diff options
Diffstat (limited to 'libavcodec/x86/dsputil.asm')
| -rw-r--r-- | libavcodec/x86/dsputil.asm | 107 |
1 files changed, 103 insertions, 4 deletions
diff --git a/libavcodec/x86/dsputil.asm b/libavcodec/x86/dsputil.asm index 8f5a14d5a9..e261c0fcc7 100644 --- a/libavcodec/x86/dsputil.asm +++ b/libavcodec/x86/dsputil.asm @@ -1,21 +1,23 @@ ;****************************************************************************** ;* 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 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 ;****************************************************************************** @@ -24,6 +26,8 @@ SECTION_RODATA pb_bswap32: db 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 +cextern pb_80 + SECTION_TEXT ; %1 = aligned/unaligned @@ -90,6 +94,7 @@ cglobal bswap32_buf, 3,4,3 cglobal bswap32_buf, 3,4,5 mov r3, r1 %endif + or r3, r0 and r3, 15 jz .start_align BSWAP_LOOPS u @@ -133,3 +138,97 @@ BSWAP32_BUF INIT_XMM ssse3 BSWAP32_BUF + +;-------------------------------------------------------------------------- +;void ff_put_signed_pixels_clamped(const int16_t *block, uint8_t *pixels, +; int line_size) +;-------------------------------------------------------------------------- + +%macro PUT_SIGNED_PIXELS_CLAMPED_HALF 1 + mova m1, [blockq+mmsize*0+%1] + mova m2, [blockq+mmsize*2+%1] +%if mmsize == 8 + mova m3, [blockq+mmsize*4+%1] + mova m4, [blockq+mmsize*6+%1] +%endif + packsswb m1, [blockq+mmsize*1+%1] + packsswb m2, [blockq+mmsize*3+%1] +%if mmsize == 8 + packsswb m3, [blockq+mmsize*5+%1] + packsswb m4, [blockq+mmsize*7+%1] +%endif + paddb m1, m0 + paddb m2, m0 +%if mmsize == 8 + paddb m3, m0 + paddb m4, m0 + movq [pixelsq+lsizeq*0], m1 + movq [pixelsq+lsizeq*1], m2 + movq [pixelsq+lsizeq*2], m3 + movq [pixelsq+lsize3q ], m4 +%else + movq [pixelsq+lsizeq*0], m1 + movhps [pixelsq+lsizeq*1], m1 + movq [pixelsq+lsizeq*2], m2 + movhps [pixelsq+lsize3q ], m2 +%endif +%endmacro + +%macro PUT_SIGNED_PIXELS_CLAMPED 1 +cglobal put_signed_pixels_clamped, 3, 4, %1, block, pixels, lsize, lsize3 + mova m0, [pb_80] + lea lsize3q, [lsizeq*3] + PUT_SIGNED_PIXELS_CLAMPED_HALF 0 + lea pixelsq, [pixelsq+lsizeq*4] + PUT_SIGNED_PIXELS_CLAMPED_HALF 64 + RET +%endmacro + +INIT_MMX mmx +PUT_SIGNED_PIXELS_CLAMPED 0 +INIT_XMM sse2 +PUT_SIGNED_PIXELS_CLAMPED 3 + +;----------------------------------------------------- +;void ff_vector_clipf(float *dst, const float *src, +; float min, float max, int len) +;----------------------------------------------------- +INIT_XMM sse +%if UNIX64 +cglobal vector_clipf, 3,3,6, dst, src, len +%else +cglobal vector_clipf, 5,5,6, dst, src, min, max, len +%endif +%if WIN64 + SWAP 0, 2 + SWAP 1, 3 +%elif ARCH_X86_32 + movss m0, minm + movss m1, maxm +%endif + SPLATD m0 + SPLATD m1 + shl lend, 2 + add srcq, lenq + add dstq, lenq + neg lenq +.loop: + mova m2, [srcq+lenq+mmsize*0] + mova m3, [srcq+lenq+mmsize*1] + mova m4, [srcq+lenq+mmsize*2] + mova m5, [srcq+lenq+mmsize*3] + maxps m2, m0 + maxps m3, m0 + maxps m4, m0 + maxps m5, m0 + minps m2, m1 + minps m3, m1 + minps m4, m1 + minps m5, m1 + mova [dstq+lenq+mmsize*0], m2 + mova [dstq+lenq+mmsize*1], m3 + mova [dstq+lenq+mmsize*2], m4 + mova [dstq+lenq+mmsize*3], m5 + add lenq, mmsize*4 + jl .loop + REP_RET |