FFmpeg: libswscale/x86/swscale

00001 /*
00002  * Copyright (C) 2001-2011 Michael Niedermayer <michaelni@gmx.at>
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #include <inttypes.h>
00022 #include "config.h"
00023 #include "libswscale/swscale.h"
00024 #include "libswscale/swscale_internal.h"
00025 #include "libavutil/intreadwrite.h"
00026 #include "libavutil/x86_cpu.h"
00027 #include "libavutil/cpu.h"
00028 #include "libavutil/pixdesc.h"
00029 
00030 DECLARE_ASM_CONST(8, uint64_t, bF8)=       0xF8F8F8F8F8F8F8F8LL;
00031 DECLARE_ASM_CONST(8, uint64_t, bFC)=       0xFCFCFCFCFCFCFCFCLL;
00032 DECLARE_ASM_CONST(8, uint64_t, w10)=       0x0010001000100010LL;
00033 DECLARE_ASM_CONST(8, uint64_t, w02)=       0x0002000200020002LL;
00034 DECLARE_ASM_CONST(8, uint64_t, bm00001111)=0x00000000FFFFFFFFLL;
00035 DECLARE_ASM_CONST(8, uint64_t, bm00000111)=0x0000000000FFFFFFLL;
00036 DECLARE_ASM_CONST(8, uint64_t, bm11111000)=0xFFFFFFFFFF000000LL;
00037 DECLARE_ASM_CONST(8, uint64_t, bm01010101)=0x00FF00FF00FF00FFLL;
00038 
00039 const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
00040     0x0103010301030103LL,
00041     0x0200020002000200LL,};
00042 
00043 const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
00044     0x0602060206020602LL,
00045     0x0004000400040004LL,};
00046 
00047 DECLARE_ASM_CONST(8, uint64_t, b16Mask)=   0x001F001F001F001FLL;
00048 DECLARE_ASM_CONST(8, uint64_t, g16Mask)=   0x07E007E007E007E0LL;
00049 DECLARE_ASM_CONST(8, uint64_t, r16Mask)=   0xF800F800F800F800LL;
00050 DECLARE_ASM_CONST(8, uint64_t, b15Mask)=   0x001F001F001F001FLL;
00051 DECLARE_ASM_CONST(8, uint64_t, g15Mask)=   0x03E003E003E003E0LL;
00052 DECLARE_ASM_CONST(8, uint64_t, r15Mask)=   0x7C007C007C007C00LL;
00053 
00054 DECLARE_ALIGNED(8, const uint64_t, ff_M24A)         = 0x00FF0000FF0000FFLL;
00055 DECLARE_ALIGNED(8, const uint64_t, ff_M24B)         = 0xFF0000FF0000FF00LL;
00056 DECLARE_ALIGNED(8, const uint64_t, ff_M24C)         = 0x0000FF0000FF0000LL;
00057 
00058 #ifdef FAST_BGR2YV12
00059 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff)   = 0x000000210041000DULL;
00060 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff)   = 0x0000FFEEFFDC0038ULL;
00061 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff)   = 0x00000038FFD2FFF8ULL;
00062 #else
00063 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff)   = 0x000020E540830C8BULL;
00064 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff)   = 0x0000ED0FDAC23831ULL;
00065 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff)   = 0x00003831D0E6F6EAULL;
00066 #endif /* FAST_BGR2YV12 */
00067 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset)  = 0x1010101010101010ULL;
00068 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
00069 DECLARE_ALIGNED(8, const uint64_t, ff_w1111)        = 0x0001000100010001ULL;
00070 
00071 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL;
00072 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL;
00073 DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY1Coeff) = 0x20DE0000408720DEULL;
00074 DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL;
00075 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toYOffset) = 0x0008010000080100ULL;
00076 
00077 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV)[2][4] = {
00078     {0x38380000DAC83838ULL, 0xECFFDAC80000ECFFULL, 0xF6E40000D0E3F6E4ULL, 0x3838D0E300003838ULL},
00079     {0xECFF0000DAC8ECFFULL, 0x3838DAC800003838ULL, 0x38380000D0E33838ULL, 0xF6E4D0E30000F6E4ULL},
00080 };
00081 
00082 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset)= 0x0040010000400100ULL;
00083 
00084 //MMX versions
00085 #if HAVE_MMX
00086 #undef RENAME
00087 #define COMPILE_TEMPLATE_MMX2 0
00088 #define RENAME(a) a ## _MMX
00089 #include "swscale_template.c"
00090 #endif
00091 
00092 //MMX2 versions
00093 #if HAVE_MMX2
00094 #undef RENAME
00095 #undef COMPILE_TEMPLATE_MMX2
00096 #define COMPILE_TEMPLATE_MMX2 1
00097 #define RENAME(a) a ## _MMX2
00098 #include "swscale_template.c"
00099 #endif
00100 
00101 void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
00102                            int lastInLumBuf, int lastInChrBuf)
00103 {
00104     const int dstH= c->dstH;
00105     const int flags= c->flags;
00106     int16_t **lumPixBuf= c->lumPixBuf;
00107     int16_t **chrUPixBuf= c->chrUPixBuf;
00108     int16_t **alpPixBuf= c->alpPixBuf;
00109     const int vLumBufSize= c->vLumBufSize;
00110     const int vChrBufSize= c->vChrBufSize;
00111     int32_t *vLumFilterPos= c->vLumFilterPos;
00112     int32_t *vChrFilterPos= c->vChrFilterPos;
00113     int16_t *vLumFilter= c->vLumFilter;
00114     int16_t *vChrFilter= c->vChrFilter;
00115     int32_t *lumMmxFilter= c->lumMmxFilter;
00116     int32_t *chrMmxFilter= c->chrMmxFilter;
00117     int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
00118     const int vLumFilterSize= c->vLumFilterSize;
00119     const int vChrFilterSize= c->vChrFilterSize;
00120     const int chrDstY= dstY>>c->chrDstVSubSample;
00121     const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
00122     const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
00123 
00124     c->blueDither= ff_dither8[dstY&1];
00125     if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
00126         c->greenDither= ff_dither8[dstY&1];
00127     else
00128         c->greenDither= ff_dither4[dstY&1];
00129     c->redDither= ff_dither8[(dstY+1)&1];
00130     if (dstY < dstH - 2) {
00131         const int16_t **lumSrcPtr= (const int16_t **)(void*) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
00132         const int16_t **chrUSrcPtr= (const int16_t **)(void*) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
00133         const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)(void*) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
00134         int i;
00135 
00136         if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
00137             const int16_t **tmpY = (const int16_t **) lumPixBuf + 2 * vLumBufSize;
00138             int neg = -firstLumSrcY, i, end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);
00139             for (i = 0; i < neg;            i++)
00140                 tmpY[i] = lumSrcPtr[neg];
00141             for (     ; i < end;            i++)
00142                 tmpY[i] = lumSrcPtr[i];
00143             for (     ; i < vLumFilterSize; i++)
00144                 tmpY[i] = tmpY[i-1];
00145             lumSrcPtr = tmpY;
00146 
00147             if (alpSrcPtr) {
00148                 const int16_t **tmpA = (const int16_t **) alpPixBuf + 2 * vLumBufSize;
00149                 for (i = 0; i < neg;            i++)
00150                     tmpA[i] = alpSrcPtr[neg];
00151                 for (     ; i < end;            i++)
00152                     tmpA[i] = alpSrcPtr[i];
00153                 for (     ; i < vLumFilterSize; i++)
00154                     tmpA[i] = tmpA[i - 1];
00155                 alpSrcPtr = tmpA;
00156             }
00157         }
00158         if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {
00159             const int16_t **tmpU = (const int16_t **) chrUPixBuf + 2 * vChrBufSize;
00160             int neg = -firstChrSrcY, i, end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);
00161             for (i = 0; i < neg;            i++) {
00162                 tmpU[i] = chrUSrcPtr[neg];
00163             }
00164             for (     ; i < end;            i++) {
00165                 tmpU[i] = chrUSrcPtr[i];
00166             }
00167             for (     ; i < vChrFilterSize; i++) {
00168                 tmpU[i] = tmpU[i - 1];
00169             }
00170             chrUSrcPtr = tmpU;
00171         }
00172 
00173         if (flags & SWS_ACCURATE_RND) {
00174             int s= APCK_SIZE / 8;
00175             for (i=0; i<vLumFilterSize; i+=2) {
00176                 *(const void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];
00177                 *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];
00178                 lumMmxFilter[s*i+APCK_COEF/4  ]=
00179                 lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]
00180                 + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
00181                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
00182                     *(const void**)&alpMmxFilter[s*i              ]= alpSrcPtr[i  ];
00183                     *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4  ]= alpSrcPtr[i+(vLumFilterSize>1)];
00184                     alpMmxFilter[s*i+APCK_COEF/4  ]=
00185                     alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4  ];
00186                 }
00187             }
00188             for (i=0; i<vChrFilterSize; i+=2) {
00189                 *(const void**)&chrMmxFilter[s*i              ]= chrUSrcPtr[i  ];
00190                 *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrUSrcPtr[i+(vChrFilterSize>1)];
00191                 chrMmxFilter[s*i+APCK_COEF/4  ]=
00192                 chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]
00193                 + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
00194             }
00195         } else {
00196             for (i=0; i<vLumFilterSize; i++) {
00197                 *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
00198                 lumMmxFilter[4*i+2]=
00199                 lumMmxFilter[4*i+3]=
00200                 ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
00201                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
00202                     *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
00203                     alpMmxFilter[4*i+2]=
00204                     alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
00205                 }
00206             }
00207             for (i=0; i<vChrFilterSize; i++) {
00208                 *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
00209                 chrMmxFilter[4*i+2]=
00210                 chrMmxFilter[4*i+3]=
00211                 ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
00212             }
00213         }
00214     }
00215 }
00216 
00217 #if HAVE_MMX2
00218 static void yuv2yuvX_sse3(const int16_t *filter, int filterSize,
00219                            const int16_t **src, uint8_t *dest, int dstW,
00220                            const uint8_t *dither, int offset)
00221 {
00222     if(((int)dest) & 15){
00223         return yuv2yuvX_MMX2(filter, filterSize, src, dest, dstW, dither, offset);
00224     }
00225     if (offset) {
00226         __asm__ volatile("movq       (%0), %%xmm3\n\t"
00227                          "movdqa    %%xmm3, %%xmm4\n\t"
00228                          "psrlq       $24, %%xmm3\n\t"
00229                          "psllq       $40, %%xmm4\n\t"
00230                          "por       %%xmm4, %%xmm3\n\t"
00231                          :: "r"(dither)
00232                          );
00233     } else {
00234         __asm__ volatile("movq       (%0), %%xmm3\n\t"
00235                          :: "r"(dither)
00236                          );
00237     }
00238     __asm__ volatile(
00239         "pxor      %%xmm0, %%xmm0\n\t"
00240         "punpcklbw %%xmm0, %%xmm3\n\t"
00241         "psraw        $4, %%xmm3\n\t"
00242         "movdqa    %%xmm3, %%xmm4\n\t"
00243         "movdqa    %%xmm3, %%xmm7\n\t"
00244         "movl %3, %%ecx\n\t"
00245         "mov                                 %0, %%"REG_d"  \n\t"\
00246         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
00247         ".p2align                             4             \n\t" /* FIXME Unroll? */\
00248         "1:                                                 \n\t"\
00249         "movddup                  8(%%"REG_d"), %%xmm0      \n\t" /* filterCoeff */\
00250         "movdqa              (%%"REG_S", %%"REG_c", 2), %%xmm2      \n\t" /* srcData */\
00251         "movdqa            16(%%"REG_S", %%"REG_c", 2), %%xmm5      \n\t" /* srcData */\
00252         "add                                $16, %%"REG_d"  \n\t"\
00253         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
00254         "test                         %%"REG_S", %%"REG_S"  \n\t"\
00255         "pmulhw                           %%xmm0, %%xmm2      \n\t"\
00256         "pmulhw                           %%xmm0, %%xmm5      \n\t"\
00257         "paddw                            %%xmm2, %%xmm3      \n\t"\
00258         "paddw                            %%xmm5, %%xmm4      \n\t"\
00259         " jnz                                1b             \n\t"\
00260         "psraw                               $3, %%xmm3      \n\t"\
00261         "psraw                               $3, %%xmm4      \n\t"\
00262         "packuswb                         %%xmm4, %%xmm3      \n\t"
00263         "movntdq                          %%xmm3, (%1, %%"REG_c")\n\t"
00264         "add                         $16, %%"REG_c"         \n\t"\
00265         "cmp                          %2, %%"REG_c"         \n\t"\
00266         "movdqa    %%xmm7, %%xmm3\n\t"
00267         "movdqa    %%xmm7, %%xmm4\n\t"
00268         "mov                                 %0, %%"REG_d"  \n\t"\
00269         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
00270         "jb                                  1b             \n\t"\
00271         :: "g" (filter),
00272            "r" (dest-offset), "g" ((x86_reg)(dstW+offset)), "m" (offset)
00273         : "%"REG_d, "%"REG_S, "%"REG_c
00274     );
00275 }
00276 #endif
00277 
00278 #define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
00279 extern void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
00280                                                 SwsContext *c, int16_t *data, \
00281                                                 int dstW, const uint8_t *src, \
00282                                                 const int16_t *filter, \
00283                                                 const int32_t *filterPos, int filterSize)
00284 
00285 #define SCALE_FUNCS(filter_n, opt) \
00286     SCALE_FUNC(filter_n,  8, 15, opt); \
00287     SCALE_FUNC(filter_n,  9, 15, opt); \
00288     SCALE_FUNC(filter_n, 10, 15, opt); \
00289     SCALE_FUNC(filter_n, 14, 15, opt); \
00290     SCALE_FUNC(filter_n, 16, 15, opt); \
00291     SCALE_FUNC(filter_n,  8, 19, opt); \
00292     SCALE_FUNC(filter_n,  9, 19, opt); \
00293     SCALE_FUNC(filter_n, 10, 19, opt); \
00294     SCALE_FUNC(filter_n, 14, 19, opt); \
00295     SCALE_FUNC(filter_n, 16, 19, opt)
00296 
00297 #define SCALE_FUNCS_MMX(opt) \
00298     SCALE_FUNCS(4, opt); \
00299     SCALE_FUNCS(8, opt); \
00300     SCALE_FUNCS(X, opt)
00301 
00302 #define SCALE_FUNCS_SSE(opt) \
00303     SCALE_FUNCS(4, opt); \
00304     SCALE_FUNCS(8, opt); \
00305     SCALE_FUNCS(X4, opt); \
00306     SCALE_FUNCS(X8, opt)
00307 
00308 #if ARCH_X86_32
00309 SCALE_FUNCS_MMX(mmx);
00310 #endif
00311 SCALE_FUNCS_SSE(sse2);
00312 SCALE_FUNCS_SSE(ssse3);
00313 SCALE_FUNCS_SSE(sse4);
00314 
00315 #define VSCALEX_FUNC(size, opt) \
00316 extern void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
00317                                                const int16_t **src, uint8_t *dest, int dstW, \
00318                                                const uint8_t *dither, int offset)
00319 #define VSCALEX_FUNCS(opt) \
00320     VSCALEX_FUNC(8,  opt); \
00321     VSCALEX_FUNC(9,  opt); \
00322     VSCALEX_FUNC(10, opt)
00323 
00324 #if ARCH_X86_32
00325 VSCALEX_FUNCS(mmx2);
00326 #endif
00327 VSCALEX_FUNCS(sse2);
00328 VSCALEX_FUNCS(sse4);
00329 VSCALEX_FUNC(16, sse4);
00330 VSCALEX_FUNCS(avx);
00331 
00332 #define VSCALE_FUNC(size, opt) \
00333 extern void ff_yuv2plane1_ ## size ## _ ## opt(const int16_t *src, uint8_t *dst, int dstW, \
00334                                                const uint8_t *dither, int offset)
00335 #define VSCALE_FUNCS(opt1, opt2) \
00336     VSCALE_FUNC(8,  opt1); \
00337     VSCALE_FUNC(9,  opt2); \
00338     VSCALE_FUNC(10, opt2); \
00339     VSCALE_FUNC(16, opt1)
00340 
00341 #if ARCH_X86_32
00342 VSCALE_FUNCS(mmx, mmx2);
00343 #endif
00344 VSCALE_FUNCS(sse2, sse2);
00345 VSCALE_FUNC(16, sse4);
00346 VSCALE_FUNCS(avx, avx);
00347 
00348 #define INPUT_UV_FUNC(fmt, opt) \
00349 extern void ff_ ## fmt ## ToUV_ ## opt(uint8_t *dstU, uint8_t *dstV, \
00350                                        const uint8_t *src, const uint8_t *unused1, \
00351                                        int w, uint32_t *unused2)
00352 #define INPUT_FUNC(fmt, opt) \
00353 extern void ff_ ## fmt ## ToY_  ## opt(uint8_t *dst, const uint8_t *src, \
00354                                        int w, uint32_t *unused); \
00355     INPUT_UV_FUNC(fmt, opt)
00356 #define INPUT_FUNCS(opt) \
00357     INPUT_FUNC(uyvy, opt); \
00358     INPUT_FUNC(yuyv, opt); \
00359     INPUT_UV_FUNC(nv12, opt); \
00360     INPUT_UV_FUNC(nv21, opt)
00361 
00362 #if ARCH_X86_32
00363 INPUT_FUNCS(mmx);
00364 #endif
00365 INPUT_FUNCS(sse2);
00366 INPUT_FUNCS(avx);
00367 
00368 void ff_sws_init_swScale_mmx(SwsContext *c)
00369 {
00370     int cpu_flags = av_get_cpu_flags();
00371 
00372     if (cpu_flags & AV_CPU_FLAG_MMX)
00373         sws_init_swScale_MMX(c);
00374 #if HAVE_MMX2
00375     if (cpu_flags & AV_CPU_FLAG_MMX2)
00376         sws_init_swScale_MMX2(c);
00377     if (cpu_flags & AV_CPU_FLAG_SSE3){
00378         if(c->use_mmx_vfilter && !(c->flags & SWS_ACCURATE_RND))
00379             c->yuv2planeX = yuv2yuvX_sse3;
00380     }
00381 #endif
00382 
00383 #if HAVE_YASM
00384 #define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \
00385     if (c->srcBpc == 8) { \
00386         hscalefn = c->dstBpc <= 10 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
00387                                      ff_hscale8to19_ ## filtersize ## _ ## opt1; \
00388     } else if (c->srcBpc == 9) { \
00389         hscalefn = c->dstBpc <= 10 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
00390                                      ff_hscale9to19_ ## filtersize ## _ ## opt1; \
00391     } else if (c->srcBpc == 10) { \
00392         hscalefn = c->dstBpc <= 10 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
00393                                      ff_hscale10to19_ ## filtersize ## _ ## opt1; \
00394     } else if (c->srcBpc == 14 || ((c->srcFormat==PIX_FMT_PAL8||isAnyRGB(c->srcFormat)) && av_pix_fmt_descriptors[c->srcFormat].comp[0].depth_minus1<15)) { \
00395         hscalefn = c->dstBpc <= 10 ? ff_hscale14to15_ ## filtersize ## _ ## opt2 : \
00396                                      ff_hscale14to19_ ## filtersize ## _ ## opt1; \
00397     } else { /* c->srcBpc == 16 */ \
00398         hscalefn = c->dstBpc <= 10 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
00399                                      ff_hscale16to19_ ## filtersize ## _ ## opt1; \
00400     } \
00401 } while (0)
00402 #define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
00403     switch (filtersize) { \
00404     case 4:  ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
00405     case 8:  ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
00406     default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \
00407     }
00408 #define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case) \
00409 switch(c->dstBpc){ \
00410     case 16:                          /*do_16_case;*/                          break; \
00411     case 10: if (!isBE(c->dstFormat)) /*vscalefn = ff_yuv2planeX_10_ ## opt;*/ break; \
00412     case 9:  if (!isBE(c->dstFormat)) /*vscalefn = ff_yuv2planeX_9_  ## opt;*/ break; \
00413     default:                          /*vscalefn = ff_yuv2planeX_8_  ## opt;*/ break; \
00414     }
00415 #define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk) \
00416     switch(c->dstBpc){ \
00417     case 16: if (!isBE(c->dstFormat))            vscalefn = ff_yuv2plane1_16_ ## opt1; break; \
00418     case 10: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_10_ ## opt2; break; \
00419     case 9:  if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_9_  ## opt2;  break; \
00420     default:                                     vscalefn = ff_yuv2plane1_8_  ## opt1;  break; \
00421     }
00422 #if ARCH_X86_32
00423     if (cpu_flags & AV_CPU_FLAG_MMX) {
00424         ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx);
00425         ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx);
00426         ASSIGN_VSCALE_FUNC(c->yuv2plane1, mmx, mmx2, cpu_flags & AV_CPU_FLAG_MMX2);
00427 
00428         switch (c->srcFormat) {
00429         case PIX_FMT_Y400A:
00430             c->lumToYV12 = ff_yuyvToY_mmx;
00431             if (c->alpPixBuf)
00432                 c->alpToYV12 = ff_uyvyToY_mmx;
00433             break;
00434         case PIX_FMT_YUYV422:
00435             c->lumToYV12 = ff_yuyvToY_mmx;
00436             c->chrToYV12 = ff_yuyvToUV_mmx;
00437             break;
00438         case PIX_FMT_UYVY422:
00439             c->lumToYV12 = ff_uyvyToY_mmx;
00440             c->chrToYV12 = ff_uyvyToUV_mmx;
00441             break;
00442         case PIX_FMT_NV12:
00443             c->chrToYV12 = ff_nv12ToUV_mmx;
00444             break;
00445         case PIX_FMT_NV21:
00446             c->chrToYV12 = ff_nv21ToUV_mmx;
00447             break;
00448         default:
00449             break;
00450         }
00451     }
00452     if (cpu_flags & AV_CPU_FLAG_MMX2) {
00453         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmx2,);
00454     }
00455 #endif
00456 #define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
00457     switch (filtersize) { \
00458     case 4:  ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
00459     case 8:  ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
00460     default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
00461              else                ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
00462              break; \
00463     }
00464     if (cpu_flags & AV_CPU_FLAG_SSE2) {
00465         ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);
00466         ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);
00467         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2,);
00468         ASSIGN_VSCALE_FUNC(c->yuv2plane1, sse2, sse2, 1);
00469 
00470         switch (c->srcFormat) {
00471         case PIX_FMT_Y400A:
00472             c->lumToYV12 = ff_yuyvToY_sse2;
00473             if (c->alpPixBuf)
00474                 c->alpToYV12 = ff_uyvyToY_sse2;
00475             break;
00476         case PIX_FMT_YUYV422:
00477             c->lumToYV12 = ff_yuyvToY_sse2;
00478             c->chrToYV12 = ff_yuyvToUV_sse2;
00479             break;
00480         case PIX_FMT_UYVY422:
00481             c->lumToYV12 = ff_uyvyToY_sse2;
00482             c->chrToYV12 = ff_uyvyToUV_sse2;
00483             break;
00484         case PIX_FMT_NV12:
00485             c->chrToYV12 = ff_nv12ToUV_sse2;
00486             break;
00487         case PIX_FMT_NV21:
00488             c->chrToYV12 = ff_nv21ToUV_sse2;
00489             break;
00490         }
00491     }
00492     if (cpu_flags & AV_CPU_FLAG_SSSE3) {
00493         ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);
00494         ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);
00495     }
00496     if (cpu_flags & AV_CPU_FLAG_SSE4) {
00497         /* Xto15 don't need special sse4 functions */
00498         ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);
00499         ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);
00500         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4,
00501                             if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4);
00502         if (c->dstBpc == 16 && !isBE(c->dstFormat))
00503             c->yuv2plane1 = ff_yuv2plane1_16_sse4;
00504     }
00505 
00506     if (HAVE_AVX && cpu_flags & AV_CPU_FLAG_AVX) {
00507         ASSIGN_VSCALEX_FUNC(c->yuv2planeX, avx,);
00508         ASSIGN_VSCALE_FUNC(c->yuv2plane1, avx, avx, 1);
00509 
00510         switch (c->srcFormat) {
00511         case PIX_FMT_YUYV422:
00512             c->chrToYV12 = ff_yuyvToUV_avx;
00513             break;
00514         case PIX_FMT_UYVY422:
00515             c->chrToYV12 = ff_uyvyToUV_avx;
00516             break;
00517         case PIX_FMT_NV12:
00518             c->chrToYV12 = ff_nv12ToUV_avx;
00519             break;
00520         case PIX_FMT_NV21:
00521             c->chrToYV12 = ff_nv21ToUV_avx;
00522             break;
00523         default:
00524             break;
00525         }
00526     }
00527 #endif
00528 }
libswscale/x86/swscale_mmx.c
