diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2012-04-28 12:23:42 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-04-28 13:15:44 +0200 |
| commit | bcc66ff0e4ba50033804aaaf0eb1f92aab959c80 (patch) | |
| tree | f3f45200cd3fe8fb0bbc27b806b7497913596905 /libswresample/x86/audio_convert.asm | |
| parent | 06b62cb8f2886eb1baf60c3146f4c4cade31e369 (diff) | |
| download | ffmpeg-bcc66ff0e4ba50033804aaaf0eb1f92aab959c80.tar.gz | |
swr: add int16_to_int32_mmx/sse
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswresample/x86/audio_convert.asm')
| -rw-r--r-- | libswresample/x86/audio_convert.asm | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libswresample/x86/audio_convert.asm b/libswresample/x86/audio_convert.asm new file mode 100644 index 0000000000..c7ce8c6c53 --- /dev/null +++ b/libswresample/x86/audio_convert.asm @@ -0,0 +1,52 @@ +;****************************************************************************** +;* 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 INT16_TO_INT32 0 +cglobal int16_to_int32_%1, 3, 3, 0, dst, src, len + mov srcq, [srcq] + mov dstq, [dstq] +.next + movu m4, [srcq] + pxor m0, m0 + pxor m1, m1 + punpcklwd m0, m4 + punpckhwd m1, m4 + movu [ dstq], m0 + movu [mmsize + dstq], m1 + add srcq, mmsize + add dstq, 2*mmsize + sub lenq, 2*mmsize + jg .next +%if mmsize == 8 + emms +%endif + REP_RET +%endmacro + +INIT_MMX mmx +INT16_TO_INT32 + +INIT_XMM sse +INT16_TO_INT32 |