summaryrefslogtreecommitdiff
path: root/libavcodec/x86/dwt_yasm.asm
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/x86/dwt_yasm.asm')
-rw-r--r--libavcodec/x86/dwt_yasm.asm306
1 files changed, 306 insertions, 0 deletions
diff --git a/libavcodec/x86/dwt_yasm.asm b/libavcodec/x86/dwt_yasm.asm
new file mode 100644
index 0000000000..5253abc6c8
--- /dev/null
+++ b/libavcodec/x86/dwt_yasm.asm
@@ -0,0 +1,306 @@
+;******************************************************************************
+;* MMX optimized discrete wavelet trasnform
+;* Copyright (c) 2010 David Conrad
+;*
+;* 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
+;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;******************************************************************************
+
+%include "libavutil/x86/x86util.asm"
+
+SECTION_RODATA
+pw_1: times 8 dw 1
+pw_2: times 8 dw 2
+pw_8: times 8 dw 8
+pw_16: times 8 dw 16
+pw_1991: times 4 dw 9,-1
+
+section .text
+
+; %1 -= (%2 + %3 + 2)>>2 %4 is pw_2
+%macro COMPOSE_53iL0 4
+ paddw %2, %3
+ paddw %2, %4
+ psraw %2, 2
+ psubw %1, %2
+%endm
+
+; m1 = %1 + (-m0 + 9*m1 + 9*%2 -%3 + 8)>>4
+; if %4 is supplied, %1 is loaded unaligned from there
+; m2: clobbered m3: pw_8 m4: pw_1991
+%macro COMPOSE_DD97iH0 3-4
+ paddw m0, %3
+ paddw m1, %2
+ psubw m0, m3
+ mova m2, m1
+ punpcklwd m1, m0
+ punpckhwd m2, m0
+ pmaddwd m1, m4
+ pmaddwd m2, m4
+%if %0 > 3
+ movu %1, %4
+%endif
+ psrad m1, 4
+ psrad m2, 4
+ packssdw m1, m2
+ paddw m1, %1
+%endm
+
+%macro COMPOSE_VERTICAL 1
+; void vertical_compose53iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
+; int width)
+cglobal vertical_compose53iL0_%1, 4,4,1, b0, b1, b2, width
+ mova m2, [pw_2]
+%if ARCH_X86_64
+ mov widthd, widthd
+%endif
+.loop:
+ sub widthq, mmsize/2
+ mova m1, [b0q+2*widthq]
+ mova m0, [b1q+2*widthq]
+ COMPOSE_53iL0 m0, m1, [b2q+2*widthq], m2
+ mova [b1q+2*widthq], m0
+ jg .loop
+ REP_RET
+
+; void vertical_compose_dirac53iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
+; int width)
+cglobal vertical_compose_dirac53iH0_%1, 4,4,1, b0, b1, b2, width
+ mova m1, [pw_1]
+%if ARCH_X86_64
+ mov widthd, widthd
+%endif
+.loop:
+ sub widthq, mmsize/2
+ mova m0, [b0q+2*widthq]
+ paddw m0, [b2q+2*widthq]
+ paddw m0, m1
+ psraw m0, 1
+ paddw m0, [b1q+2*widthq]
+ mova [b1q+2*widthq], m0
+ jg .loop
+ REP_RET
+
+; void vertical_compose_dd97iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
+; IDWTELEM *b3, IDWTELEM *b4, int width)
+cglobal vertical_compose_dd97iH0_%1, 6,6,5, b0, b1, b2, b3, b4, width
+ mova m3, [pw_8]
+ mova m4, [pw_1991]
+%if ARCH_X86_64
+ mov widthd, widthd
+%endif
+.loop:
+ sub widthq, mmsize/2
+ mova m0, [b0q+2*widthq]
+ mova m1, [b1q+2*widthq]
+ COMPOSE_DD97iH0 [b2q+2*widthq], [b3q+2*widthq], [b4q+2*widthq]
+ mova [b2q+2*widthq], m1
+ jg .loop
+ REP_RET
+
+; void vertical_compose_dd137iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
+; IDWTELEM *b3, IDWTELEM *b4, int width)
+cglobal vertical_compose_dd137iL0_%1, 6,6,6, b0, b1, b2, b3, b4, width
+ mova m3, [pw_16]
+ mova m4, [pw_1991]
+%if ARCH_X86_64
+ mov widthd, widthd
+%endif
+.loop:
+ sub widthq, mmsize/2
+ mova m0, [b0q+2*widthq]
+ mova m1, [b1q+2*widthq]
+ mova m5, [b2q+2*widthq]
+ paddw m0, [b4q+2*widthq]
+ paddw m1, [b3q+2*widthq]
+ psubw m0, m3
+ mova m2, m1
+ punpcklwd m1, m0
+ punpckhwd m2, m0
+ pmaddwd m1, m4
+ pmaddwd m2, m4
+ psrad m1, 5
+ psrad m2, 5
+ packssdw m1, m2
+ psubw m5, m1
+ mova [b2q+2*widthq], m5
+ jg .loop
+ REP_RET
+
+; void vertical_compose_haar(IDWTELEM *b0, IDWTELEM *b1, int width)
+cglobal vertical_compose_haar_%1, 3,4,3, b0, b1, width
+ mova m3, [pw_1]
+%if ARCH_X86_64
+ mov widthd, widthd
+%endif
+.loop:
+ sub widthq, mmsize/2
+ mova m1, [b1q+2*widthq]
+ mova m0, [b0q+2*widthq]
+ mova m2, m1
+ paddw m1, m3
+ psraw m1, 1
+ psubw m0, m1
+ mova [b0q+2*widthq], m0
+ paddw m2, m0
+ mova [b1q+2*widthq], m2
+ jg .loop
+ REP_RET
+%endmacro
+
+; extend the left and right edges of the tmp array by %1 and %2 respectively
+%macro EDGE_EXTENSION 3
+ mov %3, [tmpq]
+%assign %%i 1
+%rep %1
+ mov [tmpq-2*%%i], %3
+ %assign %%i %%i+1
+%endrep
+ mov %3, [tmpq+2*w2q-2]
+%assign %%i 0
+%rep %2
+ mov [tmpq+2*w2q+2*%%i], %3
+ %assign %%i %%i+1
+%endrep
+%endmacro
+
+
+%macro HAAR_HORIZONTAL 2
+; void horizontal_compose_haari(IDWTELEM *b, IDWTELEM *tmp, int width)
+cglobal horizontal_compose_haar%2i_%1, 3,6,4, b, tmp, w, x, w2, b_w2
+ mov w2d, wd
+ xor xq, xq
+ shr w2d, 1
+ lea b_w2q, [bq+wq]
+ mova m3, [pw_1]
+.lowpass_loop:
+ movu m1, [b_w2q + 2*xq]
+ mova m0, [bq + 2*xq]
+ paddw m1, m3
+ psraw m1, 1
+ psubw m0, m1
+ mova [tmpq + 2*xq], m0
+ add xq, mmsize/2
+ cmp xq, w2q
+ jl .lowpass_loop
+
+ xor xq, xq
+ and w2q, ~(mmsize/2 - 1)
+ cmp w2q, mmsize/2
+ jl .end
+
+.highpass_loop:
+ movu m1, [b_w2q + 2*xq]
+ mova m0, [tmpq + 2*xq]
+ paddw m1, m0
+
+ ; shift and interleave
+%if %2 == 1
+ paddw m0, m3
+ paddw m1, m3
+ psraw m0, 1
+ psraw m1, 1
+%endif
+ mova m2, m0
+ punpcklwd m0, m1
+ punpckhwd m2, m1
+ mova [bq+4*xq], m0
+ mova [bq+4*xq+mmsize], m2
+
+ add xq, mmsize/2
+ cmp xq, w2q
+ jl .highpass_loop
+.end:
+ REP_RET
+%endmacro
+
+
+INIT_XMM
+; void horizontal_compose_dd97i(IDWTELEM *b, IDWTELEM *tmp, int width)
+cglobal horizontal_compose_dd97i_ssse3, 3,6,8, b, tmp, w, x, w2, b_w2
+ mov w2d, wd
+ xor xd, xd
+ shr w2d, 1
+ lea b_w2q, [bq+wq]
+ movu m4, [bq+wq]
+ mova m7, [pw_2]
+ pslldq m4, 14
+.lowpass_loop:
+ movu m1, [b_w2q + 2*xq]
+ mova m0, [bq + 2*xq]
+ mova m2, m1
+ palignr m1, m4, 14
+ mova m4, m2
+ COMPOSE_53iL0 m0, m1, m2, m7
+ mova [tmpq + 2*xq], m0
+ add xd, mmsize/2
+ cmp xd, w2d
+ jl .lowpass_loop
+
+ EDGE_EXTENSION 1, 2, xw
+ ; leave the last up to 7 (sse) or 3 (mmx) values for C
+ xor xd, xd
+ and w2d, ~(mmsize/2 - 1)
+ cmp w2d, mmsize/2
+ jl .end
+
+ mova m7, [tmpq-mmsize]
+ mova m0, [tmpq]
+ mova m5, [pw_1]
+ mova m3, [pw_8]
+ mova m4, [pw_1991]
+.highpass_loop:
+ mova m6, m0
+ palignr m0, m7, 14
+ mova m7, [tmpq + 2*xq + 16]
+ mova m1, m7
+ mova m2, m7
+ palignr m1, m6, 2
+ palignr m2, m6, 4
+ COMPOSE_DD97iH0 m0, m6, m2, [b_w2q + 2*xq]
+ mova m0, m7
+ mova m7, m6
+
+ ; shift and interleave
+ paddw m6, m5
+ paddw m1, m5
+ psraw m6, 1
+ psraw m1, 1
+ mova m2, m6
+ punpcklwd m6, m1
+ punpckhwd m2, m1
+ mova [bq+4*xq], m6
+ mova [bq+4*xq+mmsize], m2
+
+ add xd, mmsize/2
+ cmp xd, w2d
+ jl .highpass_loop
+.end:
+ REP_RET
+
+
+%if ARCH_X86_64 == 0
+INIT_MMX
+COMPOSE_VERTICAL mmx
+HAAR_HORIZONTAL mmx, 0
+HAAR_HORIZONTAL mmx, 1
+%endif
+
+;;INIT_XMM
+INIT_XMM
+COMPOSE_VERTICAL sse2
+HAAR_HORIZONTAL sse2, 0
+HAAR_HORIZONTAL sse2, 1