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/*************************************************************************** |
/*************************************************************************** |
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* * |
* * |
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* libgig - C++ cross-platform Gigasampler format file loader library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Christian Schoenebeck * |
* Copyright (C) 2003-2013 by Christian Schoenebeck * |
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* <cuse@users.sourceforge.net> * |
* <cuse@users.sourceforge.net> * |
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* * |
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* This program is part of libgig. * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* 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 * |
* it under the terms of the GNU General Public License as published by * |
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#include <iostream> |
#include <iostream> |
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#include <cstdlib> |
#include <cstdlib> |
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#include <string.h> |
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#include <string> |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <sys/stat.h> |
#include <sys/stat.h> |
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#include <dirent.h> |
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#include <errno.h> |
#include <errno.h> |
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#include <dlfcn.h> |
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#include <audiofile.h> |
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#include "gig.h" |
#include "gig.h" |
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#ifdef _MSC_VER |
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#define S_ISDIR(x) (S_IFDIR & (x)) |
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#define S_IWUSR S_IWRITE |
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#define S_IXUSR S_IEXEC |
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#endif |
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#if POSIX |
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# include <dlfcn.h> |
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#endif |
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// only libsndfile is available for Windows, so we use that for writing the sound files |
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#ifdef WIN32 |
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# define HAVE_SNDFILE 1 |
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#endif // WIN32 |
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// abort compilation here if neither libsndfile nor libaudiofile are available |
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#if !HAVE_SNDFILE && !HAVE_AUDIOFILE |
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# error "Neither libsndfile nor libaudiofile seem to be available!" |
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# error "(HAVE_SNDFILE and HAVE_AUDIOFILE are both false)" |
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#endif |
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// we prefer libsndfile before libaudiofile |
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#if HAVE_SNDFILE |
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# include <sndfile.h> |
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#else |
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# include <audiofile.h> |
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#endif // HAVE_SNDFILE |
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using namespace std; |
using namespace std; |
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typedef map<unsigned int, bool> OrderMap; |
typedef map<unsigned int, bool> OrderMap; |
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OrderMap* pOrderedSamples = NULL; |
OrderMap* pOrderedSamples = NULL; |
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string Revision(); |
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void PrintVersion(); |
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void PrintUsage(); |
void PrintUsage(); |
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void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered); |
void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered); |
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int writeWav(const char* filename, void* samples, long samplecount, int channels, int bitdepth, long rate); |
int writeWav(gig::Sample* sample, const char* filename, void* samples, long samplecount, int channels, int bitdepth, long rate); |
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string ToString(int i); |
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#if !HAVE_SNDFILE // use libaudiofile |
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void* hAFlib; // handle to libaudiofile |
void* hAFlib; // handle to libaudiofile |
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void openAFlib(void); |
void openAFlib(void); |
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void closeAFlib(void); |
void closeAFlib(void); |
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int(*_afWriteFrames)(AFfilehandle,int,const void*,int); |
int(*_afWriteFrames)(AFfilehandle,int,const void*,int); |
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AFfilehandle(*_afOpenFile)(const char*,const char*,AFfilesetup); |
AFfilehandle(*_afOpenFile)(const char*,const char*,AFfilesetup); |
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int(*_afCloseFile)(AFfilehandle file); |
int(*_afCloseFile)(AFfilehandle file); |
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string ToString(int i); |
#endif // !HAVE_SNDFILE |
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int main(int argc, char *argv[]) { |
int main(int argc, char *argv[]) { |
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if (argc >= 2) { |
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if (argv[1][0] == '-') { |
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switch (argv[1][1]) { |
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case 'v': |
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PrintVersion(); |
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return EXIT_SUCCESS; |
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} |
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} |
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} |
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if (argc < 3) { |
if (argc < 3) { |
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PrintUsage(); |
PrintUsage(); |
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return EXIT_FAILURE; |
return EXIT_FAILURE; |
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return EXIT_FAILURE; |
return EXIT_FAILURE; |
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} |
} |
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fclose(hFile); |
fclose(hFile); |
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DIR* dir = opendir(argv[2]); |
struct stat buf; |
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if (!dir) { |
if (stat(argv[2], &buf) == -1) { |
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cout << "Unable to open DESTDIR: "; |
cout << "Unable to open DESTDIR: "; |
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switch (errno) { |
switch (errno) { |
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case EACCES: cout << "Permission denied." << endl; |
case EACCES: cout << "Permission denied." << endl; |
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break; |
break; |
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case EMFILE: cout << "Too many file descriptors in use by process." << endl; |
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break; |
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case ENFILE: cout << "Too many files are currently open in the system." << endl; |
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break; |
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case ENOENT: cout << "Directory does not exist, or name is an empty string." << endl; |
case ENOENT: cout << "Directory does not exist, or name is an empty string." << endl; |
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break; |
break; |
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case ENOMEM: cout << "Insufficient memory to complete the operation." << endl; |
case ENOMEM: cout << "Insufficient memory to complete the operation." << endl; |
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default: cout << "Unknown error" << endl; |
default: cout << "Unknown error" << endl; |
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} |
} |
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return EXIT_FAILURE; |
return EXIT_FAILURE; |
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} else if (!S_ISDIR(buf.st_mode)) { |
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cout << "Unable to open DESTDIR: Is not a directory." << endl; |
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return EXIT_FAILURE; |
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} else if (!(S_IWUSR & buf.st_mode) || !(S_IXUSR & buf.st_mode)) { |
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cout << "Unable to open DESTDIR: Permission denied." << endl; |
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return EXIT_FAILURE; |
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} |
} |
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if (dir) closedir(dir); |
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try { |
try { |
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RIFF::File* riff = new RIFF::File(argv[1]); |
RIFF::File* riff = new RIFF::File(argv[1]); |
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gig::File* gig = new gig::File(riff); |
gig::File* gig = new gig::File(riff); |
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return EXIT_SUCCESS; |
return EXIT_SUCCESS; |
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} |
} |
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static std::string getLoopTypeText(gig::loop_type_t type) { |
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switch (type) { |
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case gig::loop_type_normal: |
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return "normal"; |
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case gig::loop_type_bidirectional: |
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return "pingpong"; |
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case gig::loop_type_backward: |
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return "backward"; |
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default: |
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return "INVALID"; |
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} |
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} |
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void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) { |
void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) { |
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#if !HAVE_SNDFILE // use libaudiofile |
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hAFlib = NULL; |
hAFlib = NULL; |
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openAFlib(); |
openAFlib(); |
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#endif // !HAVE_SNDFILE |
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uint8_t* pWave = NULL; |
uint8_t* pWave = NULL; |
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int* pIntWave = NULL; |
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long BufferSize = 0; |
long BufferSize = 0; |
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int samples = 0; |
int samples = 0; |
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gig::buffer_t decompressionBuffer; |
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decompressionBuffer.Size = 0; |
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cout << "Seeking for available samples..." << flush; |
cout << "Seeking for available samples..." << flush; |
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gig::Sample* pSample = gig->GetFirstSample(); |
gig::Sample* pSample = gig->GetFirstSample(); |
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cout << "OK" << endl << flush; |
cout << "OK" << endl << flush; |
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filename += ".wav"; |
filename += ".wav"; |
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if (pSample->Compressed) cout << "Decompressing "; |
if (pSample->Compressed) cout << "Decompressing "; |
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else cout << "Extracting "; |
else cout << "Extracting "; |
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cout << "Sample " << samples << ") " << name << " (" << pSample->BitDepth <<"Bits, " << pSample->SamplesPerSecond << "Hz, " << pSample->Channels << " Channels, " << pSample->SamplesTotal << " Samples)..." << flush; |
cout << "Sample " << samples << ") " << name << " (" << pSample->BitDepth <<"Bits, " << pSample->SamplesPerSecond << "Hz, " << pSample->Channels << " Channels, " << pSample->SamplesTotal << " Samples"; |
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if (pSample->Loops > 0) { |
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cout << ", LoopType " << getLoopTypeText(pSample->LoopType) |
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<< ", LoopStart " << pSample->LoopStart |
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<< ", LoopEnd " << pSample->LoopEnd; |
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} |
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cout << ")..." << flush; |
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#if USE_DISK_STREAMING |
#if USE_DISK_STREAMING |
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if (pSample->Compressed) { // hack |
long neededsize = pSample->BitDepth == 24 ? |
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pSample->BitDepth = 16; |
pSample->SamplesTotal * pSample->Channels * sizeof(int) : |
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pSample->FrameSize = 4; |
pSample->SamplesTotal * pSample->FrameSize; |
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} |
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long neededsize = (pSample->Compressed) ? 10485760 /* 10 MB buffer */ |
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: pSample->SamplesTotal * pSample->FrameSize; |
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if (BufferSize < neededsize) { |
if (BufferSize < neededsize) { |
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if (pWave) delete[] pWave; |
if (pWave) delete[] pWave; |
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pWave = new uint8_t[neededsize]; |
pWave = new uint8_t[neededsize]; |
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BufferSize = neededsize; |
BufferSize = neededsize; |
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} |
} |
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pIntWave = (int*)pWave; |
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# if HASHED_READS_TEST |
# if HASHED_READS_TEST |
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unsigned long readsamples = 0, |
unsigned long readinthisrun = 0, |
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readinthisrun = 0, |
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samplepiecesize = 2000; |
samplepiecesize = 2000; |
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uint8_t* pSamplePiece = pWave; |
uint8_t* pSamplePiece = pWave; |
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do { // we read the sample in small pieces and increment the size with each run just to test streaming capability |
do { // we read the sample in small pieces and increment the size with each run just to test streaming capability |
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readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize); |
readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize); |
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pSamplePiece += readinthisrun * pSample->FrameSize; |
pSamplePiece += readinthisrun * pSample->FrameSize; |
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readsamples += readinthisrun; |
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} while (readinthisrun == samplepiecesize); |
} while (readinthisrun == samplepiecesize); |
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if (pSample->Compressed) { // hack |
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pSample->SamplesTotal = readsamples; |
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} |
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# else // read in one piece |
# else // read in one piece |
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if (pSample->Compressed) { |
if (pSample->Compressed) { |
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pSample->SamplesTotal = pSample->Read(pWave, 10485760 >> 2); // assumes 16 bit stereo |
if (decompressionBufferSize < pSample->SamplesTotal) { |
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} |
gig::Sample::DestroyDecompressionBuffer(decompressionBuffer); |
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else { |
decompressionBuffer = gig::Sample::CreateDecompressionBuffer(pSample->SamplesTotal); |
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decompressionBufferSize = pSample->SamplesTotal; |
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} |
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pSample->Read(pWave, pSample->SamplesTotal, &decompressionBuffer); |
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} else { |
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pSample->Read(pWave, pSample->SamplesTotal); |
pSample->Read(pWave, pSample->SamplesTotal); |
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} |
} |
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# endif // HASHED_READS_TEST |
# endif // HASHED_READS_TEST |
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#else // no disk streaming |
#else // no disk streaming |
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if (pSample->Compressed) { |
if (pSample->Compressed) { |
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cout << "Sorry, sample is compressed and Sample::LoadSampleData() has no decompression routine yet! - Solution: set USE_DISK_STREAMING in gigextract.cpp (line 29) to 1 and recompile!" << endl; |
cout << "Sorry, sample is compressed and Sample::LoadSampleData() only decompresses the beginning of the sample - Solution: set USE_DISK_STREAMING in gigextract.cpp (line 32) to 1 and recompile!" << endl; |
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} else { |
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gig::buffer_t buffer = pSample->LoadSampleData(); // load wave into RAM |
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pWave = static_cast<uint8_t*>(buffer.pStart); |
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if (pSample->BitDepth == 24) { |
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long neededsize = pSample->SamplesTotal * pSample->Channels; |
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if (BufferSize < neededsize) { |
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if (pIntWave) delete[] pIntWave; |
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pIntWave = new int[neededsize]; |
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BufferSize = neededsize; |
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} |
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} |
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} |
} |
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else pWave = (uint8_t*) pSample->LoadSampleData(); // load wave into RAM |
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#endif // USE_DISK_STREAMING |
#endif // USE_DISK_STREAMING |
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if (pWave) { |
if (pWave) { |
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int res = writeWav(filename.c_str(), |
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pWave, |
// Both libsndfile and libaudiofile uses int for 24 bit |
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// samples. libgig however returns 3 bytes per sample, so |
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// we have to convert the wave data before writing. |
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if (pSample->BitDepth == 24) { |
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int n = pSample->SamplesTotal * pSample->Channels; |
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for (int i = n - 1 ; i >= 0 ; i--) { |
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#if HAVE_SNDFILE |
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pIntWave[i] = pWave[i * 3] << 8 | pWave[i * 3 + 1] << 16 | pWave[i * 3 + 2] << 24; |
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#else |
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pIntWave[i] = pWave[i * 3] | pWave[i * 3 + 1] << 8 | pWave[i * 3 + 2] << 16; |
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#endif |
301 |
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} |
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} |
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int res = writeWav(pSample, |
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filename.c_str(), |
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pSample->BitDepth == 24 ? static_cast<void*>(pIntWave) : pWave, |
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pSample->SamplesTotal, |
pSample->SamplesTotal, |
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pSample->Channels, |
pSample->Channels, |
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pSample->BitDepth, |
pSample->BitDepth, |
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pSample = gig->GetNextSample(); |
pSample = gig->GetNextSample(); |
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} |
} |
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if (pWave) delete[] (uint8_t*) pWave; |
gig::Sample::DestroyDecompressionBuffer(decompressionBuffer); |
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#if USE_DISK_STREAMING |
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if (pWave) delete[] pWave; |
322 |
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#else |
323 |
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if (pIntWave) delete[] pIntWave; |
324 |
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#endif |
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#if !HAVE_SNDFILE // use libaudiofile |
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closeAFlib(); |
closeAFlib(); |
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#endif // !HAVE_SNDFILE |
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} |
} |
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int writeWav(const char* filename, void* samples, long samplecount, int channels, int bitdepth, long rate) { |
int writeWav(gig::Sample* sample, const char* filename, void* samples, long samplecount, int channels, int bitdepth, long rate) { |
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#if HAVE_SNDFILE |
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SNDFILE* hfile; |
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SF_INFO sfinfo; |
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SF_INSTRUMENT instr; |
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int format = SF_FORMAT_WAV; |
336 |
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switch (bitdepth) { |
337 |
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case 8: |
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format |= SF_FORMAT_PCM_S8; |
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break; |
340 |
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case 16: |
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format |= SF_FORMAT_PCM_16; |
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break; |
343 |
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case 24: |
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format |= SF_FORMAT_PCM_24; |
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break; |
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case 32: |
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format |= SF_FORMAT_PCM_32; |
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break; |
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default: |
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cerr << "Error: Bithdepth " << ToString(bitdepth) << " not supported by libsndfile, ignoring sample!\n" << flush; |
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return -1; |
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} |
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memset(&sfinfo, 0, sizeof (sfinfo)); |
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memset(&instr, 0, sizeof (instr)); |
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sfinfo.samplerate = rate; |
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sfinfo.frames = samplecount; |
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sfinfo.channels = channels; |
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sfinfo.format = format; |
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if (!(hfile = sf_open(filename, SFM_WRITE, &sfinfo))) { |
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cerr << "Error: Unable to open output file \'" << filename << "\'.\n" << flush; |
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return -1; |
362 |
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} |
363 |
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instr.basenote = sample->MIDIUnityNote; |
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instr.detune = sample->FineTune; |
365 |
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if (sample->Loops > 0) { |
366 |
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instr.loop_count = 1; |
367 |
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switch (sample->LoopType) { |
368 |
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case gig::loop_type_normal: |
369 |
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instr.loops[0].mode = SF_LOOP_FORWARD; |
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break; |
371 |
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case gig::loop_type_bidirectional: |
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instr.loops[0].mode = SF_LOOP_ALTERNATING; |
373 |
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break; |
374 |
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case gig::loop_type_backward: |
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instr.loops[0].mode = SF_LOOP_BACKWARD; |
376 |
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break; |
377 |
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default: |
378 |
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instr.loops[0].mode = SF_LOOP_NONE; |
379 |
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break; |
380 |
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} |
381 |
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instr.loops[0].start = sample->LoopStart; |
382 |
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instr.loops[0].end = sample->LoopEnd; |
383 |
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instr.loops[0].count = sample->LoopPlayCount; |
384 |
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} |
385 |
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sf_command(hfile, SFC_SET_INSTRUMENT, &instr, sizeof(instr)); |
386 |
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sf_count_t res = bitdepth == 24 ? |
387 |
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sf_write_int(hfile, static_cast<int*>(samples), channels * samplecount) : |
388 |
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sf_write_short(hfile, static_cast<short*>(samples), channels * samplecount); |
389 |
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if (res != channels * samplecount) { |
390 |
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cerr << sf_strerror(hfile) << endl << flush; |
391 |
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sf_close(hfile); |
392 |
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return -1; |
393 |
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} |
394 |
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sf_close(hfile); |
395 |
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#else // use libaudiofile |
396 |
AFfilesetup setup = _afNewFileSetup(); |
AFfilesetup setup = _afNewFileSetup(); |
397 |
_afInitFileFormat(setup, AF_FILE_WAVE); |
_afInitFileFormat(setup, AF_FILE_WAVE); |
398 |
_afInitChannels(setup, AF_DEFAULT_TRACK, channels); |
_afInitChannels(setup, AF_DEFAULT_TRACK, channels); |
404 |
if (_afWriteFrames(hFile, AF_DEFAULT_TRACK, samples, samplecount) < 0) return -1; |
if (_afWriteFrames(hFile, AF_DEFAULT_TRACK, samples, samplecount) < 0) return -1; |
405 |
_afCloseFile(hFile); |
_afCloseFile(hFile); |
406 |
_afFreeFileSetup(setup); |
_afFreeFileSetup(setup); |
407 |
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#endif // HAVE_SNDFILE |
408 |
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|
409 |
return 0; |
return 0; // success |
410 |
} |
} |
411 |
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412 |
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#if !HAVE_SNDFILE // use libaudiofile |
413 |
void openAFlib() { |
void openAFlib() { |
414 |
hAFlib = dlopen("libaudiofile.so", RTLD_NOW); |
hAFlib = dlopen("libaudiofile.so", RTLD_NOW); |
415 |
if (!hAFlib) { |
if (!hAFlib) { |
431 |
void closeAFlib() { |
void closeAFlib() { |
432 |
if (hAFlib) dlclose(hAFlib); |
if (hAFlib) dlclose(hAFlib); |
433 |
} |
} |
434 |
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#endif // !HAVE_SNDFILE |
435 |
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436 |
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string Revision() { |
437 |
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string s = "$Revision: 1.12 $"; |
438 |
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return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
439 |
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} |
440 |
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441 |
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void PrintVersion() { |
442 |
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cout << "gigextract revision " << Revision() << endl; |
443 |
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cout << "using " << gig::libraryName() << " " << gig::libraryVersion(); |
444 |
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#if HAVE_SNDFILE |
445 |
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char versionBuffer[128]; |
446 |
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sf_command(NULL, SFC_GET_LIB_VERSION, versionBuffer, 128); |
447 |
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cout << ", " << versionBuffer; |
448 |
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#else // use libaudiofile |
449 |
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cout << "\nbuilt against libaudiofile " |
450 |
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<< LIBAUDIOFILE_MAJOR_VERSION << "." << LIBAUDIOFILE_MINOR_VERSION; |
451 |
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# ifdef LIBAUDIOFILE_MICRO_VERSION |
452 |
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cout << "." << LIBAUDIOFILE_MICRO_VERSION; |
453 |
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# endif // LIBAUDIOFILE_MICRO_VERSION |
454 |
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#endif // HAVE_SNDFILE |
455 |
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cout << endl; |
456 |
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} |
457 |
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|
458 |
void PrintUsage() { |
void PrintUsage() { |
459 |
cout << "gigextract - extracts samples from a Gigasampler file." << endl; |
cout << "gigextract - extracts samples from a Gigasampler file." << endl; |
460 |
cout << endl; |
cout << endl; |
461 |
cout << "Usage: gigextract GIGFILE DESTDIR [SAMPLENR] [ [SAMPLENR] ...]" << endl; |
cout << "Usage: gigextract [-v] GIGFILE DESTDIR [SAMPLENR] [ [SAMPLENR] ...]" << endl; |
462 |
cout << endl; |
cout << endl; |
463 |
cout << " GIGFILE Input Gigasampler (.gig) file." << endl; |
cout << " GIGFILE Input Gigasampler (.gig) file." << endl; |
464 |
cout << endl; |
cout << endl; |
468 |
cout << " If no sample indices are given, all samples will be extracted" << endl; |
cout << " If no sample indices are given, all samples will be extracted" << endl; |
469 |
cout << " (use gigdump to look for available samples)." << endl; |
cout << " (use gigdump to look for available samples)." << endl; |
470 |
cout << endl; |
cout << endl; |
471 |
|
cout << " -v Print version and exit." << endl; |
472 |
|
cout << endl; |
473 |
} |
} |
474 |
|
|
475 |
string ToString(int i) { |
string ToString(int i) { |