mirror of https://git.ffmpeg.org/ffmpeg.git
optimized rgb24to16 stuff
Originally committed as revision 2741 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Nick Kurshev
parent
761635727d
commit
3eb2151c15
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@ -19,6 +19,9 @@ static const uint64_t mask24h __attribute__((aligned(8))) = 0x0000FFFFFF000000U
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static const uint64_t mask15b __attribute__((aligned(8))) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */
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static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
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static const uint64_t mask15s __attribute__((aligned(8))) = 0xFFE0FFE0FFE0FFE0ULL;
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static const uint64_t red_mask __attribute__((aligned(8))) = 0x0000f8000000f800ULL;
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static const uint64_t green_mask __attribute__((aligned(8)))= 0x000007e0000007e0ULL;
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static const uint64_t blue_mask __attribute__((aligned(8))) = 0x0000001f0000001fULL;
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#endif
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void rgb24to32(const uint8_t *src,uint8_t *dst,unsigned src_size)
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@ -32,9 +35,9 @@ void rgb24to32(const uint8_t *src,uint8_t *dst,unsigned src_size)
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end = s + src_size;
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#ifdef HAVE_MMX
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__asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
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mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*2))*(MMREG_SIZE*2));
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mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*4))*(MMREG_SIZE*4));
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__asm __volatile("movq %0, %%mm7"::"m"(mask32):"memory");
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if(mm_end == end) mm_end -= MMREG_SIZE*2;
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if(mm_end == end) mm_end -= MMREG_SIZE*4;
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while(s < mm_end)
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{
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__asm __volatile(
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@ -253,26 +256,24 @@ void rgb32to15(const uint8_t *src, uint8_t *dst, unsigned src_size)
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void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
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{
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unsigned j,i,num_pixels=src_size/3;
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#ifdef HAVE_MMX
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const uint8_t *s = src;
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const uint8_t *end,*mm_end;
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uint16_t *d = (uint16_t *)dst;
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#if 0/*def HAVE_MMX*/
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unsigned mm_npix;
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const uint64_t mm_fc = 0xFCFCFCFCFCFCFCFCULL, mm_f8 = 0xF8F8F8F8F8F8F8F8ULL;
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mm_npix = ((num_pixels)/(MMREG_SIZE*2))*(MMREG_SIZE*2);
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num_pixels -= mm_npix;
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end = s + src_size;
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mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*2))*(MMREG_SIZE*2));
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__asm __volatile(PREFETCH" %0"::"m"(*src):"memory");
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__asm __volatile(
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"movq %0, %%mm7\n\t"
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"movq %1, %%mm6\n\t"
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::"m"(mm_fc),"m"(mm_f8));
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for(j=0,i=0;j<mm_npix;j+=4,i+=12)
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::"m"(red_mask),"m"(green_mask));
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while(s < mm_end)
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{
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__asm __volatile(
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PREFETCH" 32%1\n\t"
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"movd %1, %%mm0\n\t"
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"punpckldq 3%1, %%mm0\n\t"
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"movd 6%1, %%mm3\n\t"
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"movd 3%1, %%mm3\n\t"
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"punpckldq 6%1, %%mm0\n\t"
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"punpckldq 9%1, %%mm3\n\t"
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"movq %%mm0, %%mm1\n\t"
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"movq %%mm0, %%mm2\n\t"
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@ -280,23 +281,39 @@ void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
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"movq %%mm3, %%mm5\n\t"
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"psrlq $3, %%mm0\n\t"
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"psrlq $3, %%mm3\n\t"
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"pand %%mm7, %%mm1\n\t"
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"pand %%mm7, %%mm4\n\t"
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"psllq $3, %%mm1\n\t"
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"psllq $3, %%mm4\n\t"
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"pand %%mm6, %%mm2\n\t"
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"pand %%mm6, %%mm5\n\t"
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"psllq $8, %%mm2\n\t"
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"psllq $8, %%mm5\n\t"
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"pand %2, %%mm0\n\t"
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"pand %2, %%mm3\n\t"
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"psrlq $5, %%mm1\n\t"
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"psrlq $5, %%mm4\n\t"
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"pand %%mm6, %%mm1\n\t"
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"pand %%mm6, %%mm4\n\t"
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"psrlq $8, %%mm2\n\t"
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"psrlq $8, %%mm5\n\t"
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"pand %%mm7, %%mm2\n\t"
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"pand %%mm7, %%mm5\n\t"
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"por %%mm1, %%mm0\n\t"
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"por %%mm2, %%mm0\n\t"
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"por %%mm4, %%mm3\n\t"
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"por %%mm2, %%mm0\n\t"
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"por %%mm5, %%mm3\n\t"
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"punpcklwd %%mm3, %%mm0\n\t"
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"psllq $16, %%mm3\n\t"
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"por %%mm3, %%mm0\n\t"
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MOVNTQ" %%mm0, %0\n\t"
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:"=m"(d[j]):"m"(src[i]):"memory");
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:"=m"(*d):"m"(*s),"m"(blue_mask):"memory");
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d += 4;
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s += 12;
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}
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#endif
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while(s < end)
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{
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const int b= *s++;
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const int g= *s++;
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const int r= *s++;
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*d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
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}
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__asm __volatile(SFENCE:::"memory");
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__asm __volatile(EMMS:::"memory");
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#else
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unsigned j,i,num_pixels=src_size/3;
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uint16_t *d = (uint16_t *)dst;
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for(i=0,j=0; j<num_pixels; i+=3,j++)
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{
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const int b= src[i+0];
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@ -305,6 +322,7 @@ void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
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d[j]= (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
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}
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#endif
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}
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void rgb24to15(const uint8_t *src, uint8_t *dst, unsigned src_size)
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@ -19,6 +19,9 @@ static const uint64_t mask24h __attribute__((aligned(8))) = 0x0000FFFFFF000000U
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static const uint64_t mask15b __attribute__((aligned(8))) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */
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static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
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static const uint64_t mask15s __attribute__((aligned(8))) = 0xFFE0FFE0FFE0FFE0ULL;
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static const uint64_t red_mask __attribute__((aligned(8))) = 0x0000f8000000f800ULL;
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static const uint64_t green_mask __attribute__((aligned(8)))= 0x000007e0000007e0ULL;
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static const uint64_t blue_mask __attribute__((aligned(8))) = 0x0000001f0000001fULL;
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#endif
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void rgb24to32(const uint8_t *src,uint8_t *dst,unsigned src_size)
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@ -32,9 +35,9 @@ void rgb24to32(const uint8_t *src,uint8_t *dst,unsigned src_size)
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end = s + src_size;
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#ifdef HAVE_MMX
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__asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
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mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*2))*(MMREG_SIZE*2));
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mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*4))*(MMREG_SIZE*4));
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__asm __volatile("movq %0, %%mm7"::"m"(mask32):"memory");
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if(mm_end == end) mm_end -= MMREG_SIZE*2;
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if(mm_end == end) mm_end -= MMREG_SIZE*4;
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while(s < mm_end)
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{
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__asm __volatile(
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@ -253,26 +256,24 @@ void rgb32to15(const uint8_t *src, uint8_t *dst, unsigned src_size)
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void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
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{
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unsigned j,i,num_pixels=src_size/3;
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#ifdef HAVE_MMX
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const uint8_t *s = src;
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const uint8_t *end,*mm_end;
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uint16_t *d = (uint16_t *)dst;
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#if 0/*def HAVE_MMX*/
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unsigned mm_npix;
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const uint64_t mm_fc = 0xFCFCFCFCFCFCFCFCULL, mm_f8 = 0xF8F8F8F8F8F8F8F8ULL;
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mm_npix = ((num_pixels)/(MMREG_SIZE*2))*(MMREG_SIZE*2);
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num_pixels -= mm_npix;
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end = s + src_size;
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mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*2))*(MMREG_SIZE*2));
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__asm __volatile(PREFETCH" %0"::"m"(*src):"memory");
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__asm __volatile(
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"movq %0, %%mm7\n\t"
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"movq %1, %%mm6\n\t"
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::"m"(mm_fc),"m"(mm_f8));
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for(j=0,i=0;j<mm_npix;j+=4,i+=12)
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::"m"(red_mask),"m"(green_mask));
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while(s < mm_end)
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{
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__asm __volatile(
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PREFETCH" 32%1\n\t"
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"movd %1, %%mm0\n\t"
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"punpckldq 3%1, %%mm0\n\t"
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"movd 6%1, %%mm3\n\t"
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"movd 3%1, %%mm3\n\t"
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"punpckldq 6%1, %%mm0\n\t"
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"punpckldq 9%1, %%mm3\n\t"
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"movq %%mm0, %%mm1\n\t"
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"movq %%mm0, %%mm2\n\t"
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@ -280,23 +281,39 @@ void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
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"movq %%mm3, %%mm5\n\t"
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"psrlq $3, %%mm0\n\t"
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"psrlq $3, %%mm3\n\t"
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"pand %%mm7, %%mm1\n\t"
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"pand %%mm7, %%mm4\n\t"
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"psllq $3, %%mm1\n\t"
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"psllq $3, %%mm4\n\t"
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"pand %%mm6, %%mm2\n\t"
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"pand %%mm6, %%mm5\n\t"
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"psllq $8, %%mm2\n\t"
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"psllq $8, %%mm5\n\t"
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"pand %2, %%mm0\n\t"
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"pand %2, %%mm3\n\t"
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"psrlq $5, %%mm1\n\t"
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"psrlq $5, %%mm4\n\t"
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"pand %%mm6, %%mm1\n\t"
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"pand %%mm6, %%mm4\n\t"
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"psrlq $8, %%mm2\n\t"
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"psrlq $8, %%mm5\n\t"
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"pand %%mm7, %%mm2\n\t"
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"pand %%mm7, %%mm5\n\t"
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"por %%mm1, %%mm0\n\t"
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"por %%mm2, %%mm0\n\t"
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"por %%mm4, %%mm3\n\t"
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"por %%mm2, %%mm0\n\t"
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"por %%mm5, %%mm3\n\t"
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"punpcklwd %%mm3, %%mm0\n\t"
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"psllq $16, %%mm3\n\t"
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"por %%mm3, %%mm0\n\t"
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MOVNTQ" %%mm0, %0\n\t"
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:"=m"(d[j]):"m"(src[i]):"memory");
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:"=m"(*d):"m"(*s),"m"(blue_mask):"memory");
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d += 4;
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s += 12;
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}
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#endif
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while(s < end)
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{
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const int b= *s++;
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const int g= *s++;
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const int r= *s++;
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*d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
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}
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__asm __volatile(SFENCE:::"memory");
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__asm __volatile(EMMS:::"memory");
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#else
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unsigned j,i,num_pixels=src_size/3;
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uint16_t *d = (uint16_t *)dst;
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for(i=0,j=0; j<num_pixels; i+=3,j++)
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{
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const int b= src[i+0];
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@ -305,6 +322,7 @@ void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
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d[j]= (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
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}
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#endif
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}
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void rgb24to15(const uint8_t *src, uint8_t *dst, unsigned src_size)
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