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| author | Christophe Gisquet <christophe.gisquet@gmail.com> | 2014-05-28 21:57:38 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-05-30 15:20:36 +0200 |
| commit | f743fa9c7f872a23672e634c39d61c7b0cd45fcf (patch) | |
| tree | 1f49a1fd4e69084456150f8f9462352154fcdb8a /libavcodec/x86/huffyuvdsp.asm | |
| parent | 7be79c76d3f7711c6c7e0c6d0f3ade5632bfb591 (diff) | |
| download | ffmpeg-f743fa9c7f872a23672e634c39d61c7b0cd45fcf.tar.gz | |
x86: huffyuvdsp: add_hfyu_left_pred_bgr32
C MMX SSE2
Cycles: 3092 1053 578
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86/huffyuvdsp.asm')
| -rw-r--r-- | libavcodec/x86/huffyuvdsp.asm | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libavcodec/x86/huffyuvdsp.asm b/libavcodec/x86/huffyuvdsp.asm index 7ebb07c14e..73c476495a 100644 --- a/libavcodec/x86/huffyuvdsp.asm +++ b/libavcodec/x86/huffyuvdsp.asm @@ -1,6 +1,7 @@ ;****************************************************************************** ;* SIMD-optimized HuffYUV functions ;* Copyright (c) 2008 Loren Merritt +;* Copyright (c) 2014 Christophe Gisquet ;* ;* This file is part of FFmpeg. ;* @@ -222,3 +223,41 @@ INIT_MMX mmx ADD_BYTES INIT_XMM sse2 ADD_BYTES + +; void add_hfyu_left_pred_bgr32(uint8_t *dst, const uint8_t *src, +; intptr_t w, uint8_t *left) +%macro LEFT_BGR32 0 +cglobal add_hfyu_left_pred_bgr32, 4,4,3, dst, src, w, left + shl wq, 2 + movd m0, [leftq] + lea dstq, [dstq + wq] + lea srcq, [srcq + wq] + LSHIFT m0, mmsize-4 + neg wq +.loop: + movu m1, [srcq+wq] + mova m2, m1 +%if mmsize == 8 + punpckhdq m0, m0 +%endif + LSHIFT m1, 4 + paddb m1, m2 +%if mmsize == 16 + pshufd m0, m0, q3333 + mova m2, m1 + LSHIFT m1, 8 + paddb m1, m2 +%endif + paddb m0, m1 + movu [dstq+wq], m0 + add wq, mmsize + jl .loop + movd m0, [dstq-4] + movd [leftq], m0 + REP_RET +%endmacro + +INIT_MMX mmx +LEFT_BGR32 +INIT_XMM sse2 +LEFT_BGR32 |