00001 /******************************************************************************* 00002 The content of this file includes portions of the AUDIOKINETIC Wwise Technology 00003 released in source code form as part of the SDK installer package. 00004 00005 Commercial License Usage 00006 00007 Licensees holding valid commercial licenses to the AUDIOKINETIC Wwise Technology 00008 may use this file in accordance with the end user license agreement provided 00009 with the software or, alternatively, in accordance with the terms contained in a 00010 written agreement between you and Audiokinetic Inc. 00011 00012 Apache License Usage 00013 00014 Alternatively, this file may be used under the Apache License, Version 2.0 (the 00015 "Apache License"); you may not use this file except in compliance with the 00016 Apache License. You may obtain a copy of the Apache License at 00017 http://www.apache.org/licenses/LICENSE-2.0. 00018 00019 Unless required by applicable law or agreed to in writing, software distributed 00020 under the Apache License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES 00021 OR CONDITIONS OF ANY KIND, either express or implied. See the Apache License for 00022 the specific language governing permissions and limitations under the License. 00023 00024 Version: <VERSION> Build: <BUILDNUMBER> 00025 Copyright (c) <COPYRIGHTYEAR> Audiokinetic Inc. 00026 *******************************************************************************/ 00027 00035 00036 #ifndef _AK_STREAM_MGR_MODULE_H_ 00037 #define _AK_STREAM_MGR_MODULE_H_ 00038 00039 #include <AK/SoundEngine/Common/IAkStreamMgr.h> 00040 #include <AK/Tools/Common/AkPlatformFuncs.h> 00041 00043 00044 00045 00046 00047 00048 00049 00050 struct AkStreamMgrSettings 00051 { 00052 AkUInt32 uMemorySize; 00053 00054 00055 00056 00057 00058 00059 00060 }; 00061 00067 struct AkDeviceSettings 00068 { 00069 void * pIOMemory; 00070 00071 00072 AkUInt32 uIOMemorySize; 00073 AkUInt32 uIOMemoryAlignment; 00074 AkMemPoolAttributes ePoolAttributes; 00075 AkUInt32 uGranularity; 00076 AkUInt32 uSchedulerTypeFlags; 00077 AkThreadProperties threadProperties; 00078 AkReal32 fTargetAutoStmBufferLength; 00079 AkUInt32 uMaxConcurrentIO; 00080 bool bUseStreamCache; 00081 AkUInt32 uMaxCachePinnedBytes; 00082 }; 00083 00085 00088 #define AK_SCHEDULER_BLOCKING (0x01) 00089 00090 00091 00092 #define AK_SCHEDULER_DEFERRED_LINED_UP (0x02) 00093 00097 struct AkFileDesc 00098 { 00099 AkInt64 iFileSize; 00100 AkUInt32 uSector; 00101 00102 00103 00104 AkUInt32 uCustomParamSize; 00105 void * pCustomParam; 00106 AkFileHandle hFile; 00107 AkDeviceID deviceID; 00108 }; 00109 00112 struct AkIOTransferInfo 00113 { 00114 AkUInt64 uFilePosition; 00115 AkUInt32 uBufferSize; 00116 AkUInt32 uRequestedSize; 00117 }; 00118 00119 struct AkAsyncIOTransferInfo; 00129 AK_CALLBACK( void, AkIOCallback )( 00130 AkAsyncIOTransferInfo * in_pTransferInfo, 00131 AKRESULT in_eResult 00132 ); 00133 00139 struct AkAsyncIOTransferInfo : public AkIOTransferInfo 00140 { 00141 void * pBuffer; 00142 AkIOCallback pCallback; 00143 void * pCookie; 00144 void * pUserData; 00145 }; 00146 00154 struct AkIoHeuristics 00155 { 00156 AkReal32 fDeadline; 00157 AkPriority priority; 00158 }; 00159 00160 00161 00163 00164 namespace AK 00165 { 00166 // Audiokinetic Stream Manager's implementation-specific interfaces of the Low-Level IO submodule. 00167 namespace StreamMgr 00168 { 00170 class IAkLowLevelIOHook 00171 { 00172 protected: 00174 virtual ~IAkLowLevelIOHook(){} 00175 00176 public: 00179 virtual AKRESULT Close( 00180 AkFileDesc & in_fileDesc 00181 ) = 0; 00182 00205 virtual AkUInt32 GetBlockSize( 00206 AkFileDesc & in_fileDesc 00207 ) = 0; 00208 00212 virtual void GetDeviceDesc( 00213 AkDeviceDesc & out_deviceDesc 00214 ) = 0; 00215 00223 virtual AkUInt32 GetDeviceData() = 0; 00224 }; 00225 00230 class IAkIOHookBlocking : public IAkLowLevelIOHook 00231 { 00232 protected: 00234 virtual ~IAkIOHookBlocking(){} 00235 00236 public: 00237 00249 virtual AKRESULT Read( 00250 AkFileDesc & in_fileDesc, 00251 const AkIoHeuristics & in_heuristics, 00252 void * out_pBuffer, 00253 AkIOTransferInfo & in_transferInfo 00254 ) = 0; 00255 00266 virtual AKRESULT Write( 00267 AkFileDesc & in_fileDesc, 00268 const AkIoHeuristics & in_heuristics, 00269 void * in_pData, 00270 AkIOTransferInfo & io_transferInfo 00271 ) = 0; 00272 }; 00273 00290 class IAkIOHookDeferred : public IAkLowLevelIOHook 00291 { 00292 protected: 00294 virtual ~IAkIOHookDeferred(){} 00295 00296 public: 00297 00316 virtual AKRESULT Read( 00317 AkFileDesc & in_fileDesc, 00318 const AkIoHeuristics & in_heuristics, 00319 AkAsyncIOTransferInfo & io_transferInfo 00320 ) = 0; 00321 00340 virtual AKRESULT Write( 00341 AkFileDesc & in_fileDesc, 00342 const AkIoHeuristics & in_heuristics, 00343 AkAsyncIOTransferInfo & io_transferInfo 00344 ) = 0; 00345 00379 virtual void Cancel( 00380 AkFileDesc & in_fileDesc, 00381 AkAsyncIOTransferInfo & io_transferInfo, 00382 bool & io_bCancelAllTransfersForThisFile 00383 ) = 0; 00384 }; 00385 00401 class IAkFileLocationResolver 00402 { 00403 protected: 00405 virtual ~IAkFileLocationResolver(){} 00406 00407 public: 00408 00450 virtual AKRESULT Open( 00451 const AkOSChar* in_pszFileName, 00452 AkOpenMode in_eOpenMode, 00453 AkFileSystemFlags * in_pFlags, 00454 bool & io_bSyncOpen, 00455 AkFileDesc & io_fileDesc 00456 ) = 0; 00457 00501 virtual AKRESULT Open( 00502 AkFileID in_fileID, 00503 AkOpenMode in_eOpenMode, 00504 AkFileSystemFlags * in_pFlags, 00505 bool & io_bSyncOpen, 00506 AkFileDesc & io_fileDesc 00507 ) = 0; 00508 }; 00509 00511 00512 00513 00514 00515 00516 00517 00518 00519 00520 00521 00522 00523 AK_EXTERNAPIFUNC( IAkStreamMgr *, Create )( 00524 const AkStreamMgrSettings & in_settings 00525 ); 00526 00532 AK_EXTERNAPIFUNC( void, GetDefaultSettings )( 00533 AkStreamMgrSettings & out_settings 00534 ); 00535 00540 AK_EXTERNAPIFUNC( IAkFileLocationResolver *, GetFileLocationResolver )(); 00541 00545 AK_EXTERNAPIFUNC( void, SetFileLocationResolver )( 00546 IAkFileLocationResolver * in_pFileLocationResolver 00547 ); 00548 00555 AK_EXTERNAPIFUNC( AkMemPoolId, GetPoolID )(); 00556 00558 00560 00561 00562 00563 00564 00565 00566 00567 00568 00569 00570 00571 00572 00573 00574 00575 00576 00577 00578 00579 00580 00581 AK_EXTERNAPIFUNC( AkDeviceID, CreateDevice )( 00582 const AkDeviceSettings & in_settings, 00583 IAkLowLevelIOHook * in_pLowLevelHook 00584 ); 00588 AK_EXTERNAPIFUNC( AKRESULT, DestroyDevice )( 00589 AkDeviceID in_deviceID 00590 ); 00591 00598 AK_EXTERNAPIFUNC( void, GetDefaultDeviceSettings )( 00599 AkDeviceSettings & out_settings 00600 ); 00602 00604 00605 00606 00607 00608 00609 00610 00611 00612 00613 00614 00615 00616 00617 00618 AK_EXTERNAPIFUNC( AKRESULT, SetCurrentLanguage )( 00619 const AkOSChar * in_pszLanguageName 00620 ); 00621 00629 AK_EXTERNAPIFUNC( const AkOSChar *, GetCurrentLanguage )(); 00630 00638 AK_CALLBACK( void, AkLanguageChangeHandler )( 00639 const AkOSChar * const in_pLanguageName, 00640 void * in_pCookie 00641 ); 00642 00649 AK_EXTERNAPIFUNC( AKRESULT, AddLanguageChangeObserver )( 00650 AkLanguageChangeHandler in_handler, 00651 void * in_pCookie 00652 ); 00653 00660 AK_EXTERNAPIFUNC( void, RemoveLanguageChangeObserver )( 00661 void * in_pCookie 00662 ); 00663 00665 00666 00667 00668 00669 00670 AK_EXTERNAPIFUNC( void, FlushAllCaches )(); 00671 00673 } 00674 } 00675 00676 #endif //_AK_STREAM_MGR_MODULE_H_
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