mirror of https://git.ffmpeg.org/ffmpeg.git
566 lines
14 KiB
NASM
566 lines
14 KiB
NASM
;*****************************************************************************
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;* MMX/SSE2/AVX-optimized 10-bit H.264 iDCT code
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;*****************************************************************************
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;* Copyright (C) 2005-2011 x264 project
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;*
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;* Authors: Daniel Kang <daniel.d.kang@gmail.com>
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;*
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;* This file is part of Libav.
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;*
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;* Libav is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* Libav is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with Libav; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "libavutil/x86/x86inc.asm"
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%include "libavutil/x86/x86util.asm"
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SECTION_RODATA
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pw_pixel_max: times 8 dw ((1 << 10)-1)
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pd_32: times 4 dd 32
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scan8_mem: db 4+ 1*8, 5+ 1*8, 4+ 2*8, 5+ 2*8
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db 6+ 1*8, 7+ 1*8, 6+ 2*8, 7+ 2*8
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db 4+ 3*8, 5+ 3*8, 4+ 4*8, 5+ 4*8
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db 6+ 3*8, 7+ 3*8, 6+ 4*8, 7+ 4*8
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db 4+ 6*8, 5+ 6*8, 4+ 7*8, 5+ 7*8
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db 6+ 6*8, 7+ 6*8, 6+ 7*8, 7+ 7*8
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db 4+ 8*8, 5+ 8*8, 4+ 9*8, 5+ 9*8
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db 6+ 8*8, 7+ 8*8, 6+ 9*8, 7+ 9*8
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db 4+11*8, 5+11*8, 4+12*8, 5+12*8
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db 6+11*8, 7+11*8, 6+12*8, 7+12*8
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db 4+13*8, 5+13*8, 4+14*8, 5+14*8
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db 6+13*8, 7+13*8, 6+14*8, 7+14*8
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%ifdef PIC
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%define scan8 r11
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%else
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%define scan8 scan8_mem
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%endif
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SECTION .text
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;-----------------------------------------------------------------------------
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; void h264_idct_add(pixel *dst, dctcoef *block, int stride)
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;-----------------------------------------------------------------------------
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%macro STORE_DIFFx2 6
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psrad %1, 6
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psrad %2, 6
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packssdw %1, %2
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movq %3, [%5]
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movhps %3, [%5+%6]
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paddsw %1, %3
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CLIPW %1, %4, [pw_pixel_max]
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movq [%5], %1
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movhps [%5+%6], %1
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%endmacro
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%macro STORE_DIFF16 5
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psrad %1, 6
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psrad %2, 6
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packssdw %1, %2
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paddsw %1, [%5]
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CLIPW %1, %3, %4
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mova [%5], %1
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%endmacro
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;dst, in, stride
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%macro IDCT4_ADD_10 3
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mova m0, [%2+ 0]
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mova m1, [%2+16]
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mova m2, [%2+32]
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mova m3, [%2+48]
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IDCT4_1D d,0,1,2,3,4,5
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TRANSPOSE4x4D 0,1,2,3,4
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paddd m0, [pd_32]
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IDCT4_1D d,0,1,2,3,4,5
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pxor m5, m5
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STORE_DIFFx2 m0, m1, m4, m5, %1, %3
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lea %1, [%1+%3*2]
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STORE_DIFFx2 m2, m3, m4, m5, %1, %3
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%endmacro
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%macro IDCT_ADD_10 1
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cglobal h264_idct_add_10_%1, 3,3
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IDCT4_ADD_10 r0, r1, r2
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RET
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%endmacro
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INIT_XMM
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IDCT_ADD_10 sse2
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%ifdef HAVE_AVX
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INIT_AVX
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IDCT_ADD_10 avx
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%endif
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;-----------------------------------------------------------------------------
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; h264_idct_add16(pixel *dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
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;-----------------------------------------------------------------------------
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;;;;;;; NO FATE SAMPLES TRIGGER THIS
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%macro ADD4x4IDCT 1
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add4x4_idct_%1:
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add r5, r0
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mova m0, [r2+ 0]
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mova m1, [r2+16]
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mova m2, [r2+32]
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mova m3, [r2+48]
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IDCT4_1D d,0,1,2,3,4,5
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TRANSPOSE4x4D 0,1,2,3,4
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paddd m0, [pd_32]
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IDCT4_1D d,0,1,2,3,4,5
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pxor m5, m5
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STORE_DIFFx2 m0, m1, m4, m5, r5, r3
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lea r5, [r5+r3*2]
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STORE_DIFFx2 m2, m3, m4, m5, r5, r3
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ret
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%endmacro
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INIT_XMM
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ALIGN 16
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ADD4x4IDCT sse2
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%ifdef HAVE_AVX
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INIT_AVX
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ALIGN 16
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ADD4x4IDCT avx
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%endif
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%macro ADD16_OP 3
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cmp byte [r4+%3], 0
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jz .skipblock%2
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mov r5d, [r1+%2*4]
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call add4x4_idct_%1
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.skipblock%2:
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%if %2<15
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add r2, 64
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%endif
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%endmacro
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%macro IDCT_ADD16_10 1
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cglobal h264_idct_add16_10_%1, 5,6
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ADD16_OP %1, 0, 4+1*8
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ADD16_OP %1, 1, 5+1*8
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ADD16_OP %1, 2, 4+2*8
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ADD16_OP %1, 3, 5+2*8
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ADD16_OP %1, 4, 6+1*8
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ADD16_OP %1, 5, 7+1*8
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ADD16_OP %1, 6, 6+2*8
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ADD16_OP %1, 7, 7+2*8
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ADD16_OP %1, 8, 4+3*8
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ADD16_OP %1, 9, 5+3*8
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ADD16_OP %1, 10, 4+4*8
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ADD16_OP %1, 11, 5+4*8
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ADD16_OP %1, 12, 6+3*8
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ADD16_OP %1, 13, 7+3*8
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ADD16_OP %1, 14, 6+4*8
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ADD16_OP %1, 15, 7+4*8
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REP_RET
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%endmacro
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INIT_XMM
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IDCT_ADD16_10 sse2
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%ifdef HAVE_AVX
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INIT_AVX
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IDCT_ADD16_10 avx
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%endif
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;-----------------------------------------------------------------------------
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; void h264_idct_dc_add(pixel *dst, dctcoef *block, int stride)
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;-----------------------------------------------------------------------------
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%macro IDCT_DC_ADD_OP_10 3
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pxor m5, m5
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%if avx_enabled
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paddw m1, m0, [%1+0 ]
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paddw m2, m0, [%1+%2 ]
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paddw m3, m0, [%1+%2*2]
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paddw m4, m0, [%1+%3 ]
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%else
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mova m1, [%1+0 ]
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mova m2, [%1+%2 ]
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mova m3, [%1+%2*2]
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mova m4, [%1+%3 ]
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paddw m1, m0
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paddw m2, m0
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paddw m3, m0
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paddw m4, m0
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%endif
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CLIPW m1, m5, m6
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CLIPW m2, m5, m6
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CLIPW m3, m5, m6
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CLIPW m4, m5, m6
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mova [%1+0 ], m1
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mova [%1+%2 ], m2
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mova [%1+%2*2], m3
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mova [%1+%3 ], m4
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%endmacro
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INIT_MMX
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cglobal h264_idct_dc_add_10_mmx2,3,3
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movd m0, [r1]
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paddd m0, [pd_32]
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psrad m0, 6
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lea r1, [r2*3]
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pshufw m0, m0, 0
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mova m6, [pw_pixel_max]
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IDCT_DC_ADD_OP_10 r0, r2, r1
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RET
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;-----------------------------------------------------------------------------
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; void h264_idct8_dc_add(pixel *dst, dctcoef *block, int stride)
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;-----------------------------------------------------------------------------
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%macro IDCT8_DC_ADD 1
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cglobal h264_idct8_dc_add_10_%1,3,3,7
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mov r1d, [r1]
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add r1, 32
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sar r1, 6
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movd m0, r1d
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lea r1, [r2*3]
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SPLATW m0, m0, 0
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mova m6, [pw_pixel_max]
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IDCT_DC_ADD_OP_10 r0, r2, r1
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lea r0, [r0+r2*4]
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IDCT_DC_ADD_OP_10 r0, r2, r1
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RET
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%endmacro
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INIT_XMM
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IDCT8_DC_ADD sse2
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%ifdef HAVE_AVX
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INIT_AVX
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IDCT8_DC_ADD avx
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%endif
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;-----------------------------------------------------------------------------
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; h264_idct_add16intra(pixel *dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
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;-----------------------------------------------------------------------------
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%macro AC 2
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.ac%2
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mov r5d, [r1+(%2+0)*4]
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call add4x4_idct_%1
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mov r5d, [r1+(%2+1)*4]
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add r2, 64
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call add4x4_idct_%1
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add r2, 64
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jmp .skipadd%2
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%endmacro
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%assign last_block 16
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%macro ADD16_OP_INTRA 3
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cmp word [r4+%3], 0
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jnz .ac%2
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mov r5d, [r2+ 0]
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or r5d, [r2+64]
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jz .skipblock%2
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mov r5d, [r1+(%2+0)*4]
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call idct_dc_add_%1
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.skipblock%2:
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%if %2<last_block-2
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add r2, 128
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%endif
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.skipadd%2:
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%endmacro
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%macro IDCT_ADD16INTRA_10 1
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idct_dc_add_%1:
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add r5, r0
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movq m0, [r2+ 0]
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movhps m0, [r2+64]
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paddd m0, [pd_32]
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psrad m0, 6
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pshufhw m0, m0, 0
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pshuflw m0, m0, 0
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lea r6, [r3*3]
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mova m6, [pw_pixel_max]
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IDCT_DC_ADD_OP_10 r5, r3, r6
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ret
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cglobal h264_idct_add16intra_10_%1,5,7,8
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ADD16_OP_INTRA %1, 0, 4+1*8
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ADD16_OP_INTRA %1, 2, 4+2*8
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ADD16_OP_INTRA %1, 4, 6+1*8
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ADD16_OP_INTRA %1, 6, 6+2*8
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ADD16_OP_INTRA %1, 8, 4+3*8
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ADD16_OP_INTRA %1, 10, 4+4*8
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ADD16_OP_INTRA %1, 12, 6+3*8
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ADD16_OP_INTRA %1, 14, 6+4*8
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REP_RET
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AC %1, 8
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AC %1, 10
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AC %1, 12
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AC %1, 14
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AC %1, 0
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AC %1, 2
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AC %1, 4
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AC %1, 6
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%endmacro
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INIT_XMM
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IDCT_ADD16INTRA_10 sse2
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%ifdef HAVE_AVX
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INIT_AVX
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IDCT_ADD16INTRA_10 avx
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%endif
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%assign last_block 36
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;-----------------------------------------------------------------------------
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; h264_idct_add8(pixel **dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
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;-----------------------------------------------------------------------------
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%macro IDCT_ADD8 1
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cglobal h264_idct_add8_10_%1,5,7
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%ifdef ARCH_X86_64
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mov r10, r0
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%endif
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add r2, 1024
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mov r0, [r0]
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ADD16_OP_INTRA %1, 16, 4+ 6*8
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ADD16_OP_INTRA %1, 18, 4+ 7*8
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add r2, 1024-128*2
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%ifdef ARCH_X86_64
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mov r0, [r10+gprsize]
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%else
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mov r0, r0m
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mov r0, [r0+gprsize]
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%endif
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ADD16_OP_INTRA %1, 32, 4+11*8
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ADD16_OP_INTRA %1, 34, 4+12*8
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REP_RET
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AC %1, 16
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AC %1, 18
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AC %1, 32
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AC %1, 34
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%endmacro ; IDCT_ADD8
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INIT_XMM
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IDCT_ADD8 sse2
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%ifdef HAVE_AVX
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INIT_AVX
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IDCT_ADD8 avx
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%endif
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;-----------------------------------------------------------------------------
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; void h264_idct8_add(pixel *dst, dctcoef *block, int stride)
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;-----------------------------------------------------------------------------
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%macro IDCT8_1D 2
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SWAP 0, 1
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psrad m4, m5, 1
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psrad m1, m0, 1
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paddd m4, m5
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paddd m1, m0
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paddd m4, m7
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paddd m1, m5
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psubd m4, m0
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paddd m1, m3
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psubd m0, m3
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psubd m5, m3
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paddd m0, m7
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psubd m5, m7
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psrad m3, 1
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psrad m7, 1
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psubd m0, m3
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psubd m5, m7
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SWAP 1, 7
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psrad m1, m7, 2
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psrad m3, m4, 2
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paddd m3, m0
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psrad m0, 2
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paddd m1, m5
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psrad m5, 2
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psubd m0, m4
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psubd m7, m5
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SWAP 5, 6
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psrad m4, m2, 1
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psrad m6, m5, 1
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psubd m4, m5
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paddd m6, m2
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mova m2, %1
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mova m5, %2
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SUMSUB_BA d, 5, 2
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SUMSUB_BA d, 6, 5
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SUMSUB_BA d, 4, 2
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SUMSUB_BA d, 7, 6
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SUMSUB_BA d, 0, 4
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SUMSUB_BA d, 3, 2
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SUMSUB_BA d, 1, 5
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SWAP 7, 6, 4, 5, 2, 3, 1, 0 ; 70315246 -> 01234567
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%endmacro
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%macro IDCT8_1D_FULL 1
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mova m7, [%1+112*2]
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mova m6, [%1+ 96*2]
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mova m5, [%1+ 80*2]
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mova m3, [%1+ 48*2]
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mova m2, [%1+ 32*2]
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mova m1, [%1+ 16*2]
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IDCT8_1D [%1], [%1+ 64*2]
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%endmacro
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; %1=int16_t *block, %2=int16_t *dstblock
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%macro IDCT8_ADD_SSE_START 2
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IDCT8_1D_FULL %1
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%ifdef ARCH_X86_64
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TRANSPOSE4x4D 0,1,2,3,8
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mova [%2 ], m0
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TRANSPOSE4x4D 4,5,6,7,8
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mova [%2+8*2], m4
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%else
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mova [%1], m7
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TRANSPOSE4x4D 0,1,2,3,7
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mova m7, [%1]
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mova [%2 ], m0
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mova [%2+16*2], m1
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mova [%2+32*2], m2
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mova [%2+48*2], m3
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TRANSPOSE4x4D 4,5,6,7,3
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mova [%2+ 8*2], m4
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mova [%2+24*2], m5
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mova [%2+40*2], m6
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mova [%2+56*2], m7
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%endif
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%endmacro
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; %1=uint8_t *dst, %2=int16_t *block, %3=int stride
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%macro IDCT8_ADD_SSE_END 3
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IDCT8_1D_FULL %2
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mova [%2 ], m6
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mova [%2+16*2], m7
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pxor m7, m7
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STORE_DIFFx2 m0, m1, m6, m7, %1, %3
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lea %1, [%1+%3*2]
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STORE_DIFFx2 m2, m3, m6, m7, %1, %3
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mova m0, [%2 ]
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mova m1, [%2+16*2]
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lea %1, [%1+%3*2]
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STORE_DIFFx2 m4, m5, m6, m7, %1, %3
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lea %1, [%1+%3*2]
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STORE_DIFFx2 m0, m1, m6, m7, %1, %3
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%endmacro
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%macro IDCT8_ADD 1
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cglobal h264_idct8_add_10_%1, 3,4,16
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%ifndef UNIX64
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%assign pad 16-gprsize-(stack_offset&15)
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sub rsp, pad
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call h264_idct8_add1_10_%1
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add rsp, pad
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RET
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%endif
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ALIGN 16
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; TODO: does not need to use stack
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h264_idct8_add1_10_%1:
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%assign pad 256+16-gprsize
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sub rsp, pad
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add dword [r1], 32
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%ifdef ARCH_X86_64
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IDCT8_ADD_SSE_START r1, rsp
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|
SWAP 1, 9
|
|
SWAP 2, 10
|
|
SWAP 3, 11
|
|
SWAP 5, 13
|
|
SWAP 6, 14
|
|
SWAP 7, 15
|
|
IDCT8_ADD_SSE_START r1+16, rsp+128
|
|
PERMUTE 1,9, 2,10, 3,11, 5,1, 6,2, 7,3, 9,13, 10,14, 11,15, 13,5, 14,6, 15,7
|
|
IDCT8_1D [rsp], [rsp+128]
|
|
SWAP 0, 8
|
|
SWAP 1, 9
|
|
SWAP 2, 10
|
|
SWAP 3, 11
|
|
SWAP 4, 12
|
|
SWAP 5, 13
|
|
SWAP 6, 14
|
|
SWAP 7, 15
|
|
IDCT8_1D [rsp+16], [rsp+144]
|
|
psrad m8, 6
|
|
psrad m0, 6
|
|
packssdw m8, m0
|
|
paddsw m8, [r0]
|
|
pxor m0, m0
|
|
CLIPW m8, m0, [pw_pixel_max]
|
|
mova [r0], m8
|
|
mova m8, [pw_pixel_max]
|
|
STORE_DIFF16 m9, m1, m0, m8, r0+r2
|
|
lea r0, [r0+r2*2]
|
|
STORE_DIFF16 m10, m2, m0, m8, r0
|
|
STORE_DIFF16 m11, m3, m0, m8, r0+r2
|
|
lea r0, [r0+r2*2]
|
|
STORE_DIFF16 m12, m4, m0, m8, r0
|
|
STORE_DIFF16 m13, m5, m0, m8, r0+r2
|
|
lea r0, [r0+r2*2]
|
|
STORE_DIFF16 m14, m6, m0, m8, r0
|
|
STORE_DIFF16 m15, m7, m0, m8, r0+r2
|
|
%else
|
|
IDCT8_ADD_SSE_START r1, rsp
|
|
IDCT8_ADD_SSE_START r1+16, rsp+128
|
|
lea r3, [r0+8]
|
|
IDCT8_ADD_SSE_END r0, rsp, r2
|
|
IDCT8_ADD_SSE_END r3, rsp+16, r2
|
|
%endif ; ARCH_X86_64
|
|
|
|
add rsp, pad
|
|
ret
|
|
%endmacro
|
|
|
|
INIT_XMM
|
|
IDCT8_ADD sse2
|
|
%ifdef HAVE_AVX
|
|
INIT_AVX
|
|
IDCT8_ADD avx
|
|
%endif
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; h264_idct8_add4(pixel **dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
|
|
;-----------------------------------------------------------------------------
|
|
;;;;;;; NO FATE SAMPLES TRIGGER THIS
|
|
%macro IDCT8_ADD4_OP 3
|
|
cmp byte [r4+%3], 0
|
|
jz .skipblock%2
|
|
mov r0d, [r6+%2*4]
|
|
add r0, r5
|
|
call h264_idct8_add1_10_%1
|
|
.skipblock%2:
|
|
%if %2<12
|
|
add r1, 256
|
|
%endif
|
|
%endmacro
|
|
|
|
%macro IDCT8_ADD4 1
|
|
cglobal h264_idct8_add4_10_%1, 0,7,16
|
|
%assign pad 16-gprsize-(stack_offset&15)
|
|
SUB rsp, pad
|
|
mov r5, r0mp
|
|
mov r6, r1mp
|
|
mov r1, r2mp
|
|
mov r2d, r3m
|
|
movifnidn r4, r4mp
|
|
IDCT8_ADD4_OP %1, 0, 4+1*8
|
|
IDCT8_ADD4_OP %1, 4, 6+1*8
|
|
IDCT8_ADD4_OP %1, 8, 4+3*8
|
|
IDCT8_ADD4_OP %1, 12, 6+3*8
|
|
ADD rsp, pad
|
|
RET
|
|
%endmacro ; IDCT8_ADD4
|
|
|
|
INIT_XMM
|
|
IDCT8_ADD4 sse2
|
|
%ifdef HAVE_AVX
|
|
INIT_AVX
|
|
IDCT8_ADD4 avx
|
|
%endif
|