[SCM] libav/experimental: uyvytoyv12 in MMX (untested)
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 15:30:36 UTC 2013
The following commit has been merged in the experimental branch:
commit ed8c06708e3d8da1fd56933e5f5e5815a884792e
Author: Michael Niedermayer <michaelni at gmx.at>
Date: Sun Nov 11 22:26:15 2001 +0000
uyvytoyv12 in MMX (untested)
Originally committed as revision 2848 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
diff --git a/postproc/rgb2rgb.c b/postproc/rgb2rgb.c
index ab2878f..d345854 100644
--- a/postproc/rgb2rgb.c
+++ b/postproc/rgb2rgb.c
@@ -811,9 +811,9 @@ void yuy2toyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
src += srcStride;
}
#ifdef HAVE_MMX
-asm( EMMS" \n\t"
- SFENCE" \n\t"
- :::"memory");
+asm volatile( EMMS" \n\t"
+ SFENCE" \n\t"
+ :::"memory");
#endif
}
@@ -830,6 +830,89 @@ void uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
const int chromWidth= width>>1;
for(y=0; y<height; y+=2)
{
+#ifdef HAVE_MMX
+ asm volatile(
+ "xorl %%eax, %%eax \n\t"
+ "pcmpeqw %%mm7, %%mm7 \n\t"
+ "psrlw $8, %%mm7 \n\t" // FF,00,FF,00...
+ ".balign 16 \n\t"
+ "1: \n\t"
+ PREFETCH" 64(%0, %%eax, 4) \n\t"
+ "movq (%0, %%eax, 4), %%mm0 \n\t" // UYVY UYVY(0)
+ "movq 8(%0, %%eax, 4), %%mm1 \n\t" // UYVY UYVY(4)
+ "movq %%mm0, %%mm2 \n\t" // UYVY UYVY(0)
+ "movq %%mm1, %%mm3 \n\t" // UYVY UYVY(4)
+ "pand %%mm7, %%mm0 \n\t" // U0V0 U0V0(0)
+ "pand %%mm7, %%mm1 \n\t" // U0V0 U0V0(4)
+ "psrlw $8, %%mm2 \n\t" // Y0Y0 Y0Y0(0)
+ "psrlw $8, %%mm3 \n\t" // Y0Y0 Y0Y0(4)
+ "packuswb %%mm1, %%mm0 \n\t" // UVUV UVUV(0)
+ "packuswb %%mm3, %%mm2 \n\t" // YYYY YYYY(0)
+
+ MOVNTQ" %%mm2, (%1, %%eax, 2) \n\t"
+
+ "movq 16(%0, %%eax, 4), %%mm1 \n\t" // UYVY UYVY(8)
+ "movq 24(%0, %%eax, 4), %%mm2 \n\t" // UYVY UYVY(12)
+ "movq %%mm1, %%mm3 \n\t" // UYVY UYVY(8)
+ "movq %%mm2, %%mm4 \n\t" // UYVY UYVY(12)
+ "pand %%mm7, %%mm1 \n\t" // U0V0 U0V0(8)
+ "pand %%mm7, %%mm2 \n\t" // U0V0 U0V0(12)
+ "psrlw $8, %%mm3 \n\t" // Y0Y0 Y0Y0(8)
+ "psrlw $8, %%mm4 \n\t" // Y0Y0 Y0Y0(12)
+ "packuswb %%mm2, %%mm1 \n\t" // UVUV UVUV(8)
+ "packuswb %%mm4, %%mm3 \n\t" // YYYY YYYY(8)
+
+ MOVNTQ" %%mm3, 8(%1, %%eax, 2) \n\t"
+
+ "movq %%mm0, %%mm2 \n\t" // UVUV UVUV(0)
+ "movq %%mm1, %%mm3 \n\t" // UVUV UVUV(8)
+ "psrlw $8, %%mm0 \n\t" // V0V0 V0V0(0)
+ "psrlw $8, %%mm1 \n\t" // V0V0 V0V0(8)
+ "pand %%mm7, %%mm2 \n\t" // U0U0 U0U0(0)
+ "pand %%mm7, %%mm3 \n\t" // U0U0 U0U0(8)
+ "packuswb %%mm1, %%mm0 \n\t" // VVVV VVVV(0)
+ "packuswb %%mm3, %%mm2 \n\t" // UUUU UUUU(0)
+
+ MOVNTQ" %%mm0, (%3, %%eax) \n\t"
+ MOVNTQ" %%mm2, (%2, %%eax) \n\t"
+
+ "addl $8, %%eax \n\t"
+ "cmpl %4, %%eax \n\t"
+ " jb 1b \n\t"
+ ::"r"(src), "r"(ydst), "r"(udst), "r"(vdst), "r" (chromWidth)
+ : "memory", "%eax"
+ );
+
+ ydst += lumStride;
+ src += srcStride;
+
+ asm volatile(
+ "xorl %%eax, %%eax \n\t"
+ ".balign 16 \n\t"
+ "1: \n\t"
+ PREFETCH" 64(%0, %%eax, 4) \n\t"
+ "movq (%0, %%eax, 4), %%mm0 \n\t" // YUYV YUYV(0)
+ "movq 8(%0, %%eax, 4), %%mm1 \n\t" // YUYV YUYV(4)
+ "movq 16(%0, %%eax, 4), %%mm2 \n\t" // YUYV YUYV(8)
+ "movq 24(%0, %%eax, 4), %%mm3 \n\t" // YUYV YUYV(12)
+ "psrlw $8, %%mm0 \n\t" // Y0Y0 Y0Y0(0)
+ "psrlw $8, %%mm1 \n\t" // Y0Y0 Y0Y0(4)
+ "psrlw $8, %%mm2 \n\t" // Y0Y0 Y0Y0(8)
+ "psrlw $8, %%mm3 \n\t" // Y0Y0 Y0Y0(12)
+ "packuswb %%mm1, %%mm0 \n\t" // YYYY YYYY(0)
+ "packuswb %%mm3, %%mm2 \n\t" // YYYY YYYY(8)
+
+ MOVNTQ" %%mm0, (%1, %%eax, 2) \n\t"
+ MOVNTQ" %%mm2, 8(%1, %%eax, 2) \n\t"
+
+ "addl $8, %%eax \n\t"
+ "cmpl %4, %%eax \n\t"
+ " jb 1b \n\t"
+
+ ::"r"(src), "r"(ydst), "r"(udst), "r"(vdst), "r" (chromWidth)
+ : "memory", "%eax"
+ );
+#else
int i;
for(i=0; i<chromWidth; i++)
{
@@ -846,11 +929,17 @@ void uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
ydst[2*i+0] = src[4*i+1];
ydst[2*i+1] = src[4*i+3];
}
+#endif
udst += chromStride;
vdst += chromStride;
ydst += lumStride;
src += srcStride;
}
+#ifdef HAVE_MMX
+asm volatile( EMMS" \n\t"
+ SFENCE" \n\t"
+ :::"memory");
+#endif
}
diff --git a/postproc/rgb2rgb_template.c b/postproc/rgb2rgb_template.c
index ab2878f..d345854 100644
--- a/postproc/rgb2rgb_template.c
+++ b/postproc/rgb2rgb_template.c
@@ -811,9 +811,9 @@ void yuy2toyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
src += srcStride;
}
#ifdef HAVE_MMX
-asm( EMMS" \n\t"
- SFENCE" \n\t"
- :::"memory");
+asm volatile( EMMS" \n\t"
+ SFENCE" \n\t"
+ :::"memory");
#endif
}
@@ -830,6 +830,89 @@ void uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
const int chromWidth= width>>1;
for(y=0; y<height; y+=2)
{
+#ifdef HAVE_MMX
+ asm volatile(
+ "xorl %%eax, %%eax \n\t"
+ "pcmpeqw %%mm7, %%mm7 \n\t"
+ "psrlw $8, %%mm7 \n\t" // FF,00,FF,00...
+ ".balign 16 \n\t"
+ "1: \n\t"
+ PREFETCH" 64(%0, %%eax, 4) \n\t"
+ "movq (%0, %%eax, 4), %%mm0 \n\t" // UYVY UYVY(0)
+ "movq 8(%0, %%eax, 4), %%mm1 \n\t" // UYVY UYVY(4)
+ "movq %%mm0, %%mm2 \n\t" // UYVY UYVY(0)
+ "movq %%mm1, %%mm3 \n\t" // UYVY UYVY(4)
+ "pand %%mm7, %%mm0 \n\t" // U0V0 U0V0(0)
+ "pand %%mm7, %%mm1 \n\t" // U0V0 U0V0(4)
+ "psrlw $8, %%mm2 \n\t" // Y0Y0 Y0Y0(0)
+ "psrlw $8, %%mm3 \n\t" // Y0Y0 Y0Y0(4)
+ "packuswb %%mm1, %%mm0 \n\t" // UVUV UVUV(0)
+ "packuswb %%mm3, %%mm2 \n\t" // YYYY YYYY(0)
+
+ MOVNTQ" %%mm2, (%1, %%eax, 2) \n\t"
+
+ "movq 16(%0, %%eax, 4), %%mm1 \n\t" // UYVY UYVY(8)
+ "movq 24(%0, %%eax, 4), %%mm2 \n\t" // UYVY UYVY(12)
+ "movq %%mm1, %%mm3 \n\t" // UYVY UYVY(8)
+ "movq %%mm2, %%mm4 \n\t" // UYVY UYVY(12)
+ "pand %%mm7, %%mm1 \n\t" // U0V0 U0V0(8)
+ "pand %%mm7, %%mm2 \n\t" // U0V0 U0V0(12)
+ "psrlw $8, %%mm3 \n\t" // Y0Y0 Y0Y0(8)
+ "psrlw $8, %%mm4 \n\t" // Y0Y0 Y0Y0(12)
+ "packuswb %%mm2, %%mm1 \n\t" // UVUV UVUV(8)
+ "packuswb %%mm4, %%mm3 \n\t" // YYYY YYYY(8)
+
+ MOVNTQ" %%mm3, 8(%1, %%eax, 2) \n\t"
+
+ "movq %%mm0, %%mm2 \n\t" // UVUV UVUV(0)
+ "movq %%mm1, %%mm3 \n\t" // UVUV UVUV(8)
+ "psrlw $8, %%mm0 \n\t" // V0V0 V0V0(0)
+ "psrlw $8, %%mm1 \n\t" // V0V0 V0V0(8)
+ "pand %%mm7, %%mm2 \n\t" // U0U0 U0U0(0)
+ "pand %%mm7, %%mm3 \n\t" // U0U0 U0U0(8)
+ "packuswb %%mm1, %%mm0 \n\t" // VVVV VVVV(0)
+ "packuswb %%mm3, %%mm2 \n\t" // UUUU UUUU(0)
+
+ MOVNTQ" %%mm0, (%3, %%eax) \n\t"
+ MOVNTQ" %%mm2, (%2, %%eax) \n\t"
+
+ "addl $8, %%eax \n\t"
+ "cmpl %4, %%eax \n\t"
+ " jb 1b \n\t"
+ ::"r"(src), "r"(ydst), "r"(udst), "r"(vdst), "r" (chromWidth)
+ : "memory", "%eax"
+ );
+
+ ydst += lumStride;
+ src += srcStride;
+
+ asm volatile(
+ "xorl %%eax, %%eax \n\t"
+ ".balign 16 \n\t"
+ "1: \n\t"
+ PREFETCH" 64(%0, %%eax, 4) \n\t"
+ "movq (%0, %%eax, 4), %%mm0 \n\t" // YUYV YUYV(0)
+ "movq 8(%0, %%eax, 4), %%mm1 \n\t" // YUYV YUYV(4)
+ "movq 16(%0, %%eax, 4), %%mm2 \n\t" // YUYV YUYV(8)
+ "movq 24(%0, %%eax, 4), %%mm3 \n\t" // YUYV YUYV(12)
+ "psrlw $8, %%mm0 \n\t" // Y0Y0 Y0Y0(0)
+ "psrlw $8, %%mm1 \n\t" // Y0Y0 Y0Y0(4)
+ "psrlw $8, %%mm2 \n\t" // Y0Y0 Y0Y0(8)
+ "psrlw $8, %%mm3 \n\t" // Y0Y0 Y0Y0(12)
+ "packuswb %%mm1, %%mm0 \n\t" // YYYY YYYY(0)
+ "packuswb %%mm3, %%mm2 \n\t" // YYYY YYYY(8)
+
+ MOVNTQ" %%mm0, (%1, %%eax, 2) \n\t"
+ MOVNTQ" %%mm2, 8(%1, %%eax, 2) \n\t"
+
+ "addl $8, %%eax \n\t"
+ "cmpl %4, %%eax \n\t"
+ " jb 1b \n\t"
+
+ ::"r"(src), "r"(ydst), "r"(udst), "r"(vdst), "r" (chromWidth)
+ : "memory", "%eax"
+ );
+#else
int i;
for(i=0; i<chromWidth; i++)
{
@@ -846,11 +929,17 @@ void uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
ydst[2*i+0] = src[4*i+1];
ydst[2*i+1] = src[4*i+3];
}
+#endif
udst += chromStride;
vdst += chromStride;
ydst += lumStride;
src += srcStride;
}
+#ifdef HAVE_MMX
+asm volatile( EMMS" \n\t"
+ SFENCE" \n\t"
+ :::"memory");
+#endif
}
--
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