diff options
Diffstat (limited to 'media/ffvpx/libavcodec/x86/idctdsp.asm')
| -rw-r--r-- | media/ffvpx/libavcodec/x86/idctdsp.asm | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/x86/idctdsp.asm b/media/ffvpx/libavcodec/x86/idctdsp.asm new file mode 100644 index 0000000000..1cfdb5419d --- /dev/null +++ b/media/ffvpx/libavcodec/x86/idctdsp.asm @@ -0,0 +1,112 @@ +;****************************************************************************** +;* SIMD-optimized IDCT-related routines +;* 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_RODATA + +cextern pb_80 + +SECTION .text + +;-------------------------------------------------------------------------- +;void ff_put_signed_pixels_clamped(const int16_t *block, uint8_t *pixels, +; ptrdiff_t line_size) +;-------------------------------------------------------------------------- + +%macro PUT_SIGNED_PIXELS_CLAMPED_HALF 1 + mova m1, [blockq+mmsize*0+%1] + mova m2, [blockq+mmsize*2+%1] + packsswb m1, [blockq+mmsize*1+%1] + packsswb m2, [blockq+mmsize*3+%1] + paddb m1, m0 + paddb m2, m0 + movq [pixelsq+lsizeq*0], m1 + movhps [pixelsq+lsizeq*1], m1 + movq [pixelsq+lsizeq*2], m2 + movhps [pixelsq+lsize3q ], m2 +%endmacro + +INIT_XMM sse2 +cglobal put_signed_pixels_clamped, 3, 4, 3, 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 + +;-------------------------------------------------------------------------- +; void ff_put_pixels_clamped(const int16_t *block, uint8_t *pixels, +; ptrdiff_t line_size); +;-------------------------------------------------------------------------- +; %1 = block offset +%macro PUT_PIXELS_CLAMPED_HALF 1 + mova m0, [blockq+mmsize*0+%1] + mova m1, [blockq+mmsize*2+%1] + packuswb m0, [blockq+mmsize*1+%1] + packuswb m1, [blockq+mmsize*3+%1] + movq [pixelsq], m0 + movhps [lsizeq+pixelsq], m0 + movq [2*lsizeq+pixelsq], m1 + movhps [lsize3q+pixelsq], m1 +%endmacro + +INIT_XMM sse2 +cglobal put_pixels_clamped, 3, 4, 2, block, pixels, lsize, lsize3 + lea lsize3q, [lsizeq*3] + PUT_PIXELS_CLAMPED_HALF 0 + lea pixelsq, [pixelsq+lsizeq*4] + PUT_PIXELS_CLAMPED_HALF 64 + RET + +;-------------------------------------------------------------------------- +; void ff_add_pixels_clamped(const int16_t *block, uint8_t *pixels, +; ptrdiff_t line_size); +;-------------------------------------------------------------------------- +; %1 = block offset +%macro ADD_PIXELS_CLAMPED 1 + mova m0, [blockq+mmsize*0+%1] + mova m1, [blockq+mmsize*1+%1] + movq m2, [pixelsq] + movq m3, [pixelsq+lsizeq] + punpcklbw m2, m4 + punpcklbw m3, m4 + paddsw m0, m2 + paddsw m1, m3 + packuswb m0, m1 + movq [pixelsq], m0 + movhps [pixelsq+lsizeq], m0 +%endmacro + +INIT_XMM sse2 +cglobal add_pixels_clamped, 3, 3, 5, block, pixels, lsize + pxor m4, m4 + ADD_PIXELS_CLAMPED 0 + lea pixelsq, [pixelsq+lsizeq*2] + ADD_PIXELS_CLAMPED 32 + lea pixelsq, [pixelsq+lsizeq*2] + ADD_PIXELS_CLAMPED 64 + lea pixelsq, [pixelsq+lsizeq*2] + ADD_PIXELS_CLAMPED 96 + RET |