/[svn]/libgig/trunk/src/gigextract.cpp
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Diff of /libgig/trunk/src/gigextract.cpp

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revision 902 by persson, Sat Jul 22 14:22:01 2006 UTC revision 2465 by schoenebeck, Thu Sep 5 03:01:51 2013 UTC
# Line 1  Line 1 
1  /***************************************************************************  /***************************************************************************
2   *                                                                         *   *                                                                         *
3   *   libgig - C++ cross-platform Gigasampler format file loader library    *   *   libgig - C++ cross-platform Gigasampler format file access library    *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003-2005 by Christian Schoenebeck                      *   *   Copyright (C) 2003-2013 by Christian Schoenebeck                      *
6   *                              <cuse@users.sourceforge.net>               *   *                              <cuse@users.sourceforge.net>               *
7   *                                                                         *   *                                                                         *
8     *   This program is part of libgig.                                       *
9     *                                                                         *
10   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
11   *   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  *
12   *   the Free Software Foundation; either version 2 of the License, or     *   *   the Free Software Foundation; either version 2 of the License, or     *
# Line 44  Line 46 
46  #include <stdlib.h>  #include <stdlib.h>
47  #include <sys/types.h>  #include <sys/types.h>
48  #include <sys/stat.h>  #include <sys/stat.h>
 #include <dirent.h>  
49  #include <errno.h>  #include <errno.h>
50  #include <dlfcn.h>  
51    #include "gig.h"
52    
53    #ifdef _MSC_VER
54    #define S_ISDIR(x) (S_IFDIR & (x))
55    #define S_IWUSR S_IWRITE
56    #define S_IXUSR S_IEXEC
57    #endif
58    
59    #if POSIX
60    # include <dlfcn.h>
61    #endif
62    
63  // only libsndfile is available for Windows, so we use that for writing the sound files  // only libsndfile is available for Windows, so we use that for writing the sound files
64  #ifdef WIN32  #ifdef WIN32
# Line 66  Line 78 
78  # include <audiofile.h>  # include <audiofile.h>
79  #endif // HAVE_SNDFILE  #endif // HAVE_SNDFILE
80    
 #include "gig.h"  
   
81  using namespace std;  using namespace std;
82    
83  typedef map<unsigned int, bool> OrderMap;  typedef map<unsigned int, bool> OrderMap;
# Line 77  string Revision(); Line 87  string Revision();
87  void PrintVersion();  void PrintVersion();
88  void PrintUsage();  void PrintUsage();
89  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered);  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered);
90  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);
91  string ToString(int i);  string ToString(int i);
92    
93  #if !HAVE_SNDFILE // use libaudiofile  #if !HAVE_SNDFILE // use libaudiofile
# Line 123  int main(int argc, char *argv[]) { Line 133  int main(int argc, char *argv[]) {
133          return EXIT_FAILURE;          return EXIT_FAILURE;
134      }      }
135      fclose(hFile);      fclose(hFile);
136      DIR* dir = opendir(argv[2]);      struct stat buf;
137      if (!dir) {      if (stat(argv[2], &buf) == -1) {
138          cout << "Unable to open DESTDIR: ";          cout << "Unable to open DESTDIR: ";
139          switch (errno) {          switch (errno) {
140              case EACCES:  cout << "Permission denied." << endl;              case EACCES:  cout << "Permission denied." << endl;
141                            break;                            break;
             case EMFILE:  cout << "Too many file descriptors in use by process." << endl;  
                           break;  
             case ENFILE:  cout << "Too many files are currently open in the system." << endl;  
                           break;  
142              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;
143                            break;                            break;
144              case ENOMEM:  cout << "Insufficient memory to complete the operation." << endl;              case ENOMEM:  cout << "Insufficient memory to complete the operation." << endl;
# Line 142  int main(int argc, char *argv[]) { Line 148  int main(int argc, char *argv[]) {
148              default:      cout << "Unknown error" << endl;              default:      cout << "Unknown error" << endl;
149          }          }
150          return EXIT_FAILURE;          return EXIT_FAILURE;
151        } else if (!S_ISDIR(buf.st_mode)) {
152            cout << "Unable to open DESTDIR: Is not a directory." << endl;
153            return EXIT_FAILURE;
154        } else if (!(S_IWUSR & buf.st_mode) || !(S_IXUSR & buf.st_mode)) {
155            cout << "Unable to open DESTDIR: Permission denied." << endl;
156            return EXIT_FAILURE;
157      }      }
     if (dir) closedir(dir);  
158      try {      try {
159          RIFF::File* riff = new RIFF::File(argv[1]);          RIFF::File* riff = new RIFF::File(argv[1]);
160          gig::File*  gig  = new gig::File(riff);          gig::File*  gig  = new gig::File(riff);
# Line 166  int main(int argc, char *argv[]) { Line 177  int main(int argc, char *argv[]) {
177      return EXIT_SUCCESS;      return EXIT_SUCCESS;
178  }  }
179    
180    static std::string getLoopTypeText(gig::loop_type_t type) {
181        switch (type) {
182            case gig::loop_type_normal:
183                return "normal";
184            case gig::loop_type_bidirectional:
185                return "pingpong";
186            case gig::loop_type_backward:
187                return "backward";
188            default:
189                return "INVALID";
190        }
191    }
192    
193  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) {  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) {
194  #if !HAVE_SNDFILE // use libaudiofile  #if !HAVE_SNDFILE // use libaudiofile
195      hAFlib = NULL;      hAFlib = NULL;
# Line 177  void ExtractSamples(gig::File* gig, char Line 201  void ExtractSamples(gig::File* gig, char
201      int samples     = 0;      int samples     = 0;
202      gig::buffer_t decompressionBuffer;      gig::buffer_t decompressionBuffer;
203      decompressionBuffer.Size = 0;      decompressionBuffer.Size = 0;
     unsigned long decompressionBufferSize = 0;  
204      cout << "Seeking for available samples..." << flush;      cout << "Seeking for available samples..." << flush;
205      gig::Sample* pSample = gig->GetFirstSample();      gig::Sample* pSample = gig->GetFirstSample();
206      cout << "OK" << endl << flush;      cout << "OK" << endl << flush;
# Line 206  void ExtractSamples(gig::File* gig, char Line 229  void ExtractSamples(gig::File* gig, char
229          filename += ".wav";          filename += ".wav";
230          if (pSample->Compressed) cout << "Decompressing ";          if (pSample->Compressed) cout << "Decompressing ";
231          else                     cout << "Extracting ";          else                     cout << "Extracting ";
232          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";
233            if (pSample->Loops > 0) {
234                cout << ", LoopType "  << getLoopTypeText(pSample->LoopType)
235                     << ", LoopStart " << pSample->LoopStart
236                     << ", LoopEnd "   << pSample->LoopEnd;
237            }
238            cout << ")..." << flush;
239    
240    
241  #if USE_DISK_STREAMING  #if USE_DISK_STREAMING
# Line 272  void ExtractSamples(gig::File* gig, char Line 301  void ExtractSamples(gig::File* gig, char
301                  }                  }
302              }              }
303    
304              int res = writeWav(filename.c_str(),              int res = writeWav(pSample,
305                                   filename.c_str(),
306                                 pSample->BitDepth == 24 ? static_cast<void*>(pIntWave) : pWave,                                 pSample->BitDepth == 24 ? static_cast<void*>(pIntWave) : pWave,
307                                 pSample->SamplesTotal,                                 pSample->SamplesTotal,
308                                 pSample->Channels,                                 pSample->Channels,
# Line 297  void ExtractSamples(gig::File* gig, char Line 327  void ExtractSamples(gig::File* gig, char
327  #endif // !HAVE_SNDFILE  #endif // !HAVE_SNDFILE
328  }  }
329    
330  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) {
331  #if HAVE_SNDFILE  #if HAVE_SNDFILE
332      SNDFILE* hfile;      SNDFILE* hfile;
333      SF_INFO  sfinfo;      SF_INFO  sfinfo;
334        SF_INSTRUMENT instr;
335      int format = SF_FORMAT_WAV;      int format = SF_FORMAT_WAV;
336      switch (bitdepth) {      switch (bitdepth) {
337          case 8:          case 8:
# Line 320  int writeWav(const char* filename, void* Line 351  int writeWav(const char* filename, void*
351              return -1;              return -1;
352      }      }
353      memset(&sfinfo, 0, sizeof (sfinfo));      memset(&sfinfo, 0, sizeof (sfinfo));
354        memset(&instr, 0, sizeof (instr));
355      sfinfo.samplerate = rate;      sfinfo.samplerate = rate;
356      sfinfo.frames     = samplecount;      sfinfo.frames     = samplecount;
357      sfinfo.channels   = channels;      sfinfo.channels   = channels;
# Line 328  int writeWav(const char* filename, void* Line 360  int writeWav(const char* filename, void*
360          cerr << "Error: Unable to open output file \'" << filename << "\'.\n" << flush;          cerr << "Error: Unable to open output file \'" << filename << "\'.\n" << flush;
361          return -1;          return -1;
362      }      }
363        instr.basenote = sample->MIDIUnityNote;
364        instr.detune = sample->FineTune;
365        if (sample->Loops > 0) {
366            instr.loop_count = 1;
367            switch (sample->LoopType) {
368                case gig::loop_type_normal:
369                    instr.loops[0].mode = SF_LOOP_FORWARD;
370                    break;
371                case gig::loop_type_bidirectional:
372                    instr.loops[0].mode = SF_LOOP_ALTERNATING;
373                    break;
374                case gig::loop_type_backward:
375                    instr.loops[0].mode = SF_LOOP_BACKWARD;
376                    break;
377                default:
378                    instr.loops[0].mode = SF_LOOP_NONE;
379                    break;
380            }
381            instr.loops[0].start = sample->LoopStart;
382            instr.loops[0].end   = sample->LoopEnd;
383            instr.loops[0].count = sample->LoopPlayCount;
384        }
385        sf_command(hfile, SFC_SET_INSTRUMENT, &instr, sizeof(instr));
386      sf_count_t res = bitdepth == 24 ?      sf_count_t res = bitdepth == 24 ?
387          sf_write_int(hfile, static_cast<int*>(samples), channels * samplecount) :          sf_write_int(hfile, static_cast<int*>(samples), channels * samplecount) :
388          sf_write_short(hfile, static_cast<short*>(samples), channels * samplecount);          sf_write_short(hfile, static_cast<short*>(samples), channels * samplecount);
# Line 379  void closeAFlib() { Line 434  void closeAFlib() {
434  #endif // !HAVE_SNDFILE  #endif // !HAVE_SNDFILE
435    
436  string Revision() {  string Revision() {
437      string s = "$Revision: 1.8 $";      string s = "$Revision: 1.12 $";
438      return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword      return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
439  }  }
440    
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