Merge commit '0e083d7e43805db1a978cb57bfa25fda62e8ff18'

[ffmpeg] / libswresample / x86 / resample_mmx.h

diff --git a/libswresample/x86/resample_mmx.h b/libswresample/x86/resample_mmx.h
index f366cc7f59cd84154036b717de06a505abca94ad..ba36de9e5c7fe11c7e55101cb78b65cc58e22e91 100644 (file)
--- a/libswresample/x86/resample_mmx.h
+++ b/libswresample/x86/resample_mmx.h
@@ -24,6 +24,7 @@
 
 int swri_resample_int16_mmx2 (struct ResampleContext *c, int16_t *dst, const int16_t *src, int *consumed, int src_size, int dst_size, int update_ctx);
 int swri_resample_int16_sse2 (struct ResampleContext *c, int16_t *dst, const int16_t *src, int *consumed, int src_size, int dst_size, int update_ctx);
+int swri_resample_float_sse  (struct ResampleContext *c,   float *dst, const   float *src, int *consumed, int src_size, int dst_size, int update_ctx);
 
 DECLARE_ALIGNED(16, const uint64_t, ff_resample_int16_rounder)[2]    = { 0x0000000000004000ULL, 0x0000000000000000ULL};
 
@@ -72,3 +73,25 @@ __asm__ volatile(\
       "r" (dst+dst_index)\
       NAMED_CONSTRAINTS_ADD(ff_resample_int16_rounder)\
 );
+
+#define COMMON_CORE_FLT_SSE \
+    x86_reg len= -4*c->filter_length;\
+__asm__ volatile(\
+    "xorps     %%xmm0, %%xmm0     \n\t"\
+    "1:                           \n\t"\
+    "movups  (%1, %0), %%xmm1     \n\t"\
+    "mulps   (%2, %0), %%xmm1     \n\t"\
+    "addps     %%xmm1, %%xmm0     \n\t"\
+    "add       $16, %0            \n\t"\
+    " js 1b                       \n\t"\
+    "movhlps   %%xmm0, %%xmm1     \n\t"\
+    "addps     %%xmm1, %%xmm0     \n\t"\
+    "movss     %%xmm0, %%xmm1     \n\t"\
+    "shufps $1, %%xmm0, %%xmm0    \n\t"\
+    "addps     %%xmm1, %%xmm0     \n\t"\
+    "movss     %%xmm0, (%3)       \n\t"\
+    : "+r" (len)\
+    : "r" (((uint8_t*)(src+sample_index))-len),\
+      "r" (((uint8_t*)filter)-len),\
+      "r" (dst+dst_index)\
+);