diff options
Diffstat (limited to 'media/libvpx/vp9/encoder/arm')
-rw-r--r-- | media/libvpx/vp9/encoder/arm/neon/vp9_dct_neon.c | 241 | ||||
-rw-r--r-- | media/libvpx/vp9/encoder/arm/neon/vp9_quantize_neon.c | 118 | ||||
-rw-r--r-- | media/libvpx/vp9/encoder/arm/neon/vp9_subtract_neon.c | 81 | ||||
-rw-r--r-- | media/libvpx/vp9/encoder/arm/neon/vp9_variance_neon.c | 153 | ||||
-rw-r--r-- | media/libvpx/vp9/encoder/arm/neon/vp9enc_avg_neon.c | 49 |
5 files changed, 642 insertions, 0 deletions
diff --git a/media/libvpx/vp9/encoder/arm/neon/vp9_dct_neon.c b/media/libvpx/vp9/encoder/arm/neon/vp9_dct_neon.c new file mode 100644 index 000000000..a6d4797ad --- /dev/null +++ b/media/libvpx/vp9/encoder/arm/neon/vp9_dct_neon.c @@ -0,0 +1,241 @@ +/* + * Copyright (c) 2014 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <arm_neon.h> +#include "./vp9_rtcd.h" +#include "./vpx_config.h" + +#include "vp9/common/vp9_blockd.h" +#include "vp9/common/vp9_idct.h" + +void vp9_fdct8x8_1_neon(const int16_t *input, int16_t *output, int stride) { + int r; + int16x8_t sum = vld1q_s16(&input[0]); + for (r = 1; r < 8; ++r) { + const int16x8_t input_00 = vld1q_s16(&input[r * stride]); + sum = vaddq_s16(sum, input_00); + } + { + const int32x4_t a = vpaddlq_s16(sum); + 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))); + output[0] = vget_lane_s16(vreinterpret_s16_s32(c), 0); + output[1] = 0; + } +} + +void vp9_fdct8x8_quant_neon(const int16_t *input, int stride, + int16_t* coeff_ptr, intptr_t n_coeffs, + int skip_block, const int16_t* zbin_ptr, + const int16_t* round_ptr, const int16_t* quant_ptr, + const int16_t* quant_shift_ptr, + int16_t* qcoeff_ptr, int16_t* dqcoeff_ptr, + const int16_t* dequant_ptr, uint16_t* eob_ptr, + const int16_t* scan_ptr, + const int16_t* iscan_ptr) { + int16_t temp_buffer[64]; + (void)coeff_ptr; + + vp9_fdct8x8_neon(input, temp_buffer, stride); + vp9_quantize_fp_neon(temp_buffer, n_coeffs, skip_block, zbin_ptr, round_ptr, + quant_ptr, quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, + dequant_ptr, eob_ptr, scan_ptr, iscan_ptr); +} + +void vp9_fdct8x8_neon(const int16_t *input, int16_t *final_output, int stride) { + int i; + // stage 1 + int16x8_t input_0 = vshlq_n_s16(vld1q_s16(&input[0 * stride]), 2); + int16x8_t input_1 = vshlq_n_s16(vld1q_s16(&input[1 * stride]), 2); + int16x8_t input_2 = vshlq_n_s16(vld1q_s16(&input[2 * stride]), 2); + int16x8_t input_3 = vshlq_n_s16(vld1q_s16(&input[3 * stride]), 2); + int16x8_t input_4 = vshlq_n_s16(vld1q_s16(&input[4 * stride]), 2); + int16x8_t input_5 = vshlq_n_s16(vld1q_s16(&input[5 * stride]), 2); + int16x8_t input_6 = vshlq_n_s16(vld1q_s16(&input[6 * stride]), 2); + int16x8_t input_7 = vshlq_n_s16(vld1q_s16(&input[7 * stride]), 2); + for (i = 0; i < 2; ++i) { + int16x8_t out_0, out_1, out_2, out_3, out_4, out_5, out_6, out_7; + const int16x8_t v_s0 = vaddq_s16(input_0, input_7); + const int16x8_t v_s1 = vaddq_s16(input_1, input_6); + const int16x8_t v_s2 = vaddq_s16(input_2, input_5); + const int16x8_t v_s3 = vaddq_s16(input_3, input_4); + const int16x8_t v_s4 = vsubq_s16(input_3, input_4); + const int16x8_t v_s5 = vsubq_s16(input_2, input_5); + const int16x8_t v_s6 = vsubq_s16(input_1, input_6); + const int16x8_t v_s7 = vsubq_s16(input_0, input_7); + // fdct4(step, step); + int16x8_t v_x0 = vaddq_s16(v_s0, v_s3); + int16x8_t v_x1 = vaddq_s16(v_s1, v_s2); + int16x8_t v_x2 = vsubq_s16(v_s1, v_s2); + int16x8_t v_x3 = vsubq_s16(v_s0, v_s3); + // fdct4(step, step); + int32x4_t v_t0_lo = vaddl_s16(vget_low_s16(v_x0), vget_low_s16(v_x1)); + int32x4_t v_t0_hi = vaddl_s16(vget_high_s16(v_x0), vget_high_s16(v_x1)); + int32x4_t v_t1_lo = vsubl_s16(vget_low_s16(v_x0), vget_low_s16(v_x1)); + int32x4_t v_t1_hi = vsubl_s16(vget_high_s16(v_x0), vget_high_s16(v_x1)); + int32x4_t v_t2_lo = vmull_n_s16(vget_low_s16(v_x2), (int16_t)cospi_24_64); + int32x4_t v_t2_hi = vmull_n_s16(vget_high_s16(v_x2), (int16_t)cospi_24_64); + int32x4_t v_t3_lo = vmull_n_s16(vget_low_s16(v_x3), (int16_t)cospi_24_64); + int32x4_t v_t3_hi = vmull_n_s16(vget_high_s16(v_x3), (int16_t)cospi_24_64); + v_t2_lo = vmlal_n_s16(v_t2_lo, vget_low_s16(v_x3), (int16_t)cospi_8_64); + v_t2_hi = vmlal_n_s16(v_t2_hi, vget_high_s16(v_x3), (int16_t)cospi_8_64); + v_t3_lo = vmlsl_n_s16(v_t3_lo, vget_low_s16(v_x2), (int16_t)cospi_8_64); + v_t3_hi = vmlsl_n_s16(v_t3_hi, vget_high_s16(v_x2), (int16_t)cospi_8_64); + v_t0_lo = vmulq_n_s32(v_t0_lo, cospi_16_64); + v_t0_hi = vmulq_n_s32(v_t0_hi, cospi_16_64); + v_t1_lo = vmulq_n_s32(v_t1_lo, cospi_16_64); + v_t1_hi = vmulq_n_s32(v_t1_hi, cospi_16_64); + { + const int16x4_t a = vrshrn_n_s32(v_t0_lo, DCT_CONST_BITS); + const int16x4_t b = vrshrn_n_s32(v_t0_hi, DCT_CONST_BITS); + const int16x4_t c = vrshrn_n_s32(v_t1_lo, DCT_CONST_BITS); + const int16x4_t d = vrshrn_n_s32(v_t1_hi, DCT_CONST_BITS); + const int16x4_t e = vrshrn_n_s32(v_t2_lo, DCT_CONST_BITS); + const int16x4_t f = vrshrn_n_s32(v_t2_hi, DCT_CONST_BITS); + const int16x4_t g = vrshrn_n_s32(v_t3_lo, DCT_CONST_BITS); + const int16x4_t h = vrshrn_n_s32(v_t3_hi, DCT_CONST_BITS); + out_0 = vcombine_s16(a, c); // 00 01 02 03 40 41 42 43 + out_2 = vcombine_s16(e, g); // 20 21 22 23 60 61 62 63 + out_4 = vcombine_s16(b, d); // 04 05 06 07 44 45 46 47 + out_6 = vcombine_s16(f, h); // 24 25 26 27 64 65 66 67 + } + // Stage 2 + v_x0 = vsubq_s16(v_s6, v_s5); + v_x1 = vaddq_s16(v_s6, v_s5); + v_t0_lo = vmull_n_s16(vget_low_s16(v_x0), (int16_t)cospi_16_64); + v_t0_hi = vmull_n_s16(vget_high_s16(v_x0), (int16_t)cospi_16_64); + v_t1_lo = vmull_n_s16(vget_low_s16(v_x1), (int16_t)cospi_16_64); + v_t1_hi = vmull_n_s16(vget_high_s16(v_x1), (int16_t)cospi_16_64); + { + const int16x4_t a = vrshrn_n_s32(v_t0_lo, DCT_CONST_BITS); + const int16x4_t b = vrshrn_n_s32(v_t0_hi, DCT_CONST_BITS); + const int16x4_t c = vrshrn_n_s32(v_t1_lo, DCT_CONST_BITS); + const int16x4_t d = vrshrn_n_s32(v_t1_hi, DCT_CONST_BITS); + const int16x8_t ab = vcombine_s16(a, b); + const int16x8_t cd = vcombine_s16(c, d); + // Stage 3 + v_x0 = vaddq_s16(v_s4, ab); + v_x1 = vsubq_s16(v_s4, ab); + v_x2 = vsubq_s16(v_s7, cd); + v_x3 = vaddq_s16(v_s7, cd); + } + // Stage 4 + v_t0_lo = vmull_n_s16(vget_low_s16(v_x3), (int16_t)cospi_4_64); + v_t0_hi = vmull_n_s16(vget_high_s16(v_x3), (int16_t)cospi_4_64); + v_t0_lo = vmlal_n_s16(v_t0_lo, vget_low_s16(v_x0), (int16_t)cospi_28_64); + v_t0_hi = vmlal_n_s16(v_t0_hi, vget_high_s16(v_x0), (int16_t)cospi_28_64); + v_t1_lo = vmull_n_s16(vget_low_s16(v_x1), (int16_t)cospi_12_64); + v_t1_hi = vmull_n_s16(vget_high_s16(v_x1), (int16_t)cospi_12_64); + v_t1_lo = vmlal_n_s16(v_t1_lo, vget_low_s16(v_x2), (int16_t)cospi_20_64); + v_t1_hi = vmlal_n_s16(v_t1_hi, vget_high_s16(v_x2), (int16_t)cospi_20_64); + v_t2_lo = vmull_n_s16(vget_low_s16(v_x2), (int16_t)cospi_12_64); + v_t2_hi = vmull_n_s16(vget_high_s16(v_x2), (int16_t)cospi_12_64); + v_t2_lo = vmlsl_n_s16(v_t2_lo, vget_low_s16(v_x1), (int16_t)cospi_20_64); + v_t2_hi = vmlsl_n_s16(v_t2_hi, vget_high_s16(v_x1), (int16_t)cospi_20_64); + v_t3_lo = vmull_n_s16(vget_low_s16(v_x3), (int16_t)cospi_28_64); + v_t3_hi = vmull_n_s16(vget_high_s16(v_x3), (int16_t)cospi_28_64); + v_t3_lo = vmlsl_n_s16(v_t3_lo, vget_low_s16(v_x0), (int16_t)cospi_4_64); + v_t3_hi = vmlsl_n_s16(v_t3_hi, vget_high_s16(v_x0), (int16_t)cospi_4_64); + { + const int16x4_t a = vrshrn_n_s32(v_t0_lo, DCT_CONST_BITS); + const int16x4_t b = vrshrn_n_s32(v_t0_hi, DCT_CONST_BITS); + const int16x4_t c = vrshrn_n_s32(v_t1_lo, DCT_CONST_BITS); + const int16x4_t d = vrshrn_n_s32(v_t1_hi, DCT_CONST_BITS); + const int16x4_t e = vrshrn_n_s32(v_t2_lo, DCT_CONST_BITS); + const int16x4_t f = vrshrn_n_s32(v_t2_hi, DCT_CONST_BITS); + const int16x4_t g = vrshrn_n_s32(v_t3_lo, DCT_CONST_BITS); + const int16x4_t h = vrshrn_n_s32(v_t3_hi, DCT_CONST_BITS); + out_1 = vcombine_s16(a, c); // 10 11 12 13 50 51 52 53 + out_3 = vcombine_s16(e, g); // 30 31 32 33 70 71 72 73 + out_5 = vcombine_s16(b, d); // 14 15 16 17 54 55 56 57 + out_7 = vcombine_s16(f, h); // 34 35 36 37 74 75 76 77 + } + // transpose 8x8 + { + // 00 01 02 03 40 41 42 43 + // 10 11 12 13 50 51 52 53 + // 20 21 22 23 60 61 62 63 + // 30 31 32 33 70 71 72 73 + // 04 05 06 07 44 45 46 47 + // 14 15 16 17 54 55 56 57 + // 24 25 26 27 64 65 66 67 + // 34 35 36 37 74 75 76 77 + const int32x4x2_t r02_s32 = vtrnq_s32(vreinterpretq_s32_s16(out_0), + vreinterpretq_s32_s16(out_2)); + const int32x4x2_t r13_s32 = vtrnq_s32(vreinterpretq_s32_s16(out_1), + vreinterpretq_s32_s16(out_3)); + const int32x4x2_t r46_s32 = vtrnq_s32(vreinterpretq_s32_s16(out_4), + vreinterpretq_s32_s16(out_6)); + const int32x4x2_t r57_s32 = vtrnq_s32(vreinterpretq_s32_s16(out_5), + vreinterpretq_s32_s16(out_7)); + const int16x8x2_t r01_s16 = + vtrnq_s16(vreinterpretq_s16_s32(r02_s32.val[0]), + vreinterpretq_s16_s32(r13_s32.val[0])); + const int16x8x2_t r23_s16 = + vtrnq_s16(vreinterpretq_s16_s32(r02_s32.val[1]), + vreinterpretq_s16_s32(r13_s32.val[1])); + const int16x8x2_t r45_s16 = + vtrnq_s16(vreinterpretq_s16_s32(r46_s32.val[0]), + vreinterpretq_s16_s32(r57_s32.val[0])); + const int16x8x2_t r67_s16 = + vtrnq_s16(vreinterpretq_s16_s32(r46_s32.val[1]), + vreinterpretq_s16_s32(r57_s32.val[1])); + input_0 = r01_s16.val[0]; + input_1 = r01_s16.val[1]; + input_2 = r23_s16.val[0]; + input_3 = r23_s16.val[1]; + input_4 = r45_s16.val[0]; + input_5 = r45_s16.val[1]; + input_6 = r67_s16.val[0]; + input_7 = r67_s16.val[1]; + // 00 10 20 30 40 50 60 70 + // 01 11 21 31 41 51 61 71 + // 02 12 22 32 42 52 62 72 + // 03 13 23 33 43 53 63 73 + // 04 14 24 34 44 54 64 74 + // 05 15 25 35 45 55 65 75 + // 06 16 26 36 46 56 66 76 + // 07 17 27 37 47 57 67 77 + } + } // for + { + // from vp9_dct_sse2.c + // Post-condition (division by two) + // division of two 16 bits signed numbers using shifts + // n / 2 = (n - (n >> 15)) >> 1 + const int16x8_t sign_in0 = vshrq_n_s16(input_0, 15); + const int16x8_t sign_in1 = vshrq_n_s16(input_1, 15); + const int16x8_t sign_in2 = vshrq_n_s16(input_2, 15); + const int16x8_t sign_in3 = vshrq_n_s16(input_3, 15); + const int16x8_t sign_in4 = vshrq_n_s16(input_4, 15); + const int16x8_t sign_in5 = vshrq_n_s16(input_5, 15); + const int16x8_t sign_in6 = vshrq_n_s16(input_6, 15); + const int16x8_t sign_in7 = vshrq_n_s16(input_7, 15); + input_0 = vhsubq_s16(input_0, sign_in0); + input_1 = vhsubq_s16(input_1, sign_in1); + input_2 = vhsubq_s16(input_2, sign_in2); + input_3 = vhsubq_s16(input_3, sign_in3); + input_4 = vhsubq_s16(input_4, sign_in4); + input_5 = vhsubq_s16(input_5, sign_in5); + input_6 = vhsubq_s16(input_6, sign_in6); + input_7 = vhsubq_s16(input_7, sign_in7); + // store results + vst1q_s16(&final_output[0 * 8], input_0); + vst1q_s16(&final_output[1 * 8], input_1); + vst1q_s16(&final_output[2 * 8], input_2); + vst1q_s16(&final_output[3 * 8], input_3); + vst1q_s16(&final_output[4 * 8], input_4); + vst1q_s16(&final_output[5 * 8], input_5); + vst1q_s16(&final_output[6 * 8], input_6); + vst1q_s16(&final_output[7 * 8], input_7); + } +} + diff --git a/media/libvpx/vp9/encoder/arm/neon/vp9_quantize_neon.c b/media/libvpx/vp9/encoder/arm/neon/vp9_quantize_neon.c new file mode 100644 index 000000000..47363c75b --- /dev/null +++ b/media/libvpx/vp9/encoder/arm/neon/vp9_quantize_neon.c @@ -0,0 +1,118 @@ +/* + * Copyright (c) 2014 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <arm_neon.h> + +#include <math.h> + +#include "vpx_mem/vpx_mem.h" + +#include "vp9/common/vp9_quant_common.h" +#include "vp9/common/vp9_seg_common.h" + +#include "vp9/encoder/vp9_encoder.h" +#include "vp9/encoder/vp9_quantize.h" +#include "vp9/encoder/vp9_rd.h" + +void vp9_quantize_fp_neon(const int16_t *coeff_ptr, intptr_t count, + int skip_block, const int16_t *zbin_ptr, + const int16_t *round_ptr, const int16_t *quant_ptr, + const int16_t *quant_shift_ptr, int16_t *qcoeff_ptr, + int16_t *dqcoeff_ptr, const int16_t *dequant_ptr, + uint16_t *eob_ptr, + const int16_t *scan, const int16_t *iscan) { + // TODO(jingning) Decide the need of these arguments after the + // quantization process is completed. + (void)zbin_ptr; + (void)quant_shift_ptr; + (void)scan; + + if (!skip_block) { + // Quantization pass: All coefficients with index >= zero_flag are + // skippable. Note: zero_flag can be zero. + int i; + const int16x8_t v_zero = vdupq_n_s16(0); + const int16x8_t v_one = vdupq_n_s16(1); + int16x8_t v_eobmax_76543210 = vdupq_n_s16(-1); + int16x8_t v_round = vmovq_n_s16(round_ptr[1]); + int16x8_t v_quant = vmovq_n_s16(quant_ptr[1]); + int16x8_t v_dequant = vmovq_n_s16(dequant_ptr[1]); + // adjust for dc + v_round = vsetq_lane_s16(round_ptr[0], v_round, 0); + v_quant = vsetq_lane_s16(quant_ptr[0], v_quant, 0); + v_dequant = vsetq_lane_s16(dequant_ptr[0], v_dequant, 0); + // process dc and the first seven ac coeffs + { + const int16x8_t v_iscan = vld1q_s16(&iscan[0]); + const int16x8_t v_coeff = vld1q_s16(&coeff_ptr[0]); + const int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15); + const int16x8_t v_tmp = vabaq_s16(v_round, v_coeff, v_zero); + const int32x4_t v_tmp_lo = vmull_s16(vget_low_s16(v_tmp), + vget_low_s16(v_quant)); + const int32x4_t v_tmp_hi = vmull_s16(vget_high_s16(v_tmp), + vget_high_s16(v_quant)); + const int16x8_t v_tmp2 = vcombine_s16(vshrn_n_s32(v_tmp_lo, 16), + vshrn_n_s32(v_tmp_hi, 16)); + const uint16x8_t v_nz_mask = vceqq_s16(v_tmp2, v_zero); + const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, v_one); + const int16x8_t v_nz_iscan = vbslq_s16(v_nz_mask, v_zero, v_iscan_plus1); + const int16x8_t v_qcoeff_a = veorq_s16(v_tmp2, v_coeff_sign); + const int16x8_t v_qcoeff = vsubq_s16(v_qcoeff_a, v_coeff_sign); + const int16x8_t v_dqcoeff = vmulq_s16(v_qcoeff, v_dequant); + v_eobmax_76543210 = vmaxq_s16(v_eobmax_76543210, v_nz_iscan); + vst1q_s16(&qcoeff_ptr[0], v_qcoeff); + vst1q_s16(&dqcoeff_ptr[0], v_dqcoeff); + v_round = vmovq_n_s16(round_ptr[1]); + v_quant = vmovq_n_s16(quant_ptr[1]); + v_dequant = vmovq_n_s16(dequant_ptr[1]); + } + // now process the rest of the ac coeffs + for (i = 8; i < count; i += 8) { + const int16x8_t v_iscan = vld1q_s16(&iscan[i]); + const int16x8_t v_coeff = vld1q_s16(&coeff_ptr[i]); + const int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15); + const int16x8_t v_tmp = vabaq_s16(v_round, v_coeff, v_zero); + const int32x4_t v_tmp_lo = vmull_s16(vget_low_s16(v_tmp), + vget_low_s16(v_quant)); + const int32x4_t v_tmp_hi = vmull_s16(vget_high_s16(v_tmp), + vget_high_s16(v_quant)); + const int16x8_t v_tmp2 = vcombine_s16(vshrn_n_s32(v_tmp_lo, 16), + vshrn_n_s32(v_tmp_hi, 16)); + const uint16x8_t v_nz_mask = vceqq_s16(v_tmp2, v_zero); + const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, v_one); + const int16x8_t v_nz_iscan = vbslq_s16(v_nz_mask, v_zero, v_iscan_plus1); + const int16x8_t v_qcoeff_a = veorq_s16(v_tmp2, v_coeff_sign); + const int16x8_t v_qcoeff = vsubq_s16(v_qcoeff_a, v_coeff_sign); + const int16x8_t v_dqcoeff = vmulq_s16(v_qcoeff, v_dequant); + v_eobmax_76543210 = vmaxq_s16(v_eobmax_76543210, v_nz_iscan); + vst1q_s16(&qcoeff_ptr[i], v_qcoeff); + vst1q_s16(&dqcoeff_ptr[i], v_dqcoeff); + } + { + const int16x4_t v_eobmax_3210 = + vmax_s16(vget_low_s16(v_eobmax_76543210), + vget_high_s16(v_eobmax_76543210)); + const int64x1_t v_eobmax_xx32 = + vshr_n_s64(vreinterpret_s64_s16(v_eobmax_3210), 32); + const int16x4_t v_eobmax_tmp = + vmax_s16(v_eobmax_3210, vreinterpret_s16_s64(v_eobmax_xx32)); + const int64x1_t v_eobmax_xxx3 = + vshr_n_s64(vreinterpret_s64_s16(v_eobmax_tmp), 16); + const int16x4_t v_eobmax_final = + vmax_s16(v_eobmax_tmp, vreinterpret_s16_s64(v_eobmax_xxx3)); + + *eob_ptr = (uint16_t)vget_lane_s16(v_eobmax_final, 0); + } + } else { + memset(qcoeff_ptr, 0, count * sizeof(int16_t)); + memset(dqcoeff_ptr, 0, count * sizeof(int16_t)); + *eob_ptr = 0; + } +} diff --git a/media/libvpx/vp9/encoder/arm/neon/vp9_subtract_neon.c b/media/libvpx/vp9/encoder/arm/neon/vp9_subtract_neon.c new file mode 100644 index 000000000..b4bf567db --- /dev/null +++ b/media/libvpx/vp9/encoder/arm/neon/vp9_subtract_neon.c @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2014 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <arm_neon.h> +#include "./vp9_rtcd.h" +#include "./vpx_config.h" + +#include "vpx/vpx_integer.h" + +void vp9_subtract_block_neon(int rows, int cols, + int16_t *diff, ptrdiff_t diff_stride, + const uint8_t *src, ptrdiff_t src_stride, + const uint8_t *pred, ptrdiff_t pred_stride) { + int r, c; + + if (cols > 16) { + for (r = 0; r < rows; ++r) { + for (c = 0; c < cols; c += 32) { + const uint8x16_t v_src_00 = vld1q_u8(&src[c + 0]); + const uint8x16_t v_src_16 = vld1q_u8(&src[c + 16]); + const uint8x16_t v_pred_00 = vld1q_u8(&pred[c + 0]); + const uint8x16_t v_pred_16 = vld1q_u8(&pred[c + 16]); + const uint16x8_t v_diff_lo_00 = vsubl_u8(vget_low_u8(v_src_00), + vget_low_u8(v_pred_00)); + const uint16x8_t v_diff_hi_00 = vsubl_u8(vget_high_u8(v_src_00), + vget_high_u8(v_pred_00)); + const uint16x8_t v_diff_lo_16 = vsubl_u8(vget_low_u8(v_src_16), + vget_low_u8(v_pred_16)); + const uint16x8_t v_diff_hi_16 = vsubl_u8(vget_high_u8(v_src_16), + vget_high_u8(v_pred_16)); + vst1q_s16(&diff[c + 0], vreinterpretq_s16_u16(v_diff_lo_00)); + vst1q_s16(&diff[c + 8], vreinterpretq_s16_u16(v_diff_hi_00)); + vst1q_s16(&diff[c + 16], vreinterpretq_s16_u16(v_diff_lo_16)); + vst1q_s16(&diff[c + 24], vreinterpretq_s16_u16(v_diff_hi_16)); + } + diff += diff_stride; + pred += pred_stride; + src += src_stride; + } + } else if (cols > 8) { + for (r = 0; r < rows; ++r) { + const uint8x16_t v_src = vld1q_u8(&src[0]); + const uint8x16_t v_pred = vld1q_u8(&pred[0]); + const uint16x8_t v_diff_lo = vsubl_u8(vget_low_u8(v_src), + vget_low_u8(v_pred)); + const uint16x8_t v_diff_hi = vsubl_u8(vget_high_u8(v_src), + vget_high_u8(v_pred)); + vst1q_s16(&diff[0], vreinterpretq_s16_u16(v_diff_lo)); + vst1q_s16(&diff[8], vreinterpretq_s16_u16(v_diff_hi)); + diff += diff_stride; + pred += pred_stride; + src += src_stride; + } + } else if (cols > 4) { + for (r = 0; r < rows; ++r) { + const uint8x8_t v_src = vld1_u8(&src[0]); + const uint8x8_t v_pred = vld1_u8(&pred[0]); + const uint16x8_t v_diff = vsubl_u8(v_src, v_pred); + vst1q_s16(&diff[0], vreinterpretq_s16_u16(v_diff)); + diff += diff_stride; + pred += pred_stride; + src += src_stride; + } + } else { + for (r = 0; r < rows; ++r) { + for (c = 0; c < cols; ++c) + diff[c] = src[c] - pred[c]; + + diff += diff_stride; + pred += pred_stride; + src += src_stride; + } + } +} diff --git a/media/libvpx/vp9/encoder/arm/neon/vp9_variance_neon.c b/media/libvpx/vp9/encoder/arm/neon/vp9_variance_neon.c new file mode 100644 index 000000000..0ac194e92 --- /dev/null +++ b/media/libvpx/vp9/encoder/arm/neon/vp9_variance_neon.c @@ -0,0 +1,153 @@ +/* + * Copyright (c) 2014 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <arm_neon.h> +#include "./vp9_rtcd.h" +#include "./vpx_dsp_rtcd.h" +#include "./vpx_config.h" + +#include "vpx_ports/mem.h" +#include "vpx/vpx_integer.h" + +#include "vp9/common/vp9_filter.h" + +static uint8_t bilinear_filters[8][2] = { + { 128, 0, }, + { 112, 16, }, + { 96, 32, }, + { 80, 48, }, + { 64, 64, }, + { 48, 80, }, + { 32, 96, }, + { 16, 112, }, +}; + +static void var_filter_block2d_bil_w8(const uint8_t *src_ptr, + uint8_t *output_ptr, + unsigned int src_pixels_per_line, + int pixel_step, + unsigned int output_height, + unsigned int output_width, + const uint8_t *vp9_filter) { + const uint8x8_t f0 = vmov_n_u8(vp9_filter[0]); + const uint8x8_t f1 = vmov_n_u8(vp9_filter[1]); + unsigned int i; + for (i = 0; i < output_height; ++i) { + const uint8x8_t src_0 = vld1_u8(&src_ptr[0]); + const uint8x8_t src_1 = vld1_u8(&src_ptr[pixel_step]); + const uint16x8_t a = vmull_u8(src_0, f0); + const uint16x8_t b = vmlal_u8(a, src_1, f1); + const uint8x8_t out = vrshrn_n_u16(b, FILTER_BITS); + vst1_u8(&output_ptr[0], out); + // Next row... + src_ptr += src_pixels_per_line; + output_ptr += output_width; + } +} + +static void var_filter_block2d_bil_w16(const uint8_t *src_ptr, + uint8_t *output_ptr, + unsigned int src_pixels_per_line, + int pixel_step, + unsigned int output_height, + unsigned int output_width, + const uint8_t *vp9_filter) { + const uint8x8_t f0 = vmov_n_u8(vp9_filter[0]); + const uint8x8_t f1 = vmov_n_u8(vp9_filter[1]); + unsigned int i, j; + for (i = 0; i < output_height; ++i) { + for (j = 0; j < output_width; j += 16) { + const uint8x16_t src_0 = vld1q_u8(&src_ptr[j]); + const uint8x16_t src_1 = vld1q_u8(&src_ptr[j + pixel_step]); + const uint16x8_t a = vmull_u8(vget_low_u8(src_0), f0); + const uint16x8_t b = vmlal_u8(a, vget_low_u8(src_1), f1); + const uint8x8_t out_lo = vrshrn_n_u16(b, FILTER_BITS); + const uint16x8_t c = vmull_u8(vget_high_u8(src_0), f0); + const uint16x8_t d = vmlal_u8(c, vget_high_u8(src_1), f1); + const uint8x8_t out_hi = vrshrn_n_u16(d, FILTER_BITS); + vst1q_u8(&output_ptr[j], vcombine_u8(out_lo, out_hi)); + } + // Next row... + src_ptr += src_pixels_per_line; + output_ptr += output_width; + } +} + +unsigned int vp9_sub_pixel_variance8x8_neon(const uint8_t *src, + int src_stride, + int xoffset, + int yoffset, + const uint8_t *dst, + int dst_stride, + unsigned int *sse) { + DECLARE_ALIGNED(16, uint8_t, temp2[8 * 8]); + DECLARE_ALIGNED(16, uint8_t, fdata3[9 * 8]); + + var_filter_block2d_bil_w8(src, fdata3, src_stride, 1, + 9, 8, + bilinear_filters[xoffset]); + var_filter_block2d_bil_w8(fdata3, temp2, 8, 8, 8, + 8, bilinear_filters[yoffset]); + return vpx_variance8x8_neon(temp2, 8, dst, dst_stride, sse); +} + +unsigned int vp9_sub_pixel_variance16x16_neon(const uint8_t *src, + int src_stride, + int xoffset, + int yoffset, + const uint8_t *dst, + int dst_stride, + unsigned int *sse) { + DECLARE_ALIGNED(16, uint8_t, temp2[16 * 16]); + DECLARE_ALIGNED(16, uint8_t, fdata3[17 * 16]); + + var_filter_block2d_bil_w16(src, fdata3, src_stride, 1, + 17, 16, + bilinear_filters[xoffset]); + var_filter_block2d_bil_w16(fdata3, temp2, 16, 16, 16, + 16, bilinear_filters[yoffset]); + return vpx_variance16x16_neon(temp2, 16, dst, dst_stride, sse); +} + +unsigned int vp9_sub_pixel_variance32x32_neon(const uint8_t *src, + int src_stride, + int xoffset, + int yoffset, + const uint8_t *dst, + int dst_stride, + unsigned int *sse) { + DECLARE_ALIGNED(16, uint8_t, temp2[32 * 32]); + DECLARE_ALIGNED(16, uint8_t, fdata3[33 * 32]); + + var_filter_block2d_bil_w16(src, fdata3, src_stride, 1, + 33, 32, + bilinear_filters[xoffset]); + var_filter_block2d_bil_w16(fdata3, temp2, 32, 32, 32, + 32, bilinear_filters[yoffset]); + return vpx_variance32x32_neon(temp2, 32, dst, dst_stride, sse); +} + +unsigned int vp9_sub_pixel_variance64x64_neon(const uint8_t *src, + int src_stride, + int xoffset, + int yoffset, + const uint8_t *dst, + int dst_stride, + unsigned int *sse) { + DECLARE_ALIGNED(16, uint8_t, temp2[64 * 64]); + DECLARE_ALIGNED(16, uint8_t, fdata3[65 * 64]); + + var_filter_block2d_bil_w16(src, fdata3, src_stride, 1, + 65, 64, + bilinear_filters[xoffset]); + var_filter_block2d_bil_w16(fdata3, temp2, 64, 64, 64, + 64, bilinear_filters[yoffset]); + return vpx_variance64x64_neon(temp2, 64, dst, dst_stride, sse); +} diff --git a/media/libvpx/vp9/encoder/arm/neon/vp9enc_avg_neon.c b/media/libvpx/vp9/encoder/arm/neon/vp9enc_avg_neon.c new file mode 100644 index 000000000..f505fcb7a --- /dev/null +++ b/media/libvpx/vp9/encoder/arm/neon/vp9enc_avg_neon.c @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2015 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <arm_neon.h> +#include "./vp9_rtcd.h" +#include "./vpx_config.h" + +#include "vpx/vpx_integer.h" + +static INLINE unsigned int horizontal_add_u16x8(const uint16x8_t v_16x8) { + const uint32x4_t a = vpaddlq_u16(v_16x8); + const uint64x2_t b = vpaddlq_u32(a); + const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)), + vreinterpret_u32_u64(vget_high_u64(b))); + return vget_lane_u32(c, 0); +} + +unsigned int vp9_avg_8x8_neon(const uint8_t *s, int p) { + uint8x8_t v_s0 = vld1_u8(s); + const uint8x8_t v_s1 = vld1_u8(s + p); + uint16x8_t v_sum = vaddl_u8(v_s0, v_s1); + + v_s0 = vld1_u8(s + 2 * p); + v_sum = vaddw_u8(v_sum, v_s0); + + v_s0 = vld1_u8(s + 3 * p); + v_sum = vaddw_u8(v_sum, v_s0); + + v_s0 = vld1_u8(s + 4 * p); + v_sum = vaddw_u8(v_sum, v_s0); + + v_s0 = vld1_u8(s + 5 * p); + v_sum = vaddw_u8(v_sum, v_s0); + + v_s0 = vld1_u8(s + 6 * p); + v_sum = vaddw_u8(v_sum, v_s0); + + v_s0 = vld1_u8(s + 7 * p); + v_sum = vaddw_u8(v_sum, v_s0); + + return (horizontal_add_u16x8(v_sum) + 32) >> 6; +} |