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Diffstat (limited to 'gst/rtjpeg/RTjpeg.c')
| -rw-r--r-- | gst/rtjpeg/RTjpeg.c | 3448 |
1 files changed, 0 insertions, 3448 deletions
diff --git a/gst/rtjpeg/RTjpeg.c b/gst/rtjpeg/RTjpeg.c deleted file mode 100644 index e3873542f..000000000 --- a/gst/rtjpeg/RTjpeg.c +++ /dev/null @@ -1,3448 +0,0 @@ -/* - This program is free software; you can redristibute 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - - This file is a modified version of RTjpeg 0.1.2, (C) Justin Schoeman 1998 - - (991101) Wim Taymans : added MMX dct and idct from intels site. -*/ - - -/* - -Main Routines - -This file contains most of the initialisation and control functions - -(C) Justin Schoeman 1998 - -*/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <sys/types.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -typedef unsigned char __u8; -typedef signed char __s8; -typedef unsigned short __u16; -typedef signed short __s16; -typedef unsigned long __u32; -typedef signed long __s32; -typedef unsigned long long __u64; - -/*#define MMX_TRACE */ - - -#ifdef HAVE_LIBMMX -#include "mmx.h" -#endif - -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 HAVE_LIBMMX -static __s32 RTjpeg_ws[64 + 31]; -#endif -__u8 RTjpeg_alldata[2 * 64 + 4 * 64 + 4 * 64 + 4 * 64 + 4 * 64 + 32]; - -__s16 *RTjpeg_block; -__s32 *RTjpeg_lqt; -__s32 *RTjpeg_cqt; -__u32 *RTjpeg_liqt; -__u32 *RTjpeg_ciqt; - -unsigned char RTjpeg_lb8; -unsigned char RTjpeg_cb8; -int RTjpeg_width, RTjpeg_height; -int RTjpeg_Ywidth, RTjpeg_Cwidth; -int RTjpeg_Ysize, RTjpeg_Csize; - -__s16 *RTjpeg_old = NULL; - -#ifdef HAVE_LIBMMX -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 -}; - -int -RTjpeg_b2s (__s16 * data, __s8 * strm, __u8 bt8) -{ - register int ci, co = 1, tmp; - register __s16 ZZvalue; - - 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 < tmp; co++) - data[RTjpeg_ZZ[co]] = 0; - co--; - } else { - i = RTjpeg_ZZ[co]; - data[i] = strm[ci] * qtbl[i]; - } - ci++; - } - return (int) ci; -} - -#if defined(HAVE_LIBMMX) -void -RTjpeg_quant_init (void) -{ - int i; - __s16 *qtbl; - - qtbl = (__s16 *) RTjpeg_lqt; - for (i = 0; i < 64; i++) - qtbl[i] = (__s16) RTjpeg_lqt[i]; - - qtbl = (__s16 *) RTjpeg_cqt; - for (i = 0; i < 64; i++) - qtbl[i] = (__s16) RTjpeg_cqt[i]; -} - -static mmx_t RTjpeg_ones = (mmx_t) (long long) 0x0001000100010001LL; -static mmx_t RTjpeg_half = (mmx_t) (long long) 0x7fff7fff7fff7fffLL; - -void -RTjpeg_quant (__s16 * block, __s32 * qtbl) -{ - int i; - mmx_t *bl, *ql; - - ql = (mmx_t *) qtbl; - bl = (mmx_t *) block; - - movq_m2r (RTjpeg_ones, mm6); - movq_m2r (RTjpeg_half, mm7); - - for (i = 16; i; i--) { - movq_m2r (*(ql++), mm0); /* quant vals (4) */ - movq_m2r (*bl, mm2); /* block vals (4) */ - movq_r2r (mm0, mm1); - movq_r2r (mm2, mm3); - - punpcklwd_r2r (mm6, mm0); /* 1 qb 1 qa */ - punpckhwd_r2r (mm6, mm1); /* 1 qd 1 qc */ - - punpcklwd_r2r (mm7, mm2); /* 32767 bb 32767 ba */ - punpckhwd_r2r (mm7, mm3); /* 32767 bd 32767 bc */ - - pmaddwd_r2r (mm2, mm0); /* 32767+bb*qb 32767+ba*qa */ - pmaddwd_r2r (mm3, mm1); /* 32767+bd*qd 32767+bc*qc */ - - psrad_i2r (16, mm0); - psrad_i2r (16, mm1); - - packssdw_r2r (mm1, mm0); - - movq_r2m (mm0, *(bl++)); - - } -} -#else -void -RTjpeg_quant_init (void) -{ -} - -void -RTjpeg_quant (__s16 * block, __s32 * qtbl) -{ - int i; - - for (i = 0; i < 64; i++) - block[i] = (__s16) ((block[i] * qtbl[i] + 32767) >> 16); -} -#endif - -/* - * Perform the forward DCT on one block of samples. - */ -#ifdef HAVE_LIBMMX -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 HAVE_LIBMMX - __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 - 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 HAVE_LIBMMX - - 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 HAVE_LIBMMX - emms (); -#endif - sb = sp; -/* Y */ - for (i = RTjpeg_height >> 1; i; i -= 8) { - for (j = 0, k = 0; j < RTjpeg_width; j += 16, k += 8) { - RTjpeg_dctY (bp + j, RTjpeg_block, RTjpeg_Ywidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_lqt); - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8); - - RTjpeg_dctY (bp + j + 8, RTjpeg_block, RTjpeg_Ywidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_lqt); - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8); - - RTjpeg_dctY (bp1 + j, RTjpeg_block, RTjpeg_Ywidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_lqt); - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8); - - RTjpeg_dctY (bp1 + j + 8, RTjpeg_block, RTjpeg_Ywidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_lqt); - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8); - - RTjpeg_dctY (bp2 + k, RTjpeg_block, RTjpeg_Cwidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_cqt); - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8); - - RTjpeg_dctY (bp3 + k, RTjpeg_block, RTjpeg_Cwidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_cqt); - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8); - - } - bp += RTjpeg_width << 4; - bp1 += RTjpeg_width << 4; - bp2 += RTjpeg_width << 2; - bp3 += RTjpeg_width << 2; - - } -#ifdef HAVE_LIBMMX - emms (); -#endif - return (sp - sb); -} - -int -RTjpeg_compressYUV422 (__s8 * sp, unsigned char *bp) -{ - __s8 *sb; - register __s8 *bp2 = bp + RTjpeg_Ysize; - register __s8 *bp3 = bp2 + RTjpeg_Csize; - register int i, j, k; - -#ifdef HAVE_LIBMMX - emms (); -#endif - sb = sp; -/* Y */ - for (i = RTjpeg_height; i; i -= 8) { - for (j = 0, k = 0; j < RTjpeg_width; j += 16, k += 8) { - RTjpeg_dctY (bp + j, RTjpeg_block, RTjpeg_Ywidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_lqt); - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8); - - RTjpeg_dctY (bp + j + 8, RTjpeg_block, RTjpeg_Ywidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_lqt); - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8); - - RTjpeg_dctY (bp2 + k, RTjpeg_block, RTjpeg_Cwidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_cqt); - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8); - - RTjpeg_dctY (bp3 + k, RTjpeg_block, RTjpeg_Cwidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_cqt); - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8); - - } - bp += RTjpeg_width << 3; - bp2 += RTjpeg_width << 2; - bp3 += RTjpeg_width << 2; - - } -#ifdef HAVE_LIBMMX - emms (); -#endif - return (sp - sb); -} - -int -RTjpeg_compress8 (__s8 * sp, unsigned char *bp) -{ - __s8 *sb; - int i, j; - -#ifdef HAVE_LIBMMX - emms (); -#endif - - sb = sp; -/* Y */ - for (i = 0; i < RTjpeg_height; i += 8) { - for (j = 0; j < RTjpeg_width; j += 8) { - RTjpeg_dctY (bp + j, RTjpeg_block, RTjpeg_width); - RTjpeg_quant (RTjpeg_block, RTjpeg_lqt); - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8); - } - bp += RTjpeg_width; - } - -#ifdef HAVE_LIBMMX - emms (); -#endif - return (sp - sb); -} - -void -RTjpeg_decompressYUV422 (__s8 * sp, __u8 * bp) -{ - register __s8 *bp2 = bp + RTjpeg_Ysize; - register __s8 *bp3 = bp2 + (RTjpeg_Csize); - int i, j, k; - -#ifdef HAVE_LIBMMX - emms (); -#endif - -/* Y */ - for (i = RTjpeg_height; i; i -= 8) { - for (k = 0, j = 0; j < RTjpeg_width; j += 16, k += 8) { - if (*sp == -1) - sp++; - else { - sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt); - RTjpeg_idct (bp + j, RTjpeg_block, RTjpeg_width); - } - if (*sp == -1) - sp++; - else { - sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt); - RTjpeg_idct (bp + j + 8, RTjpeg_block, RTjpeg_width); - } - if (*sp == -1) - sp++; - else { - sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt); - RTjpeg_idct (bp2 + k, RTjpeg_block, RTjpeg_width >> 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 HAVE_LIBMMX - 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 HAVE_LIBMMX - emms (); -#endif - -/* Y */ - for (i = RTjpeg_height >> 1; i; i -= 8) { - for (k = 0, j = 0; j < RTjpeg_width; j += 16, k += 8) { - if (*sp == -1) - sp++; - else { - sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt); - RTjpeg_idct (bp + j, RTjpeg_block, RTjpeg_width); - } - if (*sp == -1) - sp++; - else { - sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt); - RTjpeg_idct (bp + j + 8, RTjpeg_block, RTjpeg_width); - } - if (*sp == -1) - sp++; - else { - sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt); - RTjpeg_idct (bp1 + j, RTjpeg_block, RTjpeg_width); - } - if (*sp == -1) - sp++; - else { - sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt); - RTjpeg_idct (bp1 + j + 8, RTjpeg_block, RTjpeg_width); - } - if (*sp == -1) - sp++; - else { - sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_cb8, RTjpeg_ciqt); - RTjpeg_idct (bp2 + k, RTjpeg_block, RTjpeg_width >> 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 HAVE_LIBMMX - emms (); -#endif -} - -void -RTjpeg_decompress8 (__s8 * sp, __u8 * bp) -{ - int i, j; - -#ifdef HAVE_LIBMMX - emms (); -#endif - -/* Y */ - for (i = 0; i < RTjpeg_height; i += 8) { - for (j = 0; j < RTjpeg_width; j += 8) - if (*sp == -1) - sp++; - else { - sp += RTjpeg_s2b (RTjpeg_block, sp, RTjpeg_lb8, RTjpeg_liqt); - RTjpeg_idct (bp + j, RTjpeg_block, RTjpeg_width); - } - bp += RTjpeg_width << 3; - } -} - -/* -External Function - -Initialise additional data structures for motion compensation - -*/ - -void -RTjpeg_init_mcompress (void) -{ - unsigned long tmp; - - if (!RTjpeg_old) { - RTjpeg_old = malloc ((4 * RTjpeg_width * RTjpeg_height) + 32); - tmp = (unsigned long) RTjpeg_old; - tmp += 32; - tmp = tmp >> 5; - RTjpeg_old = (__s16 *) (tmp << 5); - } - if (!RTjpeg_old) { - fprintf (stderr, "RTjpeg: Could not allocate memory\n"); - exit (-1); - } - memset (RTjpeg_old, 0, ((4 * RTjpeg_width * RTjpeg_height))); -} - -#ifdef HAVE_LIBMMX - -int -RTjpeg_bcomp (__s16 * old, mmx_t * mask) -{ - int i; - mmx_t *mold = (mmx_t *) old; - mmx_t *mblock = (mmx_t *) RTjpeg_block; - 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_mcompress (__s8 * sp, unsigned char *bp, __u16 lmask, __u16 cmask) -{ - __s8 *sb; - __s16 *block; - register __s8 *bp2; - register __s8 *bp3; - register int i, j, k; - -#ifdef HAVE_LIBMMX - 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 - - bp = bp - RTjpeg_width * 0; - bp2 = bp + RTjpeg_Ysize - RTjpeg_width * 0; - bp3 = bp2 + RTjpeg_Csize; - - sb = sp; - block = RTjpeg_old; -/* Y */ - for (i = RTjpeg_height; i; i -= 8) { - for (j = 0, k = 0; j < RTjpeg_width; j += 16, k += 8) { - RTjpeg_dctY (bp + j, RTjpeg_block, RTjpeg_Ywidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_lqt); - if (RTjpeg_bcomp (block, &RTjpeg_lmask)) { - *((__u8 *) sp++) = 255; - } else - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8); - block += 64; - - RTjpeg_dctY (bp + j + 8, RTjpeg_block, RTjpeg_Ywidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_lqt); - if (RTjpeg_bcomp (block, &RTjpeg_lmask)) { - *((__u8 *) sp++) = 255; - } else - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8); - block += 64; - - RTjpeg_dctY (bp2 + k, RTjpeg_block, RTjpeg_Cwidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_cqt); - if (RTjpeg_bcomp (block, &RTjpeg_cmask)) { - *((__u8 *) sp++) = 255; - } else - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8); - block += 64; - - RTjpeg_dctY (bp3 + k, RTjpeg_block, RTjpeg_Cwidth); - RTjpeg_quant (RTjpeg_block, RTjpeg_cqt); - if (RTjpeg_bcomp (block, &RTjpeg_cmask)) { - *((__u8 *) sp++) = 255; - } else - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_cb8); - block += 64; - - } - bp += RTjpeg_width << 3; - bp2 += RTjpeg_width << 2; - bp3 += RTjpeg_width << 2; - } - /*printf ("%d\n", block - RTjpeg_old); */ -#ifdef HAVE_LIBMMX - emms (); -#endif - return (sp - sb); -} - -int -RTjpeg_mcompress8 (__s8 * sp, unsigned char *bp, __u16 lmask) -{ - __s8 *sb; - __s16 *block; - int i, j; - -#ifdef HAVE_LIBMMX - emms (); - RTjpeg_lmask = - (mmx_t) (((__u64) lmask << 48) | ((__u64) lmask << 32) | ((__u64) lmask << - 16) | lmask); -#else - RTjpeg_lmask = lmask; -#endif - - - sb = sp; - block = RTjpeg_old; -/* Y */ - for (i = 0; i < RTjpeg_height; i += 8) { - for (j = 0; j < RTjpeg_width; j += 8) { - RTjpeg_dctY (bp + j, RTjpeg_block, RTjpeg_width); - RTjpeg_quant (RTjpeg_block, RTjpeg_lqt); - if (RTjpeg_bcomp (block, &RTjpeg_lmask)) { - *((__u8 *) sp++) = 255; -/* printf("* %d ", sp[-1]); */ - } else - sp += RTjpeg_b2s (RTjpeg_block, sp, RTjpeg_lb8); - block += 64; - } - bp += RTjpeg_width << 3; - } -#ifdef HAVE_LIBMMX - emms (); -#endif - return (sp - sb); -} - -void -RTjpeg_color_init (void) -{ -} - -#define KcrR 76284 -#define KcrG 53281 -#define KcbG 25625 -#define KcbB 132252 -#define Ky 76284 - -void -RTjpeg_yuv422rgb (__u8 * buf, __u8 * rgb) -{ - int tmp; - int i, j; - __s32 y, crR, crG, cbG, cbB; - __u8 *bufcr, *bufcb, *bufy, *bufoute; - int yskip; - - 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; - - for (i = 0; i < (RTjpeg_height); i++) { - for (j = 0; j < RTjpeg_width; j += 2) { - crR = (*bufcr - 128) * KcrR; - crG = (*(bufcr++) - 128) * KcrG; - cbG = (*bufcb - 128) * KcbG; - cbB = (*(bufcb++) - 128) * KcbB; - - y = (bufy[j] - 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 + 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 tmp; - int i, j; - __s32 y, crR, crG, cbG, cbB; - __u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto; - int oskip, yskip; - - oskip = 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 + oskip; - - for (i = 0; i < (RTjpeg_height >> 1); i++) { - for (j = 0; j < RTjpeg_width; j += 2) { - crR = (*bufcr - 128) * KcrR; - crG = (*(bufcr++) - 128) * KcrG; - cbG = (*bufcb - 128) * KcbG; - cbB = (*(bufcb++) - 128) * KcbB; - - y = (bufy[j] - 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 + 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 tmp; - int i, j; - __s32 y, crR, crG, cbG, cbB; - __u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto; - int oskip, yskip; - - oskip = 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 + oskip; - - for (i = 0; i < (RTjpeg_height >> 1); i++) { - for (j = 0; j < RTjpeg_width; j += 2) { - crR = (*bufcr - 128) * KcrR; - crG = (*(bufcr++) - 128) * KcrG; - cbG = (*bufcb - 128) * KcbG; - cbB = (*(bufcb++) - 128) * KcbB; - - y = (bufy[j] - 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 + 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 tmp; - int i, j; - __s32 y, crR, crG, cbG, cbB; - __u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto; - int oskip, yskip; - - oskip = 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 + oskip; - - for (i = 0; i < (RTjpeg_height >> 1); i++) { - for (j = 0; j < RTjpeg_width; j += 2) { - crR = (*bufcr - 128) * KcrR; - crG = (*(bufcr++) - 128) * KcrG; - cbG = (*bufcb - 128) * KcbG; - cbB = (*(bufcb++) - 128) * KcbB; - - y = (bufy[j] - 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 + 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 tmp; - int i, j; - __s32 y, crR, crG, cbG, cbB; - __u8 *bufcr, *bufcb, *bufy, *bufoute, *bufouto; - int oskip, yskip; - unsigned char r, g, b; - - oskip = 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 + oskip; - - for (i = 0; i < (RTjpeg_height >> 1); i++) { - for (j = 0; j < RTjpeg_width; j += 2) { - crR = (*bufcr - 128) * KcrR; - crG = (*(bufcr++) - 128) * KcrG; - cbG = (*bufcb - 128) * KcbG; - cbB = (*(bufcb++) - 128) * KcbB; - - y = (bufy[j] - 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 + 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; - } -} - -void -RTjpeg_yuvrgb8 (__u8 * buf, __u8 * rgb) -{ - memcpy (rgb, buf, RTjpeg_width * RTjpeg_height); -} - -void -RTjpeg_double32 (__u32 * buf) -{ - int i, j; - - __u32 *iptr, *optr1, *optr2; - - iptr = buf + (RTjpeg_width * RTjpeg_height) - 1; - optr1 = buf + (RTjpeg_width * RTjpeg_height * 4) - 1; - optr2 = optr1 - (2 * RTjpeg_width); - - for (i = 0; i < RTjpeg_height; i++) { - for (j = 0; j < RTjpeg_width; j++) { - *(optr1--) = *iptr; - *(optr1--) = *iptr; - *(optr2--) = *iptr; - *(optr2--) = *(iptr--); - } - optr2 = optr2 - 2 * RTjpeg_width; - optr1 = optr1 - 2 * RTjpeg_width; - } -} - -void -RTjpeg_double24 (__u8 * buf) -{ -} - -void -RTjpeg_double16 (__u16 * buf) -{ - int i, j; - - __u16 *iptr, *optr1, *optr2; - - iptr = buf + (RTjpeg_width * RTjpeg_height) - 1; - optr1 = buf + (RTjpeg_width * RTjpeg_height * 4) - 1; - optr2 = optr1 - (2 * RTjpeg_width); - - for (i = 0; i < RTjpeg_height; i++) { - for (j = 0; j < RTjpeg_width; j++) { - *(optr1--) = *iptr; - *(optr1--) = *iptr; - *(optr2--) = *iptr; - *(optr2--) = *(iptr--); - } - optr2 = optr2 - 2 * RTjpeg_width; - optr1 = optr1 - 2 * RTjpeg_width; - } -} - -void -RTjpeg_double8 (__u8 * buf) -{ - int i, j; - - __u8 *iptr, *optr1, *optr2; - - iptr = buf + (RTjpeg_width * RTjpeg_height) - 1; - optr1 = buf + (RTjpeg_width * RTjpeg_height * 4) - 1; - optr2 = optr1 - (2 * RTjpeg_width); - - for (i = 0; i < RTjpeg_height; i++) { - for (j = 0; j < RTjpeg_width; j++) { - *(optr1--) = *iptr; - *(optr1--) = *iptr; - *(optr2--) = *iptr; - *(optr2--) = *(iptr--); - } - optr2 = optr2 - 2 * RTjpeg_width; - optr1 = optr1 - 2 * RTjpeg_width; - } -} |