From 00c916ef61873cdbd3558e48b03a9d054f0b90f7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= Date: Sun, 10 Jan 2021 10:27:00 +0000 Subject: [PATCH] lavc/aarch64: port HEVC add_residual NEON Speedup is fairly small, around 1.5%, but these are fairly simple. Signed-off-by: Josh Dekker --- libavcodec/aarch64/hevcdsp_idct_neon.S | 190 ++++++++++++++++++++++ libavcodec/aarch64/hevcdsp_init_aarch64.c | 24 +++ 2 files changed, 214 insertions(+) diff --git a/libavcodec/aarch64/hevcdsp_idct_neon.S b/libavcodec/aarch64/hevcdsp_idct_neon.S index 992ea5dd06..ef574d243c 100644 --- a/libavcodec/aarch64/hevcdsp_idct_neon.S +++ b/libavcodec/aarch64/hevcdsp_idct_neon.S @@ -36,6 +36,196 @@ const trans, align=4 .short 31, 22, 13, 4 endconst +.macro clip10 in1, in2, c1, c2 + smax \in1, \in1, \c1 + smax \in2, \in2, \c1 + smin \in1, \in1, \c2 + smin \in2, \in2, \c2 +.endm + +function ff_hevc_add_residual_4x4_8_neon, export=1 + ld1 {v0.8h-v1.8h}, [x1] + ld1 {v2.s}[0], [x0], x2 + ld1 {v2.s}[1], [x0], x2 + ld1 {v2.s}[2], [x0], x2 + ld1 {v2.s}[3], [x0], x2 + sub x0, x0, x2, lsl #2 + uxtl v6.8h, v2.8b + uxtl2 v7.8h, v2.16b + sqadd v0.8h, v0.8h, v6.8h + sqadd v1.8h, v1.8h, v7.8h + sqxtun v0.8b, v0.8h + sqxtun2 v0.16b, v1.8h + st1 {v0.s}[0], [x0], x2 + st1 {v0.s}[1], [x0], x2 + st1 {v0.s}[2], [x0], x2 + st1 {v0.s}[3], [x0], x2 + ret +endfunc + +function ff_hevc_add_residual_4x4_10_neon, export=1 + mov x12, x0 + ld1 {v0.8h-v1.8h}, [x1] + ld1 {v2.d}[0], [x12], x2 + ld1 {v2.d}[1], [x12], x2 + ld1 {v3.d}[0], [x12], x2 + sqadd v0.8h, v0.8h, v2.8h + ld1 {v3.d}[1], [x12], x2 + movi v4.8h, #0 + sqadd v1.8h, v1.8h, v3.8h + mvni v5.8h, #0xFC, lsl #8 // movi #0x3FF + clip10 v0.8h, v1.8h, v4.8h, v5.8h + st1 {v0.d}[0], [x0], x2 + st1 {v0.d}[1], [x0], x2 + st1 {v1.d}[0], [x0], x2 + st1 {v1.d}[1], [x0], x2 + ret +endfunc + +function ff_hevc_add_residual_8x8_8_neon, export=1 + add x12, x0, x2 + add x2, x2, x2 + mov x3, #8 +1: subs x3, x3, #2 + ld1 {v2.d}[0], [x0] + ld1 {v2.d}[1], [x12] + uxtl v3.8h, v2.8b + ld1 {v0.8h-v1.8h}, [x1], #32 + uxtl2 v2.8h, v2.16b + sqadd v0.8h, v0.8h, v3.8h + sqadd v1.8h, v1.8h, v2.8h + sqxtun v0.8b, v0.8h + sqxtun2 v0.16b, v1.8h + st1 {v0.d}[0], [x0], x2 + st1 {v0.d}[1], [x12], x2 + bne 1b + ret +endfunc + +function ff_hevc_add_residual_8x8_10_neon, export=1 + add x12, x0, x2 + add x2, x2, x2 + mov x3, #8 + movi v4.8h, #0 + mvni v5.8h, #0xFC, lsl #8 // movi #0x3FF +1: subs x3, x3, #2 + ld1 {v0.8h-v1.8h}, [x1], #32 + ld1 {v2.8h}, [x0] + sqadd v0.8h, v0.8h, v2.8h + ld1 {v3.8h}, [x12] + sqadd v1.8h, v1.8h, v3.8h + clip10 v0.8h, v1.8h, v4.8h, v5.8h + st1 {v0.8h}, [x0], x2 + st1 {v1.8h}, [x12], x2 + bne 1b + ret +endfunc + +function ff_hevc_add_residual_16x16_8_neon, export=1 + mov x3, #16 + add x12, x0, x2 + add x2, x2, x2 +1: subs x3, x3, #2 + ld1 {v16.16b}, [x0] + ld1 {v0.8h-v3.8h}, [x1], #64 + ld1 {v19.16b}, [x12] + uxtl v17.8h, v16.8b + uxtl2 v18.8h, v16.16b + uxtl v20.8h, v19.8b + uxtl2 v21.8h, v19.16b + sqadd v0.8h, v0.8h, v17.8h + sqadd v1.8h, v1.8h, v18.8h + sqadd v2.8h, v2.8h, v20.8h + sqadd v3.8h, v3.8h, v21.8h + sqxtun v0.8b, v0.8h + sqxtun2 v0.16b, v1.8h + sqxtun v1.8b, v2.8h + sqxtun2 v1.16b, v3.8h + st1 {v0.16b}, [x0], x2 + st1 {v1.16b}, [x12], x2 + bne 1b + ret +endfunc + +function ff_hevc_add_residual_16x16_10_neon, export=1 + mov x3, #16 + movi v20.8h, #0 + mvni v21.8h, #0xFC, lsl #8 // movi #0x3FF + add x12, x0, x2 + add x2, x2, x2 +1: subs x3, x3, #2 + ld1 {v16.8h-v17.8h}, [x0] + ld1 {v0.8h-v3.8h}, [x1], #64 + sqadd v0.8h, v0.8h, v16.8h + ld1 {v18.8h-v19.8h}, [x12] + sqadd v1.8h, v1.8h, v17.8h + sqadd v2.8h, v2.8h, v18.8h + sqadd v3.8h, v3.8h, v19.8h + clip10 v0.8h, v1.8h, v20.8h, v21.8h + clip10 v2.8h, v3.8h, v20.8h, v21.8h + st1 {v0.8h-v1.8h}, [x0], x2 + st1 {v2.8h-v3.8h}, [x12], x2 + bne 1b + ret +endfunc + +function ff_hevc_add_residual_32x32_8_neon, export=1 + add x12, x0, x2 + add x2, x2, x2 + mov x3, #32 +1: subs x3, x3, #2 + ld1 {v20.16b, v21.16b}, [x0] + uxtl v16.8h, v20.8b + uxtl2 v17.8h, v20.16b + ld1 {v22.16b, v23.16b}, [x12] + uxtl v18.8h, v21.8b + uxtl2 v19.8h, v21.16b + uxtl v20.8h, v22.8b + ld1 {v0.8h-v3.8h}, [x1], #64 + ld1 {v4.8h-v7.8h}, [x1], #64 + uxtl2 v21.8h, v22.16b + uxtl v22.8h, v23.8b + uxtl2 v23.8h, v23.16b + sqadd v0.8h, v0.8h, v16.8h + sqadd v1.8h, v1.8h, v17.8h + sqadd v2.8h, v2.8h, v18.8h + sqadd v3.8h, v3.8h, v19.8h + sqadd v4.8h, v4.8h, v20.8h + sqadd v5.8h, v5.8h, v21.8h + sqadd v6.8h, v6.8h, v22.8h + sqadd v7.8h, v7.8h, v23.8h + sqxtun v0.8b, v0.8h + sqxtun2 v0.16b, v1.8h + sqxtun v1.8b, v2.8h + sqxtun2 v1.16b, v3.8h + sqxtun v2.8b, v4.8h + sqxtun2 v2.16b, v5.8h + st1 {v0.16b, v1.16b}, [x0], x2 + sqxtun v3.8b, v6.8h + sqxtun2 v3.16b, v7.8h + st1 {v2.16b, v3.16b}, [x12], x2 + bne 1b + ret +endfunc + +function ff_hevc_add_residual_32x32_10_neon, export=1 + mov x3, #32 + movi v20.8h, #0 + mvni v21.8h, #0xFC, lsl #8 // movi #0x3FF +1: subs x3, x3, #1 + ld1 {v0.8h-v3.8h}, [x1], #64 + ld1 {v16.8h-v19.8h}, [x0] + sqadd v0.8h, v0.8h, v16.8h + sqadd v1.8h, v1.8h, v17.8h + sqadd v2.8h, v2.8h, v18.8h + sqadd v3.8h, v3.8h, v19.8h + clip10 v0.8h, v1.8h, v20.8h, v21.8h + clip10 v2.8h, v3.8h, v20.8h, v21.8h + st1 {v0.8h-v3.8h}, [x0], x2 + bne 1b + ret +endfunc + .macro sum_sub out, in, c, op, p .ifc \op, + smlal\p \out, \in, \c diff --git a/libavcodec/aarch64/hevcdsp_init_aarch64.c b/libavcodec/aarch64/hevcdsp_init_aarch64.c index 19d9a7f9ed..4c29daa6d5 100644 --- a/libavcodec/aarch64/hevcdsp_init_aarch64.c +++ b/libavcodec/aarch64/hevcdsp_init_aarch64.c @@ -25,6 +25,22 @@ #include "libavutil/aarch64/cpu.h" #include "libavcodec/hevcdsp.h" +void ff_hevc_add_residual_4x4_8_neon(uint8_t *_dst, int16_t *coeffs, + ptrdiff_t stride); +void ff_hevc_add_residual_4x4_10_neon(uint8_t *_dst, int16_t *coeffs, + ptrdiff_t stride); +void ff_hevc_add_residual_8x8_8_neon(uint8_t *_dst, int16_t *coeffs, + ptrdiff_t stride); +void ff_hevc_add_residual_8x8_10_neon(uint8_t *_dst, int16_t *coeffs, + ptrdiff_t stride); +void ff_hevc_add_residual_16x16_8_neon(uint8_t *_dst, int16_t *coeffs, + ptrdiff_t stride); +void ff_hevc_add_residual_16x16_10_neon(uint8_t *_dst, int16_t *coeffs, + ptrdiff_t stride); +void ff_hevc_add_residual_32x32_8_neon(uint8_t *_dst, int16_t *coeffs, + ptrdiff_t stride); +void ff_hevc_add_residual_32x32_10_neon(uint8_t *_dst, int16_t *coeffs, + ptrdiff_t stride); void ff_hevc_idct_8x8_8_neon(int16_t *coeffs, int col_limit); void ff_hevc_idct_8x8_10_neon(int16_t *coeffs, int col_limit); void ff_hevc_idct_16x16_8_neon(int16_t *coeffs, int col_limit); @@ -35,10 +51,18 @@ av_cold void ff_hevc_dsp_init_aarch64(HEVCDSPContext *c, const int bit_depth) if (!have_neon(av_get_cpu_flags())) return; if (bit_depth == 8) { + c->add_residual[0] = ff_hevc_add_residual_4x4_8_neon; + c->add_residual[1] = ff_hevc_add_residual_8x8_8_neon; + c->add_residual[2] = ff_hevc_add_residual_16x16_8_neon; + c->add_residual[3] = ff_hevc_add_residual_32x32_8_neon; c->idct[1] = ff_hevc_idct_8x8_8_neon; c->idct[2] = ff_hevc_idct_16x16_8_neon; } if (bit_depth == 10) { + c->add_residual[0] = ff_hevc_add_residual_4x4_10_neon; + c->add_residual[1] = ff_hevc_add_residual_8x8_10_neon; + c->add_residual[2] = ff_hevc_add_residual_16x16_10_neon; + c->add_residual[3] = ff_hevc_add_residual_32x32_10_neon; c->idct[1] = ff_hevc_idct_8x8_10_neon; c->idct[2] = ff_hevc_idct_16x16_10_neon; }