1 files changed, 137 insertions, 0 deletions
diff --git a/chromium/third_party/libvpx/source/libvpx/vp9/encoder/vp9_sad.c b/chromium/third_party/libvpx/source/libvpx/vp9/encoder/vp9_sad.c
new file mode 100644
index 00000000000..892e9055198
--- /dev/null
+++ b/chromium/third_party/libvpx/source/libvpx/vp9/encoder/vp9_sad.c
@@ -0,0 +1,137 @@
+/*
+ *  Copyright (c) 2010 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 "./vp9_rtcd.h"
+#include "./vpx_config.h"
+
+#include "vpx/vpx_integer.h"
+#include "vp9/encoder/vp9_variance.h"
+
+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;
+}
+
+#define sadMxN(m, n) \
+unsigned int vp9_sad##m##x##n##_c(const uint8_t *src, int src_stride, \
+                                  const uint8_t *ref, int ref_stride, \
+                                  unsigned int max_sad) { \
+  return sad(src, src_stride, ref, ref_stride, m, n); \
+} \
+unsigned int vp9_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, \
+                                      unsigned int max_sad) { \
+  uint8_t comp_pred[m * n]; \
+  vp9_comp_avg_pred(comp_pred, second_pred, m, n, ref, ref_stride); \
+  return sad(src, src_stride, comp_pred, m, m, n); \
+}
+
+#define sadMxNxK(m, n, k) \
+void vp9_sad##m##x##n##x##k##_c(const uint8_t *src, int src_stride, \
+                                const uint8_t *ref, int ref_stride, \
+                                unsigned int *sads) { \
+  int i; \
+  for (i = 0; i < k; ++i) \
+    sads[i] = vp9_sad##m##x##n##_c(src, src_stride, &ref[i], ref_stride, \
+                                   0x7fffffff); \
+}
+
+#define sadMxNx4D(m, n) \
+void vp9_sad##m##x##n##x4d_c(const uint8_t *src, int src_stride, \
+                             const uint8_t *const refs[], int ref_stride, \
+                             unsigned int *sads) { \
+  int i; \
+  for (i = 0; i < 4; ++i) \
+    sads[i] = vp9_sad##m##x##n##_c(src, src_stride, refs[i], ref_stride, \
+                                   0x7fffffff); \
+}
+
+// 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)