[FFmpeg-cvslog] avfilter/vf_v360: add SIMD for lagrange9 interpolation
Paul B Mahol
git at videolan.org
Thu Apr 2 13:36:10 EEST 2020
ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Tue Mar 31 14:08:20 2020 +0200| [e4809e12ea57b5551830bc52b37f00caae6352a9] | committer: Paul B Mahol
avfilter/vf_v360: add SIMD for lagrange9 interpolation
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e4809e12ea57b5551830bc52b37f00caae6352a9
---
libavfilter/x86/vf_v360.asm | 43 ++++++++++++++++++++++++++++++++++++++++++
libavfilter/x86/vf_v360_init.c | 6 ++++++
2 files changed, 49 insertions(+)
diff --git a/libavfilter/x86/vf_v360.asm b/libavfilter/x86/vf_v360.asm
index 5b241220d8..8e7e4591b4 100644
--- a/libavfilter/x86/vf_v360.asm
+++ b/libavfilter/x86/vf_v360.asm
@@ -165,6 +165,49 @@ DEFINE_ARGS dst, width, src, x, u, v, ker
%if ARCH_X86_64
+INIT_YMM avx2
+cglobal remap3_8bit_line, 7, 11, 8, dst, width, src, in_linesize, u, v, ker, x, y, tmp, z
+ movsxdifnidn widthq, widthd
+ xor zq, zq
+ xor yq, yq
+ xor xq, xq
+ movd xm0, in_linesized
+ pcmpeqw m7, m7
+ vpbroadcastd m0, xm0
+ vpbroadcastd m6, [pd_255]
+
+ .loop:
+ pmovsxwd m1, [kerq + yq]
+ pmovsxwd m2, [vq + yq]
+ pmovsxwd m3, [uq + yq]
+
+ pmulld m4, m2, m0
+ paddd m4, m3
+ mova m3, m7
+ vpgatherdd m2, [srcq + m4], m3
+ pand m2, m6
+ pmulld m2, m1
+ HADDD m2, m1
+ movzx tmpq, word [vq + yq + 16]
+ imul tmpq, in_linesizeq
+ movzx zq, word [uq + yq + 16]
+ add tmpq, zq
+ movzx zq, byte [srcq + tmpq]
+ movzx tmpq, word [kerq + yq + 16]
+ imul zd, tmpd
+ movd xm1, zd
+ paddd m2, m1
+ psrld m2, m2, 0xe
+
+ packuswb m2, m2
+ pextrb [dstq+xq], xm2, 0
+
+ add xq, 1
+ add yq, 18
+ cmp xq, widthq
+ jl .loop
+ RET
+
INIT_YMM avx2
cglobal remap4_8bit_line, 7, 9, 11, dst, width, src, in_linesize, u, v, ker, x, y
movsxdifnidn widthq, widthd
diff --git a/libavfilter/x86/vf_v360_init.c b/libavfilter/x86/vf_v360_init.c
index babc6c426a..5b1decd777 100644
--- a/libavfilter/x86/vf_v360_init.c
+++ b/libavfilter/x86/vf_v360_init.c
@@ -29,6 +29,9 @@ void ff_remap1_8bit_line_avx2(uint8_t *dst, int width, const uint8_t *src, ptrdi
void ff_remap2_8bit_line_avx2(uint8_t *dst, int width, const uint8_t *src, ptrdiff_t in_linesize,
const int16_t *const u, const int16_t *const v, const int16_t *const ker);
+void ff_remap3_8bit_line_avx2(uint8_t *dst, int width, const uint8_t *src, ptrdiff_t in_linesize,
+ const int16_t *const u, const int16_t *const v, const int16_t *const ker);
+
void ff_remap4_8bit_line_avx2(uint8_t *dst, int width, const uint8_t *src, ptrdiff_t in_linesize,
const int16_t *const u, const int16_t *const v, const int16_t *const ker);
@@ -55,6 +58,9 @@ av_cold void ff_v360_init_x86(V360Context *s, int depth)
s->remap_line = ff_remap2_16bit_line_avx2;
#if ARCH_X86_64
+ if (EXTERNAL_AVX2_FAST(cpu_flags) && s->interp == LAGRANGE9 && depth <= 8)
+ s->remap_line = ff_remap3_8bit_line_avx2;
+
if (EXTERNAL_AVX2_FAST(cpu_flags) && (s->interp == BICUBIC ||
s->interp == LANCZOS) && depth <= 8)
s->remap_line = ff_remap4_8bit_line_avx2;
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