Add even more of the source

This should be about everything needed to build so far?
2017-03-07 17:14:16 -08:00 · 2017-03-07 17:14:16 -08:00 · 849723c9cf
commit 849723c9cf
parent af3619d4fa
547 changed files with 149239 additions and 0 deletions
--- a/QTFileLib/QTFile_FileControlBlock.h
+++ b/QTFileLib/QTFile_FileControlBlock.h
@ -0,0 +1,113 @@
+/*
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2008 Apple Inc.  All Rights Reserved.
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ *
+ */
+//
+// QTFile_FileControlBlock:
+//   All the per-client stuff for QTFile.
+
+
+#ifndef _QTFILE_FILECONTROLBLOCK_H_
+#define _QTFILE_FILECONTROLBLOCK_H_
+
+//
+// Includes
+#include "OSHeaders.h"
+#include "OSFileSource.h"
+
+#if DSS_USE_API_CALLBACKS
+#include "QTSS.h"
+#endif
+
+#if DSS_USE_API_CALLBACKS
+    #define FILE_SOURCE QTSS_Object
+#else
+    #define FILE_SOURCE OSFileSource
+#endif
+
+//
+// Class state cookie
+class QTFile_FileControlBlock {
+
+ public:
+    //
+    // Constructor and destructor.
+    QTFile_FileControlBlock(void);
+    virtual ~QTFile_FileControlBlock(void);
+    
+    //Sets this object to reference this file
+    void Set(char *inPath);
+        
+    //Advise: this advises the OS that we are going to be reading soon from the
+    //following position in the file
+    // void Advise(OSFileSource *dflt, UInt64 advisePos, UInt32 adviseAmt);
+    
+    Bool16 Read(FILE_SOURCE *dflt, UInt64 inPosition, void* inBuffer, UInt32 inLength);
+
+    Bool16 ReadInternal(FILE_SOURCE *dataFD, UInt64 inPosition, void* inBuffer, UInt32 inLength, UInt32 *inReadLenPtr = NULL);
+
+    //
+    // Buffer management functions
+    void AdjustDataBufferBitRate(UInt32 inUnitSizeInK = 32, UInt32 inFileBitRate = 32768, UInt32 inNumBuffSizeUnits = 0, UInt32 inMaxBitRateBuffSizeInBlocks = 8);
+    void AdjustDataBuffers(UInt32 inBlockSizeKBits = 32, UInt32 inBlockCountPerBuff = 1);
+    void EnableCacheBuffers(Bool16 enabled) {fCacheEnabled = enabled;}
+    
+    // QTSS_ErrorCode Close();
+    
+    Bool16 IsValid()
+        {
+#if DSS_USE_API_CALLBACKS
+            return fDataFD != NULL;
+#else       
+            return fDataFD.IsValid();
+#endif
+        }
+
+    
+private:
+    //
+    // File descriptor for this control block
+    FILE_SOURCE fDataFD;
+
+    enum
+    {   
+        kMaxDefaultBlocks           = 8,
+        kDataBufferUnitSizeExp      = 15,   // 32Kbytes
+        kBlockByteSize = ( 1 << kDataBufferUnitSizeExp)
+    };
+    //
+    // Data buffer cache
+    char                *fDataBufferPool;
+
+    UInt32              fDataBufferSize;
+    UInt64              fDataBufferPosStart, fDataBufferPosEnd;
+
+    char                *fCurrentDataBuffer, *fPreviousDataBuffer;
+    UInt32              fCurrentDataBufferLength, fPreviousDataBufferLength;
+    
+    UInt32              fNumBlocksPerBuff;
+    UInt32              fNumBuffs;
+    Bool16              fCacheEnabled;
+};
+
+#endif //_QTFILE_FILECONTROLBLOCK_H_