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authorTimothy Gu <timothygu99@gmail.com>2014-03-26 19:06:30 -0700
committerMichael Niedermayer <michaelni@gmx.at>2014-03-27 23:16:17 +0100
commit9d34dce05ba704180916433e13add3f01b54313b (patch)
treefeb3309eb5d869528267b6a76eb472d78e875f09 /libavcodec/x86/dnxhdenc.asm
parentcb11b9e89e152ed4db22e5ad0349b63fac02101e (diff)
x86: convert DNxHDenc inline asm to yasm
Signed-off-by: Timothy Gu <timothygu99@gmail.com> Reviewed-by: "Ronald S. Bultje" <rsbultje@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86/dnxhdenc.asm')
-rw-r--r--libavcodec/x86/dnxhdenc.asm49
1 files changed, 49 insertions, 0 deletions
diff --git a/libavcodec/x86/dnxhdenc.asm b/libavcodec/x86/dnxhdenc.asm
new file mode 100644
index 0000000000..9dd6d51ee6
--- /dev/null
+++ b/libavcodec/x86/dnxhdenc.asm
@@ -0,0 +1,49 @@
+;************************************************************************
+;* VC3/DNxHD SIMD functions
+;* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
+;* Copyright (c) 2014 Tiancheng "Timothy" Gu <timothygu99@gmail.com>
+;*
+;* 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
+;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;******************************************************************************
+
+%include "libavutil/x86/x86util.asm"
+
+section .text
+
+; void get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels,
+; ptrdiff_t line_size)
+INIT_XMM sse2
+cglobal get_pixels_8x4_sym, 3,3,5, block, pixels, linesize
+ pxor m4, m4
+ movq m0, [pixelsq]
+ add pixelsq, linesizeq
+ movq m1, [pixelsq]
+ movq m2, [pixelsq+linesizeq]
+ movq m3, [pixelsq+linesizeq*2]
+ punpcklbw m0, m4
+ punpcklbw m1, m4
+ punpcklbw m2, m4
+ punpcklbw m3, m4
+ mova [blockq ], m0
+ mova [blockq+16 ], m1
+ mova [blockq+32 ], m2
+ mova [blockq+48 ], m3
+ mova [blockq+64 ], m3
+ mova [blockq+80 ], m2
+ mova [blockq+96 ], m1
+ mova [blockq+112], m0
+ RET