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swscale/aarch64: Add bgr24 to yuv
Test on Apple M1 with kperf : -O3 : -O3 -fno-vectorize bgr24_to_uv_8_c : 28.5 : 52.5 bgr24_to_uv_8_neon : 54.5 : 59.7 bgr24_to_uv_128_c : 294.0 : 830.7 bgr24_to_uv_128_neon : 99.7 : 112.0 bgr24_to_uv_1080_c : 965.0 : 6624.0 bgr24_to_uv_1080_neon : 751.5 : 754.7 bgr24_to_uv_1920_c : 1693.2 : 11554.5 bgr24_to_uv_1920_neon : 1292.5 : 1307.5 bgr24_to_uv_half_8_c : 54.2 : 37.0 bgr24_to_uv_half_8_neon : 27.2 : 22.5 bgr24_to_uv_half_128_c : 127.2 : 392.5 bgr24_to_uv_half_128_neon : 63.0 : 52.0 bgr24_to_uv_half_1080_c : 880.2 : 3329.0 bgr24_to_uv_half_1080_neon : 401.5 : 390.7 bgr24_to_uv_half_1920_c : 1585.7 : 6390.7 bgr24_to_uv_half_1920_neon : 694.7 : 698.7 bgr24_to_y_8_c : 21.7 : 22.5 bgr24_to_y_8_neon : 797.2 : 25.5 bgr24_to_y_128_c : 88.0 : 280.5 bgr24_to_y_128_neon : 63.7 : 55.0 bgr24_to_y_1080_c : 616.7 : 2208.7 bgr24_to_y_1080_neon : 900.0 : 452.0 bgr24_to_y_1920_c : 1093.2 : 3894.7 bgr24_to_y_1920_neon : 777.2 : 767.5 Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
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Zhao Zhili
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@ -20,7 +20,7 @@
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#include "libavutil/aarch64/asm.S"
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.macro rgb24_to_yuv_load_rgb, src
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.macro rgb_to_yuv_load_rgb src
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ld3 { v16.16b, v17.16b, v18.16b }, [\src]
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uxtl v19.8h, v16.8b // v19: r
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uxtl v20.8h, v17.8b // v20: g
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@ -30,7 +30,7 @@
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uxtl2 v24.8h, v18.16b // v24: b
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.endm
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.macro rgb24_to_yuv_product, r, g, b, dst1, dst2, dst, coef0, coef1, coef2, right_shift
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.macro rgb_to_yuv_product r, g, b, dst1, dst2, dst, coef0, coef1, coef2, right_shift
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mov \dst1\().16b, v6.16b // dst1 = const_offset
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mov \dst2\().16b, v6.16b // dst2 = const_offset
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smlal \dst1\().4s, \coef0\().4h, \r\().4h // dst1 += rx * r
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@ -43,12 +43,20 @@
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sqshrn2 \dst\().8h, \dst2\().4s, \right_shift // dst_higher_half = dst2 >> right_shift
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.endm
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function ff_bgr24ToY_neon, export=1
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cmp w4, #0 // check width > 0
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ldp w12, w11, [x5] // w12: ry, w11: gy
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ldr w10, [x5, #8] // w10: by
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b.gt 4f
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ret
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endfunc
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function ff_rgb24ToY_neon, export=1
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cmp w4, #0 // check width > 0
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ldp w10, w11, [x5] // w10: ry, w11: gy
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ldr w12, [x5, #8] // w12: by
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b.le 3f
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4:
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mov w9, #256 // w9 = 1 << (RGB2YUV_SHIFT - 7)
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movk w9, #8, lsl #16 // w9 += 32 << (RGB2YUV_SHIFT - 1)
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dup v6.4s, w9 // w9: const_offset
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@ -59,9 +67,9 @@ function ff_rgb24ToY_neon, export=1
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dup v2.8h, w12
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b.lt 2f
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1:
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rgb24_to_yuv_load_rgb x1
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rgb24_to_yuv_product v19, v20, v21, v25, v26, v16, v0, v1, v2, #9
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rgb24_to_yuv_product v22, v23, v24, v27, v28, v17, v0, v1, v2, #9
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rgb_to_yuv_load_rgb x1
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rgb_to_yuv_product v19, v20, v21, v25, v26, v16, v0, v1, v2, #9
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rgb_to_yuv_product v22, v23, v24, v27, v28, v17, v0, v1, v2, #9
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sub w4, w4, #16 // width -= 16
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add x1, x1, #48 // src += 48
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cmp w4, #16 // width >= 16 ?
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@ -85,10 +93,7 @@ function ff_rgb24ToY_neon, export=1
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ret
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endfunc
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.macro rgb24_load_uv_coeff half
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ldp w10, w11, [x6, #12] // w10: ru, w11: gu
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ldp w12, w13, [x6, #20] // w12: bu, w13: rv
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ldp w14, w15, [x6, #28] // w14: gv, w15: bv
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.macro rgb_set_uv_coeff half
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.if \half
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mov w9, #512
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movk w9, #128, lsl #16 // w9: const_offset
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@ -105,12 +110,26 @@ endfunc
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dup v6.4s, w9
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.endm
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function ff_bgr24ToUV_half_neon, export=1
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cmp w5, #0 // check width > 0
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b.le 3f
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ldp w12, w11, [x6, #12]
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ldp w10, w15, [x6, #20]
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ldp w14, w13, [x6, #28]
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b 4f
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endfunc
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function ff_rgb24ToUV_half_neon, export=1
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cmp w5, #0 // check width > 0
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b.le 3f
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ldp w10, w11, [x6, #12] // w10: ru, w11: gu
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ldp w12, w13, [x6, #20] // w12: bu, w13: rv
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ldp w14, w15, [x6, #28] // w14: gv, w15: bv
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4:
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cmp w5, #8
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rgb24_load_uv_coeff half=1
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rgb_set_uv_coeff half=1
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b.lt 2f
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1:
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ld3 { v16.16b, v17.16b, v18.16b }, [x3]
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@ -118,8 +137,8 @@ function ff_rgb24ToUV_half_neon, export=1
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uaddlp v20.8h, v17.16b // v20: g
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uaddlp v21.8h, v18.16b // v21: b
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rgb24_to_yuv_product v19, v20, v21, v22, v23, v16, v0, v1, v2, #10
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rgb24_to_yuv_product v19, v20, v21, v24, v25, v17, v3, v4, v5, #10
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rgb_to_yuv_product v19, v20, v21, v22, v23, v16, v0, v1, v2, #10
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rgb_to_yuv_product v19, v20, v21, v24, v25, v17, v3, v4, v5, #10
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sub w5, w5, #8 // width -= 8
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add x3, x3, #48 // src += 48
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cmp w5, #8 // width >= 8 ?
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@ -158,19 +177,33 @@ function ff_rgb24ToUV_half_neon, export=1
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ret
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endfunc
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function ff_bgr24ToUV_neon, export=1
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cmp w5, #0 // check width > 0
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b.le 3f
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ldp w12, w11, [x6, #12]
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ldp w10, w15, [x6, #20]
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ldp w14, w13, [x6, #28]
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b 4f
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endfunc
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function ff_rgb24ToUV_neon, export=1
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cmp w5, #0 // check width > 0
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b.le 3f
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ldp w10, w11, [x6, #12] // w10: ru, w11: gu
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ldp w12, w13, [x6, #20] // w12: bu, w13: rv
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ldp w14, w15, [x6, #28] // w14: gv, w15: bv
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4:
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cmp w5, #16
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rgb24_load_uv_coeff half=0
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rgb_set_uv_coeff half=0
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b.lt 2f
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1:
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rgb24_to_yuv_load_rgb x3
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rgb24_to_yuv_product v19, v20, v21, v25, v26, v16, v0, v1, v2, #9
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rgb24_to_yuv_product v22, v23, v24, v27, v28, v17, v0, v1, v2, #9
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rgb24_to_yuv_product v19, v20, v21, v25, v26, v18, v3, v4, v5, #9
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rgb24_to_yuv_product v22, v23, v24, v27, v28, v19, v3, v4, v5, #9
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rgb_to_yuv_load_rgb x3
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rgb_to_yuv_product v19, v20, v21, v25, v26, v16, v0, v1, v2, #9
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rgb_to_yuv_product v22, v23, v24, v27, v28, v17, v0, v1, v2, #9
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rgb_to_yuv_product v19, v20, v21, v25, v26, v18, v3, v4, v5, #9
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rgb_to_yuv_product v22, v23, v24, v27, v28, v19, v3, v4, v5, #9
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sub w5, w5, #16
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add x3, x3, #48 // src += 48
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cmp w5, #16
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@ -201,19 +201,18 @@ void ff_yuv2plane1_8_neon(
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default: break; \
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}
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void ff_rgb24ToY_neon(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1,
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const uint8_t *unused2, int width,
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uint32_t *rgb2yuv, void *opq);
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#define NEON_INPUT(name) \
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void ff_##name##ToY_neon(uint8_t *dst, const uint8_t *src, const uint8_t *, \
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const uint8_t *, int w, uint32_t *coeffs, void *); \
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void ff_##name##ToUV_neon(uint8_t *, uint8_t *, const uint8_t *, \
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const uint8_t *, const uint8_t *, int w, \
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uint32_t *coeffs, void *); \
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void ff_##name##ToUV_half_neon(uint8_t *, uint8_t *, const uint8_t *, \
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const uint8_t *, const uint8_t *, int w, \
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uint32_t *coeffs, void *)
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void ff_rgb24ToUV_neon(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *unused0,
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const uint8_t *src1,
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const uint8_t *src2, int width, uint32_t *rgb2yuv,
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void *opq);
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void ff_rgb24ToUV_half_neon(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *unused0,
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const uint8_t *src1,
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const uint8_t *src2, int width, uint32_t *rgb2yuv,
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void *opq);
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NEON_INPUT(bgr24);
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NEON_INPUT(rgb24);
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void ff_lumRangeFromJpeg_neon(int16_t *dst, int width);
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void ff_chrRangeFromJpeg_neon(int16_t *dstU, int16_t *dstV, int width);
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@ -247,6 +246,13 @@ av_cold void ff_sws_init_swscale_aarch64(SwsContext *c)
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c->yuv2planeX = ff_yuv2planeX_8_neon;
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}
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switch (c->srcFormat) {
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case AV_PIX_FMT_BGR24:
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c->lumToYV12 = ff_bgr24ToY_neon;
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if (c->chrSrcHSubSample)
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c->chrToYV12 = ff_bgr24ToUV_half_neon;
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else
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c->chrToYV12 = ff_bgr24ToUV_neon;
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break;
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case AV_PIX_FMT_RGB24:
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c->lumToYV12 = ff_rgb24ToY_neon;
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if (c->chrSrcHSubSample)
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