1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/cdef_block.h b/third_party/aom/av1/common/cdef_block.h
new file mode 100644
index 000000000..6b4452cd6
--- /dev/null
+++ b/third_party/aom/av1/common/cdef_block.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AV1_COMMON_CDEF_BLOCK_H_
+#define AOM_AV1_COMMON_CDEF_BLOCK_H_
+
+#include "av1/common/odintrin.h"
+
+#define CDEF_BLOCKSIZE 64
+#define CDEF_BLOCKSIZE_LOG2 6
+#define CDEF_NBLOCKS ((1 << MAX_SB_SIZE_LOG2) / 8)
+#define CDEF_SB_SHIFT (MAX_SB_SIZE_LOG2 - CDEF_BLOCKSIZE_LOG2)
+
+/* We need to buffer three vertical lines. */
+#define CDEF_VBORDER (3)
+/* We only need to buffer three horizontal pixels too, but let's align to
+   16 bytes (8 x 16 bits) to make vectorization easier. */
+#define CDEF_HBORDER (8)
+#define CDEF_BSTRIDE \
+  ALIGN_POWER_OF_TWO((1 << MAX_SB_SIZE_LOG2) + 2 * CDEF_HBORDER, 3)
+
+#define CDEF_VERY_LARGE (30000)
+#define CDEF_INBUF_SIZE \
+  (CDEF_BSTRIDE * ((1 << MAX_SB_SIZE_LOG2) + 2 * CDEF_VBORDER))
+
+extern const int cdef_pri_taps[2][2];
+extern const int cdef_sec_taps[2][2];
+DECLARE_ALIGNED(16, extern const int, cdef_directions[8][2]);
+
+typedef struct {
+  uint8_t by;
+  uint8_t bx;
+  uint8_t skip;
+} cdef_list;
+
+typedef void (*cdef_filter_block_func)(uint8_t *dst8, uint16_t *dst16,
+                                       int dstride, const uint16_t *in,
+                                       int pri_strength, int sec_strength,
+                                       int dir, int pri_damping,
+                                       int sec_damping, int bsize, int max,
+                                       int coeff_shift);
+void copy_cdef_16bit_to_16bit(uint16_t *dst, int dstride, uint16_t *src,
+                              cdef_list *dlist, int cdef_count, int bsize);
+
+void cdef_filter_fb(uint8_t *dst8, uint16_t *dst16, int dstride, uint16_t *in,
+                    int xdec, int ydec, int dir[CDEF_NBLOCKS][CDEF_NBLOCKS],
+                    int *dirinit, int var[CDEF_NBLOCKS][CDEF_NBLOCKS], int pli,
+                    cdef_list *dlist, int cdef_count, int level,
+                    int sec_strength, int pri_damping, int sec_damping,
+                    int coeff_shift);
+#endif  // AOM_AV1_COMMON_CDEF_BLOCK_H_