/[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 518 by schoenebeck, Sun May 8 16:19:34 2005 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   libgig - C++ cross-platform Gigasampler format file loader library    *   *   libgig - C++ cross-platform Gigasampler format file loader library    *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003 by Christian Schoenebeck                           *   *   Copyright (C) 2003-2005 by Christian Schoenebeck                      *
6   *                         <cuse@users.sourceforge.net>                    *   *                              <cuse@users.sourceforge.net>               *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
9   *   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 39 
39    
40  #include <iostream>  #include <iostream>
41  #include <cstdlib>  #include <cstdlib>
42    #include <string.h>
43    #include <string>
44  #include <stdlib.h>  #include <stdlib.h>
45  #include <sys/types.h>  #include <sys/types.h>
46  #include <sys/stat.h>  #include <sys/stat.h>
47  #include <dirent.h>  #include <dirent.h>
48  #include <errno.h>  #include <errno.h>
49  #include <dlfcn.h>  #include <dlfcn.h>
50  #include <audiofile.h>  
51    // only libsndfile is available for Windows, so we use that for writing the sound files
52    #ifdef WIN32
53    # define HAVE_SNDFILE 1
54    #endif // WIN32
55    
56    // we prefer libsndfile before libaudiofile
57    #if HAVE_SNDFILE
58    # include <sndfile.h>
59    #else
60    # include <audiofile.h>
61    #endif // HAVE_SNDFILE
62    
63  #include "gig.h"  #include "gig.h"
64    
65  using namespace std;  using namespace std;
# Line 53  using namespace std; Line 67  using namespace std;
67  typedef map<unsigned int, bool> OrderMap;  typedef map<unsigned int, bool> OrderMap;
68  OrderMap* pOrderedSamples = NULL;  OrderMap* pOrderedSamples = NULL;
69    
70    string Revision();
71    void PrintVersion();
72  void PrintUsage();  void PrintUsage();
73  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered);  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered);
74  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);
75    string ToString(int i);
76    
77    #ifndef HAVE_SNDFILE
78  void* hAFlib; // handle to libaudiofile  void* hAFlib; // handle to libaudiofile
79  void openAFlib(void);  void openAFlib(void);
80  void closeAFlib(void);  void closeAFlib(void);
# Line 69  void(*_afInitRate)(AFfilesetup,int,doubl Line 88  void(*_afInitRate)(AFfilesetup,int,doubl
88  int(*_afWriteFrames)(AFfilehandle,int,const void*,int);  int(*_afWriteFrames)(AFfilehandle,int,const void*,int);
89  AFfilehandle(*_afOpenFile)(const char*,const char*,AFfilesetup);  AFfilehandle(*_afOpenFile)(const char*,const char*,AFfilesetup);
90  int(*_afCloseFile)(AFfilehandle file);  int(*_afCloseFile)(AFfilehandle file);
91  string ToString(int i);  #endif // !HAVE_SNDFILE
92    
93  int main(int argc, char *argv[]) {  int main(int argc, char *argv[]) {
94         if (argc >= 2) {
95            if (argv[1][0] == '-') {
96                switch (argv[1][1]) {
97                    case 'v':
98                        PrintVersion();
99                        return EXIT_SUCCESS;
100                }
101            }
102        }
103      if (argc < 3) {      if (argc < 3) {
104          PrintUsage();          PrintUsage();
105          return EXIT_FAILURE;          return EXIT_FAILURE;
# Line 133  int main(int argc, char *argv[]) { Line 161  int main(int argc, char *argv[]) {
161  }  }
162    
163  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) {  void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) {
164    #ifndef HAVE_SNDFILE
165      hAFlib = NULL;      hAFlib = NULL;
166      openAFlib();      openAFlib();
167    #endif // !HAVE_SNDFILE
168      uint8_t* pWave  = NULL;      uint8_t* pWave  = NULL;
169      long BufferSize = 0;      long BufferSize = 0;
170      int samples     = 0;      int samples     = 0;
# Line 170  void ExtractSamples(gig::File* gig, char Line 200  void ExtractSamples(gig::File* gig, char
200    
201    
202  #if USE_DISK_STREAMING  #if USE_DISK_STREAMING
         if (pSample->Compressed) { // hack  
             pSample->BitDepth  = 16;  
             pSample->FrameSize = 4;  
         }  
   
203          long neededsize = (pSample->Compressed) ? 10485760 /* 10 MB buffer */          long neededsize = (pSample->Compressed) ? 10485760 /* 10 MB buffer */
204                                                  : pSample->SamplesTotal * pSample->FrameSize;                                                  : pSample->SamplesTotal * pSample->FrameSize;
205          if (BufferSize < neededsize) {          if (BufferSize < neededsize) {
# Line 189  void ExtractSamples(gig::File* gig, char Line 214  void ExtractSamples(gig::File* gig, char
214          uint8_t* pSamplePiece = pWave;          uint8_t* pSamplePiece = pWave;
215          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
216              readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize);              readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize);
217              pSamplePiece += readinthisrun * pSample->FrameSize;              // 24 bit is truncated to 16 by Sample::Read at the moment
218                pSamplePiece += readinthisrun * (2 * pSample->Channels); // readinthisrun * pSample->FrameSize;
219              readsamples  += readinthisrun;              readsamples  += readinthisrun;
220          } while (readinthisrun == samplepiecesize);          } while (readinthisrun == samplepiecesize);
221    
222          if (pSample->Compressed) { // hack          if (pSample->Compressed) { // hack
223              pSample->SamplesTotal = readsamples;              pSample->SamplesTotal = readsamples;
224                pSample->BitDepth = 16;
225          }          }
226  #  else // read in one piece  #  else // read in one piece
227          if (pSample->Compressed) {          if (pSample->Compressed) {
# Line 226  void ExtractSamples(gig::File* gig, char Line 253  void ExtractSamples(gig::File* gig, char
253          pSample = gig->GetNextSample();          pSample = gig->GetNextSample();
254      }      }
255      if (pWave) delete[] (uint8_t*) pWave;      if (pWave) delete[] (uint8_t*) pWave;
256    #ifndef HAVE_SNDFILE
257      closeAFlib();      closeAFlib();
258    #endif // !HAVE_SNDFILE
259  }  }
260    
261  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) {
262    #if HAVE_SNDFILE
263        SNDFILE* hfile;
264        SF_INFO  sfinfo;
265        int format = SF_FORMAT_WAV;
266        switch (bitdepth) {
267            case 8:
268                format |= SF_FORMAT_PCM_S8;
269                cout << "8 bit" << endl << flush;
270                break;
271            case 16:
272                format |= SF_FORMAT_PCM_16;
273                cout << "16 bit" << endl << flush;
274                break;
275            case 24:
276                format |= SF_FORMAT_PCM_24;
277                cout << "24 bit" << endl << flush;
278                break;
279            case 32:
280                format |= SF_FORMAT_PCM_32;
281                cout << "32 bit" << endl << flush;
282                break;
283            default:
284                cerr << "Error: Bithdepth " << ToString(bitdepth) << " not supported by libsndfile, ignoring sample!\n" << flush;
285                return -1;
286        }
287        memset(&sfinfo, 0, sizeof (sfinfo));
288        sfinfo.samplerate = rate;
289        sfinfo.frames     = samplecount;
290        sfinfo.channels   = channels;
291        sfinfo.format     = format;
292        if (!(hfile = sf_open(filename, SFM_WRITE, &sfinfo))) {
293            cerr << "Error: Unable to open output file \'" << filename << "\'.\n" << flush;
294            return -1;
295        }
296        if (sf_write_short(hfile, (short*)samples, channels * samplecount) != channels * samplecount) {
297            cerr << sf_strerror(hfile) << endl << flush;
298            sf_close(hfile);
299            return -1;
300        }
301        sf_close(hfile);
302    #else
303      AFfilesetup setup = _afNewFileSetup();      AFfilesetup setup = _afNewFileSetup();
304      _afInitFileFormat(setup, AF_FILE_WAVE);      _afInitFileFormat(setup, AF_FILE_WAVE);
305      _afInitChannels(setup, AF_DEFAULT_TRACK, channels);      _afInitChannels(setup, AF_DEFAULT_TRACK, channels);
# Line 241  int writeWav(const char* filename, void* Line 311  int writeWav(const char* filename, void*
311      if (_afWriteFrames(hFile, AF_DEFAULT_TRACK, samples, samplecount) < 0) return -1;      if (_afWriteFrames(hFile, AF_DEFAULT_TRACK, samples, samplecount) < 0) return -1;
312      _afCloseFile(hFile);      _afCloseFile(hFile);
313      _afFreeFileSetup(setup);      _afFreeFileSetup(setup);
314        #endif // HAVE_SNDFILE
315      return 0;  
316        return 0; // success
317  }  }
318    
319    #ifndef HAVE_SNDFILE
320  void openAFlib() {  void openAFlib() {
321      hAFlib = dlopen("libaudiofile.so", RTLD_NOW);      hAFlib = dlopen("libaudiofile.so", RTLD_NOW);
322      if (!hAFlib) {      if (!hAFlib) {
# Line 266  void openAFlib() { Line 338  void openAFlib() {
338  void closeAFlib() {  void closeAFlib() {
339      if (hAFlib) dlclose(hAFlib);      if (hAFlib) dlclose(hAFlib);
340  }  }
341    #endif // !HAVE_SNDFILE
342    
343    string Revision() {
344        string s = "$Revision: 1.5 $";
345        return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
346    }
347    
348    void PrintVersion() {
349        cout << "gigextract revision " << Revision() << endl;
350        cout << "using " << gig::libraryName() << " " << gig::libraryVersion() << endl;
351    }
352    
353  void PrintUsage() {  void PrintUsage() {
354      cout << "gigextract - extracts samples from a Gigasampler file." << endl;      cout << "gigextract - extracts samples from a Gigasampler file." << endl;
355      cout << endl;      cout << endl;
356      cout << "Usage: gigextract GIGFILE DESTDIR [SAMPLENR] [ [SAMPLENR] ...]" << endl;      cout << "Usage: gigextract [-v] GIGFILE DESTDIR [SAMPLENR] [ [SAMPLENR] ...]" << endl;
357      cout << endl;      cout << endl;
358      cout << "   GIGFILE  Input Gigasampler (.gig) file." << endl;      cout << "   GIGFILE  Input Gigasampler (.gig) file." << endl;
359      cout << endl;      cout << endl;
# Line 280  void PrintUsage() { Line 363  void PrintUsage() {
363      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;
364      cout << "            (use gigdump to look for available samples)." << endl;      cout << "            (use gigdump to look for available samples)." << endl;
365      cout << endl;      cout << endl;
366        cout << "   -v       Print version and exit." << endl;
367        cout << endl;
368  }  }
369    
370  string ToString(int i) {  string ToString(int i) {
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