diff options
Diffstat (limited to 'libavcodec/x86/vp3dsp.asm')
| -rw-r--r-- | libavcodec/x86/vp3dsp.asm | 52 |
1 files changed, 48 insertions, 4 deletions
diff --git a/libavcodec/x86/vp3dsp.asm b/libavcodec/x86/vp3dsp.asm index fc8a047224..d457cd7de5 100644 --- a/libavcodec/x86/vp3dsp.asm +++ b/libavcodec/x86/vp3dsp.asm @@ -2,20 +2,20 @@ ;* MMX/SSE2-optimized functions for the VP3 decoder ;* Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org> ;* -;* 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 ;****************************************************************************** @@ -40,6 +40,7 @@ pb_81: times 8 db 0x81 cextern pb_1 cextern pb_3 cextern pb_80 +cextern pb_FE cextern pw_8 @@ -147,6 +148,49 @@ cglobal vp3_h_loop_filter, 3, 4 STORE_4_WORDS m3 RET +%macro PAVGB_NO_RND 0 + mova m4, m0 + mova m5, m2 + pand m4, m1 + pand m5, m3 + pxor m1, m0 + pxor m3, m2 + pand m1, m6 + pand m3, m6 + psrlq m1, 1 + psrlq m3, 1 + paddb m4, m1 + paddb m5, m3 +%endmacro + +INIT_MMX mmx +cglobal put_vp_no_rnd_pixels8_l2, 5, 6, 0, dst, src1, src2, stride, h, stride3 + mova m6, [pb_FE] + lea stride3q,[strideq+strideq*2] +.loop: + mova m0, [src1q] + mova m1, [src2q] + mova m2, [src1q+strideq] + mova m3, [src2q+strideq] + PAVGB_NO_RND + mova [dstq], m4 + mova [dstq+strideq], m5 + + mova m0, [src1q+strideq*2] + mova m1, [src2q+strideq*2] + mova m2, [src1q+stride3q] + mova m3, [src2q+stride3q] + PAVGB_NO_RND + mova [dstq+strideq*2], m4 + mova [dstq+stride3q], m5 + + lea src1q, [src1q+strideq*4] + lea src2q, [src2q+strideq*4] + lea dstq, [dstq+strideq*4] + sub hd, 4 + jnz .loop + RET + ; from original comments: The Macro does IDct on 4 1-D Dcts %macro BeginIDCT 0 movq m2, I(3) |