/* * software RGB to RGB converter * pluralize by software PAL8 to RGB converter * software YUV to YUV converter * software YUV to RGB converter * Written by Nick Kurshev. * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at) * lot of big-endian byte order fixes by Alex Beregszaszi * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #undef PREFETCH #undef MOVNTQ #undef EMMS #undef SFENCE #undef PAVGB #if COMPILE_TEMPLATE_AMD3DNOW #define PREFETCH "prefetch" #define PAVGB "pavgusb" #elif COMPILE_TEMPLATE_MMXEXT #define PREFETCH "prefetchnta" #define PAVGB "pavgb" #else #define PREFETCH " # nop" #endif #if COMPILE_TEMPLATE_AMD3DNOW /* On K6 femms is faster than emms. On K7 femms is directly mapped to emms. */ #define EMMS "femms" #else #define EMMS "emms" #endif #if COMPILE_TEMPLATE_MMXEXT #define MOVNTQ "movntq" #define SFENCE "sfence" #else #define MOVNTQ "movq" #define SFENCE " # nop" #endif #if !COMPILE_TEMPLATE_SSE2 #if !COMPILE_TEMPLATE_AMD3DNOW static inline void RENAME(rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size) { uint8_t *dest = dst; const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; end = s + src_size; __asm__ volatile(PREFETCH" %0"::"m"(*s):"memory"); mm_end = end - 23; __asm__ volatile("movq %0, %%mm7"::"m"(mask32a):"memory"); while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movd (%1), %%mm0 \n\t" "punpckldq 3(%1), %%mm0 \n\t" "movd 6(%1), %%mm1 \n\t" "punpckldq 9(%1), %%mm1 \n\t" "movd 12(%1), %%mm2 \n\t" "punpckldq 15(%1), %%mm2 \n\t" "movd 18(%1), %%mm3 \n\t" "punpckldq 21(%1), %%mm3 \n\t" "por %%mm7, %%mm0 \n\t" "por %%mm7, %%mm1 \n\t" "por %%mm7, %%mm2 \n\t" "por %%mm7, %%mm3 \n\t" MOVNTQ" %%mm0, (%0) \n\t" MOVNTQ" %%mm1, 8(%0) \n\t" MOVNTQ" %%mm2, 16(%0) \n\t" MOVNTQ" %%mm3, 24(%0)" :: "r"(dest), "r"(s) :"memory"); dest += 32; s += 24; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { *dest++ = *s++; *dest++ = *s++; *dest++ = *s++; *dest++ = 255; } } #define STORE_BGR24_MMX \ "psrlq $8, %%mm2 \n\t" \ "psrlq $8, %%mm3 \n\t" \ "psrlq $8, %%mm6 \n\t" \ "psrlq $8, %%mm7 \n\t" \ "pand "MANGLE(mask24l)", %%mm0\n\t" \ "pand "MANGLE(mask24l)", %%mm1\n\t" \ "pand "MANGLE(mask24l)", %%mm4\n\t" \ "pand "MANGLE(mask24l)", %%mm5\n\t" \ "pand "MANGLE(mask24h)", %%mm2\n\t" \ "pand "MANGLE(mask24h)", %%mm3\n\t" \ "pand "MANGLE(mask24h)", %%mm6\n\t" \ "pand "MANGLE(mask24h)", %%mm7\n\t" \ "por %%mm2, %%mm0 \n\t" \ "por %%mm3, %%mm1 \n\t" \ "por %%mm6, %%mm4 \n\t" \ "por %%mm7, %%mm5 \n\t" \ \ "movq %%mm1, %%mm2 \n\t" \ "movq %%mm4, %%mm3 \n\t" \ "psllq $48, %%mm2 \n\t" \ "psllq $32, %%mm3 \n\t" \ "por %%mm2, %%mm0 \n\t" \ "psrlq $16, %%mm1 \n\t" \ "psrlq $32, %%mm4 \n\t" \ "psllq $16, %%mm5 \n\t" \ "por %%mm3, %%mm1 \n\t" \ "por %%mm5, %%mm4 \n\t" \ \ MOVNTQ" %%mm0, (%0) \n\t" \ MOVNTQ" %%mm1, 8(%0) \n\t" \ MOVNTQ" %%mm4, 16(%0)" static inline void RENAME(rgb32tobgr24)(const uint8_t *src, uint8_t *dst, int src_size) { uint8_t *dest = dst; const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; end = s + src_size; __asm__ volatile(PREFETCH" %0"::"m"(*s):"memory"); mm_end = end - 31; while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movq (%1), %%mm0 \n\t" "movq 8(%1), %%mm1 \n\t" "movq 16(%1), %%mm4 \n\t" "movq 24(%1), %%mm5 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm1, %%mm3 \n\t" "movq %%mm4, %%mm6 \n\t" "movq %%mm5, %%mm7 \n\t" STORE_BGR24_MMX :: "r"(dest), "r"(s) :"memory"); dest += 24; s += 32; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { *dest++ = *s++; *dest++ = *s++; *dest++ = *s++; s++; } } /* original by Strepto/Astral ported to gcc & bugfixed: A'rpi MMXEXT, 3DNOW optimization by Nick Kurshev 32-bit C version, and and&add trick by Michael Niedermayer */ static inline void RENAME(rgb15to16)(const uint8_t *src, uint8_t *dst, int src_size) { register const uint8_t* s=src; register uint8_t* d=dst; register const uint8_t *end; const uint8_t *mm_end; end = s + src_size; __asm__ volatile(PREFETCH" %0"::"m"(*s)); __asm__ volatile("movq %0, %%mm4"::"m"(mask15s)); mm_end = end - 15; while (s>1)&0x7FE07FE0) | (x&0x001F001F); s+=4; d+=4; } if (s < end) { register uint16_t x= *((const uint16_t*)s); *((uint16_t *)d) = ((x>>1)&0x7FE0) | (x&0x001F); } } static inline void RENAME(rgb32to16)(const uint8_t *src, uint8_t *dst, int src_size) { const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; uint16_t *d = (uint16_t *)dst; end = s + src_size; mm_end = end - 15; __asm__ volatile( "movq %3, %%mm5 \n\t" "movq %4, %%mm6 \n\t" "movq %5, %%mm7 \n\t" "jmp 2f \n\t" ".p2align 4 \n\t" "1: \n\t" PREFETCH" 32(%1) \n\t" "movd (%1), %%mm0 \n\t" "movd 4(%1), %%mm3 \n\t" "punpckldq 8(%1), %%mm0 \n\t" "punpckldq 12(%1), %%mm3 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm3, %%mm4 \n\t" "pand %%mm6, %%mm0 \n\t" "pand %%mm6, %%mm3 \n\t" "pmaddwd %%mm7, %%mm0 \n\t" "pmaddwd %%mm7, %%mm3 \n\t" "pand %%mm5, %%mm1 \n\t" "pand %%mm5, %%mm4 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm4, %%mm3 \n\t" "psrld $5, %%mm0 \n\t" "pslld $11, %%mm3 \n\t" "por %%mm3, %%mm0 \n\t" MOVNTQ" %%mm0, (%0) \n\t" "add $16, %1 \n\t" "add $8, %0 \n\t" "2: \n\t" "cmp %2, %1 \n\t" " jb 1b \n\t" : "+r" (d), "+r"(s) : "r" (mm_end), "m" (mask3216g), "m" (mask3216br), "m" (mul3216) ); __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { register int rgb = *(const uint32_t*)s; s += 4; *d++ = ((rgb&0xFF)>>3) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>8); } } static inline void RENAME(rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size) { const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; uint16_t *d = (uint16_t *)dst; end = s + src_size; __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); __asm__ volatile( "movq %0, %%mm7 \n\t" "movq %1, %%mm6 \n\t" ::"m"(red_16mask),"m"(green_16mask)); mm_end = end - 15; while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movd (%1), %%mm0 \n\t" "movd 4(%1), %%mm3 \n\t" "punpckldq 8(%1), %%mm0 \n\t" "punpckldq 12(%1), %%mm3 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm3, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "psllq $8, %%mm0 \n\t" "psllq $8, %%mm3 \n\t" "pand %%mm7, %%mm0 \n\t" "pand %%mm7, %%mm3 \n\t" "psrlq $5, %%mm1 \n\t" "psrlq $5, %%mm4 \n\t" "pand %%mm6, %%mm1 \n\t" "pand %%mm6, %%mm4 \n\t" "psrlq $19, %%mm2 \n\t" "psrlq $19, %%mm5 \n\t" "pand %2, %%mm2 \n\t" "pand %2, %%mm5 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm2, %%mm0 \n\t" "por %%mm5, %%mm3 \n\t" "psllq $16, %%mm3 \n\t" "por %%mm3, %%mm0 \n\t" MOVNTQ" %%mm0, (%0) \n\t" :: "r"(d),"r"(s),"m"(blue_16mask):"memory"); d += 4; s += 16; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { register int rgb = *(const uint32_t*)s; s += 4; *d++ = ((rgb&0xF8)<<8) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>19); } } static inline void RENAME(rgb32to15)(const uint8_t *src, uint8_t *dst, int src_size) { const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; uint16_t *d = (uint16_t *)dst; end = s + src_size; mm_end = end - 15; __asm__ volatile( "movq %3, %%mm5 \n\t" "movq %4, %%mm6 \n\t" "movq %5, %%mm7 \n\t" "jmp 2f \n\t" ".p2align 4 \n\t" "1: \n\t" PREFETCH" 32(%1) \n\t" "movd (%1), %%mm0 \n\t" "movd 4(%1), %%mm3 \n\t" "punpckldq 8(%1), %%mm0 \n\t" "punpckldq 12(%1), %%mm3 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm3, %%mm4 \n\t" "pand %%mm6, %%mm0 \n\t" "pand %%mm6, %%mm3 \n\t" "pmaddwd %%mm7, %%mm0 \n\t" "pmaddwd %%mm7, %%mm3 \n\t" "pand %%mm5, %%mm1 \n\t" "pand %%mm5, %%mm4 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm4, %%mm3 \n\t" "psrld $6, %%mm0 \n\t" "pslld $10, %%mm3 \n\t" "por %%mm3, %%mm0 \n\t" MOVNTQ" %%mm0, (%0) \n\t" "add $16, %1 \n\t" "add $8, %0 \n\t" "2: \n\t" "cmp %2, %1 \n\t" " jb 1b \n\t" : "+r" (d), "+r"(s) : "r" (mm_end), "m" (mask3215g), "m" (mask3216br), "m" (mul3215) ); __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { register int rgb = *(const uint32_t*)s; s += 4; *d++ = ((rgb&0xFF)>>3) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>9); } } static inline void RENAME(rgb32tobgr15)(const uint8_t *src, uint8_t *dst, int src_size) { const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; uint16_t *d = (uint16_t *)dst; end = s + src_size; __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); __asm__ volatile( "movq %0, %%mm7 \n\t" "movq %1, %%mm6 \n\t" ::"m"(red_15mask),"m"(green_15mask)); mm_end = end - 15; while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movd (%1), %%mm0 \n\t" "movd 4(%1), %%mm3 \n\t" "punpckldq 8(%1), %%mm0 \n\t" "punpckldq 12(%1), %%mm3 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm3, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "psllq $7, %%mm0 \n\t" "psllq $7, %%mm3 \n\t" "pand %%mm7, %%mm0 \n\t" "pand %%mm7, %%mm3 \n\t" "psrlq $6, %%mm1 \n\t" "psrlq $6, %%mm4 \n\t" "pand %%mm6, %%mm1 \n\t" "pand %%mm6, %%mm4 \n\t" "psrlq $19, %%mm2 \n\t" "psrlq $19, %%mm5 \n\t" "pand %2, %%mm2 \n\t" "pand %2, %%mm5 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm2, %%mm0 \n\t" "por %%mm5, %%mm3 \n\t" "psllq $16, %%mm3 \n\t" "por %%mm3, %%mm0 \n\t" MOVNTQ" %%mm0, (%0) \n\t" ::"r"(d),"r"(s),"m"(blue_15mask):"memory"); d += 4; s += 16; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { register int rgb = *(const uint32_t*)s; s += 4; *d++ = ((rgb&0xF8)<<7) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>19); } } static inline void RENAME(rgb24tobgr16)(const uint8_t *src, uint8_t *dst, int src_size) { const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; uint16_t *d = (uint16_t *)dst; end = s + src_size; __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); __asm__ volatile( "movq %0, %%mm7 \n\t" "movq %1, %%mm6 \n\t" ::"m"(red_16mask),"m"(green_16mask)); mm_end = end - 11; while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movd (%1), %%mm0 \n\t" "movd 3(%1), %%mm3 \n\t" "punpckldq 6(%1), %%mm0 \n\t" "punpckldq 9(%1), %%mm3 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm3, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "psrlq $3, %%mm0 \n\t" "psrlq $3, %%mm3 \n\t" "pand %2, %%mm0 \n\t" "pand %2, %%mm3 \n\t" "psrlq $5, %%mm1 \n\t" "psrlq $5, %%mm4 \n\t" "pand %%mm6, %%mm1 \n\t" "pand %%mm6, %%mm4 \n\t" "psrlq $8, %%mm2 \n\t" "psrlq $8, %%mm5 \n\t" "pand %%mm7, %%mm2 \n\t" "pand %%mm7, %%mm5 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm2, %%mm0 \n\t" "por %%mm5, %%mm3 \n\t" "psllq $16, %%mm3 \n\t" "por %%mm3, %%mm0 \n\t" MOVNTQ" %%mm0, (%0) \n\t" ::"r"(d),"r"(s),"m"(blue_16mask):"memory"); d += 4; s += 12; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { const int b = *s++; const int g = *s++; const int r = *s++; *d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8); } } static inline void RENAME(rgb24to16)(const uint8_t *src, uint8_t *dst, int src_size) { const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; uint16_t *d = (uint16_t *)dst; end = s + src_size; __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); __asm__ volatile( "movq %0, %%mm7 \n\t" "movq %1, %%mm6 \n\t" ::"m"(red_16mask),"m"(green_16mask)); mm_end = end - 15; while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movd (%1), %%mm0 \n\t" "movd 3(%1), %%mm3 \n\t" "punpckldq 6(%1), %%mm0 \n\t" "punpckldq 9(%1), %%mm3 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm3, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "psllq $8, %%mm0 \n\t" "psllq $8, %%mm3 \n\t" "pand %%mm7, %%mm0 \n\t" "pand %%mm7, %%mm3 \n\t" "psrlq $5, %%mm1 \n\t" "psrlq $5, %%mm4 \n\t" "pand %%mm6, %%mm1 \n\t" "pand %%mm6, %%mm4 \n\t" "psrlq $19, %%mm2 \n\t" "psrlq $19, %%mm5 \n\t" "pand %2, %%mm2 \n\t" "pand %2, %%mm5 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm2, %%mm0 \n\t" "por %%mm5, %%mm3 \n\t" "psllq $16, %%mm3 \n\t" "por %%mm3, %%mm0 \n\t" MOVNTQ" %%mm0, (%0) \n\t" ::"r"(d),"r"(s),"m"(blue_16mask):"memory"); d += 4; s += 12; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { const int r = *s++; const int g = *s++; const int b = *s++; *d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8); } } static inline void RENAME(rgb24tobgr15)(const uint8_t *src, uint8_t *dst, int src_size) { const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; uint16_t *d = (uint16_t *)dst; end = s + src_size; __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); __asm__ volatile( "movq %0, %%mm7 \n\t" "movq %1, %%mm6 \n\t" ::"m"(red_15mask),"m"(green_15mask)); mm_end = end - 11; while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movd (%1), %%mm0 \n\t" "movd 3(%1), %%mm3 \n\t" "punpckldq 6(%1), %%mm0 \n\t" "punpckldq 9(%1), %%mm3 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm3, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "psrlq $3, %%mm0 \n\t" "psrlq $3, %%mm3 \n\t" "pand %2, %%mm0 \n\t" "pand %2, %%mm3 \n\t" "psrlq $6, %%mm1 \n\t" "psrlq $6, %%mm4 \n\t" "pand %%mm6, %%mm1 \n\t" "pand %%mm6, %%mm4 \n\t" "psrlq $9, %%mm2 \n\t" "psrlq $9, %%mm5 \n\t" "pand %%mm7, %%mm2 \n\t" "pand %%mm7, %%mm5 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm2, %%mm0 \n\t" "por %%mm5, %%mm3 \n\t" "psllq $16, %%mm3 \n\t" "por %%mm3, %%mm0 \n\t" MOVNTQ" %%mm0, (%0) \n\t" ::"r"(d),"r"(s),"m"(blue_15mask):"memory"); d += 4; s += 12; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { const int b = *s++; const int g = *s++; const int r = *s++; *d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7); } } static inline void RENAME(rgb24to15)(const uint8_t *src, uint8_t *dst, int src_size) { const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; uint16_t *d = (uint16_t *)dst; end = s + src_size; __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); __asm__ volatile( "movq %0, %%mm7 \n\t" "movq %1, %%mm6 \n\t" ::"m"(red_15mask),"m"(green_15mask)); mm_end = end - 15; while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movd (%1), %%mm0 \n\t" "movd 3(%1), %%mm3 \n\t" "punpckldq 6(%1), %%mm0 \n\t" "punpckldq 9(%1), %%mm3 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm3, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "psllq $7, %%mm0 \n\t" "psllq $7, %%mm3 \n\t" "pand %%mm7, %%mm0 \n\t" "pand %%mm7, %%mm3 \n\t" "psrlq $6, %%mm1 \n\t" "psrlq $6, %%mm4 \n\t" "pand %%mm6, %%mm1 \n\t" "pand %%mm6, %%mm4 \n\t" "psrlq $19, %%mm2 \n\t" "psrlq $19, %%mm5 \n\t" "pand %2, %%mm2 \n\t" "pand %2, %%mm5 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm2, %%mm0 \n\t" "por %%mm5, %%mm3 \n\t" "psllq $16, %%mm3 \n\t" "por %%mm3, %%mm0 \n\t" MOVNTQ" %%mm0, (%0) \n\t" ::"r"(d),"r"(s),"m"(blue_15mask):"memory"); d += 4; s += 12; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { const int r = *s++; const int g = *s++; const int b = *s++; *d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7); } } static inline void RENAME(rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size) { const uint16_t *end; const uint16_t *mm_end; uint8_t *d = dst; const uint16_t *s = (const uint16_t*)src; end = s + src_size/2; __asm__ volatile(PREFETCH" %0"::"m"(*s):"memory"); mm_end = end - 7; while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movq (%1), %%mm0 \n\t" "movq (%1), %%mm1 \n\t" "movq (%1), %%mm2 \n\t" "pand %2, %%mm0 \n\t" "pand %3, %%mm1 \n\t" "pand %4, %%mm2 \n\t" "psllq $5, %%mm0 \n\t" "pmulhw "MANGLE(mul15_mid)", %%mm0 \n\t" "pmulhw "MANGLE(mul15_mid)", %%mm1 \n\t" "pmulhw "MANGLE(mul15_hi)", %%mm2 \n\t" "movq %%mm0, %%mm3 \n\t" "movq %%mm1, %%mm4 \n\t" "movq %%mm2, %%mm5 \n\t" "punpcklwd %5, %%mm0 \n\t" "punpcklwd %5, %%mm1 \n\t" "punpcklwd %5, %%mm2 \n\t" "punpckhwd %5, %%mm3 \n\t" "punpckhwd %5, %%mm4 \n\t" "punpckhwd %5, %%mm5 \n\t" "psllq $8, %%mm1 \n\t" "psllq $16, %%mm2 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm2, %%mm0 \n\t" "psllq $8, %%mm4 \n\t" "psllq $16, %%mm5 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm5, %%mm3 \n\t" "movq %%mm0, %%mm6 \n\t" "movq %%mm3, %%mm7 \n\t" "movq 8(%1), %%mm0 \n\t" "movq 8(%1), %%mm1 \n\t" "movq 8(%1), %%mm2 \n\t" "pand %2, %%mm0 \n\t" "pand %3, %%mm1 \n\t" "pand %4, %%mm2 \n\t" "psllq $5, %%mm0 \n\t" "pmulhw "MANGLE(mul15_mid)", %%mm0 \n\t" "pmulhw "MANGLE(mul15_mid)", %%mm1 \n\t" "pmulhw "MANGLE(mul15_hi)", %%mm2 \n\t" "movq %%mm0, %%mm3 \n\t" "movq %%mm1, %%mm4 \n\t" "movq %%mm2, %%mm5 \n\t" "punpcklwd %5, %%mm0 \n\t" "punpcklwd %5, %%mm1 \n\t" "punpcklwd %5, %%mm2 \n\t" "punpckhwd %5, %%mm3 \n\t" "punpckhwd %5, %%mm4 \n\t" "punpckhwd %5, %%mm5 \n\t" "psllq $8, %%mm1 \n\t" "psllq $16, %%mm2 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm2, %%mm0 \n\t" "psllq $8, %%mm4 \n\t" "psllq $16, %%mm5 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm5, %%mm3 \n\t" :"=m"(*d) :"r"(s),"m"(mask15b),"m"(mask15g),"m"(mask15r), "m"(mmx_null) :"memory"); /* borrowed 32 to 24 */ __asm__ volatile( "movq %%mm0, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "movq %%mm6, %%mm0 \n\t" "movq %%mm7, %%mm1 \n\t" "movq %%mm4, %%mm6 \n\t" "movq %%mm5, %%mm7 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm1, %%mm3 \n\t" STORE_BGR24_MMX :: "r"(d), "m"(*s) :"memory"); d += 24; s += 8; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { register uint16_t bgr; bgr = *s++; *d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2); *d++ = ((bgr&0x3E0)>>2) | ((bgr&0x3E0)>>7); *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12); } } static inline void RENAME(rgb16tobgr24)(const uint8_t *src, uint8_t *dst, int src_size) { const uint16_t *end; const uint16_t *mm_end; uint8_t *d = (uint8_t *)dst; const uint16_t *s = (const uint16_t *)src; end = s + src_size/2; __asm__ volatile(PREFETCH" %0"::"m"(*s):"memory"); mm_end = end - 7; while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movq (%1), %%mm0 \n\t" "movq (%1), %%mm1 \n\t" "movq (%1), %%mm2 \n\t" "pand %2, %%mm0 \n\t" "pand %3, %%mm1 \n\t" "pand %4, %%mm2 \n\t" "psllq $5, %%mm0 \n\t" "psrlq $1, %%mm2 \n\t" "pmulhw "MANGLE(mul15_mid)", %%mm0 \n\t" "pmulhw "MANGLE(mul16_mid)", %%mm1 \n\t" "pmulhw "MANGLE(mul15_hi)", %%mm2 \n\t" "movq %%mm0, %%mm3 \n\t" "movq %%mm1, %%mm4 \n\t" "movq %%mm2, %%mm5 \n\t" "punpcklwd %5, %%mm0 \n\t" "punpcklwd %5, %%mm1 \n\t" "punpcklwd %5, %%mm2 \n\t" "punpckhwd %5, %%mm3 \n\t" "punpckhwd %5, %%mm4 \n\t" "punpckhwd %5, %%mm5 \n\t" "psllq $8, %%mm1 \n\t" "psllq $16, %%mm2 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm2, %%mm0 \n\t" "psllq $8, %%mm4 \n\t" "psllq $16, %%mm5 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm5, %%mm3 \n\t" "movq %%mm0, %%mm6 \n\t" "movq %%mm3, %%mm7 \n\t" "movq 8(%1), %%mm0 \n\t" "movq 8(%1), %%mm1 \n\t" "movq 8(%1), %%mm2 \n\t" "pand %2, %%mm0 \n\t" "pand %3, %%mm1 \n\t" "pand %4, %%mm2 \n\t" "psllq $5, %%mm0 \n\t" "psrlq $1, %%mm2 \n\t" "pmulhw "MANGLE(mul15_mid)", %%mm0 \n\t" "pmulhw "MANGLE(mul16_mid)", %%mm1 \n\t" "pmulhw "MANGLE(mul15_hi)", %%mm2 \n\t" "movq %%mm0, %%mm3 \n\t" "movq %%mm1, %%mm4 \n\t" "movq %%mm2, %%mm5 \n\t" "punpcklwd %5, %%mm0 \n\t" "punpcklwd %5, %%mm1 \n\t" "punpcklwd %5, %%mm2 \n\t" "punpckhwd %5, %%mm3 \n\t" "punpckhwd %5, %%mm4 \n\t" "punpckhwd %5, %%mm5 \n\t" "psllq $8, %%mm1 \n\t" "psllq $16, %%mm2 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm2, %%mm0 \n\t" "psllq $8, %%mm4 \n\t" "psllq $16, %%mm5 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm5, %%mm3 \n\t" :"=m"(*d) :"r"(s),"m"(mask16b),"m"(mask16g),"m"(mask16r),"m"(mmx_null) :"memory"); /* borrowed 32 to 24 */ __asm__ volatile( "movq %%mm0, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "movq %%mm6, %%mm0 \n\t" "movq %%mm7, %%mm1 \n\t" "movq %%mm4, %%mm6 \n\t" "movq %%mm5, %%mm7 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm1, %%mm3 \n\t" STORE_BGR24_MMX :: "r"(d), "m"(*s) :"memory"); d += 24; s += 8; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { register uint16_t bgr; bgr = *s++; *d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2); *d++ = ((bgr&0x7E0)>>3) | ((bgr&0x7E0)>>9); *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13); } } /* * mm0 = 00 B3 00 B2 00 B1 00 B0 * mm1 = 00 G3 00 G2 00 G1 00 G0 * mm2 = 00 R3 00 R2 00 R1 00 R0 * mm6 = FF FF FF FF FF FF FF FF * mm7 = 00 00 00 00 00 00 00 00 */ #define PACK_RGB32 \ "packuswb %%mm7, %%mm0 \n\t" /* 00 00 00 00 B3 B2 B1 B0 */ \ "packuswb %%mm7, %%mm1 \n\t" /* 00 00 00 00 G3 G2 G1 G0 */ \ "packuswb %%mm7, %%mm2 \n\t" /* 00 00 00 00 R3 R2 R1 R0 */ \ "punpcklbw %%mm1, %%mm0 \n\t" /* G3 B3 G2 B2 G1 B1 G0 B0 */ \ "punpcklbw %%mm6, %%mm2 \n\t" /* FF R3 FF R2 FF R1 FF R0 */ \ "movq %%mm0, %%mm3 \n\t" \ "punpcklwd %%mm2, %%mm0 \n\t" /* FF R1 G1 B1 FF R0 G0 B0 */ \ "punpckhwd %%mm2, %%mm3 \n\t" /* FF R3 G3 B3 FF R2 G2 B2 */ \ MOVNTQ" %%mm0, (%0) \n\t" \ MOVNTQ" %%mm3, 8(%0) \n\t" \ static inline void RENAME(rgb15to32)(const uint8_t *src, uint8_t *dst, int src_size) { const uint16_t *end; const uint16_t *mm_end; uint8_t *d = dst; const uint16_t *s = (const uint16_t *)src; end = s + src_size/2; __asm__ volatile(PREFETCH" %0"::"m"(*s):"memory"); __asm__ volatile("pxor %%mm7,%%mm7 \n\t":::"memory"); __asm__ volatile("pcmpeqd %%mm6,%%mm6 \n\t":::"memory"); mm_end = end - 3; while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movq (%1), %%mm0 \n\t" "movq (%1), %%mm1 \n\t" "movq (%1), %%mm2 \n\t" "pand %2, %%mm0 \n\t" "pand %3, %%mm1 \n\t" "pand %4, %%mm2 \n\t" "psllq $5, %%mm0 \n\t" "pmulhw %5, %%mm0 \n\t" "pmulhw %5, %%mm1 \n\t" "pmulhw "MANGLE(mul15_hi)", %%mm2 \n\t" PACK_RGB32 ::"r"(d),"r"(s),"m"(mask15b),"m"(mask15g),"m"(mask15r) ,"m"(mul15_mid) :"memory"); d += 16; s += 4; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { register uint16_t bgr; bgr = *s++; *d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2); *d++ = ((bgr&0x3E0)>>2) | ((bgr&0x3E0)>>7); *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12); *d++ = 255; } } static inline void RENAME(rgb16to32)(const uint8_t *src, uint8_t *dst, int src_size) { const uint16_t *end; const uint16_t *mm_end; uint8_t *d = dst; const uint16_t *s = (const uint16_t*)src; end = s + src_size/2; __asm__ volatile(PREFETCH" %0"::"m"(*s):"memory"); __asm__ volatile("pxor %%mm7,%%mm7 \n\t":::"memory"); __asm__ volatile("pcmpeqd %%mm6,%%mm6 \n\t":::"memory"); mm_end = end - 3; while (s < mm_end) { __asm__ volatile( PREFETCH" 32(%1) \n\t" "movq (%1), %%mm0 \n\t" "movq (%1), %%mm1 \n\t" "movq (%1), %%mm2 \n\t" "pand %2, %%mm0 \n\t" "pand %3, %%mm1 \n\t" "pand %4, %%mm2 \n\t" "psllq $5, %%mm0 \n\t" "psrlq $1, %%mm2 \n\t" "pmulhw %5, %%mm0 \n\t" "pmulhw "MANGLE(mul16_mid)", %%mm1 \n\t" "pmulhw "MANGLE(mul15_hi)", %%mm2 \n\t" PACK_RGB32 ::"r"(d),"r"(s),"m"(mask16b),"m"(mask16g),"m"(mask16r),"m"(mul15_mid) :"memory"); d += 16; s += 4; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { register uint16_t bgr; bgr = *s++; *d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2); *d++ = ((bgr&0x7E0)>>3) | ((bgr&0x7E0)>>9); *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13); *d++ = 255; } } static inline void RENAME(shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size) { x86_reg idx = 15 - src_size; const uint8_t *s = src-idx; uint8_t *d = dst-idx; __asm__ volatile( "test %0, %0 \n\t" "jns 2f \n\t" PREFETCH" (%1, %0) \n\t" "movq %3, %%mm7 \n\t" "pxor %4, %%mm7 \n\t" "movq %%mm7, %%mm6 \n\t" "pxor %5, %%mm7 \n\t" ".p2align 4 \n\t" "1: \n\t" PREFETCH" 32(%1, %0) \n\t" "movq (%1, %0), %%mm0 \n\t" "movq 8(%1, %0), %%mm1 \n\t" # if COMPILE_TEMPLATE_MMXEXT "pshufw $177, %%mm0, %%mm3 \n\t" "pshufw $177, %%mm1, %%mm5 \n\t" "pand %%mm7, %%mm0 \n\t" "pand %%mm6, %%mm3 \n\t" "pand %%mm7, %%mm1 \n\t" "pand %%mm6, %%mm5 \n\t" "por %%mm3, %%mm0 \n\t" "por %%mm5, %%mm1 \n\t" # else "movq %%mm0, %%mm2 \n\t" "movq %%mm1, %%mm4 \n\t" "pand %%mm7, %%mm0 \n\t" "pand %%mm6, %%mm2 \n\t" "pand %%mm7, %%mm1 \n\t" "pand %%mm6, %%mm4 \n\t" "movq %%mm2, %%mm3 \n\t" "movq %%mm4, %%mm5 \n\t" "pslld $16, %%mm2 \n\t" "psrld $16, %%mm3 \n\t" "pslld $16, %%mm4 \n\t" "psrld $16, %%mm5 \n\t" "por %%mm2, %%mm0 \n\t" "por %%mm4, %%mm1 \n\t" "por %%mm3, %%mm0 \n\t" "por %%mm5, %%mm1 \n\t" # endif MOVNTQ" %%mm0, (%2, %0) \n\t" MOVNTQ" %%mm1, 8(%2, %0) \n\t" "add $16, %0 \n\t" "js 1b \n\t" SFENCE" \n\t" EMMS" \n\t" "2: \n\t" : "+&r"(idx) : "r" (s), "r" (d), "m" (mask32b), "m" (mask32r), "m" (mmx_one) : "memory"); for (; idx<15; idx+=4) { register int v = *(const uint32_t *)&s[idx], g = v & 0xff00ff00; v &= 0xff00ff; *(uint32_t *)&d[idx] = (v>>16) + g + (v<<16); } } static inline void RENAME(rgb24tobgr24)(const uint8_t *src, uint8_t *dst, int src_size) { unsigned i; x86_reg mmx_size= 23 - src_size; __asm__ volatile ( "test %%"REG_a", %%"REG_a" \n\t" "jns 2f \n\t" "movq "MANGLE(mask24r)", %%mm5 \n\t" "movq "MANGLE(mask24g)", %%mm6 \n\t" "movq "MANGLE(mask24b)", %%mm7 \n\t" ".p2align 4 \n\t" "1: \n\t" PREFETCH" 32(%1, %%"REG_a") \n\t" "movq (%1, %%"REG_a"), %%mm0 \n\t" // BGR BGR BG "movq (%1, %%"REG_a"), %%mm1 \n\t" // BGR BGR BG "movq 2(%1, %%"REG_a"), %%mm2 \n\t" // R BGR BGR B "psllq $16, %%mm0 \n\t" // 00 BGR BGR "pand %%mm5, %%mm0 \n\t" "pand %%mm6, %%mm1 \n\t" "pand %%mm7, %%mm2 \n\t" "por %%mm0, %%mm1 \n\t" "por %%mm2, %%mm1 \n\t" "movq 6(%1, %%"REG_a"), %%mm0 \n\t" // BGR BGR BG MOVNTQ" %%mm1, (%2, %%"REG_a") \n\t" // RGB RGB RG "movq 8(%1, %%"REG_a"), %%mm1 \n\t" // R BGR BGR B "movq 10(%1, %%"REG_a"), %%mm2 \n\t" // GR BGR BGR "pand %%mm7, %%mm0 \n\t" "pand %%mm5, %%mm1 \n\t" "pand %%mm6, %%mm2 \n\t" "por %%mm0, %%mm1 \n\t" "por %%mm2, %%mm1 \n\t" "movq 14(%1, %%"REG_a"), %%mm0 \n\t" // R BGR BGR B MOVNTQ" %%mm1, 8(%2, %%"REG_a") \n\t" // B RGB RGB R "movq 16(%1, %%"REG_a"), %%mm1 \n\t" // GR BGR BGR "movq 18(%1, %%"REG_a"), %%mm2 \n\t" // BGR BGR BG "pand %%mm6, %%mm0 \n\t" "pand %%mm7, %%mm1 \n\t" "pand %%mm5, %%mm2 \n\t" "por %%mm0, %%mm1 \n\t" "por %%mm2, %%mm1 \n\t" MOVNTQ" %%mm1, 16(%2, %%"REG_a") \n\t" "add $24, %%"REG_a" \n\t" " js 1b \n\t" "2: \n\t" : "+a" (mmx_size) : "r" (src-mmx_size), "r"(dst-mmx_size) ); __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); if (mmx_size==23) return; //finished, was multiple of 8 src+= src_size; dst+= src_size; src_size= 23-mmx_size; src-= src_size; dst-= src_size; for (i=0; i>1; for (y=0; y>1; for (y=0; y>1; for (y=0; y>2; dst[2*x+2]= ( src[x] + 3*src[x+1])>>2; } dst[2*srcWidth-1]= src[srcWidth-1]; dst+= dstStride; for (y=1; y>2; dst[2*x+dstStride+2]= ( src[x+0] + 3*src[x+srcStride+1])>>2; dst[2*x+dstStride+1]= ( src[x+1] + 3*src[x+srcStride ])>>2; dst[2*x +2]= (3*src[x+1] + src[x+srcStride ])>>2; } dst[srcWidth*2 -1 ]= (3*src[srcWidth-1] + src[srcWidth-1 + srcStride])>>2; dst[srcWidth*2 -1 + dstStride]= ( src[srcWidth-1] + 3*src[srcWidth-1 + srcStride])>>2; dst+=dstStride*2; src+=srcStride; } // last line dst[0]= src[0]; for (x=0; x>2; dst[2*x+2]= ( src[x] + 3*src[x+1])>>2; } dst[2*srcWidth-1]= src[srcWidth-1]; __asm__ volatile(EMMS" \n\t" SFENCE" \n\t" :::"memory"); } #endif /* COMPILE_TEMPLATE_MMXEXT || COMPILE_TEMPLATE_AMD3DNOW */ #if !COMPILE_TEMPLATE_AMD3DNOW /** * Height should be a multiple of 2 and width should be a multiple of 16. * (If this is a problem for anyone then tell me, and I will fix it.) * Chrominance data is only taken from every second line, others are ignored. * FIXME: Write HQ version. */ static inline void RENAME(uyvytoyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int width, int height, int lumStride, int chromStride, int srcStride) { int y; const x86_reg chromWidth= width>>1; for (y=0; y>1; for (y=0; y>1); uint8_t* d=dst1+dstStride1*y; x=0; for (;x>1); uint8_t* d=dst2+dstStride2*y; x=0; for (;x>2); const uint8_t* vp=src3+srcStride3*(y>>2); uint8_t* d=dst+dstStride*y; x=0; for (;x>1; dst1[count]= (src0[4*count+2]+src1[4*count+2])>>1; count++; } } #if !COMPILE_TEMPLATE_AMD3DNOW static void RENAME(extract_odd2)(const uint8_t *src, uint8_t *dst0, uint8_t *dst1, x86_reg count) { dst0+= count; dst1+= count; src += 4*count; count= - count; if(count <= -8) { count += 7; __asm__ volatile( "pcmpeqw %%mm7, %%mm7 \n\t" "psrlw $8, %%mm7 \n\t" "1: \n\t" "movq -28(%1, %0, 4), %%mm0 \n\t" "movq -20(%1, %0, 4), %%mm1 \n\t" "movq -12(%1, %0, 4), %%mm2 \n\t" "movq -4(%1, %0, 4), %%mm3 \n\t" "psrlw $8, %%mm0 \n\t" "psrlw $8, %%mm1 \n\t" "psrlw $8, %%mm2 \n\t" "psrlw $8, %%mm3 \n\t" "packuswb %%mm1, %%mm0 \n\t" "packuswb %%mm3, %%mm2 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm2, %%mm3 \n\t" "psrlw $8, %%mm0 \n\t" "psrlw $8, %%mm2 \n\t" "pand %%mm7, %%mm1 \n\t" "pand %%mm7, %%mm3 \n\t" "packuswb %%mm2, %%mm0 \n\t" "packuswb %%mm3, %%mm1 \n\t" MOVNTQ" %%mm0,- 7(%3, %0) \n\t" MOVNTQ" %%mm1,- 7(%2, %0) \n\t" "add $8, %0 \n\t" " js 1b \n\t" : "+r"(count) : "r"(src), "r"(dst0), "r"(dst1) ); count -= 7; } src++; while(count<0) { dst0[count]= src[4*count+0]; dst1[count]= src[4*count+2]; count++; } } #endif /* !COMPILE_TEMPLATE_AMD3DNOW */ static void RENAME(extract_odd2avg)(const uint8_t *src0, const uint8_t *src1, uint8_t *dst0, uint8_t *dst1, x86_reg count) { dst0 += count; dst1 += count; src0 += 4*count; src1 += 4*count; count= - count; #ifdef PAVGB if(count <= -8) { count += 7; __asm__ volatile( "pcmpeqw %%mm7, %%mm7 \n\t" "psrlw $8, %%mm7 \n\t" "1: \n\t" "movq -28(%1, %0, 4), %%mm0 \n\t" "movq -20(%1, %0, 4), %%mm1 \n\t" "movq -12(%1, %0, 4), %%mm2 \n\t" "movq -4(%1, %0, 4), %%mm3 \n\t" PAVGB" -28(%2, %0, 4), %%mm0 \n\t" PAVGB" -20(%2, %0, 4), %%mm1 \n\t" PAVGB" -12(%2, %0, 4), %%mm2 \n\t" PAVGB" - 4(%2, %0, 4), %%mm3 \n\t" "psrlw $8, %%mm0 \n\t" "psrlw $8, %%mm1 \n\t" "psrlw $8, %%mm2 \n\t" "psrlw $8, %%mm3 \n\t" "packuswb %%mm1, %%mm0 \n\t" "packuswb %%mm3, %%mm2 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm2, %%mm3 \n\t" "psrlw $8, %%mm0 \n\t" "psrlw $8, %%mm2 \n\t" "pand %%mm7, %%mm1 \n\t" "pand %%mm7, %%mm3 \n\t" "packuswb %%mm2, %%mm0 \n\t" "packuswb %%mm3, %%mm1 \n\t" MOVNTQ" %%mm0,- 7(%4, %0) \n\t" MOVNTQ" %%mm1,- 7(%3, %0) \n\t" "add $8, %0 \n\t" " js 1b \n\t" : "+r"(count) : "r"(src0), "r"(src1), "r"(dst0), "r"(dst1) ); count -= 7; } #endif src0++; src1++; while(count<0) { dst0[count]= (src0[4*count+0]+src1[4*count+0])>>1; dst1[count]= (src0[4*count+2]+src1[4*count+2])>>1; count++; } } static void RENAME(yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride) { int y; const int chromWidth= -((-width)>>1); for (y=0; y>1); for (y=0; y>1); for (y=0; y>1); for (y=0; y