/[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 933 by schoenebeck, Fri Nov 24 12:50:05 2006 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) 2003-2006 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>
49  #include <dirent.h>  #include <dirent.h>
50  #include <errno.h>  #include <errno.h>
51  #include <dlfcn.h>  #include <dlfcn.h>
52  #include <audiofile.h>  
53    // only libsndfile is available for Windows, so we use that for writing the sound files
54    #ifdef WIN32
55    # define HAVE_SNDFILE 1
56    #endif // WIN32
57    
58    // abort compilation here if neither libsndfile nor libaudiofile are available
59    #if !HAVE_SNDFILE && !HAVE_AUDIOFILE
60    # error "Neither libsndfile nor libaudiofile seem to be available!"
61    # error "(HAVE_SNDFILE and HAVE_AUDIOFILE are both false)"
62    #endif
63    
64    // we prefer libsndfile before libaudiofile
65    #if HAVE_SNDFILE
66    # include <sndfile.h>
67    #else
68    # include <audiofile.h>
69    #endif // HAVE_SNDFILE
70    
71  #include "gig.h"  #include "gig.h"
72    
73  using namespace std;  using namespace std;
# Line 53  using namespace std; Line 75  using namespace std;
75  typedef map<unsigned int, bool> OrderMap;  typedef map<unsigned int, bool> OrderMap;
76  OrderMap* pOrderedSamples = NULL;  OrderMap* pOrderedSamples = NULL;
77    
78    string Revision();
79    void PrintVersion();
80  void PrintUsage();  void PrintUsage();
81  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered);  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered);
82  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);
83    string ToString(int i);
84    
85    #if !HAVE_SNDFILE // use libaudiofile
86  void* hAFlib; // handle to libaudiofile  void* hAFlib; // handle to libaudiofile
87  void openAFlib(void);  void openAFlib(void);
88  void closeAFlib(void);  void closeAFlib(void);
# Line 69  void(*_afInitRate)(AFfilesetup,int,doubl Line 96  void(*_afInitRate)(AFfilesetup,int,doubl
96  int(*_afWriteFrames)(AFfilehandle,int,const void*,int);  int(*_afWriteFrames)(AFfilehandle,int,const void*,int);
97  AFfilehandle(*_afOpenFile)(const char*,const char*,AFfilesetup);  AFfilehandle(*_afOpenFile)(const char*,const char*,AFfilesetup);
98  int(*_afCloseFile)(AFfilehandle file);  int(*_afCloseFile)(AFfilehandle file);
99  string ToString(int i);  #endif // !HAVE_SNDFILE
100    
101  int main(int argc, char *argv[]) {  int main(int argc, char *argv[]) {
102         if (argc >= 2) {
103            if (argv[1][0] == '-') {
104                switch (argv[1][1]) {
105                    case 'v':
106                        PrintVersion();
107                        return EXIT_SUCCESS;
108                }
109            }
110        }
111      if (argc < 3) {      if (argc < 3) {
112          PrintUsage();          PrintUsage();
113          return EXIT_FAILURE;          return EXIT_FAILURE;
# Line 133  int main(int argc, char *argv[]) { Line 169  int main(int argc, char *argv[]) {
169  }  }
170    
171  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) {  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) {
172    #if !HAVE_SNDFILE // use libaudiofile
173      hAFlib = NULL;      hAFlib = NULL;
174      openAFlib();      openAFlib();
175    #endif // !HAVE_SNDFILE
176      uint8_t* pWave  = NULL;      uint8_t* pWave  = NULL;
177        int* pIntWave = NULL;
178      long BufferSize = 0;      long BufferSize = 0;
179      int samples     = 0;      int samples     = 0;
180        gig::buffer_t decompressionBuffer;
181        decompressionBuffer.Size = 0;
182        unsigned long decompressionBufferSize = 0;
183      cout << "Seeking for available samples..." << flush;      cout << "Seeking for available samples..." << flush;
184      gig::Sample* pSample = gig->GetFirstSample();      gig::Sample* pSample = gig->GetFirstSample();
185      cout << "OK" << endl << flush;      cout << "OK" << endl << flush;
# Line 170  void ExtractSamples(gig::File* gig, char Line 212  void ExtractSamples(gig::File* gig, char
212    
213    
214  #if USE_DISK_STREAMING  #if USE_DISK_STREAMING
215          if (pSample->Compressed) { // hack          long neededsize = pSample->BitDepth == 24 ?
216              pSample->BitDepth  = 16;              pSample->SamplesTotal * pSample->Channels * sizeof(int) :
217              pSample->FrameSize = 4;              pSample->SamplesTotal * pSample->FrameSize;
         }  
   
         long neededsize = (pSample->Compressed) ? 10485760 /* 10 MB buffer */  
                                                 : pSample->SamplesTotal * pSample->FrameSize;  
218          if (BufferSize < neededsize) {          if (BufferSize < neededsize) {
219              if (pWave) delete[] pWave;              if (pWave) delete[] pWave;
220              pWave = new uint8_t[neededsize];              pWave = new uint8_t[neededsize];
221              BufferSize = neededsize;              BufferSize = neededsize;
222          }          }
223            pIntWave = (int*)pWave;
224  #  if HASHED_READS_TEST  #  if HASHED_READS_TEST
225          unsigned long readsamples     = 0,          unsigned long readinthisrun   = 0,
                       readinthisrun   = 0,  
226                        samplepiecesize = 2000;                        samplepiecesize = 2000;
227          uint8_t* pSamplePiece = pWave;          uint8_t* pSamplePiece = pWave;
228          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
229              readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize);              readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize);
230              pSamplePiece += readinthisrun * pSample->FrameSize;              pSamplePiece += readinthisrun * pSample->FrameSize;
             readsamples  += readinthisrun;  
231          } while (readinthisrun == samplepiecesize);          } while (readinthisrun == samplepiecesize);
232    
         if (pSample->Compressed) { // hack  
             pSample->SamplesTotal = readsamples;  
         }  
233  #  else // read in one piece  #  else // read in one piece
234          if (pSample->Compressed) {          if (pSample->Compressed) {
235              pSample->SamplesTotal = pSample->Read(pWave, 10485760 >> 2); // assumes 16 bit stereo              if (decompressionBufferSize < pSample->SamplesTotal) {
236          }                  gig::Sample::DestroyDecompressionBuffer(decompressionBuffer);
237          else {                  decompressionBuffer = gig::Sample::CreateDecompressionBuffer(pSample->SamplesTotal);
238                    decompressionBufferSize = pSample->SamplesTotal;
239                }
240                pSample->Read(pWave, pSample->SamplesTotal, &decompressionBuffer);
241            } else {
242              pSample->Read(pWave, pSample->SamplesTotal);              pSample->Read(pWave, pSample->SamplesTotal);
243          }          }
244  #  endif // HASHED_READS_TEST  #  endif // HASHED_READS_TEST
245  #else // no disk streaming  #else // no disk streaming
246          if (pSample->Compressed) {          if (pSample->Compressed) {
247              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;
248            } else {
249                gig::buffer_t buffer = pSample->LoadSampleData(); // load wave into RAM
250                pWave = static_cast<uint8_t*>(buffer.pStart);
251                if (pSample->BitDepth == 24) {
252                    long neededsize = pSample->SamplesTotal * pSample->Channels;
253                    if (BufferSize < neededsize) {
254                        if (pIntWave) delete[] pIntWave;
255                        pIntWave = new int[neededsize];
256                        BufferSize = neededsize;
257                    }
258                }
259          }          }
         else pWave = (uint8_t*) pSample->LoadSampleData(); // load wave into RAM  
260  #endif // USE_DISK_STREAMING  #endif // USE_DISK_STREAMING
261          if (pWave) {          if (pWave) {
262    
263                // Both libsndfile and libaudiofile uses int for 24 bit
264                // samples. libgig however returns 3 bytes per sample, so
265                // we have to convert the wave data before writing.
266                if (pSample->BitDepth == 24) {
267                    int n = pSample->SamplesTotal * pSample->Channels;
268                    for (int i = n - 1 ; i >= 0 ; i--) {
269    #if HAVE_SNDFILE
270                        pIntWave[i] = pWave[i * 3] << 8 | pWave[i * 3 + 1] << 16 | pWave[i * 3 + 2] << 24;
271    #else
272                        pIntWave[i] = pWave[i * 3] | pWave[i * 3 + 1] << 8 | pWave[i * 3 + 2] << 16;
273    #endif
274                    }
275                }
276    
277              int res = writeWav(filename.c_str(),              int res = writeWav(filename.c_str(),
278                                 pWave,                                 pSample->BitDepth == 24 ? static_cast<void*>(pIntWave) : pWave,
279                                 pSample->SamplesTotal,                                 pSample->SamplesTotal,
280                                 pSample->Channels,                                 pSample->Channels,
281                                 pSample->BitDepth,                                 pSample->BitDepth,
# Line 225  void ExtractSamples(gig::File* gig, char Line 288  void ExtractSamples(gig::File* gig, char
288    
289          pSample = gig->GetNextSample();          pSample = gig->GetNextSample();
290      }      }
291      if (pWave) delete[] (uint8_t*) pWave;      gig::Sample::DestroyDecompressionBuffer(decompressionBuffer);
292    #if USE_DISK_STREAMING
293        if (pWave) delete[] pWave;
294    #else
295        if (pIntWave) delete[] pIntWave;
296    #endif
297    #if !HAVE_SNDFILE // use libaudiofile
298      closeAFlib();      closeAFlib();
299    #endif // !HAVE_SNDFILE
300  }  }
301    
302  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) {
303    #if HAVE_SNDFILE
304        SNDFILE* hfile;
305        SF_INFO  sfinfo;
306        int format = SF_FORMAT_WAV;
307        switch (bitdepth) {
308            case 8:
309                format |= SF_FORMAT_PCM_S8;
310                break;
311            case 16:
312                format |= SF_FORMAT_PCM_16;
313                break;
314            case 24:
315                format |= SF_FORMAT_PCM_24;
316                break;
317            case 32:
318                format |= SF_FORMAT_PCM_32;
319                break;
320            default:
321                cerr << "Error: Bithdepth " << ToString(bitdepth) << " not supported by libsndfile, ignoring sample!\n" << flush;
322                return -1;
323        }
324        memset(&sfinfo, 0, sizeof (sfinfo));
325        sfinfo.samplerate = rate;
326        sfinfo.frames     = samplecount;
327        sfinfo.channels   = channels;
328        sfinfo.format     = format;
329        if (!(hfile = sf_open(filename, SFM_WRITE, &sfinfo))) {
330            cerr << "Error: Unable to open output file \'" << filename << "\'.\n" << flush;
331            return -1;
332        }
333        sf_count_t res = bitdepth == 24 ?
334            sf_write_int(hfile, static_cast<int*>(samples), channels * samplecount) :
335            sf_write_short(hfile, static_cast<short*>(samples), channels * samplecount);
336        if (res != channels * samplecount) {
337            cerr << sf_strerror(hfile) << endl << flush;
338            sf_close(hfile);
339            return -1;
340        }
341        sf_close(hfile);
342    #else // use libaudiofile
343      AFfilesetup setup = _afNewFileSetup();      AFfilesetup setup = _afNewFileSetup();
344      _afInitFileFormat(setup, AF_FILE_WAVE);      _afInitFileFormat(setup, AF_FILE_WAVE);
345      _afInitChannels(setup, AF_DEFAULT_TRACK, channels);      _afInitChannels(setup, AF_DEFAULT_TRACK, channels);
# Line 241  int writeWav(const char* filename, void* Line 351  int writeWav(const char* filename, void*
351      if (_afWriteFrames(hFile, AF_DEFAULT_TRACK, samples, samplecount) < 0) return -1;      if (_afWriteFrames(hFile, AF_DEFAULT_TRACK, samples, samplecount) < 0) return -1;
352      _afCloseFile(hFile);      _afCloseFile(hFile);
353      _afFreeFileSetup(setup);      _afFreeFileSetup(setup);
354        #endif // HAVE_SNDFILE
355      return 0;  
356        return 0; // success
357  }  }
358    
359    #if !HAVE_SNDFILE // use libaudiofile
360  void openAFlib() {  void openAFlib() {
361      hAFlib = dlopen("libaudiofile.so", RTLD_NOW);      hAFlib = dlopen("libaudiofile.so", RTLD_NOW);
362      if (!hAFlib) {      if (!hAFlib) {
# Line 266  void openAFlib() { Line 378  void openAFlib() {
378  void closeAFlib() {  void closeAFlib() {
379      if (hAFlib) dlclose(hAFlib);      if (hAFlib) dlclose(hAFlib);
380  }  }
381    #endif // !HAVE_SNDFILE
382    
383    string Revision() {
384        string s = "$Revision: 1.9 $";
385        return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
386    }
387    
388    void PrintVersion() {
389        cout << "gigextract revision " << Revision() << endl;
390        cout << "using " << gig::libraryName() << " " << gig::libraryVersion();
391        #if HAVE_SNDFILE
392        char versionBuffer[128];
393        sf_command(NULL, SFC_GET_LIB_VERSION, versionBuffer, 128);
394        cout << ", " << versionBuffer;
395        #else // use libaudiofile
396        cout << "\nbuilt against libaudiofile "
397             << LIBAUDIOFILE_MAJOR_VERSION << "." << LIBAUDIOFILE_MINOR_VERSION;
398        # ifdef LIBAUDIOFILE_MICRO_VERSION
399        cout << "." << LIBAUDIOFILE_MICRO_VERSION;
400        # endif // LIBAUDIOFILE_MICRO_VERSION
401        #endif // HAVE_SNDFILE
402        cout << endl;
403    }
404    
405  void PrintUsage() {  void PrintUsage() {
406      cout << "gigextract - extracts samples from a Gigasampler file." << endl;      cout << "gigextract - extracts samples from a Gigasampler file." << endl;
407      cout << endl;      cout << endl;
408      cout << "Usage: gigextract GIGFILE DESTDIR [SAMPLENR] [ [SAMPLENR] ...]" << endl;      cout << "Usage: gigextract [-v] GIGFILE DESTDIR [SAMPLENR] [ [SAMPLENR] ...]" << endl;
409      cout << endl;      cout << endl;
410      cout << "   GIGFILE  Input Gigasampler (.gig) file." << endl;      cout << "   GIGFILE  Input Gigasampler (.gig) file." << endl;
411      cout << endl;      cout << endl;
# Line 280  void PrintUsage() { Line 415  void PrintUsage() {
415      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;
416      cout << "            (use gigdump to look for available samples)." << endl;      cout << "            (use gigdump to look for available samples)." << endl;
417      cout << endl;      cout << endl;
418        cout << "   -v       Print version and exit." << endl;
419        cout << endl;
420  }  }
421    
422  string ToString(int i) {  string ToString(int i) {
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