dsputil: Split audio operations off into a separate context

1 files changed, 137 insertions, 0 deletions

diff --git a/libavcodec/x86/audiodsp.asm b/libavcodec/x86/audiodsp.asm
new file mode 100644
index 0000000000..f2e831df17
--- /dev/null
+++ b/libavcodec/x86/audiodsp.asm
@@ -0,0 +1,137 @@
+;******************************************************************************
+;* optimized audio functions
+;* Copyright (c) 2008 Loren Merritt
+;*
+;* This file is part of Libav.
+;*
+;* Libav is free software; you can redistribute it and/or
+;* modify it under the terms of the GNU Lesser General Public
+;* License as published by the Free Software Foundation; either
+;* version 2.1 of the License, or (at your option) any later version.
+;*
+;* Libav is distributed in the hope that it will be useful,
+;* but WITHOUT ANY WARRANTY; without even the implied warranty of
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;* Lesser General Public License for more details.
+;*
+;* You should have received a copy of the GNU Lesser General Public
+;* License along with Libav; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;******************************************************************************
+
+%include "libavutil/x86/x86util.asm"
+
+SECTION_TEXT
+
+%macro SCALARPRODUCT 0
+; int ff_scalarproduct_int16(int16_t *v1, int16_t *v2, int order)
+cglobal scalarproduct_int16, 3,3,3, v1, v2, order
+    shl orderq, 1
+    add v1q, orderq
+    add v2q, orderq
+    neg orderq
+    pxor    m2, m2
+.loop:
+    movu    m0, [v1q + orderq]
+    movu    m1, [v1q + orderq + mmsize]
+    pmaddwd m0, [v2q + orderq]
+    pmaddwd m1, [v2q + orderq + mmsize]
+    paddd   m2, m0
+    paddd   m2, m1
+    add     orderq, mmsize*2
+    jl .loop
+%if mmsize == 16
+    movhlps m0, m2
+    paddd   m2, m0
+    pshuflw m0, m2, 0x4e
+%else
+    pshufw  m0, m2, 0x4e
+%endif
+    paddd   m2, m0
+    movd   eax, m2
+    RET
+%endmacro
+
+INIT_MMX mmxext
+SCALARPRODUCT
+INIT_XMM sse2
+SCALARPRODUCT
+
+
+;-----------------------------------------------------------------------------
+; void ff_vector_clip_int32(int32_t *dst, const int32_t *src, int32_t min,
+;                           int32_t max, unsigned int len)
+;-----------------------------------------------------------------------------
+
+; %1 = number of xmm registers used
+; %2 = number of inline load/process/store loops per asm loop
+; %3 = process 4*mmsize (%3=0) or 8*mmsize (%3=1) bytes per loop
+; %4 = CLIPD function takes min/max as float instead of int (CLIPD_SSE2)
+; %5 = suffix
+%macro VECTOR_CLIP_INT32 4-5
+cglobal vector_clip_int32%5, 5,5,%1, dst, src, min, max, len
+%if %4
+    cvtsi2ss  m4, minm
+    cvtsi2ss  m5, maxm
+%else
+    movd      m4, minm
+    movd      m5, maxm
+%endif
+    SPLATD    m4
+    SPLATD    m5
+.loop:
+%assign %%i 1
+%rep %2
+    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 %3
+    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 %3
+    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 %3
+    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*(%2+%3)
+    add     dstq, mmsize*4*(%2+%3)
+    sub     lend, mmsize*(%2+%3)
+    jg .loop
+    REP_RET
+%endmacro
+
+INIT_MMX mmx
+%define CLIPD CLIPD_MMX
+VECTOR_CLIP_INT32 0, 1, 0, 0
+INIT_XMM sse2
+VECTOR_CLIP_INT32 6, 1, 0, 0, _int
+%define CLIPD CLIPD_SSE2
+VECTOR_CLIP_INT32 6, 2, 0, 1
+INIT_XMM sse4
+%define CLIPD CLIPD_SSE41
+%ifdef m8
+VECTOR_CLIP_INT32 11, 1, 1, 0
+%else
+VECTOR_CLIP_INT32 6, 1, 0, 0
+%endif