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authorJustin Ruggles <justin.ruggles@gmail.com>2011-06-02 14:00:50 -0400
committerJustin Ruggles <justin.ruggles@gmail.com>2011-07-01 13:02:11 -0400
commit6054cd25b4d7dce97c4fa3cc6e4757ba1e59ab86 (patch)
treebb0f244fb2f37fcffede571532684b89ca43b590 /libavcodec/x86/dsputil_yasm.asm
parent8a8d0ce208b77f506759185ff580fa61b5c41f70 (diff)
ac3enc: add int32_t array clipping function to DSPUtil, including x86 versions.
Diffstat (limited to 'libavcodec/x86/dsputil_yasm.asm')
-rw-r--r--libavcodec/x86/dsputil_yasm.asm115
1 files changed, 115 insertions, 0 deletions
diff --git a/libavcodec/x86/dsputil_yasm.asm b/libavcodec/x86/dsputil_yasm.asm
index 8b19cc1441..4e1ec24a7a 100644
--- a/libavcodec/x86/dsputil_yasm.asm
+++ b/libavcodec/x86/dsputil_yasm.asm
@@ -1048,3 +1048,118 @@ emu_edge sse
%ifdef ARCH_X86_32
emu_edge mmx
%endif
+
+;-----------------------------------------------------------------------------
+; void ff_vector_clip_int32(int32_t *dst, const int32_t *src, int32_t min,
+; int32_t max, unsigned int len)
+;-----------------------------------------------------------------------------
+
+%macro PMINSD_MMX 3 ; dst, src, tmp
+ mova %3, %2
+ pcmpgtd %3, %1
+ pxor %1, %2
+ pand %1, %3
+ pxor %1, %2
+%endmacro
+
+%macro PMAXSD_MMX 3 ; dst, src, tmp
+ mova %3, %1
+ pcmpgtd %3, %2
+ pand %1, %3
+ pandn %3, %2
+ por %1, %3
+%endmacro
+
+%macro CLIPD_MMX 3-4 ; src/dst, min, max, tmp
+ PMINSD_MMX %1, %3, %4
+ PMAXSD_MMX %1, %2, %4
+%endmacro
+
+%macro CLIPD_SSE2 3-4 ; src/dst, min (float), max (float), unused
+ cvtdq2ps %1, %1
+ minps %1, %3
+ maxps %1, %2
+ cvtps2dq %1, %1
+%endmacro
+
+%macro CLIPD_SSE41 3-4 ; src/dst, min, max, unused
+ pminsd %1, %3
+ pmaxsd %1, %2
+%endmacro
+
+%macro SPLATD_MMX 1
+ punpckldq %1, %1
+%endmacro
+
+%macro SPLATD_SSE2 1
+ pshufd %1, %1, 0
+%endmacro
+
+%macro VECTOR_CLIP_INT32 4
+cglobal vector_clip_int32_%1, 5,5,%2, dst, src, min, max, len
+%ifidn %1, sse2
+ cvtsi2ss m4, minm
+ cvtsi2ss m5, maxm
+%else
+ movd m4, minm
+ movd m5, maxm
+%endif
+ SPLATD m4
+ SPLATD m5
+.loop:
+%assign %%i 1
+%rep %3
+ mova m0, [srcq+mmsize*0*%%i]
+ mova m1, [srcq+mmsize*1*%%i]
+ mova m2, [srcq+mmsize*2*%%i]
+ mova m3, [srcq+mmsize*3*%%i]
+%if %4
+ mova m7, [srcq+mmsize*4*%%i]
+ mova m8, [srcq+mmsize*5*%%i]
+ mova m9, [srcq+mmsize*6*%%i]
+ mova m10, [srcq+mmsize*7*%%i]
+%endif
+ CLIPD m0, m4, m5, m6
+ CLIPD m1, m4, m5, m6
+ CLIPD m2, m4, m5, m6
+ CLIPD m3, m4, m5, m6
+%if %4
+ CLIPD m7, m4, m5, m6
+ CLIPD m8, m4, m5, m6
+ CLIPD m9, m4, m5, m6
+ CLIPD m10, m4, m5, m6
+%endif
+ mova [dstq+mmsize*0*%%i], m0
+ mova [dstq+mmsize*1*%%i], m1
+ mova [dstq+mmsize*2*%%i], m2
+ mova [dstq+mmsize*3*%%i], m3
+%if %4
+ mova [dstq+mmsize*4*%%i], m7
+ mova [dstq+mmsize*5*%%i], m8
+ mova [dstq+mmsize*6*%%i], m9
+ mova [dstq+mmsize*7*%%i], m10
+%endif
+%assign %%i %%i+1
+%endrep
+ add srcq, mmsize*4*(%3+%4)
+ add dstq, mmsize*4*(%3+%4)
+ sub lend, mmsize*(%3+%4)
+ jg .loop
+ REP_RET
+%endmacro
+
+INIT_MMX
+%define SPLATD SPLATD_MMX
+%define CLIPD CLIPD_MMX
+VECTOR_CLIP_INT32 mmx, 0, 1, 0
+INIT_XMM
+%define SPLATD SPLATD_SSE2
+VECTOR_CLIP_INT32 sse2_int, 6, 1, 0
+%define CLIPD CLIPD_SSE2
+VECTOR_CLIP_INT32 sse2, 6, 2, 0
+%define CLIPD CLIPD_SSE41
+%ifdef m8
+VECTOR_CLIP_INT32 sse41, 11, 1, 1
+%else
+VECTOR_CLIP_INT32 sse41, 6, 1, 0
+%endif