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, 59 insertions, 0 deletions

diff --git a/third_party/aom/av1/common/tile_common.h b/third_party/aom/av1/common/tile_common.h
new file mode 100644
index 000000000..617dda202
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+++ b/third_party/aom/av1/common/tile_common.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 AV1_COMMON_TILE_COMMON_H_
+#define AV1_COMMON_TILE_COMMON_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "./aom_config.h"
+
+struct AV1Common;
+
+#if CONFIG_TILE_GROUPS
+#define DEFAULT_MAX_NUM_TG 1
+#endif
+
+typedef struct TileInfo {
+  int mi_row_start, mi_row_end;
+  int mi_col_start, mi_col_end;
+  int tg_horz_boundary;
+} TileInfo;
+
+// initializes 'tile->mi_(row|col)_(start|end)' for (row, col) based on
+// 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)'
+void av1_tile_init(TileInfo *tile, const struct AV1Common *cm, int row,
+                   int col);
+
+void av1_tile_set_row(TileInfo *tile, const struct AV1Common *cm, int row);
+void av1_tile_set_col(TileInfo *tile, const struct AV1Common *cm, int col);
+#if CONFIG_DEPENDENT_HORZTILES && CONFIG_TILE_GROUPS
+void av1_tile_set_tg_boundary(TileInfo *tile, const struct AV1Common *cm,
+                              int row, int col);
+#endif
+void av1_get_tile_n_bits(int mi_cols, int *min_log2_tile_cols,
+                         int *max_log2_tile_cols);
+
+void av1_update_boundary_info(const struct AV1Common *cm,
+                              const TileInfo *const tile_info, int mi_row,
+                              int mi_col);
+
+#if CONFIG_LOOPFILTERING_ACROSS_TILES
+int av1_disable_loopfilter_on_tile_boundary(const struct AV1Common *cm);
+#endif  // CONFIG_LOOPFILTERING_ACROSS_TILES
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // AV1_COMMON_TILE_COMMON_H_