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Diffstat (limited to 'libavresample/x86/audio_convert.asm')
| -rw-r--r-- | libavresample/x86/audio_convert.asm | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/libavresample/x86/audio_convert.asm b/libavresample/x86/audio_convert.asm new file mode 100644 index 0000000000..809c5d1378 --- /dev/null +++ b/libavresample/x86/audio_convert.asm @@ -0,0 +1,104 @@ +;****************************************************************************** +;* x86 optimized Format Conversion Utils +;* 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 "x86inc.asm" +%include "x86util.asm" + +SECTION_TEXT + +;----------------------------------------------------------------------------- +; void ff_conv_fltp_to_flt_6ch(float *dst, float *const *src, int len, +; int channels); +;----------------------------------------------------------------------------- + +%macro CONV_FLTP_TO_FLT_6CH 0 +cglobal conv_fltp_to_flt_6ch, 2,8,7, dst, src, src1, src2, src3, src4, src5, len +%if ARCH_X86_64 + mov lend, r2d +%else + %define lend dword r2m +%endif + mov src1q, [srcq+1*gprsize] + mov src2q, [srcq+2*gprsize] + mov src3q, [srcq+3*gprsize] + mov src4q, [srcq+4*gprsize] + mov src5q, [srcq+5*gprsize] + mov srcq, [srcq] + sub src1q, srcq + sub src2q, srcq + sub src3q, srcq + sub src4q, srcq + sub src5q, srcq +.loop: + mova m0, [srcq ] + mova m1, [srcq+src1q] + mova m2, [srcq+src2q] + mova m3, [srcq+src3q] + mova m4, [srcq+src4q] + mova m5, [srcq+src5q] +%if cpuflag(sse) + SBUTTERFLYPS 0, 1, 6 + SBUTTERFLYPS 2, 3, 6 + SBUTTERFLYPS 4, 5, 6 + + movaps m6, m4 + shufps m4, m0, q3210 + movlhps m0, m2 + movhlps m6, m2 + movaps [dstq ], m0 + movaps [dstq+16], m4 + movaps [dstq+32], m6 + + movaps m6, m5 + shufps m5, m1, q3210 + movlhps m1, m3 + movhlps m6, m3 + movaps [dstq+48], m1 + movaps [dstq+64], m5 + movaps [dstq+80], m6 +%else ; mmx + SBUTTERFLY dq, 0, 1, 6 + SBUTTERFLY dq, 2, 3, 6 + SBUTTERFLY dq, 4, 5, 6 + + movq [dstq ], m0 + movq [dstq+ 8], m2 + movq [dstq+16], m4 + movq [dstq+24], m1 + movq [dstq+32], m3 + movq [dstq+40], m5 +%endif + add srcq, mmsize + add dstq, mmsize*6 + sub lend, mmsize/4 + jg .loop +%if mmsize == 8 + emms + RET +%else + REP_RET +%endif +%endmacro + +INIT_MMX mmx +CONV_FLTP_TO_FLT_6CH +INIT_XMM sse +CONV_FLTP_TO_FLT_6CH |