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author | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
commit | 5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb (patch) | |
tree | 45d55e3e5e73c4255c4d71258d9be5b2d004d28f /third_party/aom/aom_dsp/arm/variance_neon.c | |
parent | 50f1986697a7412e4160976fa5e11217b4ef1f44 (diff) | |
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Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'third_party/aom/aom_dsp/arm/variance_neon.c')
-rw-r--r-- | third_party/aom/aom_dsp/arm/variance_neon.c | 400 |
1 files changed, 0 insertions, 400 deletions
diff --git a/third_party/aom/aom_dsp/arm/variance_neon.c b/third_party/aom/aom_dsp/arm/variance_neon.c deleted file mode 100644 index 74385a601..000000000 --- a/third_party/aom/aom_dsp/arm/variance_neon.c +++ /dev/null @@ -1,400 +0,0 @@ -/* - * Copyright (c) 2016, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#include <arm_neon.h> - -#include "config/aom_dsp_rtcd.h" -#include "config/aom_config.h" - -#include "aom/aom_integer.h" -#include "aom_ports/mem.h" - -static INLINE int horizontal_add_s16x8(const int16x8_t v_16x8) { - const int32x4_t a = vpaddlq_s16(v_16x8); - const int64x2_t b = vpaddlq_s32(a); - const int32x2_t c = vadd_s32(vreinterpret_s32_s64(vget_low_s64(b)), - vreinterpret_s32_s64(vget_high_s64(b))); - return vget_lane_s32(c, 0); -} - -static INLINE int horizontal_add_s32x4(const int32x4_t v_32x4) { - const int64x2_t b = vpaddlq_s32(v_32x4); - const int32x2_t c = vadd_s32(vreinterpret_s32_s64(vget_low_s64(b)), - vreinterpret_s32_s64(vget_high_s64(b))); - return vget_lane_s32(c, 0); -} - -// w * h must be less than 2048 or local variable v_sum may overflow. -static void variance_neon_w8(const uint8_t *a, int a_stride, const uint8_t *b, - int b_stride, int w, int h, uint32_t *sse, - int *sum) { - int i, j; - int16x8_t v_sum = vdupq_n_s16(0); - int32x4_t v_sse_lo = vdupq_n_s32(0); - int32x4_t v_sse_hi = vdupq_n_s32(0); - - for (i = 0; i < h; ++i) { - for (j = 0; j < w; j += 8) { - const uint8x8_t v_a = vld1_u8(&a[j]); - const uint8x8_t v_b = vld1_u8(&b[j]); - const uint16x8_t v_diff = vsubl_u8(v_a, v_b); - const int16x8_t sv_diff = vreinterpretq_s16_u16(v_diff); - v_sum = vaddq_s16(v_sum, sv_diff); - v_sse_lo = - vmlal_s16(v_sse_lo, vget_low_s16(sv_diff), vget_low_s16(sv_diff)); - v_sse_hi = - vmlal_s16(v_sse_hi, vget_high_s16(sv_diff), vget_high_s16(sv_diff)); - } - a += a_stride; - b += b_stride; - } - - *sum = horizontal_add_s16x8(v_sum); - *sse = (unsigned int)horizontal_add_s32x4(vaddq_s32(v_sse_lo, v_sse_hi)); -} - -void aom_get8x8var_neon(const uint8_t *a, int a_stride, const uint8_t *b, - int b_stride, unsigned int *sse, int *sum) { - variance_neon_w8(a, a_stride, b, b_stride, 8, 8, sse, sum); -} - -void aom_get16x16var_neon(const uint8_t *a, int a_stride, const uint8_t *b, - int b_stride, unsigned int *sse, int *sum) { - variance_neon_w8(a, a_stride, b, b_stride, 16, 16, sse, sum); -} - -unsigned int aom_variance8x8_neon(const uint8_t *a, int a_stride, - const uint8_t *b, int b_stride, - unsigned int *sse) { - int sum; - variance_neon_w8(a, a_stride, b, b_stride, 8, 8, sse, &sum); - return *sse - ((sum * sum) >> 6); -} - -unsigned int aom_variance16x16_neon(const uint8_t *a, int a_stride, - const uint8_t *b, int b_stride, - unsigned int *sse) { - int sum; - variance_neon_w8(a, a_stride, b, b_stride, 16, 16, sse, &sum); - return *sse - (((unsigned int)((int64_t)sum * sum)) >> 8); -} - -unsigned int aom_variance32x32_neon(const uint8_t *a, int a_stride, - const uint8_t *b, int b_stride, - unsigned int *sse) { - int sum; - variance_neon_w8(a, a_stride, b, b_stride, 32, 32, sse, &sum); - return *sse - (unsigned int)(((int64_t)sum * sum) >> 10); -} - -unsigned int aom_variance32x64_neon(const uint8_t *a, int a_stride, - const uint8_t *b, int b_stride, - unsigned int *sse) { - int sum1, sum2; - uint32_t sse1, sse2; - variance_neon_w8(a, a_stride, b, b_stride, 32, 32, &sse1, &sum1); - variance_neon_w8(a + (32 * a_stride), a_stride, b + (32 * b_stride), b_stride, - 32, 32, &sse2, &sum2); - *sse = sse1 + sse2; - sum1 += sum2; - return *sse - (unsigned int)(((int64_t)sum1 * sum1) >> 11); -} - -unsigned int aom_variance64x32_neon(const uint8_t *a, int a_stride, - const uint8_t *b, int b_stride, - unsigned int *sse) { - int sum1, sum2; - uint32_t sse1, sse2; - variance_neon_w8(a, a_stride, b, b_stride, 64, 16, &sse1, &sum1); - variance_neon_w8(a + (16 * a_stride), a_stride, b + (16 * b_stride), b_stride, - 64, 16, &sse2, &sum2); - *sse = sse1 + sse2; - sum1 += sum2; - return *sse - (unsigned int)(((int64_t)sum1 * sum1) >> 11); -} - -unsigned int aom_variance64x64_neon(const uint8_t *a, int a_stride, - const uint8_t *b, int b_stride, - unsigned int *sse) { - int sum1, sum2; - uint32_t sse1, sse2; - - variance_neon_w8(a, a_stride, b, b_stride, 64, 16, &sse1, &sum1); - variance_neon_w8(a + (16 * a_stride), a_stride, b + (16 * b_stride), b_stride, - 64, 16, &sse2, &sum2); - sse1 += sse2; - sum1 += sum2; - - variance_neon_w8(a + (16 * 2 * a_stride), a_stride, b + (16 * 2 * b_stride), - b_stride, 64, 16, &sse2, &sum2); - sse1 += sse2; - sum1 += sum2; - - variance_neon_w8(a + (16 * 3 * a_stride), a_stride, b + (16 * 3 * b_stride), - b_stride, 64, 16, &sse2, &sum2); - *sse = sse1 + sse2; - sum1 += sum2; - return *sse - (unsigned int)(((int64_t)sum1 * sum1) >> 12); -} - -unsigned int aom_variance16x8_neon(const unsigned char *src_ptr, - int source_stride, - const unsigned char *ref_ptr, - int recon_stride, unsigned int *sse) { - int i; - int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16; - uint32x2_t d0u32, d10u32; - int64x1_t d0s64, d1s64; - uint8x16_t q0u8, q1u8, q2u8, q3u8; - uint16x8_t q11u16, q12u16, q13u16, q14u16; - int32x4_t q8s32, q9s32, q10s32; - int64x2_t q0s64, q1s64, q5s64; - - q8s32 = vdupq_n_s32(0); - q9s32 = vdupq_n_s32(0); - q10s32 = vdupq_n_s32(0); - - for (i = 0; i < 4; i++) { - q0u8 = vld1q_u8(src_ptr); - src_ptr += source_stride; - q1u8 = vld1q_u8(src_ptr); - src_ptr += source_stride; - __builtin_prefetch(src_ptr); - - q2u8 = vld1q_u8(ref_ptr); - ref_ptr += recon_stride; - q3u8 = vld1q_u8(ref_ptr); - ref_ptr += recon_stride; - __builtin_prefetch(ref_ptr); - - q11u16 = vsubl_u8(vget_low_u8(q0u8), vget_low_u8(q2u8)); - q12u16 = vsubl_u8(vget_high_u8(q0u8), vget_high_u8(q2u8)); - q13u16 = vsubl_u8(vget_low_u8(q1u8), vget_low_u8(q3u8)); - q14u16 = vsubl_u8(vget_high_u8(q1u8), vget_high_u8(q3u8)); - - d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16)); - d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16)); - q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16)); - q9s32 = vmlal_s16(q9s32, d22s16, d22s16); - q10s32 = vmlal_s16(q10s32, d23s16, d23s16); - - d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16)); - d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16)); - q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16)); - q9s32 = vmlal_s16(q9s32, d24s16, d24s16); - q10s32 = vmlal_s16(q10s32, d25s16, d25s16); - - d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16)); - d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16)); - q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q13u16)); - q9s32 = vmlal_s16(q9s32, d26s16, d26s16); - q10s32 = vmlal_s16(q10s32, d27s16, d27s16); - - d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16)); - d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16)); - q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q14u16)); - q9s32 = vmlal_s16(q9s32, d28s16, d28s16); - q10s32 = vmlal_s16(q10s32, d29s16, d29s16); - } - - q10s32 = vaddq_s32(q10s32, q9s32); - q0s64 = vpaddlq_s32(q8s32); - q1s64 = vpaddlq_s32(q10s32); - - d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64)); - d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64)); - - q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64), vreinterpret_s32_s64(d0s64)); - vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0); - - d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 7); - d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32); - - return vget_lane_u32(d0u32, 0); -} - -unsigned int aom_variance8x16_neon(const unsigned char *src_ptr, - int source_stride, - const unsigned char *ref_ptr, - int recon_stride, unsigned int *sse) { - int i; - uint8x8_t d0u8, d2u8, d4u8, d6u8; - int16x4_t d22s16, d23s16, d24s16, d25s16; - uint32x2_t d0u32, d10u32; - int64x1_t d0s64, d1s64; - uint16x8_t q11u16, q12u16; - int32x4_t q8s32, q9s32, q10s32; - int64x2_t q0s64, q1s64, q5s64; - - q8s32 = vdupq_n_s32(0); - q9s32 = vdupq_n_s32(0); - q10s32 = vdupq_n_s32(0); - - for (i = 0; i < 8; i++) { - d0u8 = vld1_u8(src_ptr); - src_ptr += source_stride; - d2u8 = vld1_u8(src_ptr); - src_ptr += source_stride; - __builtin_prefetch(src_ptr); - - d4u8 = vld1_u8(ref_ptr); - ref_ptr += recon_stride; - d6u8 = vld1_u8(ref_ptr); - ref_ptr += recon_stride; - __builtin_prefetch(ref_ptr); - - q11u16 = vsubl_u8(d0u8, d4u8); - q12u16 = vsubl_u8(d2u8, d6u8); - - d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16)); - d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16)); - q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16)); - q9s32 = vmlal_s16(q9s32, d22s16, d22s16); - q10s32 = vmlal_s16(q10s32, d23s16, d23s16); - - d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16)); - d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16)); - q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16)); - q9s32 = vmlal_s16(q9s32, d24s16, d24s16); - q10s32 = vmlal_s16(q10s32, d25s16, d25s16); - } - - q10s32 = vaddq_s32(q10s32, q9s32); - q0s64 = vpaddlq_s32(q8s32); - q1s64 = vpaddlq_s32(q10s32); - - d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64)); - d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64)); - - q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64), vreinterpret_s32_s64(d0s64)); - vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0); - - d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 7); - d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32); - - return vget_lane_u32(d0u32, 0); -} - -unsigned int aom_mse16x16_neon(const unsigned char *src_ptr, int source_stride, - const unsigned char *ref_ptr, int recon_stride, - unsigned int *sse) { - int i; - int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16; - int64x1_t d0s64; - uint8x16_t q0u8, q1u8, q2u8, q3u8; - int32x4_t q7s32, q8s32, q9s32, q10s32; - uint16x8_t q11u16, q12u16, q13u16, q14u16; - int64x2_t q1s64; - - q7s32 = vdupq_n_s32(0); - q8s32 = vdupq_n_s32(0); - q9s32 = vdupq_n_s32(0); - q10s32 = vdupq_n_s32(0); - - for (i = 0; i < 8; i++) { // mse16x16_neon_loop - q0u8 = vld1q_u8(src_ptr); - src_ptr += source_stride; - q1u8 = vld1q_u8(src_ptr); - src_ptr += source_stride; - q2u8 = vld1q_u8(ref_ptr); - ref_ptr += recon_stride; - q3u8 = vld1q_u8(ref_ptr); - ref_ptr += recon_stride; - - q11u16 = vsubl_u8(vget_low_u8(q0u8), vget_low_u8(q2u8)); - q12u16 = vsubl_u8(vget_high_u8(q0u8), vget_high_u8(q2u8)); - q13u16 = vsubl_u8(vget_low_u8(q1u8), vget_low_u8(q3u8)); - q14u16 = vsubl_u8(vget_high_u8(q1u8), vget_high_u8(q3u8)); - - d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16)); - d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16)); - q7s32 = vmlal_s16(q7s32, d22s16, d22s16); - q8s32 = vmlal_s16(q8s32, d23s16, d23s16); - - d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16)); - d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16)); - q9s32 = vmlal_s16(q9s32, d24s16, d24s16); - q10s32 = vmlal_s16(q10s32, d25s16, d25s16); - - d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16)); - d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16)); - q7s32 = vmlal_s16(q7s32, d26s16, d26s16); - q8s32 = vmlal_s16(q8s32, d27s16, d27s16); - - d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16)); - d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16)); - q9s32 = vmlal_s16(q9s32, d28s16, d28s16); - q10s32 = vmlal_s16(q10s32, d29s16, d29s16); - } - - q7s32 = vaddq_s32(q7s32, q8s32); - q9s32 = vaddq_s32(q9s32, q10s32); - q10s32 = vaddq_s32(q7s32, q9s32); - - q1s64 = vpaddlq_s32(q10s32); - d0s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64)); - - vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d0s64), 0); - return vget_lane_u32(vreinterpret_u32_s64(d0s64), 0); -} - -unsigned int aom_get4x4sse_cs_neon(const unsigned char *src_ptr, - int source_stride, - const unsigned char *ref_ptr, - int recon_stride) { - int16x4_t d22s16, d24s16, d26s16, d28s16; - int64x1_t d0s64; - uint8x8_t d0u8, d1u8, d2u8, d3u8, d4u8, d5u8, d6u8, d7u8; - int32x4_t q7s32, q8s32, q9s32, q10s32; - uint16x8_t q11u16, q12u16, q13u16, q14u16; - int64x2_t q1s64; - - d0u8 = vld1_u8(src_ptr); - src_ptr += source_stride; - d4u8 = vld1_u8(ref_ptr); - ref_ptr += recon_stride; - d1u8 = vld1_u8(src_ptr); - src_ptr += source_stride; - d5u8 = vld1_u8(ref_ptr); - ref_ptr += recon_stride; - d2u8 = vld1_u8(src_ptr); - src_ptr += source_stride; - d6u8 = vld1_u8(ref_ptr); - ref_ptr += recon_stride; - d3u8 = vld1_u8(src_ptr); - src_ptr += source_stride; - d7u8 = vld1_u8(ref_ptr); - ref_ptr += recon_stride; - - q11u16 = vsubl_u8(d0u8, d4u8); - q12u16 = vsubl_u8(d1u8, d5u8); - q13u16 = vsubl_u8(d2u8, d6u8); - q14u16 = vsubl_u8(d3u8, d7u8); - - d22s16 = vget_low_s16(vreinterpretq_s16_u16(q11u16)); - d24s16 = vget_low_s16(vreinterpretq_s16_u16(q12u16)); - d26s16 = vget_low_s16(vreinterpretq_s16_u16(q13u16)); - d28s16 = vget_low_s16(vreinterpretq_s16_u16(q14u16)); - - q7s32 = vmull_s16(d22s16, d22s16); - q8s32 = vmull_s16(d24s16, d24s16); - q9s32 = vmull_s16(d26s16, d26s16); - q10s32 = vmull_s16(d28s16, d28s16); - - q7s32 = vaddq_s32(q7s32, q8s32); - q9s32 = vaddq_s32(q9s32, q10s32); - q9s32 = vaddq_s32(q7s32, q9s32); - - q1s64 = vpaddlq_s32(q9s32); - d0s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64)); - - return vget_lane_u32(vreinterpret_u32_s64(d0s64), 0); -} |