mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-18 14:26:43 +00:00
b339812c07
Code copied from Libav, commit 26e4f0c70. Will eventually be moved to -ugly because underlying code is GPL.
262 lines
9.9 KiB
C
262 lines
9.9 KiB
C
/*
|
|
* Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Libav 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with Libav; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifdef COMPILE_TEMPLATE_SSE2
|
|
#define MM "%%xmm"
|
|
#define MOV "movq"
|
|
#define MOVQ "movdqa"
|
|
#define MOVQU "movdqu"
|
|
#define STEP 8
|
|
#define LOAD(mem,dst) \
|
|
MOV" "mem", "dst" \n\t"\
|
|
"punpcklbw "MM"7, "dst" \n\t"
|
|
#define PSRL1(reg) "psrldq $1, "reg" \n\t"
|
|
#define PSRL2(reg) "psrldq $2, "reg" \n\t"
|
|
#define PSHUF(src,dst) "movdqa "dst", "src" \n\t"\
|
|
"psrldq $2, "src" \n\t"
|
|
#else
|
|
#define MM "%%mm"
|
|
#define MOV "movd"
|
|
#define MOVQ "movq"
|
|
#define MOVQU "movq"
|
|
#define STEP 4
|
|
#define LOAD(mem,dst) \
|
|
MOV" "mem", "dst" \n\t"\
|
|
"punpcklbw "MM"7, "dst" \n\t"
|
|
#define PSRL1(reg) "psrlq $8, "reg" \n\t"
|
|
#define PSRL2(reg) "psrlq $16, "reg" \n\t"
|
|
#define PSHUF(src,dst) "pshufw $9, "dst", "src" \n\t"
|
|
#endif
|
|
|
|
#ifdef COMPILE_TEMPLATE_SSSE3
|
|
#define PABS(tmp,dst) \
|
|
"pabsw "dst", "dst" \n\t"
|
|
#else
|
|
#define PABS(tmp,dst) \
|
|
"pxor "tmp", "tmp" \n\t"\
|
|
"psubw "dst", "tmp" \n\t"\
|
|
"pmaxsw "tmp", "dst" \n\t"
|
|
#endif
|
|
|
|
#define CHECK(pj,mj) \
|
|
MOVQU" "#pj"(%[cur],%[mrefs]), "MM"2 \n\t" /* cur[x-refs-1+j] */\
|
|
MOVQU" "#mj"(%[cur],%[prefs]), "MM"3 \n\t" /* cur[x+refs-1-j] */\
|
|
MOVQ" "MM"2, "MM"4 \n\t"\
|
|
MOVQ" "MM"2, "MM"5 \n\t"\
|
|
"pxor "MM"3, "MM"4 \n\t"\
|
|
"pavgb "MM"3, "MM"5 \n\t"\
|
|
"pand "MANGLE(pb_1)", "MM"4 \n\t"\
|
|
"psubusb "MM"4, "MM"5 \n\t"\
|
|
PSRL1(MM"5") \
|
|
"punpcklbw "MM"7, "MM"5 \n\t" /* (cur[x-refs+j] + cur[x+refs-j])>>1 */\
|
|
MOVQ" "MM"2, "MM"4 \n\t"\
|
|
"psubusb "MM"3, "MM"2 \n\t"\
|
|
"psubusb "MM"4, "MM"3 \n\t"\
|
|
"pmaxub "MM"3, "MM"2 \n\t"\
|
|
MOVQ" "MM"2, "MM"3 \n\t"\
|
|
MOVQ" "MM"2, "MM"4 \n\t" /* ABS(cur[x-refs-1+j] - cur[x+refs-1-j]) */\
|
|
PSRL1(MM"3") /* ABS(cur[x-refs +j] - cur[x+refs -j]) */\
|
|
PSRL2(MM"4") /* ABS(cur[x-refs+1+j] - cur[x+refs+1-j]) */\
|
|
"punpcklbw "MM"7, "MM"2 \n\t"\
|
|
"punpcklbw "MM"7, "MM"3 \n\t"\
|
|
"punpcklbw "MM"7, "MM"4 \n\t"\
|
|
"paddw "MM"3, "MM"2 \n\t"\
|
|
"paddw "MM"4, "MM"2 \n\t" /* score */
|
|
|
|
#define CHECK1 \
|
|
MOVQ" "MM"0, "MM"3 \n\t"\
|
|
"pcmpgtw "MM"2, "MM"3 \n\t" /* if(score < spatial_score) */\
|
|
"pminsw "MM"2, "MM"0 \n\t" /* spatial_score= score; */\
|
|
MOVQ" "MM"3, "MM"6 \n\t"\
|
|
"pand "MM"3, "MM"5 \n\t"\
|
|
"pandn "MM"1, "MM"3 \n\t"\
|
|
"por "MM"5, "MM"3 \n\t"\
|
|
MOVQ" "MM"3, "MM"1 \n\t" /* spatial_pred= (cur[x-refs+j] + cur[x+refs-j])>>1; */
|
|
|
|
#define CHECK2 /* pretend not to have checked dir=2 if dir=1 was bad.\
|
|
hurts both quality and speed, but matches the C version. */\
|
|
"paddw "MANGLE(pw_1)", "MM"6 \n\t"\
|
|
"psllw $14, "MM"6 \n\t"\
|
|
"paddsw "MM"6, "MM"2 \n\t"\
|
|
MOVQ" "MM"0, "MM"3 \n\t"\
|
|
"pcmpgtw "MM"2, "MM"3 \n\t"\
|
|
"pminsw "MM"2, "MM"0 \n\t"\
|
|
"pand "MM"3, "MM"5 \n\t"\
|
|
"pandn "MM"1, "MM"3 \n\t"\
|
|
"por "MM"5, "MM"3 \n\t"\
|
|
MOVQ" "MM"3, "MM"1 \n\t"
|
|
|
|
static void RENAME (yadif_filter_line) (guint8 * dst, guint8 * prev,
|
|
guint8 * cur, guint8 * next, int w, int prefs, int mrefs, int parity,
|
|
int mode)
|
|
{
|
|
DECLARE_ALIGNED (16, guint8, tmp)[16 * 4];
|
|
int x;
|
|
|
|
#define FILTER\
|
|
for(x=0; x<w; x+=STEP){\
|
|
__asm__ volatile(\
|
|
"pxor "MM"7, "MM"7 \n\t"\
|
|
LOAD("(%[cur],%[mrefs])", MM"0") /* c = cur[x-refs] */\
|
|
LOAD("(%[cur],%[prefs])", MM"1") /* e = cur[x+refs] */\
|
|
LOAD("(%["prev2"])", MM"2") /* prev2[x] */\
|
|
LOAD("(%["next2"])", MM"3") /* next2[x] */\
|
|
MOVQ" "MM"3, "MM"4 \n\t"\
|
|
"paddw "MM"2, "MM"3 \n\t"\
|
|
"psraw $1, "MM"3 \n\t" /* d = (prev2[x] + next2[x])>>1 */\
|
|
MOVQ" "MM"0, (%[tmp]) \n\t" /* c */\
|
|
MOVQ" "MM"3, 16(%[tmp]) \n\t" /* d */\
|
|
MOVQ" "MM"1, 32(%[tmp]) \n\t" /* e */\
|
|
"psubw "MM"4, "MM"2 \n\t"\
|
|
PABS( MM"4", MM"2") /* temporal_diff0 */\
|
|
LOAD("(%[prev],%[mrefs])", MM"3") /* prev[x-refs] */\
|
|
LOAD("(%[prev],%[prefs])", MM"4") /* prev[x+refs] */\
|
|
"psubw "MM"0, "MM"3 \n\t"\
|
|
"psubw "MM"1, "MM"4 \n\t"\
|
|
PABS( MM"5", MM"3")\
|
|
PABS( MM"5", MM"4")\
|
|
"paddw "MM"4, "MM"3 \n\t" /* temporal_diff1 */\
|
|
"psrlw $1, "MM"2 \n\t"\
|
|
"psrlw $1, "MM"3 \n\t"\
|
|
"pmaxsw "MM"3, "MM"2 \n\t"\
|
|
LOAD("(%[next],%[mrefs])", MM"3") /* next[x-refs] */\
|
|
LOAD("(%[next],%[prefs])", MM"4") /* next[x+refs] */\
|
|
"psubw "MM"0, "MM"3 \n\t"\
|
|
"psubw "MM"1, "MM"4 \n\t"\
|
|
PABS( MM"5", MM"3")\
|
|
PABS( MM"5", MM"4")\
|
|
"paddw "MM"4, "MM"3 \n\t" /* temporal_diff2 */\
|
|
"psrlw $1, "MM"3 \n\t"\
|
|
"pmaxsw "MM"3, "MM"2 \n\t"\
|
|
MOVQ" "MM"2, 48(%[tmp]) \n\t" /* diff */\
|
|
\
|
|
"paddw "MM"0, "MM"1 \n\t"\
|
|
"paddw "MM"0, "MM"0 \n\t"\
|
|
"psubw "MM"1, "MM"0 \n\t"\
|
|
"psrlw $1, "MM"1 \n\t" /* spatial_pred */\
|
|
PABS( MM"2", MM"0") /* ABS(c-e) */\
|
|
\
|
|
MOVQU" -1(%[cur],%[mrefs]), "MM"2 \n\t" /* cur[x-refs-1] */\
|
|
MOVQU" -1(%[cur],%[prefs]), "MM"3 \n\t" /* cur[x+refs-1] */\
|
|
MOVQ" "MM"2, "MM"4 \n\t"\
|
|
"psubusb "MM"3, "MM"2 \n\t"\
|
|
"psubusb "MM"4, "MM"3 \n\t"\
|
|
"pmaxub "MM"3, "MM"2 \n\t"\
|
|
PSHUF(MM"3", MM"2") \
|
|
"punpcklbw "MM"7, "MM"2 \n\t" /* ABS(cur[x-refs-1] - cur[x+refs-1]) */\
|
|
"punpcklbw "MM"7, "MM"3 \n\t" /* ABS(cur[x-refs+1] - cur[x+refs+1]) */\
|
|
"paddw "MM"2, "MM"0 \n\t"\
|
|
"paddw "MM"3, "MM"0 \n\t"\
|
|
"psubw "MANGLE(pw_1)", "MM"0 \n\t" /* spatial_score */\
|
|
\
|
|
CHECK(-2,0)\
|
|
CHECK1\
|
|
CHECK(-3,1)\
|
|
CHECK2\
|
|
CHECK(0,-2)\
|
|
CHECK1\
|
|
CHECK(1,-3)\
|
|
CHECK2\
|
|
\
|
|
/* if(p->mode<2) ... */\
|
|
MOVQ" 48(%[tmp]), "MM"6 \n\t" /* diff */\
|
|
"cmpl $2, %[mode] \n\t"\
|
|
"jge 1f \n\t"\
|
|
LOAD("(%["prev2"],%[mrefs],2)", MM"2") /* prev2[x-2*refs] */\
|
|
LOAD("(%["next2"],%[mrefs],2)", MM"4") /* next2[x-2*refs] */\
|
|
LOAD("(%["prev2"],%[prefs],2)", MM"3") /* prev2[x+2*refs] */\
|
|
LOAD("(%["next2"],%[prefs],2)", MM"5") /* next2[x+2*refs] */\
|
|
"paddw "MM"4, "MM"2 \n\t"\
|
|
"paddw "MM"5, "MM"3 \n\t"\
|
|
"psrlw $1, "MM"2 \n\t" /* b */\
|
|
"psrlw $1, "MM"3 \n\t" /* f */\
|
|
MOVQ" (%[tmp]), "MM"4 \n\t" /* c */\
|
|
MOVQ" 16(%[tmp]), "MM"5 \n\t" /* d */\
|
|
MOVQ" 32(%[tmp]), "MM"7 \n\t" /* e */\
|
|
"psubw "MM"4, "MM"2 \n\t" /* b-c */\
|
|
"psubw "MM"7, "MM"3 \n\t" /* f-e */\
|
|
MOVQ" "MM"5, "MM"0 \n\t"\
|
|
"psubw "MM"4, "MM"5 \n\t" /* d-c */\
|
|
"psubw "MM"7, "MM"0 \n\t" /* d-e */\
|
|
MOVQ" "MM"2, "MM"4 \n\t"\
|
|
"pminsw "MM"3, "MM"2 \n\t"\
|
|
"pmaxsw "MM"4, "MM"3 \n\t"\
|
|
"pmaxsw "MM"5, "MM"2 \n\t"\
|
|
"pminsw "MM"5, "MM"3 \n\t"\
|
|
"pmaxsw "MM"0, "MM"2 \n\t" /* max */\
|
|
"pminsw "MM"0, "MM"3 \n\t" /* min */\
|
|
"pxor "MM"4, "MM"4 \n\t"\
|
|
"pmaxsw "MM"3, "MM"6 \n\t"\
|
|
"psubw "MM"2, "MM"4 \n\t" /* -max */\
|
|
"pmaxsw "MM"4, "MM"6 \n\t" /* diff= MAX3(diff, min, -max); */\
|
|
"1: \n\t"\
|
|
\
|
|
MOVQ" 16(%[tmp]), "MM"2 \n\t" /* d */\
|
|
MOVQ" "MM"2, "MM"3 \n\t"\
|
|
"psubw "MM"6, "MM"2 \n\t" /* d-diff */\
|
|
"paddw "MM"6, "MM"3 \n\t" /* d+diff */\
|
|
"pmaxsw "MM"2, "MM"1 \n\t"\
|
|
"pminsw "MM"3, "MM"1 \n\t" /* d = clip(spatial_pred, d-diff, d+diff); */\
|
|
"packuswb "MM"1, "MM"1 \n\t"\
|
|
\
|
|
::[prev] "r"(prev),\
|
|
[cur] "r"(cur),\
|
|
[next] "r"(next),\
|
|
[prefs]"r"((x86_reg)prefs),\
|
|
[mrefs]"r"((x86_reg)mrefs),\
|
|
[mode] "g"(mode),\
|
|
[tmp] "r"(tmp)\
|
|
);\
|
|
__asm__ volatile(MOV" "MM"1, %0" :"=m"(*dst));\
|
|
dst += STEP;\
|
|
prev+= STEP;\
|
|
cur += STEP;\
|
|
next+= STEP;\
|
|
}
|
|
|
|
if (parity) {
|
|
#define prev2 "prev"
|
|
#define next2 "cur"
|
|
FILTER
|
|
#undef prev2
|
|
#undef next2
|
|
} else {
|
|
#define prev2 "cur"
|
|
#define next2 "next"
|
|
FILTER
|
|
#undef prev2
|
|
#undef next2
|
|
}
|
|
}
|
|
|
|
#undef STEP
|
|
#undef MM
|
|
#undef MOV
|
|
#undef MOVQ
|
|
#undef MOVQU
|
|
#undef PSHUF
|
|
#undef PSRL1
|
|
#undef PSRL2
|
|
#undef LOAD
|
|
#undef PABS
|
|
#undef CHECK
|
|
#undef CHECK1
|
|
#undef CHECK2
|
|
#undef FILTER
|