[FFmpeg-devel] [PATCH] avfilter/vf_w3fdif: add x86 SIMD
Paul B Mahol
onemda at gmail.com
Thu Oct 8 19:02:30 CEST 2015
Signed-off-by: Paul B Mahol <onemda at gmail.com>
---
libavfilter/vf_w3fdif.c | 127 ++++++++++++-----
libavfilter/w3fdif.h | 47 +++++++
libavfilter/x86/Makefile | 2 +
libavfilter/x86/vf_w3fdif.asm | 284 +++++++++++++++++++++++++++++++++++++++
libavfilter/x86/vf_w3fdif_init.c | 65 +++++++++
5 files changed, 492 insertions(+), 33 deletions(-)
create mode 100644 libavfilter/w3fdif.h
create mode 100644 libavfilter/x86/vf_w3fdif.asm
create mode 100644 libavfilter/x86/vf_w3fdif_init.c
diff --git a/libavfilter/vf_w3fdif.c b/libavfilter/vf_w3fdif.c
index f7703cc..e7463cb 100644
--- a/libavfilter/vf_w3fdif.c
+++ b/libavfilter/vf_w3fdif.c
@@ -29,6 +29,7 @@
#include "formats.h"
#include "internal.h"
#include "video.h"
+#include "w3fdif.h"
typedef struct W3FDIFContext {
const AVClass *class;
@@ -42,6 +43,8 @@ typedef struct W3FDIFContext {
AVFrame *prev, *cur, *next; ///< previous, current, next frames
int32_t **work_line; ///< lines we are calculating
int nb_threads;
+
+ W3FDIFDSPContext dsp;
} W3FDIFContext;
#define OFFSET(x) offsetof(W3FDIFContext, x)
@@ -81,6 +84,78 @@ static int query_formats(AVFilterContext *ctx)
return ff_set_common_formats(ctx, fmts_list);
}
+static void filter_simple_low(int32_t *work_line,
+ uint8_t *in_lines_cur[2],
+ const int16_t *coef, int linesize)
+{
+ int i;
+
+ for (i = 0; i < linesize; i++) {
+ *work_line += *in_lines_cur[0]++ * coef[0];
+ *work_line++ += *in_lines_cur[1]++ * coef[1];
+ }
+}
+
+static void filter_complex_low(int32_t *work_line,
+ uint8_t *in_lines_cur[4],
+ const int16_t *coef, int linesize)
+{
+ int i;
+
+ for (i = 0; i < linesize; i++) {
+ *work_line += *in_lines_cur[0]++ * coef[0];
+ *work_line += *in_lines_cur[1]++ * coef[1];
+ *work_line += *in_lines_cur[2]++ * coef[2];
+ *work_line++ += *in_lines_cur[3]++ * coef[3];
+ }
+}
+
+static void filter_simple_high(int32_t *work_line,
+ uint8_t *in_lines_cur[3],
+ uint8_t *in_lines_adj[3],
+ const int16_t *coef, int linesize)
+{
+ int i;
+
+ for (i = 0; i < linesize; i++) {
+ *work_line += *in_lines_cur[0]++ * coef[0];
+ *work_line += *in_lines_adj[0]++ * coef[0];
+ *work_line += *in_lines_cur[1]++ * coef[1];
+ *work_line += *in_lines_adj[1]++ * coef[1];
+ *work_line += *in_lines_cur[2]++ * coef[2];
+ *work_line++ += *in_lines_adj[2]++ * coef[2];
+ }
+}
+
+static void filter_complex_high(int32_t *work_line,
+ uint8_t *in_lines_cur[5],
+ uint8_t *in_lines_adj[5],
+ const int16_t *coef, int linesize)
+{
+ int i;
+
+ for (i = 0; i < linesize; i++) {
+ *work_line += *in_lines_cur[0]++ * coef[0];
+ *work_line += *in_lines_adj[0]++ * coef[0];
+ *work_line += *in_lines_cur[1]++ * coef[1];
+ *work_line += *in_lines_adj[1]++ * coef[1];
+ *work_line += *in_lines_cur[2]++ * coef[2];
+ *work_line += *in_lines_adj[2]++ * coef[2];
+ *work_line += *in_lines_cur[3]++ * coef[3];
+ *work_line += *in_lines_adj[3]++ * coef[3];
+ *work_line += *in_lines_cur[4]++ * coef[4];
+ *work_line++ += *in_lines_adj[4]++ * coef[4];
+ }
+}
+
+static void filter_scale(uint8_t *out_pixel, const int32_t *work_pixel, int linesize)
+{
+ int j;
+
+ for (j = 0; j < linesize; j++, out_pixel++, work_pixel++)
+ *out_pixel = av_clip(*work_pixel, 0, 255 * 256 * 128) >> 15;
+}
+
static int config_input(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
@@ -106,6 +181,15 @@ static int config_input(AVFilterLink *inlink)
return AVERROR(ENOMEM);
}
+ s->dsp.filter_simple_low = filter_simple_low;
+ s->dsp.filter_complex_low = filter_complex_low;
+ s->dsp.filter_simple_high = filter_simple_high;
+ s->dsp.filter_complex_high = filter_complex_high;
+ s->dsp.filter_scale = filter_scale;
+
+ if (ARCH_X86)
+ ff_w3fdif_init_x86(&s->dsp);
+
return 0;
}
@@ -163,7 +247,7 @@ static int deinterlace_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_
const int dst_line_stride = out->linesize[plane];
const int start = (height * jobnr) / nb_jobs;
const int end = (height * (jobnr+1)) / nb_jobs;
- int i, j, y_in, y_out;
+ int j, y_in, y_out;
/* copy unchanged the lines of the field */
y_out = start + (s->field == cur->top_field_first) - (start & 1);
@@ -202,18 +286,12 @@ static int deinterlace_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_
work_line = s->work_line[jobnr];
switch (n_coef_lf[filter]) {
case 2:
- for (i = 0; i < linesize; i++) {
- *work_line += *in_lines_cur[0]++ * coef_lf[filter][0];
- *work_line++ += *in_lines_cur[1]++ * coef_lf[filter][1];
- }
+ s->dsp.filter_simple_low(work_line, in_lines_cur,
+ coef_lf[filter], linesize);
break;
case 4:
- for (i = 0; i < linesize; i++) {
- *work_line += *in_lines_cur[0]++ * coef_lf[filter][0];
- *work_line += *in_lines_cur[1]++ * coef_lf[filter][1];
- *work_line += *in_lines_cur[2]++ * coef_lf[filter][2];
- *work_line++ += *in_lines_cur[3]++ * coef_lf[filter][3];
- }
+ s->dsp.filter_complex_low(work_line, in_lines_cur,
+ coef_lf[filter], linesize);
}
/* get high vertical frequencies from adjacent fields */
@@ -232,36 +310,19 @@ static int deinterlace_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_
work_line = s->work_line[jobnr];
switch (n_coef_hf[filter]) {
case 3:
- for (i = 0; i < linesize; i++) {
- *work_line += *in_lines_cur[0]++ * coef_hf[filter][0];
- *work_line += *in_lines_adj[0]++ * coef_hf[filter][0];
- *work_line += *in_lines_cur[1]++ * coef_hf[filter][1];
- *work_line += *in_lines_adj[1]++ * coef_hf[filter][1];
- *work_line += *in_lines_cur[2]++ * coef_hf[filter][2];
- *work_line++ += *in_lines_adj[2]++ * coef_hf[filter][2];
- }
+ s->dsp.filter_simple_high(work_line, in_lines_cur, in_lines_adj,
+ coef_hf[filter], linesize);
break;
case 5:
- for (i = 0; i < linesize; i++) {
- *work_line += *in_lines_cur[0]++ * coef_hf[filter][0];
- *work_line += *in_lines_adj[0]++ * coef_hf[filter][0];
- *work_line += *in_lines_cur[1]++ * coef_hf[filter][1];
- *work_line += *in_lines_adj[1]++ * coef_hf[filter][1];
- *work_line += *in_lines_cur[2]++ * coef_hf[filter][2];
- *work_line += *in_lines_adj[2]++ * coef_hf[filter][2];
- *work_line += *in_lines_cur[3]++ * coef_hf[filter][3];
- *work_line += *in_lines_adj[3]++ * coef_hf[filter][3];
- *work_line += *in_lines_cur[4]++ * coef_hf[filter][4];
- *work_line++ += *in_lines_adj[4]++ * coef_hf[filter][4];
- }
+ s->dsp.filter_complex_high(work_line, in_lines_cur, in_lines_adj,
+ coef_hf[filter], linesize);
}
/* save scaled result to the output frame, scaling down by 256 * 128 */
work_pixel = s->work_line[jobnr];
out_pixel = out_line;
- for (j = 0; j < linesize; j++, out_pixel++, work_pixel++)
- *out_pixel = av_clip(*work_pixel, 0, 255 * 256 * 128) >> 15;
+ s->dsp.filter_scale(out_pixel, work_pixel, linesize);
/* move on to next line */
y_out += 2;
diff --git a/libavfilter/w3fdif.h b/libavfilter/w3fdif.h
new file mode 100644
index 0000000..67bb874
--- /dev/null
+++ b/libavfilter/w3fdif.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2015 Paul B Mahol
+ *
+ * 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
+ */
+
+#ifndef AVFILTER_W3FDIF_H
+#define AVFILTER_W3FDIF_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+typedef struct W3FDIFDSPContext {
+ void (*filter_simple_low)(int32_t *work_line,
+ uint8_t *in_lines_cur[2],
+ const int16_t *coef, int linesize);
+ void (*filter_complex_low)(int32_t *work_line,
+ uint8_t *in_lines_cur[4],
+ const int16_t *coef, int linesize);
+ void (*filter_simple_high)(int32_t *work_line,
+ uint8_t *in_lines_cur[3],
+ uint8_t *in_lines_adj[3],
+ const int16_t *coef, int linesize);
+ void (*filter_complex_high)(int32_t *work_line,
+ uint8_t *in_lines_cur[5],
+ uint8_t *in_lines_adj[5],
+ const int16_t *coef, int linesize);
+ void (*filter_scale)(uint8_t *out_pixel, const int32_t *work_pixel, int linesize);
+} W3FDIFDSPContext;
+
+void ff_w3fdif_init_x86(W3FDIFDSPContext *dsp);
+
+#endif /* AVFILTER_W3FDIF_H */
diff --git a/libavfilter/x86/Makefile b/libavfilter/x86/Makefile
index c024204..33de380 100644
--- a/libavfilter/x86/Makefile
+++ b/libavfilter/x86/Makefile
@@ -17,6 +17,7 @@ OBJS-$(CONFIG_STEREO3D_FILTER) += x86/vf_stereo3d_init.o
OBJS-$(CONFIG_TBLEND_FILTER) += x86/vf_blend_init.o
OBJS-$(CONFIG_TINTERLACE_FILTER) += x86/vf_tinterlace_init.o
OBJS-$(CONFIG_VOLUME_FILTER) += x86/af_volume_init.o
+OBJS-$(CONFIG_W3FDIF_FILTER) += x86/vf_w3fdif_init.o
OBJS-$(CONFIG_YADIF_FILTER) += x86/vf_yadif_init.o
YASM-OBJS-$(CONFIG_BLEND_FILTER) += x86/vf_blend.o
@@ -37,4 +38,5 @@ YASM-OBJS-$(CONFIG_STEREO3D_FILTER) += x86/vf_stereo3d.o
YASM-OBJS-$(CONFIG_TBLEND_FILTER) += x86/vf_blend.o
YASM-OBJS-$(CONFIG_TINTERLACE_FILTER) += x86/vf_interlace.o
YASM-OBJS-$(CONFIG_VOLUME_FILTER) += x86/af_volume.o
+YASM-OBJS-$(CONFIG_W3FDIF_FILTER) += x86/vf_w3fdif.o
YASM-OBJS-$(CONFIG_YADIF_FILTER) += x86/vf_yadif.o x86/yadif-16.o x86/yadif-10.o
diff --git a/libavfilter/x86/vf_w3fdif.asm b/libavfilter/x86/vf_w3fdif.asm
new file mode 100644
index 0000000..96b61d7
--- /dev/null
+++ b/libavfilter/x86/vf_w3fdif.asm
@@ -0,0 +1,284 @@
+;*****************************************************************************
+;* x86-optimized functions for w3fdif filter
+;*
+;* Copyright (c) 2015 Paul B Mahol
+;*
+;* 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
+
+pd_0: times 4 dd 0
+pd_2_23: times 4 dd 256*256*128
+
+SECTION .text
+
+INIT_XMM sse4
+cglobal w3fdif_scale, 3, 3, 3, 0, out_pixel, work_pixel, linesize
+ mova m1, [pd_0]
+ mova m2, [pd_2_23]
+ shr linesized, 2
+
+ .loop
+ mova m0, [work_pixelq]
+ pmaxsd m0, m1
+ pminsd m0, m2
+ psrld m0, 15
+ packusdw m0, m0
+ packuswb m0, m0
+ movd [out_pixelq], m0
+ add out_pixelq, mmsize/4
+ add work_pixelq, mmsize
+ sub linesized, 1
+ jg .loop
+REP_RET
+
+INIT_XMM sse2
+cglobal w3fdif_simple_low, 4, 6, 5, 0, work_line, in_lines_cur0, coef, linesize
+ movd m0, [coefq+0]
+ movd m1, [coefq+2]
+ SPLATW m0, m0
+ SPLATW m1, m1
+ shr linesized, 3
+ mov r4q, 0
+ mov r5q, [in_lines_cur0q + gprsize]
+ mov in_lines_cur0q, [in_lines_cur0q]
+ %define in_lines_cur1q r5q
+
+ .loop
+ movh m2, [in_lines_cur0q+r4q]
+ movh m3, [in_lines_cur1q+r4q]
+ pxor m4, m4
+ punpcklbw m2, m4
+ punpcklbw m3, m4
+ SBUTTERFLY wd, 2, 3, 4
+ pmaddwd m2, m0
+ pmaddwd m3, m1
+ mova [work_lineq+r4q*4], m2
+ mova [work_lineq+r4q*4+mmsize], m3
+ add r4q, 8
+ sub linesized, 1
+ jg .loop
+REP_RET
+
+cglobal w3fdif_simple_high, 5, 10, 8, 0, work_line, in_lines_cur0, in_lines_adj0, coef, linesize
+ movd m0, [coefq+0]
+ movd m1, [coefq+2]
+ movd m2, [coefq+4]
+ SPLATW m0, m0
+ SPLATW m1, m1
+ SPLATW m2, m2
+ SBUTTERFLY wd, 0, 1, 7
+ shr linesized, 3
+ mov r5q, 0
+ mov r7q, [in_lines_cur0q+gprsize*2]
+ mov r6q, [in_lines_cur0q+gprsize]
+ mov in_lines_cur0q, [in_lines_cur0q]
+ %define in_lines_cur1q r6q
+ %define in_lines_cur2q r7q
+ mov r9q, [in_lines_adj0q+gprsize*2]
+ mov r8q, [in_lines_adj0q+gprsize]
+ mov in_lines_adj0q, [in_lines_adj0q]
+ %define in_lines_adj1q r8q
+ %define in_lines_adj2q r9q
+
+ .loop
+ movh m3, [in_lines_cur0q+r5q]
+ movh m4, [in_lines_cur1q+r5q]
+ pxor m7, m7
+ punpcklbw m3, m7
+ punpcklbw m4, m7
+ SBUTTERFLY wd, 3, 4, 7
+ pmaddwd m3, m0
+ pmaddwd m4, m1
+ movh m5, [in_lines_adj0q+r5q]
+ movh m6, [in_lines_adj1q+r5q]
+ pxor m7, m7
+ punpcklbw m5, m7
+ punpcklbw m6, m7
+ SBUTTERFLY wd, 5, 6, 7
+ pmaddwd m5, m0
+ pmaddwd m6, m1
+ paddd m3, m5
+ paddd m4, m6
+ movh m5, [in_lines_cur2q+r5q]
+ movh m6, [in_lines_adj2q+r5q]
+ pxor m7, m7
+ punpcklbw m5, m7
+ punpcklbw m6, m7
+ SBUTTERFLY wd, 5, 6, 7
+ pmaddwd m5, m2
+ pmaddwd m6, m2
+ paddd m3, m5
+ paddd m4, m6
+ movu m5, [work_lineq+r5q*4]
+ movu m6, [work_lineq+r5q*4+mmsize]
+ paddd m3, m5
+ paddd m4, m6
+ mova [work_lineq+r5q*4], m3
+ mova [work_lineq+r5q*4+mmsize], m4
+ add r5q, 8
+ sub linesized, 1
+ jg .loop
+REP_RET
+
+%if ARCH_X86_64
+
+cglobal w3fdif_complex_low, 4, 8, 9, 0, work_line, in_lines_cur0, coef, linesize
+ movd m0, [coefq+0]
+ movd m1, [coefq+2]
+ movd m2, [coefq+4]
+ movd m3, [coefq+6]
+ SPLATW m0, m0
+ SPLATW m1, m1
+ SPLATW m2, m2
+ SPLATW m3, m3
+ SBUTTERFLY wd, 0, 1, 7
+ SBUTTERFLY wd, 2, 3, 7
+ shr linesized, 3
+ mov r4q, 0
+ mov r7q, [in_lines_cur0q+gprsize*3]
+ mov r6q, [in_lines_cur0q+gprsize*2]
+ mov r5q, [in_lines_cur0q+gprsize]
+ mov in_lines_cur0q, [in_lines_cur0q]
+ %define in_lines_cur1q r5q
+ %define in_lines_cur2q r6q
+ %define in_lines_cur3q r7q
+
+ .loop
+ movh m4, [in_lines_cur0q+r4q]
+ movh m5, [in_lines_cur1q+r4q]
+ pxor m7, m7
+ punpcklbw m4, m7
+ punpcklbw m5, m7
+ SBUTTERFLY wd, 4, 5, 7
+ pmaddwd m4, m0
+ pmaddwd m5, m1
+ movh m6, [in_lines_cur2q+r4q]
+ movh m8, [in_lines_cur3q+r4q]
+ pxor m7, m7
+ punpcklbw m6, m7
+ punpcklbw m8, m7
+ SBUTTERFLY wd, 6, 8, 7
+ pmaddwd m6, m2
+ pmaddwd m8, m3
+ paddd m4, m6
+ paddd m5, m8
+ mova [work_lineq+r4q*4], m4
+ mova [work_lineq+r4q*4+mmsize], m5
+ add r4q, 8
+ sub linesized, 1
+ jg .loop
+REP_RET
+
+cglobal w3fdif_complex_high, 5, 14, 10, 0, work_line, in_lines_cur0, in_lines_adj0, coef, linesize
+ movd m0, [coefq+0]
+ movd m1, [coefq+2]
+ movd m2, [coefq+4]
+ movd m3, [coefq+6]
+ movd m4, [coefq+8]
+ SPLATW m0, m0
+ SPLATW m1, m1
+ SPLATW m2, m2
+ SPLATW m3, m3
+ SPLATW m4, m4
+ SBUTTERFLY wd, 0, 1, 7
+ SBUTTERFLY wd, 2, 3, 7
+ shr linesized, 3
+ mov r5q, 0
+ mov r9q, [in_lines_cur0q+gprsize*4]
+ mov r8q, [in_lines_cur0q+gprsize*3]
+ mov r7q, [in_lines_cur0q+gprsize*2]
+ mov r6q, [in_lines_cur0q+gprsize]
+ mov in_lines_cur0q, [in_lines_cur0q]
+ %define in_lines_cur1q r6q
+ %define in_lines_cur2q r7q
+ %define in_lines_cur3q r8q
+ %define in_lines_cur4q r9q
+ mov r13q, [in_lines_adj0q+gprsize*4]
+ mov r12q, [in_lines_adj0q+gprsize*3]
+ mov r11q, [in_lines_adj0q+gprsize*2]
+ mov r10q, [in_lines_adj0q+gprsize]
+ mov in_lines_adj0q, [in_lines_adj0q]
+ %define in_lines_adj1q r10q
+ %define in_lines_adj2q r11q
+ %define in_lines_adj3q r12q
+ %define in_lines_adj4q r13q
+
+ .loop
+ movh m5, [in_lines_cur0q+r5q]
+ movh m6, [in_lines_cur1q+r5q]
+ pxor m7, m7
+ punpcklbw m5, m7
+ punpcklbw m6, m7
+ SBUTTERFLY wd, 5, 6, 7
+ pmaddwd m5, m0
+ pmaddwd m6, m1
+ movh m8, [in_lines_cur2q+r5q]
+ movh m9, [in_lines_cur3q+r5q]
+ pxor m7, m7
+ punpcklbw m8, m7
+ punpcklbw m9, m7
+ SBUTTERFLY wd, 8, 9, 7
+ pmaddwd m8, m2
+ pmaddwd m9, m3
+ paddd m5, m8
+ paddd m6, m9
+ movh m8, [in_lines_adj0q+r5q]
+ movh m9, [in_lines_adj1q+r5q]
+ pxor m7, m7
+ punpcklbw m8, m7
+ punpcklbw m9, m7
+ SBUTTERFLY wd, 8, 9, 7
+ pmaddwd m8, m0
+ pmaddwd m9, m1
+ paddd m5, m8
+ paddd m6, m9
+ movh m8, [in_lines_adj2q+r5q]
+ movh m9, [in_lines_adj3q+r5q]
+ pxor m7, m7
+ punpcklbw m8, m7
+ punpcklbw m9, m7
+ SBUTTERFLY wd, 8, 9, 7
+ pmaddwd m8, m2
+ pmaddwd m9, m3
+ paddd m5, m8
+ paddd m6, m9
+ movh m8, [in_lines_cur4q+r5q]
+ movh m9, [in_lines_adj4q+r5q]
+ pxor m7, m7
+ punpcklbw m8, m7
+ punpcklbw m9, m7
+ SBUTTERFLY wd, 8, 9, 7
+ pmaddwd m8, m4
+ pmaddwd m9, m4
+ paddd m5, m8
+ paddd m6, m9
+ movu m8, [work_lineq+r5q*4]
+ movu m9, [work_lineq+r5q*4+mmsize]
+ paddd m5, m8
+ paddd m6, m9
+ mova [work_lineq+r5q*4], m5
+ mova [work_lineq+r5q*4+mmsize], m6
+ add r5q, 8
+ sub linesized, 1
+ jg .loop
+REP_RET
+
+%endif
diff --git a/libavfilter/x86/vf_w3fdif_init.c b/libavfilter/x86/vf_w3fdif_init.c
new file mode 100644
index 0000000..957e9ae
--- /dev/null
+++ b/libavfilter/x86/vf_w3fdif_init.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2015 Paul B Mahol
+ *
+ * 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/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/mem.h"
+#include "libavutil/x86/asm.h"
+#include "libavutil/x86/cpu.h"
+#include "libavfilter/w3fdif.h"
+
+void ff_w3fdif_simple_low_sse2(int32_t *work_line,
+ uint8_t *in_lines_cur[2],
+ const int16_t *coef, int linesize);
+
+void ff_w3fdif_simple_high_sse2(int32_t *work_line,
+ uint8_t *in_lines_cur[3],
+ uint8_t *in_lines_adj[3],
+ const int16_t *coef, int linesize);
+
+void ff_w3fdif_complex_low_sse2(int32_t *work_line,
+ uint8_t *in_lines_cur[4],
+ const int16_t *coef, int linesize);
+
+void ff_w3fdif_complex_high_sse2(int32_t *work_line,
+ uint8_t *in_lines_cur[5],
+ uint8_t *in_lines_adj[5],
+ const int16_t *coef, int linesize);
+
+void ff_w3fdif_scale_sse4(uint8_t *out_pixel, const int32_t *work_pixel, int linesize);
+
+av_cold void ff_w3fdif_init_x86(W3FDIFDSPContext *dsp)
+{
+ int cpu_flags = av_get_cpu_flags();
+
+ if (EXTERNAL_SSE2(cpu_flags)) {
+ dsp->filter_simple_low = ff_w3fdif_simple_low_sse2;
+ dsp->filter_simple_high = ff_w3fdif_simple_high_sse2;
+ }
+
+ if (ARCH_X86_64 && EXTERNAL_SSE2(cpu_flags)) {
+ dsp->filter_complex_low = ff_w3fdif_complex_low_sse2;
+ dsp->filter_complex_high = ff_w3fdif_complex_high_sse2;
+ }
+
+ if (EXTERNAL_SSE4(cpu_flags)) {
+ dsp->filter_scale = ff_w3fdif_scale_sse4;
+ }
+}
--
1.9.1
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