2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file access library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2009 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. * |
* This program is part of libgig. * |
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 |
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; |
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 |
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, |
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: |
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; |
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); |