summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--libavcodec/x86/sbrdsp.asm40
-rw-r--r--libavcodec/x86/sbrdsp_init.c3
2 files changed, 43 insertions, 0 deletions
diff --git a/libavcodec/x86/sbrdsp.asm b/libavcodec/x86/sbrdsp.asm
index 71471bd5ab..c165c52ca4 100644
--- a/libavcodec/x86/sbrdsp.asm
+++ b/libavcodec/x86/sbrdsp.asm
@@ -72,3 +72,43 @@ cglobal sbr_sum_square, 2, 3, 6
fld dword r0m
%endif
RET
+
+%define STEP 40*4*2
+cglobal sbr_hf_g_filt, 5, 6, 5
+ lea r1, [r1 + 8*r4] ; offset by ixh elements into X_high
+ mov r5, r3
+ and r3, 0xFC
+ lea r2, [r2 + r3*4]
+ lea r0, [r0 + r3*8]
+ neg r3
+.loop4:
+ movq m0, [r2 + 4*r3 + 0]
+ movq m1, [r2 + 4*r3 + 8]
+ movq m2, [r1 + 0*STEP]
+ movq m3, [r1 + 2*STEP]
+ movhps m2, [r1 + 1*STEP]
+ movhps m3, [r1 + 3*STEP]
+ punpckldq m0, m0
+ punpckldq m1, m1
+ mulps m0, m2
+ mulps m1, m3
+ movu [r0 + 8*r3 + 0], m0
+ movu [r0 + 8*r3 + 16], m1
+ add r1, 4*STEP
+ add r3, 4
+ jnz .loop4
+ and r5, 3 ; number of single element loops
+ jz .end
+.loop1: ; element 0 and 1 can be computed at the same time
+ movss m0, [r2]
+ movq m2, [r1]
+ punpckldq m0, m0
+ mulps m2, m0
+ movq [r0], m2
+ add r0, 8
+ add r2, 4
+ add r1, STEP
+ dec r5
+ jnz .loop1
+.end:
+ RET
diff --git a/libavcodec/x86/sbrdsp_init.c b/libavcodec/x86/sbrdsp_init.c
index 313f492054..0ffe5b9e11 100644
--- a/libavcodec/x86/sbrdsp_init.c
+++ b/libavcodec/x86/sbrdsp_init.c
@@ -24,6 +24,8 @@
#include "libavcodec/sbrdsp.h"
float ff_sbr_sum_square_sse(float (*x)[2], int n);
+void ff_sbr_hf_g_filt_sse(float (*Y)[2], const float (*X_high)[40][2],
+ const float *g_filt, int m_max, intptr_t ixh);
void ff_sbrdsp_init_x86(SBRDSPContext *s)
{
@@ -32,6 +34,7 @@ void ff_sbrdsp_init_x86(SBRDSPContext *s)
if (mm_flags & AV_CPU_FLAG_SSE) {
s->sum_square = ff_sbr_sum_square_sse;
+ s->hf_g_filt = ff_sbr_hf_g_filt_sse;
}
}
}