diff options
Diffstat (limited to 'liba52')
| -rw-r--r-- | liba52/resample.c | 38 | ||||
| -rw-r--r-- | liba52/resample_c.c | 38 | ||||
| -rw-r--r-- | liba52/resample_mmx.c | 38 |
3 files changed, 114 insertions, 0 deletions
diff --git a/liba52/resample.c b/liba52/resample.c index 356220b128..5a26a531dc 100644 --- a/liba52/resample.c +++ b/liba52/resample.c @@ -311,6 +311,43 @@ int a52_resample(float * _f, int16_t * s16) #endif break; case A52_3F | A52_LFE: +#ifdef HAVE_MMX + asm volatile( + "movl $-1024, %%esi \n\t" + "movq magicF2W, %%mm7 \n\t" + "pxor %%mm6, %%mm6 \n\t" + "1: \n\t" + "movq 1024(%1, %%esi), %%mm0 \n\t" + "movq 3072(%1, %%esi), %%mm1 \n\t" + "movq 2048(%1, %%esi), %%mm4 \n\t" + "movq (%1, %%esi), %%mm5 \n\t" + "psubd %%mm7, %%mm0 \n\t" + "psubd %%mm7, %%mm1 \n\t" + "psubd %%mm7, %%mm4 \n\t" + "psubd %%mm7, %%mm5 \n\t" + "leal (%%esi, %%esi, 2), %%edi \n\t" + + "packssdw %%mm4, %%mm0 \n\t" // EeAa + "packssdw %%mm5, %%mm1 \n\t" // FfBb + "movq %%mm0, %%mm2 \n\t" // EeAa + "punpcklwd %%mm1, %%mm0 \n\t" // BAba + "punpckhwd %%mm1, %%mm2 \n\t" // FEfe + "movq %%mm0, %%mm1 \n\t" // BAba + "punpckldq %%mm6, %%mm0 \n\t" // 00ba + "punpckhdq %%mm1, %%mm1 \n\t" // BABA + + "movq %%mm0, (%0, %%edi) \n\t" + "punpckhdq %%mm2, %%mm0 \n\t" // FE00 + "punpckldq %%mm1, %%mm2 \n\t" // BAfe + "movq %%mm2, 8(%0, %%edi) \n\t" + "movq %%mm0, 16(%0, %%edi) \n\t" + "addl $8, %%esi \n\t" + " jnz 1b \n\t" + "emms \n\t" + :: "r" (s16+1536), "r" (f+256) + :"%esi", "%edi", "memory" + ); +#else for (i = 0; i < 256; i++) { s16[6*i] = convert (f[i+256]); s16[6*i+1] = convert (f[i+768]); @@ -318,6 +355,7 @@ int a52_resample(float * _f, int16_t * s16) s16[6*i+4] = convert (f[i+512]); s16[6*i+5] = convert (f[i]); } +#endif break; case A52_2F2R | A52_LFE: #ifdef HAVE_MMX diff --git a/liba52/resample_c.c b/liba52/resample_c.c index 356220b128..5a26a531dc 100644 --- a/liba52/resample_c.c +++ b/liba52/resample_c.c @@ -311,6 +311,43 @@ int a52_resample(float * _f, int16_t * s16) #endif break; case A52_3F | A52_LFE: +#ifdef HAVE_MMX + asm volatile( + "movl $-1024, %%esi \n\t" + "movq magicF2W, %%mm7 \n\t" + "pxor %%mm6, %%mm6 \n\t" + "1: \n\t" + "movq 1024(%1, %%esi), %%mm0 \n\t" + "movq 3072(%1, %%esi), %%mm1 \n\t" + "movq 2048(%1, %%esi), %%mm4 \n\t" + "movq (%1, %%esi), %%mm5 \n\t" + "psubd %%mm7, %%mm0 \n\t" + "psubd %%mm7, %%mm1 \n\t" + "psubd %%mm7, %%mm4 \n\t" + "psubd %%mm7, %%mm5 \n\t" + "leal (%%esi, %%esi, 2), %%edi \n\t" + + "packssdw %%mm4, %%mm0 \n\t" // EeAa + "packssdw %%mm5, %%mm1 \n\t" // FfBb + "movq %%mm0, %%mm2 \n\t" // EeAa + "punpcklwd %%mm1, %%mm0 \n\t" // BAba + "punpckhwd %%mm1, %%mm2 \n\t" // FEfe + "movq %%mm0, %%mm1 \n\t" // BAba + "punpckldq %%mm6, %%mm0 \n\t" // 00ba + "punpckhdq %%mm1, %%mm1 \n\t" // BABA + + "movq %%mm0, (%0, %%edi) \n\t" + "punpckhdq %%mm2, %%mm0 \n\t" // FE00 + "punpckldq %%mm1, %%mm2 \n\t" // BAfe + "movq %%mm2, 8(%0, %%edi) \n\t" + "movq %%mm0, 16(%0, %%edi) \n\t" + "addl $8, %%esi \n\t" + " jnz 1b \n\t" + "emms \n\t" + :: "r" (s16+1536), "r" (f+256) + :"%esi", "%edi", "memory" + ); +#else for (i = 0; i < 256; i++) { s16[6*i] = convert (f[i+256]); s16[6*i+1] = convert (f[i+768]); @@ -318,6 +355,7 @@ int a52_resample(float * _f, int16_t * s16) s16[6*i+4] = convert (f[i+512]); s16[6*i+5] = convert (f[i]); } +#endif break; case A52_2F2R | A52_LFE: #ifdef HAVE_MMX diff --git a/liba52/resample_mmx.c b/liba52/resample_mmx.c index 356220b128..5a26a531dc 100644 --- a/liba52/resample_mmx.c +++ b/liba52/resample_mmx.c @@ -311,6 +311,43 @@ int a52_resample(float * _f, int16_t * s16) #endif break; case A52_3F | A52_LFE: +#ifdef HAVE_MMX + asm volatile( + "movl $-1024, %%esi \n\t" + "movq magicF2W, %%mm7 \n\t" + "pxor %%mm6, %%mm6 \n\t" + "1: \n\t" + "movq 1024(%1, %%esi), %%mm0 \n\t" + "movq 3072(%1, %%esi), %%mm1 \n\t" + "movq 2048(%1, %%esi), %%mm4 \n\t" + "movq (%1, %%esi), %%mm5 \n\t" + "psubd %%mm7, %%mm0 \n\t" + "psubd %%mm7, %%mm1 \n\t" + "psubd %%mm7, %%mm4 \n\t" + "psubd %%mm7, %%mm5 \n\t" + "leal (%%esi, %%esi, 2), %%edi \n\t" + + "packssdw %%mm4, %%mm0 \n\t" // EeAa + "packssdw %%mm5, %%mm1 \n\t" // FfBb + "movq %%mm0, %%mm2 \n\t" // EeAa + "punpcklwd %%mm1, %%mm0 \n\t" // BAba + "punpckhwd %%mm1, %%mm2 \n\t" // FEfe + "movq %%mm0, %%mm1 \n\t" // BAba + "punpckldq %%mm6, %%mm0 \n\t" // 00ba + "punpckhdq %%mm1, %%mm1 \n\t" // BABA + + "movq %%mm0, (%0, %%edi) \n\t" + "punpckhdq %%mm2, %%mm0 \n\t" // FE00 + "punpckldq %%mm1, %%mm2 \n\t" // BAfe + "movq %%mm2, 8(%0, %%edi) \n\t" + "movq %%mm0, 16(%0, %%edi) \n\t" + "addl $8, %%esi \n\t" + " jnz 1b \n\t" + "emms \n\t" + :: "r" (s16+1536), "r" (f+256) + :"%esi", "%edi", "memory" + ); +#else for (i = 0; i < 256; i++) { s16[6*i] = convert (f[i+256]); s16[6*i+1] = convert (f[i+768]); @@ -318,6 +355,7 @@ int a52_resample(float * _f, int16_t * s16) s16[6*i+4] = convert (f[i+512]); s16[6*i+5] = convert (f[i]); } +#endif break; case A52_2F2R | A52_LFE: #ifdef HAVE_MMX |