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-rw-r--r--media/libvpx/vp9/encoder/arm/neon/vp9_dct_neon.c241
-rw-r--r--media/libvpx/vp9/encoder/arm/neon/vp9_quantize_neon.c118
-rw-r--r--media/libvpx/vp9/encoder/arm/neon/vp9_subtract_neon.c81
-rw-r--r--media/libvpx/vp9/encoder/arm/neon/vp9_variance_neon.c153
-rw-r--r--media/libvpx/vp9/encoder/arm/neon/vp9enc_avg_neon.c49
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;
+}