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92 lines
3.9 KiB
C++
92 lines
3.9 KiB
C++
/***************************************************************************************
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Decompress - Sample 1
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Copyright (C) 2000-2001 by Matthew T. Ashland All Rights Reserved.
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Feel free to use this code in any way that you like.
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This example illustrates using MACDLib.lib and the simple IAPESimple class to verify
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or decompress a file. (verify and decompress work the same, except that verify doesn't
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have an output file) Also, shows how to use a callback to display the progress.
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General Notes:
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-the terminology "Sample" refers to a single sample value, and "Block" refers
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to a collection of "Channel" samples. For simplicity, MAC typically uses blocks
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everywhere so that channel mis-alignment cannot happen.
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Notes for use in a new project:
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-you need to include "MACLib.lib" in the included libraries list
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-life will be easier if you set the [MAC SDK]\\Shared directory as an include
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directory and an additional library input path in the project settings
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-set the runtime library to "Mutlithreaded"
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WARNING:
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-This class driven system for using Monkey's Audio is still in development, so
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I can't make any guarantees that the classes and libraries won't change before
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everything gets finalized. Use them at your own risk.
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***************************************************************************************/
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// includes
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#include <windows.h>
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#include "stdio.h"
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#include "all.h"
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#include "maclib.h"
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// global variables (evil... but alright for a simple sample)
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unsigned __int32 g_nInitialTickCount;
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/***************************************************************************************
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Progress callback
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***************************************************************************************/
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void CALLBACK ProgressCallback(int nPercentageDone)
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{
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double dProgress = double(nPercentageDone) / 1000;
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double dElapsedMS = (GetTickCount() - g_nInitialTickCount);
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double dSecondsRemaining = (((dElapsedMS * 100) / dProgress) - dElapsedMS) / 1000;
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printf("Progress: %.1f%% (%.1f seconds remaining) \r", dProgress, dSecondsRemaining);
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}
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/***************************************************************************************
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Main (the main function)
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***************************************************************************************/
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int main(int argc, char* argv[])
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{
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///////////////////////////////////////////////////////////////////////////////
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// error check the command line parameters
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///////////////////////////////////////////////////////////////////////////////
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if (argc != 2)
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{
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printf("~~~Improper Usage~~~\n\n");
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printf("Usage Example: Sample 1.exe \"c:\\1.ape\"\n\n");
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////
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// variable declares
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///////////////////////////////////////////////////////////////////////////////
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int nPercentageDone = 0; //the percentage done... continually updated by the decoder
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int nKillFlag = 0; //the kill flag for controlling the decoder
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int nRetVal = 0; //generic holder for return values
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char * pFilename = argv[1]; //the file to open
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///////////////////////////////////////////////////////////////////////////////
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// attempt to verify the file
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///////////////////////////////////////////////////////////////////////////////
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// set the start time and display the starting message
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g_nInitialTickCount = GetTickCount();
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printf("Verifying '%s'...\n", pFilename);
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// do the verify (call unmac.dll)
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nRetVal = VerifyFile(pFilename, &nPercentageDone, ProgressCallback, &nKillFlag);
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// process the return value
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if (nRetVal == 0)
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printf("\nPassed...\n");
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else
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printf("\nFailed (error: %d)\n", nRetVal);
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///////////////////////////////////////////////////////////////////////////////
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// quit
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///////////////////////////////////////////////////////////////////////////////
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return 0;
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} |