| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| permissions | -rw-r--r-- |
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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|
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#include <3gplibrary/mp4config.h> |
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|
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/* |
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* Function: |
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* |
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* mp4_u16 u16endian(mp4_u16 u) |
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* |
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* Description: |
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* |
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* This function converts the input parameter u between network byte |
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* order (big endian) and current computer byte order. |
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* |
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* Note: Intel based Windows system is little endian. |
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* ARM based Symbian OS is little endian. |
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* |
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* Parameters: |
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* |
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* u Input value |
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* |
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* Return value: |
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* |
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* Converted value |
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* |
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*/ |
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mp4_u16 u16endian(mp4_u16 u) |
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{
|
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mp4_u16 result; |
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|
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((mp4_u8 *)&result)[0] = ((mp4_u8 *)&u)[1]; |
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((mp4_u8 *)&result)[1] = ((mp4_u8 *)&u)[0]; |
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|
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return result; |
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} |
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|
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|
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/* |
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* Function: |
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* |
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* mp4_u32 u32endian(mp4_u32 u) |
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* |
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* Description: |
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* |
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* This function converts the input parameter u between network byte |
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* order (big endian) and current computer byte order. |
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* |
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* Note: Intel based Windows system is little endian. |
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* ARM based Symbian OS is little endian. |
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* |
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* Parameters: |
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* |
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* u Input value |
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* |
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* Return value: |
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* |
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* Converted value |
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* |
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*/ |
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mp4_u32 u32endian(mp4_u32 u) |
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{
|
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mp4_u32 result; |
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|
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((mp4_u8 *)&result)[0] = ((mp4_u8 *)&u)[3]; |
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((mp4_u8 *)&result)[1] = ((mp4_u8 *)&u)[2]; |
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((mp4_u8 *)&result)[2] = ((mp4_u8 *)&u)[1]; |
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((mp4_u8 *)&result)[3] = ((mp4_u8 *)&u)[0]; |
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|
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return result; |
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} |
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|
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|
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/* |
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* Function: |
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* |
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* mp4_i32 i32endian(mp4_i32 i) |
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* |
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* Description: |
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* |
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* This function converts the input parameter i between network byte |
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* order (big endian) and current computer byte order. |
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* |
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* Note: Intel based Windows system is little endian. |
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* ARM based Symbian OS is little endian. |
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* |
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* Parameters: |
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* |
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* i Input value |
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* |
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* Return value: |
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* |
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* Converted value |
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* |
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*/ |
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mp4_i32 i32endian(mp4_i32 i) |
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{
|
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mp4_i32 result; |
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|
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((mp4_u8 *)&result)[0] = ((mp4_u8 *)&i)[3]; |
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((mp4_u8 *)&result)[1] = ((mp4_u8 *)&i)[2]; |
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((mp4_u8 *)&result)[2] = ((mp4_u8 *)&i)[1]; |
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((mp4_u8 *)&result)[3] = ((mp4_u8 *)&i)[0]; |
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|
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return result; |
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} |
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|
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|
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/* |
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* Function: |
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* |
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* mp4_u64 u64endian(mp4_u64 u) |
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* |
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* Description: |
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* |
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* This function converts the input parameter u between network byte |
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* order (big endian) and current computer byte order. |
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* |
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* Note: Intel based Windows system is little endian. |
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* ARM based Symbian OS is little endian. |
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* |
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* Parameters: |
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* |
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* u Input value |
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* |
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* Return value: |
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* |
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* Converted value |
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* |
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*/ |
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mp4_u64 u64endian(mp4_u64 u) |
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{
|
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mp4_u64 result; |
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|
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((mp4_u8 *)&result)[0] = ((mp4_u8 *)&u)[7]; |
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((mp4_u8 *)&result)[1] = ((mp4_u8 *)&u)[6]; |
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((mp4_u8 *)&result)[2] = ((mp4_u8 *)&u)[5]; |
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((mp4_u8 *)&result)[3] = ((mp4_u8 *)&u)[4]; |
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((mp4_u8 *)&result)[4] = ((mp4_u8 *)&u)[3]; |
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((mp4_u8 *)&result)[5] = ((mp4_u8 *)&u)[2]; |
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((mp4_u8 *)&result)[6] = ((mp4_u8 *)&u)[1]; |
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((mp4_u8 *)&result)[7] = ((mp4_u8 *)&u)[0]; |
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|
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return result; |
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} |
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|
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// End of File |