/* RTjpeg (C) Justin Schoeman 1998 (justin@suntiger.ee.up.ac.za) With modifications by: (c) 1998, 1999 by Joerg Walter and (c) 1999 by Wim Taymans This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include "config.h" #ifdef HAVE_MMX #define MMX #endif #include "RTjpegN.h" #ifdef MMX #include "mmx.h" #endif //#define SHOWBLOCK 1 #define BETTERCOMPRESSION 1 static const unsigned char RTjpeg_ZZ[64]={ 0, 8, 1, 2, 9, 16, 24, 17, 10, 3, 4, 11, 18, 25, 32, 40, 33, 26, 19, 12, 5, 6, 13, 20, 27, 34, 41, 48, 56, 49, 42, 35, 28, 21, 14, 7, 15, 22, 29, 36, 43, 50, 57, 58, 51, 44, 37, 30, 23, 31, 38, 45, 52, 59, 60, 53, 46, 39, 47, 54, 61, 62, 55, 63 }; static const __u64 RTjpeg_aan_tab[64]={ 4294967296ULL, 5957222912ULL, 5611718144ULL, 5050464768ULL, 4294967296ULL, 3374581504ULL, 2324432128ULL, 1184891264ULL, 5957222912ULL, 8263040512ULL, 7783580160ULL, 7005009920ULL, 5957222912ULL, 4680582144ULL, 3224107520ULL, 1643641088ULL, 5611718144ULL, 7783580160ULL, 7331904512ULL, 6598688768ULL, 5611718144ULL, 4408998912ULL, 3036936960ULL, 1548224000ULL, 5050464768ULL, 7005009920ULL, 6598688768ULL, 5938608128ULL, 5050464768ULL, 3968072960ULL, 2733115392ULL, 1393296000ULL, 4294967296ULL, 5957222912ULL, 5611718144ULL, 5050464768ULL, 4294967296ULL, 3374581504ULL, 2324432128ULL, 1184891264ULL, 3374581504ULL, 4680582144ULL, 4408998912ULL, 3968072960ULL, 3374581504ULL, 2651326208ULL, 1826357504ULL, 931136000ULL, 2324432128ULL, 3224107520ULL, 3036936960ULL, 2733115392ULL, 2324432128ULL, 1826357504ULL, 1258030336ULL, 641204288ULL, 1184891264ULL, 1643641088ULL, 1548224000ULL, 1393296000ULL, 1184891264ULL, 931136000ULL, 641204288ULL, 326894240ULL, }; #ifndef MMX static __s32 RTjpeg_ws[64+31]; #endif __u8 RTjpeg_alldata[2*64+4*64+4*64+4*64+4*64+32]; static __s16 *block; // rh static __s16 *RTjpeg_block; static __s32 *RTjpeg_lqt; static __s32 *RTjpeg_cqt; static __u32 *RTjpeg_liqt; static __u32 *RTjpeg_ciqt; static unsigned char RTjpeg_lb8; static unsigned char RTjpeg_cb8; static int RTjpeg_width, RTjpeg_height; static int RTjpeg_Ywidth, RTjpeg_Cwidth; static int RTjpeg_Ysize, RTjpeg_Csize; static __s16 *RTjpeg_old=NULL; #ifdef MMX mmx_t RTjpeg_lmask; mmx_t RTjpeg_cmask; #else __u16 RTjpeg_lmask; __u16 RTjpeg_cmask; #endif int RTjpeg_mtest=0; static const unsigned char RTjpeg_lum_quant_tbl[64] = { 16, 11, 10, 16, 24, 40, 51, 61, 12, 12, 14, 19, 26, 58, 60, 55, 14, 13, 16, 24, 40, 57, 69, 56, 14, 17, 22, 29, 51, 87, 80, 62, 18, 22, 37, 56, 68, 109, 103, 77, 24, 35, 55, 64, 81, 104, 113, 92, 49, 64, 78, 87, 103, 121, 120, 101, 72, 92, 95, 98, 112, 100, 103, 99 }; static const unsigned char RTjpeg_chrom_quant_tbl[64] = { 17, 18, 24, 47, 99, 99, 99, 99, 18, 21, 26, 66, 99, 99, 99, 99, 24, 26, 56, 99, 99, 99, 99, 99, 47, 66, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99 }; #ifdef BETTERCOMPRESSION /*--------------------------------------------------*/ /* better encoding, but needs a lot more cpu time */ /* seems to be more effective than old method +lzo */ /* with this encoding lzo isn't efficient anymore */ /* there is still more potential for better */ /* encoding but that would need even more cputime */ /* anyway your mileage may vary */ /* */ /* written by Martin BIELY and Roman HOCHLEITNER */ /*--------------------------------------------------*/ /* +++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* Block to Stream (encoding) */ /* */ int RTjpeg_b2s(__s16 *data, __s8 *strm, __u8 bt8) { register int ci, co=1; register __s16 ZZvalue; register unsigned char bitten; register unsigned char bitoff; #ifdef SHOWBLOCK int ii; for (ii=0; ii < 64; ii++) { fprintf(stdout, "%d ", data[RTjpeg_ZZ[ii]]); } fprintf(stdout, "\n\n"); #endif // *strm++ = 0x10; // *strm = 0x00; // // return 2; // first byte allways written (__u8)strm[0]= (__u8)(data[RTjpeg_ZZ[0]]>254) ? 254:((data[RTjpeg_ZZ[0]]<0)?0:data[RTjpeg_ZZ[0]]); ci=63; while (data[RTjpeg_ZZ[ci]]==0 && ci>0) ci--; bitten = ((unsigned char)ci) << 2; if (ci==0) { (__u8)strm[1]= bitten; co = 2; return (int)co; } /* bitoff=0 because the high 6bit contain first non zero position */ bitoff = 0; co = 1; for(; ci>0; ci--) { ZZvalue = data[RTjpeg_ZZ[ci]]; switch(ZZvalue) { case 0: break; case 1: bitten |= (0x01<0; ci--) { ZZvalue = data[RTjpeg_ZZ[ci]]; if( (ZZvalue > 7) || (ZZvalue < -7) ) { bitten |= (0x08<0; ci--) { ZZvalue = data[RTjpeg_ZZ[ci]]; if(ZZvalue>0) { strm[co++]=(__s8)(ZZvalue>127)?127:ZZvalue; } else { strm[co++]=(__s8)(ZZvalue<-128)?-128:ZZvalue; } } BAUCHWEH: /* we gotoo much now we are ill */ #ifdef SHOWBLOCK { int i; fprintf(stdout, "\nco = '%d'\n", co); for (i=0; i < co+2; i++) { fprintf(stdout, "%d ", strm[i]); } fprintf(stdout, "\n\n"); } #endif return (int)co; } /* +++++++++++++++++++++++++++++++++++++++++++++++++++*/ /* Stream to Block (decoding) */ /* */ int RTjpeg_s2b(__s16 *data, __s8 *strm, __u8 bt8, __u32 *qtbl) { int ci; register int co; register int i; register unsigned char bitten; register unsigned char bitoff; /* first byte always read */ i=RTjpeg_ZZ[0]; data[i]=((__u8)strm[0])*qtbl[i]; /* we start at the behind */ bitten = ((unsigned char)strm[1]) >> 2; co = 63; for(; co > bitten; co--) { data[RTjpeg_ZZ[co]] = 0; } if (co==0) { ci = 2; goto AUTOBAHN; } /* we have to read the last 2 bits of the second byte */ ci=1; bitoff = 0; for(; co>0; co--) { bitten = ((unsigned char)strm[ci]) >> bitoff; bitten &= 0x03; i=RTjpeg_ZZ[co]; switch( bitten ) { case 0x03: data[i]= -qtbl[i]; break; case 0x02: goto FUSSWEG; break; case 0x01: data[i]= qtbl[i]; break; case 0x00: data[i]= 0; break; default: } if( bitoff == 0 ) { bitoff = 8; ci++; } bitoff -= 2; } /* co is 0 now */ /* data is written properly */ /* if bitoff!=6 then ci is the index, but should be the byte count, so we increment by 1 */ if (bitoff!=6) ci++; goto AUTOBAHN; FUSSWEG: /* correct bitoff to nibble */ switch(bitoff){ case 4: case 6: bitoff = 0; break; case 2: case 0: /* we have to read from the next byte */ ci++; bitoff = 4; break; default: break; } for(; co>0; co--) { bitten = ((unsigned char)strm[ci]) >> bitoff; bitten &= 0x0f; i=RTjpeg_ZZ[co]; if( bitten == 0x08 ) { goto STRASSE; } /* the compiler cannot do sign extension for signed nibbles */ if( bitten & 0x08 ) { bitten |= 0xf0; } /* the unsigned char bitten now is a valid signed char */ data[i]=((signed char)bitten)*qtbl[i]; if( bitoff == 0 ) { bitoff = 8; ci++; } bitoff -= 4; } /* co is 0 */ /* if bitoff!=4 then ci is the index, but should be the byte count, so we increment by 1 */ if (bitoff!=4) ci++; goto AUTOBAHN; STRASSE: ci++; for(; co>0; co--) { i=RTjpeg_ZZ[co]; data[i]=strm[ci++]*qtbl[i]; } /* ci now is the count, because it points to next element => no incrementing */ AUTOBAHN: #ifdef SHOWBLOCK fprintf(stdout, "\nci = '%d'\n", ci); for (i=0; i < 64; i++) { fprintf(stdout, "%d ", data[RTjpeg_ZZ[i]]); } fprintf(stdout, "\n\n"); #endif return ci; } #else int RTjpeg_b2s(__s16 *data, __s8 *strm, __u8 bt8) { register int ci, co=1, tmp; register __s16 ZZvalue; #ifdef SHOWBLOCK int ii; for (ii=0; ii < 64; ii++) { fprintf(stdout, "%d ", data[RTjpeg_ZZ[ii]]); } fprintf(stdout, "\n\n"); #endif (__u8)strm[0]=(__u8)(data[RTjpeg_ZZ[0]]>254) ? 254:((data[RTjpeg_ZZ[0]]<0)?0:data[RTjpeg_ZZ[0]]); for(ci=1; ci<=bt8; ci++) { ZZvalue = data[RTjpeg_ZZ[ci]]; if(ZZvalue>0) { strm[co++]=(__s8)(ZZvalue>127)?127:ZZvalue; } else { strm[co++]=(__s8)(ZZvalue<-128)?-128:ZZvalue; } } for(; ci<64; ci++) { ZZvalue = data[RTjpeg_ZZ[ci]]; if(ZZvalue>0) { strm[co++]=(__s8)(ZZvalue>63)?63:ZZvalue; } else if(ZZvalue<0) { strm[co++]=(__s8)(ZZvalue<-64)?-64:ZZvalue; } else /* compress zeros */ { tmp=ci; do { ci++; } while((ci<64)&&(data[RTjpeg_ZZ[ci]]==0)); strm[co++]=(__s8)(63+(ci-tmp)); ci--; } } return (int)co; } int RTjpeg_s2b(__s16 *data, __s8 *strm, __u8 bt8, __u32 *qtbl) { int ci=1, co=1, tmp; register int i; i=RTjpeg_ZZ[0]; data[i]=((__u8)strm[0])*qtbl[i]; for(co=1; co<=bt8; co++) { i=RTjpeg_ZZ[co]; data[i]=strm[ci++]*qtbl[i]; } for(; co<64; co++) { if(strm[ci]>63) { tmp=co+strm[ci]-63; for(; co>16); } #endif /* * Perform the forward DCT on one block of samples. */ #ifdef MMX static mmx_t RTjpeg_C4 =(mmx_t)(long long)0x2D412D412D412D41LL; static mmx_t RTjpeg_C6 =(mmx_t)(long long)0x187E187E187E187ELL; static mmx_t RTjpeg_C2mC6=(mmx_t)(long long)0x22A322A322A322A3LL; static mmx_t RTjpeg_C2pC6=(mmx_t)(long long)0x539F539F539F539FLL; static mmx_t RTjpeg_zero =(mmx_t)(long long)0x0000000000000000LL; #else #define FIX_0_382683433 ((__s32) 98) /* FIX(0.382683433) */ #define FIX_0_541196100 ((__s32) 139) /* FIX(0.541196100) */ #define FIX_0_707106781 ((__s32) 181) /* FIX(0.707106781) */ #define FIX_1_306562965 ((__s32) 334) /* FIX(1.306562965) */ #define DESCALE10(x) (__s16)( ((x)+128) >> 8) #define DESCALE20(x) (__s16)(((x)+32768) >> 16) #define D_MULTIPLY(var,const) ((__s32) ((var) * (const))) #endif void RTjpeg_dct_init(void) { int i; for(i=0; i<64; i++) { RTjpeg_lqt[i]=(((__u64)RTjpeg_lqt[i]<<32)/RTjpeg_aan_tab[i]); RTjpeg_cqt[i]=(((__u64)RTjpeg_cqt[i]<<32)/RTjpeg_aan_tab[i]); } } void RTjpeg_dctY(__u8 *idata, __s16 *odata, int rskip) { #ifndef MMX __s32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; __s32 tmp10, tmp11, tmp12, tmp13; __s32 z1, z2, z3, z4, z5, z11, z13; __u8 *idataptr; __s16 *odataptr; __s32 *wsptr; int ctr; idataptr = idata; wsptr = RTjpeg_ws; for (ctr = 7; ctr >= 0; ctr--) { tmp0 = idataptr[0] + idataptr[7]; tmp7 = idataptr[0] - idataptr[7]; tmp1 = idataptr[1] + idataptr[6]; tmp6 = idataptr[1] - idataptr[6]; tmp2 = idataptr[2] + idataptr[5]; tmp5 = idataptr[2] - idataptr[5]; tmp3 = idataptr[3] + idataptr[4]; tmp4 = idataptr[3] - idataptr[4]; tmp10 = (tmp0 + tmp3); /* phase 2 */ tmp13 = tmp0 - tmp3; tmp11 = (tmp1 + tmp2); tmp12 = tmp1 - tmp2; wsptr[0] = (tmp10 + tmp11)<<8; /* phase 3 */ wsptr[4] = (tmp10 - tmp11)<<8; z1 = D_MULTIPLY(tmp12 + tmp13, FIX_0_707106781); /* c4 */ wsptr[2] = (tmp13<<8) + z1; /* phase 5 */ wsptr[6] = (tmp13<<8) - z1; tmp10 = tmp4 + tmp5; /* phase 2 */ tmp11 = tmp5 + tmp6; tmp12 = tmp6 + tmp7; z5 = D_MULTIPLY(tmp10 - tmp12, FIX_0_382683433); /* c6 */ z2 = D_MULTIPLY(tmp10, FIX_0_541196100) + z5; /* c2-c6 */ z4 = D_MULTIPLY(tmp12, FIX_1_306562965) + z5; /* c2+c6 */ z3 = D_MULTIPLY(tmp11, FIX_0_707106781); /* c4 */ z11 = (tmp7<<8) + z3; /* phase 5 */ z13 = (tmp7<<8) - z3; wsptr[5] = z13 + z2; /* phase 6 */ wsptr[3] = z13 - z2; wsptr[1] = z11 + z4; wsptr[7] = z11 - z4; idataptr += rskip<<3; /* advance pointer to next row */ wsptr += 8; } wsptr = RTjpeg_ws; odataptr=odata; for (ctr = 7; ctr >= 0; ctr--) { tmp0 = wsptr[0] + wsptr[56]; tmp7 = wsptr[0] - wsptr[56]; tmp1 = wsptr[8] + wsptr[48]; tmp6 = wsptr[8] - wsptr[48]; tmp2 = wsptr[16] + wsptr[40]; tmp5 = wsptr[16] - wsptr[40]; tmp3 = wsptr[24] + wsptr[32]; tmp4 = wsptr[24] - wsptr[32]; tmp10 = tmp0 + tmp3; /* phase 2 */ tmp13 = tmp0 - tmp3; tmp11 = tmp1 + tmp2; tmp12 = tmp1 - tmp2; odataptr[0] = DESCALE10(tmp10 + tmp11); /* phase 3 */ odataptr[32] = DESCALE10(tmp10 - tmp11); z1 = D_MULTIPLY(tmp12 + tmp13, FIX_0_707106781); /* c4 */ odataptr[16] = DESCALE20((tmp13<<8) + z1); /* phase 5 */ odataptr[48] = DESCALE20((tmp13<<8) - z1); tmp10 = tmp4 + tmp5; /* phase 2 */ tmp11 = tmp5 + tmp6; tmp12 = tmp6 + tmp7; z5 = D_MULTIPLY(tmp10 - tmp12, FIX_0_382683433); /* c6 */ z2 = D_MULTIPLY(tmp10, FIX_0_541196100) + z5; /* c2-c6 */ z4 = D_MULTIPLY(tmp12, FIX_1_306562965) + z5; /* c2+c6 */ z3 = D_MULTIPLY(tmp11, FIX_0_707106781); /* c4 */ z11 = (tmp7<<8) + z3; /* phase 5 */ z13 = (tmp7<<8) - z3; odataptr[40] = DESCALE20(z13 + z2); /* phase 6 */ odataptr[24] = DESCALE20(z13 - z2); odataptr[8] = DESCALE20(z11 + z4); odataptr[56] = DESCALE20(z11 - z4); odataptr++; /* advance pointer to next column */ wsptr++; } #else volatile mmx_t tmp6, tmp7; register mmx_t *dataptr = (mmx_t *)odata; mmx_t *idata2 = (mmx_t *)idata; // first copy the input 8 bit to the destination 16 bits movq_m2r(RTjpeg_zero, mm2); movq_m2r(*idata2, mm0); movq_r2r(mm0, mm1); punpcklbw_r2r(mm2, mm0); movq_r2m(mm0, *(dataptr)); punpckhbw_r2r(mm2, mm1); movq_r2m(mm1, *(dataptr+1)); idata2 += rskip; movq_m2r(*idata2, mm0); movq_r2r(mm0, mm1); punpcklbw_r2r(mm2, mm0); movq_r2m(mm0, *(dataptr+2)); punpckhbw_r2r(mm2, mm1); movq_r2m(mm1, *(dataptr+3)); idata2 += rskip; movq_m2r(*idata2, mm0); movq_r2r(mm0, mm1); punpcklbw_r2r(mm2, mm0); movq_r2m(mm0, *(dataptr+4)); punpckhbw_r2r(mm2, mm1); movq_r2m(mm1, *(dataptr+5)); idata2 += rskip; movq_m2r(*idata2, mm0); movq_r2r(mm0, mm1); punpcklbw_r2r(mm2, mm0); movq_r2m(mm0, *(dataptr+6)); punpckhbw_r2r(mm2, mm1); movq_r2m(mm1, *(dataptr+7)); idata2 += rskip; movq_m2r(*idata2, mm0); movq_r2r(mm0, mm1); punpcklbw_r2r(mm2, mm0); movq_r2m(mm0, *(dataptr+8)); punpckhbw_r2r(mm2, mm1); movq_r2m(mm1, *(dataptr+9)); idata2 += rskip; movq_m2r(*idata2, mm0); movq_r2r(mm0, mm1); punpcklbw_r2r(mm2, mm0); movq_r2m(mm0, *(dataptr+10)); punpckhbw_r2r(mm2, mm1); movq_r2m(mm1, *(dataptr+11)); idata2 += rskip; movq_m2r(*idata2, mm0); movq_r2r(mm0, mm1); punpcklbw_r2r(mm2, mm0); movq_r2m(mm0, *(dataptr+12)); punpckhbw_r2r(mm2, mm1); movq_r2m(mm1, *(dataptr+13)); idata2 += rskip; movq_m2r(*idata2, mm0); movq_r2r(mm0, mm1); punpcklbw_r2r(mm2, mm0); movq_r2m(mm0, *(dataptr+14)); punpckhbw_r2r(mm2, mm1); movq_r2m(mm1, *(dataptr+15)); /* Start Transpose to do calculations on rows */ movq_m2r(*(dataptr+9), mm7); // m03:m02|m01:m00 - first line (line 4)and copy into m5 movq_m2r(*(dataptr+13), mm6); // m23:m22|m21:m20 - third line (line 6)and copy into m2 movq_r2r(mm7, mm5); punpcklwd_m2r(*(dataptr+11), mm7); // m11:m01|m10:m00 - interleave first and second lines movq_r2r(mm6, mm2); punpcklwd_m2r(*(dataptr+15), mm6); // m31:m21|m30:m20 - interleave third and fourth lines movq_r2r(mm7, mm1); movq_m2r(*(dataptr+11), mm3); // m13:m13|m11:m10 - second line punpckldq_r2r(mm6, mm7); // m30:m20|m10:m00 - interleave to produce result 1 movq_m2r(*(dataptr+15), mm0); // m13:m13|m11:m10 - fourth line punpckhdq_r2r(mm6, mm1); // m31:m21|m11:m01 - interleave to produce result 2 movq_r2m(mm7,*(dataptr+9)); // write result 1 punpckhwd_r2r(mm3, mm5); // m13:m03|m12:m02 - interleave first and second lines movq_r2m(mm1,*(dataptr+11)); // write result 2 punpckhwd_r2r(mm0, mm2); // m33:m23|m32:m22 - interleave third and fourth lines movq_r2r(mm5, mm1); punpckldq_r2r(mm2, mm5); // m32:m22|m12:m02 - interleave to produce result 3 movq_m2r(*(dataptr+1), mm0); // m03:m02|m01:m00 - first line, 4x4 punpckhdq_r2r(mm2, mm1); // m33:m23|m13:m03 - interleave to produce result 4 movq_r2m(mm5,*(dataptr+13)); // write result 3 // last 4x4 done movq_r2m(mm1, *(dataptr+15)); // write result 4, last 4x4 movq_m2r(*(dataptr+5), mm2); // m23:m22|m21:m20 - third line movq_r2r(mm0, mm6); punpcklwd_m2r(*(dataptr+3), mm0); // m11:m01|m10:m00 - interleave first and second lines movq_r2r(mm2, mm7); punpcklwd_m2r(*(dataptr+7), mm2); // m31:m21|m30:m20 - interleave third and fourth lines movq_r2r(mm0, mm4); // movq_m2r(*(dataptr+8), mm1); // n03:n02|n01:n00 - first line punpckldq_r2r(mm2, mm0); // m30:m20|m10:m00 - interleave to produce first result movq_m2r(*(dataptr+12), mm3); // n23:n22|n21:n20 - third line punpckhdq_r2r(mm2, mm4); // m31:m21|m11:m01 - interleave to produce second result punpckhwd_m2r(*(dataptr+3), mm6); // m13:m03|m12:m02 - interleave first and second lines movq_r2r(mm1, mm2); // copy first line punpckhwd_m2r(*(dataptr+7), mm7); // m33:m23|m32:m22 - interleave third and fourth lines movq_r2r(mm6, mm5); // copy first intermediate result movq_r2m(mm0, *(dataptr+8)); // write result 1 punpckhdq_r2r(mm7, mm5); // m33:m23|m13:m03 - produce third result punpcklwd_m2r(*(dataptr+10), mm1); // n11:n01|n10:n00 - interleave first and second lines movq_r2r(mm3, mm0); // copy third line punpckhwd_m2r(*(dataptr+10), mm2); // n13:n03|n12:n02 - interleave first and second lines movq_r2m(mm4, *(dataptr+10)); // write result 2 out punpckldq_r2r(mm7, mm6); // m32:m22|m12:m02 - produce fourth result punpcklwd_m2r(*(dataptr+14), mm3); // n31:n21|n30:n20 - interleave third and fourth lines movq_r2r(mm1, mm4); movq_r2m(mm6, *(dataptr+12)); // write result 3 out punpckldq_r2r(mm3, mm1); // n30:n20|n10:n00 - produce first result punpckhwd_m2r(*(dataptr+14), mm0); // n33:n23|n32:n22 - interleave third and fourth lines movq_r2r(mm2, mm6); movq_r2m(mm5, *(dataptr+14)); // write result 4 out punpckhdq_r2r(mm3, mm4); // n31:n21|n11:n01- produce second result movq_r2m(mm1, *(dataptr+1)); // write result 5 out - (first result for other 4 x 4 block) punpckldq_r2r(mm0, mm2); // n32:n22|n12:n02- produce third result movq_r2m(mm4, *(dataptr+3)); // write result 6 out punpckhdq_r2r(mm0, mm6); // n33:n23|n13:n03 - produce fourth result movq_r2m(mm2, *(dataptr+5)); // write result 7 out movq_m2r(*dataptr, mm0); // m03:m02|m01:m00 - first line, first 4x4 movq_r2m(mm6, *(dataptr+7)); // write result 8 out // Do first 4x4 quadrant, which is used in the beginning of the DCT: movq_m2r(*(dataptr+4), mm7); // m23:m22|m21:m20 - third line movq_r2r(mm0, mm2); punpcklwd_m2r(*(dataptr+2), mm0); // m11:m01|m10:m00 - interleave first and second lines movq_r2r(mm7, mm4); punpcklwd_m2r(*(dataptr+6), mm7); // m31:m21|m30:m20 - interleave third and fourth lines movq_r2r(mm0, mm1); movq_m2r(*(dataptr+2), mm6); // m13:m12|m11:m10 - second line punpckldq_r2r(mm7, mm0); // m30:m20|m10:m00 - interleave to produce result 1 movq_m2r(*(dataptr+6), mm5); // m33:m32|m31:m30 - fourth line punpckhdq_r2r(mm7, mm1); // m31:m21|m11:m01 - interleave to produce result 2 movq_r2r(mm0, mm7); // write result 1 punpckhwd_r2r(mm6, mm2); // m13:m03|m12:m02 - interleave first and second lines psubw_m2r(*(dataptr+14), mm7); // tmp07=x0-x7 /* Stage 1 */ movq_r2r(mm1, mm6); // write result 2 paddw_m2r(*(dataptr+14), mm0); // tmp00=x0+x7 /* Stage 1 */ punpckhwd_r2r(mm5, mm4); // m33:m23|m32:m22 - interleave third and fourth lines paddw_m2r(*(dataptr+12), mm1); // tmp01=x1+x6 /* Stage 1 */ movq_r2r(mm2, mm3); // copy first intermediate result psubw_m2r(*(dataptr+12), mm6); // tmp06=x1-x6 /* Stage 1 */ punpckldq_r2r(mm4, mm2); // m32:m22|m12:m02 - interleave to produce result 3 movq_r2m(mm7, tmp7); movq_r2r(mm2, mm5); // write result 3 movq_r2m(mm6, tmp6); punpckhdq_r2r(mm4, mm3); // m33:m23|m13:m03 - interleave to produce result 4 paddw_m2r(*(dataptr+10), mm2); // tmp02=x2+5 /* Stage 1 */ movq_r2r(mm3, mm4); // write result 4 /************************************************************************************************ End of Transpose ************************************************************************************************/ paddw_m2r(*(dataptr+8), mm3); // tmp03=x3+x4 /* stage 1*/ movq_r2r(mm0, mm7); psubw_m2r(*(dataptr+8), mm4); // tmp04=x3-x4 /* stage 1*/ movq_r2r(mm1, mm6); paddw_r2r(mm3, mm0); // tmp10 = tmp00 + tmp03 /* even 2 */ psubw_r2r(mm3, mm7); // tmp13 = tmp00 - tmp03 /* even 2 */ psubw_r2r(mm2, mm6); // tmp12 = tmp01 - tmp02 /* even 2 */ paddw_r2r(mm2, mm1); // tmp11 = tmp01 + tmp02 /* even 2 */ psubw_m2r(*(dataptr+10), mm5); // tmp05=x2-x5 /* stage 1*/ paddw_r2r(mm7, mm6); // tmp12 + tmp13 /* stage 3 */ movq_m2r(tmp6, mm2); movq_r2r(mm0, mm3); psllw_i2r(2, mm6); // m8 * 2^2 paddw_r2r(mm1, mm0); pmulhw_m2r(RTjpeg_C4, mm6); // z1 psubw_r2r(mm1, mm3); movq_r2m(mm0, *dataptr); movq_r2r(mm7, mm0); /* Odd part */ movq_r2m(mm3, *(dataptr+8)); paddw_r2r(mm5, mm4); // tmp10 movq_m2r(tmp7, mm3); paddw_r2r(mm6, mm0); // tmp32 paddw_r2r(mm2, mm5); // tmp11 psubw_r2r(mm6, mm7); // tmp33 movq_r2m(mm0, *(dataptr+4)); paddw_r2r(mm3, mm2); // tmp12 /* stage 4 */ movq_r2m(mm7, *(dataptr+12)); movq_r2r(mm4, mm1); // copy of tmp10 psubw_r2r(mm2, mm1); // tmp10 - tmp12 psllw_i2r(2, mm4); // m8 * 2^2 movq_m2r(RTjpeg_C2mC6, mm0); psllw_i2r(2, mm1); pmulhw_m2r(RTjpeg_C6, mm1); // z5 psllw_i2r(2, mm2); pmulhw_r2r(mm0, mm4); // z5 /* stage 5 */ pmulhw_m2r(RTjpeg_C2pC6, mm2); psllw_i2r(2, mm5); pmulhw_m2r(RTjpeg_C4, mm5); // z3 movq_r2r(mm3, mm0); // copy tmp7 movq_m2r(*(dataptr+1), mm7); paddw_r2r(mm1, mm4); // z2 paddw_r2r(mm1, mm2); // z4 paddw_r2r(mm5, mm0); // z11 psubw_r2r(mm5, mm3); // z13 /* stage 6 */ movq_r2r(mm3, mm5); // copy z13 psubw_r2r(mm4, mm3); // y3=z13 - z2 paddw_r2r(mm4, mm5); // y5=z13 + z2 movq_r2r(mm0, mm6); // copy z11 movq_r2m(mm3, *(dataptr+6)); //save y3 psubw_r2r(mm2, mm0); // y7=z11 - z4 movq_r2m(mm5, *(dataptr+10)); //save y5 paddw_r2r(mm2, mm6); // y1=z11 + z4 movq_r2m(mm0, *(dataptr+14)); //save y7 /************************************************ * End of 1st 4 rows ************************************************/ movq_m2r(*(dataptr+3), mm1); // load x1 /* stage 1 */ movq_r2r(mm7, mm0); // copy x0 movq_r2m(mm6, *(dataptr+2)); //save y1 movq_m2r(*(dataptr+5), mm2); // load x2 /* stage 1 */ movq_r2r(mm1, mm6); // copy x1 paddw_m2r(*(dataptr+15), mm0); // tmp00 = x0 + x7 movq_m2r(*(dataptr+7), mm3); // load x3 /* stage 1 */ movq_r2r(mm2, mm5); // copy x2 psubw_m2r(*(dataptr+15), mm7); // tmp07 = x0 - x7 movq_r2r(mm3, mm4); // copy x3 paddw_m2r(*(dataptr+13), mm1); // tmp01 = x1 + x6 movq_r2m(mm7, tmp7); // save tmp07 movq_r2r(mm0, mm7); // copy tmp00 psubw_m2r(*(dataptr+13), mm6); // tmp06 = x1 - x6 /* stage 2, Even Part */ paddw_m2r(*(dataptr+9), mm3); // tmp03 = x3 + x4 movq_r2m(mm6, tmp6); // save tmp07 movq_r2r(mm1, mm6); // copy tmp01 paddw_m2r(*(dataptr+11), mm2); // tmp02 = x2 + x5 paddw_r2r(mm3, mm0); // tmp10 = tmp00 + tmp03 psubw_r2r(mm3, mm7); // tmp13 = tmp00 - tmp03 psubw_m2r(*(dataptr+9), mm4); // tmp04 = x3 - x4 psubw_r2r(mm2, mm6); // tmp12 = tmp01 - tmp02 paddw_r2r(mm2, mm1); // tmp11 = tmp01 + tmp02 psubw_m2r(*(dataptr+11), mm5); // tmp05 = x2 - x5 paddw_r2r(mm7, mm6); // tmp12 + tmp13 /* stage 3, Even and stage 4 & 5 even */ movq_m2r(tmp6, mm2); // load tmp6 movq_r2r(mm0, mm3); // copy tmp10 psllw_i2r(2, mm6); // shift z1 paddw_r2r(mm1, mm0); // y0=tmp10 + tmp11 pmulhw_m2r(RTjpeg_C4, mm6); // z1 psubw_r2r(mm1, mm3); // y4=tmp10 - tmp11 movq_r2m(mm0, *(dataptr+1)); //save y0 movq_r2r(mm7, mm0); // copy tmp13 /* odd part */ movq_r2m(mm3, *(dataptr+9)); //save y4 paddw_r2r(mm5, mm4); // tmp10 = tmp4 + tmp5 movq_m2r(tmp7, mm3); // load tmp7 paddw_r2r(mm6, mm0); // tmp32 = tmp13 + z1 paddw_r2r(mm2, mm5); // tmp11 = tmp5 + tmp6 psubw_r2r(mm6, mm7); // tmp33 = tmp13 - z1 movq_r2m(mm0, *(dataptr+5)); //save y2 paddw_r2r(mm3, mm2); // tmp12 = tmp6 + tmp7 /* stage 4 */ movq_r2m(mm7, *(dataptr+13)); //save y6 movq_r2r(mm4, mm1); // copy tmp10 psubw_r2r(mm2, mm1); // tmp10 - tmp12 psllw_i2r(2, mm4); // shift tmp10 movq_m2r(RTjpeg_C2mC6, mm0); // load C2mC6 psllw_i2r(2, mm1); // shift (tmp10-tmp12) pmulhw_m2r(RTjpeg_C6, mm1); // z5 psllw_i2r(2, mm5); // prepare for multiply pmulhw_r2r(mm0, mm4); // multiply by converted real /* stage 5 */ pmulhw_m2r(RTjpeg_C4, mm5); // z3 psllw_i2r(2, mm2); // prepare for multiply pmulhw_m2r(RTjpeg_C2pC6, mm2); // multiply movq_r2r(mm3, mm0); // copy tmp7 movq_m2r(*(dataptr+9), mm7); // m03:m02|m01:m00 - first line (line 4)and copy into mm7 paddw_r2r(mm1, mm4); // z2 paddw_r2r(mm5, mm0); // z11 psubw_r2r(mm5, mm3); // z13 /* stage 6 */ movq_r2r(mm3, mm5); // copy z13 paddw_r2r(mm1, mm2); // z4 movq_r2r(mm0, mm6); // copy z11 psubw_r2r(mm4, mm5); // y3 paddw_r2r(mm2, mm6); // y1 paddw_r2r(mm4, mm3); // y5 movq_r2m(mm5, *(dataptr+7)); //save y3 movq_r2m(mm6, *(dataptr+3)); //save y1 psubw_r2r(mm2, mm0); // y7 /************************************************************************************************ Start of Transpose ************************************************************************************************/ movq_m2r(*(dataptr+13), mm6); // m23:m22|m21:m20 - third line (line 6)and copy into m2 movq_r2r(mm7, mm5); // copy first line punpcklwd_r2r(mm3, mm7); // m11:m01|m10:m00 - interleave first and second lines movq_r2r(mm6, mm2); // copy third line punpcklwd_r2r(mm0, mm6); // m31:m21|m30:m20 - interleave third and fourth lines movq_r2r(mm7, mm1); // copy first intermediate result punpckldq_r2r(mm6, mm7); // m30:m20|m10:m00 - interleave to produce result 1 punpckhdq_r2r(mm6, mm1); // m31:m21|m11:m01 - interleave to produce result 2 movq_r2m(mm7, *(dataptr+9)); // write result 1 punpckhwd_r2r(mm3, mm5); // m13:m03|m12:m02 - interleave first and second lines movq_r2m(mm1, *(dataptr+11)); // write result 2 punpckhwd_r2r(mm0, mm2); // m33:m23|m32:m22 - interleave third and fourth lines movq_r2r(mm5, mm1); // copy first intermediate result punpckldq_r2r(mm2, mm5); // m32:m22|m12:m02 - interleave to produce result 3 movq_m2r(*(dataptr+1), mm0); // m03:m02|m01:m00 - first line, 4x4 punpckhdq_r2r(mm2, mm1); // m33:m23|m13:m03 - interleave to produce result 4 movq_r2m(mm5, *(dataptr+13)); // write result 3 /****** last 4x4 done */ movq_r2m(mm1, *(dataptr+15)); // write result 4, last 4x4 movq_m2r(*(dataptr+5), mm2); // m23:m22|m21:m20 - third line movq_r2r(mm0, mm6); // copy first line punpcklwd_m2r(*(dataptr+3), mm0); // m11:m01|m10:m00 - interleave first and second lines movq_r2r(mm2, mm7); // copy third line punpcklwd_m2r(*(dataptr+7), mm2); // m31:m21|m30:m20 - interleave third and fourth lines movq_r2r(mm0, mm4); // copy first intermediate result movq_m2r(*(dataptr+8), mm1); // n03:n02|n01:n00 - first line punpckldq_r2r(mm2, mm0); // m30:m20|m10:m00 - interleave to produce first result movq_m2r(*(dataptr+12), mm3); // n23:n22|n21:n20 - third line punpckhdq_r2r(mm2, mm4); // m31:m21|m11:m01 - interleave to produce second result punpckhwd_m2r(*(dataptr+3), mm6); // m13:m03|m12:m02 - interleave first and second lines movq_r2r(mm1, mm2); // copy first line punpckhwd_m2r(*(dataptr+7), mm7); // m33:m23|m32:m22 - interleave third and fourth lines movq_r2r(mm6, mm5); // copy first intermediate result movq_r2m(mm0, *(dataptr+8)); // write result 1 punpckhdq_r2r(mm7, mm5); // m33:m23|m13:m03 - produce third result punpcklwd_m2r(*(dataptr+10), mm1); // n11:n01|n10:n00 - interleave first and second lines movq_r2r(mm3, mm0); // copy third line punpckhwd_m2r(*(dataptr+10), mm2); // n13:n03|n12:n02 - interleave first and second lines movq_r2m(mm4, *(dataptr+10)); // write result 2 out punpckldq_r2r(mm7, mm6); // m32:m22|m12:m02 - produce fourth result punpcklwd_m2r(*(dataptr+14), mm3); // n33:n23|n32:n22 - interleave third and fourth lines movq_r2r(mm1, mm4); // copy second intermediate result movq_r2m(mm6, *(dataptr+12)); // write result 3 out punpckldq_r2r(mm3, mm1); // punpckhwd_m2r(*(dataptr+14), mm0); // n33:n23|n32:n22 - interleave third and fourth lines movq_r2r(mm2, mm6); // copy second intermediate result movq_r2m(mm5, *(dataptr+14)); // write result 4 out punpckhdq_r2r(mm3, mm4); // n31:n21|n11:n01- produce second result movq_r2m(mm1, *(dataptr+1)); // write result 5 out - (first result for other 4 x 4 block) punpckldq_r2r(mm0, mm2); // n32:n22|n12:n02- produce third result movq_r2m(mm4, *(dataptr+3)); // write result 6 out punpckhdq_r2r(mm0, mm6); // n33:n23|n13:n03 - produce fourth result movq_r2m(mm2, *(dataptr+5)); // write result 7 out movq_m2r(*dataptr, mm0); // m03:m02|m01:m00 - first line, first 4x4 movq_r2m(mm6, *(dataptr+7)); // write result 8 out // Do first 4x4 quadrant, which is used in the beginning of the DCT: movq_m2r(*(dataptr+4), mm7); // m23:m22|m21:m20 - third line movq_r2r(mm0, mm2); // copy first line punpcklwd_m2r(*(dataptr+2), mm0); // m11:m01|m10:m00 - interleave first and second lines movq_r2r(mm7, mm4); // copy third line punpcklwd_m2r(*(dataptr+6), mm7); // m31:m21|m30:m20 - interleave third and fourth lines movq_r2r(mm0, mm1); // copy first intermediate result movq_m2r(*(dataptr+2), mm6); // m13:m12|m11:m10 - second line punpckldq_r2r(mm7, mm0); // m30:m20|m10:m00 - interleave to produce result 1 movq_m2r(*(dataptr+6), mm5); // m33:m32|m31:m30 - fourth line punpckhdq_r2r(mm7, mm1); // m31:m21|m11:m01 - interleave to produce result 2 movq_r2r(mm0, mm7); // write result 1 punpckhwd_r2r(mm6, mm2); // m13:m03|m12:m02 - interleave first and second lines psubw_m2r(*(dataptr+14), mm7); // tmp07=x0-x7 /* Stage 1 */ movq_r2r(mm1, mm6); // write result 2 paddw_m2r(*(dataptr+14), mm0); // tmp00=x0+x7 /* Stage 1 */ punpckhwd_r2r(mm5, mm4); // m33:m23|m32:m22 - interleave third and fourth lines paddw_m2r(*(dataptr+12), mm1); // tmp01=x1+x6 /* Stage 1 */ movq_r2r(mm2, mm3); // copy first intermediate result psubw_m2r(*(dataptr+12), mm6); // tmp06=x1-x6 /* Stage 1 */ punpckldq_r2r(mm4, mm2); // m32:m22|m12:m02 - interleave to produce result 3 movq_r2m(mm7, tmp7); // save tmp07 movq_r2r(mm2, mm5); // write result 3 movq_r2m(mm6, tmp6); // save tmp06 punpckhdq_r2r(mm4, mm3); // m33:m23|m13:m03 - interleave to produce result 4 paddw_m2r(*(dataptr+10), mm2); // tmp02=x2+x5 /* stage 1 */ movq_r2r(mm3, mm4); // write result 4 /************************************************************************************************ End of Transpose 2 ************************************************************************************************/ paddw_m2r(*(dataptr+8), mm3); // tmp03=x3+x4 /* stage 1*/ movq_r2r(mm0, mm7); psubw_m2r(*(dataptr+8), mm4); // tmp04=x3-x4 /* stage 1*/ movq_r2r(mm1, mm6); paddw_r2r(mm3, mm0); // tmp10 = tmp00 + tmp03 /* even 2 */ psubw_r2r(mm3, mm7); // tmp13 = tmp00 - tmp03 /* even 2 */ psubw_r2r(mm2, mm6); // tmp12 = tmp01 - tmp02 /* even 2 */ paddw_r2r(mm2, mm1); // tmp11 = tmp01 + tmp02 /* even 2 */ psubw_m2r(*(dataptr+10), mm5); // tmp05=x2-x5 /* stage 1*/ paddw_r2r(mm7, mm6); // tmp12 + tmp13 /* stage 3 */ movq_m2r(tmp6, mm2); movq_r2r(mm0, mm3); psllw_i2r(2, mm6); // m8 * 2^2 paddw_r2r(mm1, mm0); pmulhw_m2r(RTjpeg_C4, mm6); // z1 psubw_r2r(mm1, mm3); movq_r2m(mm0, *dataptr); movq_r2r(mm7, mm0); /* Odd part */ movq_r2m(mm3, *(dataptr+8)); paddw_r2r(mm5, mm4); // tmp10 movq_m2r(tmp7, mm3); paddw_r2r(mm6, mm0); // tmp32 paddw_r2r(mm2, mm5); // tmp11 psubw_r2r(mm6, mm7); // tmp33 movq_r2m(mm0, *(dataptr+4)); paddw_r2r(mm3, mm2); // tmp12 /* stage 4 */ movq_r2m(mm7, *(dataptr+12)); movq_r2r(mm4, mm1); // copy of tmp10 psubw_r2r(mm2, mm1); // tmp10 - tmp12 psllw_i2r(2, mm4); // m8 * 2^2 movq_m2r(RTjpeg_C2mC6, mm0); psllw_i2r(2, mm1); pmulhw_m2r(RTjpeg_C6, mm1); // z5 psllw_i2r(2, mm2); pmulhw_r2r(mm0, mm4); // z5 /* stage 5 */ pmulhw_m2r(RTjpeg_C2pC6, mm2); psllw_i2r(2, mm5); pmulhw_m2r(RTjpeg_C4, mm5); // z3 movq_r2r(mm3, mm0); // copy tmp7 movq_m2r(*(dataptr+1), mm7); paddw_r2r(mm1, mm4); // z2 paddw_r2r(mm1, mm2); // z4 paddw_r2r(mm5, mm0); // z11 psubw_r2r(mm5, mm3); // z13 /* stage 6 */ movq_r2r(mm3, mm5); // copy z13 psubw_r2r(mm4, mm3); // y3=z13 - z2 paddw_r2r(mm4, mm5); // y5=z13 + z2 movq_r2r(mm0, mm6); // copy z11 movq_r2m(mm3, *(dataptr+6)); //save y3 psubw_r2r(mm2, mm0); // y7=z11 - z4 movq_r2m(mm5, *(dataptr+10)); //save y5 paddw_r2r(mm2, mm6); // y1=z11 + z4 movq_r2m(mm0, *(dataptr+14)); //save y7 /************************************************ * End of 1st 4 rows ************************************************/ movq_m2r(*(dataptr+3), mm1); // load x1 /* stage 1 */ movq_r2r(mm7, mm0); // copy x0 movq_r2m(mm6, *(dataptr+2)); //save y1 movq_m2r(*(dataptr+5), mm2); // load x2 /* stage 1 */ movq_r2r(mm1, mm6); // copy x1 paddw_m2r(*(dataptr+15), mm0); // tmp00 = x0 + x7 movq_m2r(*(dataptr+7), mm3); // load x3 /* stage 1 */ movq_r2r(mm2, mm5); // copy x2 psubw_m2r(*(dataptr+15), mm7); // tmp07 = x0 - x7 movq_r2r(mm3, mm4); // copy x3 paddw_m2r(*(dataptr+13), mm1); // tmp01 = x1 + x6 movq_r2m(mm7, tmp7); // save tmp07 movq_r2r(mm0, mm7); // copy tmp00 psubw_m2r(*(dataptr+13), mm6); // tmp06 = x1 - x6 /* stage 2, Even Part */ paddw_m2r(*(dataptr+9), mm3); // tmp03 = x3 + x4 movq_r2m(mm6, tmp6); // save tmp07 movq_r2r(mm1, mm6); // copy tmp01 paddw_m2r(*(dataptr+11), mm2); // tmp02 = x2 + x5 paddw_r2r(mm3, mm0); // tmp10 = tmp00 + tmp03 psubw_r2r(mm3, mm7); // tmp13 = tmp00 - tmp03 psubw_m2r(*(dataptr+9), mm4); // tmp04 = x3 - x4 psubw_r2r(mm2, mm6); // tmp12 = tmp01 - tmp02 paddw_r2r(mm2, mm1); // tmp11 = tmp01 + tmp02 psubw_m2r(*(dataptr+11), mm5); // tmp05 = x2 - x5 paddw_r2r(mm7, mm6); // tmp12 + tmp13 /* stage 3, Even and stage 4 & 5 even */ movq_m2r(tmp6, mm2); // load tmp6 movq_r2r(mm0, mm3); // copy tmp10 psllw_i2r(2, mm6); // shift z1 paddw_r2r(mm1, mm0); // y0=tmp10 + tmp11 pmulhw_m2r(RTjpeg_C4, mm6); // z1 psubw_r2r(mm1, mm3); // y4=tmp10 - tmp11 movq_r2m(mm0, *(dataptr+1)); //save y0 movq_r2r(mm7, mm0); // copy tmp13 /* odd part */ movq_r2m(mm3, *(dataptr+9)); //save y4 paddw_r2r(mm5, mm4); // tmp10 = tmp4 + tmp5 movq_m2r(tmp7, mm3); // load tmp7 paddw_r2r(mm6, mm0); // tmp32 = tmp13 + z1 paddw_r2r(mm2, mm5); // tmp11 = tmp5 + tmp6 psubw_r2r(mm6, mm7); // tmp33 = tmp13 - z1 movq_r2m(mm0, *(dataptr+5)); //save y2 paddw_r2r(mm3, mm2); // tmp12 = tmp6 + tmp7 /* stage 4 */ movq_r2m(mm7, *(dataptr+13)); //save y6 movq_r2r(mm4, mm1); // copy tmp10 psubw_r2r(mm2, mm1); // tmp10 - tmp12 psllw_i2r(2, mm4); // shift tmp10 movq_m2r(RTjpeg_C2mC6, mm0); // load C2mC6 psllw_i2r(2, mm1); // shift (tmp10-tmp12) pmulhw_m2r(RTjpeg_C6, mm1); // z5 psllw_i2r(2, mm5); // prepare for multiply pmulhw_r2r(mm0, mm4); // multiply by converted real /* stage 5 */ pmulhw_m2r(RTjpeg_C4, mm5); // z3 psllw_i2r(2, mm2); // prepare for multiply pmulhw_m2r(RTjpeg_C2pC6, mm2); // multiply movq_r2r(mm3, mm0); // copy tmp7 movq_m2r(*(dataptr+9), mm7); // m03:m02|m01:m00 - first line (line 4)and copy into mm7 paddw_r2r(mm1, mm4); // z2 paddw_r2r(mm5, mm0); // z11 psubw_r2r(mm5, mm3); // z13 /* stage 6 */ movq_r2r(mm3, mm5); // copy z13 paddw_r2r(mm1, mm2); // z4 movq_r2r(mm0, mm6); // copy z11 psubw_r2r(mm4, mm5); // y3 paddw_r2r(mm2, mm6); // y1 paddw_r2r(mm4, mm3); // y5 movq_r2m(mm5, *(dataptr+7)); //save y3 psubw_r2r(mm2, mm0); // yè=z11 - z4 movq_r2m(mm3, *(dataptr+11)); //save y5 movq_r2m(mm6, *(dataptr+3)); //save y1 movq_r2m(mm0, *(dataptr+15)); //save y7 #endif } #define FIX_1_082392200 ((__s32) 277) /* FIX(1.082392200) */ #define FIX_1_414213562 ((__s32) 362) /* FIX(1.414213562) */ #define FIX_1_847759065 ((__s32) 473) /* FIX(1.847759065) */ #define FIX_2_613125930 ((__s32) 669) /* FIX(2.613125930) */ #define DESCALE(x) (__s16)( ((x)+4) >> 3) /* clip yuv to 16..235 (should be 16..240 for cr/cb but ... */ #define RL(x) ((x)>235) ? 235 : (((x)<16) ? 16 : (x)) #define MULTIPLY(var,const) (((__s32) ((var) * (const)) + 128)>>8) void RTjpeg_idct_init(void) { int i; for(i=0; i<64; i++) { RTjpeg_liqt[i]=((__u64)RTjpeg_liqt[i]*RTjpeg_aan_tab[i])>>32; RTjpeg_ciqt[i]=((__u64)RTjpeg_ciqt[i]*RTjpeg_aan_tab[i])>>32; } } void RTjpeg_idct(__u8 *odata, __s16 *data, int rskip) { #ifdef MMX static mmx_t fix_141 = (mmx_t)(long long)0x5a825a825a825a82LL; static mmx_t fix_184n261 = (mmx_t)(long long)0xcf04cf04cf04cf04LL; static mmx_t fix_184 = (mmx_t)(long long)0x7641764176417641LL; static mmx_t fix_n184 = (mmx_t)(long long)0x896f896f896f896fLL; static mmx_t fix_108n184 = (mmx_t)(long long)0xcf04cf04cf04cf04LL; mmx_t workspace[64]; mmx_t *wsptr = workspace; register mmx_t *dataptr = (mmx_t *)odata; mmx_t *idata = (mmx_t *)data; rskip = rskip>>3; /* * Perform inverse DCT on one block of coefficients. */ /* Odd part */ movq_m2r(*(idata+10), mm1); // load idata[DCTSIZE*5] movq_m2r(*(idata+6), mm0); // load idata[DCTSIZE*3] movq_m2r(*(idata+2), mm3); // load idata[DCTSIZE*1] movq_r2r(mm1, mm2); // copy tmp6 /* phase 6 */ movq_m2r(*(idata+14), mm4); // load idata[DCTSIZE*7] paddw_r2r(mm0, mm1); // z13 = tmp6 + tmp5; psubw_r2r(mm0, mm2); // z10 = tmp6 - tmp5 psllw_i2r(2, mm2); // shift z10 movq_r2r(mm2, mm0); // copy z10 pmulhw_m2r(fix_184n261, mm2); // MULTIPLY( z12, FIX_1_847759065); /* 2*c2 */ movq_r2r(mm3, mm5); // copy tmp4 pmulhw_m2r(fix_n184, mm0); // MULTIPLY(z10, -FIX_1_847759065); /* 2*c2 */ paddw_r2r(mm4, mm3); // z11 = tmp4 + tmp7; movq_r2r(mm3, mm6); // copy z11 /* phase 5 */ psubw_r2r(mm4, mm5); // z12 = tmp4 - tmp7; psubw_r2r(mm1, mm6); // z11-z13 psllw_i2r(2, mm5); // shift z12 movq_m2r(*(idata+12), mm4); // load idata[DCTSIZE*6], even part movq_r2r(mm5, mm7); // copy z12 pmulhw_m2r(fix_108n184, mm5); // MULT(z12, (FIX_1_08-FIX_1_84)) //- z5; /* 2*(c2-c6) */ even part paddw_r2r(mm1, mm3); // tmp7 = z11 + z13; //ok /* Even part */ pmulhw_m2r(fix_184, mm7); // MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) //+ z5; /* -2*(c2+c6) */ psllw_i2r(2, mm6); movq_m2r(*(idata+4), mm1); // load idata[DCTSIZE*2] paddw_r2r(mm5, mm0); // tmp10 paddw_r2r(mm7, mm2); // tmp12 pmulhw_m2r(fix_141, mm6); // tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); /* 2*c4 */ psubw_r2r(mm3, mm2); // tmp6 = tmp12 - tmp7 movq_r2r(mm1, mm5); // copy tmp1 paddw_r2r(mm4, mm1); // tmp13= tmp1 + tmp3; /* phases 5-3 */ psubw_r2r(mm4, mm5); // tmp1-tmp3 psubw_r2r(mm2, mm6); // tmp5 = tmp11 - tmp6; movq_r2m(mm1, *(wsptr)); // save tmp13 in workspace psllw_i2r(2, mm5); // shift tmp1-tmp3 movq_m2r(*(idata), mm7); // load idata[DCTSIZE*0] pmulhw_m2r(fix_141, mm5); // MULTIPLY(tmp1 - tmp3, FIX_1_414213562) paddw_r2r(mm6, mm0); // tmp4 = tmp10 + tmp5; movq_m2r(*(idata+8), mm4); // load idata[DCTSIZE*4] psubw_r2r(mm1, mm5); // tmp12 = MULTIPLY(tmp1 - tmp3, FIX_1_414213562) - tmp13; /* 2*c4 */ movq_r2m(mm0, *(wsptr+4)); // save tmp4 in workspace movq_r2r(mm7, mm1); // copy tmp0 /* phase 3 */ movq_r2m(mm5, *(wsptr+2)); // save tmp12 in workspace psubw_r2r(mm4, mm1); // tmp11 = tmp0 - tmp2; paddw_r2r(mm4, mm7); // tmp10 = tmp0 + tmp2; movq_r2r(mm1, mm5); // copy tmp11 paddw_m2r(*(wsptr+2), mm1); // tmp1 = tmp11 + tmp12; movq_r2r(mm7, mm4); // copy tmp10 /* phase 2 */ paddw_m2r(*(wsptr), mm7); // tmp0 = tmp10 + tmp13; psubw_m2r(*(wsptr), mm4); // tmp3 = tmp10 - tmp13; movq_r2r(mm7, mm0); // copy tmp0 psubw_m2r(*(wsptr+2), mm5); // tmp2 = tmp11 - tmp12; paddw_r2r(mm3, mm7); // wsptr[DCTSIZE*0] = (int) (tmp0 + tmp7); psubw_r2r(mm3, mm0); // wsptr[DCTSIZE*7] = (int) (tmp0 - tmp7); movq_r2m(mm7, *(wsptr)); // wsptr[DCTSIZE*0] movq_r2r(mm1, mm3); // copy tmp1 movq_r2m(mm0, *(wsptr+14)); // wsptr[DCTSIZE*7] paddw_r2r(mm2, mm1); // wsptr[DCTSIZE*1] = (int) (tmp1 + tmp6); psubw_r2r(mm2, mm3); // wsptr[DCTSIZE*6] = (int) (tmp1 - tmp6); movq_r2m(mm1, *(wsptr+2)); // wsptr[DCTSIZE*1] movq_r2r(mm4, mm1); // copy tmp3 movq_r2m(mm3, *(wsptr+12)); // wsptr[DCTSIZE*6] paddw_m2r(*(wsptr+4), mm4); // wsptr[DCTSIZE*4] = (int) (tmp3 + tmp4); psubw_m2r(*(wsptr+4), mm1); // wsptr[DCTSIZE*3] = (int) (tmp3 - tmp4); movq_r2m(mm4, *(wsptr+8)); movq_r2r(mm5, mm7); // copy tmp2 paddw_r2r(mm6, mm5); // wsptr[DCTSIZE*2] = (int) (tmp2 + tmp5) movq_r2m(mm1, *(wsptr+6)); psubw_r2r(mm6, mm7); // wsptr[DCTSIZE*5] = (int) (tmp2 - tmp5); movq_r2m(mm5, *(wsptr+4)); movq_r2m(mm7, *(wsptr+10)); //ok /*****************************************************************/ idata++; wsptr++; /*****************************************************************/ movq_m2r(*(idata+10), mm1); // load idata[DCTSIZE*5] movq_m2r(*(idata+6), mm0); // load idata[DCTSIZE*3] movq_m2r(*(idata+2), mm3); // load idata[DCTSIZE*1] movq_r2r(mm1, mm2); // copy tmp6 /* phase 6 */ movq_m2r(*(idata+14), mm4); // load idata[DCTSIZE*7] paddw_r2r(mm0, mm1); // z13 = tmp6 + tmp5; psubw_r2r(mm0, mm2); // z10 = tmp6 - tmp5 psllw_i2r(2, mm2); // shift z10 movq_r2r(mm2, mm0); // copy z10 pmulhw_m2r(fix_184n261, mm2); // MULTIPLY( z12, FIX_1_847759065); /* 2*c2 */ movq_r2r(mm3, mm5); // copy tmp4 pmulhw_m2r(fix_n184, mm0); // MULTIPLY(z10, -FIX_1_847759065); /* 2*c2 */ paddw_r2r(mm4, mm3); // z11 = tmp4 + tmp7; movq_r2r(mm3, mm6); // copy z11 /* phase 5 */ psubw_r2r(mm4, mm5); // z12 = tmp4 - tmp7; psubw_r2r(mm1, mm6); // z11-z13 psllw_i2r(2, mm5); // shift z12 movq_m2r(*(idata+12), mm4); // load idata[DCTSIZE*6], even part movq_r2r(mm5, mm7); // copy z12 pmulhw_m2r(fix_108n184, mm5); // MULT(z12, (FIX_1_08-FIX_1_84)) //- z5; /* 2*(c2-c6) */ even part paddw_r2r(mm1, mm3); // tmp7 = z11 + z13; //ok /* Even part */ pmulhw_m2r(fix_184, mm7); // MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) //+ z5; /* -2*(c2+c6) */ psllw_i2r(2, mm6); movq_m2r(*(idata+4), mm1); // load idata[DCTSIZE*2] paddw_r2r(mm5, mm0); // tmp10 paddw_r2r(mm7, mm2); // tmp12 pmulhw_m2r(fix_141, mm6); // tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); /* 2*c4 */ psubw_r2r(mm3, mm2); // tmp6 = tmp12 - tmp7 movq_r2r(mm1, mm5); // copy tmp1 paddw_r2r(mm4, mm1); // tmp13= tmp1 + tmp3; /* phases 5-3 */ psubw_r2r(mm4, mm5); // tmp1-tmp3 psubw_r2r(mm2, mm6); // tmp5 = tmp11 - tmp6; movq_r2m(mm1, *(wsptr)); // save tmp13 in workspace psllw_i2r(2, mm5); // shift tmp1-tmp3 movq_m2r(*(idata), mm7); // load idata[DCTSIZE*0] paddw_r2r(mm6, mm0); // tmp4 = tmp10 + tmp5; pmulhw_m2r(fix_141, mm5); // MULTIPLY(tmp1 - tmp3, FIX_1_414213562) movq_m2r(*(idata+8), mm4); // load idata[DCTSIZE*4] psubw_r2r(mm1, mm5); // tmp12 = MULTIPLY(tmp1 - tmp3, FIX_1_414213562) - tmp13; /* 2*c4 */ movq_r2m(mm0, *(wsptr+4)); // save tmp4 in workspace movq_r2r(mm7, mm1); // copy tmp0 /* phase 3 */ movq_r2m(mm5, *(wsptr+2)); // save tmp12 in workspace psubw_r2r(mm4, mm1); // tmp11 = tmp0 - tmp2; paddw_r2r(mm4, mm7); // tmp10 = tmp0 + tmp2; movq_r2r(mm1, mm5); // copy tmp11 paddw_m2r(*(wsptr+2), mm1); // tmp1 = tmp11 + tmp12; movq_r2r(mm7, mm4); // copy tmp10 /* phase 2 */ paddw_m2r(*(wsptr), mm7); // tmp0 = tmp10 + tmp13; psubw_m2r(*(wsptr), mm4); // tmp3 = tmp10 - tmp13; movq_r2r(mm7, mm0); // copy tmp0 psubw_m2r(*(wsptr+2), mm5); // tmp2 = tmp11 - tmp12; paddw_r2r(mm3, mm7); // wsptr[DCTSIZE*0] = (int) (tmp0 + tmp7); psubw_r2r(mm3, mm0); // wsptr[DCTSIZE*7] = (int) (tmp0 - tmp7); movq_r2m(mm7, *(wsptr)); // wsptr[DCTSIZE*0] movq_r2r(mm1, mm3); // copy tmp1 movq_r2m(mm0, *(wsptr+14)); // wsptr[DCTSIZE*7] paddw_r2r(mm2, mm1); // wsptr[DCTSIZE*1] = (int) (tmp1 + tmp6); psubw_r2r(mm2, mm3); // wsptr[DCTSIZE*6] = (int) (tmp1 - tmp6); movq_r2m(mm1, *(wsptr+2)); // wsptr[DCTSIZE*1] movq_r2r(mm4, mm1); // copy tmp3 movq_r2m(mm3, *(wsptr+12)); // wsptr[DCTSIZE*6] paddw_m2r(*(wsptr+4), mm4); // wsptr[DCTSIZE*4] = (int) (tmp3 + tmp4); psubw_m2r(*(wsptr+4), mm1); // wsptr[DCTSIZE*3] = (int) (tmp3 - tmp4); movq_r2m(mm4, *(wsptr+8)); movq_r2r(mm5, mm7); // copy tmp2 paddw_r2r(mm6, mm5); // wsptr[DCTSIZE*2] = (int) (tmp2 + tmp5) movq_r2m(mm1, *(wsptr+6)); psubw_r2r(mm6, mm7); // wsptr[DCTSIZE*5] = (int) (tmp2 - tmp5); movq_r2m(mm5, *(wsptr+4)); movq_r2m(mm7, *(wsptr+10)); /*****************************************************************/ /* Pass 2: process rows from work array, store into output array. */ /* Note that we must descale the results by a factor of 8 == 2**3, */ /* and also undo the PASS1_BITS scaling. */ /*****************************************************************/ /* Even part */ wsptr--; // tmp10 = ((DCTELEM) wsptr[0] + (DCTELEM) wsptr[4]); // tmp13 = ((DCTELEM) wsptr[2] + (DCTELEM) wsptr[6]); // tmp11 = ((DCTELEM) wsptr[0] - (DCTELEM) wsptr[4]); // tmp14 = ((DCTELEM) wsptr[2] - (DCTELEM) wsptr[6]); movq_m2r(*(wsptr), mm0); // wsptr[0,0],[0,1],[0,2],[0,3] movq_m2r(*(wsptr+1), mm1); // wsptr[0,4],[0,5],[0,6],[0,7] movq_r2r(mm0, mm2); movq_m2r(*(wsptr+2), mm3); // wsptr[1,0],[1,1],[1,2],[1,3] paddw_r2r(mm1, mm0); // wsptr[0,tmp10],[xxx],[0,tmp13],[xxx] movq_m2r(*(wsptr+3), mm4); // wsptr[1,4],[1,5],[1,6],[1,7] psubw_r2r(mm1, mm2); // wsptr[0,tmp11],[xxx],[0,tmp14],[xxx] movq_r2r(mm0, mm6); movq_r2r(mm3, mm5); paddw_r2r(mm4, mm3); // wsptr[1,tmp10],[xxx],[1,tmp13],[xxx] movq_r2r(mm2, mm1); psubw_r2r(mm4, mm5); // wsptr[1,tmp11],[xxx],[1,tmp14],[xxx] punpcklwd_r2r(mm3, mm0); // wsptr[0,tmp10],[1,tmp10],[xxx],[xxx] movq_m2r(*(wsptr+7), mm7); // wsptr[3,4],[3,5],[3,6],[3,7] punpckhwd_r2r(mm3, mm6); // wsptr[0,tmp13],[1,tmp13],[xxx],[xxx] movq_m2r(*(wsptr+4), mm3); // wsptr[2,0],[2,1],[2,2],[2,3] punpckldq_r2r(mm6, mm0); // wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13] punpcklwd_r2r(mm5, mm1); // wsptr[0,tmp11],[1,tmp11],[xxx],[xxx] movq_r2r(mm3, mm4); movq_m2r(*(wsptr+6), mm6); // wsptr[3,0],[3,1],[3,2],[3,3] punpckhwd_r2r(mm5, mm2); // wsptr[0,tmp14],[1,tmp14],[xxx],[xxx] movq_m2r(*(wsptr+5), mm5); // wsptr[2,4],[2,5],[2,6],[2,7] punpckldq_r2r(mm2, mm1); // wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14] paddw_r2r(mm5, mm3); // wsptr[2,tmp10],[xxx],[2,tmp13],[xxx] movq_r2r(mm6, mm2); psubw_r2r(mm5, mm4); // wsptr[2,tmp11],[xxx],[2,tmp14],[xxx] paddw_r2r(mm7, mm6); // wsptr[3,tmp10],[xxx],[3,tmp13],[xxx] movq_r2r(mm3, mm5); punpcklwd_r2r(mm6, mm3); // wsptr[2,tmp10],[3,tmp10],[xxx],[xxx] psubw_r2r(mm7, mm2); // wsptr[3,tmp11],[xxx],[3,tmp14],[xxx] punpckhwd_r2r(mm6, mm5); // wsptr[2,tmp13],[3,tmp13],[xxx],[xxx] movq_r2r(mm4, mm7); punpckldq_r2r(mm5, mm3); // wsptr[2,tmp10],[3,tmp10],[2,tmp13],[3,tmp13] punpcklwd_r2r(mm2, mm4); // wsptr[2,tmp11],[3,tmp11],[xxx],[xxx] punpckhwd_r2r(mm2, mm7); // wsptr[2,tmp14],[3,tmp14],[xxx],[xxx] punpckldq_r2r(mm7, mm4); // wsptr[2,tmp11],[3,tmp11],[2,tmp14],[3,tmp14] movq_r2r(mm1, mm6); //ok // mm0 = ;wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13] // mm1 = ;wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14] movq_r2r(mm0, mm2); punpckhdq_r2r(mm4, mm6); // wsptr[0,tmp14],[1,tmp14],[2,tmp14],[3,tmp14] punpckldq_r2r(mm4, mm1); // wsptr[0,tmp11],[1,tmp11],[2,tmp11],[3,tmp11] psllw_i2r(2, mm6); pmulhw_m2r(fix_141, mm6); punpckldq_r2r(mm3, mm0); // wsptr[0,tmp10],[1,tmp10],[2,tmp10],[3,tmp10] punpckhdq_r2r(mm3, mm2); // wsptr[0,tmp13],[1,tmp13],[2,tmp13],[3,tmp13] movq_r2r(mm0, mm7); // tmp0 = tmp10 + tmp13; // tmp3 = tmp10 - tmp13; paddw_r2r(mm2, mm0); // [0,tmp0],[1,tmp0],[2,tmp0],[3,tmp0] psubw_r2r(mm2, mm7); // [0,tmp3],[1,tmp3],[2,tmp3],[3,tmp3] // tmp12 = MULTIPLY(tmp14, FIX_1_414213562) - tmp13; psubw_r2r(mm2, mm6); // wsptr[0,tmp12],[1,tmp12],[2,tmp12],[3,tmp12] // tmp1 = tmp11 + tmp12; // tmp2 = tmp11 - tmp12; movq_r2r(mm1, mm5); //OK /* Odd part */ // z13 = (DCTELEM) wsptr[5] + (DCTELEM) wsptr[3]; // z10 = (DCTELEM) wsptr[5] - (DCTELEM) wsptr[3]; // z11 = (DCTELEM) wsptr[1] + (DCTELEM) wsptr[7]; // z12 = (DCTELEM) wsptr[1] - (DCTELEM) wsptr[7]; movq_m2r(*(wsptr), mm3); // wsptr[0,0],[0,1],[0,2],[0,3] paddw_r2r(mm6, mm1); // [0,tmp1],[1,tmp1],[2,tmp1],[3,tmp1] movq_m2r(*(wsptr+1), mm4); // wsptr[0,4],[0,5],[0,6],[0,7] psubw_r2r(mm6, mm5); // [0,tmp2],[1,tmp2],[2,tmp2],[3,tmp2] movq_r2r(mm3, mm6); punpckldq_r2r(mm4, mm3); // wsptr[0,0],[0,1],[0,4],[0,5] punpckhdq_r2r(mm6, mm4); // wsptr[0,6],[0,7],[0,2],[0,3] movq_r2r(mm3, mm2); //Save tmp0 and tmp1 in wsptr movq_r2m(mm0, *(wsptr)); // save tmp0 paddw_r2r(mm4, mm2); // wsptr[xxx],[0,z11],[xxx],[0,z13] //Continue with z10 --- z13 movq_m2r(*(wsptr+2), mm6); // wsptr[1,0],[1,1],[1,2],[1,3] psubw_r2r(mm4, mm3); // wsptr[xxx],[0,z12],[xxx],[0,z10] movq_m2r(*(wsptr+3), mm0); // wsptr[1,4],[1,5],[1,6],[1,7] movq_r2r(mm6, mm4); movq_r2m(mm1, *(wsptr+1)); // save tmp1 punpckldq_r2r(mm0, mm6); // wsptr[1,0],[1,1],[1,4],[1,5] punpckhdq_r2r(mm4, mm0); // wsptr[1,6],[1,7],[1,2],[1,3] movq_r2r(mm6, mm1); //Save tmp2 and tmp3 in wsptr paddw_r2r(mm0, mm6); // wsptr[xxx],[1,z11],[xxx],[1,z13] movq_r2r(mm2, mm4); //Continue with z10 --- z13 movq_r2m(mm5, *(wsptr+2)); // save tmp2 punpcklwd_r2r(mm6, mm2); // wsptr[xxx],[xxx],[0,z11],[1,z11] psubw_r2r(mm0, mm1); // wsptr[xxx],[1,z12],[xxx],[1,z10] punpckhwd_r2r(mm6, mm4); // wsptr[xxx],[xxx],[0,z13],[1,z13] movq_r2r(mm3, mm0); punpcklwd_r2r(mm1, mm3); // wsptr[xxx],[xxx],[0,z12],[1,z12] movq_r2m(mm7, *(wsptr+3)); // save tmp3 punpckhwd_r2r(mm1, mm0); // wsptr[xxx],[xxx],[0,z10],[1,z10] movq_m2r(*(wsptr+4), mm6); // wsptr[2,0],[2,1],[2,2],[2,3] punpckhdq_r2r(mm2, mm0); // wsptr[0,z10],[1,z10],[0,z11],[1,z11] movq_m2r(*(wsptr+5), mm7); // wsptr[2,4],[2,5],[2,6],[2,7] punpckhdq_r2r(mm4, mm3); // wsptr[0,z12],[1,z12],[0,z13],[1,z13] movq_m2r(*(wsptr+6), mm1); // wsptr[3,0],[3,1],[3,2],[3,3] movq_r2r(mm6, mm4); punpckldq_r2r(mm7, mm6); // wsptr[2,0],[2,1],[2,4],[2,5] movq_r2r(mm1, mm5); punpckhdq_r2r(mm4, mm7); // wsptr[2,6],[2,7],[2,2],[2,3] movq_r2r(mm6, mm2); movq_m2r(*(wsptr+7), mm4); // wsptr[3,4],[3,5],[3,6],[3,7] paddw_r2r(mm7, mm6); // wsptr[xxx],[2,z11],[xxx],[2,z13] psubw_r2r(mm7, mm2); // wsptr[xxx],[2,z12],[xxx],[2,z10] punpckldq_r2r(mm4, mm1); // wsptr[3,0],[3,1],[3,4],[3,5] punpckhdq_r2r(mm5, mm4); // wsptr[3,6],[3,7],[3,2],[3,3] movq_r2r(mm1, mm7); paddw_r2r(mm4, mm1); // wsptr[xxx],[3,z11],[xxx],[3,z13] psubw_r2r(mm4, mm7); // wsptr[xxx],[3,z12],[xxx],[3,z10] movq_r2r(mm6, mm5); punpcklwd_r2r(mm1, mm6); // wsptr[xxx],[xxx],[2,z11],[3,z11] punpckhwd_r2r(mm1, mm5); // wsptr[xxx],[xxx],[2,z13],[3,z13] movq_r2r(mm2, mm4); punpcklwd_r2r(mm7, mm2); // wsptr[xxx],[xxx],[2,z12],[3,z12] punpckhwd_r2r(mm7, mm4); // wsptr[xxx],[xxx],[2,z10],[3,z10] punpckhdq_r2r(mm6, mm4); /// wsptr[2,z10],[3,z10],[2,z11],[3,z11] punpckhdq_r2r(mm5, mm2); // wsptr[2,z12],[3,z12],[2,z13],[3,z13] movq_r2r(mm0, mm5); punpckldq_r2r(mm4, mm0); // wsptr[0,z10],[1,z10],[2,z10],[3,z10] punpckhdq_r2r(mm4, mm5); // wsptr[0,z11],[1,z11],[2,z11],[3,z11] movq_r2r(mm3, mm4); punpckhdq_r2r(mm2, mm4); // wsptr[0,z13],[1,z13],[2,z13],[3,z13] movq_r2r(mm5, mm1); punpckldq_r2r(mm2, mm3); // wsptr[0,z12],[1,z12],[2,z12],[3,z12] // tmp7 = z11 + z13; /* phase 5 */ // tmp8 = z11 - z13; /* phase 5 */ psubw_r2r(mm4, mm1); // tmp8 paddw_r2r(mm4, mm5); // tmp7 // tmp21 = MULTIPLY(tmp8, FIX_1_414213562); /* 2*c4 */ psllw_i2r(2, mm1); psllw_i2r(2, mm0); pmulhw_m2r(fix_141, mm1); // tmp21 // tmp20 = MULTIPLY(z12, (FIX_1_082392200- FIX_1_847759065)) /* 2*(c2-c6) */ // + MULTIPLY(z10, - FIX_1_847759065); /* 2*c2 */ psllw_i2r(2, mm3); movq_r2r(mm0, mm7); pmulhw_m2r(fix_n184, mm7); movq_r2r(mm3, mm6); movq_m2r(*(wsptr), mm2); // tmp0,final1 pmulhw_m2r(fix_108n184, mm6); // tmp22 = MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) /* -2*(c2+c6) */ // + MULTIPLY(z12, FIX_1_847759065); /* 2*c2 */ movq_r2r(mm2, mm4); // final1 pmulhw_m2r(fix_184n261, mm0); paddw_r2r(mm5, mm2); // tmp0+tmp7,final1 pmulhw_m2r(fix_184, mm3); psubw_r2r(mm5, mm4); // tmp0-tmp7,final1 // tmp6 = tmp22 - tmp7; /* phase 2 */ psraw_i2r(3, mm2); // outptr[0,0],[1,0],[2,0],[3,0],final1 paddw_r2r(mm6, mm7); // tmp20 psraw_i2r(3, mm4); // outptr[0,7],[1,7],[2,7],[3,7],final1 paddw_r2r(mm0, mm3); // tmp22 // tmp5 = tmp21 - tmp6; psubw_r2r(mm5, mm3); // tmp6 // tmp4 = tmp20 + tmp5; movq_m2r(*(wsptr+1), mm0); // tmp1,final2 psubw_r2r(mm3, mm1); // tmp5 movq_r2r(mm0, mm6); // final2 paddw_r2r(mm3, mm0); // tmp1+tmp6,final2 /* Final output stage: scale down by a factor of 8 and range-limit */ // outptr[0] = range_limit[IDESCALE(tmp0 + tmp7, PASS1_BITS+3) // & RANGE_MASK]; // outptr[7] = range_limit[IDESCALE(tmp0 - tmp7, PASS1_BITS+3) // & RANGE_MASK]; final1 // outptr[1] = range_limit[IDESCALE(tmp1 + tmp6, PASS1_BITS+3) // & RANGE_MASK]; // outptr[6] = range_limit[IDESCALE(tmp1 - tmp6, PASS1_BITS+3) // & RANGE_MASK]; final2 psubw_r2r(mm3, mm6); // tmp1-tmp6,final2 psraw_i2r(3, mm0); // outptr[0,1],[1,1],[2,1],[3,1] psraw_i2r(3, mm6); // outptr[0,6],[1,6],[2,6],[3,6] packuswb_r2r(mm4, mm0); // out[0,1],[1,1],[2,1],[3,1],[0,7],[1,7],[2,7],[3,7] movq_m2r(*(wsptr+2), mm5); // tmp2,final3 packuswb_r2r(mm6, mm2); // out[0,0],[1,0],[2,0],[3,0],[0,6],[1,6],[2,6],[3,6] // outptr[2] = range_limit[IDESCALE(tmp2 + tmp5, PASS1_BITS+3) // & RANGE_MASK]; // outptr[5] = range_limit[IDESCALE(tmp2 - tmp5, PASS1_BITS+3) // & RANGE_MASK]; final3 paddw_r2r(mm1, mm7); // tmp4 movq_r2r(mm5, mm3); paddw_r2r(mm1, mm5); // tmp2+tmp5 psubw_r2r(mm1, mm3); // tmp2-tmp5 psraw_i2r(3, mm5); // outptr[0,2],[1,2],[2,2],[3,2] movq_m2r(*(wsptr+3), mm4); // tmp3,final4 psraw_i2r(3, mm3); // outptr[0,5],[1,5],[2,5],[3,5] // outptr[4] = range_limit[IDESCALE(tmp3 + tmp4, PASS1_BITS+3) // & RANGE_MASK]; // outptr[3] = range_limit[IDESCALE(tmp3 - tmp4, PASS1_BITS+3) // & RANGE_MASK]; final4 movq_r2r(mm4, mm6); paddw_r2r(mm7, mm4); // tmp3+tmp4 psubw_r2r(mm7, mm6); // tmp3-tmp4 psraw_i2r(3, mm4); // outptr[0,4],[1,4],[2,4],[3,4] // mov ecx, [dataptr] psraw_i2r(3, mm6); // outptr[0,3],[1,3],[2,3],[3,3] packuswb_r2r(mm4, mm5); // out[0,2],[1,2],[2,2],[3,2],[0,4],[1,4],[2,4],[3,4] packuswb_r2r(mm3, mm6); // out[0,3],[1,3],[2,3],[3,3],[0,5],[1,5],[2,5],[3,5] movq_r2r(mm2, mm4); movq_r2r(mm5, mm7); punpcklbw_r2r(mm0, mm2); // out[0,0],[0,1],[1,0],[1,1],[2,0],[2,1],[3,0],[3,1] punpckhbw_r2r(mm0, mm4); // out[0,6],[0,7],[1,6],[1,7],[2,6],[2,7],[3,6],[3,7] movq_r2r(mm2, mm1); punpcklbw_r2r(mm6, mm5); // out[0,2],[0,3],[1,2],[1,3],[2,2],[2,3],[3,2],[3,3] // add dataptr, 4 punpckhbw_r2r(mm6, mm7); // out[0,4],[0,5],[1,4],[1,5],[2,4],[2,5],[3,4],[3,5] punpcklwd_r2r(mm5, mm2); // out[0,0],[0,1],[0,2],[0,3],[1,0],[1,1],[1,2],[1,3] // add ecx, output_col movq_r2r(mm7, mm6); punpckhwd_r2r(mm5, mm1); // out[2,0],[2,1],[2,2],[2,3],[3,0],[3,1],[3,2],[3,3] movq_r2r(mm2, mm0); punpcklwd_r2r(mm4, mm6); // out[0,4],[0,5],[0,6],[0,7],[1,4],[1,5],[1,6],[1,7] // mov idata, [dataptr] punpckldq_r2r(mm6, mm2); // out[0,0],[0,1],[0,2],[0,3],[0,4],[0,5],[0,6],[0,7] // add dataptr, 4 movq_r2r(mm1, mm3); // add idata, output_col punpckhwd_r2r(mm4, mm7); // out[2,4],[2,5],[2,6],[2,7],[3,4],[3,5],[3,6],[3,7] movq_r2m(mm2, *(dataptr)); punpckhdq_r2r(mm6, mm0); // out[1,0],[1,1],[1,2],[1,3],[1,4],[1,5],[1,6],[1,7] dataptr += rskip; movq_r2m(mm0, *(dataptr)); punpckldq_r2r(mm7, mm1); // out[2,0],[2,1],[2,2],[2,3],[2,4],[2,5],[2,6],[2,7] punpckhdq_r2r(mm7, mm3); // out[3,0],[3,1],[3,2],[3,3],[3,4],[3,5],[3,6],[3,7] dataptr += rskip; movq_r2m(mm1, *(dataptr)); dataptr += rskip; movq_r2m(mm3, *(dataptr)); /*******************************************************************/ wsptr += 8; /*******************************************************************/ // tmp10 = ((DCTELEM) wsptr[0] + (DCTELEM) wsptr[4]); // tmp13 = ((DCTELEM) wsptr[2] + (DCTELEM) wsptr[6]); // tmp11 = ((DCTELEM) wsptr[0] - (DCTELEM) wsptr[4]); // tmp14 = ((DCTELEM) wsptr[2] - (DCTELEM) wsptr[6]); movq_m2r(*(wsptr), mm0); // wsptr[0,0],[0,1],[0,2],[0,3] movq_m2r(*(wsptr+1), mm1); // wsptr[0,4],[0,5],[0,6],[0,7] movq_r2r(mm0, mm2); movq_m2r(*(wsptr+2), mm3); // wsptr[1,0],[1,1],[1,2],[1,3] paddw_r2r(mm1, mm0); // wsptr[0,tmp10],[xxx],[0,tmp13],[xxx] movq_m2r(*(wsptr+3), mm4); // wsptr[1,4],[1,5],[1,6],[1,7] psubw_r2r(mm1, mm2); // wsptr[0,tmp11],[xxx],[0,tmp14],[xxx] movq_r2r(mm0, mm6); movq_r2r(mm3, mm5); paddw_r2r(mm4, mm3); // wsptr[1,tmp10],[xxx],[1,tmp13],[xxx] movq_r2r(mm2, mm1); psubw_r2r(mm4, mm5); // wsptr[1,tmp11],[xxx],[1,tmp14],[xxx] punpcklwd_r2r(mm3, mm0); // wsptr[0,tmp10],[1,tmp10],[xxx],[xxx] movq_m2r(*(wsptr+7), mm7); // wsptr[3,4],[3,5],[3,6],[3,7] punpckhwd_r2r(mm3, mm6); // wsptr[0,tmp13],[1,tmp13],[xxx],[xxx] movq_m2r(*(wsptr+4), mm3); // wsptr[2,0],[2,1],[2,2],[2,3] punpckldq_r2r(mm6, mm0); // wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13] punpcklwd_r2r(mm5, mm1); // wsptr[0,tmp11],[1,tmp11],[xxx],[xxx] movq_r2r(mm3, mm4); movq_m2r(*(wsptr+6), mm6); // wsptr[3,0],[3,1],[3,2],[3,3] punpckhwd_r2r(mm5, mm2); // wsptr[0,tmp14],[1,tmp14],[xxx],[xxx] movq_m2r(*(wsptr+5), mm5); // wsptr[2,4],[2,5],[2,6],[2,7] punpckldq_r2r(mm2, mm1); // wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14] paddw_r2r(mm5, mm3); // wsptr[2,tmp10],[xxx],[2,tmp13],[xxx] movq_r2r(mm6, mm2); psubw_r2r(mm5, mm4); // wsptr[2,tmp11],[xxx],[2,tmp14],[xxx] paddw_r2r(mm7, mm6); // wsptr[3,tmp10],[xxx],[3,tmp13],[xxx] movq_r2r(mm3, mm5); punpcklwd_r2r(mm6, mm3); // wsptr[2,tmp10],[3,tmp10],[xxx],[xxx] psubw_r2r(mm7, mm2); // wsptr[3,tmp11],[xxx],[3,tmp14],[xxx] punpckhwd_r2r(mm6, mm5); // wsptr[2,tmp13],[3,tmp13],[xxx],[xxx] movq_r2r(mm4, mm7); punpckldq_r2r(mm5, mm3); // wsptr[2,tmp10],[3,tmp10],[2,tmp13],[3,tmp13] punpcklwd_r2r(mm2, mm4); // wsptr[2,tmp11],[3,tmp11],[xxx],[xxx] punpckhwd_r2r(mm2, mm7); // wsptr[2,tmp14],[3,tmp14],[xxx],[xxx] punpckldq_r2r(mm7, mm4); // wsptr[2,tmp11],[3,tmp11],[2,tmp14],[3,tmp14] movq_r2r(mm1, mm6); //OK // mm0 = ;wsptr[0,tmp10],[1,tmp10],[0,tmp13],[1,tmp13] // mm1 = ;wsptr[0,tmp11],[1,tmp11],[0,tmp14],[1,tmp14] movq_r2r(mm0, mm2); punpckhdq_r2r(mm4, mm6); // wsptr[0,tmp14],[1,tmp14],[2,tmp14],[3,tmp14] punpckldq_r2r(mm4, mm1); // wsptr[0,tmp11],[1,tmp11],[2,tmp11],[3,tmp11] psllw_i2r(2, mm6); pmulhw_m2r(fix_141, mm6); punpckldq_r2r(mm3, mm0); // wsptr[0,tmp10],[1,tmp10],[2,tmp10],[3,tmp10] punpckhdq_r2r(mm3, mm2); // wsptr[0,tmp13],[1,tmp13],[2,tmp13],[3,tmp13] movq_r2r(mm0, mm7); // tmp0 = tmp10 + tmp13; // tmp3 = tmp10 - tmp13; paddw_r2r(mm2, mm0); // [0,tmp0],[1,tmp0],[2,tmp0],[3,tmp0] psubw_r2r(mm2, mm7); // [0,tmp3],[1,tmp3],[2,tmp3],[3,tmp3] // tmp12 = MULTIPLY(tmp14, FIX_1_414213562) - tmp13; psubw_r2r(mm2, mm6); // wsptr[0,tmp12],[1,tmp12],[2,tmp12],[3,tmp12] // tmp1 = tmp11 + tmp12; // tmp2 = tmp11 - tmp12; movq_r2r(mm1, mm5); //OK /* Odd part */ // z13 = (DCTELEM) wsptr[5] + (DCTELEM) wsptr[3]; // z10 = (DCTELEM) wsptr[5] - (DCTELEM) wsptr[3]; // z11 = (DCTELEM) wsptr[1] + (DCTELEM) wsptr[7]; // z12 = (DCTELEM) wsptr[1] - (DCTELEM) wsptr[7]; movq_m2r(*(wsptr), mm3); // wsptr[0,0],[0,1],[0,2],[0,3] paddw_r2r(mm6, mm1); // [0,tmp1],[1,tmp1],[2,tmp1],[3,tmp1] movq_m2r(*(wsptr+1), mm4); // wsptr[0,4],[0,5],[0,6],[0,7] psubw_r2r(mm6, mm5); // [0,tmp2],[1,tmp2],[2,tmp2],[3,tmp2] movq_r2r(mm3, mm6); punpckldq_r2r(mm4, mm3); // wsptr[0,0],[0,1],[0,4],[0,5] punpckhdq_r2r(mm6, mm4); // wsptr[0,6],[0,7],[0,2],[0,3] movq_r2r(mm3, mm2); //Save tmp0 and tmp1 in wsptr movq_r2m(mm0, *(wsptr)); // save tmp0 paddw_r2r(mm4, mm2); // wsptr[xxx],[0,z11],[xxx],[0,z13] //Continue with z10 --- z13 movq_m2r(*(wsptr+2), mm6); // wsptr[1,0],[1,1],[1,2],[1,3] psubw_r2r(mm4, mm3); // wsptr[xxx],[0,z12],[xxx],[0,z10] movq_m2r(*(wsptr+3), mm0); // wsptr[1,4],[1,5],[1,6],[1,7] movq_r2r(mm6, mm4); movq_r2m(mm1, *(wsptr+1)); // save tmp1 punpckldq_r2r(mm0, mm6); // wsptr[1,0],[1,1],[1,4],[1,5] punpckhdq_r2r(mm4, mm0); // wsptr[1,6],[1,7],[1,2],[1,3] movq_r2r(mm6, mm1); //Save tmp2 and tmp3 in wsptr paddw_r2r(mm0, mm6); // wsptr[xxx],[1,z11],[xxx],[1,z13] movq_r2r(mm2, mm4); //Continue with z10 --- z13 movq_r2m(mm5, *(wsptr+2)); // save tmp2 punpcklwd_r2r(mm6, mm2); // wsptr[xxx],[xxx],[0,z11],[1,z11] psubw_r2r(mm0, mm1); // wsptr[xxx],[1,z12],[xxx],[1,z10] punpckhwd_r2r(mm6, mm4); // wsptr[xxx],[xxx],[0,z13],[1,z13] movq_r2r(mm3, mm0); punpcklwd_r2r(mm1, mm3); // wsptr[xxx],[xxx],[0,z12],[1,z12] movq_r2m(mm7, *(wsptr+3)); // save tmp3 punpckhwd_r2r(mm1, mm0); // wsptr[xxx],[xxx],[0,z10],[1,z10] movq_m2r(*(wsptr+4), mm6); // wsptr[2,0],[2,1],[2,2],[2,3] punpckhdq_r2r(mm2, mm0); // wsptr[0,z10],[1,z10],[0,z11],[1,z11] movq_m2r(*(wsptr+5), mm7); // wsptr[2,4],[2,5],[2,6],[2,7] punpckhdq_r2r(mm4, mm3); // wsptr[0,z12],[1,z12],[0,z13],[1,z13] movq_m2r(*(wsptr+6), mm1); // wsptr[3,0],[3,1],[3,2],[3,3] movq_r2r(mm6, mm4); punpckldq_r2r(mm7, mm6); // wsptr[2,0],[2,1],[2,4],[2,5] movq_r2r(mm1, mm5); punpckhdq_r2r(mm4, mm7); // wsptr[2,6],[2,7],[2,2],[2,3] movq_r2r(mm6, mm2); movq_m2r(*(wsptr+7), mm4); // wsptr[3,4],[3,5],[3,6],[3,7] paddw_r2r(mm7, mm6); // wsptr[xxx],[2,z11],[xxx],[2,z13] psubw_r2r(mm7, mm2); // wsptr[xxx],[2,z12],[xxx],[2,z10] punpckldq_r2r(mm4, mm1); // wsptr[3,0],[3,1],[3,4],[3,5] punpckhdq_r2r(mm5, mm4); // wsptr[3,6],[3,7],[3,2],[3,3] movq_r2r(mm1, mm7); paddw_r2r(mm4, mm1); // wsptr[xxx],[3,z11],[xxx],[3,z13] psubw_r2r(mm4, mm7); // wsptr[xxx],[3,z12],[xxx],[3,z10] movq_r2r(mm6, mm5); punpcklwd_r2r(mm1, mm6); // wsptr[xxx],[xxx],[2,z11],[3,z11] punpckhwd_r2r(mm1, mm5); // wsptr[xxx],[xxx],[2,z13],[3,z13] movq_r2r(mm2, mm4); punpcklwd_r2r(mm7, mm2); // wsptr[xxx],[xxx],[2,z12],[3,z12] punpckhwd_r2r(mm7, mm4); // wsptr[xxx],[xxx],[2,z10],[3,z10] punpckhdq_r2r(mm6, mm4); // wsptr[2,z10],[3,z10],[2,z11],[3,z11] punpckhdq_r2r(mm5, mm2); // wsptr[2,z12],[3,z12],[2,z13],[3,z13] movq_r2r(mm0, mm5); punpckldq_r2r(mm4, mm0); // wsptr[0,z10],[1,z10],[2,z10],[3,z10] punpckhdq_r2r(mm4, mm5); // wsptr[0,z11],[1,z11],[2,z11],[3,z11] movq_r2r(mm3, mm4); punpckhdq_r2r(mm2, mm4); // wsptr[0,z13],[1,z13],[2,z13],[3,z13] movq_r2r(mm5, mm1); punpckldq_r2r(mm2, mm3); // wsptr[0,z12],[1,z12],[2,z12],[3,z12] // tmp7 = z11 + z13; /* phase 5 */ // tmp8 = z11 - z13; /* phase 5 */ psubw_r2r(mm4, mm1); // tmp8 paddw_r2r(mm4, mm5); // tmp7 // tmp21 = MULTIPLY(tmp8, FIX_1_414213562); /* 2*c4 */ psllw_i2r(2, mm1); psllw_i2r(2, mm0); pmulhw_m2r(fix_141, mm1); // tmp21 // tmp20 = MULTIPLY(z12, (FIX_1_082392200- FIX_1_847759065)) /* 2*(c2-c6) */ // + MULTIPLY(z10, - FIX_1_847759065); /* 2*c2 */ psllw_i2r(2, mm3); movq_r2r(mm0, mm7); pmulhw_m2r(fix_n184, mm7); movq_r2r(mm3, mm6); movq_m2r(*(wsptr), mm2); // tmp0,final1 pmulhw_m2r(fix_108n184, mm6); // tmp22 = MULTIPLY(z10,(FIX_1_847759065 - FIX_2_613125930)) /* -2*(c2+c6) */ // + MULTIPLY(z12, FIX_1_847759065); /* 2*c2 */ movq_r2r(mm2, mm4); // final1 pmulhw_m2r(fix_184n261, mm0); paddw_r2r(mm5, mm2); // tmp0+tmp7,final1 pmulhw_m2r(fix_184, mm3); psubw_r2r(mm5, mm4); // tmp0-tmp7,final1 // tmp6 = tmp22 - tmp7; /* phase 2 */ psraw_i2r(3, mm2); // outptr[0,0],[1,0],[2,0],[3,0],final1 paddw_r2r(mm6, mm7); // tmp20 psraw_i2r(3, mm4); // outptr[0,7],[1,7],[2,7],[3,7],final1 paddw_r2r(mm0, mm3); // tmp22 // tmp5 = tmp21 - tmp6; psubw_r2r(mm5, mm3); // tmp6 // tmp4 = tmp20 + tmp5; movq_m2r(*(wsptr+1), mm0); // tmp1,final2 psubw_r2r(mm3, mm1); // tmp5 movq_r2r(mm0, mm6); // final2 paddw_r2r(mm3, mm0); // tmp1+tmp6,final2 /* Final output stage: scale down by a factor of 8 and range-limit */ // outptr[0] = range_limit[IDESCALE(tmp0 + tmp7, PASS1_BITS+3) // & RANGE_MASK]; // outptr[7] = range_limit[IDESCALE(tmp0 - tmp7, PASS1_BITS+3) // & RANGE_MASK]; final1 // outptr[1] = range_limit[IDESCALE(tmp1 + tmp6, PASS1_BITS+3) // & RANGE_MASK]; // outptr[6] = range_limit[IDESCALE(tmp1 - tmp6, PASS1_BITS+3) // & RANGE_MASK]; final2 psubw_r2r(mm3, mm6); // tmp1-tmp6,final2 psraw_i2r(3, mm0); // outptr[0,1],[1,1],[2,1],[3,1] psraw_i2r(3, mm6); // outptr[0,6],[1,6],[2,6],[3,6] packuswb_r2r(mm4, mm0); // out[0,1],[1,1],[2,1],[3,1],[0,7],[1,7],[2,7],[3,7] movq_m2r(*(wsptr+2), mm5); // tmp2,final3 packuswb_r2r(mm6, mm2); // out[0,0],[1,0],[2,0],[3,0],[0,6],[1,6],[2,6],[3,6] // outptr[2] = range_limit[IDESCALE(tmp2 + tmp5, PASS1_BITS+3) // & RANGE_MASK]; // outptr[5] = range_limit[IDESCALE(tmp2 - tmp5, PASS1_BITS+3) // & RANGE_MASK]; final3 paddw_r2r(mm1, mm7); // tmp4 movq_r2r(mm5, mm3); paddw_r2r(mm1, mm5); // tmp2+tmp5 psubw_r2r(mm1, mm3); // tmp2-tmp5 psraw_i2r(3, mm5); // outptr[0,2],[1,2],[2,2],[3,2] movq_m2r(*(wsptr+3), mm4); // tmp3,final4 psraw_i2r(3, mm3); // outptr[0,5],[1,5],[2,5],[3,5] // outptr[4] = range_limit[IDESCALE(tmp3 + tmp4, PASS1_BITS+3) // & RANGE_MASK]; // outptr[3] = range_limit[IDESCALE(tmp3 - tmp4, PASS1_BITS+3) // & RANGE_MASK]; final4 movq_r2r(mm4, mm6); paddw_r2r(mm7, mm4); // tmp3+tmp4 psubw_r2r(mm7, mm6); // tmp3-tmp4 psraw_i2r(3, mm4); // outptr[0,4],[1,4],[2,4],[3,4] psraw_i2r(3, mm6); // outptr[0,3],[1,3],[2,3],[3,3] /* movq_r2m(mm4, *dummy); fprintf(stderr, "3-4 %016llx\n", dummy); movq_r2m(mm4, *dummy); fprintf(stderr, "3+4 %016llx\n", dummy); */ packuswb_r2r(mm4, mm5); // out[0,2],[1,2],[2,2],[3,2],[0,4],[1,4],[2,4],[3,4] packuswb_r2r(mm3, mm6); // out[0,3],[1,3],[2,3],[3,3],[0,5],[1,5],[2,5],[3,5] movq_r2r(mm2, mm4); movq_r2r(mm5, mm7); punpcklbw_r2r(mm0, mm2); // out[0,0],[0,1],[1,0],[1,1],[2,0],[2,1],[3,0],[3,1] punpckhbw_r2r(mm0, mm4); // out[0,6],[0,7],[1,6],[1,7],[2,6],[2,7],[3,6],[3,7] movq_r2r(mm2, mm1); punpcklbw_r2r(mm6, mm5); // out[0,2],[0,3],[1,2],[1,3],[2,2],[2,3],[3,2],[3,3] punpckhbw_r2r(mm6, mm7); // out[0,4],[0,5],[1,4],[1,5],[2,4],[2,5],[3,4],[3,5] punpcklwd_r2r(mm5, mm2); // out[0,0],[0,1],[0,2],[0,3],[1,0],[1,1],[1,2],[1,3] movq_r2r(mm7, mm6); punpckhwd_r2r(mm5, mm1); // out[2,0],[2,1],[2,2],[2,3],[3,0],[3,1],[3,2],[3,3] movq_r2r(mm2, mm0); punpcklwd_r2r(mm4, mm6); // out[0,4],[0,5],[0,6],[0,7],[1,4],[1,5],[1,6],[1,7] punpckldq_r2r(mm6, mm2); // out[0,0],[0,1],[0,2],[0,3],[0,4],[0,5],[0,6],[0,7] movq_r2r(mm1, mm3); punpckhwd_r2r(mm4, mm7); // out[2,4],[2,5],[2,6],[2,7],[3,4],[3,5],[3,6],[3,7] dataptr += rskip; movq_r2m(mm2, *(dataptr)); punpckhdq_r2r(mm6, mm0); // out[1,0],[1,1],[1,2],[1,3],[1,4],[1,5],[1,6],[1,7] dataptr += rskip; movq_r2m(mm0, *(dataptr)); punpckldq_r2r(mm7, mm1); // out[2,0],[2,1],[2,2],[2,3],[2,4],[2,5],[2,6],[2,7] punpckhdq_r2r(mm7, mm3); // out[3,0],[3,1],[3,2],[3,3],[3,4],[3,5],[3,6],[3,7] dataptr += rskip; movq_r2m(mm1, *(dataptr)); dataptr += rskip; movq_r2m(mm3, *(dataptr)); #else __s32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; __s32 tmp10, tmp11, tmp12, tmp13; __s32 z5, z10, z11, z12, z13; __s16 *inptr; __s32 *wsptr; __u8 *outptr; int ctr; __s32 dcval; __s32 workspace[64]; inptr = data; wsptr = workspace; for (ctr = 8; ctr > 0; ctr--) { if ((inptr[8] | inptr[16] | inptr[24] | inptr[32] | inptr[40] | inptr[48] | inptr[56]) == 0) { dcval = inptr[0]; wsptr[0] = dcval; wsptr[8] = dcval; wsptr[16] = dcval; wsptr[24] = dcval; wsptr[32] = dcval; wsptr[40] = dcval; wsptr[48] = dcval; wsptr[56] = dcval; inptr++; wsptr++; continue; } tmp0 = inptr[0]; tmp1 = inptr[16]; tmp2 = inptr[32]; tmp3 = inptr[48]; tmp10 = tmp0 + tmp2; tmp11 = tmp0 - tmp2; tmp13 = tmp1 + tmp3; tmp12 = MULTIPLY(tmp1 - tmp3, FIX_1_414213562) - tmp13; tmp0 = tmp10 + tmp13; tmp3 = tmp10 - tmp13; tmp1 = tmp11 + tmp12; tmp2 = tmp11 - tmp12; tmp4 = inptr[8]; tmp5 = inptr[24]; tmp6 = inptr[40]; tmp7 = inptr[56]; z13 = tmp6 + tmp5; z10 = tmp6 - tmp5; z11 = tmp4 + tmp7; z12 = tmp4 - tmp7; tmp7 = z11 + z13; tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); z5 = MULTIPLY(z10 + z12, FIX_1_847759065); tmp10 = MULTIPLY(z12, FIX_1_082392200) - z5; tmp12 = MULTIPLY(z10, - FIX_2_613125930) + z5; tmp6 = tmp12 - tmp7; tmp5 = tmp11 - tmp6; tmp4 = tmp10 + tmp5; wsptr[0] = (__s32) (tmp0 + tmp7); wsptr[56] = (__s32) (tmp0 - tmp7); wsptr[8] = (__s32) (tmp1 + tmp6); wsptr[48] = (__s32) (tmp1 - tmp6); wsptr[16] = (__s32) (tmp2 + tmp5); wsptr[40] = (__s32) (tmp2 - tmp5); wsptr[32] = (__s32) (tmp3 + tmp4); wsptr[24] = (__s32) (tmp3 - tmp4); inptr++; wsptr++; } wsptr = workspace; for (ctr = 0; ctr < 8; ctr++) { outptr = &(odata[ctr*rskip]); tmp10 = wsptr[0] + wsptr[4]; tmp11 = wsptr[0] - wsptr[4]; tmp13 = wsptr[2] + wsptr[6]; tmp12 = MULTIPLY(wsptr[2] - wsptr[6], FIX_1_414213562) - tmp13; tmp0 = tmp10 + tmp13; tmp3 = tmp10 - tmp13; tmp1 = tmp11 + tmp12; tmp2 = tmp11 - tmp12; z13 = wsptr[5] + wsptr[3]; z10 = wsptr[5] - wsptr[3]; z11 = wsptr[1] + wsptr[7]; z12 = wsptr[1] - wsptr[7]; tmp7 = z11 + z13; tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); z5 = MULTIPLY(z10 + z12, FIX_1_847759065); tmp10 = MULTIPLY(z12, FIX_1_082392200) - z5; tmp12 = MULTIPLY(z10, - FIX_2_613125930) + z5; tmp6 = tmp12 - tmp7; tmp5 = tmp11 - tmp6; tmp4 = tmp10 + tmp5; outptr[0] = RL(DESCALE(tmp0 + tmp7)); outptr[7] = RL(DESCALE(tmp0 - tmp7)); outptr[1] = RL(DESCALE(tmp1 + tmp6)); outptr[6] = RL(DESCALE(tmp1 - tmp6)); outptr[2] = RL(DESCALE(tmp2 + tmp5)); outptr[5] = RL(DESCALE(tmp2 - tmp5)); outptr[4] = RL(DESCALE(tmp3 + tmp4)); outptr[3] = RL(DESCALE(tmp3 - tmp4)); wsptr += 8; } #endif } /* Main Routines This file contains most of the initialisation and control functions (C) Justin Schoeman 1998 */ /* Private function Initialise all the cache-aliged data blocks */ void RTjpeg_init_data(void) { unsigned long dptr; dptr=(unsigned long)&(RTjpeg_alldata[0]); dptr+=32; dptr=dptr>>5; dptr=dptr<<5; /* cache align data */ RTjpeg_block=(__s16 *)dptr; dptr+=sizeof(__s16)*64; RTjpeg_lqt=(__s32 *)dptr; dptr+=sizeof(__s32)*64; RTjpeg_cqt=(__s32 *)dptr; dptr+=sizeof(__s32)*64; RTjpeg_liqt=(__u32 *)dptr; dptr+=sizeof(__u32)*64; RTjpeg_ciqt=(__u32 *)dptr; } /* External Function Re-set quality factor Input: buf -> pointer to 128 ints for quant values store to pass back to init_decompress. Q -> quality factor (192=best, 32=worst) */ void RTjpeg_init_Q(__u8 Q) { int i; __u64 qual; qual=(__u64)Q<<(32-7); /* 32 bit FP, 255=2, 0=0 */ for(i=0; i<64; i++) { RTjpeg_lqt[i]=(__s32)((qual/((__u64)RTjpeg_lum_quant_tbl[i]<<16))>>3); if(RTjpeg_lqt[i]==0)RTjpeg_lqt[i]=1; RTjpeg_cqt[i]=(__s32)((qual/((__u64)RTjpeg_chrom_quant_tbl[i]<<16))>>3); if(RTjpeg_cqt[i]==0)RTjpeg_cqt[i]=1; RTjpeg_liqt[i]=(1<<16)/(RTjpeg_lqt[i]<<3); RTjpeg_ciqt[i]=(1<<16)/(RTjpeg_cqt[i]<<3); RTjpeg_lqt[i]=((1<<16)/RTjpeg_liqt[i])>>3; RTjpeg_cqt[i]=((1<<16)/RTjpeg_ciqt[i])>>3; } RTjpeg_lb8=0; while(RTjpeg_liqt[RTjpeg_ZZ[++RTjpeg_lb8]]<=8); RTjpeg_lb8--; RTjpeg_cb8=0; while(RTjpeg_ciqt[RTjpeg_ZZ[++RTjpeg_cb8]]<=8); RTjpeg_cb8--; RTjpeg_dct_init(); RTjpeg_idct_init(); RTjpeg_quant_init(); } /* External Function Initialise compression. Input: buf -> pointer to 128 ints for quant values store to pass back to init_decompress. width -> width of image height -> height of image Q -> quality factor (192=best, 32=worst) */ void RTjpeg_init_compress(__u32 *buf, int width, int height, __u8 Q) { int i; __u64 qual; RTjpeg_init_data(); RTjpeg_width=width; RTjpeg_height=height; RTjpeg_Ywidth = RTjpeg_width>>3; RTjpeg_Ysize=width * height; RTjpeg_Cwidth = RTjpeg_width>>4; RTjpeg_Csize= (width>>1) * height; qual=(__u64)Q<<(32-7); /* 32 bit FP, 255=2, 0=0 */ for(i=0; i<64; i++) { RTjpeg_lqt[i]=(__s32)((qual/((__u64)RTjpeg_lum_quant_tbl[i]<<16))>>3); if(RTjpeg_lqt[i]==0)RTjpeg_lqt[i]=1; RTjpeg_cqt[i]=(__s32)((qual/((__u64)RTjpeg_chrom_quant_tbl[i]<<16))>>3); if(RTjpeg_cqt[i]==0)RTjpeg_cqt[i]=1; RTjpeg_liqt[i]=(1<<16)/(RTjpeg_lqt[i]<<3); RTjpeg_ciqt[i]=(1<<16)/(RTjpeg_cqt[i]<<3); RTjpeg_lqt[i]=((1<<16)/RTjpeg_liqt[i])>>3; RTjpeg_cqt[i]=((1<<16)/RTjpeg_ciqt[i])>>3; } RTjpeg_lb8=0; while(RTjpeg_liqt[RTjpeg_ZZ[++RTjpeg_lb8]]<=8); RTjpeg_lb8--; RTjpeg_cb8=0; while(RTjpeg_ciqt[RTjpeg_ZZ[++RTjpeg_cb8]]<=8); RTjpeg_cb8--; RTjpeg_dct_init(); RTjpeg_quant_init(); for(i=0; i<64; i++) buf[i]=RTjpeg_liqt[i]; for(i=0; i<64; i++) buf[64+i]=RTjpeg_ciqt[i]; } void RTjpeg_init_decompress(__u32 *buf, int width, int height) { int i; RTjpeg_init_data(); RTjpeg_width=width; RTjpeg_height=height; RTjpeg_Ywidth = RTjpeg_width>>3; RTjpeg_Ysize=width * height; RTjpeg_Cwidth = RTjpeg_width>>4; RTjpeg_Csize= (width>>1) * height; for(i=0; i<64; i++) { RTjpeg_liqt[i]=buf[i]; RTjpeg_ciqt[i]=buf[i+64]; } RTjpeg_lb8=0; while(RTjpeg_liqt[RTjpeg_ZZ[++RTjpeg_lb8]]<=8); RTjpeg_lb8--; RTjpeg_cb8=0; while(RTjpeg_ciqt[RTjpeg_ZZ[++RTjpeg_cb8]]<=8); RTjpeg_cb8--; RTjpeg_idct_init(); // RTjpeg_color_init(); } int RTjpeg_compressYUV420(__s8 *sp, unsigned char *bp) { __s8 * sb; register __s8 * bp1 = bp + (RTjpeg_width<<3); register __s8 * bp2 = bp + RTjpeg_Ysize; register __s8 * bp3 = bp2 + (RTjpeg_Csize>>1); register int i, j, k; #ifdef MMX emms(); #endif sb=sp; /* Y */ for(i=RTjpeg_height>>1; i; i-=8) { for(j=0, k=0; j>1); } if(*sp==-1)sp++; else { sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt); RTjpeg_idct(bp3+k, RTjpeg_block, RTjpeg_width>>1); } } bp+=RTjpeg_width<<3; bp2+=RTjpeg_width<<2; bp3+=RTjpeg_width<<2; } #ifdef MMX emms(); #endif } void RTjpeg_decompressYUV420(__s8 *sp, __u8 *bp) { register __s8 * bp1 = bp + (RTjpeg_width<<3); register __s8 * bp2 = bp + RTjpeg_Ysize; register __s8 * bp3 = bp2 + (RTjpeg_Csize>>1); int i, j,k; #ifdef MMX emms(); #endif /* Y */ for(i=RTjpeg_height>>1; i; i-=8) { for(k=0, j=0; j>1); } if(*sp==-1)sp++; else { sp+=RTjpeg_s2b(RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt); RTjpeg_idct(bp3+k, RTjpeg_block, RTjpeg_width>>1); } } bp+=RTjpeg_width<<4; bp1+=RTjpeg_width<<4; bp2+=RTjpeg_width<<2; bp3+=RTjpeg_width<<2; } #ifdef MMX emms(); #endif } void RTjpeg_decompress8(__s8 *sp, __u8 *bp) { int i, j; #ifdef MMX emms(); #endif /* Y */ for(i=0; i>5; RTjpeg_old=(__s16 *)(tmp<<5); } if (!RTjpeg_old) { fprintf(stderr, "RTjpeg: Could not allocate memory\n"); exit(-1); } bzero(RTjpeg_old, ((4*RTjpeg_width*RTjpeg_height))); } #ifdef MMX int RTjpeg_bcomp(__s16 *old, mmx_t *mask) { int i; mmx_t *mold=(mmx_t *)old; mmx_t *mblock=(mmx_t *)RTjpeg_block; volatile mmx_t result; static mmx_t neg=(mmx_t)(unsigned long long)0xffffffffffffffffULL; movq_m2r(*mask, mm7); movq_m2r(neg, mm6); pxor_r2r(mm5, mm5); for(i=0; i<8; i++) { movq_m2r(*(mblock++), mm0); movq_m2r(*(mblock++), mm2); movq_m2r(*(mold++), mm1); movq_m2r(*(mold++), mm3); psubsw_r2r(mm1, mm0); psubsw_r2r(mm3, mm2); movq_r2r(mm0, mm1); movq_r2r(mm2, mm3); pcmpgtw_r2r(mm7, mm0); pcmpgtw_r2r(mm7, mm2); pxor_r2r(mm6, mm1); pxor_r2r(mm6, mm3); pcmpgtw_r2r(mm7, mm1); pcmpgtw_r2r(mm7, mm3); por_r2r(mm0, mm5); por_r2r(mm2, mm5); por_r2r(mm1, mm5); por_r2r(mm3, mm5); } movq_r2m(mm5, result); if(result.q) { // if(!RTjpeg_mtest) // for(i=0; i<16; i++)((__u64 *)old)[i]=((__u64 *)RTjpeg_block)[i]; return 0; } // printf("."); return 1; } #else int RTjpeg_bcomp(__s16 *old, __u16 *mask) { int i; for(i=0; i<64; i++) if(abs(old[i]-RTjpeg_block[i])>*mask) { if(!RTjpeg_mtest) for(i=0; i<16; i++)((__u64 *)old)[i]=((__u64 *)RTjpeg_block)[i]; return 0; } return 1; } #endif void RTjpeg_set_test(int i) { RTjpeg_mtest=i; } int RTjpeg_mcompressYUV420(__s8 *sp, unsigned char *bp, __u16 lmask, __u16 cmask) { __s8 * sb; //rh __s16 *block; register __s8 * bp1 = bp + (RTjpeg_width<<3); register __s8 * bp2 = bp + RTjpeg_Ysize; register __s8 * bp3 = bp2 + (RTjpeg_Csize>>1); register int i, j, k; #ifdef MMX emms(); RTjpeg_lmask=(mmx_t)(((__u64)lmask<<48)|((__u64)lmask<<32)|((__u64)lmask<<16)|lmask); RTjpeg_cmask=(mmx_t)(((__u64)cmask<<48)|((__u64)cmask<<32)|((__u64)cmask<<16)|cmask); #else RTjpeg_lmask=lmask; RTjpeg_cmask=cmask; #endif sb=sp; block=RTjpeg_old; /* Y */ for(i=RTjpeg_height>>1; i; i-=8) { for(j=0, k=0; j>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+cbB)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); y=(bufy[j+1]-16)*Ky; tmp=(y+crR)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+cbB)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); } bufy+=yskip; } } void RTjpeg_yuv420rgb(__u8 *buf, __u8 *rgb, int stride) { int tmp; int i, j; __s32 y, crR, crG, cbG, cbB; __u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto; int oskip, yskip; if(stride==0) oskip=RTjpeg_width*3; else oskip=2*stride-RTjpeg_width*3; yskip=RTjpeg_width; bufcb=&buf[RTjpeg_width*RTjpeg_height]; bufcr=&buf[RTjpeg_width*RTjpeg_height+(RTjpeg_width*RTjpeg_height)/4]; bufy=&buf[0]; bufoute=rgb; bufouto=rgb+RTjpeg_width*3; for(i=0; i<(RTjpeg_height>>1); i++) { for(j=0; j>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+cbB)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); y=(bufy[j+1]-16)*Ky; tmp=(y+crR)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+cbB)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); y=(bufy[j+yskip]-16)*Ky; tmp=(y+crR)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+cbB)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); y=(bufy[j+1+yskip]-16)*Ky; tmp=(y+crR)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+cbB)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); } bufoute+=oskip; bufouto+=oskip; bufy+=yskip<<1; } } void RTjpeg_yuvrgb32(__u8 *buf, __u8 *rgb, int stride) { int tmp; int i, j; __s32 y, crR, crG, cbG, cbB; __u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto; int oskip, yskip; if(stride==0) oskip=RTjpeg_width*4; else oskip = 2*stride-RTjpeg_width*4; yskip=RTjpeg_width; bufcb=&buf[RTjpeg_width*RTjpeg_height]; bufcr=&buf[RTjpeg_width*RTjpeg_height+(RTjpeg_width*RTjpeg_height)/2]; bufy=&buf[0]; bufoute=rgb; bufouto=rgb+RTjpeg_width*4; for(i=0; i<(RTjpeg_height>>1); i++) { for(j=0; j>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); bufoute++; y=(bufy[j+1]-16)*Ky; tmp=(y+cbB)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); bufoute++; y=(bufy[j+yskip]-16)*Ky; tmp=(y+cbB)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); bufouto++; y=(bufy[j+1+yskip]-16)*Ky; tmp=(y+cbB)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); bufouto++; } bufoute+=oskip; bufouto+=oskip; bufy+=yskip<<1; } } void RTjpeg_yuvrgb24(__u8 *buf, __u8 *rgb, int stride) { int tmp; int i, j; __s32 y, crR, crG, cbG, cbB; __u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto; int oskip, yskip; if(stride==0) oskip=RTjpeg_width*3; else oskip=2*stride - RTjpeg_width*3; yskip=RTjpeg_width; bufcb=&buf[RTjpeg_width*RTjpeg_height]; bufcr=&buf[RTjpeg_width*RTjpeg_height+(RTjpeg_width*RTjpeg_height)/4]; bufy=&buf[0]; bufoute=rgb; bufouto=rgb+RTjpeg_width*3; for(i=0; i<(RTjpeg_height>>1); i++) { for(j=0; j>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); y=(bufy[j+1]-16)*Ky; tmp=(y+cbB)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; *(bufoute++)=(tmp>255)?255:((tmp<0)?0:tmp); y=(bufy[j+yskip]-16)*Ky; tmp=(y+cbB)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); y=(bufy[j+1+yskip]-16)*Ky; tmp=(y+cbB)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; *(bufouto++)=(tmp>255)?255:((tmp<0)?0:tmp); } bufoute+=oskip; bufouto+=oskip; bufy+=yskip<<1; } } void RTjpeg_yuvrgb16(__u8 *buf, __u8 *rgb, int stride) { int tmp; int i, j; __s32 y, crR, crG, cbG, cbB; __u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto; int oskip, yskip; unsigned char r, g, b; if(stride==0) oskip=RTjpeg_width*2; else oskip=2*stride-RTjpeg_width*2; yskip=RTjpeg_width; bufcb=&buf[RTjpeg_width*RTjpeg_height]; bufcr=&buf[RTjpeg_width*RTjpeg_height+(RTjpeg_width*RTjpeg_height)/4]; bufy=&buf[0]; bufoute=rgb; bufouto=rgb+RTjpeg_width*2; for(i=0; i<(RTjpeg_height>>1); i++) { for(j=0; j>16; b=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; g=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; r=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(int)((int)b >> 3); tmp|=(int)(((int)g >> 2) << 5); tmp|=(int)(((int)r >> 3) << 11); *(bufoute++)=tmp&0xff; *(bufoute++)=tmp>>8; y=(bufy[j+1]-16)*Ky; tmp=(y+cbB)>>16; b=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; g=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; r=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(int)((int)b >> 3); tmp|=(int)(((int)g >> 2) << 5); tmp|=(int)(((int)r >> 3) << 11); *(bufoute++)=tmp&0xff; *(bufoute++)=tmp>>8; y=(bufy[j+yskip]-16)*Ky; tmp=(y+cbB)>>16; b=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; g=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; r=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(int)((int)b >> 3); tmp|=(int)(((int)g >> 2) << 5); tmp|=(int)(((int)r >> 3) << 11); *(bufouto++)=tmp&0xff; *(bufouto++)=tmp>>8; y=(bufy[j+1+yskip]-16)*Ky; tmp=(y+cbB)>>16; b=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y-crG-cbG)>>16; g=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(y+crR)>>16; r=(tmp>255)?255:((tmp<0)?0:tmp); tmp=(int)((int)b >> 3); tmp|=(int)(((int)g >> 2) << 5); tmp|=(int)(((int)r >> 3) << 11); *(bufouto++)=tmp&0xff; *(bufouto++)=tmp>>8; } bufoute+=oskip; bufouto+=oskip; bufy+=yskip<<1; } } /* fix stride */ void RTjpeg_yuvrgb8(__u8 *buf, __u8 *rgb, int stride) { bcopy(buf, rgb, RTjpeg_width*RTjpeg_height); }