(61d00a474) v0.9.7.1

Libraries/webm_mem_playback/libwebm/common/webm_endian.h

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+// Copyright (c) 2012 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 LIBWEBM_COMMON_WEBM_ENDIAN_H_
+#define LIBWEBM_COMMON_WEBM_ENDIAN_H_
+
+#include <stdint.h>
+
+namespace libwebm {
+
+// Swaps unsigned 32 bit values to big endian if needed. Returns |value| if
+// architecture is big endian. Returns big endian value if architecture is
+// little endian. Returns 0 otherwise.
+uint32_t host_to_bigendian(uint32_t value);
+
+// Swaps unsigned 32 bit values to little endian if needed. Returns |value| if
+// architecture is big endian. Returns little endian value if architecture is
+// little endian. Returns 0 otherwise.
+uint32_t bigendian_to_host(uint32_t value);
+
+// Swaps unsigned 64 bit values to big endian if needed. Returns |value| if
+// architecture is big endian. Returns big endian value if architecture is
+// little endian. Returns 0 otherwise.
+uint64_t host_to_bigendian(uint64_t value);
+
+// Swaps unsigned 64 bit values to little endian if needed. Returns |value| if
+// architecture is big endian. Returns little endian value if architecture is
+// little endian. Returns 0 otherwise.
+uint64_t bigendian_to_host(uint64_t value);
+
+}  // namespace libwebm
+
+#endif  // LIBWEBM_COMMON_WEBM_ENDIAN_H_