;
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b += c;
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*pa = a;
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*pb = b;
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*pc = c;
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*pd = d;
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}
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/** pre filter stuff **/
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/** 2-point pre for boundaries **/
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Void strPre2(PixelI * pa, PixelI * pb)
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{
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PixelI a, b;
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a = *pa;
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b = *pb;
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/** rotate **/
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b -= ((a + 2) >> 2);
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a -= ((b + 1) >> 1);
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a -= (b >> 5);
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a -= (b >> 9);
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a -= (b >> 13);
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b -= ((a + 2) >> 2);
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*pa = a;
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*pb = b;
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}
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Void strPre2x2(PixelI *pa, PixelI *pb, PixelI *pc, PixelI *pd)
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{
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PixelI a, b, c, d;
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a = *pa;
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b = *pb;
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c = *pc;
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d = *pd;
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/** butterflies **/
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a += d;
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b += c;
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d -= (a + 1) >> 1;
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c -= (b + 1) >> 1;
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/** rotate **/
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b -= ((a + 2) >> 2);
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a -= ((b + 1) >> 1);
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a -= (b >> 5);
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a -= (b >> 9);
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a -= (b >> 13);
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b -= ((a + 2) >> 2);
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/** butterflies **/
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d += (a + 1) >> 1;
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c += (b + 1) >> 1;
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a -= d;
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b -= c;
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*pa = a;
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*pb = b;
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*pc = c;
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*pd = d;
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}
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/** 4-point pre for boundaries **/
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Void strPre4(PixelI *pa, PixelI *pb, PixelI *pc, PixelI *pd)
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{
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PixelI a, b, c, d;
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a = *pa;
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b = *pb;
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c = *pc;
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d = *pd;
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a += d, b += c;
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d -= ((a + 1) >> 1), c -= ((b + 1) >> 1);
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ROTATE1(c, d);
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strHSTenc1_edge(&a, &d); strHSTenc1_edge(&b, &c);
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d += ((a + 1) >> 1), c += ((b + 1) >> 1);
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a -= d, b -= c;
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*pa = a;
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*pb = b;
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*pc = c;
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*pd = d;
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}
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/*****************************************************************************************
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Input data offsets:
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(15)(14)|(10+64)(11+64) p0 (15)(14)|(74)(75)
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(13)(12)|( 8+64)( 9+64) (13)(12)|(72)(73)
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--------+-------------- --------+--------
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( 5)( 4)|( 0+64) (1+64) p1 ( 5)( 4)|(64)(65)
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( 7)( 6)|( 2+64) (3+64) ( 7)( 6)|(66)(67)
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*****************************************************************************************/
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Void strPre4x4Stage1Split(PixelI *p0, PixelI *p1, Int iOffset)
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{
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PixelI *p2 = p0 + 72 - iOffset;
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PixelI *p3 = p1 + 64 - iOffset;
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p0 += 12;
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p1 += 4;
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/** butterfly & scaling **/
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strHSTenc(p0 + 0, p2 + 0, p1 + 0, p3 + 0);
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strHSTenc(p0 + 1, p2 + 1, p1 + 1, p3 + 1);
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strHSTenc(p0 + 2, p2 + 2, p1 + 2, p3 + 2);
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strHSTenc(p0 + 3, p2 + 3, p1 + 3, p3 + 3);
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strHSTenc1(p0 + 0, p3 + 0);
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strHSTenc1(p0 + 1, p3 + 1);
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strHSTenc1(p0 + 2, p3 + 2);
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strHSTenc1(p0 + 3, p3 + 3);
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/** anti diagonal corners: rotation by pi/8 **/
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ROTATE1(p1[2], p1[3]);
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ROTATE1(p1[0], p1[1]);
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ROTATE1(p2[1], p2[3]);
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ROTATE1(p2[0], p2[2]);
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/** bottom right corner: pi/8 rotation => pi/8 rotation **/
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fwdOddOddPre(p3 + 0, p3 + 1, p3 + 2, p3 + 3);
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/** butterfly **/
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strDCT2x2dn(p0 + 0, p2 + 0, p1 + 0, p3 + 0);
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strDCT2x2dn(p0 + 1, p2 + 1, p1 + 1, p3 + 1);
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strDCT2x2dn(p0 + 2, p2 + 2, p1 + 2, p3 + 2);
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strDCT2x2dn(p0 + 3, p2 + 3, p1 + 3, p3 + 3);
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}
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Void strPre4x4Stage1(PixelI* p, Int iOffset)
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{
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strPre4x4Stage1Split(p, p + 16, iOffset);
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}
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/*****************************************************************************************
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Input data offsets:
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(15)(14)|(10+32)(11+32) p0 (15)(14)|(42)(43)
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(13)(12)|( 8+32)( 9+32) (13)(12)|(40)(41)
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--------+-------------- --------+--------
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( 5)( 4)|( 0+32)( 1+32) p1 ( 5)( 4)|(32)(33)
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( 7)( 6)|( 2+32)( 3+32) ( 7)( 6)|(34)(35)
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*****************************************************************************************/
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Void strPre4x4Stage2Split(PixelI* p0, PixelI* p1)
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{
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/** butterfly **/
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strHSTenc(p0 - 96, p0 + 96, p1 - 112, p1 + 80);
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strHSTenc(p0 - 32, p0 + 32, p1 - 48, p1 + 16);
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strHSTenc(p0 - 80, p0 + 112, p1 - 128, p1 + 64);
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strHSTenc(p0 - 16, p0 + 48, p1 - 64, p1 + 0);
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strHSTenc1(p0 - 96, p1 + 80);
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strHSTenc1(p0 - 32, p1 + 16);
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strHSTenc1(p0 - 80, p1 + 64);
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strHSTenc1(p0 - 16, p1 + 0);
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/** anti diagonal corners: rotation **/
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ROTATE1(p1[-48], p1[-112]);
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ROTATE1(p1[-64], p1[-128]);
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ROTATE1(p0[112], p0[ 96]);
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ROTATE1(p0[ 48], p0[ 32]);
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/** bottom right corner: pi/8 rotation => pi/8 rotation **/
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fwdOddOddPre(p1 + 0, p1 + 64, p1 + 16, p1 + 80);
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/** butterfly **/
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strDCT2x2dn(p0 - 96, p1 - 112, p0 + 96, p1 + 80);
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strDCT2x2dn(p0 - 32, p1 - 48, p0 + 32, p1 + 16);
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strDCT2x2dn(p0 - 80, p1 - 128, p0 + 112, p1 + 64);
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strDCT2x2dn(p0 - 16, p1 - 64, p0 + 48, p1 + 0);
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}
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/**
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Hadamard+Scale transform
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for some strange reason, breaking up the function into two blocks, strHSTenc1 and strHSTenc
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seems to work faster
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**/
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static Void strHSTenc(PixelI *pa, PixelI *pb, PixelI *pc, PixelI *pd)
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{
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/** different realization : does rescaling as well! **/
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PixelI a, b, c, d;
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a = *pa;
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b = *pb;
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d = *pc;
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c = *pd;
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a += c;
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b -= d;
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c = ((a - b) >> 1) - c;
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d += (b >> 1);
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b += c;
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a -= (d * 3 + 4) >> 3;
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*pa = a;
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*pb = b;
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*pc = c;
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*pd = d;
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}
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static Void strHSTenc1(PixelI *pa, PixelI *pd)
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{
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/** different realization : does rescaling as well! **/
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PixelI a, d;
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a = *pa;
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d = *pd;
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d -= (a >> 7);
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d += (a >> 10);
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//a -= (d * 3 + 4) >> 3;
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d -= (a * 3 + 0) >> 4;
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a -= (d * 3 + 0) >> 3;
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d = (a >> 1) - d;
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a -= d;
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*pa = a;
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*pd = d;
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}
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static Void strHSTenc1_edge (PixelI *pa, PixelI *pd)
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{
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/** different realizion as compared to scaling operator for 2D case **/
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PixelI a, d;
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a = *pa;
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d = -(*pd); // Negative sign needed here for 1D scaling case to ensure correct scaling.
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a -= d;
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d += (a >> 1);
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a -= (d * 3 + 4) >> 3;
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// End new operations
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//Scaling modification of adding 7/1024 in two steps (without multiplication by 7).
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d -= (a >> 7);
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d += (a >> 10);
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d -= (a * 3 + 0) >> 4;
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a -= (d * 3 + 0) >> 3;
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d = (a >> 1) - d;
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a -= d;
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*pa = a;
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*pd = d;
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}
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/** Kron(Rotate(pi/8), Rotate(pi/8)) **/\
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static Void fwdOddOdd(PixelI *pa, PixelI *pb, PixelI *pc, PixelI *pd)
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{
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PixelI a, b, c, d, t1, t2;
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a = *pa;
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b = -*pb;
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c = -*pc;
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d = *pd;
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/** butterflies **/
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d += a;
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c -= b;
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a -= (t1 = d >> 1);
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b += (t2 = c >> 1);
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/** rotate pi/4 **/
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a += (b * 3 + 4) >> 3;
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b -= (a * 3 + 3) >> 2;
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a += (b * 3 + 3) >> 3;
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/** butterflies **/
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b -= t2;
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a += t1;
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c += b;
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d -= a;
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*pa = a;
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*pb = b;
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*pc = c;
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*pd = d;
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}
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/** Kron(Rotate(pi/8), Rotate(pi/8)) **/
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static Void fwdOddOddPre(PixelI *pa, PixelI *pb, PixelI *pc, PixelI *pd)
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{
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PixelI a, b, c, d, t1, t2;
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a = *pa;
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b = *pb;
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c = *pc;
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d = *pd;
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/** butterflies **/
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d += a;
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c -= b;
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a -= (t1 = d >> 1);
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b += (t2 = c >> 1);
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/** rotate pi/4 **/
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a += (b * 3 + 4) >> 3;
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b -= (a * 3 + 2) >> 2;
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a += (b * 3 + 6) >> 3;
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/** butterflies **/
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b -= t2;
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a += t1;
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c += b;
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d -= a;
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*pa = a;
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*pb = b;
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*pc = c;
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*pd = d;
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}
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/** Kron(Rotate(pi/8), [1 1; 1 -1]/sqrt(2)) **/
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/** [a b c d] => [D C A B] **/
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Void fwdOdd(PixelI *pa, PixelI *pb, PixelI *pc, PixelI *pd)
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{
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PixelI a, b, c, d;
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a = *pa;
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b = *pb;
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c = *pc;
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d = *pd;
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/** butterflies **/
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b -= c;
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a += d;
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c += (b + 1) >> 1;
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d = ((a + 1) >> 1) - d;
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/** rotate pi/8 **/
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ROTATE2(a, b);
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ROTATE2(c, d);
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/** butterflies **/
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d += (b) >> 1;
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c -= (a + 1) >> 1;
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b -= d;
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a += c;
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*pa = a;
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*pb = b;
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*pc = c;
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*pd = d;
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}
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/*************************************************************************
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Top-level function to tranform possible part of a macroblock
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*************************************************************************/
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Void transformMacroblock(CWMImageStrCodec * pSC)
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{
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OVERLAP olOverlap = pSC->WMISCP.olOverlap;
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COLORFORMAT cfColorFormat = pSC->m_param.cfColorFormat;
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Bool left = (pSC->cColumn == 0), right = (pSC->cColumn == pSC->cmbWidth);
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Bool top = (pSC->cRow == 0), bottom = (pSC->cRow == pSC->cmbHeight);
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Bool leftORright = (left || right), topORbottom = (top || bottom);
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Bool topORleft = (left || top);// rightORbottom = (right || bottom);
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Bool leftAdjacentColumn = (pSC->cColumn == 1), rightAdjacentColumn = (pSC->cColumn == pSC->cmbWidth - 1);
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// Bool topAdjacentRow = (pSC->cRow == 1), bottomAdjacentRow = (pSC->cRow == pSC->cmbHeight - 1);
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PixelI * p = NULL;// * pt = NULL;
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Int i, j;
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Int iNumChromaFullPlanes = (Int)((YUV_420 == cfColorFormat || YUV_422 == cfColorFormat) ?
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1 : pSC->m_param.cNumChannels);
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#define mbX pSC->mbX
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#define mbY pSC->mbY
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#define tileX pSC->tileX
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#define tileY pSC->tileY
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#define bVertTileBoundary pSC->bVertTileBoundary
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#define bHoriTileBoundary pSC->bHoriTileBoundary
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#define bOneMBLeftVertTB pSC->bOneMBLeftVertTB
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#define bOneMBRightVertTB pSC->bOneMBRightVertTB
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#define iPredBefore pSC->iPredBefore
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#define iPredAfter pSC->iPredAfter
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if (pSC->WMISCP.bUseHardTileBoundaries) {
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//Add tile location information
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if (pSC->cColumn == 0) {
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bVertTileBoundary = FALSE;
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tileY = 0;
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}
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bOneMBLeftVertTB = bOneMBRightVertTB = FALSE;
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if(tileY > 0 && tileY <= pSC->WMISCP.cNumOfSliceMinus1H && (pSC->cColumn - 1) == pSC->WMISCP.uiTileY[tileY])
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bOneMBRightVertTB = TRUE;
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if(tileY < pSC->WMISCP.cNumOfSliceMinus1H && pSC->cColumn == pSC->WMISCP.uiTileY[tileY + 1]) {
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bVertTileBoundary = TRUE;
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tileY++;
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}
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else
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bVertTileBoundary = FALSE;
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if(tileY < pSC->WMISCP.cNumOfSliceMinus1H && (pSC->cColumn + 1) == pSC->WMISCP.uiTileY[tileY + 1])
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bOneMBLeftVertTB = TRUE;
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if (pSC->cRow == 0) {
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bHoriTileBoundary = FALSE;
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tileX = 0;
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}
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else if(mbY != pSC->cRow && tileX < pSC->WMISCP.cNumOfSliceMinus1V && pSC->cRow == pSC->WMISCP.uiTileX[tileX + 1]) {
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bHoriTileBoundary = TRUE;
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tileX++;
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}
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else if(mbY != pSC->cRow)
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bHoriTileBoundary = FALSE;
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}
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else {
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bVertTileBoundary = FALSE;
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bHoriTileBoundary = FALSE;
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bOneMBLeftVertTB = FALSE;
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bOneMBRightVertTB = FALSE;
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}
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mbX = pSC->cColumn, mbY = pSC->cRow;
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//================================================================
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// 400_Y, 444_YUV
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for(i = 0; i < iNumChromaFullPlanes; ++i)
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{
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PixelI* const p0 = pSC->p0MBbuffer[i];//(0 == i ? pSC->pY0 : (1 == i ? pSC->pU0 : pSC->pV0));
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PixelI* const p1 = pSC->p1MBbuffer[i];//(0 == i ? pSC->pY1 : (1 == i ? pSC->pU1 : pSC->pV1));
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//================================
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// first level overlap
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if(OL_NONE != olOverlap)
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{
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/* Corner operations */
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if ((top || bHoriTileBoundary) && (left || bVertTileBoundary))
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strPre4(p1 + 0, p1 + 1, p1 + 2, p1 + 3);
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if ((top || bHoriTileBoundary) && (right || bVertTileBoundary))
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strPre4(p1 - 59, p1 - 60, p1 - 57, p1 - 58);
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if ((bottom || bHoriTileBoundary) && (left || bVertTileBoundary))
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strPre4(p0 + 48 + 10, p0 + 48 + 11, p0 + 48 + 8, p0 + 48 + 9);
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if ((bottom || bHoriTileBoundary) && (right || bVertTileBoundary))
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strPre4(p0 - 1, p0 - 2, p0 - 3, p0 - 4);
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if(!right && !bottom)
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{
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if (top || bHoriTileBoundary)
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{
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for (j = ((left || bVertTileBoundary) ? 0 : -64); j < 192; j += 64)
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{
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p = p1 + j;
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strPre4(p + 5, p + 4, p + 64, p + 65);
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strPre4(p + 7, p + 6, p + 66, p + 67);
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p = NULL;
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}
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}
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else
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{
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for (j = ((left || bVertTileBoundary) ? 0 : -64); j < 192; j += 64)
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{
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strPre4x4Stage1Split(p0 + 48 + j, p1 + j, 0);
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}
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}
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if (left || bVertTileBoundary)
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{
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if (!top && !bHoriTileBoundary)
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|
{
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strPre4(p0 + 58, p0 + 56, p1 + 0, p1 + 2);
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strPre4(p0 + 59, p0 + 57, p1 + 1, p1 + 3);
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}
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for (j = -64; j < -16; j += 16)
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{
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p = p1 + j;
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strPre4(p + 74, p + 72, p + 80, p + 82);
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strPre4(p + 75, p + 73, p + 81, p + 83);
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p = NULL;
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|
}
|
|
}
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else
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|
{
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for (j = -64; j < -16; j += 16)
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{
|
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strPre4x4Stage1(p1 + j, 0);
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}
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}
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strPre4x4Stage1(p1 + 0, 0);
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strPre4x4Stage1(p1 + 16, 0);
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strPre4x4Stage1(p1 + 32, 0);
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strPre4x4Stage1(p1 + 64, 0);
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strPre4x4Stage1(p1 + 80, 0);
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strPre4x4Stage1(p1 + 96, 0);
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strPre4x4Stage1(p1 + 128, 0);
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|
strPre4x4Stage1(p1 + 144, 0);
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strPre4x4Stage1(p1 + 160, 0);
|
|
}
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if (bottom || bHoriTileBoundary)
|
|
{
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|
for (j = ((left || bVertTileBoundary) ? 48 : -16); j < (right ? -16 : 240); j += 64)
|
|
{
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p = p0 + j;
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strPre4(p + 15, p + 14, p + 74, p + 75);
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strPre4(p + 13, p + 12, p + 72, p + 73);
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p = NULL;
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}
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}
|
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if ((right || bVertTileBoundary) && !bottom)
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{
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|
if (!top && !bHoriTileBoundary)
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|
{
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strPre4(p0 - 1, p0 - 3, p1 - 59, p1 - 57);
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strPre4(p0 - 2, p0 - 4, p1 - 60, p1 - 58);
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}
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for (j = -64; j < -16; j += 16)
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{
|
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p = p1 + j;
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strPre4(p + 15, p + 13, p + 21, p + 23);
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|
strPre4(p + 14, p + 12, p + 20, p + 22);
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p = NULL;
|
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}
|
|
}
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}
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//================================
|
|
// first level transform
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if (!top)
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|
{
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for (j = (left ? 48 : -16); j < (right ? 48 : 240); j += 64)
|
|
{
|
|
strDCT4x4Stage1(p0 + j);
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}
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}
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|
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if (!bottom)
|
|
{
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|
for (j = (left ? 0 : -64); j < (right ? 0 : 192); j += 64)
|
|
{
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|
strDCT4x4Stage1(p1 + j + 0);
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strDCT4x4Stage1(p1 + j + 16);
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strDCT4x4Stage1(p1 + j + 32);
|
|
}
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}
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|
//================================
|
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// second level overlap
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if (OL_TWO == olOverlap)
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{
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|
/* Corner operations */
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if ((top || bHoriTileBoundary) && (left || bVertTileBoundary))
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strPre4(p1 + 0, p1 + 64, p1 + 0 + 16, p1 + 64 + 16);
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if ((top || bHoriTileBoundary) && (right || bVertTileBoundary))
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strPre4(p1 - 128, p1 - 64, p1 - 128 + 16, p1 - 64 + 16);
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if ((bottom || bHoriTileBoundary) && (left || bVertTileBoundary))
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strPre4(p0 + 32, p0 + 96, p0 + 32 + 16, p0 + 96 + 16);
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if ((bottom || bHoriTileBoundary) && (right || bVertTileBoundary))
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strPre4(p0 - 96, p0 - 32, p0 - 96 + 16, p0 - 32 + 16);
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if ((leftORright || bVertTileBoundary) && (!topORbottom && !bHoriTileBoundary))
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{
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if (left || bVertTileBoundary) {
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j = 0;
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strPre4(p0 + j + 32, p0 + j + 48, p1 + j + 0, p1 + j + 16);
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strPre4(p0 + j + 96, p0 + j + 112, p1 + j + 64, p1 + j + 80);
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}
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if (right || bVertTileBoundary) {
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j = -128;
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strPre4(p0 + j + 32, p0 + j + 48, p1 + j + 0, p1 + j + 16);
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strPre4(p0 + j + 96, p0 + j + 112, p1 + j + 64, p1 + j + 80);
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}
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}
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if (!leftORright && !bVertTileBoundary)
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{
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if (topORbottom || bHoriTileBoundary)
|
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{
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if (top || bHoriTileBoundary) {
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p = p1;
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strPre4(p - 128, p - 64, p + 0, p + 64);
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strPre4(p - 112, p - 48, p + 16, p + 80);
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p = NULL;
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}
|
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if (bottom || bHoriTileBoundary) {
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p = p0 + 32;
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strPre4(p - 128, p - 64, p + 0, p + 64);
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strPre4(p - 112, p - 48, p + 16, p + 80);
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p = NULL;
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}
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}
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else
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{
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strPre4x4Stage2Split(p0, p1);
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}
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}
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}
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//================================
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// second level transform
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if (!topORleft){
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if (pSC->m_param.bScaledArith) {
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strNormalizeEnc(p0 - 256, (i != 0));
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}
|
|
strDCT4x4SecondStage(p0 - 256);
|
|
}
|
|
}
|
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|
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//================================================================
|
|
// 420_UV
|
|
for(i = 0; i < (YUV_420 == cfColorFormat? 2 : 0); ++i)
|
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{
|
|
PixelI* const p0 = pSC->p0MBbuffer[1 + i];//(0 == i ? pSC->pU0 : pSC->pV0);
|
|
PixelI* const p1 = pSC->p1MBbuffer[1 + i];//(0 == i ? pSC->pU1 : pSC->pV1);
|
|
|
|
//================================
|
|
// first level overlap (420_UV)
|
|
if (OL_NONE != olOverlap)
|
|
{
|
|
/* Corner operations */
|
|
if ((top || bHoriTileBoundary) && (left || bVertTileBoundary))
|
|
strPre4(p1 + 0, p1 + 1, p1 + 2, p1 + 3);
|
|
if ((top || bHoriTileBoundary) && (right || bVertTileBoundary))
|
|
strPre4(p1 - 27, p1 - 28, p1 - 25, p1 - 26);
|
|
if ((bottom || bHoriTileBoundary) && (left || bVertTileBoundary))
|
|
strPre4(p0 + 16 + 10, p0 + 16 + 11, p0 + 16 + 8, p0 + 16 + 9);
|
|
if ((bottom || bHoriTileBoundary) && (right || bVertTileBoundary))
|
|
strPre4(p0 - 1, p0 - 2, p0 - 3, p0 - 4);
|
|
if(!right && !bottom)
|
|
{
|
|
if (top || bHoriTileBoundary)
|
|
{
|
|
|
|
for (j = ((left || bVertTileBoundary) ? 0 : -32); j < 32; j += 32)
|
|
{
|
|
p = p1 + j;
|
|
strPre4(p + 5, p + 4, p + 32, p + 33);
|
|
strPre4(p + 7, p + 6, p + 34, p + 35);
|
|
p = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (j = ((left || bVertTileBoundary) ? 0: -32); j < 32; j += 32)
|
|
{
|
|
strPre4x4Stage1Split(p0 + 16 + j, p1 + j, 32);
|
|
}
|
|
}
|
|
|
|
if (left || bVertTileBoundary)
|
|
{
|
|
if (!top && !bHoriTileBoundary)
|
|
{
|
|
strPre4(p0 + 26, p0 + 24, p1 + 0, p1 + 2);
|
|
strPre4(p0 + 27, p0 + 25, p1 + 1, p1 + 3);
|
|
}
|
|
|
|
strPre4(p1 + 10, p1 + 8, p1 + 16, p1 + 18);
|
|
strPre4(p1 + 11, p1 + 9, p1 + 17, p1 + 19);
|
|
}
|
|
else if (!bVertTileBoundary)
|
|
{
|
|
strPre4x4Stage1(p1 - 32, 32);
|
|
}
|
|
|
|
strPre4x4Stage1(p1, 32);
|
|
}
|
|
|
|
if (bottom || bHoriTileBoundary)
|
|
{
|
|
for (j = ((left || bVertTileBoundary) ? 16: -16); j < (right ? -16: 32); j += 32)
|
|
{
|
|
p = p0 + j;
|
|
strPre4(p + 15, p + 14, p + 42, p + 43);
|
|
strPre4(p + 13, p + 12, p + 40, p + 41);
|
|
p = NULL;
|
|
}
|
|
}
|
|
|
|
if ((right || bVertTileBoundary) && !bottom)
|
|
{
|
|
if (!top && !bHoriTileBoundary)
|
|
{
|
|
strPre4(p0 - 1, p0 - 3, p1 - 27, p1 - 25);
|
|
strPre4(p0 - 2, p0 - 4, p1 - 28, p1 - 26);
|
|
}
|
|
|
|
strPre4(p1 - 17, p1 - 19, p1 - 11, p1 - 9);
|
|
strPre4(p1 - 18, p1 - 20, p1 - 12, p1 - 10);
|
|
}
|
|
}
|
|
|
|
//================================
|
|
// first level transform (420_UV)
|
|
if (!top)
|
|
{
|
|
for (j = (left ? 16 : -16); j < (right ? 16 : 48); j += 32)
|
|
{
|
|
strDCT4x4Stage1(p0 + j);
|
|
}
|
|
}
|
|
|
|
if (!bottom)
|
|
{
|
|
for (j = (left ? 0 : -32); j < (right ? 0 : 32); j += 32)
|
|
{
|
|
strDCT4x4Stage1(p1 + j);
|
|
}
|
|
}
|
|
|
|
//================================
|
|
// second level overlap (420_UV)
|
|
if (OL_TWO == olOverlap)
|
|
{
|
|
if ((leftAdjacentColumn || bOneMBRightVertTB) && (top || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_DIFF(p1 - 64 + 0, *(p1 - 64 + 32));
|
|
|
|
if ((rightAdjacentColumn || bOneMBLeftVertTB) && (top || bHoriTileBoundary))
|
|
iPredBefore[i][0] = *(p1 + 0);
|
|
if ((right || bVertTileBoundary) && (top || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_DIFF(p1 - 64 + 32, iPredBefore[i][0]);
|
|
|
|
if ((leftAdjacentColumn || bOneMBRightVertTB) && (bottom || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_DIFF(p0 - 64 + 16, *(p0 - 64 + 48));
|
|
|
|
if ((rightAdjacentColumn || bOneMBLeftVertTB) && (bottom || bHoriTileBoundary))
|
|
iPredBefore[i][1] = *(p0 + 16);
|
|
if ((right || bVertTileBoundary) && (bottom || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_DIFF(p0 - 64 + 48, iPredBefore[i][1]);
|
|
|
|
if ((leftORright || bVertTileBoundary) && !topORbottom && !bHoriTileBoundary)
|
|
{
|
|
if (left || bVertTileBoundary)
|
|
strPre2(p0 + 0 + 16, p1 + 0);
|
|
if (right || bVertTileBoundary)
|
|
strPre2(p0 + -32 + 16, p1 + -32);
|
|
}
|
|
|
|
if (!leftORright)
|
|
{
|
|
if ((topORbottom || bHoriTileBoundary) && !bVertTileBoundary)
|
|
{
|
|
if (top || bHoriTileBoundary)
|
|
strPre2(p1 - 32, p1);
|
|
if (bottom || bHoriTileBoundary)
|
|
strPre2(p0 + 16 - 32, p0 + 16);
|
|
}
|
|
else if (!topORbottom && !bHoriTileBoundary && !bVertTileBoundary)
|
|
strPre2x2(p0 - 16, p0 + 16, p1 - 32, p1);
|
|
}
|
|
if ((leftAdjacentColumn || bOneMBRightVertTB) && (top || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_ADD(p1 - 64 + 0, *(p1 - 64 + 32));
|
|
if ((rightAdjacentColumn || bOneMBLeftVertTB) && (top || bHoriTileBoundary))
|
|
iPredAfter[i][0] = *(p1 + 0);
|
|
if ((right || bVertTileBoundary) && (top || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_ADD(p1 - 64 + 32, iPredAfter[i][0]);
|
|
if ((leftAdjacentColumn || bOneMBRightVertTB) && (bottom || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_ADD(p0 - 64 + 16, *(p0 - 64 + 48));
|
|
if ((rightAdjacentColumn || bOneMBLeftVertTB) && (bottom || bHoriTileBoundary))
|
|
iPredAfter[i][1] = *(p0 + 16);
|
|
if ((right || bVertTileBoundary) && (bottom || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_ADD(p0 - 64 + 48, iPredAfter[i][1]);
|
|
}
|
|
|
|
//================================
|
|
// second level transform (420_UV)
|
|
if (!topORleft)
|
|
{
|
|
if (!pSC->m_param.bScaledArith) {
|
|
strDCT2x2dn(p0 - 64, p0 - 32, p0 - 48, p0 - 16);
|
|
}
|
|
else {
|
|
strDCT2x2dnEnc(p0 - 64, p0 - 32, p0 - 48, p0 - 16);
|
|
}
|
|
}
|
|
}
|
|
|
|
//================================================================
|
|
// 422_UV
|
|
for(i = 0; i < (YUV_422 == cfColorFormat? 2 : 0); ++i)
|
|
{
|
|
PixelI* const p0 = pSC->p0MBbuffer[1 + i];//(0 == i ? pSC->pU0 : pSC->pV0);
|
|
PixelI* const p1 = pSC->p1MBbuffer[1 + i];//(0 == i ? pSC->pU1 : pSC->pV1);
|
|
|
|
//================================
|
|
// first level overlap (422_UV)
|
|
if (OL_NONE != olOverlap)
|
|
{
|
|
/* Corner operations */
|
|
if ((top || bHoriTileBoundary) && (left || bVertTileBoundary))
|
|
strPre4(p1 + 0, p1 + 1, p1 + 2, p1 + 3);
|
|
if ((top || bHoriTileBoundary) && (right || bVertTileBoundary))
|
|
strPre4(p1 - 59, p1 - 60, p1 - 57, p1 - 58);
|
|
if ((bottom || bHoriTileBoundary) && (left || bVertTileBoundary))
|
|
strPre4(p0 + 48 + 10, p0 + 48 + 11, p0 + 48 + 8, p0 + 48 + 9);
|
|
if ((bottom || bHoriTileBoundary) && (right || bVertTileBoundary))
|
|
strPre4(p0 - 1, p0 - 2, p0 - 3, p0 - 4);
|
|
if(!right && !bottom)
|
|
{
|
|
if (top || bHoriTileBoundary)
|
|
{
|
|
|
|
for (j = ((left || bVertTileBoundary) ? 0 : -64); j < 64; j += 64)
|
|
{
|
|
p = p1 + j;
|
|
strPre4(p + 5, p + 4, p + 64, p + 65);
|
|
strPre4(p + 7, p + 6, p + 66, p + 67);
|
|
p = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (j = ((left || bVertTileBoundary) ? 0: -64); j < 64; j += 64)
|
|
{
|
|
strPre4x4Stage1Split(p0 + 48 + j, p1 + j, 0);
|
|
}
|
|
}
|
|
|
|
if (left || bVertTileBoundary)
|
|
{
|
|
if (!top && !bHoriTileBoundary)
|
|
{
|
|
strPre4(p0 + 58, p0 + 56, p1 + 0, p1 + 2);
|
|
strPre4(p0 + 59, p0 + 57, p1 + 1, p1 + 3);
|
|
}
|
|
|
|
for (j = 0; j < 48; j += 16)
|
|
{
|
|
p = p1 + j;
|
|
strPre4(p + 10, p + 8, p + 16, p + 18);
|
|
strPre4(p + 11, p + 9, p + 17, p + 19);
|
|
p = NULL;
|
|
}
|
|
}
|
|
else if (!bVertTileBoundary)
|
|
{
|
|
for (j = -64; j < -16; j += 16)
|
|
{
|
|
strPre4x4Stage1(p1 + j, 0);
|
|
}
|
|
}
|
|
|
|
strPre4x4Stage1(p1 + 0, 0);
|
|
strPre4x4Stage1(p1 + 16, 0);
|
|
strPre4x4Stage1(p1 + 32, 0);
|
|
}
|
|
|
|
if (bottom || bHoriTileBoundary)
|
|
{
|
|
for (j = ((left || bVertTileBoundary) ? 48: -16); j < (right ? -16: 112); j += 64)
|
|
{
|
|
p = p0 + j;
|
|
strPre4(p + 15, p + 14, p + 74, p + 75);
|
|
strPre4(p + 13, p + 12, p + 72, p + 73);
|
|
p = NULL;
|
|
}
|
|
}
|
|
|
|
if ((right || bVertTileBoundary) && !bottom)
|
|
{
|
|
if (!top && !bHoriTileBoundary)
|
|
{
|
|
strPre4(p0 - 1, p0 - 3, p1 - 59, p1 - 57);
|
|
strPre4(p0 - 2, p0 - 4, p1 - 60, p1 - 58);
|
|
}
|
|
|
|
for (j = -64; j < -16; j += 16)
|
|
{
|
|
p = p1 + j;
|
|
strPre4(p + 15, p + 13, p + 21, p + 23);
|
|
strPre4(p + 14, p + 12, p + 20, p + 22);
|
|
p = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
//================================
|
|
// first level transform (422_UV)
|
|
if (!top)
|
|
{
|
|
for (j = (left ? 48 : -16); j < (right ? 48 : 112); j += 64)
|
|
{
|
|
strDCT4x4Stage1(p0 + j);
|
|
}
|
|
}
|
|
|
|
if (!bottom)
|
|
{
|
|
for (j = (left ? 0 : -64); j < (right ? 0 : 64); j += 64)
|
|
{
|
|
strDCT4x4Stage1(p1 + j + 0);
|
|
strDCT4x4Stage1(p1 + j + 16);
|
|
strDCT4x4Stage1(p1 + j + 32);
|
|
}
|
|
}
|
|
|
|
//================================
|
|
// second level overlap (422_UV)
|
|
if (OL_TWO == olOverlap)
|
|
{
|
|
if ((leftAdjacentColumn || bOneMBRightVertTB) && (top || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_DIFF(p1 - 128 + 0, *(p1 - 128 + 64));
|
|
|
|
if ((rightAdjacentColumn || bOneMBLeftVertTB) && (top || bHoriTileBoundary))
|
|
iPredBefore[i][0] = *(p1 + 0);
|
|
if ((right || bVertTileBoundary) && (top || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_DIFF(p1 - 128 + 64, iPredBefore[i][0]);
|
|
|
|
if ((leftAdjacentColumn || bOneMBRightVertTB) && (bottom || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_DIFF(p0 - 128 + 48, *(p0 - 128 + 112));
|
|
|
|
if ((rightAdjacentColumn || bOneMBLeftVertTB) && (bottom || bHoriTileBoundary))
|
|
iPredBefore[i][1] = *(p0 + 48);
|
|
if ((right || bVertTileBoundary) && (bottom || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_DIFF(p0 - 128 + 112, iPredBefore[i][1]);
|
|
|
|
if (!bottom)
|
|
{
|
|
if (leftORright || bVertTileBoundary)
|
|
{
|
|
if (!top && !bHoriTileBoundary)
|
|
{
|
|
if (left || bVertTileBoundary)
|
|
strPre2(p0 + 48 + 0, p1 + 0);
|
|
|
|
if (right || bVertTileBoundary)
|
|
strPre2(p0 + 48 + -64, p1 + -64);
|
|
}
|
|
|
|
if (left || bVertTileBoundary)
|
|
strPre2(p1 + 16, p1 + 16 + 16);
|
|
|
|
if (right || bVertTileBoundary)
|
|
strPre2(p1 + -48, p1 + -48 + 16);
|
|
}
|
|
|
|
if (!leftORright && !bVertTileBoundary)
|
|
{
|
|
if (top || bHoriTileBoundary)
|
|
strPre2(p1 - 64, p1);
|
|
else
|
|
strPre2x2(p0 - 16, p0 + 48, p1 - 64, p1);
|
|
|
|
strPre2x2(p1 - 48, p1 + 16, p1 - 32, p1 + 32);
|
|
}
|
|
}
|
|
|
|
if ((bottom || bHoriTileBoundary) && (!leftORright && !bVertTileBoundary))
|
|
strPre2(p0 - 16, p0 + 48);
|
|
|
|
if ((leftAdjacentColumn || bOneMBRightVertTB) && (top || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_ADD(p1 - 128 + 0, *(p1 - 128 + 64));
|
|
|
|
if ((rightAdjacentColumn || bOneMBLeftVertTB) && (top || bHoriTileBoundary))
|
|
iPredAfter[i][0] = *(p1 + 0);
|
|
if ((right || bVertTileBoundary) && (top || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_ADD(p1 - 128 + 64, iPredAfter[i][0]);
|
|
|
|
if ((leftAdjacentColumn || bOneMBRightVertTB) && (bottom || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_ADD(p0 - 128 + 48, *(p0 - 128 + 112));
|
|
|
|
if ((rightAdjacentColumn || bOneMBLeftVertTB) && (bottom || bHoriTileBoundary))
|
|
iPredAfter[i][1] = *(p0 + 48);
|
|
if ((right || bVertTileBoundary) && (bottom || bHoriTileBoundary))
|
|
COMPUTE_CORNER_PRED_ADD(p0 - 128 + 112, iPredAfter[i][1]);
|
|
}
|
|
|
|
//================================
|
|
// second level transform (422_UV)
|
|
if (!topORleft)
|
|
{
|
|
if (!pSC->m_param.bScaledArith) {
|
|
strDCT2x2dn(p0 - 128, p0 - 64, p0 - 112, p0 - 48);
|
|
strDCT2x2dn(p0 - 96, p0 - 32, p0 - 80, p0 - 16);
|
|
}
|
|
else {
|
|
strDCT2x2dnEnc(p0 - 128, p0 - 64, p0 - 112, p0 - 48);
|
|
strDCT2x2dnEnc(p0 - 96, p0 - 32, p0 - 80, p0 - 16);
|
|
}
|
|
|
|
// 1D lossless HT
|
|
p0[- 96] -= p0[-128];
|
|
p0[-128] += ((p0[-96] + 1) >> 1);
|
|
}
|
|
}
|
|
assert(NULL == p);
|
|
}
|
|
|