diff ffmpeg/libavcodec/x86/qpel.asm @ 10:6840f77b83aa

commit

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ffmpeg/libavcodec/x86/qpel.asm	Sun Apr 21 10:55:35 2013 +0200
@@ -0,0 +1,176 @@
+;******************************************************************************
+;* MMX optimized DSP utils
+;* Copyright (c) 2008 Loren Merritt
+;* Copyright (c) 2003-2013 Michael Niedermayer
+;* Copyright (c) 2013 Daniel Kang
+;*
+;* 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/x86util.asm"
+
+SECTION .text
+
+%macro op_avgh 3
+    movh   %3, %2
+    pavgb  %1, %3
+    movh   %2, %1
+%endmacro
+
+%macro op_avg 2
+    pavgb  %1, %2
+    mova   %2, %1
+%endmacro
+
+%macro op_puth 2-3
+    movh   %2, %1
+%endmacro
+
+%macro op_put 2
+    mova   %2, %1
+%endmacro
+
+; void pixels4_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
+%macro PIXELS4_L2 1
+%define OP op_%1h
+cglobal %1_pixels4_l2, 6,6
+    movsxdifnidn r3, r3d
+    movsxdifnidn r4, r4d
+    test        r5d, 1
+    je        .loop
+    movd         m0, [r1]
+    movd         m1, [r2]
+    add          r1, r4
+    add          r2, 4
+    pavgb        m0, m1
+    OP           m0, [r0], m3
+    add          r0, r3
+    dec         r5d
+.loop:
+    mova         m0, [r1]
+    mova         m1, [r1+r4]
+    lea          r1, [r1+2*r4]
+    pavgb        m0, [r2]
+    pavgb        m1, [r2+4]
+    OP           m0, [r0], m3
+    OP           m1, [r0+r3], m3
+    lea          r0, [r0+2*r3]
+    mova         m0, [r1]
+    mova         m1, [r1+r4]
+    lea          r1, [r1+2*r4]
+    pavgb        m0, [r2+8]
+    pavgb        m1, [r2+12]
+    OP           m0, [r0], m3
+    OP           m1, [r0+r3], m3
+    lea          r0, [r0+2*r3]
+    add          r2, 16
+    sub         r5d, 4
+    jne       .loop
+    REP_RET
+%endmacro
+
+INIT_MMX mmxext
+PIXELS4_L2 put
+PIXELS4_L2 avg
+
+; void pixels8_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
+%macro PIXELS8_L2 1
+%define OP op_%1
+cglobal %1_pixels8_l2, 6,6
+    movsxdifnidn r3, r3d
+    movsxdifnidn r4, r4d
+    test        r5d, 1
+    je        .loop
+    mova         m0, [r1]
+    mova         m1, [r2]
+    add          r1, r4
+    add          r2, 8
+    pavgb        m0, m1
+    OP           m0, [r0]
+    add          r0, r3
+    dec         r5d
+.loop:
+    mova         m0, [r1]
+    mova         m1, [r1+r4]
+    lea          r1, [r1+2*r4]
+    pavgb        m0, [r2]
+    pavgb        m1, [r2+8]
+    OP           m0, [r0]
+    OP           m1, [r0+r3]
+    lea          r0, [r0+2*r3]
+    mova         m0, [r1]
+    mova         m1, [r1+r4]
+    lea          r1, [r1+2*r4]
+    pavgb        m0, [r2+16]
+    pavgb        m1, [r2+24]
+    OP           m0, [r0]
+    OP           m1, [r0+r3]
+    lea          r0, [r0+2*r3]
+    add          r2, 32
+    sub         r5d, 4
+    jne       .loop
+    REP_RET
+%endmacro
+
+INIT_MMX mmxext
+PIXELS8_L2 put
+PIXELS8_L2 avg
+
+; void pixels16_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
+%macro PIXELS16_L2 1
+%define OP op_%1
+cglobal %1_pixels16_l2, 6,6
+    movsxdifnidn r3, r3d
+    movsxdifnidn r4, r4d
+    test        r5d, 1
+    je        .loop
+    mova         m0, [r1]
+    mova         m1, [r1+8]
+    pavgb        m0, [r2]
+    pavgb        m1, [r2+8]
+    add          r1, r4
+    add          r2, 16
+    OP           m0, [r0]
+    OP           m1, [r0+8]
+    add          r0, r3
+    dec         r5d
+.loop:
+    mova         m0, [r1]
+    mova         m1, [r1+8]
+    add          r1, r4
+    pavgb        m0, [r2]
+    pavgb        m1, [r2+8]
+    OP           m0, [r0]
+    OP           m1, [r0+8]
+    add          r0, r3
+    mova         m0, [r1]
+    mova         m1, [r1+8]
+    add          r1, r4
+    pavgb        m0, [r2+16]
+    pavgb        m1, [r2+24]
+    OP           m0, [r0]
+    OP           m1, [r0+8]
+    add          r0, r3
+    add          r2, 32
+    sub         r5d, 2
+    jne       .loop
+    REP_RET
+%endmacro
+
+INIT_MMX mmxext
+PIXELS16_L2 put
+PIXELS16_L2 avg