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-rw-r--r--media/libvpx/vp8/common/common.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/common.h b/media/libvpx/vp8/common/common.h
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+++ b/media/libvpx/vp8/common/common.h
@@ -0,0 +1,51 @@
+/*
+ * 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 VP8_COMMON_COMMON_H_
+#define VP8_COMMON_COMMON_H_
+
+#include <assert.h>
+
+/* Interface header for common constant data structures and lookup tables */
+
+#include "vpx_mem/vpx_mem.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
+#define MAX(x, y) (((x) > (y)) ? (x) : (y))
+
+/* Only need this for fixed-size arrays, for structs just assign. */
+
+#define vp8_copy( Dest, Src) { \
+ assert( sizeof( Dest) == sizeof( Src)); \
+ memcpy( Dest, Src, sizeof( Src)); \
+ }
+
+/* Use this for variably-sized arrays. */
+
+#define vp8_copy_array( Dest, Src, N) { \
+ assert( sizeof( *Dest) == sizeof( *Src)); \
+ memcpy( Dest, Src, N * sizeof( *Src)); \
+ }
+
+#define vp8_zero( Dest) memset( &Dest, 0, sizeof( Dest));
+
+#define vp8_zero_array( Dest, N) memset( Dest, 0, N * sizeof( *Dest));
+
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VP8_COMMON_COMMON_H_