);
}
-static void float_to_int16_3dnow(int16_t *dst, const float *src, long len){
- x86_reg reglen = len;
- // not bit-exact: pf2id uses different rounding than C and SSE
- __asm__ volatile(
- "add %0 , %0 \n\t"
- "lea (%2,%0,2) , %2 \n\t"
- "add %0 , %1 \n\t"
- "neg %0 \n\t"
- "1: \n\t"
- "pf2id (%2,%0,2) , %%mm0 \n\t"
- "pf2id 8(%2,%0,2) , %%mm1 \n\t"
- "pf2id 16(%2,%0,2) , %%mm2 \n\t"
- "pf2id 24(%2,%0,2) , %%mm3 \n\t"
- "packssdw %%mm1 , %%mm0 \n\t"
- "packssdw %%mm3 , %%mm2 \n\t"
- "movq %%mm0 , (%1,%0) \n\t"
- "movq %%mm2 , 8(%1,%0) \n\t"
- "add $16 , %0 \n\t"
- " js 1b \n\t"
- "femms \n\t"
- :"+r"(reglen), "+r"(dst), "+r"(src)
- );
-}
+#if HAVE_YASM
-static void float_to_int16_sse(int16_t *dst, const float *src, long len){
- x86_reg reglen = len;
- __asm__ volatile(
- "add %0 , %0 \n\t"
- "lea (%2,%0,2) , %2 \n\t"
- "add %0 , %1 \n\t"
- "neg %0 \n\t"
- "1: \n\t"
- "cvtps2pi (%2,%0,2) , %%mm0 \n\t"
- "cvtps2pi 8(%2,%0,2) , %%mm1 \n\t"
- "cvtps2pi 16(%2,%0,2) , %%mm2 \n\t"
- "cvtps2pi 24(%2,%0,2) , %%mm3 \n\t"
- "packssdw %%mm1 , %%mm0 \n\t"
- "packssdw %%mm3 , %%mm2 \n\t"
- "movq %%mm0 , (%1,%0) \n\t"
- "movq %%mm2 , 8(%1,%0) \n\t"
- "add $16 , %0 \n\t"
- " js 1b \n\t"
- "emms \n\t"
- :"+r"(reglen), "+r"(dst), "+r"(src)
- );
-}
-
-static void float_to_int16_sse2(int16_t *dst, const float *src, long len){
- x86_reg reglen = len;
- __asm__ volatile(
- "add %0 , %0 \n\t"
- "lea (%2,%0,2) , %2 \n\t"
- "add %0 , %1 \n\t"
- "neg %0 \n\t"
- "1: \n\t"
- "cvtps2dq (%2,%0,2) , %%xmm0 \n\t"
- "cvtps2dq 16(%2,%0,2) , %%xmm1 \n\t"
- "packssdw %%xmm1 , %%xmm0 \n\t"
- "movdqa %%xmm0 , (%1,%0) \n\t"
- "add $16 , %0 \n\t"
- " js 1b \n\t"
- :"+r"(reglen), "+r"(dst), "+r"(src)
- );
-}
+void ff_float_to_int16_3dnow(int16_t *dst, const float *src, long len);
+void ff_float_to_int16_sse (int16_t *dst, const float *src, long len);
+void ff_float_to_int16_sse2 (int16_t *dst, const float *src, long len);
void ff_float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len);
void ff_float_to_int16_interleave6_3dnow(int16_t *dst, const float **src, int len);
void ff_float_to_int16_interleave6_3dn2(int16_t *dst, const float **src, int len);
-#if !HAVE_YASM
-#define ff_float_to_int16_interleave6_sse(a,b,c) float_to_int16_interleave_misc_sse(a,b,c,6)
-#define ff_float_to_int16_interleave6_3dnow(a,b,c) float_to_int16_interleave_misc_3dnow(a,b,c,6)
-#define ff_float_to_int16_interleave6_3dn2(a,b,c) float_to_int16_interleave_misc_3dnow(a,b,c,6)
-#endif
#define ff_float_to_int16_interleave6_sse2 ff_float_to_int16_interleave6_sse
#define FLOAT_TO_INT16_INTERLEAVE(cpu, body) \
DECLARE_ALIGNED(16, int16_t, tmp)[len];\
int i,j,c;\
for(c=0; c<channels; c++){\
- float_to_int16_##cpu(tmp, src[c], len);\
+ ff_float_to_int16_##cpu(tmp, src[c], len);\
for(i=0, j=c; i<len; i++, j+=channels)\
dst[j] = tmp[i];\
}\
\
static void float_to_int16_interleave_##cpu(int16_t *dst, const float **src, long len, int channels){\
if(channels==1)\
- float_to_int16_##cpu(dst, src[0], len);\
+ ff_float_to_int16_##cpu(dst, src[0], len);\
else if(channels==2){\
x86_reg reglen = len; \
const float *src0 = src[0];\
float_to_int16_interleave_3dnow(dst, src, len, channels);
}
-#if HAVE_YASM
void ff_float_interleave2_mmx(float *dst, const float **src, unsigned int len);
void ff_float_interleave2_sse(float *dst, const float **src, unsigned int len);
if (mm_flags & AV_CPU_FLAG_MMX) {
#if HAVE_YASM
c->float_interleave = float_interleave_mmx;
-#endif
if(mm_flags & AV_CPU_FLAG_3DNOW){
if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
- c->float_to_int16 = float_to_int16_3dnow;
+ c->float_to_int16 = ff_float_to_int16_3dnow;
c->float_to_int16_interleave = float_to_int16_interleave_3dnow;
}
}
c->float_to_int16_interleave = float_to_int16_interleave_3dn2;
}
}
+#endif
if(mm_flags & AV_CPU_FLAG_SSE){
c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_sse;
- c->float_to_int16 = float_to_int16_sse;
- c->float_to_int16_interleave = float_to_int16_interleave_sse;
#if HAVE_YASM
+ c->float_to_int16 = ff_float_to_int16_sse;
+ c->float_to_int16_interleave = float_to_int16_interleave_sse;
c->float_interleave = float_interleave_sse;
#endif
}
if(mm_flags & AV_CPU_FLAG_SSE2){
c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_sse2;
- c->float_to_int16 = float_to_int16_sse2;
+#if HAVE_YASM
+ c->float_to_int16 = ff_float_to_int16_sse2;
c->float_to_int16_interleave = float_to_int16_interleave_sse2;
+#endif
}
}
}