4678 …filterScanline(unsigned char * recon, const unsigned char * scanline, const unsigned char * precon,  in unfilterScanline()  argument
4702             if(precon) {  in unfilterScanline()
4703                 for(i = 0; i != length; ++i) recon[i] = scanline[i] + precon[i];  in unfilterScanline()
4710             if(precon) {  in unfilterScanline()
4712                 for(i = 0; i != bytewidth; ++i) recon[i] = scanline[i] + (precon[i] >> 1u);  in unfilterScanline()
4719 …      unsigned char p0 = precon[i + 0], p1 = precon[i + 1], p2 = precon[i + 2], p3 = precon[i + 3];  in unfilterScanline()
4730                         unsigned char p0 = precon[i + 0], p1 = precon[i + 1], p2 = precon[i + 2];  in unfilterScanline()
4740                         unsigned char p0 = precon[i + 0], p1 = precon[i + 1];  in unfilterScanline()
4745 …              for(; i != length; ++i, ++j) recon[i] = scanline[i] + ((recon[j] + precon[i]) >> 1u);  in unfilterScanline()
4754             if(precon) {  in unfilterScanline()
4771                         b0 = precon[i + 0];  in unfilterScanline()
4772                         b1 = precon[i + 1];  in unfilterScanline()
4773                         b2 = precon[i + 2];  in unfilterScanline()
4774                         b3 = precon[i + 3];  in unfilterScanline()
4775                         b4 = precon[i + 4];  in unfilterScanline()
4776                         b5 = precon[i + 5];  in unfilterScanline()
4777                         b6 = precon[i + 6];  in unfilterScanline()
4778                         b7 = precon[i + 7];  in unfilterScanline()
4816                         b0 = precon[i + 0];  in unfilterScanline()
4817                         b1 = precon[i + 1];  in unfilterScanline()
4818                         b2 = precon[i + 2];  in unfilterScanline()
4819                         b3 = precon[i + 3];  in unfilterScanline()
4820                         b4 = precon[i + 4];  in unfilterScanline()
4821                         b5 = precon[i + 5];  in unfilterScanline()
4850                         b0 = precon[i + 0];  in unfilterScanline()
4851                         b1 = precon[i + 1];  in unfilterScanline()
4852                         b2 = precon[i + 2];  in unfilterScanline()
4853                         b3 = precon[i + 3];  in unfilterScanline()
4876                         b0 = precon[i + 0];  in unfilterScanline()
4877                         b1 = precon[i + 1];  in unfilterScanline()
4878                         b2 = precon[i + 2];  in unfilterScanline()
4896                         b0 = precon[i + 0];  in unfilterScanline()
4897                         b1 = precon[i + 1];  in unfilterScanline()
4910                         b = precon[i];  in unfilterScanline()
4919 …      recon[i] = (scanline[i] + precon[i]); /*paethPredictor(0, precon[i], 0) is always precon[i]*/  in unfilterScanline()
4924 … recon[i] = (scanline[i] + paethPredictor(recon[i - bytewidth], precon[i], precon[i - bytewidth]));  in unfilterScanline()