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| author | Ramiro Polla <ramiro.polla@gmail.com> | 2024-08-30 20:30:22 +0200 |
|---|---|---|
| committer | Ramiro Polla <ramiro.polla@gmail.com> | 2024-09-06 23:05:09 +0200 |
| commit | d8848325a61813f81db7d2495f7d1fa41d7beb22 (patch) | |
| tree | 4b41f457445c8f8400868a4da0614a2ae84ed9f5 | |
| parent | c08bb33e41f98ec91af6fef096a4650a1e00b71c (diff) | |
| download | ffmpeg-d8848325a61813f81db7d2495f7d1fa41d7beb22.tar.gz | |
swscale/aarch64/rgb2rgb: add deinterleaveBytes neon implementation
A55 A76
deinterleave_bytes_c: 70342.0 34497.5
deinterleave_bytes_neon: 21594.5 ( 3.26x) 5535.2 ( 6.23x)
deinterleave_bytes_aligned_c: 71340.8 34651.2
deinterleave_bytes_aligned_neon: 8616.8 ( 8.28x) 3996.2 ( 8.67x)
| -rw-r--r-- | libswscale/aarch64/rgb2rgb.c | 4 | ||||
| -rw-r--r-- | libswscale/aarch64/rgb2rgb_neon.S | 59 |
2 files changed, 63 insertions, 0 deletions
diff --git a/libswscale/aarch64/rgb2rgb.c b/libswscale/aarch64/rgb2rgb.c index a9bf6ff9e0..31db23bff4 100644 --- a/libswscale/aarch64/rgb2rgb.c +++ b/libswscale/aarch64/rgb2rgb.c @@ -30,6 +30,9 @@ void ff_interleave_bytes_neon(const uint8_t *src1, const uint8_t *src2, uint8_t *dest, int width, int height, int src1Stride, int src2Stride, int dstStride); +void ff_deinterleave_bytes_neon(const uint8_t *src, uint8_t *dst1, uint8_t *dst2, + int width, int height, int srcStride, + int dst1Stride, int dst2Stride); av_cold void rgb2rgb_init_aarch64(void) { @@ -37,5 +40,6 @@ av_cold void rgb2rgb_init_aarch64(void) if (have_neon(cpu_flags)) { interleaveBytes = ff_interleave_bytes_neon; + deinterleaveBytes = ff_deinterleave_bytes_neon; } } diff --git a/libswscale/aarch64/rgb2rgb_neon.S b/libswscale/aarch64/rgb2rgb_neon.S index d81110ec57..2e4f2fb766 100644 --- a/libswscale/aarch64/rgb2rgb_neon.S +++ b/libswscale/aarch64/rgb2rgb_neon.S @@ -77,3 +77,62 @@ function ff_interleave_bytes_neon, export=1 0: ret endfunc + +// void ff_deinterleave_bytes_neon(const uint8_t *src, uint8_t *dst1, uint8_t *dst2, +// int width, int height, int srcStride, +// int dst1Stride, int dst2Stride); +function ff_deinterleave_bytes_neon, export=1 + sub w5, w5, w3, lsl #1 + sub w6, w6, w3 + sub w7, w7, w3 +1: + ands w8, w3, #0xfffffff0 // & ~15 + b.eq 3f +2: + ld2 {v0.16b, v1.16b}, [x0], #32 + subs w8, w8, #16 + st1 {v0.16b}, [x1], #16 + st1 {v1.16b}, [x2], #16 + b.gt 2b + + tst w3, #15 + b.eq 9f + +3: + tst w3, #8 + b.eq 4f + ld2 {v0.8b, v1.8b}, [x0], #16 + st1 {v0.8b}, [x1], #8 + st1 {v1.8b}, [x2], #8 +4: + tst w3, #4 + b.eq 5f + + ld1 {v0.8b}, [x0], #8 + shrn v1.8b, v0.8h, #8 + xtn v0.8b, v0.8h + st1 {v0.s}[0], [x1], #4 + st1 {v1.s}[0], [x2], #4 + +5: + ands w8, w3, #3 + b.eq 9f +6: + ldrh w9, [x0], #2 + subs w8, w8, #1 + ubfx w10, w9, #8, #8 + strb w9, [x1], #1 + strb w10, [x2], #1 + b.gt 6b + +9: + subs w4, w4, #1 + b.eq 0f + add x0, x0, w5, sxtw + add x1, x1, w6, sxtw + add x2, x2, w7, sxtw + b 1b + +0: + ret +endfunc |