Move libvpx from DEPS to src

third_party/libvpx/source/libvpx/vpx_dsp/sad.c

Index: third_party/libvpx/source/libvpx/vpx_dsp/sad.c
diff --git a/third_party/libvpx/source/libvpx/vpx_dsp/sad.c b/third_party/libvpx/source/libvpx/vpx_dsp/sad.c
new file mode 100644
index 0000000000000000000000000000000000000000..9db312fbe0525f07f71fc4ebed7ae44602dd745b
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/vpx_dsp/sad.c
@@ -0,0 +1,323 @@
+/*
+ *  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 <stdlib.h>
+
+#include "./vpx_config.h"
+#include "./vpx_dsp_rtcd.h"
+
+#include "vpx/vpx_integer.h"
+
+#if CONFIG_VP9_HIGHBITDEPTH
+#include "vp9/common/vp9_common.h"
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+// Temporary ...
+#define ROUND_POWER_OF_TWO(value, n) \
+     (((value) + (1 << ((n) - 1))) >> (n))
+
+/* Sum the difference between every corresponding element of the buffers. */
+static INLINE unsigned int sad(const uint8_t *a, int a_stride,
+                               const uint8_t *b, int b_stride,
+                               int width, int height) {
+  int y, x;
+  unsigned int sad = 0;
+
+  for (y = 0; y < height; y++) {
+    for (x = 0; x < width; x++)
+      sad += abs(a[x] - b[x]);
+
+    a += a_stride;
+    b += b_stride;
+  }
+  return sad;
+}
+
+/* Remove dependency on vp9 variance function by duplicating vp9_comp_avg_pred.
+ * The function averages every corresponding element of the buffers and stores
+ * the value in a third buffer, comp_pred.
+ * pred and comp_pred are assumed to have stride = width
+ * In the usage below comp_pred is a local array.
+ */
+static INLINE void avg_pred(uint8_t *comp_pred, const uint8_t *pred, int width,
+                            int height, const uint8_t *ref, int ref_stride) {
+  int i, j;
+
+  for (i = 0; i < height; i++) {
+    for (j = 0; j < width; j++) {
+      const int tmp = pred[j] + ref[j];
+      comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
+    }
+    comp_pred += width;
+    pred += width;
+    ref += ref_stride;
+  }
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+static INLINE void highbd_avg_pred(uint16_t *comp_pred, const uint8_t *pred8,
+                                   int width, int height, const uint8_t *ref8,
+                                   int ref_stride) {
+  int i, j;
+  uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+  for (i = 0; i < height; i++) {
+    for (j = 0; j < width; j++) {
+      const int tmp = pred[j] + ref[j];
+      comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
+    }
+    comp_pred += width;
+    pred += width;
+    ref += ref_stride;
+  }
+}
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+
+#define sadMxN(m, n) \
+unsigned int vpx_sad##m##x##n##_c(const uint8_t *src, int src_stride, \
+                                  const uint8_t *ref, int ref_stride) { \
+  return sad(src, src_stride, ref, ref_stride, m, n); \
+} \
+unsigned int vpx_sad##m##x##n##_avg_c(const uint8_t *src, int src_stride, \
+                                      const uint8_t *ref, int ref_stride, \
+                                      const uint8_t *second_pred) { \
+  uint8_t comp_pred[m * n]; \
+  avg_pred(comp_pred, second_pred, m, n, ref, ref_stride); \
+  return sad(src, src_stride, comp_pred, m, m, n); \
+}
+
+// depending on call sites, pass **ref_array to avoid & in subsequent call and
+// de-dup with 4D below.
+#define sadMxNxK(m, n, k) \
+void vpx_sad##m##x##n##x##k##_c(const uint8_t *src, int src_stride, \
+                                const uint8_t *ref_array, int ref_stride, \
+                                uint32_t *sad_array) { \
+  int i; \
+  for (i = 0; i < k; ++i) \
+    sad_array[i] = vpx_sad##m##x##n##_c(src, src_stride, &ref_array[i], ref_stride); \
+}
+
+// This appears to be equivalent to the above when k == 4 and refs is const
+#define sadMxNx4D(m, n) \
+void vpx_sad##m##x##n##x4d_c(const uint8_t *src, int src_stride, \
+                             const uint8_t *const ref_array[], int ref_stride, \
+                             uint32_t *sad_array) { \
+  int i; \
+  for (i = 0; i < 4; ++i) \
+    sad_array[i] = vpx_sad##m##x##n##_c(src, src_stride, ref_array[i], ref_stride); \
+}
+
+// 64x64
+sadMxN(64, 64)
+sadMxNxK(64, 64, 3)
+sadMxNxK(64, 64, 8)
+sadMxNx4D(64, 64)
+
+// 64x32
+sadMxN(64, 32)
+sadMxNx4D(64, 32)
+
+// 32x64
+sadMxN(32, 64)
+sadMxNx4D(32, 64)
+
+// 32x32
+sadMxN(32, 32)
+sadMxNxK(32, 32, 3)
+sadMxNxK(32, 32, 8)
+sadMxNx4D(32, 32)
+
+// 32x16
+sadMxN(32, 16)
+sadMxNx4D(32, 16)
+
+// 16x32
+sadMxN(16, 32)
+sadMxNx4D(16, 32)
+
+// 16x16
+sadMxN(16, 16)
+sadMxNxK(16, 16, 3)
+sadMxNxK(16, 16, 8)
+sadMxNx4D(16, 16)
+
+// 16x8
+sadMxN(16, 8)
+sadMxNxK(16, 8, 3)
+sadMxNxK(16, 8, 8)
+sadMxNx4D(16, 8)
+
+// 8x16
+sadMxN(8, 16)
+sadMxNxK(8, 16, 3)
+sadMxNxK(8, 16, 8)
+sadMxNx4D(8, 16)
+
+// 8x8
+sadMxN(8, 8)
+sadMxNxK(8, 8, 3)
+sadMxNxK(8, 8, 8)
+sadMxNx4D(8, 8)
+
+// 8x4
+sadMxN(8, 4)
+sadMxNxK(8, 4, 8)
+sadMxNx4D(8, 4)
+
+// 4x8
+sadMxN(4, 8)
+sadMxNxK(4, 8, 8)
+sadMxNx4D(4, 8)
+
+// 4x4
+sadMxN(4, 4)
+sadMxNxK(4, 4, 3)
+sadMxNxK(4, 4, 8)
+sadMxNx4D(4, 4)
+
+#if CONFIG_VP9_HIGHBITDEPTH
+static INLINE unsigned int highbd_sad(const uint8_t *a8, int a_stride,
+                                      const uint8_t *b8, int b_stride,
+                                      int width, int height) {
+  int y, x;
+  unsigned int sad = 0;
+  const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
+  const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
+  for (y = 0; y < height; y++) {
+    for (x = 0; x < width; x++)
+      sad += abs(a[x] - b[x]);
+
+    a += a_stride;
+    b += b_stride;
+  }
+  return sad;
+}
+
+static INLINE unsigned int highbd_sadb(const uint8_t *a8, int a_stride,
+                                       const uint16_t *b, int b_stride,
+                                       int width, int height) {
+  int y, x;
+  unsigned int sad = 0;
+  const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
+  for (y = 0; y < height; y++) {
+    for (x = 0; x < width; x++)
+      sad += abs(a[x] - b[x]);
+
+    a += a_stride;
+    b += b_stride;
+  }
+  return sad;
+}
+
+#define highbd_sadMxN(m, n) \
+unsigned int vpx_highbd_sad##m##x##n##_c(const uint8_t *src, int src_stride, \
+                                         const uint8_t *ref, int ref_stride) { \
+  return highbd_sad(src, src_stride, ref, ref_stride, m, n); \
+} \
+unsigned int vpx_highbd_sad##m##x##n##_avg_c(const uint8_t *src, \
+                                             int src_stride, \
+                                             const uint8_t *ref, \
+                                             int ref_stride, \
+                                             const uint8_t *second_pred) { \
+  uint16_t comp_pred[m * n]; \
+  highbd_avg_pred(comp_pred, second_pred, m, n, ref, ref_stride); \
+  return highbd_sadb(src, src_stride, comp_pred, m, m, n); \
+}
+
+#define highbd_sadMxNxK(m, n, k) \
+void vpx_highbd_sad##m##x##n##x##k##_c(const uint8_t *src, int src_stride, \
+                                       const uint8_t *ref_array, int ref_stride, \
+                                       uint32_t *sad_array) { \
+  int i; \
+  for (i = 0; i < k; ++i) { \
+    sad_array[i] = vpx_highbd_sad##m##x##n##_c(src, src_stride, &ref_array[i], \
+                                               ref_stride); \
+  } \
+}
+
+#define highbd_sadMxNx4D(m, n) \
+void vpx_highbd_sad##m##x##n##x4d_c(const uint8_t *src, int src_stride, \
+                                    const uint8_t *const ref_array[], \
+                                    int ref_stride, uint32_t *sad_array) { \
+  int i; \
+  for (i = 0; i < 4; ++i) { \
+    sad_array[i] = vpx_highbd_sad##m##x##n##_c(src, src_stride, ref_array[i], \
+                                               ref_stride); \
+  } \
+}
+
+// 64x64
+highbd_sadMxN(64, 64)
+highbd_sadMxNxK(64, 64, 3)
+highbd_sadMxNxK(64, 64, 8)
+highbd_sadMxNx4D(64, 64)
+
+// 64x32
+highbd_sadMxN(64, 32)
+highbd_sadMxNx4D(64, 32)
+
+// 32x64
+highbd_sadMxN(32, 64)
+highbd_sadMxNx4D(32, 64)
+
+// 32x32
+highbd_sadMxN(32, 32)
+highbd_sadMxNxK(32, 32, 3)
+highbd_sadMxNxK(32, 32, 8)
+highbd_sadMxNx4D(32, 32)
+
+// 32x16
+highbd_sadMxN(32, 16)
+highbd_sadMxNx4D(32, 16)
+
+// 16x32
+highbd_sadMxN(16, 32)
+highbd_sadMxNx4D(16, 32)
+
+// 16x16
+highbd_sadMxN(16, 16)
+highbd_sadMxNxK(16, 16, 3)
+highbd_sadMxNxK(16, 16, 8)
+highbd_sadMxNx4D(16, 16)
+
+// 16x8
+highbd_sadMxN(16, 8)
+highbd_sadMxNxK(16, 8, 3)
+highbd_sadMxNxK(16, 8, 8)
+highbd_sadMxNx4D(16, 8)
+
+// 8x16
+highbd_sadMxN(8, 16)
+highbd_sadMxNxK(8, 16, 3)
+highbd_sadMxNxK(8, 16, 8)
+highbd_sadMxNx4D(8, 16)
+
+// 8x8
+highbd_sadMxN(8, 8)
+highbd_sadMxNxK(8, 8, 3)
+highbd_sadMxNxK(8, 8, 8)
+highbd_sadMxNx4D(8, 8)
+
+// 8x4
+highbd_sadMxN(8, 4)
+highbd_sadMxNxK(8, 4, 8)
+highbd_sadMxNx4D(8, 4)
+
+// 4x8
+highbd_sadMxN(4, 8)
+highbd_sadMxNxK(4, 8, 8)
+highbd_sadMxNx4D(4, 8)
+
+// 4x4
+highbd_sadMxN(4, 4)
+highbd_sadMxNxK(4, 4, 3)
+highbd_sadMxNxK(4, 4, 8)
+highbd_sadMxNx4D(4, 4)
+
+#endif  // CONFIG_VP9_HIGHBITDEPTH