1 files changed, 40 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/common/vp9_tile_common.h b/media/libvpx/libvpx/vp9/common/vp9_tile_common.h
new file mode 100644
index 0000000000..4ccf0a3d5f
--- /dev/null
+++ b/media/libvpx/libvpx/vp9/common/vp9_tile_common.h
@@ -0,0 +1,40 @@
+/*
+ *  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.
+ */
+
+#ifndef VPX_VP9_COMMON_VP9_TILE_COMMON_H_
+#define VPX_VP9_COMMON_VP9_TILE_COMMON_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct VP9Common;
+
+typedef struct TileInfo {
+  int mi_row_start, mi_row_end;
+  int mi_col_start, mi_col_end;
+} TileInfo;
+
+// initializes 'tile->mi_(row|col)_(start|end)' for (row, col) based on
+// 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)'
+void vp9_tile_init(TileInfo *tile, const struct VP9Common *cm, int row,
+                   int col);
+
+void vp9_tile_set_row(TileInfo *tile, const struct VP9Common *cm, int row);
+void vp9_tile_set_col(TileInfo *tile, const struct VP9Common *cm, int col);
+
+void vp9_get_tile_n_bits(int mi_cols, int *min_log2_tile_cols,
+                         int *max_log2_tile_cols);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VPX_VP9_COMMON_VP9_TILE_COMMON_H_