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

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revision 549 by schoenebeck, Mon May 16 18:40:45 2005 UTC revision 2493 by schoenebeck, Wed Jan 1 17:06:51 2014 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
65  # define HAVE_SNDFILE 1  # define HAVE_SNDFILE 1
66  #endif // WIN32  #endif // WIN32
67    
68    // abort compilation here if neither libsndfile nor libaudiofile are available
69    #if !HAVE_SNDFILE && !HAVE_AUDIOFILE
70    # error "Neither libsndfile nor libaudiofile seem to be available!"
71    # error "(HAVE_SNDFILE and HAVE_AUDIOFILE are both false)"
72    #endif
73    
74  // we prefer libsndfile before libaudiofile  // we prefer libsndfile before libaudiofile
75  #if HAVE_SNDFILE  #if HAVE_SNDFILE
76  # include <sndfile.h>  # include <sndfile.h>
# Line 60  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 71  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  #ifndef HAVE_SNDFILE  #if !HAVE_SNDFILE // use libaudiofile
94  void* hAFlib; // handle to libaudiofile  void* hAFlib; // handle to libaudiofile
95  void openAFlib(void);  void openAFlib(void);
96  void closeAFlib(void);  void closeAFlib(void);
# Line 117  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 136  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 160  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  #ifndef HAVE_SNDFILE  #if !HAVE_SNDFILE // use libaudiofile
195      hAFlib = NULL;      hAFlib = NULL;
196      openAFlib();      openAFlib();
197  #endif // !HAVE_SNDFILE  #endif // !HAVE_SNDFILE
198      uint8_t* pWave  = NULL;      uint8_t* pWave  = NULL;
199        int* pIntWave = NULL;
200      long BufferSize = 0;      long BufferSize = 0;
201      int samples     = 0;      int samples     = 0;
202        gig::buffer_t decompressionBuffer;
203        decompressionBuffer.Size = 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 196  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
242          long neededsize = (pSample->Compressed) ? 10485760 /* 10 MB buffer */          long neededsize = pSample->BitDepth == 24 ?
243                                                  : pSample->SamplesTotal * pSample->FrameSize;              pSample->SamplesTotal * pSample->Channels * sizeof(int) :
244                pSample->SamplesTotal * pSample->FrameSize;
245          if (BufferSize < neededsize) {          if (BufferSize < neededsize) {
246              if (pWave) delete[] pWave;              if (pWave) delete[] pWave;
247              pWave = new uint8_t[neededsize];              pWave = new uint8_t[neededsize];
248              BufferSize = neededsize;              BufferSize = neededsize;
249          }          }
250            pIntWave = (int*)pWave;
251  #  if HASHED_READS_TEST  #  if HASHED_READS_TEST
252          unsigned long readsamples     = 0,          unsigned long readinthisrun   = 0,
                       readinthisrun   = 0,  
253                        samplepiecesize = 2000;                        samplepiecesize = 2000;
254          uint8_t* pSamplePiece = pWave;          uint8_t* pSamplePiece = pWave;
255          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
256              readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize);              readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize);
257              // 24 bit is truncated to 16 by Sample::Read at the moment              pSamplePiece += readinthisrun * pSample->FrameSize;
             pSamplePiece += readinthisrun * (2 * pSample->Channels); // readinthisrun * pSample->FrameSize;  
             readsamples  += readinthisrun;  
258          } while (readinthisrun == samplepiecesize);          } while (readinthisrun == samplepiecesize);
259    
         if (pSample->Compressed) { // hack  
             pSample->SamplesTotal = readsamples;  
             pSample->BitDepth = 16;  
         }  
260  #  else // read in one piece  #  else // read in one piece
261          if (pSample->Compressed) {          if (pSample->Compressed) {
262              pSample->SamplesTotal = pSample->Read(pWave, 10485760 >> 2); // assumes 16 bit stereo              if (decompressionBufferSize < pSample->SamplesTotal) {
263          }                  gig::Sample::DestroyDecompressionBuffer(decompressionBuffer);
264          else {                  decompressionBuffer = gig::Sample::CreateDecompressionBuffer(pSample->SamplesTotal);
265                    decompressionBufferSize = pSample->SamplesTotal;
266                }
267                pSample->Read(pWave, pSample->SamplesTotal, &decompressionBuffer);
268            } else {
269              pSample->Read(pWave, pSample->SamplesTotal);              pSample->Read(pWave, pSample->SamplesTotal);
270          }          }
271  #  endif // HASHED_READS_TEST  #  endif // HASHED_READS_TEST
272  #else // no disk streaming  #else // no disk streaming
273          if (pSample->Compressed) {          if (pSample->Compressed) {
274              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;
275            } else {
276                gig::buffer_t buffer = pSample->LoadSampleData(); // load wave into RAM
277                pWave = static_cast<uint8_t*>(buffer.pStart);
278                if (pSample->BitDepth == 24) {
279                    long neededsize = pSample->SamplesTotal * pSample->Channels;
280                    if (BufferSize < neededsize) {
281                        if (pIntWave) delete[] pIntWave;
282                        pIntWave = new int[neededsize];
283                        BufferSize = neededsize;
284                    }
285                }
286          }          }
         else pWave = (uint8_t*) pSample->LoadSampleData(); // load wave into RAM  
287  #endif // USE_DISK_STREAMING  #endif // USE_DISK_STREAMING
288          if (pWave) {          if (pWave) {
289              int res = writeWav(filename.c_str(),  
290                                 pWave,              // Both libsndfile and libaudiofile uses int for 24 bit
291                // samples. libgig however returns 3 bytes per sample, so
292                // we have to convert the wave data before writing.
293                if (pSample->BitDepth == 24) {
294                    int n = pSample->SamplesTotal * pSample->Channels;
295                    for (int i = n - 1 ; i >= 0 ; i--) {
296    #if HAVE_SNDFILE
297                        pIntWave[i] = pWave[i * 3] << 8 | pWave[i * 3 + 1] << 16 | pWave[i * 3 + 2] << 24;
298    #else
299                        pIntWave[i] = pWave[i * 3] | pWave[i * 3 + 1] << 8 | pWave[i * 3 + 2] << 16;
300    #endif
301                    }
302                }
303    
304                int res = writeWav(pSample,
305                                   filename.c_str(),
306                                   pSample->BitDepth == 24 ? static_cast<void*>(pIntWave) : pWave,
307                                 pSample->SamplesTotal,                                 pSample->SamplesTotal,
308                                 pSample->Channels,                                 pSample->Channels,
309                                 pSample->BitDepth,                                 pSample->BitDepth,
# Line 252  void ExtractSamples(gig::File* gig, char Line 316  void ExtractSamples(gig::File* gig, char
316    
317          pSample = gig->GetNextSample();          pSample = gig->GetNextSample();
318      }      }
319      if (pWave) delete[] (uint8_t*) pWave;      gig::Sample::DestroyDecompressionBuffer(decompressionBuffer);
320  #ifndef HAVE_SNDFILE  #if USE_DISK_STREAMING
321        if (pWave) delete[] pWave;
322    #else
323        if (pIntWave) delete[] pIntWave;
324    #endif
325    #if !HAVE_SNDFILE // use libaudiofile
326      closeAFlib();      closeAFlib();
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:
338              format |= SF_FORMAT_PCM_S8;              format |= SF_FORMAT_PCM_S8;
             cout << "8 bit" << endl << flush;  
339              break;              break;
340          case 16:          case 16:
341              format |= SF_FORMAT_PCM_16;              format |= SF_FORMAT_PCM_16;
             cout << "16 bit" << endl << flush;  
342              break;              break;
343          case 24:          case 24:
344              format |= SF_FORMAT_PCM_24;              format |= SF_FORMAT_PCM_24;
             cout << "24 bit" << endl << flush;  
345              break;              break;
346          case 32:          case 32:
347              format |= SF_FORMAT_PCM_32;              format |= SF_FORMAT_PCM_32;
             cout << "32 bit" << endl << flush;  
348              break;              break;
349          default:          default:
350              cerr << "Error: Bithdepth " << ToString(bitdepth) << " not supported by libsndfile, ignoring sample!\n" << flush;              cerr << "Error: Bithdepth " << ToString(bitdepth) << " not supported by libsndfile, ignoring sample!\n" << flush;
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 293  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      if (sf_write_short(hfile, (short*)samples, channels * samplecount) != channels * samplecount) {      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 ?
387            sf_write_int(hfile, static_cast<int*>(samples), channels * samplecount) :
388            sf_write_short(hfile, static_cast<short*>(samples), channels * samplecount);
389        if (res != channels * samplecount) {
390          cerr << sf_strerror(hfile) << endl << flush;          cerr << sf_strerror(hfile) << endl << flush;
391          sf_close(hfile);          sf_close(hfile);
392          return -1;          return -1;
393      }      }
394      sf_close(hfile);      sf_close(hfile);
395  #else  #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);
# Line 316  int writeWav(const char* filename, void* Line 409  int writeWav(const char* filename, void*
409      return 0; // success      return 0; // success
410  }  }
411    
412  #ifndef HAVE_SNDFILE  #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) {
# Line 341  void closeAFlib() { Line 434  void closeAFlib() {
434  #endif // !HAVE_SNDFILE  #endif // !HAVE_SNDFILE
435    
436  string Revision() {  string Revision() {
437      string s = "$Revision: 1.6 $";      string s = "$Revision$";
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    
# Line 352  void PrintVersion() { Line 445  void PrintVersion() {
445      char versionBuffer[128];      char versionBuffer[128];
446      sf_command(NULL, SFC_GET_LIB_VERSION, versionBuffer, 128);      sf_command(NULL, SFC_GET_LIB_VERSION, versionBuffer, 128);
447      cout << ", " << versionBuffer;      cout << ", " << versionBuffer;
448      #endif // HAVE_SNDFILE      #else // use libaudiofile
449      cout << endl;      cout << "\nbuilt against libaudiofile "
450      #if !HAVE_SNDFILE           << LIBAUDIOFILE_MAJOR_VERSION << "." << LIBAUDIOFILE_MINOR_VERSION;
     cout << "built against libaudiofile "  
          << LIBAUDIOFILE_MAJOR_VERSION << "." << LIBAUDIOFILE_MINOR_VERSION  
451      # ifdef LIBAUDIOFILE_MICRO_VERSION      # ifdef LIBAUDIOFILE_MICRO_VERSION
452           << "." << LIBAUDIOFILE_MICRO_VERSION      cout << "." << LIBAUDIOFILE_MICRO_VERSION;
453      # endif // LIBAUDIOFILE_MICRO_VERSION      # endif // LIBAUDIOFILE_MICRO_VERSION
454           << endl;      #endif // HAVE_SNDFILE
455      #endif // !HAVE_SNDFILE      cout << endl;
456  }  }
457    
458  void PrintUsage() {  void PrintUsage() {
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