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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional permissions under GNU GPL version 3 section 7
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If you modify this Program, or any covered work, by linking or
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
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(or a modified version of those libraries),
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
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licensors of this Program grant you additional
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permission to convey the resulting work. Corresponding Source for a
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non-source form of such a combination shall include the source code for
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
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work.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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//////////////////////////////////////////////////////////////////////////////
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// //
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// plAudioFileReader - Microsoft's way of making our lives difficult when //
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// reading in .WMA files. Hacking Winamp's plugins is //
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// probably easier... //
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// //
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//////////////////////////////////////////////////////////////////////////////
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#ifndef _plAudioFileReader_h
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#define _plAudioFileReader_h
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#include "plAudioCore.h"
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#include "hsTemplates.h"
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//// Class Definition ////////////////////////////////////////////////////////
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class plUnifiedTime;
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class plWAVHeader;
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class plAudioFileReader
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{
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public:
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virtual ~plAudioFileReader() {}
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virtual plWAVHeader &GetHeader( void ) = 0;
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enum StreamType
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{
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kStreamRAM, // Stream from a WAV loaded into RAM
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kStreamWAV, // Stream from a WAV on disk
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kStreamNative, // Stream from the native type (ie, an Ogg on disk)
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};
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virtual void Open(){}
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virtual void Close( void ) = 0;
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virtual UInt32 GetDataSize( void ) = 0;
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virtual float GetLengthInSecs( void ) = 0;
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virtual hsBool SetPosition( UInt32 numBytes ) = 0;
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virtual hsBool Read( UInt32 numBytes, void *buffer ) = 0;
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virtual UInt32 NumBytesLeft( void ) = 0;
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virtual hsBool OpenForWriting( const char *path, plWAVHeader &header ) { return false; }
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virtual UInt32 Write( UInt32 bytes, void *buffer ) { return 0; }
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virtual hsBool IsValid( void ) = 0;
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static plAudioFileReader* CreateReader(const char* path, plAudioCore::ChannelSelect whichChan = plAudioCore::kAll, StreamType type = kStreamWAV);
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static plAudioFileReader* CreateWriter(const char* path, plWAVHeader& header);
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// Decompresses a compressed file to the cache directory
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static void CacheFile(const char* path, bool splitChannels=false, bool noOverwrite=false);
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protected:
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static void IGetCachedPath(const char* path, char* cachedPath, plAudioCore::ChannelSelect whichChan);
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static void ICacheFile(const char* path, bool noOverwrite, plAudioCore::ChannelSelect whichChan);
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};
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#endif //_plAudioFileReader_h
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