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146 lines
4.7 KiB
146 lines
4.7 KiB
/*==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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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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// plSoundBuffer - Quick, dirty, and highly optimized class for reading // |
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// in the samples of a WAV file when you're in a hurry. // |
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// ONLY WORKS WITH PCM (i.e. uncompressed) DATA // |
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// // |
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// Now loads data asynchronously. When fLoading is true // |
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// do not touch any data in the soundbuffer // |
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////////////////////////////////////////////////////////////////////////////// |
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#ifndef _plSoundBuffer_h |
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#define _plSoundBuffer_h |
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#include "../pnKeyedObject/hsKeyedObject.h" |
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#include "plAudioCore.h" |
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#include "plAudioFileReader.h" |
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#include "../pnUtils/pnUtils.h" |
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//// Class Definition //////////////////////////////////////////////////////// |
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class plUnifiedTime; |
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class plAudioFileReader; |
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class plSoundBuffer : public hsKeyedObject |
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{ |
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public: |
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plSoundBuffer(); |
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plSoundBuffer( const char *fileName, UInt32 flags = 0 ); |
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~plSoundBuffer(); |
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CLASSNAME_REGISTER( plSoundBuffer ); |
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GETINTERFACE_ANY( plSoundBuffer, hsKeyedObject ); |
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LINK(plSoundBuffer) link; |
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enum Flags |
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{ |
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kIsExternal = 0x0001, |
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kAlwaysExternal = 0x0002, |
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kOnlyLeftChannel = 0x0004, |
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kOnlyRightChannel = 0x0008, |
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kStreamCompressed = 0x0010, |
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}; |
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enum ELoadReturnVal |
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{ |
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kSuccess, |
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kError, |
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kPending, |
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}; |
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void RoundDataPos( UInt32 &pos ); |
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virtual void Read( hsStream *s, hsResMgr *mgr ); |
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virtual void Write( hsStream *s, hsResMgr *mgr ); |
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plWAVHeader &GetHeader( void ) { return fHeader; } |
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UInt32 GetDataLength( void ) const { return fDataLength; } |
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void SetDataLength(unsigned length) { fDataLength = length; } |
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void *GetData( void ) const { return fData; } |
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const char *GetFileName( void ) const { return fFileName; } |
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hsBool IsValid( void ) const { return fValid; } |
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hsScalar GetDataLengthInSecs( void ) const; |
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void SetFileName( const char *name ); |
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hsBool HasFlag( UInt32 flag ) { return ( fFlags & flag ) ? true : false; } |
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void SetFlag( UInt32 flag, hsBool yes = true ) { if( yes ) fFlags |= flag; else fFlags &= ~flag; } |
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// Must be called until return value is kSuccess. starts an asynchronous load first time called. returns kSuccess when finished. |
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ELoadReturnVal AsyncLoad( plAudioFileReader::StreamType type, unsigned length = 0 ); |
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void UnLoad( ); |
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plAudioCore::ChannelSelect GetReaderSelect( void ) const; |
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static void Init(); |
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static void Shutdown(); |
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plAudioFileReader * GetAudioReader(); // transfers ownership to caller |
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void SetAudioReader(plAudioFileReader *reader); |
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void SetLoaded(bool loaded); |
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plAudioFileReader::StreamType GetAudioReaderType() { return fStreamType; } |
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unsigned GetAsyncLoadLength() { return fAsyncLoadLength ? fAsyncLoadLength : fDataLength; } |
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// for plugins only |
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void SetInternalData( plWAVHeader &header, UInt32 length, UInt8 *data ); |
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ELoadReturnVal EnsureInternal( ); |
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void SetError() { fError = true; } |
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protected: |
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// plSoundBuffers can be two ways--they can either have a filename and no |
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// data, in which case they reference a file in the sfx folder, or they |
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// can store the data directly |
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void IInitBuffer(); |
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hsBool IGrabHeaderInfo( void ); |
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void IAddBuffers( void *base, void *toAdd, UInt32 lengthInBytes, UInt8 bitsPerSample ); |
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void IGetFullPath( char *destStr ); |
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UInt32 fFlags; |
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hsBool fValid; |
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UInt32 fDataRead; |
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char *fFileName; |
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bool fLoaded; |
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bool fLoading; |
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bool fError; |
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plAudioFileReader * fReader; |
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UInt8 * fData; |
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plWAVHeader fHeader; |
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UInt32 fDataLength; |
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UInt32 fAsyncLoadLength; |
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plAudioFileReader::StreamType fStreamType; |
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// for plugins only |
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plAudioFileReader *IGetReader( hsBool fullpath ); |
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}; |
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#endif //_plSoundBuffer_h
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