diff options
Diffstat (limited to 'ffmpeg/libavcodec/x86/rv34dsp.asm')
| -rw-r--r-- | ffmpeg/libavcodec/x86/rv34dsp.asm | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/ffmpeg/libavcodec/x86/rv34dsp.asm b/ffmpeg/libavcodec/x86/rv34dsp.asm deleted file mode 100644 index 7732d65..0000000 --- a/ffmpeg/libavcodec/x86/rv34dsp.asm +++ /dev/null @@ -1,196 +0,0 @@ -;****************************************************************************** -;* MMX/SSE2-optimized functions for the RV30 and RV40 decoders -;* Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@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 -;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA -;****************************************************************************** - -%include "libavutil/x86/x86util.asm" - -SECTION_RODATA -pw_row_coeffs: times 4 dw 13 - times 4 dw 17 - times 4 dw 7 -pd_512: times 2 dd 0x200 -pw_col_coeffs: dw 13, 13, 13, -13 - dw 17, 7, 7, -17 - dw 13, -13, 13, 13 - dw -7, 17, -17, -7 - -SECTION .text - -%macro IDCT_DC_NOROUND 1 - imul %1, 13*13*3 - sar %1, 11 -%endmacro - -%macro IDCT_DC_ROUND 1 - imul %1, 13*13 - add %1, 0x200 - sar %1, 10 -%endmacro - -%macro rv34_idct 1 -cglobal rv34_idct_%1, 1, 2, 0 - movsx r1, word [r0] - IDCT_DC r1 - movd m0, r1d - pshufw m0, m0, 0 - movq [r0+ 0], m0 - movq [r0+ 8], m0 - movq [r0+16], m0 - movq [r0+24], m0 - REP_RET -%endmacro - -INIT_MMX mmxext -%define IDCT_DC IDCT_DC_ROUND -rv34_idct dc -%define IDCT_DC IDCT_DC_NOROUND -rv34_idct dc_noround - -; ff_rv34_idct_dc_add_mmx(uint8_t *dst, int stride, int dc); -INIT_MMX mmx -cglobal rv34_idct_dc_add, 3, 3 - ; calculate DC - IDCT_DC_ROUND r2 - pxor m1, m1 - movd m0, r2d - psubw m1, m0 - packuswb m0, m0 - packuswb m1, m1 - punpcklbw m0, m0 - punpcklbw m1, m1 - punpcklwd m0, m0 - punpcklwd m1, m1 - - ; add DC - lea r2, [r0+r1*2] - movh m2, [r0] - movh m3, [r0+r1] - movh m4, [r2] - movh m5, [r2+r1] - paddusb m2, m0 - paddusb m3, m0 - paddusb m4, m0 - paddusb m5, m0 - psubusb m2, m1 - psubusb m3, m1 - psubusb m4, m1 - psubusb m5, m1 - movh [r0], m2 - movh [r0+r1], m3 - movh [r2], m4 - movh [r2+r1], m5 - RET - -; Load coeffs and perform row transform -; Output: coeffs in mm[0467], rounder in mm5 -%macro ROW_TRANSFORM 1 - pxor mm7, mm7 - mova mm0, [%1+ 0*8] - mova mm1, [%1+ 1*8] - mova mm2, [%1+ 2*8] - mova mm3, [%1+ 3*8] - mova [%1+ 0*8], mm7 - mova [%1+ 1*8], mm7 - mova [%1+ 2*8], mm7 - mova [%1+ 3*8], mm7 - mova mm4, mm0 - mova mm6, [pw_row_coeffs+ 0] - paddsw mm0, mm2 ; b0 + b2 - psubsw mm4, mm2 ; b0 - b2 - pmullw mm0, mm6 ; *13 = z0 - pmullw mm4, mm6 ; *13 = z1 - mova mm5, mm1 - pmullw mm1, [pw_row_coeffs+ 8] ; b1*17 - pmullw mm5, [pw_row_coeffs+16] ; b1* 7 - mova mm7, mm3 - pmullw mm3, [pw_row_coeffs+ 8] ; b3*17 - pmullw mm7, [pw_row_coeffs+16] ; b3* 7 - paddsw mm1, mm7 ; z3 = b1*17 + b3* 7 - psubsw mm5, mm3 ; z2 = b1* 7 - b3*17 - mova mm7, mm0 - mova mm6, mm4 - paddsw mm0, mm1 ; z0 + z3 - psubsw mm7, mm1 ; z0 - z3 - paddsw mm4, mm5 ; z1 + z2 - psubsw mm6, mm5 ; z1 - z2 - mova mm5, [pd_512] ; 0x200 -%endmacro - -; ff_rv34_idct_add_mmxext(uint8_t *dst, ptrdiff_t stride, int16_t *block); -%macro COL_TRANSFORM 4 - pshufw mm3, %2, 0xDD ; col. 1,3,1,3 - pshufw %2, %2, 0x88 ; col. 0,2,0,2 - pmaddwd %2, %3 ; 13*c0+13*c2 | 13*c0-13*c2 = z0 | z1 - pmaddwd mm3, %4 ; 17*c1+ 7*c3 | 7*c1-17*c3 = z3 | z2 - paddd %2, mm5 - pshufw mm1, %2, 01001110b ; z1 | z0 - pshufw mm2, mm3, 01001110b ; z2 | z3 - paddd %2, mm3 ; z0+z3 | z1+z2 - psubd mm1, mm2 ; z1-z2 | z0-z3 - movd mm3, %1 - psrad %2, 10 - pxor mm2, mm2 - psrad mm1, 10 - punpcklbw mm3, mm2 - packssdw %2, mm1 - paddw %2, mm3 - packuswb %2, %2 - movd %1, %2 -%endmacro -INIT_MMX mmxext -cglobal rv34_idct_add, 3,3,0, d, s, b - ROW_TRANSFORM bq - COL_TRANSFORM [dq], mm0, [pw_col_coeffs+ 0], [pw_col_coeffs+ 8] - mova mm0, [pw_col_coeffs+ 0] - COL_TRANSFORM [dq+sq], mm4, mm0, [pw_col_coeffs+ 8] - mova mm4, [pw_col_coeffs+ 8] - lea dq, [dq + 2*sq] - COL_TRANSFORM [dq], mm6, mm0, mm4 - COL_TRANSFORM [dq+sq], mm7, mm0, mm4 - ret - -; ff_rv34_idct_dc_add_sse4(uint8_t *dst, int stride, int dc); -INIT_XMM sse4 -cglobal rv34_idct_dc_add, 3, 3, 6 - ; load data - IDCT_DC_ROUND r2 - pxor m1, m1 - - ; calculate DC - movd m0, r2d - lea r2, [r0+r1*2] - movd m2, [r0] - movd m3, [r0+r1] - pshuflw m0, m0, 0 - movd m4, [r2] - movd m5, [r2+r1] - punpcklqdq m0, m0 - punpckldq m2, m3 - punpckldq m4, m5 - punpcklbw m2, m1 - punpcklbw m4, m1 - paddw m2, m0 - paddw m4, m0 - packuswb m2, m4 - movd [r0], m2 - pextrd [r0+r1], m2, 1 - pextrd [r2], m2, 2 - pextrd [r2+r1], m2, 3 - RET |