Import aom library

This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

1 files changed, 50 insertions, 0 deletions

diff --git a/third_party/aom/av1/common/zigzag8.c b/third_party/aom/av1/common/zigzag8.c
new file mode 100644
index 000000000..3f11e0c03
--- /dev/null
+++ b/third_party/aom/av1/common/zigzag8.c
@@ -0,0 +1,50 @@
+/* This file is generated by gen_zigzag8.m */
+
+/* clang-format off */
+
+#include "odintrin.h"
+
+OD_EXTERN const unsigned char OD_ZIGZAG8_DCT_DCT[48][2] = {
+  {4, 0}, {4, 1}, {5, 0}, {5, 1},
+  {6, 0}, {7, 0}, {6, 1}, {7, 1},
+  {0, 4}, {1, 4}, {0, 5}, {1, 5},
+  {0, 6}, {1, 6}, {0, 7}, {1, 7},
+  {2, 4}, {4, 2}, {3, 4}, {2, 5},
+  {4, 3}, {5, 2}, {4, 4}, {3, 5},
+  {5, 3}, {2, 6}, {4, 5}, {6, 2},
+  {5, 4}, {3, 6}, {2, 7}, {6, 3},
+  {5, 5}, {7, 2}, {4, 6}, {3, 7},
+  {6, 4}, {7, 3}, {4, 7}, {5, 6},
+  {6, 5}, {7, 4}, {5, 7}, {6, 6},
+  {7, 5}, {6, 7}, {7, 6}, {7, 7}
+  };
+
+OD_EXTERN const unsigned char OD_ZIGZAG8_ADST_DCT[48][2] = {
+  {4, 0}, {5, 0}, {4, 1}, {6, 0},
+  {5, 1}, {7, 0}, {6, 1}, {7, 1},
+  {0, 4}, {1, 4}, {0, 5}, {1, 5},
+  {0, 6}, {1, 6}, {0, 7}, {1, 7},
+  {4, 2}, {2, 4}, {5, 2}, {4, 3},
+  {3, 4}, {2, 5}, {5, 3}, {4, 4},
+  {6, 2}, {3, 5}, {5, 4}, {2, 6},
+  {4, 5}, {6, 3}, {7, 2}, {3, 6},
+  {2, 7}, {5, 5}, {6, 4}, {4, 6},
+  {7, 3}, {3, 7}, {5, 6}, {6, 5},
+  {4, 7}, {7, 4}, {5, 7}, {7, 5},
+  {6, 6}, {7, 6}, {6, 7}, {7, 7}
+  };
+
+OD_EXTERN const unsigned char OD_ZIGZAG8_DCT_ADST[48][2] = {
+  {4, 0}, {4, 1}, {5, 0}, {5, 1},
+  {6, 0}, {6, 1}, {7, 0}, {7, 1},
+  {0, 4}, {0, 5}, {1, 4}, {0, 6},
+  {1, 5}, {0, 7}, {1, 6}, {1, 7},
+  {2, 4}, {2, 5}, {3, 4}, {4, 2},
+  {2, 6}, {4, 3}, {3, 5}, {4, 4},
+  {2, 7}, {3, 6}, {5, 2}, {4, 5},
+  {5, 3}, {3, 7}, {5, 4}, {4, 6},
+  {6, 2}, {5, 5}, {4, 7}, {6, 3},
+  {6, 4}, {5, 6}, {7, 2}, {6, 5},
+  {7, 3}, {5, 7}, {7, 4}, {6, 6},
+  {7, 5}, {6, 7}, {7, 6}, {7, 7}
+  };