From: "J. Dekker" <jdek@itanimul.li>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH v3 4/6] lavc/aarch64: add hevc sao edge 8x8
Date: Tue, 4 Jan 2022 06:20:16 +0100
Message-ID: <20220104052018.9541-4-jdek@itanimul.li> (raw)
In-Reply-To: <20220104052018.9541-1-jdek@itanimul.li>
bench on AWS Graviton:
hevc_sao_edge_8x8_8_c: 516.0
hevc_sao_edge_8x8_8_neon: 81.0
Signed-off-by: J. Dekker <jdek@itanimul.li>
---
libavcodec/aarch64/hevcdsp_init_aarch64.c | 3 ++
libavcodec/aarch64/hevcdsp_sao_neon.S | 51 +++++++++++++++++++++++
2 files changed, 54 insertions(+)
diff --git a/libavcodec/aarch64/hevcdsp_init_aarch64.c b/libavcodec/aarch64/hevcdsp_init_aarch64.c
index 747ff0412d..b93cec9e44 100644
--- a/libavcodec/aarch64/hevcdsp_init_aarch64.c
+++ b/libavcodec/aarch64/hevcdsp_init_aarch64.c
@@ -59,6 +59,8 @@ void ff_hevc_sao_band_filter_8x8_8_neon(uint8_t *_dst, uint8_t *_src,
int width, int height);
void ff_hevc_sao_edge_filter_16x16_8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride_dst,
int16_t *sao_offset_val, int eo, int width, int height);
+void ff_hevc_sao_edge_filter_8x8_8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride_dst,
+ int16_t *sao_offset_val, int eo, int width, int height);
av_cold void ff_hevc_dsp_init_aarch64(HEVCDSPContext *c, const int bit_depth)
{
@@ -76,6 +78,7 @@ av_cold void ff_hevc_dsp_init_aarch64(HEVCDSPContext *c, const int bit_depth)
c->idct_dc[2] = ff_hevc_idct_16x16_dc_8_neon;
c->idct_dc[3] = ff_hevc_idct_32x32_dc_8_neon;
c->sao_band_filter[0] = ff_hevc_sao_band_filter_8x8_8_neon;
+ c->sao_edge_filter[0] = ff_hevc_sao_edge_filter_8x8_8_neon;
c->sao_edge_filter[1] =
c->sao_edge_filter[2] =
c->sao_edge_filter[3] =
diff --git a/libavcodec/aarch64/hevcdsp_sao_neon.S b/libavcodec/aarch64/hevcdsp_sao_neon.S
index 4b895959d8..167b9676d8 100644
--- a/libavcodec/aarch64/hevcdsp_sao_neon.S
+++ b/libavcodec/aarch64/hevcdsp_sao_neon.S
@@ -150,3 +150,54 @@ function ff_hevc_sao_edge_filter_16x16_8_neon, export=1
// no lines to filter
ret
endfunc
+
+// ff_hevc_sao_edge_filter_8x8_8_neon(char *dst, char *src, ptrdiff stride_dst,
+// int16 *sao_offset_val, int eo, int width, int height)
+function ff_hevc_sao_edge_filter_8x8_8_neon, export=1
+ adr x7, .Lsao_edge_pos
+ ldr w4, [x7, w4, uxtw #2]
+ ld1 {v3.8h}, [x3]
+ mov v3.h[7], v3.h[0]
+ mov v3.h[0], v3.h[1]
+ mov v3.h[1], v3.h[2]
+ mov v3.h[2], v3.h[7]
+ uzp2 v1.16b, v3.16b, v3.16b
+ uzp1 v0.16b, v3.16b, v3.16b
+ movi v2.16b, #2
+ add x16, x0, x2
+ lsl x2, x2, #1
+ mov x15, #192
+ mov x8, x1
+ sub x9, x1, x4
+ add x10, x1, x4
+ mov x17, #4
+1: ld1 {v3.d}[0], [ x8], x15
+ ld1 {v4.d}[0], [ x9], x15
+ ld1 {v5.d}[0], [x10], x15
+ ld1 {v3.d}[1], [ x8], x15
+ ld1 {v4.d}[1], [ x9], x15
+ ld1 {v5.d}[1], [x10], x15
+ cmhi v16.16b, v4.16b, v3.16b
+ cmhi v17.16b, v3.16b, v4.16b
+ cmhi v18.16b, v5.16b, v3.16b
+ cmhi v19.16b, v3.16b, v5.16b
+ sub v20.16b, v16.16b, v17.16b
+ sub v21.16b, v18.16b, v19.16b
+ add v20.16b, v20.16b, v21.16b
+ add v20.16b, v20.16b, v2.16b
+ tbl v16.16b, {v0.16b}, v20.16b
+ tbl v17.16b, {v1.16b}, v20.16b
+ uxtl v20.8h, v3.8b
+ uxtl2 v21.8h, v3.16b
+ zip1 v18.16b, v16.16b, v17.16b
+ zip2 v19.16b, v16.16b, v17.16b
+ sqadd v20.8h, v18.8h, v20.8h
+ sqadd v21.8h, v19.8h, v21.8h
+ sqxtun v6.8b, v20.8h
+ sqxtun v7.8b, v21.8h
+ st1 {v6.8b}, [ x0], x2
+ st1 {v7.8b}, [x16], x2
+ subs x17, x17, #1
+ b.ne 1b
+ ret
+endfunc
--
2.32.0 (Apple Git-132)
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next prev parent reply other threads:[~2022-01-04 5:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-04 5:20 [FFmpeg-devel] [PATCH v3 1/6] lavc/arm: dont assign hevc_qpel functions for non-multiple of 8 widths J. Dekker
2022-01-04 5:20 ` [FFmpeg-devel] [PATCH v3 2/6] Revert "arm: hevc_qpel: Fix the assembly to work with non-multiple of 8 widths" J. Dekker
2022-01-04 5:20 ` [FFmpeg-devel] [PATCH v3 3/6] lavc/aarch64: add hevc sao edge 16x16 J. Dekker
2022-01-04 5:20 ` J. Dekker [this message]
2022-01-04 5:20 ` [FFmpeg-devel] [PATCH v3 5/6] lavc/aarch64: clean-up sao band 8x8 function formatting J. Dekker
2022-01-04 5:20 ` [FFmpeg-devel] [PATCH v3 6/6] lavc/aarch64: add hevc sao band 8x8 tiling J. Dekker
2022-01-04 9:41 ` Martin Storsjö
2022-01-04 13:34 ` J. Dekker
2022-01-05 6:46 ` [FFmpeg-devel] [PATCH v3 1/6] lavc/arm: dont assign hevc_qpel functions for non-multiple of 8 widths Andreas Rheinhardt
2022-01-05 8:30 ` Martin Storsjö
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