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/*************************************************************************** |
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* * |
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* libgig - C++ cross-platform Gigasampler format file access library * |
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* * |
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* Copyright (C) 2003-2007 by Christian Schoenebeck * |
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* <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 * |
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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 "gig.h" |
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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; |
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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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#if !HAVE_SNDFILE // use libaudiofile |
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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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#if !HAVE_SNDFILE // use libaudiofile |
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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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int* pIntWave = NULL; |
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long BufferSize = 0; |
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int samples = 0; |
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gig::buffer_t decompressionBuffer; |
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decompressionBuffer.Size = 0; |
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unsigned long decompressionBufferSize = 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->BitDepth == 24 ? |
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pSample->SamplesTotal * pSample->Channels * sizeof(int) : |
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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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pIntWave = (int*)pWave; |
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# if HASHED_READS_TEST |
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unsigned long 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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pSamplePiece += readinthisrun * pSample->FrameSize; |
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} while (readinthisrun == samplepiecesize); |
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# else // read in one piece |
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if (pSample->Compressed) { |
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if (decompressionBufferSize < pSample->SamplesTotal) { |
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gig::Sample::DestroyDecompressionBuffer(decompressionBuffer); |
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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); |
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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() 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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#endif // USE_DISK_STREAMING |
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if (pWave) { |
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persson |
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// 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 |
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} |
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} |
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int res = writeWav(filename.c_str(), |
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pSample->BitDepth == 24 ? static_cast<void*>(pIntWave) : 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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persson |
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gig::Sample::DestroyDecompressionBuffer(decompressionBuffer); |
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#if USE_DISK_STREAMING |
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if (pWave) delete[] pWave; |
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#else |
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if (pIntWave) delete[] pIntWave; |
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#endif |
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#if !HAVE_SNDFILE // use libaudiofile |
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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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schoenebeck |
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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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break; |
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case 16: |
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format |= SF_FORMAT_PCM_16; |
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break; |
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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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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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sf_count_t res = bitdepth == 24 ? |
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sf_write_int(hfile, static_cast<int*>(samples), channels * samplecount) : |
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sf_write_short(hfile, static_cast<short*>(samples), channels * samplecount); |
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if (res != channels * samplecount) { |
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schoenebeck |
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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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schoenebeck |
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#else // use libaudiofile |
346 |
schoenebeck |
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AFfilesetup setup = _afNewFileSetup(); |
347 |
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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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schoenebeck |
220 |
#endif // HAVE_SNDFILE |
358 |
schoenebeck |
55 |
|
359 |
schoenebeck |
220 |
return 0; // success |
360 |
schoenebeck |
2 |
} |
361 |
|
|
|
362 |
schoenebeck |
608 |
#if !HAVE_SNDFILE // use libaudiofile |
363 |
schoenebeck |
2 |
void openAFlib() { |
364 |
|
|
hAFlib = dlopen("libaudiofile.so", RTLD_NOW); |
365 |
|
|
if (!hAFlib) { |
366 |
|
|
cout << "Unable to load library libaudiofile.so: " << dlerror() << endl; |
367 |
|
|
return; |
368 |
|
|
} |
369 |
|
|
_afNewFileSetup = (AFfilesetup(*)(void)) dlsym(hAFlib, "afNewFileSetup"); |
370 |
|
|
_afFreeFileSetup = (void(*)(AFfilesetup)) dlsym(hAFlib, "afFreeFileSetup"); |
371 |
|
|
_afInitChannels = (void(*)(AFfilesetup,int,int)) dlsym(hAFlib, "afInitChannels"); |
372 |
|
|
_afInitSampleFormat = (void(*)(AFfilesetup,int,int,int)) dlsym(hAFlib, "afInitSampleFormat"); |
373 |
|
|
_afInitFileFormat = (void(*)(AFfilesetup,int)) dlsym(hAFlib, "afInitFileFormat"); |
374 |
|
|
_afInitRate = (void(*)(AFfilesetup,int,double)) dlsym(hAFlib, "afInitRate"); |
375 |
|
|
_afWriteFrames = (int(*)(AFfilehandle,int,const void*,int)) dlsym(hAFlib, "afWriteFrames"); |
376 |
|
|
_afOpenFile = (AFfilehandle(*)(const char*,const char*,AFfilesetup)) dlsym(hAFlib, "afOpenFile"); |
377 |
|
|
_afCloseFile = (int(*)(AFfilehandle file)) dlsym(hAFlib, "afCloseFile"); |
378 |
|
|
if (dlerror()) cout << "Failed to load function from libaudiofile.so: " << dlerror() << endl; |
379 |
|
|
} |
380 |
|
|
|
381 |
|
|
void closeAFlib() { |
382 |
|
|
if (hAFlib) dlclose(hAFlib); |
383 |
|
|
} |
384 |
schoenebeck |
220 |
#endif // !HAVE_SNDFILE |
385 |
schoenebeck |
2 |
|
386 |
schoenebeck |
518 |
string Revision() { |
387 |
schoenebeck |
1063 |
string s = "$Revision: 1.10 $"; |
388 |
schoenebeck |
518 |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
389 |
|
|
} |
390 |
|
|
|
391 |
|
|
void PrintVersion() { |
392 |
|
|
cout << "gigextract revision " << Revision() << endl; |
393 |
schoenebeck |
549 |
cout << "using " << gig::libraryName() << " " << gig::libraryVersion(); |
394 |
|
|
#if HAVE_SNDFILE |
395 |
|
|
char versionBuffer[128]; |
396 |
|
|
sf_command(NULL, SFC_GET_LIB_VERSION, versionBuffer, 128); |
397 |
|
|
cout << ", " << versionBuffer; |
398 |
schoenebeck |
608 |
#else // use libaudiofile |
399 |
|
|
cout << "\nbuilt against libaudiofile " |
400 |
|
|
<< LIBAUDIOFILE_MAJOR_VERSION << "." << LIBAUDIOFILE_MINOR_VERSION; |
401 |
|
|
# ifdef LIBAUDIOFILE_MICRO_VERSION |
402 |
|
|
cout << "." << LIBAUDIOFILE_MICRO_VERSION; |
403 |
|
|
# endif // LIBAUDIOFILE_MICRO_VERSION |
404 |
schoenebeck |
549 |
#endif // HAVE_SNDFILE |
405 |
|
|
cout << endl; |
406 |
schoenebeck |
518 |
} |
407 |
|
|
|
408 |
schoenebeck |
2 |
void PrintUsage() { |
409 |
|
|
cout << "gigextract - extracts samples from a Gigasampler file." << endl; |
410 |
|
|
cout << endl; |
411 |
schoenebeck |
518 |
cout << "Usage: gigextract [-v] GIGFILE DESTDIR [SAMPLENR] [ [SAMPLENR] ...]" << endl; |
412 |
schoenebeck |
2 |
cout << endl; |
413 |
|
|
cout << " GIGFILE Input Gigasampler (.gig) file." << endl; |
414 |
|
|
cout << endl; |
415 |
|
|
cout << " DESTDIR Destination directory where all .wav files will be written to." << endl; |
416 |
|
|
cout << endl; |
417 |
|
|
cout << " SAMPLENR Index (/indices) of Sample(s) which should be extracted." << endl; |
418 |
|
|
cout << " If no sample indices are given, all samples will be extracted" << endl; |
419 |
|
|
cout << " (use gigdump to look for available samples)." << endl; |
420 |
|
|
cout << endl; |
421 |
schoenebeck |
518 |
cout << " -v Print version and exit." << endl; |
422 |
|
|
cout << endl; |
423 |
schoenebeck |
2 |
} |
424 |
|
|
|
425 |
|
|
string ToString(int i) { |
426 |
|
|
static char strbuf[1024]; |
427 |
|
|
sprintf(strbuf,"%d",i); |
428 |
|
|
string s = strbuf; |
429 |
|
|
return s; |
430 |
|
|
} |