1 files changed, 66 insertions, 0 deletions
diff --git a/libswresample/x86/rematrix.asm b/libswresample/x86/rematrix.asm
new file mode 100644
index 0000000000..aacd3167cb
--- /dev/null
+++ b/libswresample/x86/rematrix.asm
@@ -0,0 +1,66 @@
+;******************************************************************************
+;* Copyright (c) 2012 Michael Niedermayer
+;*
+;* This file is part of FFmpeg.
+;*
+;* FFmpeg 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.
+;*
+;* FFmpeg 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 FFmpeg; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;******************************************************************************
+
+%include "libavutil/x86/x86inc.asm"
+%include "libavutil/x86/x86util.asm"
+
+SECTION .text
+
+%macro MIX1_FLT 1
+cglobal mix_1_1_%1_float, 5, 5, 3, out, in, coeffp, index, len
+%ifidn %1, a
+    test inq, mmsize-1
+        jne mix_1_1_float_u_int %+ SUFFIX
+    test outq, mmsize-1
+        jne mix_1_1_float_u_int %+ SUFFIX
+%else
+mix_1_1_float_u_int %+ SUFFIX
+%endif
+    VBROADCASTSS m2, [coeffpq + 4*indexq]
+    shl lenq    , 2
+    add inq     , lenq
+    add outq    , lenq
+    neg lenq
+.next:
+%ifidn %1, a
+    mulps        m0, m2, [inq + lenq         ]
+    mulps        m1, m2, [inq + lenq + mmsize]
+%else
+    movu         m0, [inq + lenq         ]
+    movu         m1, [inq + lenq + mmsize]
+    mulps        m0, m0, m2
+    mulps        m1, m1, m2
+%endif
+    mov%1  [outq + lenq         ], m0
+    mov%1  [outq + lenq + mmsize], m1
+    add        lenq, mmsize*2
+        jl .next
+    REP_RET
+%endmacro
+
+INIT_XMM sse
+MIX1_FLT u
+MIX1_FLT a
+
+%if HAVE_AVX
+INIT_YMM avx
+MIX1_FLT u
+MIX1_FLT a
+%endif