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Diffstat (limited to 'libavfilter/x86/yadif_template.c')
-rw-r--r--libavfilter/x86/yadif_template.c268
1 files changed, 268 insertions, 0 deletions
diff --git a/libavfilter/x86/yadif_template.c b/libavfilter/x86/yadif_template.c
new file mode 100644
index 0000000000..5788a08e3a
--- /dev/null
+++ b/libavfilter/x86/yadif_template.c
@@ -0,0 +1,268 @@
+/*
+ * Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU 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.
+ */
+
+#ifdef COMPILE_TEMPLATE_SSE
+#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(ff_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(ff_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"
+
+void RENAME(ff_yadif_filter_line)(uint8_t *dst,
+ uint8_t *prev, uint8_t *cur, uint8_t *next,
+ int w, int refs, int parity, int mode)
+{
+ DECLARE_ALIGNED(16, uint8_t, tmp0[16]);
+ DECLARE_ALIGNED(16, uint8_t, tmp1[16]);
+ DECLARE_ALIGNED(16, uint8_t, tmp2[16]);
+ DECLARE_ALIGNED(16, uint8_t, tmp3[16]);
+ 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, %[tmp0] \n\t" /* c */\
+ MOVQ" "MM"3, %[tmp1] \n\t" /* d */\
+ MOVQ" "MM"1, %[tmp2] \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, %[tmp3] \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(ff_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" %[tmp3], "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" %[tmp0], "MM"4 \n\t" /* c */\
+ MOVQ" %[tmp1], "MM"5 \n\t" /* d */\
+ MOVQ" %[tmp2], "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" %[tmp1], "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"\
+\
+ :[tmp0]"=m"(tmp0),\
+ [tmp1]"=m"(tmp1),\
+ [tmp2]"=m"(tmp2),\
+ [tmp3]"=m"(tmp3)\
+ :[prev] "r"(prev),\
+ [cur] "r"(cur),\
+ [next] "r"(next),\
+ [prefs]"r"((x86_reg)refs),\
+ [mrefs]"r"((x86_reg)-refs),\
+ [mode] "g"(mode)\
+ );\
+ __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
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-28 09:34:27 +0000