c97e3e7d60
See http://wiki.webmproject.org/encryption/webm-subsample-encryption for the format. Change-Id: Ia5d6f3566b92c46911704108d3e86cd0fac9ee34
39 lines
1.5 KiB
C++
39 lines
1.5 KiB
C++
// Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file in the root of the source
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// tree. An additional intellectual property rights grant can be found
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// in the file PATENTS. All contributing project authors may
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// be found in the AUTHORS file in the root of the source tree.
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#ifndef LIBWEBM_COMMON_WEBM_ENDIAN_H_
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#define LIBWEBM_COMMON_WEBM_ENDIAN_H_
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#include <stdint.h>
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namespace libwebm {
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// Swaps unsigned 32 bit values to big endian if needed. Returns |value| if
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// architecture is big endian. Returns big endian value if architecture is
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// little endian. Returns 0 otherwise.
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uint32_t host_to_bigendian(uint32_t value);
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// Swaps unsigned 32 bit values to little endian if needed. Returns |value| if
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// architecture is big endian. Returns little endian value if architecture is
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// little endian. Returns 0 otherwise.
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uint32_t bigendian_to_host(uint32_t value);
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// Swaps unsigned 64 bit values to big endian if needed. Returns |value| if
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// architecture is big endian. Returns big endian value if architecture is
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// little endian. Returns 0 otherwise.
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uint64_t host_to_bigendian(uint64_t value);
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// Swaps unsigned 64 bit values to little endian if needed. Returns |value| if
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// architecture is big endian. Returns little endian value if architecture is
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// little endian. Returns 0 otherwise.
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uint64_t bigendian_to_host(uint64_t value);
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} // namespace libwebm
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#endif // LIBWEBM_COMMON_WEBM_ENDIAN_H_
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