diff options
Diffstat (limited to 'libavcodec/x86/pixblockdsp.asm')
| -rw-r--r-- | libavcodec/x86/pixblockdsp.asm | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/libavcodec/x86/pixblockdsp.asm b/libavcodec/x86/pixblockdsp.asm index c8fd1b24a1..7c5377b2bb 100644 --- a/libavcodec/x86/pixblockdsp.asm +++ b/libavcodec/x86/pixblockdsp.asm @@ -4,20 +4,20 @@ ;* Copyright (c) 2000, 2001 Fabrice Bellard ;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> ;* -;* This file is part of Libav. +;* This file is part of FFmpeg. ;* -;* Libav is free software; you can redistribute it and/or +;* 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. ;* -;* Libav is distributed in the hope that it will be useful, +;* 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 Libav; if not, write to the Free Software +;* License along with FFmpeg; if not, write to the Free Software ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ;***************************************************************************** @@ -26,9 +26,8 @@ SECTION .text INIT_MMX mmx -; void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size) +; void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size) cglobal get_pixels, 3,4 - movsxdifnidn r2, r2d add r0, 128 mov r3, -128 pxor m7, m7 @@ -51,8 +50,7 @@ cglobal get_pixels, 3,4 REP_RET INIT_XMM sse2 -cglobal get_pixels, 3, 4 - movsxdifnidn r2, r2d +cglobal get_pixels, 3, 4, 5 lea r3, [r2*3] pxor m4, m4 movh m0, [r1] @@ -108,3 +106,28 @@ cglobal diff_pixels, 4,5 add r4, 16 jne .loop REP_RET + +INIT_XMM sse2 +cglobal diff_pixels, 4, 5, 5 + movsxdifnidn r3, r3d + pxor m4, m4 + add r0, 128 + mov r4, -128 +.loop: + movh m0, [r1] + movh m2, [r2] + movh m1, [r1+r3] + movh m3, [r2+r3] + punpcklbw m0, m4 + punpcklbw m1, m4 + punpcklbw m2, m4 + punpcklbw m3, m4 + psubw m0, m2 + psubw m1, m3 + mova [r0+r4+0 ], m0 + mova [r0+r4+16], m1 + lea r1, [r1+r3*2] + lea r2, [r2+r3*2] + add r4, 32 + jne .loop + RET |