shithub: libvpx

Download patch

ref: 36363304903286369a63b0498d506a13fe335606
parent: 0fe4371cc0871b713acf09fea671347ed2d4f98c
author: Linfeng Zhang <[email protected]>
date: Tue Jan 30 11:01:41 EST 2018

Add vp9_highbd_iht4x4_16_add_neon()

BUG=webm:1403

Change-Id: Id9833e985fb70958cf4bde38f8e6303ed83c12f9

--- a/test/dct_test.cc
+++ b/test/dct_test.cc
@@ -753,26 +753,66 @@
 #if !CONFIG_EMULATE_HARDWARE
 
 #if HAVE_NEON
-INSTANTIATE_TEST_CASE_P(
-    NEON, TransHT,
-    ::testing::Values(
-        make_tuple(&vp9_fht8x8_c, &iht_wrapper<vp9_iht8x8_64_add_neon>, 8, 0,
-                   VPX_BITS_8, 1),
-        make_tuple(&vp9_fht8x8_c, &iht_wrapper<vp9_iht8x8_64_add_neon>, 8, 1,
-                   VPX_BITS_8, 1),
-        make_tuple(&vp9_fht8x8_c, &iht_wrapper<vp9_iht8x8_64_add_neon>, 8, 2,
-                   VPX_BITS_8, 1),
-        make_tuple(&vp9_fht8x8_c, &iht_wrapper<vp9_iht8x8_64_add_neon>, 8, 3,
-                   VPX_BITS_8, 1),
 
-        make_tuple(&vp9_fht4x4_c, &iht_wrapper<vp9_iht4x4_16_add_neon>, 4, 0,
-                   VPX_BITS_8, 1),
-        make_tuple(&vp9_fht4x4_c, &iht_wrapper<vp9_iht4x4_16_add_neon>, 4, 1,
-                   VPX_BITS_8, 1),
-        make_tuple(&vp9_fht4x4_c, &iht_wrapper<vp9_iht4x4_16_add_neon>, 4, 2,
-                   VPX_BITS_8, 1),
-        make_tuple(&vp9_fht4x4_c, &iht_wrapper<vp9_iht4x4_16_add_neon>, 4, 3,
-                   VPX_BITS_8, 1)));
+const DctParam neon_ht_tests[] = {
+#if CONFIG_VP9_HIGHBITDEPTH
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 0,
+             VPX_BITS_8, 2),
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 1,
+             VPX_BITS_8, 2),
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 2,
+             VPX_BITS_8, 2),
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 3,
+             VPX_BITS_8, 2),
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 0,
+             VPX_BITS_10, 2),
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 1,
+             VPX_BITS_10, 2),
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 2,
+             VPX_BITS_10, 2),
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 3,
+             VPX_BITS_10, 2),
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 0,
+             VPX_BITS_12, 2),
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 1,
+             VPX_BITS_12, 2),
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 2,
+             VPX_BITS_12, 2),
+  make_tuple(&vp9_highbd_fht4x4_c,
+             &highbd_iht_wrapper<vp9_highbd_iht4x4_16_add_neon>, 4, 3,
+             VPX_BITS_12, 2),
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+  make_tuple(&vp9_fht8x8_c, &iht_wrapper<vp9_iht8x8_64_add_neon>, 8, 0,
+             VPX_BITS_8, 1),
+  make_tuple(&vp9_fht8x8_c, &iht_wrapper<vp9_iht8x8_64_add_neon>, 8, 1,
+             VPX_BITS_8, 1),
+  make_tuple(&vp9_fht8x8_c, &iht_wrapper<vp9_iht8x8_64_add_neon>, 8, 2,
+             VPX_BITS_8, 1),
+  make_tuple(&vp9_fht8x8_c, &iht_wrapper<vp9_iht8x8_64_add_neon>, 8, 3,
+             VPX_BITS_8, 1),
+
+  make_tuple(&vp9_fht4x4_c, &iht_wrapper<vp9_iht4x4_16_add_neon>, 4, 0,
+             VPX_BITS_8, 1),
+  make_tuple(&vp9_fht4x4_c, &iht_wrapper<vp9_iht4x4_16_add_neon>, 4, 1,
+             VPX_BITS_8, 1),
+  make_tuple(&vp9_fht4x4_c, &iht_wrapper<vp9_iht4x4_16_add_neon>, 4, 2,
+             VPX_BITS_8, 1),
+  make_tuple(&vp9_fht4x4_c, &iht_wrapper<vp9_iht4x4_16_add_neon>, 4, 3,
+             VPX_BITS_8, 1)
+};
+
+INSTANTIATE_TEST_CASE_P(NEON, TransHT, ::testing::ValuesIn(neon_ht_tests));
 #endif  // HAVE_NEON
 
 #if HAVE_SSE2
--- /dev/null
+++ b/vp9/common/arm/neon/vp9_highbd_iht4x4_add_neon.c
@@ -1,0 +1,162 @@
+/*
+ *  Copyright (c) 2018 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 <assert.h>
+
+#include "./vp9_rtcd.h"
+#include "./vpx_config.h"
+#include "vp9/common/vp9_common.h"
+#include "vp9/common/arm/neon/vp9_iht_neon.h"
+#include "vpx_dsp/arm/highbd_idct_neon.h"
+#include "vpx_dsp/arm/idct_neon.h"
+#include "vpx_dsp/arm/mem_neon.h"
+#include "vpx_dsp/txfm_common.h"
+
+static INLINE void highbd_iadst4(int32x4_t *const io) {
+  const int32_t sinpis[4] = { sinpi_1_9, sinpi_2_9, sinpi_3_9, sinpi_4_9 };
+  const int32x4_t sinpi = vld1q_s32(sinpis);
+  int32x4_t s[8];
+
+  s[0] = vmulq_lane_s32(io[0], vget_low_s32(sinpi), 0);
+  s[1] = vmulq_lane_s32(io[0], vget_low_s32(sinpi), 1);
+  s[2] = vmulq_lane_s32(io[1], vget_high_s32(sinpi), 0);
+  s[3] = vmulq_lane_s32(io[2], vget_high_s32(sinpi), 1);
+  s[4] = vmulq_lane_s32(io[2], vget_low_s32(sinpi), 0);
+  s[5] = vmulq_lane_s32(io[3], vget_low_s32(sinpi), 1);
+  s[6] = vmulq_lane_s32(io[3], vget_high_s32(sinpi), 1);
+  s[7] = vsubq_s32(io[0], io[2]);
+  s[7] = vaddq_s32(s[7], io[3]);
+
+  s[0] = vaddq_s32(s[0], s[3]);
+  s[0] = vaddq_s32(s[0], s[5]);
+  s[1] = vsubq_s32(s[1], s[4]);
+  s[1] = vsubq_s32(s[1], s[6]);
+  s[3] = s[2];
+  s[2] = vmulq_lane_s32(s[7], vget_high_s32(sinpi), 0);
+
+  io[0] = vaddq_s32(s[0], s[3]);
+  io[1] = vaddq_s32(s[1], s[3]);
+  io[2] = s[2];
+  io[3] = vaddq_s32(s[0], s[1]);
+  io[3] = vsubq_s32(io[3], s[3]);
+  io[0] = vrshrq_n_s32(io[0], DCT_CONST_BITS);
+  io[1] = vrshrq_n_s32(io[1], DCT_CONST_BITS);
+  io[2] = vrshrq_n_s32(io[2], DCT_CONST_BITS);
+  io[3] = vrshrq_n_s32(io[3], DCT_CONST_BITS);
+}
+
+void vp9_highbd_iht4x4_16_add_neon(const tran_low_t *input, uint16_t *dest,
+                                   int stride, int tx_type, int bd) {
+  const int16x8_t max = vdupq_n_s16((1 << bd) - 1);
+  int16x8_t a[2];
+  int32x4_t c[4];
+
+  c[0] = vld1q_s32(input);
+  c[1] = vld1q_s32(input + 4);
+  c[2] = vld1q_s32(input + 8);
+  c[3] = vld1q_s32(input + 12);
+
+  if (bd == 8) {
+    a[0] = vcombine_s16(vmovn_s32(c[0]), vmovn_s32(c[1]));
+    a[1] = vcombine_s16(vmovn_s32(c[2]), vmovn_s32(c[3]));
+    transpose_s16_4x4q(&a[0], &a[1]);
+
+    switch (tx_type) {
+      case DCT_DCT:
+        idct4x4_16_kernel_bd8(a);
+        a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1]));
+        transpose_s16_4x4q(&a[0], &a[1]);
+        idct4x4_16_kernel_bd8(a);
+        a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1]));
+        break;
+
+      case ADST_DCT:
+        idct4x4_16_kernel_bd8(a);
+        a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1]));
+        transpose_s16_4x4q(&a[0], &a[1]);
+        iadst4(a);
+        break;
+
+      case DCT_ADST:
+        iadst4(a);
+        transpose_s16_4x4q(&a[0], &a[1]);
+        idct4x4_16_kernel_bd8(a);
+        a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1]));
+        break;
+
+      default:
+        assert(tx_type == ADST_ADST);
+        iadst4(a);
+        transpose_s16_4x4q(&a[0], &a[1]);
+        iadst4(a);
+        break;
+    }
+    a[0] = vrshrq_n_s16(a[0], 4);
+    a[1] = vrshrq_n_s16(a[1], 4);
+  } else {
+    switch (tx_type) {
+      case DCT_DCT: {
+        const int32x4_t cospis = vld1q_s32(kCospi32);
+
+        if (bd == 10) {
+          idct4x4_16_kernel_bd10(cospis, c);
+          idct4x4_16_kernel_bd10(cospis, c);
+        } else {
+          idct4x4_16_kernel_bd12(cospis, c);
+          idct4x4_16_kernel_bd12(cospis, c);
+        }
+        break;
+      }
+
+      case ADST_DCT: {
+        const int32x4_t cospis = vld1q_s32(kCospi32);
+
+        if (bd == 10) {
+          idct4x4_16_kernel_bd10(cospis, c);
+        } else {
+          idct4x4_16_kernel_bd12(cospis, c);
+        }
+        transpose_s32_4x4(&c[0], &c[1], &c[2], &c[3]);
+        highbd_iadst4(c);
+        break;
+      }
+
+      case DCT_ADST: {
+        const int32x4_t cospis = vld1q_s32(kCospi32);
+
+        if (bd == 10) {
+          transpose_s32_4x4(&c[0], &c[1], &c[2], &c[3]);
+          highbd_iadst4(c);
+          idct4x4_16_kernel_bd10(cospis, c);
+        } else {
+          transpose_s32_4x4(&c[0], &c[1], &c[2], &c[3]);
+          highbd_iadst4(c);
+          idct4x4_16_kernel_bd12(cospis, c);
+        }
+        break;
+      }
+
+      default: {
+        assert(tx_type == ADST_ADST);
+        transpose_s32_4x4(&c[0], &c[1], &c[2], &c[3]);
+        highbd_iadst4(c);
+        transpose_s32_4x4(&c[0], &c[1], &c[2], &c[3]);
+        highbd_iadst4(c);
+        break;
+      }
+    }
+    a[0] = vcombine_s16(vqrshrn_n_s32(c[0], 4), vqrshrn_n_s32(c[1], 4));
+    a[1] = vcombine_s16(vqrshrn_n_s32(c[2], 4), vqrshrn_n_s32(c[3], 4));
+  }
+
+  highbd_idct4x4_1_add_kernel1(&dest, stride, a[0], max);
+  highbd_idct4x4_1_add_kernel1(&dest, stride, a[1], max);
+}
--- a/vp9/common/arm/neon/vp9_iht4x4_add_neon.c
+++ b/vp9/common/arm/neon/vp9_iht4x4_add_neon.c
@@ -14,50 +14,11 @@
 #include "./vp9_rtcd.h"
 #include "./vpx_config.h"
 #include "vp9/common/vp9_common.h"
+#include "vp9/common/arm/neon/vp9_iht_neon.h"
 #include "vpx_dsp/arm/idct_neon.h"
 #include "vpx_dsp/arm/mem_neon.h"
 #include "vpx_dsp/txfm_common.h"
 
-static INLINE void iadst4(int16x8_t *const io) {
-  const int32x4_t c3 = vdupq_n_s32(sinpi_3_9);
-  int16x4_t c[5], x[4];
-  int32x4_t s[8], output[4];
-
-  c[1] = vdup_n_s16(sinpi_1_9);
-  c[2] = vdup_n_s16(sinpi_2_9);
-  c[3] = vdup_n_s16(sinpi_3_9);
-  c[4] = vdup_n_s16(sinpi_4_9);
-
-  x[0] = vget_low_s16(io[0]);
-  x[1] = vget_low_s16(io[1]);
-  x[2] = vget_high_s16(io[0]);
-  x[3] = vget_high_s16(io[1]);
-
-  s[0] = vmull_s16(c[1], x[0]);
-  s[1] = vmull_s16(c[2], x[0]);
-  s[2] = vmull_s16(c[3], x[1]);
-  s[3] = vmull_s16(c[4], x[2]);
-  s[4] = vmull_s16(c[1], x[2]);
-  s[5] = vmull_s16(c[2], x[3]);
-  s[6] = vmull_s16(c[4], x[3]);
-  s[7] = vaddl_s16(x[0], x[3]);
-  s[7] = vsubw_s16(s[7], x[2]);
-
-  s[0] = vaddq_s32(s[0], s[3]);
-  s[0] = vaddq_s32(s[0], s[5]);
-  s[1] = vsubq_s32(s[1], s[4]);
-  s[1] = vsubq_s32(s[1], s[6]);
-  s[3] = s[2];
-  s[2] = vmulq_s32(c3, s[7]);
-
-  output[0] = vaddq_s32(s[0], s[3]);
-  output[1] = vaddq_s32(s[1], s[3]);
-  output[2] = s[2];
-  output[3] = vaddq_s32(s[0], s[1]);
-  output[3] = vsubq_s32(output[3], s[3]);
-  dct_const_round_shift_low_8_dual(output, &io[0], &io[1]);
-}
-
 void vp9_iht4x4_16_add_neon(const tran_low_t *input, uint8_t *dest, int stride,
                             int tx_type) {
   int16x8_t a[2];
@@ -72,7 +33,7 @@
   transpose_s16_4x4q(&a[0], &a[1]);
 
   switch (tx_type) {
-    case 0:  // DCT_DCT
+    case DCT_DCT:
       idct4x4_16_kernel_bd8(a);
       a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1]));
       transpose_s16_4x4q(&a[0], &a[1]);
@@ -80,7 +41,7 @@
       a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1]));
       break;
 
-    case 1:  // ADST_DCT
+    case ADST_DCT:
       idct4x4_16_kernel_bd8(a);
       a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1]));
       transpose_s16_4x4q(&a[0], &a[1]);
@@ -87,7 +48,7 @@
       iadst4(a);
       break;
 
-    case 2:  // DCT_ADST
+    case DCT_ADST:
       iadst4(a);
       transpose_s16_4x4q(&a[0], &a[1]);
       idct4x4_16_kernel_bd8(a);
@@ -94,13 +55,12 @@
       a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1]));
       break;
 
-    case 3:  // ADST_ADST
+    default:
+      assert(tx_type == ADST_ADST);
       iadst4(a);
       transpose_s16_4x4q(&a[0], &a[1]);
       iadst4(a);
       break;
-
-    default: assert(0); break;
   }
 
   a[0] = vrshrq_n_s16(a[0], 4);
--- /dev/null
+++ b/vp9/common/arm/neon/vp9_iht_neon.h
@@ -1,0 +1,63 @@
+/*
+ *  Copyright (c) 2018 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.
+ */
+
+#ifndef VP9_COMMON_ARM_NEON_VP9_IHT_NEON_H_
+#define VP9_COMMON_ARM_NEON_VP9_IHT_NEON_H_
+
+#include <arm_neon.h>
+
+#include "./vp9_rtcd.h"
+#include "./vpx_config.h"
+#include "vp9/common/vp9_common.h"
+#include "vpx_dsp/arm/idct_neon.h"
+#include "vpx_dsp/arm/mem_neon.h"
+#include "vpx_dsp/txfm_common.h"
+
+static INLINE void iadst4(int16x8_t *const io) {
+  const int32x4_t c3 = vdupq_n_s32(sinpi_3_9);
+  int16x4_t c[5], x[4];
+  int32x4_t s[8], output[4];
+
+  c[1] = vdup_n_s16(sinpi_1_9);
+  c[2] = vdup_n_s16(sinpi_2_9);
+  c[3] = vdup_n_s16(sinpi_3_9);
+  c[4] = vdup_n_s16(sinpi_4_9);
+
+  x[0] = vget_low_s16(io[0]);
+  x[1] = vget_low_s16(io[1]);
+  x[2] = vget_high_s16(io[0]);
+  x[3] = vget_high_s16(io[1]);
+
+  s[0] = vmull_s16(c[1], x[0]);
+  s[1] = vmull_s16(c[2], x[0]);
+  s[2] = vmull_s16(c[3], x[1]);
+  s[3] = vmull_s16(c[4], x[2]);
+  s[4] = vmull_s16(c[1], x[2]);
+  s[5] = vmull_s16(c[2], x[3]);
+  s[6] = vmull_s16(c[4], x[3]);
+  s[7] = vaddl_s16(x[0], x[3]);
+  s[7] = vsubw_s16(s[7], x[2]);
+
+  s[0] = vaddq_s32(s[0], s[3]);
+  s[0] = vaddq_s32(s[0], s[5]);
+  s[1] = vsubq_s32(s[1], s[4]);
+  s[1] = vsubq_s32(s[1], s[6]);
+  s[3] = s[2];
+  s[2] = vmulq_s32(c3, s[7]);
+
+  output[0] = vaddq_s32(s[0], s[3]);
+  output[1] = vaddq_s32(s[1], s[3]);
+  output[2] = s[2];
+  output[3] = vaddq_s32(s[0], s[1]);
+  output[3] = vsubq_s32(output[3], s[3]);
+  dct_const_round_shift_low_8_dual(output, &io[0], &io[1]);
+}
+
+#endif  // VP9_COMMON_ARM_NEON_VP9_IHT_NEON_H_
--- a/vp9/common/vp9_rtcd_defs.pl
+++ b/vp9/common/vp9_rtcd_defs.pl
@@ -103,7 +103,7 @@
   add_proto qw/void vp9_highbd_iht16x16_256_add/, "const tran_low_t *input, uint16_t *output, int pitch, int tx_type, int bd";
 
   if (vpx_config("CONFIG_EMULATE_HARDWARE") ne "yes") {
-    specialize qw/vp9_highbd_iht4x4_16_add sse4_1/;
+    specialize qw/vp9_highbd_iht4x4_16_add neon sse4_1/;
     specialize qw/vp9_highbd_iht8x8_64_add sse4_1/;
     specialize qw/vp9_highbd_iht16x16_256_add sse4_1/;
   }
--- a/vp9/common/x86/vp9_idct_intrin_sse2.c
+++ b/vp9/common/x86/vp9_idct_intrin_sse2.c
@@ -10,8 +10,6 @@
 
 #include "./vp9_rtcd.h"
 #include "vpx_dsp/x86/inv_txfm_sse2.h"
-#include "vpx_dsp/x86/txfm_common_sse2.h"
-#include "vpx_ports/mem.h"
 
 void vp9_iht4x4_16_add_sse2(const tran_low_t *input, uint8_t *dest, int stride,
                             int tx_type) {
--- a/vp9/vp9_common.mk
+++ b/vp9/vp9_common.mk
@@ -70,6 +70,7 @@
 VP9_COMMON_SRCS-$(HAVE_SSE2)  += common/x86/vp9_idct_intrin_sse2.c
 VP9_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/vp9_iht4x4_add_neon.c
 VP9_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/vp9_iht8x8_add_neon.c
+VP9_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/vp9_iht_neon.h
 
 ifeq ($(CONFIG_VP9_POSTPROC),yes)
 VP9_COMMON_SRCS-$(HAVE_MSA)  += common/mips/msa/vp9_mfqe_msa.c
@@ -81,6 +82,7 @@
 VP9_COMMON_SRCS-$(HAVE_DSPR2) += common/mips/dspr2/vp9_itrans8_dspr2.c
 VP9_COMMON_SRCS-$(HAVE_DSPR2) += common/mips/dspr2/vp9_itrans16_dspr2.c
 else
+VP9_COMMON_SRCS-$(HAVE_NEON)   += common/arm/neon/vp9_highbd_iht4x4_add_neon.c
 VP9_COMMON_SRCS-$(HAVE_SSE4_1) += common/x86/vp9_highbd_iht4x4_add_sse4.c
 VP9_COMMON_SRCS-$(HAVE_SSE4_1) += common/x86/vp9_highbd_iht8x8_add_sse4.c
 VP9_COMMON_SRCS-$(HAVE_SSE4_1) += common/x86/vp9_highbd_iht16x16_add_sse4.c
--- a/vpx_dsp/arm/highbd_idct4x4_add_neon.c
+++ b/vpx_dsp/arm/highbd_idct4x4_add_neon.c
@@ -11,27 +11,10 @@
 #include <arm_neon.h>
 
 #include "./vpx_dsp_rtcd.h"
+#include "vpx_dsp/arm/highbd_idct_neon.h"
 #include "vpx_dsp/arm/idct_neon.h"
 #include "vpx_dsp/inv_txfm.h"
 
-static INLINE void highbd_idct4x4_1_add_kernel1(uint16_t **dest,
-                                                const int stride,
-                                                const int16x8_t res,
-                                                const int16x8_t max) {
-  const uint16x4_t a0 = vld1_u16(*dest);
-  const uint16x4_t a1 = vld1_u16(*dest + stride);
-  const int16x8_t a = vreinterpretq_s16_u16(vcombine_u16(a0, a1));
-  // Note: In some profile tests, res is quite close to +/-32767.
-  // We use saturating addition.
-  const int16x8_t b = vqaddq_s16(res, a);
-  const int16x8_t c = vminq_s16(b, max);
-  const uint16x8_t d = vqshluq_n_s16(c, 0);
-  vst1_u16(*dest, vget_low_u16(d));
-  *dest += stride;
-  vst1_u16(*dest, vget_high_u16(d));
-  *dest += stride;
-}
-
 // res is in reverse row order
 static INLINE void highbd_idct4x4_1_add_kernel2(uint16_t **dest,
                                                 const int stride,
@@ -63,67 +46,6 @@
 
   highbd_idct4x4_1_add_kernel1(&dest, stride, dc, max);
   highbd_idct4x4_1_add_kernel1(&dest, stride, dc, max);
-}
-
-static INLINE void idct4x4_16_kernel_bd10(const int32x4_t cospis,
-                                          int32x4_t *const a) {
-  int32x4_t b0, b1, b2, b3;
-
-  transpose_s32_4x4(&a[0], &a[1], &a[2], &a[3]);
-  b0 = vaddq_s32(a[0], a[2]);
-  b1 = vsubq_s32(a[0], a[2]);
-  b0 = vmulq_lane_s32(b0, vget_high_s32(cospis), 0);
-  b1 = vmulq_lane_s32(b1, vget_high_s32(cospis), 0);
-  b2 = vmulq_lane_s32(a[1], vget_high_s32(cospis), 1);
-  b3 = vmulq_lane_s32(a[1], vget_low_s32(cospis), 1);
-  b2 = vmlsq_lane_s32(b2, a[3], vget_low_s32(cospis), 1);
-  b3 = vmlaq_lane_s32(b3, a[3], vget_high_s32(cospis), 1);
-  b0 = vrshrq_n_s32(b0, DCT_CONST_BITS);
-  b1 = vrshrq_n_s32(b1, DCT_CONST_BITS);
-  b2 = vrshrq_n_s32(b2, DCT_CONST_BITS);
-  b3 = vrshrq_n_s32(b3, DCT_CONST_BITS);
-  a[0] = vaddq_s32(b0, b3);
-  a[1] = vaddq_s32(b1, b2);
-  a[2] = vsubq_s32(b1, b2);
-  a[3] = vsubq_s32(b0, b3);
-}
-
-static INLINE void idct4x4_16_kernel_bd12(const int32x4_t cospis,
-                                          int32x4_t *const a) {
-  int32x4_t b0, b1, b2, b3;
-  int64x2_t c[12];
-
-  transpose_s32_4x4(&a[0], &a[1], &a[2], &a[3]);
-  b0 = vaddq_s32(a[0], a[2]);
-  b1 = vsubq_s32(a[0], a[2]);
-  c[0] = vmull_lane_s32(vget_low_s32(b0), vget_high_s32(cospis), 0);
-  c[1] = vmull_lane_s32(vget_high_s32(b0), vget_high_s32(cospis), 0);
-  c[2] = vmull_lane_s32(vget_low_s32(b1), vget_high_s32(cospis), 0);
-  c[3] = vmull_lane_s32(vget_high_s32(b1), vget_high_s32(cospis), 0);
-  c[4] = vmull_lane_s32(vget_low_s32(a[1]), vget_high_s32(cospis), 1);
-  c[5] = vmull_lane_s32(vget_high_s32(a[1]), vget_high_s32(cospis), 1);
-  c[6] = vmull_lane_s32(vget_low_s32(a[1]), vget_low_s32(cospis), 1);
-  c[7] = vmull_lane_s32(vget_high_s32(a[1]), vget_low_s32(cospis), 1);
-  c[8] = vmull_lane_s32(vget_low_s32(a[3]), vget_low_s32(cospis), 1);
-  c[9] = vmull_lane_s32(vget_high_s32(a[3]), vget_low_s32(cospis), 1);
-  c[10] = vmull_lane_s32(vget_low_s32(a[3]), vget_high_s32(cospis), 1);
-  c[11] = vmull_lane_s32(vget_high_s32(a[3]), vget_high_s32(cospis), 1);
-  c[4] = vsubq_s64(c[4], c[8]);
-  c[5] = vsubq_s64(c[5], c[9]);
-  c[6] = vaddq_s64(c[6], c[10]);
-  c[7] = vaddq_s64(c[7], c[11]);
-  b0 = vcombine_s32(vrshrn_n_s64(c[0], DCT_CONST_BITS),
-                    vrshrn_n_s64(c[1], DCT_CONST_BITS));
-  b1 = vcombine_s32(vrshrn_n_s64(c[2], DCT_CONST_BITS),
-                    vrshrn_n_s64(c[3], DCT_CONST_BITS));
-  b2 = vcombine_s32(vrshrn_n_s64(c[4], DCT_CONST_BITS),
-                    vrshrn_n_s64(c[5], DCT_CONST_BITS));
-  b3 = vcombine_s32(vrshrn_n_s64(c[6], DCT_CONST_BITS),
-                    vrshrn_n_s64(c[7], DCT_CONST_BITS));
-  a[0] = vaddq_s32(b0, b3);
-  a[1] = vaddq_s32(b1, b2);
-  a[2] = vsubq_s32(b1, b2);
-  a[3] = vsubq_s32(b0, b3);
 }
 
 void vpx_highbd_idct4x4_16_add_neon(const tran_low_t *input, uint16_t *dest,
--- /dev/null
+++ b/vpx_dsp/arm/highbd_idct_neon.h
@@ -1,0 +1,99 @@
+/*
+ *  Copyright (c) 2018 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.
+ */
+
+#ifndef VPX_DSP_ARM_HIGHBD_IDCT_NEON_H_
+#define VPX_DSP_ARM_HIGHBD_IDCT_NEON_H_
+
+#include <arm_neon.h>
+
+#include "./vpx_dsp_rtcd.h"
+#include "vpx_dsp/arm/idct_neon.h"
+#include "vpx_dsp/inv_txfm.h"
+
+static INLINE void highbd_idct4x4_1_add_kernel1(uint16_t **dest,
+                                                const int stride,
+                                                const int16x8_t res,
+                                                const int16x8_t max) {
+  const uint16x4_t a0 = vld1_u16(*dest);
+  const uint16x4_t a1 = vld1_u16(*dest + stride);
+  const int16x8_t a = vreinterpretq_s16_u16(vcombine_u16(a0, a1));
+  // Note: In some profile tests, res is quite close to +/-32767.
+  // We use saturating addition.
+  const int16x8_t b = vqaddq_s16(res, a);
+  const int16x8_t c = vminq_s16(b, max);
+  const uint16x8_t d = vqshluq_n_s16(c, 0);
+  vst1_u16(*dest, vget_low_u16(d));
+  *dest += stride;
+  vst1_u16(*dest, vget_high_u16(d));
+  *dest += stride;
+}
+
+static INLINE void idct4x4_16_kernel_bd10(const int32x4_t cospis,
+                                          int32x4_t *const a) {
+  int32x4_t b0, b1, b2, b3;
+
+  transpose_s32_4x4(&a[0], &a[1], &a[2], &a[3]);
+  b0 = vaddq_s32(a[0], a[2]);
+  b1 = vsubq_s32(a[0], a[2]);
+  b0 = vmulq_lane_s32(b0, vget_high_s32(cospis), 0);
+  b1 = vmulq_lane_s32(b1, vget_high_s32(cospis), 0);
+  b2 = vmulq_lane_s32(a[1], vget_high_s32(cospis), 1);
+  b3 = vmulq_lane_s32(a[1], vget_low_s32(cospis), 1);
+  b2 = vmlsq_lane_s32(b2, a[3], vget_low_s32(cospis), 1);
+  b3 = vmlaq_lane_s32(b3, a[3], vget_high_s32(cospis), 1);
+  b0 = vrshrq_n_s32(b0, DCT_CONST_BITS);
+  b1 = vrshrq_n_s32(b1, DCT_CONST_BITS);
+  b2 = vrshrq_n_s32(b2, DCT_CONST_BITS);
+  b3 = vrshrq_n_s32(b3, DCT_CONST_BITS);
+  a[0] = vaddq_s32(b0, b3);
+  a[1] = vaddq_s32(b1, b2);
+  a[2] = vsubq_s32(b1, b2);
+  a[3] = vsubq_s32(b0, b3);
+}
+
+static INLINE void idct4x4_16_kernel_bd12(const int32x4_t cospis,
+                                          int32x4_t *const a) {
+  int32x4_t b0, b1, b2, b3;
+  int64x2_t c[12];
+
+  transpose_s32_4x4(&a[0], &a[1], &a[2], &a[3]);
+  b0 = vaddq_s32(a[0], a[2]);
+  b1 = vsubq_s32(a[0], a[2]);
+  c[0] = vmull_lane_s32(vget_low_s32(b0), vget_high_s32(cospis), 0);
+  c[1] = vmull_lane_s32(vget_high_s32(b0), vget_high_s32(cospis), 0);
+  c[2] = vmull_lane_s32(vget_low_s32(b1), vget_high_s32(cospis), 0);
+  c[3] = vmull_lane_s32(vget_high_s32(b1), vget_high_s32(cospis), 0);
+  c[4] = vmull_lane_s32(vget_low_s32(a[1]), vget_high_s32(cospis), 1);
+  c[5] = vmull_lane_s32(vget_high_s32(a[1]), vget_high_s32(cospis), 1);
+  c[6] = vmull_lane_s32(vget_low_s32(a[1]), vget_low_s32(cospis), 1);
+  c[7] = vmull_lane_s32(vget_high_s32(a[1]), vget_low_s32(cospis), 1);
+  c[8] = vmull_lane_s32(vget_low_s32(a[3]), vget_low_s32(cospis), 1);
+  c[9] = vmull_lane_s32(vget_high_s32(a[3]), vget_low_s32(cospis), 1);
+  c[10] = vmull_lane_s32(vget_low_s32(a[3]), vget_high_s32(cospis), 1);
+  c[11] = vmull_lane_s32(vget_high_s32(a[3]), vget_high_s32(cospis), 1);
+  c[4] = vsubq_s64(c[4], c[8]);
+  c[5] = vsubq_s64(c[5], c[9]);
+  c[6] = vaddq_s64(c[6], c[10]);
+  c[7] = vaddq_s64(c[7], c[11]);
+  b0 = vcombine_s32(vrshrn_n_s64(c[0], DCT_CONST_BITS),
+                    vrshrn_n_s64(c[1], DCT_CONST_BITS));
+  b1 = vcombine_s32(vrshrn_n_s64(c[2], DCT_CONST_BITS),
+                    vrshrn_n_s64(c[3], DCT_CONST_BITS));
+  b2 = vcombine_s32(vrshrn_n_s64(c[4], DCT_CONST_BITS),
+                    vrshrn_n_s64(c[5], DCT_CONST_BITS));
+  b3 = vcombine_s32(vrshrn_n_s64(c[6], DCT_CONST_BITS),
+                    vrshrn_n_s64(c[7], DCT_CONST_BITS));
+  a[0] = vaddq_s32(b0, b3);
+  a[1] = vaddq_s32(b1, b2);
+  a[2] = vsubq_s32(b1, b2);
+  a[3] = vsubq_s32(b0, b3);
+}
+
+#endif  // VPX_DSP_ARM_HIGHBD_IDCT_NEON_H_
--- a/vpx_dsp/vpx_dsp.mk
+++ b/vpx_dsp/vpx_dsp.mk
@@ -242,6 +242,7 @@
 DSP_SRCS-$(HAVE_NEON)  += arm/highbd_idct32x32_34_add_neon.c
 DSP_SRCS-$(HAVE_NEON)  += arm/highbd_idct32x32_135_add_neon.c
 DSP_SRCS-$(HAVE_NEON)  += arm/highbd_idct32x32_1024_add_neon.c
+DSP_SRCS-$(HAVE_NEON)  += arm/highbd_idct_neon.h
 DSP_SRCS-$(HAVE_SSE2)  += x86/highbd_inv_txfm_sse2.h
 DSP_SRCS-$(HAVE_SSE2)  += x86/highbd_idct4x4_add_sse2.c
 DSP_SRCS-$(HAVE_SSE2)  += x86/highbd_idct8x8_add_sse2.c