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

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revision 2 by schoenebeck, Sat Oct 25 20:15:04 2003 UTC revision 1869 by persson, Sun Mar 22 11:13:25 2009 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 by Christian Schoenebeck                           *   *   Copyright (C) 2003-2007 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  *
# Line 39  Line 41 
41    
42  #include <iostream>  #include <iostream>
43  #include <cstdlib>  #include <cstdlib>
44    #include <string.h>
45    #include <string>
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>  
 #include <audiofile.h>  
51  #include "gig.h"  #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
64    #ifdef WIN32
65    # define HAVE_SNDFILE 1
66    #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
75    #if HAVE_SNDFILE
76    # include <sndfile.h>
77    #else
78    # include <audiofile.h>
79    #endif // HAVE_SNDFILE
80    
81  using namespace std;  using namespace std;
82    
83  typedef map<unsigned int, bool> OrderMap;  typedef map<unsigned int, bool> OrderMap;
84  OrderMap* pOrderedSamples = NULL;  OrderMap* pOrderedSamples = NULL;
85    
86    string Revision();
87    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(const char* filename, void* samples, long samplecount, int channels, int bitdepth, long rate);
91    string ToString(int i);
92    
93    #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 69  void(*_afInitRate)(AFfilesetup,int,doubl Line 104  void(*_afInitRate)(AFfilesetup,int,doubl
104  int(*_afWriteFrames)(AFfilehandle,int,const void*,int);  int(*_afWriteFrames)(AFfilehandle,int,const void*,int);
105  AFfilehandle(*_afOpenFile)(const char*,const char*,AFfilesetup);  AFfilehandle(*_afOpenFile)(const char*,const char*,AFfilesetup);
106  int(*_afCloseFile)(AFfilehandle file);  int(*_afCloseFile)(AFfilehandle file);
107  string ToString(int i);  #endif // !HAVE_SNDFILE
108    
109  int main(int argc, char *argv[]) {  int main(int argc, char *argv[]) {
110         if (argc >= 2) {
111            if (argv[1][0] == '-') {
112                switch (argv[1][1]) {
113                    case 'v':
114                        PrintVersion();
115                        return EXIT_SUCCESS;
116                }
117            }
118        }
119      if (argc < 3) {      if (argc < 3) {
120          PrintUsage();          PrintUsage();
121          return EXIT_FAILURE;          return EXIT_FAILURE;
# Line 89  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 108  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 133  int main(int argc, char *argv[]) { Line 178  int main(int argc, char *argv[]) {
178  }  }
179    
180  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) {  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) {
181    #if !HAVE_SNDFILE // use libaudiofile
182      hAFlib = NULL;      hAFlib = NULL;
183      openAFlib();      openAFlib();
184    #endif // !HAVE_SNDFILE
185      uint8_t* pWave  = NULL;      uint8_t* pWave  = NULL;
186        int* pIntWave = NULL;
187      long BufferSize = 0;      long BufferSize = 0;
188      int samples     = 0;      int samples     = 0;
189        gig::buffer_t decompressionBuffer;
190        decompressionBuffer.Size = 0;
191      cout << "Seeking for available samples..." << flush;      cout << "Seeking for available samples..." << flush;
192      gig::Sample* pSample = gig->GetFirstSample();      gig::Sample* pSample = gig->GetFirstSample();
193      cout << "OK" << endl << flush;      cout << "OK" << endl << flush;
# Line 170  void ExtractSamples(gig::File* gig, char Line 220  void ExtractSamples(gig::File* gig, char
220    
221    
222  #if USE_DISK_STREAMING  #if USE_DISK_STREAMING
223          if (pSample->Compressed) { // hack          long neededsize = pSample->BitDepth == 24 ?
224              pSample->BitDepth  = 16;              pSample->SamplesTotal * pSample->Channels * sizeof(int) :
225              pSample->FrameSize = 4;              pSample->SamplesTotal * pSample->FrameSize;
         }  
   
         long neededsize = (pSample->Compressed) ? 10485760 /* 10 MB buffer */  
                                                 : pSample->SamplesTotal * pSample->FrameSize;  
226          if (BufferSize < neededsize) {          if (BufferSize < neededsize) {
227              if (pWave) delete[] pWave;              if (pWave) delete[] pWave;
228              pWave = new uint8_t[neededsize];              pWave = new uint8_t[neededsize];
229              BufferSize = neededsize;              BufferSize = neededsize;
230          }          }
231            pIntWave = (int*)pWave;
232  #  if HASHED_READS_TEST  #  if HASHED_READS_TEST
233          unsigned long readsamples     = 0,          unsigned long readinthisrun   = 0,
                       readinthisrun   = 0,  
234                        samplepiecesize = 2000;                        samplepiecesize = 2000;
235          uint8_t* pSamplePiece = pWave;          uint8_t* pSamplePiece = pWave;
236          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
237              readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize);              readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize);
238              pSamplePiece += readinthisrun * pSample->FrameSize;              pSamplePiece += readinthisrun * pSample->FrameSize;
             readsamples  += readinthisrun;  
239          } while (readinthisrun == samplepiecesize);          } while (readinthisrun == samplepiecesize);
240    
         if (pSample->Compressed) { // hack  
             pSample->SamplesTotal = readsamples;  
         }  
241  #  else // read in one piece  #  else // read in one piece
242          if (pSample->Compressed) {          if (pSample->Compressed) {
243              pSample->SamplesTotal = pSample->Read(pWave, 10485760 >> 2); // assumes 16 bit stereo              if (decompressionBufferSize < pSample->SamplesTotal) {
244          }                  gig::Sample::DestroyDecompressionBuffer(decompressionBuffer);
245          else {                  decompressionBuffer = gig::Sample::CreateDecompressionBuffer(pSample->SamplesTotal);
246                    decompressionBufferSize = pSample->SamplesTotal;
247                }
248                pSample->Read(pWave, pSample->SamplesTotal, &decompressionBuffer);
249            } else {
250              pSample->Read(pWave, pSample->SamplesTotal);              pSample->Read(pWave, pSample->SamplesTotal);
251          }          }
252  #  endif // HASHED_READS_TEST  #  endif // HASHED_READS_TEST
253  #else // no disk streaming  #else // no disk streaming
254          if (pSample->Compressed) {          if (pSample->Compressed) {
255              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;
256            } else {
257                gig::buffer_t buffer = pSample->LoadSampleData(); // load wave into RAM
258                pWave = static_cast<uint8_t*>(buffer.pStart);
259                if (pSample->BitDepth == 24) {
260                    long neededsize = pSample->SamplesTotal * pSample->Channels;
261                    if (BufferSize < neededsize) {
262                        if (pIntWave) delete[] pIntWave;
263                        pIntWave = new int[neededsize];
264                        BufferSize = neededsize;
265                    }
266                }
267          }          }
         else pWave = (uint8_t*) pSample->LoadSampleData(); // load wave into RAM  
268  #endif // USE_DISK_STREAMING  #endif // USE_DISK_STREAMING
269          if (pWave) {          if (pWave) {
270    
271                // Both libsndfile and libaudiofile uses int for 24 bit
272                // samples. libgig however returns 3 bytes per sample, so
273                // we have to convert the wave data before writing.
274                if (pSample->BitDepth == 24) {
275                    int n = pSample->SamplesTotal * pSample->Channels;
276                    for (int i = n - 1 ; i >= 0 ; i--) {
277    #if HAVE_SNDFILE
278                        pIntWave[i] = pWave[i * 3] << 8 | pWave[i * 3 + 1] << 16 | pWave[i * 3 + 2] << 24;
279    #else
280                        pIntWave[i] = pWave[i * 3] | pWave[i * 3 + 1] << 8 | pWave[i * 3 + 2] << 16;
281    #endif
282                    }
283                }
284    
285              int res = writeWav(filename.c_str(),              int res = writeWav(filename.c_str(),
286                                 pWave,                                 pSample->BitDepth == 24 ? static_cast<void*>(pIntWave) : pWave,
287                                 pSample->SamplesTotal,                                 pSample->SamplesTotal,
288                                 pSample->Channels,                                 pSample->Channels,
289                                 pSample->BitDepth,                                 pSample->BitDepth,
# Line 225  void ExtractSamples(gig::File* gig, char Line 296  void ExtractSamples(gig::File* gig, char
296    
297          pSample = gig->GetNextSample();          pSample = gig->GetNextSample();
298      }      }
299      if (pWave) delete[] (uint8_t*) pWave;      gig::Sample::DestroyDecompressionBuffer(decompressionBuffer);
300    #if USE_DISK_STREAMING
301        if (pWave) delete[] pWave;
302    #else
303        if (pIntWave) delete[] pIntWave;
304    #endif
305    #if !HAVE_SNDFILE // use libaudiofile
306      closeAFlib();      closeAFlib();
307    #endif // !HAVE_SNDFILE
308  }  }
309    
310  int writeWav(const char* filename, void* samples, long samplecount, int channels, int bitdepth, long rate) {  int writeWav(const char* filename, void* samples, long samplecount, int channels, int bitdepth, long rate) {
311    #if HAVE_SNDFILE
312        SNDFILE* hfile;
313        SF_INFO  sfinfo;
314        int format = SF_FORMAT_WAV;
315        switch (bitdepth) {
316            case 8:
317                format |= SF_FORMAT_PCM_S8;
318                break;
319            case 16:
320                format |= SF_FORMAT_PCM_16;
321                break;
322            case 24:
323                format |= SF_FORMAT_PCM_24;
324                break;
325            case 32:
326                format |= SF_FORMAT_PCM_32;
327                break;
328            default:
329                cerr << "Error: Bithdepth " << ToString(bitdepth) << " not supported by libsndfile, ignoring sample!\n" << flush;
330                return -1;
331        }
332        memset(&sfinfo, 0, sizeof (sfinfo));
333        sfinfo.samplerate = rate;
334        sfinfo.frames     = samplecount;
335        sfinfo.channels   = channels;
336        sfinfo.format     = format;
337        if (!(hfile = sf_open(filename, SFM_WRITE, &sfinfo))) {
338            cerr << "Error: Unable to open output file \'" << filename << "\'.\n" << flush;
339            return -1;
340        }
341        sf_count_t res = bitdepth == 24 ?
342            sf_write_int(hfile, static_cast<int*>(samples), channels * samplecount) :
343            sf_write_short(hfile, static_cast<short*>(samples), channels * samplecount);
344        if (res != channels * samplecount) {
345            cerr << sf_strerror(hfile) << endl << flush;
346            sf_close(hfile);
347            return -1;
348        }
349        sf_close(hfile);
350    #else // use libaudiofile
351      AFfilesetup setup = _afNewFileSetup();      AFfilesetup setup = _afNewFileSetup();
352      _afInitFileFormat(setup, AF_FILE_WAVE);      _afInitFileFormat(setup, AF_FILE_WAVE);
353      _afInitChannels(setup, AF_DEFAULT_TRACK, channels);      _afInitChannels(setup, AF_DEFAULT_TRACK, channels);
# Line 241  int writeWav(const char* filename, void* Line 359  int writeWav(const char* filename, void*
359      if (_afWriteFrames(hFile, AF_DEFAULT_TRACK, samples, samplecount) < 0) return -1;      if (_afWriteFrames(hFile, AF_DEFAULT_TRACK, samples, samplecount) < 0) return -1;
360      _afCloseFile(hFile);      _afCloseFile(hFile);
361      _afFreeFileSetup(setup);      _afFreeFileSetup(setup);
362        #endif // HAVE_SNDFILE
363      return 0;  
364        return 0; // success
365  }  }
366    
367    #if !HAVE_SNDFILE // use libaudiofile
368  void openAFlib() {  void openAFlib() {
369      hAFlib = dlopen("libaudiofile.so", RTLD_NOW);      hAFlib = dlopen("libaudiofile.so", RTLD_NOW);
370      if (!hAFlib) {      if (!hAFlib) {
# Line 266  void openAFlib() { Line 386  void openAFlib() {
386  void closeAFlib() {  void closeAFlib() {
387      if (hAFlib) dlclose(hAFlib);      if (hAFlib) dlclose(hAFlib);
388  }  }
389    #endif // !HAVE_SNDFILE
390    
391    string Revision() {
392        string s = "$Revision: 1.11 $";
393        return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
394    }
395    
396    void PrintVersion() {
397        cout << "gigextract revision " << Revision() << endl;
398        cout << "using " << gig::libraryName() << " " << gig::libraryVersion();
399        #if HAVE_SNDFILE
400        char versionBuffer[128];
401        sf_command(NULL, SFC_GET_LIB_VERSION, versionBuffer, 128);
402        cout << ", " << versionBuffer;
403        #else // use libaudiofile
404        cout << "\nbuilt against libaudiofile "
405             << LIBAUDIOFILE_MAJOR_VERSION << "." << LIBAUDIOFILE_MINOR_VERSION;
406        # ifdef LIBAUDIOFILE_MICRO_VERSION
407        cout << "." << LIBAUDIOFILE_MICRO_VERSION;
408        # endif // LIBAUDIOFILE_MICRO_VERSION
409        #endif // HAVE_SNDFILE
410        cout << endl;
411    }
412    
413  void PrintUsage() {  void PrintUsage() {
414      cout << "gigextract - extracts samples from a Gigasampler file." << endl;      cout << "gigextract - extracts samples from a Gigasampler file." << endl;
415      cout << endl;      cout << endl;
416      cout << "Usage: gigextract GIGFILE DESTDIR [SAMPLENR] [ [SAMPLENR] ...]" << endl;      cout << "Usage: gigextract [-v] GIGFILE DESTDIR [SAMPLENR] [ [SAMPLENR] ...]" << endl;
417      cout << endl;      cout << endl;
418      cout << "   GIGFILE  Input Gigasampler (.gig) file." << endl;      cout << "   GIGFILE  Input Gigasampler (.gig) file." << endl;
419      cout << endl;      cout << endl;
# Line 280  void PrintUsage() { Line 423  void PrintUsage() {
423      cout << "            If no sample indices are given, all samples will be extracted" << endl;      cout << "            If no sample indices are given, all samples will be extracted" << endl;
424      cout << "            (use gigdump to look for available samples)." << endl;      cout << "            (use gigdump to look for available samples)." << endl;
425      cout << endl;      cout << endl;
426        cout << "   -v       Print version and exit." << endl;
427        cout << endl;
428  }  }
429    
430  string ToString(int i) {  string ToString(int i) {
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