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-rw-r--r--media/libvpx/vp9/common/vp9_mv.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/media/libvpx/vp9/common/vp9_mv.h b/media/libvpx/vp9/common/vp9_mv.h
new file mode 100644
index 000000000..5d89da8c2
--- /dev/null
+++ b/media/libvpx/vp9/common/vp9_mv.h
@@ -0,0 +1,55 @@
+/*
+ * 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 VP9_COMMON_VP9_MV_H_
+#define VP9_COMMON_VP9_MV_H_
+
+#include "vpx/vpx_integer.h"
+
+#include "vp9/common/vp9_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct mv {
+ int16_t row;
+ int16_t col;
+} MV;
+
+typedef union int_mv {
+ uint32_t as_int;
+ MV as_mv;
+} int_mv; /* facilitates faster equality tests and copies */
+
+typedef struct mv32 {
+ int32_t row;
+ int32_t col;
+} MV32;
+
+static INLINE int is_zero_mv(const MV *mv) {
+ return *((const uint32_t *)mv) == 0;
+}
+
+static INLINE int is_equal_mv(const MV *a, const MV *b) {
+ return *((const uint32_t *)a) == *((const uint32_t *)b);
+}
+
+static INLINE void clamp_mv(MV *mv, int min_col, int max_col,
+ int min_row, int max_row) {
+ mv->col = clamp(mv->col, min_col, max_col);
+ mv->row = clamp(mv->row, min_row, max_row);
+}
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VP9_COMMON_VP9_MV_H_