(61d00a474) v0.9.7.1

Libraries/webm_mem_playback/libvpx/vp8/common/common.h

@@ -0,0 +1,48 @@
+/*
+ *  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_VP8_COMMON_COMMON_H_
+#define VPX_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
+
+/* 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  // VPX_VP8_COMMON_COMMON_H_