172 |
openAFlib(); |
openAFlib(); |
173 |
#endif // !HAVE_SNDFILE |
#endif // !HAVE_SNDFILE |
174 |
uint8_t* pWave = NULL; |
uint8_t* pWave = NULL; |
175 |
|
int* pIntWave = NULL; |
176 |
long BufferSize = 0; |
long BufferSize = 0; |
177 |
int samples = 0; |
int samples = 0; |
178 |
|
gig::buffer_t decompressionBuffer; |
179 |
|
decompressionBuffer.Size = 0; |
180 |
|
unsigned long decompressionBufferSize = 0; |
181 |
cout << "Seeking for available samples..." << flush; |
cout << "Seeking for available samples..." << flush; |
182 |
gig::Sample* pSample = gig->GetFirstSample(); |
gig::Sample* pSample = gig->GetFirstSample(); |
183 |
cout << "OK" << endl << flush; |
cout << "OK" << endl << flush; |
210 |
|
|
211 |
|
|
212 |
#if USE_DISK_STREAMING |
#if USE_DISK_STREAMING |
213 |
long neededsize = (pSample->Compressed) ? 10485760 /* 10 MB buffer */ |
long neededsize = pSample->BitDepth == 24 ? |
214 |
: pSample->SamplesTotal * pSample->FrameSize; |
pSample->SamplesTotal * pSample->Channels * sizeof(int) : |
215 |
|
pSample->SamplesTotal * pSample->FrameSize; |
216 |
if (BufferSize < neededsize) { |
if (BufferSize < neededsize) { |
217 |
if (pWave) delete[] pWave; |
if (pWave) delete[] pWave; |
218 |
pWave = new uint8_t[neededsize]; |
pWave = new uint8_t[neededsize]; |
219 |
BufferSize = neededsize; |
BufferSize = neededsize; |
220 |
} |
} |
221 |
|
pIntWave = (int*)pWave; |
222 |
# if HASHED_READS_TEST |
# if HASHED_READS_TEST |
223 |
unsigned long readsamples = 0, |
unsigned long readinthisrun = 0, |
|
readinthisrun = 0, |
|
224 |
samplepiecesize = 2000; |
samplepiecesize = 2000; |
225 |
uint8_t* pSamplePiece = pWave; |
uint8_t* pSamplePiece = pWave; |
226 |
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 |
227 |
readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize); |
readinthisrun = pSample->Read(pSamplePiece, ++samplepiecesize); |
228 |
// 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; |
|
229 |
} while (readinthisrun == samplepiecesize); |
} while (readinthisrun == samplepiecesize); |
230 |
|
|
|
if (pSample->Compressed) { // hack |
|
|
pSample->SamplesTotal = readsamples; |
|
|
pSample->BitDepth = 16; |
|
|
} |
|
231 |
# else // read in one piece |
# else // read in one piece |
232 |
if (pSample->Compressed) { |
if (pSample->Compressed) { |
233 |
pSample->SamplesTotal = pSample->Read(pWave, 10485760 >> 2); // assumes 16 bit stereo |
if (decompressionBufferSize < pSample->SamplesTotal) { |
234 |
} |
gig::Sample::DestroyDecompressionBuffer(decompressionBuffer); |
235 |
else { |
decompressionBuffer = gig::Sample::CreateDecompressionBuffer(pSample->SamplesTotal); |
236 |
|
decompressionBufferSize = pSample->SamplesTotal; |
237 |
|
} |
238 |
|
pSample->Read(pWave, pSample->SamplesTotal, &decompressionBuffer); |
239 |
|
} else { |
240 |
pSample->Read(pWave, pSample->SamplesTotal); |
pSample->Read(pWave, pSample->SamplesTotal); |
241 |
} |
} |
242 |
# endif // HASHED_READS_TEST |
# endif // HASHED_READS_TEST |
243 |
#else // no disk streaming |
#else // no disk streaming |
244 |
if (pSample->Compressed) { |
if (pSample->Compressed) { |
245 |
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; |
246 |
|
} else { |
247 |
|
gig::buffer_t buffer = pSample->LoadSampleData(); // load wave into RAM |
248 |
|
pWave = static_cast<uint8_t*>(buffer.pStart); |
249 |
|
if (pSample->BitDepth == 24) { |
250 |
|
long neededsize = pSample->SamplesTotal * pSample->Channels; |
251 |
|
if (BufferSize < neededsize) { |
252 |
|
if (pIntWave) delete[] pIntWave; |
253 |
|
pIntWave = new int[neededsize]; |
254 |
|
BufferSize = neededsize; |
255 |
|
} |
256 |
|
} |
257 |
} |
} |
|
else pWave = (uint8_t*) pSample->LoadSampleData(); // load wave into RAM |
|
258 |
#endif // USE_DISK_STREAMING |
#endif // USE_DISK_STREAMING |
259 |
if (pWave) { |
if (pWave) { |
260 |
|
|
261 |
|
// Both libsndfile and libaudiofile uses int for 24 bit |
262 |
|
// samples. libgig however returns 3 bytes per sample, so |
263 |
|
// we have to convert the wave data before writing. |
264 |
|
if (pSample->BitDepth == 24) { |
265 |
|
int n = pSample->SamplesTotal * pSample->Channels; |
266 |
|
for (int i = n - 1 ; i >= 0 ; i--) { |
267 |
|
#if HAVE_SNDFILE |
268 |
|
pIntWave[i] = pWave[i * 3] << 8 | pWave[i * 3 + 1] << 16 | pWave[i * 3 + 2] << 24; |
269 |
|
#else |
270 |
|
pIntWave[i] = pWave[i * 3] | pWave[i * 3 + 1] << 8 | pWave[i * 3 + 2] << 16; |
271 |
|
#endif |
272 |
|
} |
273 |
|
} |
274 |
|
|
275 |
int res = writeWav(filename.c_str(), |
int res = writeWav(filename.c_str(), |
276 |
pWave, |
pSample->BitDepth == 24 ? static_cast<void*>(pIntWave) : pWave, |
277 |
pSample->SamplesTotal, |
pSample->SamplesTotal, |
278 |
pSample->Channels, |
pSample->Channels, |
279 |
pSample->BitDepth, |
pSample->BitDepth, |
286 |
|
|
287 |
pSample = gig->GetNextSample(); |
pSample = gig->GetNextSample(); |
288 |
} |
} |
289 |
if (pWave) delete[] (uint8_t*) pWave; |
gig::Sample::DestroyDecompressionBuffer(decompressionBuffer); |
290 |
|
#if USE_DISK_STREAMING |
291 |
|
if (pWave) delete[] pWave; |
292 |
|
#else |
293 |
|
if (pIntWave) delete[] pIntWave; |
294 |
|
#endif |
295 |
#if !HAVE_SNDFILE // use libaudiofile |
#if !HAVE_SNDFILE // use libaudiofile |
296 |
closeAFlib(); |
closeAFlib(); |
297 |
#endif // !HAVE_SNDFILE |
#endif // !HAVE_SNDFILE |
305 |
switch (bitdepth) { |
switch (bitdepth) { |
306 |
case 8: |
case 8: |
307 |
format |= SF_FORMAT_PCM_S8; |
format |= SF_FORMAT_PCM_S8; |
|
cout << "8 bit" << endl << flush; |
|
308 |
break; |
break; |
309 |
case 16: |
case 16: |
310 |
format |= SF_FORMAT_PCM_16; |
format |= SF_FORMAT_PCM_16; |
|
cout << "16 bit" << endl << flush; |
|
311 |
break; |
break; |
312 |
case 24: |
case 24: |
313 |
format |= SF_FORMAT_PCM_24; |
format |= SF_FORMAT_PCM_24; |
|
cout << "24 bit" << endl << flush; |
|
314 |
break; |
break; |
315 |
case 32: |
case 32: |
316 |
format |= SF_FORMAT_PCM_32; |
format |= SF_FORMAT_PCM_32; |
|
cout << "32 bit" << endl << flush; |
|
317 |
break; |
break; |
318 |
default: |
default: |
319 |
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; |
328 |
cerr << "Error: Unable to open output file \'" << filename << "\'.\n" << flush; |
cerr << "Error: Unable to open output file \'" << filename << "\'.\n" << flush; |
329 |
return -1; |
return -1; |
330 |
} |
} |
331 |
if (sf_write_short(hfile, (short*)samples, channels * samplecount) != channels * samplecount) { |
sf_count_t res = bitdepth == 24 ? |
332 |
|
sf_write_int(hfile, static_cast<int*>(samples), channels * samplecount) : |
333 |
|
sf_write_short(hfile, static_cast<short*>(samples), channels * samplecount); |
334 |
|
if (res != channels * samplecount) { |
335 |
cerr << sf_strerror(hfile) << endl << flush; |
cerr << sf_strerror(hfile) << endl << flush; |
336 |
sf_close(hfile); |
sf_close(hfile); |
337 |
return -1; |
return -1; |
379 |
#endif // !HAVE_SNDFILE |
#endif // !HAVE_SNDFILE |
380 |
|
|
381 |
string Revision() { |
string Revision() { |
382 |
string s = "$Revision: 1.7 $"; |
string s = "$Revision: 1.8 $"; |
383 |
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 |
384 |
} |
} |
385 |
|
|