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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-06-02 14:00:50 -0400 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2011-07-01 13:02:11 -0400 |
| commit | 6054cd25b4d7dce97c4fa3cc6e4757ba1e59ab86 (patch) | |
| tree | bb0f244fb2f37fcffede571532684b89ca43b590 /libavcodec/x86/dsputil_yasm.asm | |
| parent | 8a8d0ce208b77f506759185ff580fa61b5c41f70 (diff) | |
| download | ffmpeg-6054cd25b4d7dce97c4fa3cc6e4757ba1e59ab86.tar.gz | |
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.asm | 115 |
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 |