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/*************************************************************************** |
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* * |
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* libgig - C++ cross-platform Gigasampler format file loader library * |
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* * |
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* Copyright (C) 2003-2005 by Christian Schoenebeck * |
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* <cuse@users.sourceforge.net> * |
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* * |
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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 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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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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* * |
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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, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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#ifdef HAVE_CONFIG_H |
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#include <config.h> |
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#endif |
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// just for testing the disk streaming capability of libgig; |
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// you will also need to set this to 1 at the moment if you want to |
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// extract compressed samples, as I haven't implemented the |
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// decompression algorithm in gig::Sample::LoadSampleData() yet |
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#define USE_DISK_STREAMING 1 |
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// only when USE_DISK_STREAMING is set to 1: |
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// just for testing the disk stream capability; with this option set |
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// gigextract will read the samples in smaller pieces, just to stress |
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// gig::Sample::Read() method a bit |
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#define HASHED_READS_TEST 1 |
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#include <iostream> |
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#include <cstdlib> |
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#include <string.h> |
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#include <string> |
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#include <stdlib.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <dirent.h> |
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#include <errno.h> |
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#include <dlfcn.h> |
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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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// 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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#include "gig.h" |
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using namespace std; |
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typedef map<unsigned int, bool> OrderMap; |
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OrderMap* pOrderedSamples = NULL; |
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string Revision(); |
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void PrintVersion(); |
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void PrintUsage(); |
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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); |
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string ToString(int i); |
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#ifndef HAVE_SNDFILE |
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void* hAFlib; // handle to libaudiofile |
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void openAFlib(void); |
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void closeAFlib(void); |
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// pointers to libaudiofile functions |
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AFfilesetup(*_afNewFileSetup)(void); |
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void(*_afFreeFileSetup)(AFfilesetup); |
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void(*_afInitChannels)(AFfilesetup,int,int); |
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void(*_afInitSampleFormat)(AFfilesetup,int,int,int); |
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void(*_afInitFileFormat)(AFfilesetup,int); |
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void(*_afInitRate)(AFfilesetup,int,double); |
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int(*_afWriteFrames)(AFfilehandle,int,const void*,int); |
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AFfilehandle(*_afOpenFile)(const char*,const char*,AFfilesetup); |
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int(*_afCloseFile)(AFfilehandle file); |
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#endif // !HAVE_SNDFILE |
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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) { |
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PrintUsage(); |
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return EXIT_FAILURE; |
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} |
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if (argc > 3) { // extracting specific samples |
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pOrderedSamples = new OrderMap; |
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for (int i = 3; i < argc; i++) { |
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unsigned int index = atoi(argv[i]); |
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(*pOrderedSamples)[index] = true; |
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} |
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} |
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FILE* hFile = fopen(argv[1], "r"); |
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if (!hFile) { |
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cout << "Invalid input file argument!" << endl; |
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return EXIT_FAILURE; |
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} |
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fclose(hFile); |
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DIR* dir = opendir(argv[2]); |
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if (!dir) { |
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cout << "Unable to open DESTDIR: "; |
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switch (errno) { |
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case EACCES: cout << "Permission denied." << endl; |
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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; |
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break; |
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case ENOMEM: cout << "Insufficient memory to complete the operation." << endl; |
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break; |
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case ENOTDIR: cout << "Is not a directory." << endl; |
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break; |
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default: cout << "Unknown error" << endl; |
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} |
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return EXIT_FAILURE; |
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} |
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if (dir) closedir(dir); |
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try { |
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RIFF::File* riff = new RIFF::File(argv[1]); |
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gig::File* gig = new gig::File(riff); |
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cout << "Extracting samples from \"" << argv[1] << "\" to directory \"" << argv[2] << "\"." << endl << flush; |
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ExtractSamples(gig, argv[2], pOrderedSamples); |
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cout << "Extraction finished." << endl << flush; |
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delete gig; |
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delete riff; |
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if (pOrderedSamples) delete pOrderedSamples; |
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} |
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catch (RIFF::Exception e) { |
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e.PrintMessage(); |
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return EXIT_FAILURE; |
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} |
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catch (...) { |
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cout << "Unknown exception while trying to parse file." << endl; |
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return EXIT_FAILURE; |
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} |
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return EXIT_SUCCESS; |
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} |
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void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) { |
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#ifndef HAVE_SNDFILE |
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hAFlib = NULL; |
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openAFlib(); |
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#endif // !HAVE_SNDFILE |
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uint8_t* pWave = NULL; |
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long BufferSize = 0; |
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int samples = 0; |
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cout << "Seeking for available samples..." << flush; |
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gig::Sample* pSample = gig->GetFirstSample(); |
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cout << "OK" << endl << flush; |
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while (pSample) { |
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samples++; |
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if (ordered) { |
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if ((*ordered)[samples] == false) { |
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pSample = gig->GetNextSample(); |
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continue; |
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} |
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} |
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string name = pSample->pInfo->Name; |
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string filename = destdir; |
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if (filename[filename.size() - 1] != '/') filename += "/"; |
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filename += ToString(samples); |
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filename += "_"; |
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if (name == "") { |
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name = "(NO NAME)"; |
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filename += "NONAME"; |
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} |
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else { |
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filename += name; |
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name.insert(0, "\""); |
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name += "\""; |
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} |
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filename += ".wav"; |
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if (pSample->Compressed) cout << "Decompressing "; |
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else cout << "Extracting "; |
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cout << "Sample " << samples << ") " << name << " (" << pSample->BitDepth <<"Bits, " << pSample->SamplesPerSecond << "Hz, " << pSample->Channels << " Channels, " << pSample->SamplesTotal << " Samples)..." << flush; |
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#if USE_DISK_STREAMING |
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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) { |
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if (pWave) delete[] pWave; |
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pWave = new uint8_t[neededsize]; |
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BufferSize = neededsize; |
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} |
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# if HASHED_READS_TEST |
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unsigned long readsamples = 0, |
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readinthisrun = 0, |
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samplepiecesize = 2000; |
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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 |
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readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize); |
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// 24 bit is truncated to 16 by Sample::Read at the moment |
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pSamplePiece += readinthisrun * (2 * pSample->Channels); // readinthisrun * pSample->FrameSize; |
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readsamples += readinthisrun; |
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} while (readinthisrun == samplepiecesize); |
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if (pSample->Compressed) { // hack |
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pSample->SamplesTotal = readsamples; |
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pSample->BitDepth = 16; |
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} |
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# else // read in one piece |
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if (pSample->Compressed) { |
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pSample->SamplesTotal = pSample->Read(pWave, 10485760 >> 2); // assumes 16 bit stereo |
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} |
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else { |
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pSample->Read(pWave, pSample->SamplesTotal); |
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} |
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# endif // HASHED_READS_TEST |
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#else // no disk streaming |
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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; |
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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 |
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if (pWave) { |
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int res = writeWav(filename.c_str(), |
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pWave, |
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pSample->SamplesTotal, |
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pSample->Channels, |
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pSample->BitDepth, |
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pSample->SamplesPerSecond); |
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if (res < 0) cout << "Couldn't write sample data." << endl; |
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else cout << "ok" << endl; |
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pSample->ReleaseSampleData(); // free wave from RAM |
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} |
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else cout << "Failed to load sample data." << endl; |
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pSample = gig->GetNextSample(); |
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} |
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if (pWave) delete[] (uint8_t*) pWave; |
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#ifndef HAVE_SNDFILE |
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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) { |
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#if HAVE_SNDFILE |
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SNDFILE* hfile; |
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SF_INFO sfinfo; |
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int format = SF_FORMAT_WAV; |
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switch (bitdepth) { |
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case 8: |
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format |= SF_FORMAT_PCM_S8; |
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cout << "8 bit" << endl << flush; |
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break; |
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case 16: |
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format |= SF_FORMAT_PCM_16; |
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cout << "16 bit" << endl << flush; |
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break; |
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case 24: |
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format |= SF_FORMAT_PCM_24; |
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cout << "24 bit" << endl << flush; |
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break; |
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case 32: |
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format |= SF_FORMAT_PCM_32; |
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cout << "32 bit" << endl << flush; |
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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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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; |
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} |
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if (sf_write_short(hfile, (short*)samples, channels * samplecount) != channels * samplecount) { |
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cerr << sf_strerror(hfile) << endl << flush; |
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sf_close(hfile); |
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return -1; |
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} |
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sf_close(hfile); |
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#else |
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AFfilesetup setup = _afNewFileSetup(); |
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_afInitFileFormat(setup, AF_FILE_WAVE); |
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_afInitChannels(setup, AF_DEFAULT_TRACK, channels); |
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_afInitSampleFormat(setup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, bitdepth); |
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_afInitRate(setup, AF_DEFAULT_TRACK, rate); |
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if (setup == AF_NULL_FILESETUP) return -1; |
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AFfilehandle hFile = _afOpenFile(filename, "w", setup); |
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if (hFile == AF_NULL_FILEHANDLE) return -1; |
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if (_afWriteFrames(hFile, AF_DEFAULT_TRACK, samples, samplecount) < 0) return -1; |
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_afCloseFile(hFile); |
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_afFreeFileSetup(setup); |
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#endif // HAVE_SNDFILE |
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return 0; // success |
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} |
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#ifndef HAVE_SNDFILE |
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void openAFlib() { |
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hAFlib = dlopen("libaudiofile.so", RTLD_NOW); |
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if (!hAFlib) { |
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cout << "Unable to load library libaudiofile.so: " << dlerror() << endl; |
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return; |
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} |
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_afNewFileSetup = (AFfilesetup(*)(void)) dlsym(hAFlib, "afNewFileSetup"); |
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_afFreeFileSetup = (void(*)(AFfilesetup)) dlsym(hAFlib, "afFreeFileSetup"); |
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_afInitChannels = (void(*)(AFfilesetup,int,int)) dlsym(hAFlib, "afInitChannels"); |
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_afInitSampleFormat = (void(*)(AFfilesetup,int,int,int)) dlsym(hAFlib, "afInitSampleFormat"); |
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_afInitFileFormat = (void(*)(AFfilesetup,int)) dlsym(hAFlib, "afInitFileFormat"); |
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_afInitRate = (void(*)(AFfilesetup,int,double)) dlsym(hAFlib, "afInitRate"); |
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_afWriteFrames = (int(*)(AFfilehandle,int,const void*,int)) dlsym(hAFlib, "afWriteFrames"); |
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_afOpenFile = (AFfilehandle(*)(const char*,const char*,AFfilesetup)) dlsym(hAFlib, "afOpenFile"); |
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_afCloseFile = (int(*)(AFfilehandle file)) dlsym(hAFlib, "afCloseFile"); |
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if (dlerror()) cout << "Failed to load function from libaudiofile.so: " << dlerror() << endl; |
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} |
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void closeAFlib() { |
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if (hAFlib) dlclose(hAFlib); |
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} |
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#endif // !HAVE_SNDFILE |
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| 343 |
schoenebeck |
518 |
string Revision() { |
| 344 |
schoenebeck |
549 |
string s = "$Revision: 1.6 $"; |
| 345 |
schoenebeck |
518 |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
| 346 |
|
|
} |
| 347 |
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|
| 348 |
|
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void PrintVersion() { |
| 349 |
|
|
cout << "gigextract revision " << Revision() << endl; |
| 350 |
schoenebeck |
549 |
cout << "using " << gig::libraryName() << " " << gig::libraryVersion(); |
| 351 |
|
|
#if HAVE_SNDFILE |
| 352 |
|
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char versionBuffer[128]; |
| 353 |
|
|
sf_command(NULL, SFC_GET_LIB_VERSION, versionBuffer, 128); |
| 354 |
|
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cout << ", " << versionBuffer; |
| 355 |
|
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#endif // HAVE_SNDFILE |
| 356 |
|
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cout << endl; |
| 357 |
|
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#if !HAVE_SNDFILE |
| 358 |
|
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cout << "built against libaudiofile " |
| 359 |
|
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<< LIBAUDIOFILE_MAJOR_VERSION << "." << LIBAUDIOFILE_MINOR_VERSION |
| 360 |
|
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# ifdef LIBAUDIOFILE_MICRO_VERSION |
| 361 |
|
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<< "." << LIBAUDIOFILE_MICRO_VERSION |
| 362 |
|
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# endif // LIBAUDIOFILE_MICRO_VERSION |
| 363 |
|
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<< endl; |
| 364 |
|
|
#endif // !HAVE_SNDFILE |
| 365 |
schoenebeck |
518 |
} |
| 366 |
|
|
|
| 367 |
schoenebeck |
2 |
void PrintUsage() { |
| 368 |
|
|
cout << "gigextract - extracts samples from a Gigasampler file." << endl; |
| 369 |
|
|
cout << endl; |
| 370 |
schoenebeck |
518 |
cout << "Usage: gigextract [-v] GIGFILE DESTDIR [SAMPLENR] [ [SAMPLENR] ...]" << endl; |
| 371 |
schoenebeck |
2 |
cout << endl; |
| 372 |
|
|
cout << " GIGFILE Input Gigasampler (.gig) file." << endl; |
| 373 |
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cout << endl; |
| 374 |
|
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cout << " DESTDIR Destination directory where all .wav files will be written to." << endl; |
| 375 |
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cout << endl; |
| 376 |
|
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cout << " SAMPLENR Index (/indices) of Sample(s) which should be extracted." << endl; |
| 377 |
|
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cout << " If no sample indices are given, all samples will be extracted" << endl; |
| 378 |
|
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cout << " (use gigdump to look for available samples)." << endl; |
| 379 |
|
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cout << endl; |
| 380 |
schoenebeck |
518 |
cout << " -v Print version and exit." << endl; |
| 381 |
|
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cout << endl; |
| 382 |
schoenebeck |
2 |
} |
| 383 |
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|
| 384 |
|
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string ToString(int i) { |
| 385 |
|
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static char strbuf[1024]; |
| 386 |
|
|
sprintf(strbuf,"%d",i); |
| 387 |
|
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string s = strbuf; |
| 388 |
|
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return s; |
| 389 |
|
|
} |
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